2 * Copyright 2015 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
26 /* The caprices of the preprocessor require that this be declared right here */
27 #define CREATE_TRACE_POINTS
29 #include "dm_services_types.h"
31 #include "dc/inc/core_types.h"
35 #include "amdgpu_display.h"
36 #include "amdgpu_ucode.h"
38 #include "amdgpu_dm.h"
39 #include "amdgpu_pm.h"
41 #include "amd_shared.h"
42 #include "amdgpu_dm_irq.h"
43 #include "dm_helpers.h"
44 #include "amdgpu_dm_mst_types.h"
45 #if defined(CONFIG_DEBUG_FS)
46 #include "amdgpu_dm_debugfs.h"
49 #include "ivsrcid/ivsrcid_vislands30.h"
51 #include <linux/module.h>
52 #include <linux/moduleparam.h>
53 #include <linux/version.h>
54 #include <linux/types.h>
55 #include <linux/pm_runtime.h>
56 #include <linux/firmware.h>
59 #include <drm/drm_atomic.h>
60 #include <drm/drm_atomic_uapi.h>
61 #include <drm/drm_atomic_helper.h>
62 #include <drm/drm_dp_mst_helper.h>
63 #include <drm/drm_fb_helper.h>
64 #include <drm/drm_edid.h>
66 #if defined(CONFIG_DRM_AMD_DC_DCN1_0)
67 #include "ivsrcid/irqsrcs_dcn_1_0.h"
69 #include "dcn/dcn_1_0_offset.h"
70 #include "dcn/dcn_1_0_sh_mask.h"
71 #include "soc15_hw_ip.h"
72 #include "vega10_ip_offset.h"
74 #include "soc15_common.h"
77 #include "modules/inc/mod_freesync.h"
78 #include "modules/power/power_helpers.h"
79 #include "modules/inc/mod_info_packet.h"
81 #define FIRMWARE_RAVEN_DMCU "amdgpu/raven_dmcu.bin"
82 MODULE_FIRMWARE(FIRMWARE_RAVEN_DMCU);
87 * The AMDgpu display manager, **amdgpu_dm** (or even simpler,
88 * **dm**) sits between DRM and DC. It acts as a liason, converting DRM
89 * requests into DC requests, and DC responses into DRM responses.
91 * The root control structure is &struct amdgpu_display_manager.
94 /* basic init/fini API */
95 static int amdgpu_dm_init(struct amdgpu_device *adev);
96 static void amdgpu_dm_fini(struct amdgpu_device *adev);
99 * initializes drm_device display related structures, based on the information
100 * provided by DAL. The drm strcutures are: drm_crtc, drm_connector,
101 * drm_encoder, drm_mode_config
103 * Returns 0 on success
105 static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev);
106 /* removes and deallocates the drm structures, created by the above function */
107 static void amdgpu_dm_destroy_drm_device(struct amdgpu_display_manager *dm);
110 amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector);
112 static int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm,
113 struct drm_plane *plane,
114 unsigned long possible_crtcs);
115 static int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm,
116 struct drm_plane *plane,
117 uint32_t link_index);
118 static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm,
119 struct amdgpu_dm_connector *amdgpu_dm_connector,
121 struct amdgpu_encoder *amdgpu_encoder);
122 static int amdgpu_dm_encoder_init(struct drm_device *dev,
123 struct amdgpu_encoder *aencoder,
124 uint32_t link_index);
126 static int amdgpu_dm_connector_get_modes(struct drm_connector *connector);
128 static int amdgpu_dm_atomic_commit(struct drm_device *dev,
129 struct drm_atomic_state *state,
132 static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state);
134 static int amdgpu_dm_atomic_check(struct drm_device *dev,
135 struct drm_atomic_state *state);
137 static void handle_cursor_update(struct drm_plane *plane,
138 struct drm_plane_state *old_plane_state);
142 static const enum drm_plane_type dm_plane_type_default[AMDGPU_MAX_PLANES] = {
143 DRM_PLANE_TYPE_PRIMARY,
144 DRM_PLANE_TYPE_PRIMARY,
145 DRM_PLANE_TYPE_PRIMARY,
146 DRM_PLANE_TYPE_PRIMARY,
147 DRM_PLANE_TYPE_PRIMARY,
148 DRM_PLANE_TYPE_PRIMARY,
151 static const enum drm_plane_type dm_plane_type_carizzo[AMDGPU_MAX_PLANES] = {
152 DRM_PLANE_TYPE_PRIMARY,
153 DRM_PLANE_TYPE_PRIMARY,
154 DRM_PLANE_TYPE_PRIMARY,
155 DRM_PLANE_TYPE_OVERLAY,/* YUV Capable Underlay */
158 static const enum drm_plane_type dm_plane_type_stoney[AMDGPU_MAX_PLANES] = {
159 DRM_PLANE_TYPE_PRIMARY,
160 DRM_PLANE_TYPE_PRIMARY,
161 DRM_PLANE_TYPE_OVERLAY, /* YUV Capable Underlay */
165 * dm_vblank_get_counter
168 * Get counter for number of vertical blanks
171 * struct amdgpu_device *adev - [in] desired amdgpu device
172 * int disp_idx - [in] which CRTC to get the counter from
175 * Counter for vertical blanks
177 static u32 dm_vblank_get_counter(struct amdgpu_device *adev, int crtc)
179 if (crtc >= adev->mode_info.num_crtc)
182 struct amdgpu_crtc *acrtc = adev->mode_info.crtcs[crtc];
183 struct dm_crtc_state *acrtc_state = to_dm_crtc_state(
187 if (acrtc_state->stream == NULL) {
188 DRM_ERROR("dc_stream_state is NULL for crtc '%d'!\n",
193 return dc_stream_get_vblank_counter(acrtc_state->stream);
197 static int dm_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
198 u32 *vbl, u32 *position)
200 uint32_t v_blank_start, v_blank_end, h_position, v_position;
202 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
205 struct amdgpu_crtc *acrtc = adev->mode_info.crtcs[crtc];
206 struct dm_crtc_state *acrtc_state = to_dm_crtc_state(
209 if (acrtc_state->stream == NULL) {
210 DRM_ERROR("dc_stream_state is NULL for crtc '%d'!\n",
216 * TODO rework base driver to use values directly.
217 * for now parse it back into reg-format
219 dc_stream_get_scanoutpos(acrtc_state->stream,
225 *position = v_position | (h_position << 16);
226 *vbl = v_blank_start | (v_blank_end << 16);
232 static bool dm_is_idle(void *handle)
238 static int dm_wait_for_idle(void *handle)
244 static bool dm_check_soft_reset(void *handle)
249 static int dm_soft_reset(void *handle)
255 static struct amdgpu_crtc *
256 get_crtc_by_otg_inst(struct amdgpu_device *adev,
259 struct drm_device *dev = adev->ddev;
260 struct drm_crtc *crtc;
261 struct amdgpu_crtc *amdgpu_crtc;
263 if (otg_inst == -1) {
265 return adev->mode_info.crtcs[0];
268 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
269 amdgpu_crtc = to_amdgpu_crtc(crtc);
271 if (amdgpu_crtc->otg_inst == otg_inst)
278 static void dm_pflip_high_irq(void *interrupt_params)
280 struct amdgpu_crtc *amdgpu_crtc;
281 struct common_irq_params *irq_params = interrupt_params;
282 struct amdgpu_device *adev = irq_params->adev;
285 amdgpu_crtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_PFLIP);
287 /* IRQ could occur when in initial stage */
288 /* TODO work and BO cleanup */
289 if (amdgpu_crtc == NULL) {
290 DRM_DEBUG_DRIVER("CRTC is null, returning.\n");
294 spin_lock_irqsave(&adev->ddev->event_lock, flags);
296 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
297 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d !=AMDGPU_FLIP_SUBMITTED(%d) on crtc:%d[%p] \n",
298 amdgpu_crtc->pflip_status,
299 AMDGPU_FLIP_SUBMITTED,
300 amdgpu_crtc->crtc_id,
302 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
307 /* wake up userspace */
308 if (amdgpu_crtc->event) {
309 /* Update to correct count(s) if racing with vblank irq */
310 drm_crtc_accurate_vblank_count(&amdgpu_crtc->base);
312 drm_crtc_send_vblank_event(&amdgpu_crtc->base, amdgpu_crtc->event);
314 /* page flip completed. clean up */
315 amdgpu_crtc->event = NULL;
320 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
321 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
323 DRM_DEBUG_DRIVER("%s - crtc :%d[%p], pflip_stat:AMDGPU_FLIP_NONE\n",
324 __func__, amdgpu_crtc->crtc_id, amdgpu_crtc);
326 drm_crtc_vblank_put(&amdgpu_crtc->base);
329 static void dm_crtc_high_irq(void *interrupt_params)
331 struct common_irq_params *irq_params = interrupt_params;
332 struct amdgpu_device *adev = irq_params->adev;
333 struct amdgpu_crtc *acrtc;
334 struct dm_crtc_state *acrtc_state;
336 acrtc = get_crtc_by_otg_inst(adev, irq_params->irq_src - IRQ_TYPE_VBLANK);
339 drm_crtc_handle_vblank(&acrtc->base);
340 amdgpu_dm_crtc_handle_crc_irq(&acrtc->base);
342 acrtc_state = to_dm_crtc_state(acrtc->base.state);
344 if (acrtc_state->stream &&
345 acrtc_state->vrr_params.supported &&
346 acrtc_state->freesync_config.state == VRR_STATE_ACTIVE_VARIABLE) {
347 mod_freesync_handle_v_update(
348 adev->dm.freesync_module,
350 &acrtc_state->vrr_params);
352 dc_stream_adjust_vmin_vmax(
355 &acrtc_state->vrr_params.adjust);
360 static int dm_set_clockgating_state(void *handle,
361 enum amd_clockgating_state state)
366 static int dm_set_powergating_state(void *handle,
367 enum amd_powergating_state state)
372 /* Prototypes of private functions */
373 static int dm_early_init(void* handle);
375 /* Allocate memory for FBC compressed data */
376 static void amdgpu_dm_fbc_init(struct drm_connector *connector)
378 struct drm_device *dev = connector->dev;
379 struct amdgpu_device *adev = dev->dev_private;
380 struct dm_comressor_info *compressor = &adev->dm.compressor;
381 struct amdgpu_dm_connector *aconn = to_amdgpu_dm_connector(connector);
382 struct drm_display_mode *mode;
383 unsigned long max_size = 0;
385 if (adev->dm.dc->fbc_compressor == NULL)
388 if (aconn->dc_link->connector_signal != SIGNAL_TYPE_EDP)
391 if (compressor->bo_ptr)
395 list_for_each_entry(mode, &connector->modes, head) {
396 if (max_size < mode->htotal * mode->vtotal)
397 max_size = mode->htotal * mode->vtotal;
401 int r = amdgpu_bo_create_kernel(adev, max_size * 4, PAGE_SIZE,
402 AMDGPU_GEM_DOMAIN_GTT, &compressor->bo_ptr,
403 &compressor->gpu_addr, &compressor->cpu_addr);
406 DRM_ERROR("DM: Failed to initialize FBC\n");
408 adev->dm.dc->ctx->fbc_gpu_addr = compressor->gpu_addr;
409 DRM_INFO("DM: FBC alloc %lu\n", max_size*4);
416 static int amdgpu_dm_init(struct amdgpu_device *adev)
418 struct dc_init_data init_data;
419 adev->dm.ddev = adev->ddev;
420 adev->dm.adev = adev;
422 /* Zero all the fields */
423 memset(&init_data, 0, sizeof(init_data));
425 mutex_init(&adev->dm.dc_lock);
427 if(amdgpu_dm_irq_init(adev)) {
428 DRM_ERROR("amdgpu: failed to initialize DM IRQ support.\n");
432 init_data.asic_id.chip_family = adev->family;
434 init_data.asic_id.pci_revision_id = adev->rev_id;
435 init_data.asic_id.hw_internal_rev = adev->external_rev_id;
437 init_data.asic_id.vram_width = adev->gmc.vram_width;
438 /* TODO: initialize init_data.asic_id.vram_type here!!!! */
439 init_data.asic_id.atombios_base_address =
440 adev->mode_info.atom_context->bios;
442 init_data.driver = adev;
444 adev->dm.cgs_device = amdgpu_cgs_create_device(adev);
446 if (!adev->dm.cgs_device) {
447 DRM_ERROR("amdgpu: failed to create cgs device.\n");
451 init_data.cgs_device = adev->dm.cgs_device;
453 init_data.dce_environment = DCE_ENV_PRODUCTION_DRV;
456 * TODO debug why this doesn't work on Raven
458 if (adev->flags & AMD_IS_APU &&
459 adev->asic_type >= CHIP_CARRIZO &&
460 adev->asic_type < CHIP_RAVEN)
461 init_data.flags.gpu_vm_support = true;
463 if (amdgpu_dc_feature_mask & DC_FBC_MASK)
464 init_data.flags.fbc_support = true;
466 /* Display Core create. */
467 adev->dm.dc = dc_create(&init_data);
470 DRM_INFO("Display Core initialized with v%s!\n", DC_VER);
472 DRM_INFO("Display Core failed to initialize with v%s!\n", DC_VER);
476 adev->dm.freesync_module = mod_freesync_create(adev->dm.dc);
477 if (!adev->dm.freesync_module) {
479 "amdgpu: failed to initialize freesync_module.\n");
481 DRM_DEBUG_DRIVER("amdgpu: freesync_module init done %p.\n",
482 adev->dm.freesync_module);
484 amdgpu_dm_init_color_mod();
486 if (amdgpu_dm_initialize_drm_device(adev)) {
488 "amdgpu: failed to initialize sw for display support.\n");
492 /* Update the actual used number of crtc */
493 adev->mode_info.num_crtc = adev->dm.display_indexes_num;
495 /* TODO: Add_display_info? */
497 /* TODO use dynamic cursor width */
498 adev->ddev->mode_config.cursor_width = adev->dm.dc->caps.max_cursor_size;
499 adev->ddev->mode_config.cursor_height = adev->dm.dc->caps.max_cursor_size;
501 if (drm_vblank_init(adev->ddev, adev->dm.display_indexes_num)) {
503 "amdgpu: failed to initialize sw for display support.\n");
507 #if defined(CONFIG_DEBUG_FS)
508 if (dtn_debugfs_init(adev))
509 DRM_ERROR("amdgpu: failed initialize dtn debugfs support.\n");
512 DRM_DEBUG_DRIVER("KMS initialized.\n");
516 amdgpu_dm_fini(adev);
521 static void amdgpu_dm_fini(struct amdgpu_device *adev)
523 amdgpu_dm_destroy_drm_device(&adev->dm);
525 * TODO: pageflip, vlank interrupt
527 * amdgpu_dm_irq_fini(adev);
530 if (adev->dm.cgs_device) {
531 amdgpu_cgs_destroy_device(adev->dm.cgs_device);
532 adev->dm.cgs_device = NULL;
534 if (adev->dm.freesync_module) {
535 mod_freesync_destroy(adev->dm.freesync_module);
536 adev->dm.freesync_module = NULL;
538 /* DC Destroy TODO: Replace destroy DAL */
540 dc_destroy(&adev->dm.dc);
542 mutex_destroy(&adev->dm.dc_lock);
547 static int load_dmcu_fw(struct amdgpu_device *adev)
549 const char *fw_name_dmcu;
551 const struct dmcu_firmware_header_v1_0 *hdr;
553 switch(adev->asic_type) {
572 fw_name_dmcu = FIRMWARE_RAVEN_DMCU;
575 DRM_ERROR("Unsupported ASIC type: 0x%X\n", adev->asic_type);
579 if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP) {
580 DRM_DEBUG_KMS("dm: DMCU firmware not supported on direct or SMU loading\n");
584 r = request_firmware_direct(&adev->dm.fw_dmcu, fw_name_dmcu, adev->dev);
586 /* DMCU firmware is not necessary, so don't raise a fuss if it's missing */
587 DRM_DEBUG_KMS("dm: DMCU firmware not found\n");
588 adev->dm.fw_dmcu = NULL;
592 dev_err(adev->dev, "amdgpu_dm: Can't load firmware \"%s\"\n",
597 r = amdgpu_ucode_validate(adev->dm.fw_dmcu);
599 dev_err(adev->dev, "amdgpu_dm: Can't validate firmware \"%s\"\n",
601 release_firmware(adev->dm.fw_dmcu);
602 adev->dm.fw_dmcu = NULL;
606 hdr = (const struct dmcu_firmware_header_v1_0 *)adev->dm.fw_dmcu->data;
607 adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_ERAM].ucode_id = AMDGPU_UCODE_ID_DMCU_ERAM;
608 adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_ERAM].fw = adev->dm.fw_dmcu;
609 adev->firmware.fw_size +=
610 ALIGN(le32_to_cpu(hdr->header.ucode_size_bytes) - le32_to_cpu(hdr->intv_size_bytes), PAGE_SIZE);
612 adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_INTV].ucode_id = AMDGPU_UCODE_ID_DMCU_INTV;
613 adev->firmware.ucode[AMDGPU_UCODE_ID_DMCU_INTV].fw = adev->dm.fw_dmcu;
614 adev->firmware.fw_size +=
615 ALIGN(le32_to_cpu(hdr->intv_size_bytes), PAGE_SIZE);
617 adev->dm.dmcu_fw_version = le32_to_cpu(hdr->header.ucode_version);
619 DRM_DEBUG_KMS("PSP loading DMCU firmware\n");
624 static int dm_sw_init(void *handle)
626 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
628 return load_dmcu_fw(adev);
631 static int dm_sw_fini(void *handle)
633 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
635 if(adev->dm.fw_dmcu) {
636 release_firmware(adev->dm.fw_dmcu);
637 adev->dm.fw_dmcu = NULL;
643 static int detect_mst_link_for_all_connectors(struct drm_device *dev)
645 struct amdgpu_dm_connector *aconnector;
646 struct drm_connector *connector;
649 drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
651 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
652 aconnector = to_amdgpu_dm_connector(connector);
653 if (aconnector->dc_link->type == dc_connection_mst_branch &&
654 aconnector->mst_mgr.aux) {
655 DRM_DEBUG_DRIVER("DM_MST: starting TM on aconnector: %p [id: %d]\n",
656 aconnector, aconnector->base.base.id);
658 ret = drm_dp_mst_topology_mgr_set_mst(&aconnector->mst_mgr, true);
660 DRM_ERROR("DM_MST: Failed to start MST\n");
661 ((struct dc_link *)aconnector->dc_link)->type = dc_connection_single;
667 drm_modeset_unlock(&dev->mode_config.connection_mutex);
671 static int dm_late_init(void *handle)
673 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
675 struct dmcu_iram_parameters params;
676 unsigned int linear_lut[16];
678 struct dmcu *dmcu = adev->dm.dc->res_pool->dmcu;
681 for (i = 0; i < 16; i++)
682 linear_lut[i] = 0xFFFF * i / 15;
685 params.backlight_ramping_start = 0xCCCC;
686 params.backlight_ramping_reduction = 0xCCCCCCCC;
687 params.backlight_lut_array_size = 16;
688 params.backlight_lut_array = linear_lut;
690 ret = dmcu_load_iram(dmcu, params);
695 return detect_mst_link_for_all_connectors(adev->ddev);
698 static void s3_handle_mst(struct drm_device *dev, bool suspend)
700 struct amdgpu_dm_connector *aconnector;
701 struct drm_connector *connector;
702 struct drm_dp_mst_topology_mgr *mgr;
704 bool need_hotplug = false;
706 drm_modeset_lock(&dev->mode_config.connection_mutex, NULL);
708 list_for_each_entry(connector, &dev->mode_config.connector_list,
710 aconnector = to_amdgpu_dm_connector(connector);
711 if (aconnector->dc_link->type != dc_connection_mst_branch ||
712 aconnector->mst_port)
715 mgr = &aconnector->mst_mgr;
718 drm_dp_mst_topology_mgr_suspend(mgr);
720 ret = drm_dp_mst_topology_mgr_resume(mgr);
722 drm_dp_mst_topology_mgr_set_mst(mgr, false);
728 drm_modeset_unlock(&dev->mode_config.connection_mutex);
731 drm_kms_helper_hotplug_event(dev);
735 * dm_hw_init() - Initialize DC device
736 * @handle: The base driver device containing the amdpgu_dm device.
738 * Initialize the &struct amdgpu_display_manager device. This involves calling
739 * the initializers of each DM component, then populating the struct with them.
741 * Although the function implies hardware initialization, both hardware and
742 * software are initialized here. Splitting them out to their relevant init
743 * hooks is a future TODO item.
745 * Some notable things that are initialized here:
747 * - Display Core, both software and hardware
748 * - DC modules that we need (freesync and color management)
749 * - DRM software states
750 * - Interrupt sources and handlers
752 * - Debug FS entries, if enabled
754 static int dm_hw_init(void *handle)
756 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
757 /* Create DAL display manager */
758 amdgpu_dm_init(adev);
759 amdgpu_dm_hpd_init(adev);
765 * dm_hw_fini() - Teardown DC device
766 * @handle: The base driver device containing the amdpgu_dm device.
768 * Teardown components within &struct amdgpu_display_manager that require
769 * cleanup. This involves cleaning up the DRM device, DC, and any modules that
770 * were loaded. Also flush IRQ workqueues and disable them.
772 static int dm_hw_fini(void *handle)
774 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
776 amdgpu_dm_hpd_fini(adev);
778 amdgpu_dm_irq_fini(adev);
779 amdgpu_dm_fini(adev);
783 static int dm_suspend(void *handle)
785 struct amdgpu_device *adev = handle;
786 struct amdgpu_display_manager *dm = &adev->dm;
789 WARN_ON(adev->dm.cached_state);
790 adev->dm.cached_state = drm_atomic_helper_suspend(adev->ddev);
792 s3_handle_mst(adev->ddev, true);
794 amdgpu_dm_irq_suspend(adev);
797 dc_set_power_state(dm->dc, DC_ACPI_CM_POWER_STATE_D3);
802 static struct amdgpu_dm_connector *
803 amdgpu_dm_find_first_crtc_matching_connector(struct drm_atomic_state *state,
804 struct drm_crtc *crtc)
807 struct drm_connector_state *new_con_state;
808 struct drm_connector *connector;
809 struct drm_crtc *crtc_from_state;
811 for_each_new_connector_in_state(state, connector, new_con_state, i) {
812 crtc_from_state = new_con_state->crtc;
814 if (crtc_from_state == crtc)
815 return to_amdgpu_dm_connector(connector);
821 static void emulated_link_detect(struct dc_link *link)
823 struct dc_sink_init_data sink_init_data = { 0 };
824 struct display_sink_capability sink_caps = { 0 };
825 enum dc_edid_status edid_status;
826 struct dc_context *dc_ctx = link->ctx;
827 struct dc_sink *sink = NULL;
828 struct dc_sink *prev_sink = NULL;
830 link->type = dc_connection_none;
831 prev_sink = link->local_sink;
833 if (prev_sink != NULL)
834 dc_sink_retain(prev_sink);
836 switch (link->connector_signal) {
837 case SIGNAL_TYPE_HDMI_TYPE_A: {
838 sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C;
839 sink_caps.signal = SIGNAL_TYPE_HDMI_TYPE_A;
843 case SIGNAL_TYPE_DVI_SINGLE_LINK: {
844 sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C;
845 sink_caps.signal = SIGNAL_TYPE_DVI_SINGLE_LINK;
849 case SIGNAL_TYPE_DVI_DUAL_LINK: {
850 sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C;
851 sink_caps.signal = SIGNAL_TYPE_DVI_DUAL_LINK;
855 case SIGNAL_TYPE_LVDS: {
856 sink_caps.transaction_type = DDC_TRANSACTION_TYPE_I2C;
857 sink_caps.signal = SIGNAL_TYPE_LVDS;
861 case SIGNAL_TYPE_EDP: {
862 sink_caps.transaction_type =
863 DDC_TRANSACTION_TYPE_I2C_OVER_AUX;
864 sink_caps.signal = SIGNAL_TYPE_EDP;
868 case SIGNAL_TYPE_DISPLAY_PORT: {
869 sink_caps.transaction_type =
870 DDC_TRANSACTION_TYPE_I2C_OVER_AUX;
871 sink_caps.signal = SIGNAL_TYPE_VIRTUAL;
876 DC_ERROR("Invalid connector type! signal:%d\n",
877 link->connector_signal);
881 sink_init_data.link = link;
882 sink_init_data.sink_signal = sink_caps.signal;
884 sink = dc_sink_create(&sink_init_data);
886 DC_ERROR("Failed to create sink!\n");
890 link->local_sink = sink;
892 edid_status = dm_helpers_read_local_edid(
897 if (edid_status != EDID_OK)
898 DC_ERROR("Failed to read EDID");
902 static int dm_resume(void *handle)
904 struct amdgpu_device *adev = handle;
905 struct drm_device *ddev = adev->ddev;
906 struct amdgpu_display_manager *dm = &adev->dm;
907 struct amdgpu_dm_connector *aconnector;
908 struct drm_connector *connector;
909 struct drm_crtc *crtc;
910 struct drm_crtc_state *new_crtc_state;
911 struct dm_crtc_state *dm_new_crtc_state;
912 struct drm_plane *plane;
913 struct drm_plane_state *new_plane_state;
914 struct dm_plane_state *dm_new_plane_state;
915 enum dc_connection_type new_connection_type = dc_connection_none;
918 /* power on hardware */
919 dc_set_power_state(dm->dc, DC_ACPI_CM_POWER_STATE_D0);
921 /* program HPD filter */
924 /* On resume we need to rewrite the MSTM control bits to enamble MST*/
925 s3_handle_mst(ddev, false);
928 * early enable HPD Rx IRQ, should be done before set mode as short
929 * pulse interrupts are used for MST
931 amdgpu_dm_irq_resume_early(adev);
934 list_for_each_entry(connector, &ddev->mode_config.connector_list, head) {
935 aconnector = to_amdgpu_dm_connector(connector);
938 * this is the case when traversing through already created
939 * MST connectors, should be skipped
941 if (aconnector->mst_port)
944 mutex_lock(&aconnector->hpd_lock);
945 if (!dc_link_detect_sink(aconnector->dc_link, &new_connection_type))
946 DRM_ERROR("KMS: Failed to detect connector\n");
948 if (aconnector->base.force && new_connection_type == dc_connection_none)
949 emulated_link_detect(aconnector->dc_link);
951 dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD);
953 if (aconnector->fake_enable && aconnector->dc_link->local_sink)
954 aconnector->fake_enable = false;
956 aconnector->dc_sink = NULL;
957 amdgpu_dm_update_connector_after_detect(aconnector);
958 mutex_unlock(&aconnector->hpd_lock);
961 /* Force mode set in atomic commit */
962 for_each_new_crtc_in_state(dm->cached_state, crtc, new_crtc_state, i)
963 new_crtc_state->active_changed = true;
966 * atomic_check is expected to create the dc states. We need to release
967 * them here, since they were duplicated as part of the suspend
970 for_each_new_crtc_in_state(dm->cached_state, crtc, new_crtc_state, i) {
971 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
972 if (dm_new_crtc_state->stream) {
973 WARN_ON(kref_read(&dm_new_crtc_state->stream->refcount) > 1);
974 dc_stream_release(dm_new_crtc_state->stream);
975 dm_new_crtc_state->stream = NULL;
979 for_each_new_plane_in_state(dm->cached_state, plane, new_plane_state, i) {
980 dm_new_plane_state = to_dm_plane_state(new_plane_state);
981 if (dm_new_plane_state->dc_state) {
982 WARN_ON(kref_read(&dm_new_plane_state->dc_state->refcount) > 1);
983 dc_plane_state_release(dm_new_plane_state->dc_state);
984 dm_new_plane_state->dc_state = NULL;
988 drm_atomic_helper_resume(ddev, dm->cached_state);
990 dm->cached_state = NULL;
992 amdgpu_dm_irq_resume_late(adev);
1000 * DM (and consequently DC) is registered in the amdgpu base driver as a IP
1001 * block. When CONFIG_DRM_AMD_DC is enabled, the DM device IP block is added to
1002 * the base driver's device list to be initialized and torn down accordingly.
1004 * The functions to do so are provided as hooks in &struct amd_ip_funcs.
1007 static const struct amd_ip_funcs amdgpu_dm_funcs = {
1009 .early_init = dm_early_init,
1010 .late_init = dm_late_init,
1011 .sw_init = dm_sw_init,
1012 .sw_fini = dm_sw_fini,
1013 .hw_init = dm_hw_init,
1014 .hw_fini = dm_hw_fini,
1015 .suspend = dm_suspend,
1016 .resume = dm_resume,
1017 .is_idle = dm_is_idle,
1018 .wait_for_idle = dm_wait_for_idle,
1019 .check_soft_reset = dm_check_soft_reset,
1020 .soft_reset = dm_soft_reset,
1021 .set_clockgating_state = dm_set_clockgating_state,
1022 .set_powergating_state = dm_set_powergating_state,
1025 const struct amdgpu_ip_block_version dm_ip_block =
1027 .type = AMD_IP_BLOCK_TYPE_DCE,
1031 .funcs = &amdgpu_dm_funcs,
1041 static const struct drm_mode_config_funcs amdgpu_dm_mode_funcs = {
1042 .fb_create = amdgpu_display_user_framebuffer_create,
1043 .output_poll_changed = drm_fb_helper_output_poll_changed,
1044 .atomic_check = amdgpu_dm_atomic_check,
1045 .atomic_commit = amdgpu_dm_atomic_commit,
1048 static struct drm_mode_config_helper_funcs amdgpu_dm_mode_config_helperfuncs = {
1049 .atomic_commit_tail = amdgpu_dm_atomic_commit_tail
1053 amdgpu_dm_update_connector_after_detect(struct amdgpu_dm_connector *aconnector)
1055 struct drm_connector *connector = &aconnector->base;
1056 struct drm_device *dev = connector->dev;
1057 struct dc_sink *sink;
1059 /* MST handled by drm_mst framework */
1060 if (aconnector->mst_mgr.mst_state == true)
1064 sink = aconnector->dc_link->local_sink;
1067 * Edid mgmt connector gets first update only in mode_valid hook and then
1068 * the connector sink is set to either fake or physical sink depends on link status.
1069 * Skip if already done during boot.
1071 if (aconnector->base.force != DRM_FORCE_UNSPECIFIED
1072 && aconnector->dc_em_sink) {
1075 * For S3 resume with headless use eml_sink to fake stream
1076 * because on resume connector->sink is set to NULL
1078 mutex_lock(&dev->mode_config.mutex);
1081 if (aconnector->dc_sink) {
1082 amdgpu_dm_update_freesync_caps(connector, NULL);
1084 * retain and release below are used to
1085 * bump up refcount for sink because the link doesn't point
1086 * to it anymore after disconnect, so on next crtc to connector
1087 * reshuffle by UMD we will get into unwanted dc_sink release
1089 if (aconnector->dc_sink != aconnector->dc_em_sink)
1090 dc_sink_release(aconnector->dc_sink);
1092 aconnector->dc_sink = sink;
1093 amdgpu_dm_update_freesync_caps(connector,
1096 amdgpu_dm_update_freesync_caps(connector, NULL);
1097 if (!aconnector->dc_sink)
1098 aconnector->dc_sink = aconnector->dc_em_sink;
1099 else if (aconnector->dc_sink != aconnector->dc_em_sink)
1100 dc_sink_retain(aconnector->dc_sink);
1103 mutex_unlock(&dev->mode_config.mutex);
1108 * TODO: temporary guard to look for proper fix
1109 * if this sink is MST sink, we should not do anything
1111 if (sink && sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT_MST)
1114 if (aconnector->dc_sink == sink) {
1116 * We got a DP short pulse (Link Loss, DP CTS, etc...).
1119 DRM_DEBUG_DRIVER("DCHPD: connector_id=%d: dc_sink didn't change.\n",
1120 aconnector->connector_id);
1124 DRM_DEBUG_DRIVER("DCHPD: connector_id=%d: Old sink=%p New sink=%p\n",
1125 aconnector->connector_id, aconnector->dc_sink, sink);
1127 mutex_lock(&dev->mode_config.mutex);
1130 * 1. Update status of the drm connector
1131 * 2. Send an event and let userspace tell us what to do
1135 * TODO: check if we still need the S3 mode update workaround.
1136 * If yes, put it here.
1138 if (aconnector->dc_sink)
1139 amdgpu_dm_update_freesync_caps(connector, NULL);
1141 aconnector->dc_sink = sink;
1142 if (sink->dc_edid.length == 0) {
1143 aconnector->edid = NULL;
1144 drm_dp_cec_unset_edid(&aconnector->dm_dp_aux.aux);
1147 (struct edid *) sink->dc_edid.raw_edid;
1150 drm_connector_update_edid_property(connector,
1152 drm_dp_cec_set_edid(&aconnector->dm_dp_aux.aux,
1155 amdgpu_dm_update_freesync_caps(connector, aconnector->edid);
1158 drm_dp_cec_unset_edid(&aconnector->dm_dp_aux.aux);
1159 amdgpu_dm_update_freesync_caps(connector, NULL);
1160 drm_connector_update_edid_property(connector, NULL);
1161 aconnector->num_modes = 0;
1162 aconnector->dc_sink = NULL;
1163 aconnector->edid = NULL;
1166 mutex_unlock(&dev->mode_config.mutex);
1169 static void handle_hpd_irq(void *param)
1171 struct amdgpu_dm_connector *aconnector = (struct amdgpu_dm_connector *)param;
1172 struct drm_connector *connector = &aconnector->base;
1173 struct drm_device *dev = connector->dev;
1174 enum dc_connection_type new_connection_type = dc_connection_none;
1177 * In case of failure or MST no need to update connector status or notify the OS
1178 * since (for MST case) MST does this in its own context.
1180 mutex_lock(&aconnector->hpd_lock);
1182 if (aconnector->fake_enable)
1183 aconnector->fake_enable = false;
1185 if (!dc_link_detect_sink(aconnector->dc_link, &new_connection_type))
1186 DRM_ERROR("KMS: Failed to detect connector\n");
1188 if (aconnector->base.force && new_connection_type == dc_connection_none) {
1189 emulated_link_detect(aconnector->dc_link);
1192 drm_modeset_lock_all(dev);
1193 dm_restore_drm_connector_state(dev, connector);
1194 drm_modeset_unlock_all(dev);
1196 if (aconnector->base.force == DRM_FORCE_UNSPECIFIED)
1197 drm_kms_helper_hotplug_event(dev);
1199 } else if (dc_link_detect(aconnector->dc_link, DETECT_REASON_HPD)) {
1200 amdgpu_dm_update_connector_after_detect(aconnector);
1203 drm_modeset_lock_all(dev);
1204 dm_restore_drm_connector_state(dev, connector);
1205 drm_modeset_unlock_all(dev);
1207 if (aconnector->base.force == DRM_FORCE_UNSPECIFIED)
1208 drm_kms_helper_hotplug_event(dev);
1210 mutex_unlock(&aconnector->hpd_lock);
1214 static void dm_handle_hpd_rx_irq(struct amdgpu_dm_connector *aconnector)
1216 uint8_t esi[DP_PSR_ERROR_STATUS - DP_SINK_COUNT_ESI] = { 0 };
1218 bool new_irq_handled = false;
1220 int dpcd_bytes_to_read;
1222 const int max_process_count = 30;
1223 int process_count = 0;
1225 const struct dc_link_status *link_status = dc_link_get_status(aconnector->dc_link);
1227 if (link_status->dpcd_caps->dpcd_rev.raw < 0x12) {
1228 dpcd_bytes_to_read = DP_LANE0_1_STATUS - DP_SINK_COUNT;
1229 /* DPCD 0x200 - 0x201 for downstream IRQ */
1230 dpcd_addr = DP_SINK_COUNT;
1232 dpcd_bytes_to_read = DP_PSR_ERROR_STATUS - DP_SINK_COUNT_ESI;
1233 /* DPCD 0x2002 - 0x2005 for downstream IRQ */
1234 dpcd_addr = DP_SINK_COUNT_ESI;
1237 dret = drm_dp_dpcd_read(
1238 &aconnector->dm_dp_aux.aux,
1241 dpcd_bytes_to_read);
1243 while (dret == dpcd_bytes_to_read &&
1244 process_count < max_process_count) {
1250 DRM_DEBUG_DRIVER("ESI %02x %02x %02x\n", esi[0], esi[1], esi[2]);
1251 /* handle HPD short pulse irq */
1252 if (aconnector->mst_mgr.mst_state)
1254 &aconnector->mst_mgr,
1258 if (new_irq_handled) {
1259 /* ACK at DPCD to notify down stream */
1260 const int ack_dpcd_bytes_to_write =
1261 dpcd_bytes_to_read - 1;
1263 for (retry = 0; retry < 3; retry++) {
1266 wret = drm_dp_dpcd_write(
1267 &aconnector->dm_dp_aux.aux,
1270 ack_dpcd_bytes_to_write);
1271 if (wret == ack_dpcd_bytes_to_write)
1275 /* check if there is new irq to be handled */
1276 dret = drm_dp_dpcd_read(
1277 &aconnector->dm_dp_aux.aux,
1280 dpcd_bytes_to_read);
1282 new_irq_handled = false;
1288 if (process_count == max_process_count)
1289 DRM_DEBUG_DRIVER("Loop exceeded max iterations\n");
1292 static void handle_hpd_rx_irq(void *param)
1294 struct amdgpu_dm_connector *aconnector = (struct amdgpu_dm_connector *)param;
1295 struct drm_connector *connector = &aconnector->base;
1296 struct drm_device *dev = connector->dev;
1297 struct dc_link *dc_link = aconnector->dc_link;
1298 bool is_mst_root_connector = aconnector->mst_mgr.mst_state;
1299 enum dc_connection_type new_connection_type = dc_connection_none;
1302 * TODO:Temporary add mutex to protect hpd interrupt not have a gpio
1303 * conflict, after implement i2c helper, this mutex should be
1306 if (dc_link->type != dc_connection_mst_branch)
1307 mutex_lock(&aconnector->hpd_lock);
1309 if (dc_link_handle_hpd_rx_irq(dc_link, NULL, NULL) &&
1310 !is_mst_root_connector) {
1311 /* Downstream Port status changed. */
1312 if (!dc_link_detect_sink(dc_link, &new_connection_type))
1313 DRM_ERROR("KMS: Failed to detect connector\n");
1315 if (aconnector->base.force && new_connection_type == dc_connection_none) {
1316 emulated_link_detect(dc_link);
1318 if (aconnector->fake_enable)
1319 aconnector->fake_enable = false;
1321 amdgpu_dm_update_connector_after_detect(aconnector);
1324 drm_modeset_lock_all(dev);
1325 dm_restore_drm_connector_state(dev, connector);
1326 drm_modeset_unlock_all(dev);
1328 drm_kms_helper_hotplug_event(dev);
1329 } else if (dc_link_detect(dc_link, DETECT_REASON_HPDRX)) {
1331 if (aconnector->fake_enable)
1332 aconnector->fake_enable = false;
1334 amdgpu_dm_update_connector_after_detect(aconnector);
1337 drm_modeset_lock_all(dev);
1338 dm_restore_drm_connector_state(dev, connector);
1339 drm_modeset_unlock_all(dev);
1341 drm_kms_helper_hotplug_event(dev);
1344 if ((dc_link->cur_link_settings.lane_count != LANE_COUNT_UNKNOWN) ||
1345 (dc_link->type == dc_connection_mst_branch))
1346 dm_handle_hpd_rx_irq(aconnector);
1348 if (dc_link->type != dc_connection_mst_branch) {
1349 drm_dp_cec_irq(&aconnector->dm_dp_aux.aux);
1350 mutex_unlock(&aconnector->hpd_lock);
1354 static void register_hpd_handlers(struct amdgpu_device *adev)
1356 struct drm_device *dev = adev->ddev;
1357 struct drm_connector *connector;
1358 struct amdgpu_dm_connector *aconnector;
1359 const struct dc_link *dc_link;
1360 struct dc_interrupt_params int_params = {0};
1362 int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT;
1363 int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT;
1365 list_for_each_entry(connector,
1366 &dev->mode_config.connector_list, head) {
1368 aconnector = to_amdgpu_dm_connector(connector);
1369 dc_link = aconnector->dc_link;
1371 if (DC_IRQ_SOURCE_INVALID != dc_link->irq_source_hpd) {
1372 int_params.int_context = INTERRUPT_LOW_IRQ_CONTEXT;
1373 int_params.irq_source = dc_link->irq_source_hpd;
1375 amdgpu_dm_irq_register_interrupt(adev, &int_params,
1377 (void *) aconnector);
1380 if (DC_IRQ_SOURCE_INVALID != dc_link->irq_source_hpd_rx) {
1382 /* Also register for DP short pulse (hpd_rx). */
1383 int_params.int_context = INTERRUPT_LOW_IRQ_CONTEXT;
1384 int_params.irq_source = dc_link->irq_source_hpd_rx;
1386 amdgpu_dm_irq_register_interrupt(adev, &int_params,
1388 (void *) aconnector);
1393 /* Register IRQ sources and initialize IRQ callbacks */
1394 static int dce110_register_irq_handlers(struct amdgpu_device *adev)
1396 struct dc *dc = adev->dm.dc;
1397 struct common_irq_params *c_irq_params;
1398 struct dc_interrupt_params int_params = {0};
1401 unsigned client_id = AMDGPU_IRQ_CLIENTID_LEGACY;
1403 if (adev->asic_type == CHIP_VEGA10 ||
1404 adev->asic_type == CHIP_VEGA12 ||
1405 adev->asic_type == CHIP_VEGA20 ||
1406 adev->asic_type == CHIP_RAVEN)
1407 client_id = SOC15_IH_CLIENTID_DCE;
1409 int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT;
1410 int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT;
1413 * Actions of amdgpu_irq_add_id():
1414 * 1. Register a set() function with base driver.
1415 * Base driver will call set() function to enable/disable an
1416 * interrupt in DC hardware.
1417 * 2. Register amdgpu_dm_irq_handler().
1418 * Base driver will call amdgpu_dm_irq_handler() for ALL interrupts
1419 * coming from DC hardware.
1420 * amdgpu_dm_irq_handler() will re-direct the interrupt to DC
1421 * for acknowledging and handling. */
1423 /* Use VBLANK interrupt */
1424 for (i = VISLANDS30_IV_SRCID_D1_VERTICAL_INTERRUPT0; i <= VISLANDS30_IV_SRCID_D6_VERTICAL_INTERRUPT0; i++) {
1425 r = amdgpu_irq_add_id(adev, client_id, i, &adev->crtc_irq);
1427 DRM_ERROR("Failed to add crtc irq id!\n");
1431 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT;
1432 int_params.irq_source =
1433 dc_interrupt_to_irq_source(dc, i, 0);
1435 c_irq_params = &adev->dm.vblank_params[int_params.irq_source - DC_IRQ_SOURCE_VBLANK1];
1437 c_irq_params->adev = adev;
1438 c_irq_params->irq_src = int_params.irq_source;
1440 amdgpu_dm_irq_register_interrupt(adev, &int_params,
1441 dm_crtc_high_irq, c_irq_params);
1444 /* Use GRPH_PFLIP interrupt */
1445 for (i = VISLANDS30_IV_SRCID_D1_GRPH_PFLIP;
1446 i <= VISLANDS30_IV_SRCID_D6_GRPH_PFLIP; i += 2) {
1447 r = amdgpu_irq_add_id(adev, client_id, i, &adev->pageflip_irq);
1449 DRM_ERROR("Failed to add page flip irq id!\n");
1453 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT;
1454 int_params.irq_source =
1455 dc_interrupt_to_irq_source(dc, i, 0);
1457 c_irq_params = &adev->dm.pflip_params[int_params.irq_source - DC_IRQ_SOURCE_PFLIP_FIRST];
1459 c_irq_params->adev = adev;
1460 c_irq_params->irq_src = int_params.irq_source;
1462 amdgpu_dm_irq_register_interrupt(adev, &int_params,
1463 dm_pflip_high_irq, c_irq_params);
1468 r = amdgpu_irq_add_id(adev, client_id,
1469 VISLANDS30_IV_SRCID_HOTPLUG_DETECT_A, &adev->hpd_irq);
1471 DRM_ERROR("Failed to add hpd irq id!\n");
1475 register_hpd_handlers(adev);
1480 #if defined(CONFIG_DRM_AMD_DC_DCN1_0)
1481 /* Register IRQ sources and initialize IRQ callbacks */
1482 static int dcn10_register_irq_handlers(struct amdgpu_device *adev)
1484 struct dc *dc = adev->dm.dc;
1485 struct common_irq_params *c_irq_params;
1486 struct dc_interrupt_params int_params = {0};
1490 int_params.requested_polarity = INTERRUPT_POLARITY_DEFAULT;
1491 int_params.current_polarity = INTERRUPT_POLARITY_DEFAULT;
1494 * Actions of amdgpu_irq_add_id():
1495 * 1. Register a set() function with base driver.
1496 * Base driver will call set() function to enable/disable an
1497 * interrupt in DC hardware.
1498 * 2. Register amdgpu_dm_irq_handler().
1499 * Base driver will call amdgpu_dm_irq_handler() for ALL interrupts
1500 * coming from DC hardware.
1501 * amdgpu_dm_irq_handler() will re-direct the interrupt to DC
1502 * for acknowledging and handling.
1505 /* Use VSTARTUP interrupt */
1506 for (i = DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP;
1507 i <= DCN_1_0__SRCID__DC_D1_OTG_VSTARTUP + adev->mode_info.num_crtc - 1;
1509 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, i, &adev->crtc_irq);
1512 DRM_ERROR("Failed to add crtc irq id!\n");
1516 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT;
1517 int_params.irq_source =
1518 dc_interrupt_to_irq_source(dc, i, 0);
1520 c_irq_params = &adev->dm.vblank_params[int_params.irq_source - DC_IRQ_SOURCE_VBLANK1];
1522 c_irq_params->adev = adev;
1523 c_irq_params->irq_src = int_params.irq_source;
1525 amdgpu_dm_irq_register_interrupt(adev, &int_params,
1526 dm_crtc_high_irq, c_irq_params);
1529 /* Use GRPH_PFLIP interrupt */
1530 for (i = DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT;
1531 i <= DCN_1_0__SRCID__HUBP0_FLIP_INTERRUPT + adev->mode_info.num_crtc - 1;
1533 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, i, &adev->pageflip_irq);
1535 DRM_ERROR("Failed to add page flip irq id!\n");
1539 int_params.int_context = INTERRUPT_HIGH_IRQ_CONTEXT;
1540 int_params.irq_source =
1541 dc_interrupt_to_irq_source(dc, i, 0);
1543 c_irq_params = &adev->dm.pflip_params[int_params.irq_source - DC_IRQ_SOURCE_PFLIP_FIRST];
1545 c_irq_params->adev = adev;
1546 c_irq_params->irq_src = int_params.irq_source;
1548 amdgpu_dm_irq_register_interrupt(adev, &int_params,
1549 dm_pflip_high_irq, c_irq_params);
1554 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_DCE, DCN_1_0__SRCID__DC_HPD1_INT,
1557 DRM_ERROR("Failed to add hpd irq id!\n");
1561 register_hpd_handlers(adev);
1568 * Acquires the lock for the atomic state object and returns
1569 * the new atomic state.
1571 * This should only be called during atomic check.
1573 static int dm_atomic_get_state(struct drm_atomic_state *state,
1574 struct dm_atomic_state **dm_state)
1576 struct drm_device *dev = state->dev;
1577 struct amdgpu_device *adev = dev->dev_private;
1578 struct amdgpu_display_manager *dm = &adev->dm;
1579 struct drm_private_state *priv_state;
1585 ret = drm_modeset_lock(&dm->atomic_obj_lock, state->acquire_ctx);
1589 priv_state = drm_atomic_get_private_obj_state(state, &dm->atomic_obj);
1590 if (IS_ERR(priv_state))
1591 return PTR_ERR(priv_state);
1593 *dm_state = to_dm_atomic_state(priv_state);
1598 struct dm_atomic_state *
1599 dm_atomic_get_new_state(struct drm_atomic_state *state)
1601 struct drm_device *dev = state->dev;
1602 struct amdgpu_device *adev = dev->dev_private;
1603 struct amdgpu_display_manager *dm = &adev->dm;
1604 struct drm_private_obj *obj;
1605 struct drm_private_state *new_obj_state;
1608 for_each_new_private_obj_in_state(state, obj, new_obj_state, i) {
1609 if (obj->funcs == dm->atomic_obj.funcs)
1610 return to_dm_atomic_state(new_obj_state);
1616 struct dm_atomic_state *
1617 dm_atomic_get_old_state(struct drm_atomic_state *state)
1619 struct drm_device *dev = state->dev;
1620 struct amdgpu_device *adev = dev->dev_private;
1621 struct amdgpu_display_manager *dm = &adev->dm;
1622 struct drm_private_obj *obj;
1623 struct drm_private_state *old_obj_state;
1626 for_each_old_private_obj_in_state(state, obj, old_obj_state, i) {
1627 if (obj->funcs == dm->atomic_obj.funcs)
1628 return to_dm_atomic_state(old_obj_state);
1634 static struct drm_private_state *
1635 dm_atomic_duplicate_state(struct drm_private_obj *obj)
1637 struct dm_atomic_state *old_state, *new_state;
1639 new_state = kzalloc(sizeof(*new_state), GFP_KERNEL);
1643 __drm_atomic_helper_private_obj_duplicate_state(obj, &new_state->base);
1645 new_state->context = dc_create_state();
1646 if (!new_state->context) {
1651 old_state = to_dm_atomic_state(obj->state);
1652 if (old_state && old_state->context)
1653 dc_resource_state_copy_construct(old_state->context,
1654 new_state->context);
1656 return &new_state->base;
1659 static void dm_atomic_destroy_state(struct drm_private_obj *obj,
1660 struct drm_private_state *state)
1662 struct dm_atomic_state *dm_state = to_dm_atomic_state(state);
1664 if (dm_state && dm_state->context)
1665 dc_release_state(dm_state->context);
1670 static struct drm_private_state_funcs dm_atomic_state_funcs = {
1671 .atomic_duplicate_state = dm_atomic_duplicate_state,
1672 .atomic_destroy_state = dm_atomic_destroy_state,
1675 static int amdgpu_dm_mode_config_init(struct amdgpu_device *adev)
1677 struct dm_atomic_state *state;
1680 adev->mode_info.mode_config_initialized = true;
1682 adev->ddev->mode_config.funcs = (void *)&amdgpu_dm_mode_funcs;
1683 adev->ddev->mode_config.helper_private = &amdgpu_dm_mode_config_helperfuncs;
1685 adev->ddev->mode_config.max_width = 16384;
1686 adev->ddev->mode_config.max_height = 16384;
1688 adev->ddev->mode_config.preferred_depth = 24;
1689 adev->ddev->mode_config.prefer_shadow = 1;
1690 /* indicates support for immediate flip */
1691 adev->ddev->mode_config.async_page_flip = true;
1693 adev->ddev->mode_config.fb_base = adev->gmc.aper_base;
1695 drm_modeset_lock_init(&adev->dm.atomic_obj_lock);
1697 state = kzalloc(sizeof(*state), GFP_KERNEL);
1701 state->context = dc_create_state();
1702 if (!state->context) {
1707 dc_resource_state_copy_construct_current(adev->dm.dc, state->context);
1709 drm_atomic_private_obj_init(&adev->dm.atomic_obj,
1711 &dm_atomic_state_funcs);
1713 r = amdgpu_display_modeset_create_props(adev);
1720 #define AMDGPU_DM_DEFAULT_MIN_BACKLIGHT 12
1721 #define AMDGPU_DM_DEFAULT_MAX_BACKLIGHT 255
1723 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\
1724 defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
1726 static void amdgpu_dm_update_backlight_caps(struct amdgpu_display_manager *dm)
1728 #if defined(CONFIG_ACPI)
1729 struct amdgpu_dm_backlight_caps caps;
1731 if (dm->backlight_caps.caps_valid)
1734 amdgpu_acpi_get_backlight_caps(dm->adev, &caps);
1735 if (caps.caps_valid) {
1736 dm->backlight_caps.min_input_signal = caps.min_input_signal;
1737 dm->backlight_caps.max_input_signal = caps.max_input_signal;
1738 dm->backlight_caps.caps_valid = true;
1740 dm->backlight_caps.min_input_signal =
1741 AMDGPU_DM_DEFAULT_MIN_BACKLIGHT;
1742 dm->backlight_caps.max_input_signal =
1743 AMDGPU_DM_DEFAULT_MAX_BACKLIGHT;
1746 dm->backlight_caps.min_input_signal = AMDGPU_DM_DEFAULT_MIN_BACKLIGHT;
1747 dm->backlight_caps.max_input_signal = AMDGPU_DM_DEFAULT_MAX_BACKLIGHT;
1751 static int amdgpu_dm_backlight_update_status(struct backlight_device *bd)
1753 struct amdgpu_display_manager *dm = bl_get_data(bd);
1754 struct amdgpu_dm_backlight_caps caps;
1755 uint32_t brightness = bd->props.brightness;
1757 amdgpu_dm_update_backlight_caps(dm);
1758 caps = dm->backlight_caps;
1760 * The brightness input is in the range 0-255
1761 * It needs to be rescaled to be between the
1762 * requested min and max input signal
1764 * It also needs to be scaled up by 0x101 to
1765 * match the DC interface which has a range of
1771 * (caps.max_input_signal - caps.min_input_signal)
1772 / AMDGPU_MAX_BL_LEVEL
1773 + caps.min_input_signal * 0x101;
1775 if (dc_link_set_backlight_level(dm->backlight_link,
1782 static int amdgpu_dm_backlight_get_brightness(struct backlight_device *bd)
1784 struct amdgpu_display_manager *dm = bl_get_data(bd);
1785 int ret = dc_link_get_backlight_level(dm->backlight_link);
1787 if (ret == DC_ERROR_UNEXPECTED)
1788 return bd->props.brightness;
1792 static const struct backlight_ops amdgpu_dm_backlight_ops = {
1793 .get_brightness = amdgpu_dm_backlight_get_brightness,
1794 .update_status = amdgpu_dm_backlight_update_status,
1798 amdgpu_dm_register_backlight_device(struct amdgpu_display_manager *dm)
1801 struct backlight_properties props = { 0 };
1803 amdgpu_dm_update_backlight_caps(dm);
1805 props.max_brightness = AMDGPU_MAX_BL_LEVEL;
1806 props.brightness = AMDGPU_MAX_BL_LEVEL;
1807 props.type = BACKLIGHT_RAW;
1809 snprintf(bl_name, sizeof(bl_name), "amdgpu_bl%d",
1810 dm->adev->ddev->primary->index);
1812 dm->backlight_dev = backlight_device_register(bl_name,
1813 dm->adev->ddev->dev,
1815 &amdgpu_dm_backlight_ops,
1818 if (IS_ERR(dm->backlight_dev))
1819 DRM_ERROR("DM: Backlight registration failed!\n");
1821 DRM_DEBUG_DRIVER("DM: Registered Backlight device: %s\n", bl_name);
1826 static int initialize_plane(struct amdgpu_display_manager *dm,
1827 struct amdgpu_mode_info *mode_info,
1830 struct drm_plane *plane;
1831 unsigned long possible_crtcs;
1834 plane = kzalloc(sizeof(struct drm_plane), GFP_KERNEL);
1835 mode_info->planes[plane_id] = plane;
1838 DRM_ERROR("KMS: Failed to allocate plane\n");
1841 plane->type = mode_info->plane_type[plane_id];
1844 * HACK: IGT tests expect that each plane can only have
1845 * one possible CRTC. For now, set one CRTC for each
1846 * plane that is not an underlay, but still allow multiple
1847 * CRTCs for underlay planes.
1849 possible_crtcs = 1 << plane_id;
1850 if (plane_id >= dm->dc->caps.max_streams)
1851 possible_crtcs = 0xff;
1853 ret = amdgpu_dm_plane_init(dm, mode_info->planes[plane_id], possible_crtcs);
1856 DRM_ERROR("KMS: Failed to initialize plane\n");
1864 static void register_backlight_device(struct amdgpu_display_manager *dm,
1865 struct dc_link *link)
1867 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\
1868 defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
1870 if ((link->connector_signal & (SIGNAL_TYPE_EDP | SIGNAL_TYPE_LVDS)) &&
1871 link->type != dc_connection_none) {
1873 * Event if registration failed, we should continue with
1874 * DM initialization because not having a backlight control
1875 * is better then a black screen.
1877 amdgpu_dm_register_backlight_device(dm);
1879 if (dm->backlight_dev)
1880 dm->backlight_link = link;
1887 * In this architecture, the association
1888 * connector -> encoder -> crtc
1889 * id not really requried. The crtc and connector will hold the
1890 * display_index as an abstraction to use with DAL component
1892 * Returns 0 on success
1894 static int amdgpu_dm_initialize_drm_device(struct amdgpu_device *adev)
1896 struct amdgpu_display_manager *dm = &adev->dm;
1898 struct amdgpu_dm_connector *aconnector = NULL;
1899 struct amdgpu_encoder *aencoder = NULL;
1900 struct amdgpu_mode_info *mode_info = &adev->mode_info;
1902 int32_t total_overlay_planes, total_primary_planes;
1903 enum dc_connection_type new_connection_type = dc_connection_none;
1905 link_cnt = dm->dc->caps.max_links;
1906 if (amdgpu_dm_mode_config_init(dm->adev)) {
1907 DRM_ERROR("DM: Failed to initialize mode config\n");
1911 /* Identify the number of planes to be initialized */
1912 total_overlay_planes = dm->dc->caps.max_slave_planes;
1913 total_primary_planes = dm->dc->caps.max_planes - dm->dc->caps.max_slave_planes;
1915 /* First initialize overlay planes, index starting after primary planes */
1916 for (i = (total_overlay_planes - 1); i >= 0; i--) {
1917 if (initialize_plane(dm, mode_info, (total_primary_planes + i))) {
1918 DRM_ERROR("KMS: Failed to initialize overlay plane\n");
1923 /* Initialize primary planes */
1924 for (i = (total_primary_planes - 1); i >= 0; i--) {
1925 if (initialize_plane(dm, mode_info, i)) {
1926 DRM_ERROR("KMS: Failed to initialize primary plane\n");
1931 for (i = 0; i < dm->dc->caps.max_streams; i++)
1932 if (amdgpu_dm_crtc_init(dm, mode_info->planes[i], i)) {
1933 DRM_ERROR("KMS: Failed to initialize crtc\n");
1937 dm->display_indexes_num = dm->dc->caps.max_streams;
1939 /* loops over all connectors on the board */
1940 for (i = 0; i < link_cnt; i++) {
1941 struct dc_link *link = NULL;
1943 if (i > AMDGPU_DM_MAX_DISPLAY_INDEX) {
1945 "KMS: Cannot support more than %d display indexes\n",
1946 AMDGPU_DM_MAX_DISPLAY_INDEX);
1950 aconnector = kzalloc(sizeof(*aconnector), GFP_KERNEL);
1954 aencoder = kzalloc(sizeof(*aencoder), GFP_KERNEL);
1958 if (amdgpu_dm_encoder_init(dm->ddev, aencoder, i)) {
1959 DRM_ERROR("KMS: Failed to initialize encoder\n");
1963 if (amdgpu_dm_connector_init(dm, aconnector, i, aencoder)) {
1964 DRM_ERROR("KMS: Failed to initialize connector\n");
1968 link = dc_get_link_at_index(dm->dc, i);
1970 if (!dc_link_detect_sink(link, &new_connection_type))
1971 DRM_ERROR("KMS: Failed to detect connector\n");
1973 if (aconnector->base.force && new_connection_type == dc_connection_none) {
1974 emulated_link_detect(link);
1975 amdgpu_dm_update_connector_after_detect(aconnector);
1977 } else if (dc_link_detect(link, DETECT_REASON_BOOT)) {
1978 amdgpu_dm_update_connector_after_detect(aconnector);
1979 register_backlight_device(dm, link);
1985 /* Software is initialized. Now we can register interrupt handlers. */
1986 switch (adev->asic_type) {
1996 case CHIP_POLARIS11:
1997 case CHIP_POLARIS10:
1998 case CHIP_POLARIS12:
2003 if (dce110_register_irq_handlers(dm->adev)) {
2004 DRM_ERROR("DM: Failed to initialize IRQ\n");
2008 #if defined(CONFIG_DRM_AMD_DC_DCN1_0)
2010 if (dcn10_register_irq_handlers(dm->adev)) {
2011 DRM_ERROR("DM: Failed to initialize IRQ\n");
2017 DRM_ERROR("Unsupported ASIC type: 0x%X\n", adev->asic_type);
2021 if (adev->asic_type != CHIP_CARRIZO && adev->asic_type != CHIP_STONEY)
2022 dm->dc->debug.disable_stutter = amdgpu_pp_feature_mask & PP_STUTTER_MODE ? false : true;
2028 for (i = 0; i < dm->dc->caps.max_planes; i++)
2029 kfree(mode_info->planes[i]);
2033 static void amdgpu_dm_destroy_drm_device(struct amdgpu_display_manager *dm)
2035 drm_mode_config_cleanup(dm->ddev);
2036 drm_atomic_private_obj_fini(&dm->atomic_obj);
2040 /******************************************************************************
2041 * amdgpu_display_funcs functions
2042 *****************************************************************************/
2045 * dm_bandwidth_update - program display watermarks
2047 * @adev: amdgpu_device pointer
2049 * Calculate and program the display watermarks and line buffer allocation.
2051 static void dm_bandwidth_update(struct amdgpu_device *adev)
2053 /* TODO: implement later */
2056 static const struct amdgpu_display_funcs dm_display_funcs = {
2057 .bandwidth_update = dm_bandwidth_update, /* called unconditionally */
2058 .vblank_get_counter = dm_vblank_get_counter,/* called unconditionally */
2059 .backlight_set_level = NULL, /* never called for DC */
2060 .backlight_get_level = NULL, /* never called for DC */
2061 .hpd_sense = NULL,/* called unconditionally */
2062 .hpd_set_polarity = NULL, /* called unconditionally */
2063 .hpd_get_gpio_reg = NULL, /* VBIOS parsing. DAL does it. */
2064 .page_flip_get_scanoutpos =
2065 dm_crtc_get_scanoutpos,/* called unconditionally */
2066 .add_encoder = NULL, /* VBIOS parsing. DAL does it. */
2067 .add_connector = NULL, /* VBIOS parsing. DAL does it. */
2070 #if defined(CONFIG_DEBUG_KERNEL_DC)
2072 static ssize_t s3_debug_store(struct device *device,
2073 struct device_attribute *attr,
2079 struct pci_dev *pdev = to_pci_dev(device);
2080 struct drm_device *drm_dev = pci_get_drvdata(pdev);
2081 struct amdgpu_device *adev = drm_dev->dev_private;
2083 ret = kstrtoint(buf, 0, &s3_state);
2088 drm_kms_helper_hotplug_event(adev->ddev);
2093 return ret == 0 ? count : 0;
2096 DEVICE_ATTR_WO(s3_debug);
2100 static int dm_early_init(void *handle)
2102 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2104 switch (adev->asic_type) {
2107 adev->mode_info.num_crtc = 6;
2108 adev->mode_info.num_hpd = 6;
2109 adev->mode_info.num_dig = 6;
2110 adev->mode_info.plane_type = dm_plane_type_default;
2113 adev->mode_info.num_crtc = 4;
2114 adev->mode_info.num_hpd = 6;
2115 adev->mode_info.num_dig = 7;
2116 adev->mode_info.plane_type = dm_plane_type_default;
2120 adev->mode_info.num_crtc = 2;
2121 adev->mode_info.num_hpd = 6;
2122 adev->mode_info.num_dig = 6;
2123 adev->mode_info.plane_type = dm_plane_type_default;
2127 adev->mode_info.num_crtc = 6;
2128 adev->mode_info.num_hpd = 6;
2129 adev->mode_info.num_dig = 7;
2130 adev->mode_info.plane_type = dm_plane_type_default;
2133 adev->mode_info.num_crtc = 3;
2134 adev->mode_info.num_hpd = 6;
2135 adev->mode_info.num_dig = 9;
2136 adev->mode_info.plane_type = dm_plane_type_carizzo;
2139 adev->mode_info.num_crtc = 2;
2140 adev->mode_info.num_hpd = 6;
2141 adev->mode_info.num_dig = 9;
2142 adev->mode_info.plane_type = dm_plane_type_stoney;
2144 case CHIP_POLARIS11:
2145 case CHIP_POLARIS12:
2146 adev->mode_info.num_crtc = 5;
2147 adev->mode_info.num_hpd = 5;
2148 adev->mode_info.num_dig = 5;
2149 adev->mode_info.plane_type = dm_plane_type_default;
2151 case CHIP_POLARIS10:
2153 adev->mode_info.num_crtc = 6;
2154 adev->mode_info.num_hpd = 6;
2155 adev->mode_info.num_dig = 6;
2156 adev->mode_info.plane_type = dm_plane_type_default;
2161 adev->mode_info.num_crtc = 6;
2162 adev->mode_info.num_hpd = 6;
2163 adev->mode_info.num_dig = 6;
2164 adev->mode_info.plane_type = dm_plane_type_default;
2166 #if defined(CONFIG_DRM_AMD_DC_DCN1_0)
2168 adev->mode_info.num_crtc = 4;
2169 adev->mode_info.num_hpd = 4;
2170 adev->mode_info.num_dig = 4;
2171 adev->mode_info.plane_type = dm_plane_type_default;
2175 DRM_ERROR("Unsupported ASIC type: 0x%X\n", adev->asic_type);
2179 amdgpu_dm_set_irq_funcs(adev);
2181 if (adev->mode_info.funcs == NULL)
2182 adev->mode_info.funcs = &dm_display_funcs;
2185 * Note: Do NOT change adev->audio_endpt_rreg and
2186 * adev->audio_endpt_wreg because they are initialised in
2187 * amdgpu_device_init()
2189 #if defined(CONFIG_DEBUG_KERNEL_DC)
2192 &dev_attr_s3_debug);
2198 static bool modeset_required(struct drm_crtc_state *crtc_state,
2199 struct dc_stream_state *new_stream,
2200 struct dc_stream_state *old_stream)
2202 if (!drm_atomic_crtc_needs_modeset(crtc_state))
2205 if (!crtc_state->enable)
2208 return crtc_state->active;
2211 static bool modereset_required(struct drm_crtc_state *crtc_state)
2213 if (!drm_atomic_crtc_needs_modeset(crtc_state))
2216 return !crtc_state->enable || !crtc_state->active;
2219 static void amdgpu_dm_encoder_destroy(struct drm_encoder *encoder)
2221 drm_encoder_cleanup(encoder);
2225 static const struct drm_encoder_funcs amdgpu_dm_encoder_funcs = {
2226 .destroy = amdgpu_dm_encoder_destroy,
2229 static bool fill_rects_from_plane_state(const struct drm_plane_state *state,
2230 struct dc_plane_state *plane_state)
2232 plane_state->src_rect.x = state->src_x >> 16;
2233 plane_state->src_rect.y = state->src_y >> 16;
2234 /* we ignore the mantissa for now and do not deal with floating pixels :( */
2235 plane_state->src_rect.width = state->src_w >> 16;
2237 if (plane_state->src_rect.width == 0)
2240 plane_state->src_rect.height = state->src_h >> 16;
2241 if (plane_state->src_rect.height == 0)
2244 plane_state->dst_rect.x = state->crtc_x;
2245 plane_state->dst_rect.y = state->crtc_y;
2247 if (state->crtc_w == 0)
2250 plane_state->dst_rect.width = state->crtc_w;
2252 if (state->crtc_h == 0)
2255 plane_state->dst_rect.height = state->crtc_h;
2257 plane_state->clip_rect = plane_state->dst_rect;
2259 switch (state->rotation & DRM_MODE_ROTATE_MASK) {
2260 case DRM_MODE_ROTATE_0:
2261 plane_state->rotation = ROTATION_ANGLE_0;
2263 case DRM_MODE_ROTATE_90:
2264 plane_state->rotation = ROTATION_ANGLE_90;
2266 case DRM_MODE_ROTATE_180:
2267 plane_state->rotation = ROTATION_ANGLE_180;
2269 case DRM_MODE_ROTATE_270:
2270 plane_state->rotation = ROTATION_ANGLE_270;
2273 plane_state->rotation = ROTATION_ANGLE_0;
2279 static int get_fb_info(const struct amdgpu_framebuffer *amdgpu_fb,
2280 uint64_t *tiling_flags)
2282 struct amdgpu_bo *rbo = gem_to_amdgpu_bo(amdgpu_fb->base.obj[0]);
2283 int r = amdgpu_bo_reserve(rbo, false);
2286 /* Don't show error message when returning -ERESTARTSYS */
2287 if (r != -ERESTARTSYS)
2288 DRM_ERROR("Unable to reserve buffer: %d\n", r);
2293 amdgpu_bo_get_tiling_flags(rbo, tiling_flags);
2295 amdgpu_bo_unreserve(rbo);
2300 static int fill_plane_attributes_from_fb(struct amdgpu_device *adev,
2301 struct dc_plane_state *plane_state,
2302 const struct amdgpu_framebuffer *amdgpu_fb)
2304 uint64_t tiling_flags;
2305 unsigned int awidth;
2306 const struct drm_framebuffer *fb = &amdgpu_fb->base;
2308 struct drm_format_name_buf format_name;
2317 switch (fb->format->format) {
2319 plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_PALETA_256_COLORS;
2321 case DRM_FORMAT_RGB565:
2322 plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_RGB565;
2324 case DRM_FORMAT_XRGB8888:
2325 case DRM_FORMAT_ARGB8888:
2326 plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_ARGB8888;
2328 case DRM_FORMAT_XRGB2101010:
2329 case DRM_FORMAT_ARGB2101010:
2330 plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_ARGB2101010;
2332 case DRM_FORMAT_XBGR2101010:
2333 case DRM_FORMAT_ABGR2101010:
2334 plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_ABGR2101010;
2336 case DRM_FORMAT_XBGR8888:
2337 case DRM_FORMAT_ABGR8888:
2338 plane_state->format = SURFACE_PIXEL_FORMAT_GRPH_ABGR8888;
2340 case DRM_FORMAT_NV21:
2341 plane_state->format = SURFACE_PIXEL_FORMAT_VIDEO_420_YCbCr;
2343 case DRM_FORMAT_NV12:
2344 plane_state->format = SURFACE_PIXEL_FORMAT_VIDEO_420_YCrCb;
2347 DRM_ERROR("Unsupported screen format %s\n",
2348 drm_get_format_name(fb->format->format, &format_name));
2352 if (plane_state->format < SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) {
2353 plane_state->address.type = PLN_ADDR_TYPE_GRAPHICS;
2354 plane_state->plane_size.grph.surface_size.x = 0;
2355 plane_state->plane_size.grph.surface_size.y = 0;
2356 plane_state->plane_size.grph.surface_size.width = fb->width;
2357 plane_state->plane_size.grph.surface_size.height = fb->height;
2358 plane_state->plane_size.grph.surface_pitch =
2359 fb->pitches[0] / fb->format->cpp[0];
2360 /* TODO: unhardcode */
2361 plane_state->color_space = COLOR_SPACE_SRGB;
2364 awidth = ALIGN(fb->width, 64);
2365 plane_state->address.type = PLN_ADDR_TYPE_VIDEO_PROGRESSIVE;
2366 plane_state->plane_size.video.luma_size.x = 0;
2367 plane_state->plane_size.video.luma_size.y = 0;
2368 plane_state->plane_size.video.luma_size.width = awidth;
2369 plane_state->plane_size.video.luma_size.height = fb->height;
2370 /* TODO: unhardcode */
2371 plane_state->plane_size.video.luma_pitch = awidth;
2373 plane_state->plane_size.video.chroma_size.x = 0;
2374 plane_state->plane_size.video.chroma_size.y = 0;
2375 plane_state->plane_size.video.chroma_size.width = awidth;
2376 plane_state->plane_size.video.chroma_size.height = fb->height;
2377 plane_state->plane_size.video.chroma_pitch = awidth / 2;
2379 /* TODO: unhardcode */
2380 plane_state->color_space = COLOR_SPACE_YCBCR709;
2383 memset(&plane_state->tiling_info, 0, sizeof(plane_state->tiling_info));
2385 /* Fill GFX8 params */
2386 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == DC_ARRAY_2D_TILED_THIN1) {
2387 unsigned int bankw, bankh, mtaspect, tile_split, num_banks;
2389 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
2390 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
2391 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
2392 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
2393 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
2395 /* XXX fix me for VI */
2396 plane_state->tiling_info.gfx8.num_banks = num_banks;
2397 plane_state->tiling_info.gfx8.array_mode =
2398 DC_ARRAY_2D_TILED_THIN1;
2399 plane_state->tiling_info.gfx8.tile_split = tile_split;
2400 plane_state->tiling_info.gfx8.bank_width = bankw;
2401 plane_state->tiling_info.gfx8.bank_height = bankh;
2402 plane_state->tiling_info.gfx8.tile_aspect = mtaspect;
2403 plane_state->tiling_info.gfx8.tile_mode =
2404 DC_ADDR_SURF_MICRO_TILING_DISPLAY;
2405 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE)
2406 == DC_ARRAY_1D_TILED_THIN1) {
2407 plane_state->tiling_info.gfx8.array_mode = DC_ARRAY_1D_TILED_THIN1;
2410 plane_state->tiling_info.gfx8.pipe_config =
2411 AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
2413 if (adev->asic_type == CHIP_VEGA10 ||
2414 adev->asic_type == CHIP_VEGA12 ||
2415 adev->asic_type == CHIP_VEGA20 ||
2416 adev->asic_type == CHIP_RAVEN) {
2417 /* Fill GFX9 params */
2418 plane_state->tiling_info.gfx9.num_pipes =
2419 adev->gfx.config.gb_addr_config_fields.num_pipes;
2420 plane_state->tiling_info.gfx9.num_banks =
2421 adev->gfx.config.gb_addr_config_fields.num_banks;
2422 plane_state->tiling_info.gfx9.pipe_interleave =
2423 adev->gfx.config.gb_addr_config_fields.pipe_interleave_size;
2424 plane_state->tiling_info.gfx9.num_shader_engines =
2425 adev->gfx.config.gb_addr_config_fields.num_se;
2426 plane_state->tiling_info.gfx9.max_compressed_frags =
2427 adev->gfx.config.gb_addr_config_fields.max_compress_frags;
2428 plane_state->tiling_info.gfx9.num_rb_per_se =
2429 adev->gfx.config.gb_addr_config_fields.num_rb_per_se;
2430 plane_state->tiling_info.gfx9.swizzle =
2431 AMDGPU_TILING_GET(tiling_flags, SWIZZLE_MODE);
2432 plane_state->tiling_info.gfx9.shaderEnable = 1;
2435 plane_state->visible = true;
2436 plane_state->scaling_quality.h_taps_c = 0;
2437 plane_state->scaling_quality.v_taps_c = 0;
2439 /* is this needed? is plane_state zeroed at allocation? */
2440 plane_state->scaling_quality.h_taps = 0;
2441 plane_state->scaling_quality.v_taps = 0;
2442 plane_state->stereo_format = PLANE_STEREO_FORMAT_NONE;
2448 static int fill_plane_attributes(struct amdgpu_device *adev,
2449 struct dc_plane_state *dc_plane_state,
2450 struct drm_plane_state *plane_state,
2451 struct drm_crtc_state *crtc_state)
2453 const struct amdgpu_framebuffer *amdgpu_fb =
2454 to_amdgpu_framebuffer(plane_state->fb);
2455 const struct drm_crtc *crtc = plane_state->crtc;
2458 if (!fill_rects_from_plane_state(plane_state, dc_plane_state))
2461 ret = fill_plane_attributes_from_fb(
2462 crtc->dev->dev_private,
2470 * Always set input transfer function, since plane state is refreshed
2473 ret = amdgpu_dm_set_degamma_lut(crtc_state, dc_plane_state);
2475 dc_transfer_func_release(dc_plane_state->in_transfer_func);
2476 dc_plane_state->in_transfer_func = NULL;
2482 static void update_stream_scaling_settings(const struct drm_display_mode *mode,
2483 const struct dm_connector_state *dm_state,
2484 struct dc_stream_state *stream)
2486 enum amdgpu_rmx_type rmx_type;
2488 struct rect src = { 0 }; /* viewport in composition space*/
2489 struct rect dst = { 0 }; /* stream addressable area */
2491 /* no mode. nothing to be done */
2495 /* Full screen scaling by default */
2496 src.width = mode->hdisplay;
2497 src.height = mode->vdisplay;
2498 dst.width = stream->timing.h_addressable;
2499 dst.height = stream->timing.v_addressable;
2502 rmx_type = dm_state->scaling;
2503 if (rmx_type == RMX_ASPECT || rmx_type == RMX_OFF) {
2504 if (src.width * dst.height <
2505 src.height * dst.width) {
2506 /* height needs less upscaling/more downscaling */
2507 dst.width = src.width *
2508 dst.height / src.height;
2510 /* width needs less upscaling/more downscaling */
2511 dst.height = src.height *
2512 dst.width / src.width;
2514 } else if (rmx_type == RMX_CENTER) {
2518 dst.x = (stream->timing.h_addressable - dst.width) / 2;
2519 dst.y = (stream->timing.v_addressable - dst.height) / 2;
2521 if (dm_state->underscan_enable) {
2522 dst.x += dm_state->underscan_hborder / 2;
2523 dst.y += dm_state->underscan_vborder / 2;
2524 dst.width -= dm_state->underscan_hborder;
2525 dst.height -= dm_state->underscan_vborder;
2532 DRM_DEBUG_DRIVER("Destination Rectangle x:%d y:%d width:%d height:%d\n",
2533 dst.x, dst.y, dst.width, dst.height);
2537 static enum dc_color_depth
2538 convert_color_depth_from_display_info(const struct drm_connector *connector)
2540 struct dm_connector_state *dm_conn_state =
2541 to_dm_connector_state(connector->state);
2542 uint32_t bpc = connector->display_info.bpc;
2544 /* TODO: Remove this when there's support for max_bpc in drm */
2545 if (dm_conn_state && bpc > dm_conn_state->max_bpc)
2546 /* Round down to nearest even number. */
2547 bpc = dm_conn_state->max_bpc - (dm_conn_state->max_bpc & 1);
2552 * Temporary Work around, DRM doesn't parse color depth for
2553 * EDID revision before 1.4
2554 * TODO: Fix edid parsing
2556 return COLOR_DEPTH_888;
2558 return COLOR_DEPTH_666;
2560 return COLOR_DEPTH_888;
2562 return COLOR_DEPTH_101010;
2564 return COLOR_DEPTH_121212;
2566 return COLOR_DEPTH_141414;
2568 return COLOR_DEPTH_161616;
2570 return COLOR_DEPTH_UNDEFINED;
2574 static enum dc_aspect_ratio
2575 get_aspect_ratio(const struct drm_display_mode *mode_in)
2577 /* 1-1 mapping, since both enums follow the HDMI spec. */
2578 return (enum dc_aspect_ratio) mode_in->picture_aspect_ratio;
2581 static enum dc_color_space
2582 get_output_color_space(const struct dc_crtc_timing *dc_crtc_timing)
2584 enum dc_color_space color_space = COLOR_SPACE_SRGB;
2586 switch (dc_crtc_timing->pixel_encoding) {
2587 case PIXEL_ENCODING_YCBCR422:
2588 case PIXEL_ENCODING_YCBCR444:
2589 case PIXEL_ENCODING_YCBCR420:
2592 * 27030khz is the separation point between HDTV and SDTV
2593 * according to HDMI spec, we use YCbCr709 and YCbCr601
2596 if (dc_crtc_timing->pix_clk_khz > 27030) {
2597 if (dc_crtc_timing->flags.Y_ONLY)
2599 COLOR_SPACE_YCBCR709_LIMITED;
2601 color_space = COLOR_SPACE_YCBCR709;
2603 if (dc_crtc_timing->flags.Y_ONLY)
2605 COLOR_SPACE_YCBCR601_LIMITED;
2607 color_space = COLOR_SPACE_YCBCR601;
2612 case PIXEL_ENCODING_RGB:
2613 color_space = COLOR_SPACE_SRGB;
2624 static void reduce_mode_colour_depth(struct dc_crtc_timing *timing_out)
2626 if (timing_out->display_color_depth <= COLOR_DEPTH_888)
2629 timing_out->display_color_depth--;
2632 static void adjust_colour_depth_from_display_info(struct dc_crtc_timing *timing_out,
2633 const struct drm_display_info *info)
2636 if (timing_out->display_color_depth <= COLOR_DEPTH_888)
2639 normalized_clk = timing_out->pix_clk_khz;
2640 /* YCbCr 4:2:0 requires additional adjustment of 1/2 */
2641 if (timing_out->pixel_encoding == PIXEL_ENCODING_YCBCR420)
2642 normalized_clk /= 2;
2643 /* Adjusting pix clock following on HDMI spec based on colour depth */
2644 switch (timing_out->display_color_depth) {
2645 case COLOR_DEPTH_101010:
2646 normalized_clk = (normalized_clk * 30) / 24;
2648 case COLOR_DEPTH_121212:
2649 normalized_clk = (normalized_clk * 36) / 24;
2651 case COLOR_DEPTH_161616:
2652 normalized_clk = (normalized_clk * 48) / 24;
2657 if (normalized_clk <= info->max_tmds_clock)
2659 reduce_mode_colour_depth(timing_out);
2661 } while (timing_out->display_color_depth > COLOR_DEPTH_888);
2666 fill_stream_properties_from_drm_display_mode(struct dc_stream_state *stream,
2667 const struct drm_display_mode *mode_in,
2668 const struct drm_connector *connector,
2669 const struct dc_stream_state *old_stream)
2671 struct dc_crtc_timing *timing_out = &stream->timing;
2672 const struct drm_display_info *info = &connector->display_info;
2674 memset(timing_out, 0, sizeof(struct dc_crtc_timing));
2676 timing_out->h_border_left = 0;
2677 timing_out->h_border_right = 0;
2678 timing_out->v_border_top = 0;
2679 timing_out->v_border_bottom = 0;
2680 /* TODO: un-hardcode */
2681 if (drm_mode_is_420_only(info, mode_in)
2682 && stream->sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A)
2683 timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR420;
2684 else if ((connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB444)
2685 && stream->sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A)
2686 timing_out->pixel_encoding = PIXEL_ENCODING_YCBCR444;
2688 timing_out->pixel_encoding = PIXEL_ENCODING_RGB;
2690 timing_out->timing_3d_format = TIMING_3D_FORMAT_NONE;
2691 timing_out->display_color_depth = convert_color_depth_from_display_info(
2693 timing_out->scan_type = SCANNING_TYPE_NODATA;
2694 timing_out->hdmi_vic = 0;
2697 timing_out->vic = old_stream->timing.vic;
2698 timing_out->flags.HSYNC_POSITIVE_POLARITY = old_stream->timing.flags.HSYNC_POSITIVE_POLARITY;
2699 timing_out->flags.VSYNC_POSITIVE_POLARITY = old_stream->timing.flags.VSYNC_POSITIVE_POLARITY;
2701 timing_out->vic = drm_match_cea_mode(mode_in);
2702 if (mode_in->flags & DRM_MODE_FLAG_PHSYNC)
2703 timing_out->flags.HSYNC_POSITIVE_POLARITY = 1;
2704 if (mode_in->flags & DRM_MODE_FLAG_PVSYNC)
2705 timing_out->flags.VSYNC_POSITIVE_POLARITY = 1;
2708 timing_out->h_addressable = mode_in->crtc_hdisplay;
2709 timing_out->h_total = mode_in->crtc_htotal;
2710 timing_out->h_sync_width =
2711 mode_in->crtc_hsync_end - mode_in->crtc_hsync_start;
2712 timing_out->h_front_porch =
2713 mode_in->crtc_hsync_start - mode_in->crtc_hdisplay;
2714 timing_out->v_total = mode_in->crtc_vtotal;
2715 timing_out->v_addressable = mode_in->crtc_vdisplay;
2716 timing_out->v_front_porch =
2717 mode_in->crtc_vsync_start - mode_in->crtc_vdisplay;
2718 timing_out->v_sync_width =
2719 mode_in->crtc_vsync_end - mode_in->crtc_vsync_start;
2720 timing_out->pix_clk_khz = mode_in->crtc_clock;
2721 timing_out->aspect_ratio = get_aspect_ratio(mode_in);
2723 stream->output_color_space = get_output_color_space(timing_out);
2725 stream->out_transfer_func->type = TF_TYPE_PREDEFINED;
2726 stream->out_transfer_func->tf = TRANSFER_FUNCTION_SRGB;
2727 if (stream->sink->sink_signal == SIGNAL_TYPE_HDMI_TYPE_A)
2728 adjust_colour_depth_from_display_info(timing_out, info);
2731 static void fill_audio_info(struct audio_info *audio_info,
2732 const struct drm_connector *drm_connector,
2733 const struct dc_sink *dc_sink)
2736 int cea_revision = 0;
2737 const struct dc_edid_caps *edid_caps = &dc_sink->edid_caps;
2739 audio_info->manufacture_id = edid_caps->manufacturer_id;
2740 audio_info->product_id = edid_caps->product_id;
2742 cea_revision = drm_connector->display_info.cea_rev;
2744 strscpy(audio_info->display_name,
2745 edid_caps->display_name,
2746 AUDIO_INFO_DISPLAY_NAME_SIZE_IN_CHARS);
2748 if (cea_revision >= 3) {
2749 audio_info->mode_count = edid_caps->audio_mode_count;
2751 for (i = 0; i < audio_info->mode_count; ++i) {
2752 audio_info->modes[i].format_code =
2753 (enum audio_format_code)
2754 (edid_caps->audio_modes[i].format_code);
2755 audio_info->modes[i].channel_count =
2756 edid_caps->audio_modes[i].channel_count;
2757 audio_info->modes[i].sample_rates.all =
2758 edid_caps->audio_modes[i].sample_rate;
2759 audio_info->modes[i].sample_size =
2760 edid_caps->audio_modes[i].sample_size;
2764 audio_info->flags.all = edid_caps->speaker_flags;
2766 /* TODO: We only check for the progressive mode, check for interlace mode too */
2767 if (drm_connector->latency_present[0]) {
2768 audio_info->video_latency = drm_connector->video_latency[0];
2769 audio_info->audio_latency = drm_connector->audio_latency[0];
2772 /* TODO: For DP, video and audio latency should be calculated from DPCD caps */
2777 copy_crtc_timing_for_drm_display_mode(const struct drm_display_mode *src_mode,
2778 struct drm_display_mode *dst_mode)
2780 dst_mode->crtc_hdisplay = src_mode->crtc_hdisplay;
2781 dst_mode->crtc_vdisplay = src_mode->crtc_vdisplay;
2782 dst_mode->crtc_clock = src_mode->crtc_clock;
2783 dst_mode->crtc_hblank_start = src_mode->crtc_hblank_start;
2784 dst_mode->crtc_hblank_end = src_mode->crtc_hblank_end;
2785 dst_mode->crtc_hsync_start = src_mode->crtc_hsync_start;
2786 dst_mode->crtc_hsync_end = src_mode->crtc_hsync_end;
2787 dst_mode->crtc_htotal = src_mode->crtc_htotal;
2788 dst_mode->crtc_hskew = src_mode->crtc_hskew;
2789 dst_mode->crtc_vblank_start = src_mode->crtc_vblank_start;
2790 dst_mode->crtc_vblank_end = src_mode->crtc_vblank_end;
2791 dst_mode->crtc_vsync_start = src_mode->crtc_vsync_start;
2792 dst_mode->crtc_vsync_end = src_mode->crtc_vsync_end;
2793 dst_mode->crtc_vtotal = src_mode->crtc_vtotal;
2797 decide_crtc_timing_for_drm_display_mode(struct drm_display_mode *drm_mode,
2798 const struct drm_display_mode *native_mode,
2801 if (scale_enabled) {
2802 copy_crtc_timing_for_drm_display_mode(native_mode, drm_mode);
2803 } else if (native_mode->clock == drm_mode->clock &&
2804 native_mode->htotal == drm_mode->htotal &&
2805 native_mode->vtotal == drm_mode->vtotal) {
2806 copy_crtc_timing_for_drm_display_mode(native_mode, drm_mode);
2808 /* no scaling nor amdgpu inserted, no need to patch */
2812 static struct dc_sink *
2813 create_fake_sink(struct amdgpu_dm_connector *aconnector)
2815 struct dc_sink_init_data sink_init_data = { 0 };
2816 struct dc_sink *sink = NULL;
2817 sink_init_data.link = aconnector->dc_link;
2818 sink_init_data.sink_signal = aconnector->dc_link->connector_signal;
2820 sink = dc_sink_create(&sink_init_data);
2822 DRM_ERROR("Failed to create sink!\n");
2825 sink->sink_signal = SIGNAL_TYPE_VIRTUAL;
2830 static void set_multisync_trigger_params(
2831 struct dc_stream_state *stream)
2833 if (stream->triggered_crtc_reset.enabled) {
2834 stream->triggered_crtc_reset.event = CRTC_EVENT_VSYNC_RISING;
2835 stream->triggered_crtc_reset.delay = TRIGGER_DELAY_NEXT_LINE;
2839 static void set_master_stream(struct dc_stream_state *stream_set[],
2842 int j, highest_rfr = 0, master_stream = 0;
2844 for (j = 0; j < stream_count; j++) {
2845 if (stream_set[j] && stream_set[j]->triggered_crtc_reset.enabled) {
2846 int refresh_rate = 0;
2848 refresh_rate = (stream_set[j]->timing.pix_clk_khz*1000)/
2849 (stream_set[j]->timing.h_total*stream_set[j]->timing.v_total);
2850 if (refresh_rate > highest_rfr) {
2851 highest_rfr = refresh_rate;
2856 for (j = 0; j < stream_count; j++) {
2858 stream_set[j]->triggered_crtc_reset.event_source = stream_set[master_stream];
2862 static void dm_enable_per_frame_crtc_master_sync(struct dc_state *context)
2866 if (context->stream_count < 2)
2868 for (i = 0; i < context->stream_count ; i++) {
2869 if (!context->streams[i])
2872 * TODO: add a function to read AMD VSDB bits and set
2873 * crtc_sync_master.multi_sync_enabled flag
2874 * For now it's set to false
2876 set_multisync_trigger_params(context->streams[i]);
2878 set_master_stream(context->streams, context->stream_count);
2881 static struct dc_stream_state *
2882 create_stream_for_sink(struct amdgpu_dm_connector *aconnector,
2883 const struct drm_display_mode *drm_mode,
2884 const struct dm_connector_state *dm_state,
2885 const struct dc_stream_state *old_stream)
2887 struct drm_display_mode *preferred_mode = NULL;
2888 struct drm_connector *drm_connector;
2889 struct dc_stream_state *stream = NULL;
2890 struct drm_display_mode mode = *drm_mode;
2891 bool native_mode_found = false;
2892 bool scale = dm_state ? (dm_state->scaling != RMX_OFF) : false;
2894 int preferred_refresh = 0;
2896 struct dc_sink *sink = NULL;
2897 if (aconnector == NULL) {
2898 DRM_ERROR("aconnector is NULL!\n");
2902 drm_connector = &aconnector->base;
2904 if (!aconnector->dc_sink) {
2905 if (!aconnector->mst_port) {
2906 sink = create_fake_sink(aconnector);
2911 sink = aconnector->dc_sink;
2914 stream = dc_create_stream_for_sink(sink);
2916 if (stream == NULL) {
2917 DRM_ERROR("Failed to create stream for sink!\n");
2921 list_for_each_entry(preferred_mode, &aconnector->base.modes, head) {
2922 /* Search for preferred mode */
2923 if (preferred_mode->type & DRM_MODE_TYPE_PREFERRED) {
2924 native_mode_found = true;
2928 if (!native_mode_found)
2929 preferred_mode = list_first_entry_or_null(
2930 &aconnector->base.modes,
2931 struct drm_display_mode,
2934 mode_refresh = drm_mode_vrefresh(&mode);
2936 if (preferred_mode == NULL) {
2938 * This may not be an error, the use case is when we have no
2939 * usermode calls to reset and set mode upon hotplug. In this
2940 * case, we call set mode ourselves to restore the previous mode
2941 * and the modelist may not be filled in in time.
2943 DRM_DEBUG_DRIVER("No preferred mode found\n");
2945 decide_crtc_timing_for_drm_display_mode(
2946 &mode, preferred_mode,
2947 dm_state ? (dm_state->scaling != RMX_OFF) : false);
2948 preferred_refresh = drm_mode_vrefresh(preferred_mode);
2952 drm_mode_set_crtcinfo(&mode, 0);
2955 * If scaling is enabled and refresh rate didn't change
2956 * we copy the vic and polarities of the old timings
2958 if (!scale || mode_refresh != preferred_refresh)
2959 fill_stream_properties_from_drm_display_mode(stream,
2960 &mode, &aconnector->base, NULL);
2962 fill_stream_properties_from_drm_display_mode(stream,
2963 &mode, &aconnector->base, old_stream);
2965 update_stream_scaling_settings(&mode, dm_state, stream);
2968 &stream->audio_info,
2972 update_stream_signal(stream);
2974 if (dm_state && dm_state->freesync_capable)
2975 stream->ignore_msa_timing_param = true;
2978 if (sink && sink->sink_signal == SIGNAL_TYPE_VIRTUAL && aconnector->base.force != DRM_FORCE_ON)
2979 dc_sink_release(sink);
2984 static void amdgpu_dm_crtc_destroy(struct drm_crtc *crtc)
2986 drm_crtc_cleanup(crtc);
2990 static void dm_crtc_destroy_state(struct drm_crtc *crtc,
2991 struct drm_crtc_state *state)
2993 struct dm_crtc_state *cur = to_dm_crtc_state(state);
2995 /* TODO Destroy dc_stream objects are stream object is flattened */
2997 dc_stream_release(cur->stream);
3000 __drm_atomic_helper_crtc_destroy_state(state);
3006 static void dm_crtc_reset_state(struct drm_crtc *crtc)
3008 struct dm_crtc_state *state;
3011 dm_crtc_destroy_state(crtc, crtc->state);
3013 state = kzalloc(sizeof(*state), GFP_KERNEL);
3014 if (WARN_ON(!state))
3017 crtc->state = &state->base;
3018 crtc->state->crtc = crtc;
3022 static struct drm_crtc_state *
3023 dm_crtc_duplicate_state(struct drm_crtc *crtc)
3025 struct dm_crtc_state *state, *cur;
3027 cur = to_dm_crtc_state(crtc->state);
3029 if (WARN_ON(!crtc->state))
3032 state = kzalloc(sizeof(*state), GFP_KERNEL);
3036 __drm_atomic_helper_crtc_duplicate_state(crtc, &state->base);
3039 state->stream = cur->stream;
3040 dc_stream_retain(state->stream);
3043 state->vrr_params = cur->vrr_params;
3044 state->vrr_infopacket = cur->vrr_infopacket;
3045 state->abm_level = cur->abm_level;
3046 state->vrr_supported = cur->vrr_supported;
3047 state->freesync_config = cur->freesync_config;
3048 state->crc_enabled = cur->crc_enabled;
3050 /* TODO Duplicate dc_stream after objects are stream object is flattened */
3052 return &state->base;
3056 static inline int dm_set_vblank(struct drm_crtc *crtc, bool enable)
3058 enum dc_irq_source irq_source;
3059 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
3060 struct amdgpu_device *adev = crtc->dev->dev_private;
3062 irq_source = IRQ_TYPE_VBLANK + acrtc->otg_inst;
3063 return dc_interrupt_set(adev->dm.dc, irq_source, enable) ? 0 : -EBUSY;
3066 static int dm_enable_vblank(struct drm_crtc *crtc)
3068 return dm_set_vblank(crtc, true);
3071 static void dm_disable_vblank(struct drm_crtc *crtc)
3073 dm_set_vblank(crtc, false);
3076 /* Implemented only the options currently availible for the driver */
3077 static const struct drm_crtc_funcs amdgpu_dm_crtc_funcs = {
3078 .reset = dm_crtc_reset_state,
3079 .destroy = amdgpu_dm_crtc_destroy,
3080 .gamma_set = drm_atomic_helper_legacy_gamma_set,
3081 .set_config = drm_atomic_helper_set_config,
3082 .page_flip = drm_atomic_helper_page_flip,
3083 .atomic_duplicate_state = dm_crtc_duplicate_state,
3084 .atomic_destroy_state = dm_crtc_destroy_state,
3085 .set_crc_source = amdgpu_dm_crtc_set_crc_source,
3086 .verify_crc_source = amdgpu_dm_crtc_verify_crc_source,
3087 .enable_vblank = dm_enable_vblank,
3088 .disable_vblank = dm_disable_vblank,
3091 static enum drm_connector_status
3092 amdgpu_dm_connector_detect(struct drm_connector *connector, bool force)
3095 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
3099 * 1. This interface is NOT called in context of HPD irq.
3100 * 2. This interface *is called* in context of user-mode ioctl. Which
3101 * makes it a bad place for *any* MST-related activity.
3104 if (aconnector->base.force == DRM_FORCE_UNSPECIFIED &&
3105 !aconnector->fake_enable)
3106 connected = (aconnector->dc_sink != NULL);
3108 connected = (aconnector->base.force == DRM_FORCE_ON);
3110 return (connected ? connector_status_connected :
3111 connector_status_disconnected);
3114 int amdgpu_dm_connector_atomic_set_property(struct drm_connector *connector,
3115 struct drm_connector_state *connector_state,
3116 struct drm_property *property,
3119 struct drm_device *dev = connector->dev;
3120 struct amdgpu_device *adev = dev->dev_private;
3121 struct dm_connector_state *dm_old_state =
3122 to_dm_connector_state(connector->state);
3123 struct dm_connector_state *dm_new_state =
3124 to_dm_connector_state(connector_state);
3128 if (property == dev->mode_config.scaling_mode_property) {
3129 enum amdgpu_rmx_type rmx_type;
3132 case DRM_MODE_SCALE_CENTER:
3133 rmx_type = RMX_CENTER;
3135 case DRM_MODE_SCALE_ASPECT:
3136 rmx_type = RMX_ASPECT;
3138 case DRM_MODE_SCALE_FULLSCREEN:
3139 rmx_type = RMX_FULL;
3141 case DRM_MODE_SCALE_NONE:
3147 if (dm_old_state->scaling == rmx_type)
3150 dm_new_state->scaling = rmx_type;
3152 } else if (property == adev->mode_info.underscan_hborder_property) {
3153 dm_new_state->underscan_hborder = val;
3155 } else if (property == adev->mode_info.underscan_vborder_property) {
3156 dm_new_state->underscan_vborder = val;
3158 } else if (property == adev->mode_info.underscan_property) {
3159 dm_new_state->underscan_enable = val;
3161 } else if (property == adev->mode_info.max_bpc_property) {
3162 dm_new_state->max_bpc = val;
3164 } else if (property == adev->mode_info.abm_level_property) {
3165 dm_new_state->abm_level = val;
3172 int amdgpu_dm_connector_atomic_get_property(struct drm_connector *connector,
3173 const struct drm_connector_state *state,
3174 struct drm_property *property,
3177 struct drm_device *dev = connector->dev;
3178 struct amdgpu_device *adev = dev->dev_private;
3179 struct dm_connector_state *dm_state =
3180 to_dm_connector_state(state);
3183 if (property == dev->mode_config.scaling_mode_property) {
3184 switch (dm_state->scaling) {
3186 *val = DRM_MODE_SCALE_CENTER;
3189 *val = DRM_MODE_SCALE_ASPECT;
3192 *val = DRM_MODE_SCALE_FULLSCREEN;
3196 *val = DRM_MODE_SCALE_NONE;
3200 } else if (property == adev->mode_info.underscan_hborder_property) {
3201 *val = dm_state->underscan_hborder;
3203 } else if (property == adev->mode_info.underscan_vborder_property) {
3204 *val = dm_state->underscan_vborder;
3206 } else if (property == adev->mode_info.underscan_property) {
3207 *val = dm_state->underscan_enable;
3209 } else if (property == adev->mode_info.max_bpc_property) {
3210 *val = dm_state->max_bpc;
3212 } else if (property == adev->mode_info.abm_level_property) {
3213 *val = dm_state->abm_level;
3220 static void amdgpu_dm_connector_destroy(struct drm_connector *connector)
3222 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
3223 const struct dc_link *link = aconnector->dc_link;
3224 struct amdgpu_device *adev = connector->dev->dev_private;
3225 struct amdgpu_display_manager *dm = &adev->dm;
3227 #if defined(CONFIG_BACKLIGHT_CLASS_DEVICE) ||\
3228 defined(CONFIG_BACKLIGHT_CLASS_DEVICE_MODULE)
3230 if ((link->connector_signal & (SIGNAL_TYPE_EDP | SIGNAL_TYPE_LVDS)) &&
3231 link->type != dc_connection_none &&
3232 dm->backlight_dev) {
3233 backlight_device_unregister(dm->backlight_dev);
3234 dm->backlight_dev = NULL;
3237 drm_dp_cec_unregister_connector(&aconnector->dm_dp_aux.aux);
3238 drm_connector_unregister(connector);
3239 drm_connector_cleanup(connector);
3243 void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector)
3245 struct dm_connector_state *state =
3246 to_dm_connector_state(connector->state);
3248 if (connector->state)
3249 __drm_atomic_helper_connector_destroy_state(connector->state);
3253 state = kzalloc(sizeof(*state), GFP_KERNEL);
3256 state->scaling = RMX_OFF;
3257 state->underscan_enable = false;
3258 state->underscan_hborder = 0;
3259 state->underscan_vborder = 0;
3262 __drm_atomic_helper_connector_reset(connector, &state->base);
3266 struct drm_connector_state *
3267 amdgpu_dm_connector_atomic_duplicate_state(struct drm_connector *connector)
3269 struct dm_connector_state *state =
3270 to_dm_connector_state(connector->state);
3272 struct dm_connector_state *new_state =
3273 kmemdup(state, sizeof(*state), GFP_KERNEL);
3278 __drm_atomic_helper_connector_duplicate_state(connector, &new_state->base);
3280 new_state->freesync_capable = state->freesync_capable;
3281 new_state->abm_level = state->abm_level;
3282 new_state->scaling = state->scaling;
3283 new_state->underscan_enable = state->underscan_enable;
3284 new_state->underscan_hborder = state->underscan_hborder;
3285 new_state->underscan_vborder = state->underscan_vborder;
3286 new_state->max_bpc = state->max_bpc;
3288 return &new_state->base;
3291 static const struct drm_connector_funcs amdgpu_dm_connector_funcs = {
3292 .reset = amdgpu_dm_connector_funcs_reset,
3293 .detect = amdgpu_dm_connector_detect,
3294 .fill_modes = drm_helper_probe_single_connector_modes,
3295 .destroy = amdgpu_dm_connector_destroy,
3296 .atomic_duplicate_state = amdgpu_dm_connector_atomic_duplicate_state,
3297 .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
3298 .atomic_set_property = amdgpu_dm_connector_atomic_set_property,
3299 .atomic_get_property = amdgpu_dm_connector_atomic_get_property
3302 static int get_modes(struct drm_connector *connector)
3304 return amdgpu_dm_connector_get_modes(connector);
3307 static void create_eml_sink(struct amdgpu_dm_connector *aconnector)
3309 struct dc_sink_init_data init_params = {
3310 .link = aconnector->dc_link,
3311 .sink_signal = SIGNAL_TYPE_VIRTUAL
3315 if (!aconnector->base.edid_blob_ptr) {
3316 DRM_ERROR("No EDID firmware found on connector: %s ,forcing to OFF!\n",
3317 aconnector->base.name);
3319 aconnector->base.force = DRM_FORCE_OFF;
3320 aconnector->base.override_edid = false;
3324 edid = (struct edid *) aconnector->base.edid_blob_ptr->data;
3326 aconnector->edid = edid;
3328 aconnector->dc_em_sink = dc_link_add_remote_sink(
3329 aconnector->dc_link,
3331 (edid->extensions + 1) * EDID_LENGTH,
3334 if (aconnector->base.force == DRM_FORCE_ON)
3335 aconnector->dc_sink = aconnector->dc_link->local_sink ?
3336 aconnector->dc_link->local_sink :
3337 aconnector->dc_em_sink;
3340 static void handle_edid_mgmt(struct amdgpu_dm_connector *aconnector)
3342 struct dc_link *link = (struct dc_link *)aconnector->dc_link;
3345 * In case of headless boot with force on for DP managed connector
3346 * Those settings have to be != 0 to get initial modeset
3348 if (link->connector_signal == SIGNAL_TYPE_DISPLAY_PORT) {
3349 link->verified_link_cap.lane_count = LANE_COUNT_FOUR;
3350 link->verified_link_cap.link_rate = LINK_RATE_HIGH2;
3354 aconnector->base.override_edid = true;
3355 create_eml_sink(aconnector);
3358 enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connector,
3359 struct drm_display_mode *mode)
3361 int result = MODE_ERROR;
3362 struct dc_sink *dc_sink;
3363 struct amdgpu_device *adev = connector->dev->dev_private;
3364 /* TODO: Unhardcode stream count */
3365 struct dc_stream_state *stream;
3366 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
3367 enum dc_status dc_result = DC_OK;
3369 if ((mode->flags & DRM_MODE_FLAG_INTERLACE) ||
3370 (mode->flags & DRM_MODE_FLAG_DBLSCAN))
3374 * Only run this the first time mode_valid is called to initilialize
3377 if (aconnector->base.force != DRM_FORCE_UNSPECIFIED &&
3378 !aconnector->dc_em_sink)
3379 handle_edid_mgmt(aconnector);
3381 dc_sink = to_amdgpu_dm_connector(connector)->dc_sink;
3383 if (dc_sink == NULL) {
3384 DRM_ERROR("dc_sink is NULL!\n");
3388 stream = create_stream_for_sink(aconnector, mode, NULL, NULL);
3389 if (stream == NULL) {
3390 DRM_ERROR("Failed to create stream for sink!\n");
3394 dc_result = dc_validate_stream(adev->dm.dc, stream);
3396 if (dc_result == DC_OK)
3399 DRM_DEBUG_KMS("Mode %dx%d (clk %d) failed DC validation with error %d\n",
3405 dc_stream_release(stream);
3408 /* TODO: error handling*/
3412 static const struct drm_connector_helper_funcs
3413 amdgpu_dm_connector_helper_funcs = {
3415 * If hotplugging a second bigger display in FB Con mode, bigger resolution
3416 * modes will be filtered by drm_mode_validate_size(), and those modes
3417 * are missing after user start lightdm. So we need to renew modes list.
3418 * in get_modes call back, not just return the modes count
3420 .get_modes = get_modes,
3421 .mode_valid = amdgpu_dm_connector_mode_valid,
3424 static void dm_crtc_helper_disable(struct drm_crtc *crtc)
3428 static int dm_crtc_helper_atomic_check(struct drm_crtc *crtc,
3429 struct drm_crtc_state *state)
3431 struct amdgpu_device *adev = crtc->dev->dev_private;
3432 struct dc *dc = adev->dm.dc;
3433 struct dm_crtc_state *dm_crtc_state = to_dm_crtc_state(state);
3436 if (unlikely(!dm_crtc_state->stream &&
3437 modeset_required(state, NULL, dm_crtc_state->stream))) {
3442 /* In some use cases, like reset, no stream is attached */
3443 if (!dm_crtc_state->stream)
3446 if (dc_validate_stream(dc, dm_crtc_state->stream) == DC_OK)
3452 static bool dm_crtc_helper_mode_fixup(struct drm_crtc *crtc,
3453 const struct drm_display_mode *mode,
3454 struct drm_display_mode *adjusted_mode)
3459 static const struct drm_crtc_helper_funcs amdgpu_dm_crtc_helper_funcs = {
3460 .disable = dm_crtc_helper_disable,
3461 .atomic_check = dm_crtc_helper_atomic_check,
3462 .mode_fixup = dm_crtc_helper_mode_fixup
3465 static void dm_encoder_helper_disable(struct drm_encoder *encoder)
3470 static int dm_encoder_helper_atomic_check(struct drm_encoder *encoder,
3471 struct drm_crtc_state *crtc_state,
3472 struct drm_connector_state *conn_state)
3477 const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs = {
3478 .disable = dm_encoder_helper_disable,
3479 .atomic_check = dm_encoder_helper_atomic_check
3482 static void dm_drm_plane_reset(struct drm_plane *plane)
3484 struct dm_plane_state *amdgpu_state = NULL;
3487 plane->funcs->atomic_destroy_state(plane, plane->state);
3489 amdgpu_state = kzalloc(sizeof(*amdgpu_state), GFP_KERNEL);
3490 WARN_ON(amdgpu_state == NULL);
3493 plane->state = &amdgpu_state->base;
3494 plane->state->plane = plane;
3495 plane->state->rotation = DRM_MODE_ROTATE_0;
3499 static struct drm_plane_state *
3500 dm_drm_plane_duplicate_state(struct drm_plane *plane)
3502 struct dm_plane_state *dm_plane_state, *old_dm_plane_state;
3504 old_dm_plane_state = to_dm_plane_state(plane->state);
3505 dm_plane_state = kzalloc(sizeof(*dm_plane_state), GFP_KERNEL);
3506 if (!dm_plane_state)
3509 __drm_atomic_helper_plane_duplicate_state(plane, &dm_plane_state->base);
3511 if (old_dm_plane_state->dc_state) {
3512 dm_plane_state->dc_state = old_dm_plane_state->dc_state;
3513 dc_plane_state_retain(dm_plane_state->dc_state);
3516 return &dm_plane_state->base;
3519 void dm_drm_plane_destroy_state(struct drm_plane *plane,
3520 struct drm_plane_state *state)
3522 struct dm_plane_state *dm_plane_state = to_dm_plane_state(state);
3524 if (dm_plane_state->dc_state)
3525 dc_plane_state_release(dm_plane_state->dc_state);
3527 drm_atomic_helper_plane_destroy_state(plane, state);
3530 static const struct drm_plane_funcs dm_plane_funcs = {
3531 .update_plane = drm_atomic_helper_update_plane,
3532 .disable_plane = drm_atomic_helper_disable_plane,
3533 .destroy = drm_primary_helper_destroy,
3534 .reset = dm_drm_plane_reset,
3535 .atomic_duplicate_state = dm_drm_plane_duplicate_state,
3536 .atomic_destroy_state = dm_drm_plane_destroy_state,
3539 static int dm_plane_helper_prepare_fb(struct drm_plane *plane,
3540 struct drm_plane_state *new_state)
3542 struct amdgpu_framebuffer *afb;
3543 struct drm_gem_object *obj;
3544 struct amdgpu_device *adev;
3545 struct amdgpu_bo *rbo;
3546 uint64_t chroma_addr = 0;
3547 struct dm_plane_state *dm_plane_state_new, *dm_plane_state_old;
3548 unsigned int awidth;
3552 dm_plane_state_old = to_dm_plane_state(plane->state);
3553 dm_plane_state_new = to_dm_plane_state(new_state);
3555 if (!new_state->fb) {
3556 DRM_DEBUG_DRIVER("No FB bound\n");
3560 afb = to_amdgpu_framebuffer(new_state->fb);
3561 obj = new_state->fb->obj[0];
3562 rbo = gem_to_amdgpu_bo(obj);
3563 adev = amdgpu_ttm_adev(rbo->tbo.bdev);
3564 r = amdgpu_bo_reserve(rbo, false);
3565 if (unlikely(r != 0))
3568 if (plane->type != DRM_PLANE_TYPE_CURSOR)
3569 domain = amdgpu_display_supported_domains(adev);
3571 domain = AMDGPU_GEM_DOMAIN_VRAM;
3573 r = amdgpu_bo_pin(rbo, domain);
3574 if (unlikely(r != 0)) {
3575 if (r != -ERESTARTSYS)
3576 DRM_ERROR("Failed to pin framebuffer with error %d\n", r);
3577 amdgpu_bo_unreserve(rbo);
3581 r = amdgpu_ttm_alloc_gart(&rbo->tbo);
3582 if (unlikely(r != 0)) {
3583 amdgpu_bo_unpin(rbo);
3584 amdgpu_bo_unreserve(rbo);
3585 DRM_ERROR("%p bind failed\n", rbo);
3588 amdgpu_bo_unreserve(rbo);
3590 afb->address = amdgpu_bo_gpu_offset(rbo);
3594 if (dm_plane_state_new->dc_state &&
3595 dm_plane_state_old->dc_state != dm_plane_state_new->dc_state) {
3596 struct dc_plane_state *plane_state = dm_plane_state_new->dc_state;
3598 if (plane_state->format < SURFACE_PIXEL_FORMAT_VIDEO_BEGIN) {
3599 plane_state->address.grph.addr.low_part = lower_32_bits(afb->address);
3600 plane_state->address.grph.addr.high_part = upper_32_bits(afb->address);
3602 awidth = ALIGN(new_state->fb->width, 64);
3603 plane_state->address.type = PLN_ADDR_TYPE_VIDEO_PROGRESSIVE;
3604 plane_state->address.video_progressive.luma_addr.low_part
3605 = lower_32_bits(afb->address);
3606 plane_state->address.video_progressive.luma_addr.high_part
3607 = upper_32_bits(afb->address);
3608 chroma_addr = afb->address + (u64)awidth * new_state->fb->height;
3609 plane_state->address.video_progressive.chroma_addr.low_part
3610 = lower_32_bits(chroma_addr);
3611 plane_state->address.video_progressive.chroma_addr.high_part
3612 = upper_32_bits(chroma_addr);
3619 static void dm_plane_helper_cleanup_fb(struct drm_plane *plane,
3620 struct drm_plane_state *old_state)
3622 struct amdgpu_bo *rbo;
3628 rbo = gem_to_amdgpu_bo(old_state->fb->obj[0]);
3629 r = amdgpu_bo_reserve(rbo, false);
3631 DRM_ERROR("failed to reserve rbo before unpin\n");
3635 amdgpu_bo_unpin(rbo);
3636 amdgpu_bo_unreserve(rbo);
3637 amdgpu_bo_unref(&rbo);
3640 static int dm_plane_atomic_check(struct drm_plane *plane,
3641 struct drm_plane_state *state)
3643 struct amdgpu_device *adev = plane->dev->dev_private;
3644 struct dc *dc = adev->dm.dc;
3645 struct dm_plane_state *dm_plane_state = to_dm_plane_state(state);
3647 if (!dm_plane_state->dc_state)
3650 if (!fill_rects_from_plane_state(state, dm_plane_state->dc_state))
3653 if (dc_validate_plane(dc, dm_plane_state->dc_state) == DC_OK)
3659 static int dm_plane_atomic_async_check(struct drm_plane *plane,
3660 struct drm_plane_state *new_plane_state)
3662 struct drm_plane_state *old_plane_state =
3663 drm_atomic_get_old_plane_state(new_plane_state->state, plane);
3665 /* Only support async updates on cursor planes. */
3666 if (plane->type != DRM_PLANE_TYPE_CURSOR)
3670 * DRM calls prepare_fb and cleanup_fb on new_plane_state for
3671 * async commits so don't allow fb changes.
3673 if (old_plane_state->fb != new_plane_state->fb)
3679 static void dm_plane_atomic_async_update(struct drm_plane *plane,
3680 struct drm_plane_state *new_state)
3682 struct drm_plane_state *old_state =
3683 drm_atomic_get_old_plane_state(new_state->state, plane);
3685 if (plane->state->fb != new_state->fb)
3686 drm_atomic_set_fb_for_plane(plane->state, new_state->fb);
3688 plane->state->src_x = new_state->src_x;
3689 plane->state->src_y = new_state->src_y;
3690 plane->state->src_w = new_state->src_w;
3691 plane->state->src_h = new_state->src_h;
3692 plane->state->crtc_x = new_state->crtc_x;
3693 plane->state->crtc_y = new_state->crtc_y;
3694 plane->state->crtc_w = new_state->crtc_w;
3695 plane->state->crtc_h = new_state->crtc_h;
3697 handle_cursor_update(plane, old_state);
3700 static const struct drm_plane_helper_funcs dm_plane_helper_funcs = {
3701 .prepare_fb = dm_plane_helper_prepare_fb,
3702 .cleanup_fb = dm_plane_helper_cleanup_fb,
3703 .atomic_check = dm_plane_atomic_check,
3704 .atomic_async_check = dm_plane_atomic_async_check,
3705 .atomic_async_update = dm_plane_atomic_async_update
3709 * TODO: these are currently initialized to rgb formats only.
3710 * For future use cases we should either initialize them dynamically based on
3711 * plane capabilities, or initialize this array to all formats, so internal drm
3712 * check will succeed, and let DC implement proper check
3714 static const uint32_t rgb_formats[] = {
3716 DRM_FORMAT_XRGB8888,
3717 DRM_FORMAT_ARGB8888,
3718 DRM_FORMAT_RGBA8888,
3719 DRM_FORMAT_XRGB2101010,
3720 DRM_FORMAT_XBGR2101010,
3721 DRM_FORMAT_ARGB2101010,
3722 DRM_FORMAT_ABGR2101010,
3723 DRM_FORMAT_XBGR8888,
3724 DRM_FORMAT_ABGR8888,
3727 static const uint32_t yuv_formats[] = {
3732 static const u32 cursor_formats[] = {
3736 static int amdgpu_dm_plane_init(struct amdgpu_display_manager *dm,
3737 struct drm_plane *plane,
3738 unsigned long possible_crtcs)
3742 switch (plane->type) {
3743 case DRM_PLANE_TYPE_PRIMARY:
3744 res = drm_universal_plane_init(
3750 ARRAY_SIZE(rgb_formats),
3751 NULL, plane->type, NULL);
3753 case DRM_PLANE_TYPE_OVERLAY:
3754 res = drm_universal_plane_init(
3760 ARRAY_SIZE(yuv_formats),
3761 NULL, plane->type, NULL);
3763 case DRM_PLANE_TYPE_CURSOR:
3764 res = drm_universal_plane_init(
3770 ARRAY_SIZE(cursor_formats),
3771 NULL, plane->type, NULL);
3775 drm_plane_helper_add(plane, &dm_plane_helper_funcs);
3777 /* Create (reset) the plane state */
3778 if (plane->funcs->reset)
3779 plane->funcs->reset(plane);
3785 static int amdgpu_dm_crtc_init(struct amdgpu_display_manager *dm,
3786 struct drm_plane *plane,
3787 uint32_t crtc_index)
3789 struct amdgpu_crtc *acrtc = NULL;
3790 struct drm_plane *cursor_plane;
3794 cursor_plane = kzalloc(sizeof(*cursor_plane), GFP_KERNEL);
3798 cursor_plane->type = DRM_PLANE_TYPE_CURSOR;
3799 res = amdgpu_dm_plane_init(dm, cursor_plane, 0);
3801 acrtc = kzalloc(sizeof(struct amdgpu_crtc), GFP_KERNEL);
3805 res = drm_crtc_init_with_planes(
3810 &amdgpu_dm_crtc_funcs, NULL);
3815 drm_crtc_helper_add(&acrtc->base, &amdgpu_dm_crtc_helper_funcs);
3817 /* Create (reset) the plane state */
3818 if (acrtc->base.funcs->reset)
3819 acrtc->base.funcs->reset(&acrtc->base);
3821 acrtc->max_cursor_width = dm->adev->dm.dc->caps.max_cursor_size;
3822 acrtc->max_cursor_height = dm->adev->dm.dc->caps.max_cursor_size;
3824 acrtc->crtc_id = crtc_index;
3825 acrtc->base.enabled = false;
3826 acrtc->otg_inst = -1;
3828 dm->adev->mode_info.crtcs[crtc_index] = acrtc;
3829 drm_crtc_enable_color_mgmt(&acrtc->base, MAX_COLOR_LUT_ENTRIES,
3830 true, MAX_COLOR_LUT_ENTRIES);
3831 drm_mode_crtc_set_gamma_size(&acrtc->base, MAX_COLOR_LEGACY_LUT_ENTRIES);
3837 kfree(cursor_plane);
3842 static int to_drm_connector_type(enum signal_type st)
3845 case SIGNAL_TYPE_HDMI_TYPE_A:
3846 return DRM_MODE_CONNECTOR_HDMIA;
3847 case SIGNAL_TYPE_EDP:
3848 return DRM_MODE_CONNECTOR_eDP;
3849 case SIGNAL_TYPE_LVDS:
3850 return DRM_MODE_CONNECTOR_LVDS;
3851 case SIGNAL_TYPE_RGB:
3852 return DRM_MODE_CONNECTOR_VGA;
3853 case SIGNAL_TYPE_DISPLAY_PORT:
3854 case SIGNAL_TYPE_DISPLAY_PORT_MST:
3855 return DRM_MODE_CONNECTOR_DisplayPort;
3856 case SIGNAL_TYPE_DVI_DUAL_LINK:
3857 case SIGNAL_TYPE_DVI_SINGLE_LINK:
3858 return DRM_MODE_CONNECTOR_DVID;
3859 case SIGNAL_TYPE_VIRTUAL:
3860 return DRM_MODE_CONNECTOR_VIRTUAL;
3863 return DRM_MODE_CONNECTOR_Unknown;
3867 static struct drm_encoder *amdgpu_dm_connector_to_encoder(struct drm_connector *connector)
3869 return drm_encoder_find(connector->dev, NULL, connector->encoder_ids[0]);
3872 static void amdgpu_dm_get_native_mode(struct drm_connector *connector)
3874 struct drm_encoder *encoder;
3875 struct amdgpu_encoder *amdgpu_encoder;
3877 encoder = amdgpu_dm_connector_to_encoder(connector);
3879 if (encoder == NULL)
3882 amdgpu_encoder = to_amdgpu_encoder(encoder);
3884 amdgpu_encoder->native_mode.clock = 0;
3886 if (!list_empty(&connector->probed_modes)) {
3887 struct drm_display_mode *preferred_mode = NULL;
3889 list_for_each_entry(preferred_mode,
3890 &connector->probed_modes,
3892 if (preferred_mode->type & DRM_MODE_TYPE_PREFERRED)
3893 amdgpu_encoder->native_mode = *preferred_mode;
3901 static struct drm_display_mode *
3902 amdgpu_dm_create_common_mode(struct drm_encoder *encoder,
3904 int hdisplay, int vdisplay)
3906 struct drm_device *dev = encoder->dev;
3907 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3908 struct drm_display_mode *mode = NULL;
3909 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
3911 mode = drm_mode_duplicate(dev, native_mode);
3916 mode->hdisplay = hdisplay;
3917 mode->vdisplay = vdisplay;
3918 mode->type &= ~DRM_MODE_TYPE_PREFERRED;
3919 strscpy(mode->name, name, DRM_DISPLAY_MODE_LEN);
3925 static void amdgpu_dm_connector_add_common_modes(struct drm_encoder *encoder,
3926 struct drm_connector *connector)
3928 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3929 struct drm_display_mode *mode = NULL;
3930 struct drm_display_mode *native_mode = &amdgpu_encoder->native_mode;
3931 struct amdgpu_dm_connector *amdgpu_dm_connector =
3932 to_amdgpu_dm_connector(connector);
3936 char name[DRM_DISPLAY_MODE_LEN];
3939 } common_modes[] = {
3940 { "640x480", 640, 480},
3941 { "800x600", 800, 600},
3942 { "1024x768", 1024, 768},
3943 { "1280x720", 1280, 720},
3944 { "1280x800", 1280, 800},
3945 {"1280x1024", 1280, 1024},
3946 { "1440x900", 1440, 900},
3947 {"1680x1050", 1680, 1050},
3948 {"1600x1200", 1600, 1200},
3949 {"1920x1080", 1920, 1080},
3950 {"1920x1200", 1920, 1200}
3953 n = ARRAY_SIZE(common_modes);
3955 for (i = 0; i < n; i++) {
3956 struct drm_display_mode *curmode = NULL;
3957 bool mode_existed = false;
3959 if (common_modes[i].w > native_mode->hdisplay ||
3960 common_modes[i].h > native_mode->vdisplay ||
3961 (common_modes[i].w == native_mode->hdisplay &&
3962 common_modes[i].h == native_mode->vdisplay))
3965 list_for_each_entry(curmode, &connector->probed_modes, head) {
3966 if (common_modes[i].w == curmode->hdisplay &&
3967 common_modes[i].h == curmode->vdisplay) {
3968 mode_existed = true;
3976 mode = amdgpu_dm_create_common_mode(encoder,
3977 common_modes[i].name, common_modes[i].w,
3979 drm_mode_probed_add(connector, mode);
3980 amdgpu_dm_connector->num_modes++;
3984 static void amdgpu_dm_connector_ddc_get_modes(struct drm_connector *connector,
3987 struct amdgpu_dm_connector *amdgpu_dm_connector =
3988 to_amdgpu_dm_connector(connector);
3991 /* empty probed_modes */
3992 INIT_LIST_HEAD(&connector->probed_modes);
3993 amdgpu_dm_connector->num_modes =
3994 drm_add_edid_modes(connector, edid);
3996 amdgpu_dm_get_native_mode(connector);
3998 amdgpu_dm_connector->num_modes = 0;
4002 static int amdgpu_dm_connector_get_modes(struct drm_connector *connector)
4004 struct amdgpu_dm_connector *amdgpu_dm_connector =
4005 to_amdgpu_dm_connector(connector);
4006 struct drm_encoder *encoder;
4007 struct edid *edid = amdgpu_dm_connector->edid;
4009 encoder = amdgpu_dm_connector_to_encoder(connector);
4011 if (!edid || !drm_edid_is_valid(edid)) {
4012 amdgpu_dm_connector->num_modes =
4013 drm_add_modes_noedid(connector, 640, 480);
4015 amdgpu_dm_connector_ddc_get_modes(connector, edid);
4016 amdgpu_dm_connector_add_common_modes(encoder, connector);
4018 amdgpu_dm_fbc_init(connector);
4020 return amdgpu_dm_connector->num_modes;
4023 void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm,
4024 struct amdgpu_dm_connector *aconnector,
4026 struct dc_link *link,
4029 struct amdgpu_device *adev = dm->ddev->dev_private;
4031 aconnector->connector_id = link_index;
4032 aconnector->dc_link = link;
4033 aconnector->base.interlace_allowed = false;
4034 aconnector->base.doublescan_allowed = false;
4035 aconnector->base.stereo_allowed = false;
4036 aconnector->base.dpms = DRM_MODE_DPMS_OFF;
4037 aconnector->hpd.hpd = AMDGPU_HPD_NONE; /* not used */
4038 mutex_init(&aconnector->hpd_lock);
4041 * configure support HPD hot plug connector_>polled default value is 0
4042 * which means HPD hot plug not supported
4044 switch (connector_type) {
4045 case DRM_MODE_CONNECTOR_HDMIA:
4046 aconnector->base.polled = DRM_CONNECTOR_POLL_HPD;
4047 aconnector->base.ycbcr_420_allowed =
4048 link->link_enc->features.hdmi_ycbcr420_supported ? true : false;
4050 case DRM_MODE_CONNECTOR_DisplayPort:
4051 aconnector->base.polled = DRM_CONNECTOR_POLL_HPD;
4052 aconnector->base.ycbcr_420_allowed =
4053 link->link_enc->features.dp_ycbcr420_supported ? true : false;
4055 case DRM_MODE_CONNECTOR_DVID:
4056 aconnector->base.polled = DRM_CONNECTOR_POLL_HPD;
4062 drm_object_attach_property(&aconnector->base.base,
4063 dm->ddev->mode_config.scaling_mode_property,
4064 DRM_MODE_SCALE_NONE);
4066 drm_object_attach_property(&aconnector->base.base,
4067 adev->mode_info.underscan_property,
4069 drm_object_attach_property(&aconnector->base.base,
4070 adev->mode_info.underscan_hborder_property,
4072 drm_object_attach_property(&aconnector->base.base,
4073 adev->mode_info.underscan_vborder_property,
4075 drm_object_attach_property(&aconnector->base.base,
4076 adev->mode_info.max_bpc_property,
4079 if (connector_type == DRM_MODE_CONNECTOR_eDP &&
4080 dc_is_dmcu_initialized(adev->dm.dc)) {
4081 drm_object_attach_property(&aconnector->base.base,
4082 adev->mode_info.abm_level_property, 0);
4085 if (connector_type == DRM_MODE_CONNECTOR_HDMIA ||
4086 connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
4087 connector_type == DRM_MODE_CONNECTOR_eDP) {
4088 drm_connector_attach_vrr_capable_property(
4093 static int amdgpu_dm_i2c_xfer(struct i2c_adapter *i2c_adap,
4094 struct i2c_msg *msgs, int num)
4096 struct amdgpu_i2c_adapter *i2c = i2c_get_adapdata(i2c_adap);
4097 struct ddc_service *ddc_service = i2c->ddc_service;
4098 struct i2c_command cmd;
4102 cmd.payloads = kcalloc(num, sizeof(struct i2c_payload), GFP_KERNEL);
4107 cmd.number_of_payloads = num;
4108 cmd.engine = I2C_COMMAND_ENGINE_DEFAULT;
4111 for (i = 0; i < num; i++) {
4112 cmd.payloads[i].write = !(msgs[i].flags & I2C_M_RD);
4113 cmd.payloads[i].address = msgs[i].addr;
4114 cmd.payloads[i].length = msgs[i].len;
4115 cmd.payloads[i].data = msgs[i].buf;
4119 ddc_service->ctx->dc,
4120 ddc_service->ddc_pin->hw_info.ddc_channel,
4124 kfree(cmd.payloads);
4128 static u32 amdgpu_dm_i2c_func(struct i2c_adapter *adap)
4130 return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
4133 static const struct i2c_algorithm amdgpu_dm_i2c_algo = {
4134 .master_xfer = amdgpu_dm_i2c_xfer,
4135 .functionality = amdgpu_dm_i2c_func,
4138 static struct amdgpu_i2c_adapter *
4139 create_i2c(struct ddc_service *ddc_service,
4143 struct amdgpu_device *adev = ddc_service->ctx->driver_context;
4144 struct amdgpu_i2c_adapter *i2c;
4146 i2c = kzalloc(sizeof(struct amdgpu_i2c_adapter), GFP_KERNEL);
4149 i2c->base.owner = THIS_MODULE;
4150 i2c->base.class = I2C_CLASS_DDC;
4151 i2c->base.dev.parent = &adev->pdev->dev;
4152 i2c->base.algo = &amdgpu_dm_i2c_algo;
4153 snprintf(i2c->base.name, sizeof(i2c->base.name), "AMDGPU DM i2c hw bus %d", link_index);
4154 i2c_set_adapdata(&i2c->base, i2c);
4155 i2c->ddc_service = ddc_service;
4156 i2c->ddc_service->ddc_pin->hw_info.ddc_channel = link_index;
4163 * Note: this function assumes that dc_link_detect() was called for the
4164 * dc_link which will be represented by this aconnector.
4166 static int amdgpu_dm_connector_init(struct amdgpu_display_manager *dm,
4167 struct amdgpu_dm_connector *aconnector,
4168 uint32_t link_index,
4169 struct amdgpu_encoder *aencoder)
4173 struct dc *dc = dm->dc;
4174 struct dc_link *link = dc_get_link_at_index(dc, link_index);
4175 struct amdgpu_i2c_adapter *i2c;
4177 link->priv = aconnector;
4179 DRM_DEBUG_DRIVER("%s()\n", __func__);
4181 i2c = create_i2c(link->ddc, link->link_index, &res);
4183 DRM_ERROR("Failed to create i2c adapter data\n");
4187 aconnector->i2c = i2c;
4188 res = i2c_add_adapter(&i2c->base);
4191 DRM_ERROR("Failed to register hw i2c %d\n", link->link_index);
4195 connector_type = to_drm_connector_type(link->connector_signal);
4197 res = drm_connector_init(
4200 &amdgpu_dm_connector_funcs,
4204 DRM_ERROR("connector_init failed\n");
4205 aconnector->connector_id = -1;
4209 drm_connector_helper_add(
4211 &amdgpu_dm_connector_helper_funcs);
4213 if (aconnector->base.funcs->reset)
4214 aconnector->base.funcs->reset(&aconnector->base);
4216 amdgpu_dm_connector_init_helper(
4223 drm_connector_attach_encoder(
4224 &aconnector->base, &aencoder->base);
4226 drm_connector_register(&aconnector->base);
4227 #if defined(CONFIG_DEBUG_FS)
4228 res = connector_debugfs_init(aconnector);
4230 DRM_ERROR("Failed to create debugfs for connector");
4235 if (connector_type == DRM_MODE_CONNECTOR_DisplayPort
4236 || connector_type == DRM_MODE_CONNECTOR_eDP)
4237 amdgpu_dm_initialize_dp_connector(dm, aconnector);
4242 aconnector->i2c = NULL;
4247 int amdgpu_dm_get_encoder_crtc_mask(struct amdgpu_device *adev)
4249 switch (adev->mode_info.num_crtc) {
4266 static int amdgpu_dm_encoder_init(struct drm_device *dev,
4267 struct amdgpu_encoder *aencoder,
4268 uint32_t link_index)
4270 struct amdgpu_device *adev = dev->dev_private;
4272 int res = drm_encoder_init(dev,
4274 &amdgpu_dm_encoder_funcs,
4275 DRM_MODE_ENCODER_TMDS,
4278 aencoder->base.possible_crtcs = amdgpu_dm_get_encoder_crtc_mask(adev);
4281 aencoder->encoder_id = link_index;
4283 aencoder->encoder_id = -1;
4285 drm_encoder_helper_add(&aencoder->base, &amdgpu_dm_encoder_helper_funcs);
4290 static void manage_dm_interrupts(struct amdgpu_device *adev,
4291 struct amdgpu_crtc *acrtc,
4295 * this is not correct translation but will work as soon as VBLANK
4296 * constant is the same as PFLIP
4299 amdgpu_display_crtc_idx_to_irq_type(
4304 drm_crtc_vblank_on(&acrtc->base);
4307 &adev->pageflip_irq,
4313 &adev->pageflip_irq,
4315 drm_crtc_vblank_off(&acrtc->base);
4320 is_scaling_state_different(const struct dm_connector_state *dm_state,
4321 const struct dm_connector_state *old_dm_state)
4323 if (dm_state->scaling != old_dm_state->scaling)
4325 if (!dm_state->underscan_enable && old_dm_state->underscan_enable) {
4326 if (old_dm_state->underscan_hborder != 0 && old_dm_state->underscan_vborder != 0)
4328 } else if (dm_state->underscan_enable && !old_dm_state->underscan_enable) {
4329 if (dm_state->underscan_hborder != 0 && dm_state->underscan_vborder != 0)
4331 } else if (dm_state->underscan_hborder != old_dm_state->underscan_hborder ||
4332 dm_state->underscan_vborder != old_dm_state->underscan_vborder)
4337 static void remove_stream(struct amdgpu_device *adev,
4338 struct amdgpu_crtc *acrtc,
4339 struct dc_stream_state *stream)
4341 /* this is the update mode case */
4343 acrtc->otg_inst = -1;
4344 acrtc->enabled = false;
4347 static int get_cursor_position(struct drm_plane *plane, struct drm_crtc *crtc,
4348 struct dc_cursor_position *position)
4350 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
4352 int xorigin = 0, yorigin = 0;
4354 if (!crtc || !plane->state->fb) {
4355 position->enable = false;
4361 if ((plane->state->crtc_w > amdgpu_crtc->max_cursor_width) ||
4362 (plane->state->crtc_h > amdgpu_crtc->max_cursor_height)) {
4363 DRM_ERROR("%s: bad cursor width or height %d x %d\n",
4365 plane->state->crtc_w,
4366 plane->state->crtc_h);
4370 x = plane->state->crtc_x;
4371 y = plane->state->crtc_y;
4372 /* avivo cursor are offset into the total surface */
4373 x += crtc->primary->state->src_x >> 16;
4374 y += crtc->primary->state->src_y >> 16;
4376 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
4380 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
4383 position->enable = true;
4386 position->x_hotspot = xorigin;
4387 position->y_hotspot = yorigin;
4392 static void handle_cursor_update(struct drm_plane *plane,
4393 struct drm_plane_state *old_plane_state)
4395 struct amdgpu_device *adev = plane->dev->dev_private;
4396 struct amdgpu_framebuffer *afb = to_amdgpu_framebuffer(plane->state->fb);
4397 struct drm_crtc *crtc = afb ? plane->state->crtc : old_plane_state->crtc;
4398 struct dm_crtc_state *crtc_state = crtc ? to_dm_crtc_state(crtc->state) : NULL;
4399 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
4400 uint64_t address = afb ? afb->address : 0;
4401 struct dc_cursor_position position;
4402 struct dc_cursor_attributes attributes;
4405 if (!plane->state->fb && !old_plane_state->fb)
4408 DRM_DEBUG_DRIVER("%s: crtc_id=%d with size %d to %d\n",
4410 amdgpu_crtc->crtc_id,
4411 plane->state->crtc_w,
4412 plane->state->crtc_h);
4414 ret = get_cursor_position(plane, crtc, &position);
4418 if (!position.enable) {
4419 /* turn off cursor */
4420 if (crtc_state && crtc_state->stream) {
4421 mutex_lock(&adev->dm.dc_lock);
4422 dc_stream_set_cursor_position(crtc_state->stream,
4424 mutex_unlock(&adev->dm.dc_lock);
4429 amdgpu_crtc->cursor_width = plane->state->crtc_w;
4430 amdgpu_crtc->cursor_height = plane->state->crtc_h;
4432 attributes.address.high_part = upper_32_bits(address);
4433 attributes.address.low_part = lower_32_bits(address);
4434 attributes.width = plane->state->crtc_w;
4435 attributes.height = plane->state->crtc_h;
4436 attributes.color_format = CURSOR_MODE_COLOR_PRE_MULTIPLIED_ALPHA;
4437 attributes.rotation_angle = 0;
4438 attributes.attribute_flags.value = 0;
4440 attributes.pitch = attributes.width;
4442 if (crtc_state->stream) {
4443 mutex_lock(&adev->dm.dc_lock);
4444 if (!dc_stream_set_cursor_attributes(crtc_state->stream,
4446 DRM_ERROR("DC failed to set cursor attributes\n");
4448 if (!dc_stream_set_cursor_position(crtc_state->stream,
4450 DRM_ERROR("DC failed to set cursor position\n");
4451 mutex_unlock(&adev->dm.dc_lock);
4455 static void prepare_flip_isr(struct amdgpu_crtc *acrtc)
4458 assert_spin_locked(&acrtc->base.dev->event_lock);
4459 WARN_ON(acrtc->event);
4461 acrtc->event = acrtc->base.state->event;
4463 /* Set the flip status */
4464 acrtc->pflip_status = AMDGPU_FLIP_SUBMITTED;
4466 /* Mark this event as consumed */
4467 acrtc->base.state->event = NULL;
4469 DRM_DEBUG_DRIVER("crtc:%d, pflip_stat:AMDGPU_FLIP_SUBMITTED\n",
4473 struct dc_stream_status *dc_state_get_stream_status(
4474 struct dc_state *state,
4475 struct dc_stream_state *stream)
4479 for (i = 0; i < state->stream_count; i++) {
4480 if (stream == state->streams[i])
4481 return &state->stream_status[i];
4487 static void update_freesync_state_on_stream(
4488 struct amdgpu_display_manager *dm,
4489 struct dm_crtc_state *new_crtc_state,
4490 struct dc_stream_state *new_stream,
4491 struct dc_plane_state *surface,
4492 u32 flip_timestamp_in_us)
4494 struct mod_vrr_params vrr_params = new_crtc_state->vrr_params;
4495 struct dc_info_packet vrr_infopacket = {0};
4496 struct mod_freesync_config config = new_crtc_state->freesync_config;
4502 * TODO: Determine why min/max totals and vrefresh can be 0 here.
4503 * For now it's sufficient to just guard against these conditions.
4506 if (!new_stream->timing.h_total || !new_stream->timing.v_total)
4509 if (new_crtc_state->vrr_supported &&
4510 config.min_refresh_in_uhz &&
4511 config.max_refresh_in_uhz) {
4512 config.state = new_crtc_state->base.vrr_enabled ?
4513 VRR_STATE_ACTIVE_VARIABLE :
4516 config.state = VRR_STATE_UNSUPPORTED;
4519 mod_freesync_build_vrr_params(dm->freesync_module,
4521 &config, &vrr_params);
4524 mod_freesync_handle_preflip(
4525 dm->freesync_module,
4528 flip_timestamp_in_us,
4532 mod_freesync_build_vrr_infopacket(
4533 dm->freesync_module,
4537 TRANSFER_FUNC_UNKNOWN,
4540 new_crtc_state->freesync_timing_changed =
4541 (memcmp(&new_crtc_state->vrr_params.adjust,
4543 sizeof(vrr_params.adjust)) != 0);
4545 new_crtc_state->freesync_vrr_info_changed =
4546 (memcmp(&new_crtc_state->vrr_infopacket,
4548 sizeof(vrr_infopacket)) != 0);
4550 new_crtc_state->vrr_params = vrr_params;
4551 new_crtc_state->vrr_infopacket = vrr_infopacket;
4553 new_stream->adjust = new_crtc_state->vrr_params.adjust;
4554 new_stream->vrr_infopacket = vrr_infopacket;
4556 if (new_crtc_state->freesync_vrr_info_changed)
4557 DRM_DEBUG_KMS("VRR packet update: crtc=%u enabled=%d state=%d",
4558 new_crtc_state->base.crtc->base.id,
4559 (int)new_crtc_state->base.vrr_enabled,
4560 (int)vrr_params.state);
4562 if (new_crtc_state->freesync_timing_changed)
4563 DRM_DEBUG_KMS("VRR timing update: crtc=%u min=%u max=%u\n",
4564 new_crtc_state->base.crtc->base.id,
4565 vrr_params.adjust.v_total_min,
4566 vrr_params.adjust.v_total_max);
4572 * Waits on all BO's fences and for proper vblank count
4574 static void amdgpu_dm_do_flip(struct drm_crtc *crtc,
4575 struct drm_framebuffer *fb,
4577 struct dc_state *state)
4579 unsigned long flags;
4580 uint64_t timestamp_ns;
4581 uint32_t target_vblank;
4583 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
4584 struct amdgpu_framebuffer *afb = to_amdgpu_framebuffer(fb);
4585 struct amdgpu_bo *abo = gem_to_amdgpu_bo(fb->obj[0]);
4586 struct amdgpu_device *adev = crtc->dev->dev_private;
4587 bool async_flip = (crtc->state->pageflip_flags & DRM_MODE_PAGE_FLIP_ASYNC) != 0;
4588 struct dc_flip_addrs addr = { {0} };
4589 /* TODO eliminate or rename surface_update */
4590 struct dc_surface_update surface_updates[1] = { {0} };
4591 struct dc_stream_update stream_update = {0};
4592 struct dm_crtc_state *acrtc_state = to_dm_crtc_state(crtc->state);
4593 struct dc_stream_status *stream_status;
4594 struct dc_plane_state *surface;
4597 /* Prepare wait for target vblank early - before the fence-waits */
4598 target_vblank = target - (uint32_t)drm_crtc_vblank_count(crtc) +
4599 amdgpu_get_vblank_counter_kms(crtc->dev, acrtc->crtc_id);
4602 * TODO This might fail and hence better not used, wait
4603 * explicitly on fences instead
4604 * and in general should be called for
4605 * blocking commit to as per framework helpers
4607 r = amdgpu_bo_reserve(abo, true);
4608 if (unlikely(r != 0)) {
4609 DRM_ERROR("failed to reserve buffer before flip\n");
4613 /* Wait for all fences on this FB */
4614 WARN_ON(reservation_object_wait_timeout_rcu(abo->tbo.resv, true, false,
4615 MAX_SCHEDULE_TIMEOUT) < 0);
4617 amdgpu_bo_unreserve(abo);
4620 * Wait until we're out of the vertical blank period before the one
4621 * targeted by the flip
4623 while ((acrtc->enabled &&
4624 (amdgpu_display_get_crtc_scanoutpos(adev->ddev, acrtc->crtc_id,
4625 0, &vpos, &hpos, NULL,
4626 NULL, &crtc->hwmode)
4627 & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK)) ==
4628 (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_IN_VBLANK) &&
4629 (int)(target_vblank -
4630 amdgpu_get_vblank_counter_kms(adev->ddev, acrtc->crtc_id)) > 0)) {
4631 usleep_range(1000, 1100);
4635 spin_lock_irqsave(&crtc->dev->event_lock, flags);
4637 WARN_ON(acrtc->pflip_status != AMDGPU_FLIP_NONE);
4638 WARN_ON(!acrtc_state->stream);
4640 addr.address.grph.addr.low_part = lower_32_bits(afb->address);
4641 addr.address.grph.addr.high_part = upper_32_bits(afb->address);
4642 addr.flip_immediate = async_flip;
4644 timestamp_ns = ktime_get_ns();
4645 addr.flip_timestamp_in_us = div_u64(timestamp_ns, 1000);
4648 if (acrtc->base.state->event)
4649 prepare_flip_isr(acrtc);
4651 spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
4653 stream_status = dc_stream_get_status(acrtc_state->stream);
4654 if (!stream_status) {
4655 DRM_ERROR("No stream status for CRTC: id=%d\n",
4660 surface = stream_status->plane_states[0];
4661 surface_updates->surface = surface;
4664 DRM_ERROR("No surface for CRTC: id=%d\n",
4668 surface_updates->flip_addr = &addr;
4670 if (acrtc_state->stream) {
4671 update_freesync_state_on_stream(
4674 acrtc_state->stream,
4676 addr.flip_timestamp_in_us);
4678 if (acrtc_state->freesync_timing_changed)
4679 stream_update.adjust =
4680 &acrtc_state->stream->adjust;
4682 if (acrtc_state->freesync_vrr_info_changed)
4683 stream_update.vrr_infopacket =
4684 &acrtc_state->stream->vrr_infopacket;
4687 /* Update surface timing information. */
4688 surface->time.time_elapsed_in_us[surface->time.index] =
4689 addr.flip_timestamp_in_us - surface->time.prev_update_time_in_us;
4690 surface->time.prev_update_time_in_us = addr.flip_timestamp_in_us;
4691 surface->time.index++;
4692 if (surface->time.index >= DC_PLANE_UPDATE_TIMES_MAX)
4693 surface->time.index = 0;
4695 mutex_lock(&adev->dm.dc_lock);
4697 dc_commit_updates_for_stream(adev->dm.dc,
4700 acrtc_state->stream,
4702 &surface_updates->surface,
4704 mutex_unlock(&adev->dm.dc_lock);
4706 DRM_DEBUG_DRIVER("%s Flipping to hi: 0x%x, low: 0x%x \n",
4708 addr.address.grph.addr.high_part,
4709 addr.address.grph.addr.low_part);
4713 * TODO this whole function needs to go
4715 * dc_surface_update is needlessly complex. See if we can just replace this
4716 * with a dc_plane_state and follow the atomic model a bit more closely here.
4718 static bool commit_planes_to_stream(
4719 struct amdgpu_display_manager *dm,
4721 struct dc_plane_state **plane_states,
4722 uint8_t new_plane_count,
4723 struct dm_crtc_state *dm_new_crtc_state,
4724 struct dm_crtc_state *dm_old_crtc_state,
4725 struct dc_state *state)
4727 /* no need to dynamically allocate this. it's pretty small */
4728 struct dc_surface_update updates[MAX_SURFACES];
4729 struct dc_flip_addrs *flip_addr;
4730 struct dc_plane_info *plane_info;
4731 struct dc_scaling_info *scaling_info;
4733 struct dc_stream_state *dc_stream = dm_new_crtc_state->stream;
4734 struct dc_stream_update *stream_update =
4735 kzalloc(sizeof(struct dc_stream_update), GFP_KERNEL);
4736 unsigned int abm_level;
4738 if (!stream_update) {
4739 BREAK_TO_DEBUGGER();
4743 flip_addr = kcalloc(MAX_SURFACES, sizeof(struct dc_flip_addrs),
4745 plane_info = kcalloc(MAX_SURFACES, sizeof(struct dc_plane_info),
4747 scaling_info = kcalloc(MAX_SURFACES, sizeof(struct dc_scaling_info),
4750 if (!flip_addr || !plane_info || !scaling_info) {
4753 kfree(scaling_info);
4754 kfree(stream_update);
4758 memset(updates, 0, sizeof(updates));
4760 stream_update->src = dc_stream->src;
4761 stream_update->dst = dc_stream->dst;
4762 stream_update->out_transfer_func = dc_stream->out_transfer_func;
4764 if (dm_new_crtc_state->abm_level != dm_old_crtc_state->abm_level) {
4765 abm_level = dm_new_crtc_state->abm_level;
4766 stream_update->abm_level = &abm_level;
4769 for (i = 0; i < new_plane_count; i++) {
4770 updates[i].surface = plane_states[i];
4772 (struct dc_gamma *)plane_states[i]->gamma_correction;
4773 updates[i].in_transfer_func = plane_states[i]->in_transfer_func;
4774 flip_addr[i].address = plane_states[i]->address;
4775 flip_addr[i].flip_immediate = plane_states[i]->flip_immediate;
4776 plane_info[i].color_space = plane_states[i]->color_space;
4777 plane_info[i].format = plane_states[i]->format;
4778 plane_info[i].plane_size = plane_states[i]->plane_size;
4779 plane_info[i].rotation = plane_states[i]->rotation;
4780 plane_info[i].horizontal_mirror = plane_states[i]->horizontal_mirror;
4781 plane_info[i].stereo_format = plane_states[i]->stereo_format;
4782 plane_info[i].tiling_info = plane_states[i]->tiling_info;
4783 plane_info[i].visible = plane_states[i]->visible;
4784 plane_info[i].per_pixel_alpha = plane_states[i]->per_pixel_alpha;
4785 plane_info[i].dcc = plane_states[i]->dcc;
4786 scaling_info[i].scaling_quality = plane_states[i]->scaling_quality;
4787 scaling_info[i].src_rect = plane_states[i]->src_rect;
4788 scaling_info[i].dst_rect = plane_states[i]->dst_rect;
4789 scaling_info[i].clip_rect = plane_states[i]->clip_rect;
4791 updates[i].flip_addr = &flip_addr[i];
4792 updates[i].plane_info = &plane_info[i];
4793 updates[i].scaling_info = &scaling_info[i];
4796 mutex_lock(&dm->dc_lock);
4797 dc_commit_updates_for_stream(
4801 dc_stream, stream_update, plane_states, state);
4802 mutex_unlock(&dm->dc_lock);
4806 kfree(scaling_info);
4807 kfree(stream_update);
4811 static void amdgpu_dm_commit_planes(struct drm_atomic_state *state,
4812 struct dc_state *dc_state,
4813 struct drm_device *dev,
4814 struct amdgpu_display_manager *dm,
4815 struct drm_crtc *pcrtc,
4816 bool *wait_for_vblank)
4819 struct drm_plane *plane;
4820 struct drm_plane_state *old_plane_state, *new_plane_state;
4821 struct dc_stream_state *dc_stream_attach;
4822 struct dc_plane_state *plane_states_constructed[MAX_SURFACES];
4823 struct amdgpu_crtc *acrtc_attach = to_amdgpu_crtc(pcrtc);
4824 struct drm_crtc_state *new_pcrtc_state =
4825 drm_atomic_get_new_crtc_state(state, pcrtc);
4826 struct dm_crtc_state *acrtc_state = to_dm_crtc_state(new_pcrtc_state);
4827 struct dm_crtc_state *dm_old_crtc_state =
4828 to_dm_crtc_state(drm_atomic_get_old_crtc_state(state, pcrtc));
4829 int planes_count = 0;
4830 unsigned long flags;
4832 /* update planes when needed */
4833 for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, i) {
4834 struct drm_crtc *crtc = new_plane_state->crtc;
4835 struct drm_crtc_state *new_crtc_state;
4836 struct drm_framebuffer *fb = new_plane_state->fb;
4838 struct dm_plane_state *dm_new_plane_state = to_dm_plane_state(new_plane_state);
4840 if (plane->type == DRM_PLANE_TYPE_CURSOR) {
4841 handle_cursor_update(plane, old_plane_state);
4845 if (!fb || !crtc || pcrtc != crtc)
4848 new_crtc_state = drm_atomic_get_new_crtc_state(state, crtc);
4849 if (!new_crtc_state->active)
4852 pflip_needed = !state->allow_modeset;
4854 spin_lock_irqsave(&crtc->dev->event_lock, flags);
4855 if (acrtc_attach->pflip_status != AMDGPU_FLIP_NONE) {
4856 DRM_ERROR("%s: acrtc %d, already busy\n",
4858 acrtc_attach->crtc_id);
4859 /* In commit tail framework this cannot happen */
4862 spin_unlock_irqrestore(&crtc->dev->event_lock, flags);
4864 if (!pflip_needed || plane->type == DRM_PLANE_TYPE_OVERLAY) {
4865 WARN_ON(!dm_new_plane_state->dc_state);
4867 plane_states_constructed[planes_count] = dm_new_plane_state->dc_state;
4869 dc_stream_attach = acrtc_state->stream;
4872 } else if (new_crtc_state->planes_changed) {
4873 /* Assume even ONE crtc with immediate flip means
4874 * entire can't wait for VBLANK
4875 * TODO Check if it's correct
4878 new_pcrtc_state->pageflip_flags & DRM_MODE_PAGE_FLIP_ASYNC ?
4881 /* TODO: Needs rework for multiplane flip */
4882 if (plane->type == DRM_PLANE_TYPE_PRIMARY)
4883 drm_crtc_vblank_get(crtc);
4888 (uint32_t)drm_crtc_vblank_count(crtc) + *wait_for_vblank,
4895 unsigned long flags;
4897 if (new_pcrtc_state->event) {
4899 drm_crtc_vblank_get(pcrtc);
4901 spin_lock_irqsave(&pcrtc->dev->event_lock, flags);
4902 prepare_flip_isr(acrtc_attach);
4903 spin_unlock_irqrestore(&pcrtc->dev->event_lock, flags);
4906 dc_stream_attach->abm_level = acrtc_state->abm_level;
4908 if (false == commit_planes_to_stream(dm,
4910 plane_states_constructed,
4915 dm_error("%s: Failed to attach plane!\n", __func__);
4917 /*TODO BUG Here should go disable planes on CRTC. */
4922 * amdgpu_dm_crtc_copy_transient_flags - copy mirrored flags from DRM to DC
4923 * @crtc_state: the DRM CRTC state
4924 * @stream_state: the DC stream state.
4926 * Copy the mirrored transient state flags from DRM, to DC. It is used to bring
4927 * a dc_stream_state's flags in sync with a drm_crtc_state's flags.
4929 static void amdgpu_dm_crtc_copy_transient_flags(struct drm_crtc_state *crtc_state,
4930 struct dc_stream_state *stream_state)
4932 stream_state->mode_changed = crtc_state->mode_changed;
4935 static int amdgpu_dm_atomic_commit(struct drm_device *dev,
4936 struct drm_atomic_state *state,
4939 struct drm_crtc *crtc;
4940 struct drm_crtc_state *old_crtc_state, *new_crtc_state;
4941 struct amdgpu_device *adev = dev->dev_private;
4945 * We evade vblanks and pflips on crtc that
4946 * should be changed. We do it here to flush & disable
4947 * interrupts before drm_swap_state is called in drm_atomic_helper_commit
4948 * it will update crtc->dm_crtc_state->stream pointer which is used in
4951 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
4952 struct dm_crtc_state *dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
4953 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
4955 if (drm_atomic_crtc_needs_modeset(new_crtc_state) && dm_old_crtc_state->stream)
4956 manage_dm_interrupts(adev, acrtc, false);
4959 * Add check here for SoC's that support hardware cursor plane, to
4960 * unset legacy_cursor_update
4963 return drm_atomic_helper_commit(dev, state, nonblock);
4965 /*TODO Handle EINTR, reenable IRQ*/
4969 * amdgpu_dm_atomic_commit_tail() - AMDgpu DM's commit tail implementation.
4970 * @state: The atomic state to commit
4972 * This will tell DC to commit the constructed DC state from atomic_check,
4973 * programming the hardware. Any failures here implies a hardware failure, since
4974 * atomic check should have filtered anything non-kosher.
4976 static void amdgpu_dm_atomic_commit_tail(struct drm_atomic_state *state)
4978 struct drm_device *dev = state->dev;
4979 struct amdgpu_device *adev = dev->dev_private;
4980 struct amdgpu_display_manager *dm = &adev->dm;
4981 struct dm_atomic_state *dm_state;
4982 struct dc_state *dc_state = NULL, *dc_state_temp = NULL;
4984 struct drm_crtc *crtc;
4985 struct drm_crtc_state *old_crtc_state, *new_crtc_state;
4986 unsigned long flags;
4987 bool wait_for_vblank = true;
4988 struct drm_connector *connector;
4989 struct drm_connector_state *old_con_state, *new_con_state;
4990 struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state;
4991 int crtc_disable_count = 0;
4993 drm_atomic_helper_update_legacy_modeset_state(dev, state);
4995 dm_state = dm_atomic_get_new_state(state);
4996 if (dm_state && dm_state->context) {
4997 dc_state = dm_state->context;
4999 /* No state changes, retain current state. */
5000 dc_state_temp = dc_create_state();
5001 ASSERT(dc_state_temp);
5002 dc_state = dc_state_temp;
5003 dc_resource_state_copy_construct_current(dm->dc, dc_state);
5006 /* update changed items */
5007 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
5008 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
5010 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
5011 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
5014 "amdgpu_crtc id:%d crtc_state_flags: enable:%d, active:%d, "
5015 "planes_changed:%d, mode_changed:%d,active_changed:%d,"
5016 "connectors_changed:%d\n",
5018 new_crtc_state->enable,
5019 new_crtc_state->active,
5020 new_crtc_state->planes_changed,
5021 new_crtc_state->mode_changed,
5022 new_crtc_state->active_changed,
5023 new_crtc_state->connectors_changed);
5025 /* Copy all transient state flags into dc state */
5026 if (dm_new_crtc_state->stream) {
5027 amdgpu_dm_crtc_copy_transient_flags(&dm_new_crtc_state->base,
5028 dm_new_crtc_state->stream);
5031 /* handles headless hotplug case, updating new_state and
5032 * aconnector as needed
5035 if (modeset_required(new_crtc_state, dm_new_crtc_state->stream, dm_old_crtc_state->stream)) {
5037 DRM_DEBUG_DRIVER("Atomic commit: SET crtc id %d: [%p]\n", acrtc->crtc_id, acrtc);
5039 if (!dm_new_crtc_state->stream) {
5041 * this could happen because of issues with
5042 * userspace notifications delivery.
5043 * In this case userspace tries to set mode on
5044 * display which is disconnected in fact.
5045 * dc_sink is NULL in this case on aconnector.
5046 * We expect reset mode will come soon.
5048 * This can also happen when unplug is done
5049 * during resume sequence ended
5051 * In this case, we want to pretend we still
5052 * have a sink to keep the pipe running so that
5053 * hw state is consistent with the sw state
5055 DRM_DEBUG_DRIVER("%s: Failed to create new stream for crtc %d\n",
5056 __func__, acrtc->base.base.id);
5060 if (dm_old_crtc_state->stream)
5061 remove_stream(adev, acrtc, dm_old_crtc_state->stream);
5063 pm_runtime_get_noresume(dev->dev);
5065 acrtc->enabled = true;
5066 acrtc->hw_mode = new_crtc_state->mode;
5067 crtc->hwmode = new_crtc_state->mode;
5068 } else if (modereset_required(new_crtc_state)) {
5069 DRM_DEBUG_DRIVER("Atomic commit: RESET. crtc id %d:[%p]\n", acrtc->crtc_id, acrtc);
5071 /* i.e. reset mode */
5072 if (dm_old_crtc_state->stream)
5073 remove_stream(adev, acrtc, dm_old_crtc_state->stream);
5075 } /* for_each_crtc_in_state() */
5078 dm_enable_per_frame_crtc_master_sync(dc_state);
5079 mutex_lock(&dm->dc_lock);
5080 WARN_ON(!dc_commit_state(dm->dc, dc_state));
5081 mutex_unlock(&dm->dc_lock);
5084 for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
5085 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
5087 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
5089 if (dm_new_crtc_state->stream != NULL) {
5090 const struct dc_stream_status *status =
5091 dc_stream_get_status(dm_new_crtc_state->stream);
5094 status = dc_state_get_stream_status(dc_state,
5095 dm_new_crtc_state->stream);
5098 DC_ERR("got no status for stream %p on acrtc%p\n", dm_new_crtc_state->stream, acrtc);
5100 acrtc->otg_inst = status->primary_otg_inst;
5104 /* Handle scaling, underscan, and abm changes*/
5105 for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) {
5106 struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state);
5107 struct dm_connector_state *dm_old_con_state = to_dm_connector_state(old_con_state);
5108 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc);
5109 struct dc_stream_status *status = NULL;
5112 new_crtc_state = drm_atomic_get_new_crtc_state(state, &acrtc->base);
5113 old_crtc_state = drm_atomic_get_old_crtc_state(state, &acrtc->base);
5116 /* Skip any modesets/resets */
5117 if (!acrtc || drm_atomic_crtc_needs_modeset(new_crtc_state))
5121 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
5122 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
5124 /* Skip anything that is not scaling or underscan changes */
5125 if (!is_scaling_state_different(dm_new_con_state, dm_old_con_state) &&
5126 (dm_new_crtc_state->abm_level == dm_old_crtc_state->abm_level))
5129 update_stream_scaling_settings(&dm_new_con_state->base.crtc->mode,
5130 dm_new_con_state, (struct dc_stream_state *)dm_new_crtc_state->stream);
5132 if (!dm_new_crtc_state->stream)
5135 status = dc_stream_get_status(dm_new_crtc_state->stream);
5137 WARN_ON(!status->plane_count);
5139 dm_new_crtc_state->stream->abm_level = dm_new_crtc_state->abm_level;
5141 /*TODO How it works with MPO ?*/
5142 if (!commit_planes_to_stream(
5145 status->plane_states,
5146 status->plane_count,
5148 to_dm_crtc_state(old_crtc_state),
5150 dm_error("%s: Failed to update stream scaling!\n", __func__);
5153 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state,
5154 new_crtc_state, i) {
5156 * loop to enable interrupts on newly arrived crtc
5158 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(crtc);
5159 bool modeset_needed;
5161 if (old_crtc_state->active && !new_crtc_state->active)
5162 crtc_disable_count++;
5164 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
5165 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
5166 modeset_needed = modeset_required(
5168 dm_new_crtc_state->stream,
5169 dm_old_crtc_state->stream);
5171 if (dm_new_crtc_state->stream == NULL || !modeset_needed)
5174 manage_dm_interrupts(adev, acrtc, true);
5177 /* update planes when needed per crtc*/
5178 for_each_new_crtc_in_state(state, crtc, new_crtc_state, j) {
5179 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
5181 if (dm_new_crtc_state->stream)
5182 amdgpu_dm_commit_planes(state, dc_state, dev,
5183 dm, crtc, &wait_for_vblank);
5188 * send vblank event on all events not handled in flip and
5189 * mark consumed event for drm_atomic_helper_commit_hw_done
5191 spin_lock_irqsave(&adev->ddev->event_lock, flags);
5192 for_each_new_crtc_in_state(state, crtc, new_crtc_state, i) {
5194 if (new_crtc_state->event)
5195 drm_send_event_locked(dev, &new_crtc_state->event->base);
5197 new_crtc_state->event = NULL;
5199 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
5202 if (wait_for_vblank)
5203 drm_atomic_helper_wait_for_flip_done(dev, state);
5207 * Delay hw_done() until flip_done() is signaled. This is to block
5208 * another commit from freeing the CRTC state while we're still
5209 * waiting on flip_done.
5211 drm_atomic_helper_commit_hw_done(state);
5213 drm_atomic_helper_cleanup_planes(dev, state);
5216 * Finally, drop a runtime PM reference for each newly disabled CRTC,
5217 * so we can put the GPU into runtime suspend if we're not driving any
5220 for (i = 0; i < crtc_disable_count; i++)
5221 pm_runtime_put_autosuspend(dev->dev);
5222 pm_runtime_mark_last_busy(dev->dev);
5225 dc_release_state(dc_state_temp);
5229 static int dm_force_atomic_commit(struct drm_connector *connector)
5232 struct drm_device *ddev = connector->dev;
5233 struct drm_atomic_state *state = drm_atomic_state_alloc(ddev);
5234 struct amdgpu_crtc *disconnected_acrtc = to_amdgpu_crtc(connector->encoder->crtc);
5235 struct drm_plane *plane = disconnected_acrtc->base.primary;
5236 struct drm_connector_state *conn_state;
5237 struct drm_crtc_state *crtc_state;
5238 struct drm_plane_state *plane_state;
5243 state->acquire_ctx = ddev->mode_config.acquire_ctx;
5245 /* Construct an atomic state to restore previous display setting */
5248 * Attach connectors to drm_atomic_state
5250 conn_state = drm_atomic_get_connector_state(state, connector);
5252 ret = PTR_ERR_OR_ZERO(conn_state);
5256 /* Attach crtc to drm_atomic_state*/
5257 crtc_state = drm_atomic_get_crtc_state(state, &disconnected_acrtc->base);
5259 ret = PTR_ERR_OR_ZERO(crtc_state);
5263 /* force a restore */
5264 crtc_state->mode_changed = true;
5266 /* Attach plane to drm_atomic_state */
5267 plane_state = drm_atomic_get_plane_state(state, plane);
5269 ret = PTR_ERR_OR_ZERO(plane_state);
5274 /* Call commit internally with the state we just constructed */
5275 ret = drm_atomic_commit(state);
5280 DRM_ERROR("Restoring old state failed with %i\n", ret);
5281 drm_atomic_state_put(state);
5287 * This function handles all cases when set mode does not come upon hotplug.
5288 * This includes when a display is unplugged then plugged back into the
5289 * same port and when running without usermode desktop manager supprot
5291 void dm_restore_drm_connector_state(struct drm_device *dev,
5292 struct drm_connector *connector)
5294 struct amdgpu_dm_connector *aconnector = to_amdgpu_dm_connector(connector);
5295 struct amdgpu_crtc *disconnected_acrtc;
5296 struct dm_crtc_state *acrtc_state;
5298 if (!aconnector->dc_sink || !connector->state || !connector->encoder)
5301 disconnected_acrtc = to_amdgpu_crtc(connector->encoder->crtc);
5302 if (!disconnected_acrtc)
5305 acrtc_state = to_dm_crtc_state(disconnected_acrtc->base.state);
5306 if (!acrtc_state->stream)
5310 * If the previous sink is not released and different from the current,
5311 * we deduce we are in a state where we can not rely on usermode call
5312 * to turn on the display, so we do it here
5314 if (acrtc_state->stream->sink != aconnector->dc_sink)
5315 dm_force_atomic_commit(&aconnector->base);
5319 * Grabs all modesetting locks to serialize against any blocking commits,
5320 * Waits for completion of all non blocking commits.
5322 static int do_aquire_global_lock(struct drm_device *dev,
5323 struct drm_atomic_state *state)
5325 struct drm_crtc *crtc;
5326 struct drm_crtc_commit *commit;
5330 * Adding all modeset locks to aquire_ctx will
5331 * ensure that when the framework release it the
5332 * extra locks we are locking here will get released to
5334 ret = drm_modeset_lock_all_ctx(dev, state->acquire_ctx);
5338 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
5339 spin_lock(&crtc->commit_lock);
5340 commit = list_first_entry_or_null(&crtc->commit_list,
5341 struct drm_crtc_commit, commit_entry);
5343 drm_crtc_commit_get(commit);
5344 spin_unlock(&crtc->commit_lock);
5350 * Make sure all pending HW programming completed and
5353 ret = wait_for_completion_interruptible_timeout(&commit->hw_done, 10*HZ);
5356 ret = wait_for_completion_interruptible_timeout(
5357 &commit->flip_done, 10*HZ);
5360 DRM_ERROR("[CRTC:%d:%s] hw_done or flip_done "
5361 "timed out\n", crtc->base.id, crtc->name);
5363 drm_crtc_commit_put(commit);
5366 return ret < 0 ? ret : 0;
5369 static void get_freesync_config_for_crtc(
5370 struct dm_crtc_state *new_crtc_state,
5371 struct dm_connector_state *new_con_state)
5373 struct mod_freesync_config config = {0};
5374 struct amdgpu_dm_connector *aconnector =
5375 to_amdgpu_dm_connector(new_con_state->base.connector);
5377 new_crtc_state->vrr_supported = new_con_state->freesync_capable;
5379 if (new_con_state->freesync_capable) {
5380 config.state = new_crtc_state->base.vrr_enabled ?
5381 VRR_STATE_ACTIVE_VARIABLE :
5383 config.min_refresh_in_uhz =
5384 aconnector->min_vfreq * 1000000;
5385 config.max_refresh_in_uhz =
5386 aconnector->max_vfreq * 1000000;
5387 config.vsif_supported = true;
5391 new_crtc_state->freesync_config = config;
5394 static void reset_freesync_config_for_crtc(
5395 struct dm_crtc_state *new_crtc_state)
5397 new_crtc_state->vrr_supported = false;
5399 memset(&new_crtc_state->vrr_params, 0,
5400 sizeof(new_crtc_state->vrr_params));
5401 memset(&new_crtc_state->vrr_infopacket, 0,
5402 sizeof(new_crtc_state->vrr_infopacket));
5405 static int dm_update_crtcs_state(struct amdgpu_display_manager *dm,
5406 struct drm_atomic_state *state,
5408 bool *lock_and_validation_needed)
5410 struct dm_atomic_state *dm_state = NULL;
5411 struct drm_crtc *crtc;
5412 struct drm_crtc_state *old_crtc_state, *new_crtc_state;
5414 struct dm_crtc_state *dm_old_crtc_state, *dm_new_crtc_state;
5415 struct dc_stream_state *new_stream;
5419 * TODO Move this code into dm_crtc_atomic_check once we get rid of dc_validation_set
5420 * update changed items
5422 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
5423 struct amdgpu_crtc *acrtc = NULL;
5424 struct amdgpu_dm_connector *aconnector = NULL;
5425 struct drm_connector_state *drm_new_conn_state = NULL, *drm_old_conn_state = NULL;
5426 struct dm_connector_state *dm_new_conn_state = NULL, *dm_old_conn_state = NULL;
5427 struct drm_plane_state *new_plane_state = NULL;
5431 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
5432 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
5433 acrtc = to_amdgpu_crtc(crtc);
5435 new_plane_state = drm_atomic_get_new_plane_state(state, new_crtc_state->crtc->primary);
5437 if (new_crtc_state->enable && new_plane_state && !new_plane_state->fb) {
5442 aconnector = amdgpu_dm_find_first_crtc_matching_connector(state, crtc);
5444 /* TODO This hack should go away */
5445 if (aconnector && enable) {
5446 /* Make sure fake sink is created in plug-in scenario */
5447 drm_new_conn_state = drm_atomic_get_new_connector_state(state,
5449 drm_old_conn_state = drm_atomic_get_old_connector_state(state,
5452 if (IS_ERR(drm_new_conn_state)) {
5453 ret = PTR_ERR_OR_ZERO(drm_new_conn_state);
5457 dm_new_conn_state = to_dm_connector_state(drm_new_conn_state);
5458 dm_old_conn_state = to_dm_connector_state(drm_old_conn_state);
5460 new_stream = create_stream_for_sink(aconnector,
5461 &new_crtc_state->mode,
5463 dm_old_crtc_state->stream);
5466 * we can have no stream on ACTION_SET if a display
5467 * was disconnected during S3, in this case it is not an
5468 * error, the OS will be updated after detection, and
5469 * will do the right thing on next atomic commit
5473 DRM_DEBUG_DRIVER("%s: Failed to create new stream for crtc %d\n",
5474 __func__, acrtc->base.base.id);
5478 dm_new_crtc_state->abm_level = dm_new_conn_state->abm_level;
5480 if (dc_is_stream_unchanged(new_stream, dm_old_crtc_state->stream) &&
5481 dc_is_stream_scaling_unchanged(new_stream, dm_old_crtc_state->stream)) {
5482 new_crtc_state->mode_changed = false;
5483 DRM_DEBUG_DRIVER("Mode change not required, setting mode_changed to %d",
5484 new_crtc_state->mode_changed);
5488 if (!drm_atomic_crtc_needs_modeset(new_crtc_state))
5492 "amdgpu_crtc id:%d crtc_state_flags: enable:%d, active:%d, "
5493 "planes_changed:%d, mode_changed:%d,active_changed:%d,"
5494 "connectors_changed:%d\n",
5496 new_crtc_state->enable,
5497 new_crtc_state->active,
5498 new_crtc_state->planes_changed,
5499 new_crtc_state->mode_changed,
5500 new_crtc_state->active_changed,
5501 new_crtc_state->connectors_changed);
5503 /* Remove stream for any changed/disabled CRTC */
5506 if (!dm_old_crtc_state->stream)
5509 ret = dm_atomic_get_state(state, &dm_state);
5513 DRM_DEBUG_DRIVER("Disabling DRM crtc: %d\n",
5516 /* i.e. reset mode */
5517 if (dc_remove_stream_from_ctx(
5520 dm_old_crtc_state->stream) != DC_OK) {
5525 dc_stream_release(dm_old_crtc_state->stream);
5526 dm_new_crtc_state->stream = NULL;
5528 reset_freesync_config_for_crtc(dm_new_crtc_state);
5530 *lock_and_validation_needed = true;
5532 } else {/* Add stream for any updated/enabled CRTC */
5534 * Quick fix to prevent NULL pointer on new_stream when
5535 * added MST connectors not found in existing crtc_state in the chained mode
5536 * TODO: need to dig out the root cause of that
5538 if (!aconnector || (!aconnector->dc_sink && aconnector->mst_port))
5541 if (modereset_required(new_crtc_state))
5544 if (modeset_required(new_crtc_state, new_stream,
5545 dm_old_crtc_state->stream)) {
5547 WARN_ON(dm_new_crtc_state->stream);
5549 ret = dm_atomic_get_state(state, &dm_state);
5553 dm_new_crtc_state->stream = new_stream;
5555 dc_stream_retain(new_stream);
5557 DRM_DEBUG_DRIVER("Enabling DRM crtc: %d\n",
5560 if (dc_add_stream_to_ctx(
5563 dm_new_crtc_state->stream) != DC_OK) {
5568 *lock_and_validation_needed = true;
5573 /* Release extra reference */
5575 dc_stream_release(new_stream);
5578 * We want to do dc stream updates that do not require a
5579 * full modeset below.
5581 if (!(enable && aconnector && new_crtc_state->enable &&
5582 new_crtc_state->active))
5585 * Given above conditions, the dc state cannot be NULL because:
5586 * 1. We're in the process of enabling CRTCs (just been added
5587 * to the dc context, or already is on the context)
5588 * 2. Has a valid connector attached, and
5589 * 3. Is currently active and enabled.
5590 * => The dc stream state currently exists.
5592 BUG_ON(dm_new_crtc_state->stream == NULL);
5594 /* Scaling or underscan settings */
5595 if (is_scaling_state_different(dm_old_conn_state, dm_new_conn_state))
5596 update_stream_scaling_settings(
5597 &new_crtc_state->mode, dm_new_conn_state, dm_new_crtc_state->stream);
5600 * Color management settings. We also update color properties
5601 * when a modeset is needed, to ensure it gets reprogrammed.
5603 if (dm_new_crtc_state->base.color_mgmt_changed ||
5604 drm_atomic_crtc_needs_modeset(new_crtc_state)) {
5605 ret = amdgpu_dm_set_regamma_lut(dm_new_crtc_state);
5608 amdgpu_dm_set_ctm(dm_new_crtc_state);
5611 /* Update Freesync settings. */
5612 get_freesync_config_for_crtc(dm_new_crtc_state,
5620 dc_stream_release(new_stream);
5624 static int dm_update_planes_state(struct dc *dc,
5625 struct drm_atomic_state *state,
5627 bool *lock_and_validation_needed)
5630 struct dm_atomic_state *dm_state = NULL;
5631 struct drm_crtc *new_plane_crtc, *old_plane_crtc;
5632 struct drm_crtc_state *old_crtc_state, *new_crtc_state;
5633 struct drm_plane *plane;
5634 struct drm_plane_state *old_plane_state, *new_plane_state;
5635 struct dm_crtc_state *dm_new_crtc_state, *dm_old_crtc_state;
5636 struct dm_plane_state *dm_new_plane_state, *dm_old_plane_state;
5638 /* TODO return page_flip_needed() function */
5639 bool pflip_needed = !state->allow_modeset;
5643 /* Add new planes, in reverse order as DC expectation */
5644 for_each_oldnew_plane_in_state_reverse(state, plane, old_plane_state, new_plane_state, i) {
5645 new_plane_crtc = new_plane_state->crtc;
5646 old_plane_crtc = old_plane_state->crtc;
5647 dm_new_plane_state = to_dm_plane_state(new_plane_state);
5648 dm_old_plane_state = to_dm_plane_state(old_plane_state);
5650 /*TODO Implement atomic check for cursor plane */
5651 if (plane->type == DRM_PLANE_TYPE_CURSOR)
5654 /* Remove any changed/removed planes */
5657 plane->type != DRM_PLANE_TYPE_OVERLAY)
5660 if (!old_plane_crtc)
5663 old_crtc_state = drm_atomic_get_old_crtc_state(
5664 state, old_plane_crtc);
5665 dm_old_crtc_state = to_dm_crtc_state(old_crtc_state);
5667 if (!dm_old_crtc_state->stream)
5670 DRM_DEBUG_ATOMIC("Disabling DRM plane: %d on DRM crtc %d\n",
5671 plane->base.id, old_plane_crtc->base.id);
5673 ret = dm_atomic_get_state(state, &dm_state);
5677 if (!dc_remove_plane_from_context(
5679 dm_old_crtc_state->stream,
5680 dm_old_plane_state->dc_state,
5681 dm_state->context)) {
5688 dc_plane_state_release(dm_old_plane_state->dc_state);
5689 dm_new_plane_state->dc_state = NULL;
5691 *lock_and_validation_needed = true;
5693 } else { /* Add new planes */
5694 struct dc_plane_state *dc_new_plane_state;
5696 if (drm_atomic_plane_disabling(plane->state, new_plane_state))
5699 if (!new_plane_crtc)
5702 new_crtc_state = drm_atomic_get_new_crtc_state(state, new_plane_crtc);
5703 dm_new_crtc_state = to_dm_crtc_state(new_crtc_state);
5705 if (!dm_new_crtc_state->stream)
5709 plane->type != DRM_PLANE_TYPE_OVERLAY)
5712 WARN_ON(dm_new_plane_state->dc_state);
5714 dc_new_plane_state = dc_create_plane_state(dc);
5715 if (!dc_new_plane_state)
5718 DRM_DEBUG_DRIVER("Enabling DRM plane: %d on DRM crtc %d\n",
5719 plane->base.id, new_plane_crtc->base.id);
5721 ret = fill_plane_attributes(
5722 new_plane_crtc->dev->dev_private,
5727 dc_plane_state_release(dc_new_plane_state);
5731 ret = dm_atomic_get_state(state, &dm_state);
5733 dc_plane_state_release(dc_new_plane_state);
5738 * Any atomic check errors that occur after this will
5739 * not need a release. The plane state will be attached
5740 * to the stream, and therefore part of the atomic
5741 * state. It'll be released when the atomic state is
5744 if (!dc_add_plane_to_context(
5746 dm_new_crtc_state->stream,
5748 dm_state->context)) {
5750 dc_plane_state_release(dc_new_plane_state);
5754 dm_new_plane_state->dc_state = dc_new_plane_state;
5756 /* Tell DC to do a full surface update every time there
5757 * is a plane change. Inefficient, but works for now.
5759 dm_new_plane_state->dc_state->update_flags.bits.full_update = 1;
5761 *lock_and_validation_needed = true;
5770 dm_determine_update_type_for_commit(struct dc *dc,
5771 struct drm_atomic_state *state,
5772 enum surface_update_type *out_type)
5774 struct dm_atomic_state *dm_state = NULL, *old_dm_state = NULL;
5775 int i, j, num_plane, ret = 0;
5776 struct drm_plane_state *old_plane_state, *new_plane_state;
5777 struct dm_plane_state *new_dm_plane_state, *old_dm_plane_state;
5778 struct drm_crtc *new_plane_crtc, *old_plane_crtc;
5779 struct drm_plane *plane;
5781 struct drm_crtc *crtc;
5782 struct drm_crtc_state *new_crtc_state, *old_crtc_state;
5783 struct dm_crtc_state *new_dm_crtc_state, *old_dm_crtc_state;
5784 struct dc_stream_status *status = NULL;
5786 struct dc_surface_update *updates = kzalloc(MAX_SURFACES * sizeof(struct dc_surface_update), GFP_KERNEL);
5787 struct dc_plane_state *surface = kzalloc(MAX_SURFACES * sizeof(struct dc_plane_state), GFP_KERNEL);
5788 struct dc_stream_update stream_update;
5789 enum surface_update_type update_type = UPDATE_TYPE_FAST;
5791 if (!updates || !surface) {
5792 DRM_ERROR("Plane or surface update failed to allocate");
5793 /* Set type to FULL to avoid crashing in DC*/
5794 update_type = UPDATE_TYPE_FULL;
5798 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
5799 new_dm_crtc_state = to_dm_crtc_state(new_crtc_state);
5800 old_dm_crtc_state = to_dm_crtc_state(old_crtc_state);
5803 if (new_dm_crtc_state->stream) {
5805 for_each_oldnew_plane_in_state(state, plane, old_plane_state, new_plane_state, j) {
5806 new_plane_crtc = new_plane_state->crtc;
5807 old_plane_crtc = old_plane_state->crtc;
5808 new_dm_plane_state = to_dm_plane_state(new_plane_state);
5809 old_dm_plane_state = to_dm_plane_state(old_plane_state);
5811 if (plane->type == DRM_PLANE_TYPE_CURSOR)
5814 if (!state->allow_modeset)
5817 if (crtc == new_plane_crtc) {
5818 updates[num_plane].surface = &surface[num_plane];
5820 if (new_crtc_state->mode_changed) {
5821 updates[num_plane].surface->src_rect =
5822 new_dm_plane_state->dc_state->src_rect;
5823 updates[num_plane].surface->dst_rect =
5824 new_dm_plane_state->dc_state->dst_rect;
5825 updates[num_plane].surface->rotation =
5826 new_dm_plane_state->dc_state->rotation;
5827 updates[num_plane].surface->in_transfer_func =
5828 new_dm_plane_state->dc_state->in_transfer_func;
5829 stream_update.dst = new_dm_crtc_state->stream->dst;
5830 stream_update.src = new_dm_crtc_state->stream->src;
5833 if (new_crtc_state->color_mgmt_changed) {
5834 updates[num_plane].gamma =
5835 new_dm_plane_state->dc_state->gamma_correction;
5836 updates[num_plane].in_transfer_func =
5837 new_dm_plane_state->dc_state->in_transfer_func;
5838 stream_update.gamut_remap =
5839 &new_dm_crtc_state->stream->gamut_remap_matrix;
5840 stream_update.out_transfer_func =
5841 new_dm_crtc_state->stream->out_transfer_func;
5848 if (num_plane > 0) {
5849 ret = dm_atomic_get_state(state, &dm_state);
5853 old_dm_state = dm_atomic_get_old_state(state);
5854 if (!old_dm_state) {
5859 status = dc_state_get_stream_status(old_dm_state->context,
5860 new_dm_crtc_state->stream);
5862 update_type = dc_check_update_surfaces_for_stream(dc, updates, num_plane,
5863 &stream_update, status);
5865 if (update_type > UPDATE_TYPE_MED) {
5866 update_type = UPDATE_TYPE_FULL;
5871 } else if (!new_dm_crtc_state->stream && old_dm_crtc_state->stream) {
5872 update_type = UPDATE_TYPE_FULL;
5881 *out_type = update_type;
5886 * amdgpu_dm_atomic_check() - Atomic check implementation for AMDgpu DM.
5887 * @dev: The DRM device
5888 * @state: The atomic state to commit
5890 * Validate that the given atomic state is programmable by DC into hardware.
5891 * This involves constructing a &struct dc_state reflecting the new hardware
5892 * state we wish to commit, then querying DC to see if it is programmable. It's
5893 * important not to modify the existing DC state. Otherwise, atomic_check
5894 * may unexpectedly commit hardware changes.
5896 * When validating the DC state, it's important that the right locks are
5897 * acquired. For full updates case which removes/adds/updates streams on one
5898 * CRTC while flipping on another CRTC, acquiring global lock will guarantee
5899 * that any such full update commit will wait for completion of any outstanding
5900 * flip using DRMs synchronization events. See
5901 * dm_determine_update_type_for_commit()
5903 * Note that DM adds the affected connectors for all CRTCs in state, when that
5904 * might not seem necessary. This is because DC stream creation requires the
5905 * DC sink, which is tied to the DRM connector state. Cleaning this up should
5906 * be possible but non-trivial - a possible TODO item.
5908 * Return: -Error code if validation failed.
5910 static int amdgpu_dm_atomic_check(struct drm_device *dev,
5911 struct drm_atomic_state *state)
5913 struct amdgpu_device *adev = dev->dev_private;
5914 struct dm_atomic_state *dm_state = NULL;
5915 struct dc *dc = adev->dm.dc;
5916 struct drm_connector *connector;
5917 struct drm_connector_state *old_con_state, *new_con_state;
5918 struct drm_crtc *crtc;
5919 struct drm_crtc_state *old_crtc_state, *new_crtc_state;
5920 enum surface_update_type update_type = UPDATE_TYPE_FAST;
5921 enum surface_update_type overall_update_type = UPDATE_TYPE_FAST;
5926 * This bool will be set for true for any modeset/reset
5927 * or plane update which implies non fast surface update.
5929 bool lock_and_validation_needed = false;
5931 ret = drm_atomic_helper_check_modeset(dev, state);
5935 for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state, new_crtc_state, i) {
5936 if (!drm_atomic_crtc_needs_modeset(new_crtc_state) &&
5937 !new_crtc_state->color_mgmt_changed &&
5938 old_crtc_state->vrr_enabled == new_crtc_state->vrr_enabled)
5941 if (!new_crtc_state->enable)
5944 ret = drm_atomic_add_affected_connectors(state, crtc);
5948 ret = drm_atomic_add_affected_planes(state, crtc);
5953 /* Remove exiting planes if they are modified */
5954 ret = dm_update_planes_state(dc, state, false, &lock_and_validation_needed);
5959 /* Disable all crtcs which require disable */
5960 ret = dm_update_crtcs_state(&adev->dm, state, false, &lock_and_validation_needed);
5965 /* Enable all crtcs which require enable */
5966 ret = dm_update_crtcs_state(&adev->dm, state, true, &lock_and_validation_needed);
5971 /* Add new/modified planes */
5972 ret = dm_update_planes_state(dc, state, true, &lock_and_validation_needed);
5977 /* Run this here since we want to validate the streams we created */
5978 ret = drm_atomic_helper_check_planes(dev, state);
5982 /* Check scaling and underscan changes*/
5983 /* TODO Removed scaling changes validation due to inability to commit
5984 * new stream into context w\o causing full reset. Need to
5985 * decide how to handle.
5987 for_each_oldnew_connector_in_state(state, connector, old_con_state, new_con_state, i) {
5988 struct dm_connector_state *dm_old_con_state = to_dm_connector_state(old_con_state);
5989 struct dm_connector_state *dm_new_con_state = to_dm_connector_state(new_con_state);
5990 struct amdgpu_crtc *acrtc = to_amdgpu_crtc(dm_new_con_state->base.crtc);
5992 /* Skip any modesets/resets */
5993 if (!acrtc || drm_atomic_crtc_needs_modeset(
5994 drm_atomic_get_new_crtc_state(state, &acrtc->base)))
5997 /* Skip any thing not scale or underscan changes */
5998 if (!is_scaling_state_different(dm_new_con_state, dm_old_con_state))
6001 overall_update_type = UPDATE_TYPE_FULL;
6002 lock_and_validation_needed = true;
6005 ret = dm_determine_update_type_for_commit(dc, state, &update_type);
6009 if (overall_update_type < update_type)
6010 overall_update_type = update_type;
6013 * lock_and_validation_needed was an old way to determine if we need to set
6014 * the global lock. Leaving it in to check if we broke any corner cases
6015 * lock_and_validation_needed true = UPDATE_TYPE_FULL or UPDATE_TYPE_MED
6016 * lock_and_validation_needed false = UPDATE_TYPE_FAST
6018 if (lock_and_validation_needed && overall_update_type <= UPDATE_TYPE_FAST)
6019 WARN(1, "Global lock should be Set, overall_update_type should be UPDATE_TYPE_MED or UPDATE_TYPE_FULL");
6020 else if (!lock_and_validation_needed && overall_update_type > UPDATE_TYPE_FAST)
6021 WARN(1, "Global lock should NOT be set, overall_update_type should be UPDATE_TYPE_FAST");
6024 if (overall_update_type > UPDATE_TYPE_FAST) {
6025 ret = dm_atomic_get_state(state, &dm_state);
6029 ret = do_aquire_global_lock(dev, state);
6033 if (dc_validate_global_state(dc, dm_state->context) != DC_OK) {
6037 } else if (state->legacy_cursor_update) {
6039 * This is a fast cursor update coming from the plane update
6040 * helper, check if it can be done asynchronously for better
6043 state->async_update = !drm_atomic_helper_async_check(dev, state);
6046 /* Must be success */
6051 if (ret == -EDEADLK)
6052 DRM_DEBUG_DRIVER("Atomic check stopped to avoid deadlock.\n");
6053 else if (ret == -EINTR || ret == -EAGAIN || ret == -ERESTARTSYS)
6054 DRM_DEBUG_DRIVER("Atomic check stopped due to signal.\n");
6056 DRM_DEBUG_DRIVER("Atomic check failed with err: %d \n", ret);
6061 static bool is_dp_capable_without_timing_msa(struct dc *dc,
6062 struct amdgpu_dm_connector *amdgpu_dm_connector)
6065 bool capable = false;
6067 if (amdgpu_dm_connector->dc_link &&
6068 dm_helpers_dp_read_dpcd(
6070 amdgpu_dm_connector->dc_link,
6071 DP_DOWN_STREAM_PORT_COUNT,
6073 sizeof(dpcd_data))) {
6074 capable = (dpcd_data & DP_MSA_TIMING_PAR_IGNORED) ? true:false;
6079 void amdgpu_dm_update_freesync_caps(struct drm_connector *connector,
6083 bool edid_check_required;
6084 struct detailed_timing *timing;
6085 struct detailed_non_pixel *data;
6086 struct detailed_data_monitor_range *range;
6087 struct amdgpu_dm_connector *amdgpu_dm_connector =
6088 to_amdgpu_dm_connector(connector);
6089 struct dm_connector_state *dm_con_state = NULL;
6091 struct drm_device *dev = connector->dev;
6092 struct amdgpu_device *adev = dev->dev_private;
6093 bool freesync_capable = false;
6095 if (!connector->state) {
6096 DRM_ERROR("%s - Connector has no state", __func__);
6101 dm_con_state = to_dm_connector_state(connector->state);
6103 amdgpu_dm_connector->min_vfreq = 0;
6104 amdgpu_dm_connector->max_vfreq = 0;
6105 amdgpu_dm_connector->pixel_clock_mhz = 0;
6110 dm_con_state = to_dm_connector_state(connector->state);
6112 edid_check_required = false;
6113 if (!amdgpu_dm_connector->dc_sink) {
6114 DRM_ERROR("dc_sink NULL, could not add free_sync module.\n");
6117 if (!adev->dm.freesync_module)
6120 * if edid non zero restrict freesync only for dp and edp
6123 if (amdgpu_dm_connector->dc_sink->sink_signal == SIGNAL_TYPE_DISPLAY_PORT
6124 || amdgpu_dm_connector->dc_sink->sink_signal == SIGNAL_TYPE_EDP) {
6125 edid_check_required = is_dp_capable_without_timing_msa(
6127 amdgpu_dm_connector);
6130 if (edid_check_required == true && (edid->version > 1 ||
6131 (edid->version == 1 && edid->revision > 1))) {
6132 for (i = 0; i < 4; i++) {
6134 timing = &edid->detailed_timings[i];
6135 data = &timing->data.other_data;
6136 range = &data->data.range;
6138 * Check if monitor has continuous frequency mode
6140 if (data->type != EDID_DETAIL_MONITOR_RANGE)
6143 * Check for flag range limits only. If flag == 1 then
6144 * no additional timing information provided.
6145 * Default GTF, GTF Secondary curve and CVT are not
6148 if (range->flags != 1)
6151 amdgpu_dm_connector->min_vfreq = range->min_vfreq;
6152 amdgpu_dm_connector->max_vfreq = range->max_vfreq;
6153 amdgpu_dm_connector->pixel_clock_mhz =
6154 range->pixel_clock_mhz * 10;
6158 if (amdgpu_dm_connector->max_vfreq -
6159 amdgpu_dm_connector->min_vfreq > 10) {
6161 freesync_capable = true;
6167 dm_con_state->freesync_capable = freesync_capable;
6169 if (connector->vrr_capable_property)
6170 drm_connector_set_vrr_capable_property(connector,