2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
24 * Authors: Dave Airlie
30 #include <drm/amdgpu_drm.h>
31 #include "amdgpu_uvd.h"
32 #include "amdgpu_vce.h"
34 #include <linux/vga_switcheroo.h>
35 #include <linux/slab.h>
36 #include <linux/pm_runtime.h>
37 #include "amdgpu_amdkfd.h"
39 #if defined(CONFIG_VGA_SWITCHEROO)
40 bool amdgpu_has_atpx(void);
42 static inline bool amdgpu_has_atpx(void) { return false; }
46 * amdgpu_driver_unload_kms - Main unload function for KMS.
48 * @dev: drm dev pointer
50 * This is the main unload function for KMS (all asics).
51 * Returns 0 on success.
53 int amdgpu_driver_unload_kms(struct drm_device *dev)
55 struct amdgpu_device *adev = dev->dev_private;
60 if (adev->rmmio == NULL)
63 if (amdgpu_device_is_px(dev)) {
64 pm_runtime_get_sync(dev->dev);
65 pm_runtime_forbid(dev->dev);
68 amdgpu_amdkfd_device_fini(adev);
70 amdgpu_acpi_fini(adev);
72 amdgpu_device_fini(adev);
76 dev->dev_private = NULL;
81 * amdgpu_driver_load_kms - Main load function for KMS.
83 * @dev: drm dev pointer
84 * @flags: device flags
86 * This is the main load function for KMS (all asics).
87 * Returns 0 on success, error on failure.
89 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags)
91 struct amdgpu_device *adev;
94 adev = kzalloc(sizeof(struct amdgpu_device), GFP_KERNEL);
98 dev->dev_private = (void *)adev;
100 if ((amdgpu_runtime_pm != 0) &&
102 ((flags & AMD_IS_APU) == 0))
105 /* amdgpu_device_init should report only fatal error
106 * like memory allocation failure or iomapping failure,
107 * or memory manager initialization failure, it must
108 * properly initialize the GPU MC controller and permit
111 r = amdgpu_device_init(adev, dev, dev->pdev, flags);
113 dev_err(&dev->pdev->dev, "Fatal error during GPU init\n");
117 /* Call ACPI methods: require modeset init
118 * but failure is not fatal
121 acpi_status = amdgpu_acpi_init(adev);
123 dev_dbg(&dev->pdev->dev,
124 "Error during ACPI methods call\n");
127 amdgpu_amdkfd_load_interface(adev);
128 amdgpu_amdkfd_device_probe(adev);
129 amdgpu_amdkfd_device_init(adev);
131 if (amdgpu_device_is_px(dev)) {
132 pm_runtime_use_autosuspend(dev->dev);
133 pm_runtime_set_autosuspend_delay(dev->dev, 5000);
134 pm_runtime_set_active(dev->dev);
135 pm_runtime_allow(dev->dev);
136 pm_runtime_mark_last_busy(dev->dev);
137 pm_runtime_put_autosuspend(dev->dev);
142 /* balance pm_runtime_get_sync in amdgpu_driver_unload_kms */
143 if (adev->rmmio && amdgpu_device_is_px(dev))
144 pm_runtime_put_noidle(dev->dev);
145 amdgpu_driver_unload_kms(dev);
151 static int amdgpu_firmware_info(struct drm_amdgpu_info_firmware *fw_info,
152 struct drm_amdgpu_query_fw *query_fw,
153 struct amdgpu_device *adev)
155 switch (query_fw->fw_type) {
156 case AMDGPU_INFO_FW_VCE:
157 fw_info->ver = adev->vce.fw_version;
158 fw_info->feature = adev->vce.fb_version;
160 case AMDGPU_INFO_FW_UVD:
161 fw_info->ver = adev->uvd.fw_version;
162 fw_info->feature = 0;
164 case AMDGPU_INFO_FW_GMC:
165 fw_info->ver = adev->mc.fw_version;
166 fw_info->feature = 0;
168 case AMDGPU_INFO_FW_GFX_ME:
169 fw_info->ver = adev->gfx.me_fw_version;
170 fw_info->feature = adev->gfx.me_feature_version;
172 case AMDGPU_INFO_FW_GFX_PFP:
173 fw_info->ver = adev->gfx.pfp_fw_version;
174 fw_info->feature = adev->gfx.pfp_feature_version;
176 case AMDGPU_INFO_FW_GFX_CE:
177 fw_info->ver = adev->gfx.ce_fw_version;
178 fw_info->feature = adev->gfx.ce_feature_version;
180 case AMDGPU_INFO_FW_GFX_RLC:
181 fw_info->ver = adev->gfx.rlc_fw_version;
182 fw_info->feature = adev->gfx.rlc_feature_version;
184 case AMDGPU_INFO_FW_GFX_MEC:
185 if (query_fw->index == 0) {
186 fw_info->ver = adev->gfx.mec_fw_version;
187 fw_info->feature = adev->gfx.mec_feature_version;
188 } else if (query_fw->index == 1) {
189 fw_info->ver = adev->gfx.mec2_fw_version;
190 fw_info->feature = adev->gfx.mec2_feature_version;
194 case AMDGPU_INFO_FW_SMC:
195 fw_info->ver = adev->pm.fw_version;
196 fw_info->feature = 0;
198 case AMDGPU_INFO_FW_SDMA:
199 if (query_fw->index >= adev->sdma.num_instances)
201 fw_info->ver = adev->sdma.instance[query_fw->index].fw_version;
202 fw_info->feature = adev->sdma.instance[query_fw->index].feature_version;
211 * Userspace get information ioctl
214 * amdgpu_info_ioctl - answer a device specific request.
216 * @adev: amdgpu device pointer
217 * @data: request object
220 * This function is used to pass device specific parameters to the userspace
221 * drivers. Examples include: pci device id, pipeline parms, tiling params,
223 * Returns 0 on success, -EINVAL on failure.
225 static int amdgpu_info_ioctl(struct drm_device *dev, void *data, struct drm_file *filp)
227 struct amdgpu_device *adev = dev->dev_private;
228 struct drm_amdgpu_info *info = data;
229 struct amdgpu_mode_info *minfo = &adev->mode_info;
230 void __user *out = (void __user *)(long)info->return_pointer;
231 uint32_t size = info->return_size;
232 struct drm_crtc *crtc;
237 if (!info->return_size || !info->return_pointer)
240 switch (info->query) {
241 case AMDGPU_INFO_ACCEL_WORKING:
242 ui32 = adev->accel_working;
243 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
244 case AMDGPU_INFO_CRTC_FROM_ID:
245 for (i = 0, found = 0; i < adev->mode_info.num_crtc; i++) {
246 crtc = (struct drm_crtc *)minfo->crtcs[i];
247 if (crtc && crtc->base.id == info->mode_crtc.id) {
248 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
249 ui32 = amdgpu_crtc->crtc_id;
255 DRM_DEBUG_KMS("unknown crtc id %d\n", info->mode_crtc.id);
258 return copy_to_user(out, &ui32, min(size, 4u)) ? -EFAULT : 0;
259 case AMDGPU_INFO_HW_IP_INFO: {
260 struct drm_amdgpu_info_hw_ip ip = {};
261 enum amd_ip_block_type type;
262 uint32_t ring_mask = 0;
263 uint32_t ib_start_alignment = 0;
264 uint32_t ib_size_alignment = 0;
266 if (info->query_hw_ip.ip_instance >= AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
269 switch (info->query_hw_ip.type) {
270 case AMDGPU_HW_IP_GFX:
271 type = AMD_IP_BLOCK_TYPE_GFX;
272 for (i = 0; i < adev->gfx.num_gfx_rings; i++)
273 ring_mask |= ((adev->gfx.gfx_ring[i].ready ? 1 : 0) << i);
274 ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
275 ib_size_alignment = 8;
277 case AMDGPU_HW_IP_COMPUTE:
278 type = AMD_IP_BLOCK_TYPE_GFX;
279 for (i = 0; i < adev->gfx.num_compute_rings; i++)
280 ring_mask |= ((adev->gfx.compute_ring[i].ready ? 1 : 0) << i);
281 ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
282 ib_size_alignment = 8;
284 case AMDGPU_HW_IP_DMA:
285 type = AMD_IP_BLOCK_TYPE_SDMA;
286 for (i = 0; i < adev->sdma.num_instances; i++)
287 ring_mask |= ((adev->sdma.instance[i].ring.ready ? 1 : 0) << i);
288 ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
289 ib_size_alignment = 1;
291 case AMDGPU_HW_IP_UVD:
292 type = AMD_IP_BLOCK_TYPE_UVD;
293 ring_mask = adev->uvd.ring.ready ? 1 : 0;
294 ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
295 ib_size_alignment = 8;
297 case AMDGPU_HW_IP_VCE:
298 type = AMD_IP_BLOCK_TYPE_VCE;
299 for (i = 0; i < AMDGPU_MAX_VCE_RINGS; i++)
300 ring_mask |= ((adev->vce.ring[i].ready ? 1 : 0) << i);
301 ib_start_alignment = AMDGPU_GPU_PAGE_SIZE;
302 ib_size_alignment = 8;
308 for (i = 0; i < adev->num_ip_blocks; i++) {
309 if (adev->ip_blocks[i].type == type &&
310 adev->ip_block_status[i].valid) {
311 ip.hw_ip_version_major = adev->ip_blocks[i].major;
312 ip.hw_ip_version_minor = adev->ip_blocks[i].minor;
313 ip.capabilities_flags = 0;
314 ip.available_rings = ring_mask;
315 ip.ib_start_alignment = ib_start_alignment;
316 ip.ib_size_alignment = ib_size_alignment;
320 return copy_to_user(out, &ip,
321 min((size_t)size, sizeof(ip))) ? -EFAULT : 0;
323 case AMDGPU_INFO_HW_IP_COUNT: {
324 enum amd_ip_block_type type;
327 switch (info->query_hw_ip.type) {
328 case AMDGPU_HW_IP_GFX:
329 type = AMD_IP_BLOCK_TYPE_GFX;
331 case AMDGPU_HW_IP_COMPUTE:
332 type = AMD_IP_BLOCK_TYPE_GFX;
334 case AMDGPU_HW_IP_DMA:
335 type = AMD_IP_BLOCK_TYPE_SDMA;
337 case AMDGPU_HW_IP_UVD:
338 type = AMD_IP_BLOCK_TYPE_UVD;
340 case AMDGPU_HW_IP_VCE:
341 type = AMD_IP_BLOCK_TYPE_VCE;
347 for (i = 0; i < adev->num_ip_blocks; i++)
348 if (adev->ip_blocks[i].type == type &&
349 adev->ip_block_status[i].valid &&
350 count < AMDGPU_HW_IP_INSTANCE_MAX_COUNT)
353 return copy_to_user(out, &count, min(size, 4u)) ? -EFAULT : 0;
355 case AMDGPU_INFO_TIMESTAMP:
356 ui64 = amdgpu_gfx_get_gpu_clock_counter(adev);
357 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
358 case AMDGPU_INFO_FW_VERSION: {
359 struct drm_amdgpu_info_firmware fw_info;
362 /* We only support one instance of each IP block right now. */
363 if (info->query_fw.ip_instance != 0)
366 ret = amdgpu_firmware_info(&fw_info, &info->query_fw, adev);
370 return copy_to_user(out, &fw_info,
371 min((size_t)size, sizeof(fw_info))) ? -EFAULT : 0;
373 case AMDGPU_INFO_NUM_BYTES_MOVED:
374 ui64 = atomic64_read(&adev->num_bytes_moved);
375 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
376 case AMDGPU_INFO_VRAM_USAGE:
377 ui64 = atomic64_read(&adev->vram_usage);
378 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
379 case AMDGPU_INFO_VIS_VRAM_USAGE:
380 ui64 = atomic64_read(&adev->vram_vis_usage);
381 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
382 case AMDGPU_INFO_GTT_USAGE:
383 ui64 = atomic64_read(&adev->gtt_usage);
384 return copy_to_user(out, &ui64, min(size, 8u)) ? -EFAULT : 0;
385 case AMDGPU_INFO_GDS_CONFIG: {
386 struct drm_amdgpu_info_gds gds_info;
388 memset(&gds_info, 0, sizeof(gds_info));
389 gds_info.gds_gfx_partition_size = adev->gds.mem.gfx_partition_size >> AMDGPU_GDS_SHIFT;
390 gds_info.compute_partition_size = adev->gds.mem.cs_partition_size >> AMDGPU_GDS_SHIFT;
391 gds_info.gds_total_size = adev->gds.mem.total_size >> AMDGPU_GDS_SHIFT;
392 gds_info.gws_per_gfx_partition = adev->gds.gws.gfx_partition_size >> AMDGPU_GWS_SHIFT;
393 gds_info.gws_per_compute_partition = adev->gds.gws.cs_partition_size >> AMDGPU_GWS_SHIFT;
394 gds_info.oa_per_gfx_partition = adev->gds.oa.gfx_partition_size >> AMDGPU_OA_SHIFT;
395 gds_info.oa_per_compute_partition = adev->gds.oa.cs_partition_size >> AMDGPU_OA_SHIFT;
396 return copy_to_user(out, &gds_info,
397 min((size_t)size, sizeof(gds_info))) ? -EFAULT : 0;
399 case AMDGPU_INFO_VRAM_GTT: {
400 struct drm_amdgpu_info_vram_gtt vram_gtt;
402 vram_gtt.vram_size = adev->mc.real_vram_size;
403 vram_gtt.vram_size -= adev->vram_pin_size;
404 vram_gtt.vram_cpu_accessible_size = adev->mc.visible_vram_size;
405 vram_gtt.vram_cpu_accessible_size -= (adev->vram_pin_size - adev->invisible_pin_size);
406 vram_gtt.gtt_size = adev->mc.gtt_size;
407 vram_gtt.gtt_size -= adev->gart_pin_size;
408 return copy_to_user(out, &vram_gtt,
409 min((size_t)size, sizeof(vram_gtt))) ? -EFAULT : 0;
411 case AMDGPU_INFO_READ_MMR_REG: {
412 unsigned n, alloc_size;
414 unsigned se_num = (info->read_mmr_reg.instance >>
415 AMDGPU_INFO_MMR_SE_INDEX_SHIFT) &
416 AMDGPU_INFO_MMR_SE_INDEX_MASK;
417 unsigned sh_num = (info->read_mmr_reg.instance >>
418 AMDGPU_INFO_MMR_SH_INDEX_SHIFT) &
419 AMDGPU_INFO_MMR_SH_INDEX_MASK;
421 /* set full masks if the userspace set all bits
422 * in the bitfields */
423 if (se_num == AMDGPU_INFO_MMR_SE_INDEX_MASK)
425 if (sh_num == AMDGPU_INFO_MMR_SH_INDEX_MASK)
428 regs = kmalloc_array(info->read_mmr_reg.count, sizeof(*regs), GFP_KERNEL);
431 alloc_size = info->read_mmr_reg.count * sizeof(*regs);
433 for (i = 0; i < info->read_mmr_reg.count; i++)
434 if (amdgpu_asic_read_register(adev, se_num, sh_num,
435 info->read_mmr_reg.dword_offset + i,
437 DRM_DEBUG_KMS("unallowed offset %#x\n",
438 info->read_mmr_reg.dword_offset + i);
442 n = copy_to_user(out, regs, min(size, alloc_size));
444 return n ? -EFAULT : 0;
446 case AMDGPU_INFO_DEV_INFO: {
447 struct drm_amdgpu_info_device dev_info = {};
449 dev_info.device_id = dev->pdev->device;
450 dev_info.chip_rev = adev->rev_id;
451 dev_info.external_rev = adev->external_rev_id;
452 dev_info.pci_rev = dev->pdev->revision;
453 dev_info.family = adev->family;
454 dev_info.num_shader_engines = adev->gfx.config.max_shader_engines;
455 dev_info.num_shader_arrays_per_engine = adev->gfx.config.max_sh_per_se;
456 /* return all clocks in KHz */
457 dev_info.gpu_counter_freq = amdgpu_asic_get_xclk(adev) * 10;
458 if (adev->pm.dpm_enabled) {
459 dev_info.max_engine_clock =
460 adev->pm.dpm.dyn_state.max_clock_voltage_on_ac.sclk * 10;
461 dev_info.max_memory_clock =
462 adev->pm.dpm.dyn_state.max_clock_voltage_on_ac.mclk * 10;
464 dev_info.max_engine_clock = adev->pm.default_sclk * 10;
465 dev_info.max_memory_clock = adev->pm.default_mclk * 10;
467 dev_info.enabled_rb_pipes_mask = adev->gfx.config.backend_enable_mask;
468 dev_info.num_rb_pipes = adev->gfx.config.max_backends_per_se *
469 adev->gfx.config.max_shader_engines;
470 dev_info.num_hw_gfx_contexts = adev->gfx.config.max_hw_contexts;
472 dev_info.ids_flags = 0;
473 if (adev->flags & AMD_IS_APU)
474 dev_info.ids_flags |= AMDGPU_IDS_FLAGS_FUSION;
475 dev_info.virtual_address_offset = AMDGPU_VA_RESERVED_SIZE;
476 dev_info.virtual_address_max = (uint64_t)adev->vm_manager.max_pfn * AMDGPU_GPU_PAGE_SIZE;
477 dev_info.virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
478 dev_info.pte_fragment_size = (1 << AMDGPU_LOG2_PAGES_PER_FRAG) *
479 AMDGPU_GPU_PAGE_SIZE;
480 dev_info.gart_page_size = AMDGPU_GPU_PAGE_SIZE;
482 dev_info.cu_active_number = adev->gfx.cu_info.number;
483 dev_info.cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
484 dev_info.ce_ram_size = adev->gfx.ce_ram_size;
485 memcpy(&dev_info.cu_bitmap[0], &adev->gfx.cu_info.bitmap[0],
486 sizeof(adev->gfx.cu_info.bitmap));
487 dev_info.vram_type = adev->mc.vram_type;
488 dev_info.vram_bit_width = adev->mc.vram_width;
489 dev_info.vce_harvest_config = adev->vce.harvest_config;
491 return copy_to_user(out, &dev_info,
492 min((size_t)size, sizeof(dev_info))) ? -EFAULT : 0;
495 DRM_DEBUG_KMS("Invalid request %d\n", info->query);
503 * Outdated mess for old drm with Xorg being in charge (void function now).
506 * amdgpu_driver_lastclose_kms - drm callback for last close
508 * @dev: drm dev pointer
510 * Switch vga_switcheroo state after last close (all asics).
512 void amdgpu_driver_lastclose_kms(struct drm_device *dev)
514 struct amdgpu_device *adev = dev->dev_private;
516 amdgpu_fbdev_restore_mode(adev);
517 vga_switcheroo_process_delayed_switch();
521 * amdgpu_driver_open_kms - drm callback for open
523 * @dev: drm dev pointer
524 * @file_priv: drm file
526 * On device open, init vm on cayman+ (all asics).
527 * Returns 0 on success, error on failure.
529 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv)
531 struct amdgpu_device *adev = dev->dev_private;
532 struct amdgpu_fpriv *fpriv;
535 file_priv->driver_priv = NULL;
537 r = pm_runtime_get_sync(dev->dev);
541 fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL);
542 if (unlikely(!fpriv))
545 r = amdgpu_vm_init(adev, &fpriv->vm);
549 mutex_init(&fpriv->bo_list_lock);
550 idr_init(&fpriv->bo_list_handles);
552 amdgpu_ctx_mgr_init(&fpriv->ctx_mgr);
554 file_priv->driver_priv = fpriv;
556 pm_runtime_mark_last_busy(dev->dev);
557 pm_runtime_put_autosuspend(dev->dev);
567 * amdgpu_driver_postclose_kms - drm callback for post close
569 * @dev: drm dev pointer
570 * @file_priv: drm file
572 * On device post close, tear down vm on cayman+ (all asics).
574 void amdgpu_driver_postclose_kms(struct drm_device *dev,
575 struct drm_file *file_priv)
577 struct amdgpu_device *adev = dev->dev_private;
578 struct amdgpu_fpriv *fpriv = file_priv->driver_priv;
579 struct amdgpu_bo_list *list;
585 amdgpu_ctx_mgr_fini(&fpriv->ctx_mgr);
587 amdgpu_uvd_free_handles(adev, file_priv);
588 amdgpu_vce_free_handles(adev, file_priv);
590 amdgpu_vm_fini(adev, &fpriv->vm);
592 idr_for_each_entry(&fpriv->bo_list_handles, list, handle)
593 amdgpu_bo_list_free(list);
595 idr_destroy(&fpriv->bo_list_handles);
596 mutex_destroy(&fpriv->bo_list_lock);
599 file_priv->driver_priv = NULL;
603 * amdgpu_driver_preclose_kms - drm callback for pre close
605 * @dev: drm dev pointer
606 * @file_priv: drm file
608 * On device pre close, tear down hyperz and cmask filps on r1xx-r5xx
611 void amdgpu_driver_preclose_kms(struct drm_device *dev,
612 struct drm_file *file_priv)
617 * VBlank related functions.
620 * amdgpu_get_vblank_counter_kms - get frame count
622 * @dev: drm dev pointer
623 * @pipe: crtc to get the frame count from
625 * Gets the frame count on the requested crtc (all asics).
626 * Returns frame count on success, -EINVAL on failure.
628 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe)
630 struct amdgpu_device *adev = dev->dev_private;
631 int vpos, hpos, stat;
634 if (pipe >= adev->mode_info.num_crtc) {
635 DRM_ERROR("Invalid crtc %u\n", pipe);
639 /* The hw increments its frame counter at start of vsync, not at start
640 * of vblank, as is required by DRM core vblank counter handling.
641 * Cook the hw count here to make it appear to the caller as if it
642 * incremented at start of vblank. We measure distance to start of
643 * vblank in vpos. vpos therefore will be >= 0 between start of vblank
644 * and start of vsync, so vpos >= 0 means to bump the hw frame counter
645 * result by 1 to give the proper appearance to caller.
647 if (adev->mode_info.crtcs[pipe]) {
648 /* Repeat readout if needed to provide stable result if
649 * we cross start of vsync during the queries.
652 count = amdgpu_display_vblank_get_counter(adev, pipe);
653 /* Ask amdgpu_get_crtc_scanoutpos to return vpos as
654 * distance to start of vblank, instead of regular
655 * vertical scanout pos.
657 stat = amdgpu_get_crtc_scanoutpos(
658 dev, pipe, GET_DISTANCE_TO_VBLANKSTART,
659 &vpos, &hpos, NULL, NULL,
660 &adev->mode_info.crtcs[pipe]->base.hwmode);
661 } while (count != amdgpu_display_vblank_get_counter(adev, pipe));
663 if (((stat & (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE)) !=
664 (DRM_SCANOUTPOS_VALID | DRM_SCANOUTPOS_ACCURATE))) {
665 DRM_DEBUG_VBL("Query failed! stat %d\n", stat);
667 DRM_DEBUG_VBL("crtc %d: dist from vblank start %d\n",
670 /* Bump counter if we are at >= leading edge of vblank,
671 * but before vsync where vpos would turn negative and
672 * the hw counter really increments.
678 /* Fallback to use value as is. */
679 count = amdgpu_display_vblank_get_counter(adev, pipe);
680 DRM_DEBUG_VBL("NULL mode info! Returned count may be wrong.\n");
687 * amdgpu_enable_vblank_kms - enable vblank interrupt
689 * @dev: drm dev pointer
690 * @pipe: crtc to enable vblank interrupt for
692 * Enable the interrupt on the requested crtc (all asics).
693 * Returns 0 on success, -EINVAL on failure.
695 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe)
697 struct amdgpu_device *adev = dev->dev_private;
698 int idx = amdgpu_crtc_idx_to_irq_type(adev, pipe);
700 return amdgpu_irq_get(adev, &adev->crtc_irq, idx);
704 * amdgpu_disable_vblank_kms - disable vblank interrupt
706 * @dev: drm dev pointer
707 * @pipe: crtc to disable vblank interrupt for
709 * Disable the interrupt on the requested crtc (all asics).
711 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe)
713 struct amdgpu_device *adev = dev->dev_private;
714 int idx = amdgpu_crtc_idx_to_irq_type(adev, pipe);
716 amdgpu_irq_put(adev, &adev->crtc_irq, idx);
720 * amdgpu_get_vblank_timestamp_kms - get vblank timestamp
722 * @dev: drm dev pointer
723 * @crtc: crtc to get the timestamp for
724 * @max_error: max error
725 * @vblank_time: time value
726 * @flags: flags passed to the driver
728 * Gets the timestamp on the requested crtc based on the
729 * scanout position. (all asics).
730 * Returns postive status flags on success, negative error on failure.
732 int amdgpu_get_vblank_timestamp_kms(struct drm_device *dev, unsigned int pipe,
734 struct timeval *vblank_time,
737 struct drm_crtc *crtc;
738 struct amdgpu_device *adev = dev->dev_private;
740 if (pipe >= dev->num_crtcs) {
741 DRM_ERROR("Invalid crtc %u\n", pipe);
745 /* Get associated drm_crtc: */
746 crtc = &adev->mode_info.crtcs[pipe]->base;
748 /* This can occur on driver load if some component fails to
749 * initialize completely and driver is unloaded */
750 DRM_ERROR("Uninitialized crtc %d\n", pipe);
754 /* Helper routine in DRM core does all the work: */
755 return drm_calc_vbltimestamp_from_scanoutpos(dev, pipe, max_error,
760 const struct drm_ioctl_desc amdgpu_ioctls_kms[] = {
761 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_CREATE, amdgpu_gem_create_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
762 DRM_IOCTL_DEF_DRV(AMDGPU_CTX, amdgpu_ctx_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
763 DRM_IOCTL_DEF_DRV(AMDGPU_BO_LIST, amdgpu_bo_list_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
765 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_MMAP, amdgpu_gem_mmap_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
766 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_WAIT_IDLE, amdgpu_gem_wait_idle_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
767 DRM_IOCTL_DEF_DRV(AMDGPU_CS, amdgpu_cs_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
768 DRM_IOCTL_DEF_DRV(AMDGPU_INFO, amdgpu_info_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
769 DRM_IOCTL_DEF_DRV(AMDGPU_WAIT_CS, amdgpu_cs_wait_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
770 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_METADATA, amdgpu_gem_metadata_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
771 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_VA, amdgpu_gem_va_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
772 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_OP, amdgpu_gem_op_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
773 DRM_IOCTL_DEF_DRV(AMDGPU_GEM_USERPTR, amdgpu_gem_userptr_ioctl, DRM_AUTH|DRM_RENDER_ALLOW),
775 const int amdgpu_max_kms_ioctl = ARRAY_SIZE(amdgpu_ioctls_kms);
780 #if defined(CONFIG_DEBUG_FS)
782 static int amdgpu_debugfs_firmware_info(struct seq_file *m, void *data)
784 struct drm_info_node *node = (struct drm_info_node *) m->private;
785 struct drm_device *dev = node->minor->dev;
786 struct amdgpu_device *adev = dev->dev_private;
787 struct drm_amdgpu_info_firmware fw_info;
788 struct drm_amdgpu_query_fw query_fw;
792 query_fw.fw_type = AMDGPU_INFO_FW_VCE;
793 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
796 seq_printf(m, "VCE feature version: %u, firmware version: 0x%08x\n",
797 fw_info.feature, fw_info.ver);
800 query_fw.fw_type = AMDGPU_INFO_FW_UVD;
801 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
804 seq_printf(m, "UVD feature version: %u, firmware version: 0x%08x\n",
805 fw_info.feature, fw_info.ver);
808 query_fw.fw_type = AMDGPU_INFO_FW_GMC;
809 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
812 seq_printf(m, "MC feature version: %u, firmware version: 0x%08x\n",
813 fw_info.feature, fw_info.ver);
816 query_fw.fw_type = AMDGPU_INFO_FW_GFX_ME;
817 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
820 seq_printf(m, "ME feature version: %u, firmware version: 0x%08x\n",
821 fw_info.feature, fw_info.ver);
824 query_fw.fw_type = AMDGPU_INFO_FW_GFX_PFP;
825 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
828 seq_printf(m, "PFP feature version: %u, firmware version: 0x%08x\n",
829 fw_info.feature, fw_info.ver);
832 query_fw.fw_type = AMDGPU_INFO_FW_GFX_CE;
833 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
836 seq_printf(m, "CE feature version: %u, firmware version: 0x%08x\n",
837 fw_info.feature, fw_info.ver);
840 query_fw.fw_type = AMDGPU_INFO_FW_GFX_RLC;
841 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
844 seq_printf(m, "RLC feature version: %u, firmware version: 0x%08x\n",
845 fw_info.feature, fw_info.ver);
848 query_fw.fw_type = AMDGPU_INFO_FW_GFX_MEC;
850 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
853 seq_printf(m, "MEC feature version: %u, firmware version: 0x%08x\n",
854 fw_info.feature, fw_info.ver);
857 if (adev->asic_type == CHIP_KAVERI ||
858 (adev->asic_type > CHIP_TOPAZ && adev->asic_type != CHIP_STONEY)) {
860 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
863 seq_printf(m, "MEC2 feature version: %u, firmware version: 0x%08x\n",
864 fw_info.feature, fw_info.ver);
868 query_fw.fw_type = AMDGPU_INFO_FW_SMC;
869 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
872 seq_printf(m, "SMC feature version: %u, firmware version: 0x%08x\n",
873 fw_info.feature, fw_info.ver);
876 query_fw.fw_type = AMDGPU_INFO_FW_SDMA;
877 for (i = 0; i < adev->sdma.num_instances; i++) {
879 ret = amdgpu_firmware_info(&fw_info, &query_fw, adev);
882 seq_printf(m, "SDMA%d feature version: %u, firmware version: 0x%08x\n",
883 i, fw_info.feature, fw_info.ver);
889 static const struct drm_info_list amdgpu_firmware_info_list[] = {
890 {"amdgpu_firmware_info", amdgpu_debugfs_firmware_info, 0, NULL},
894 int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev)
896 #if defined(CONFIG_DEBUG_FS)
897 return amdgpu_debugfs_add_files(adev, amdgpu_firmware_info_list,
898 ARRAY_SIZE(amdgpu_firmware_info_list));