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
35 #define pr_fmt(fmt) "amdgpu: " fmt
41 #define dev_fmt(fmt) "amdgpu: " fmt
43 #include "amdgpu_ctx.h"
45 #include <linux/atomic.h>
46 #include <linux/wait.h>
47 #include <linux/list.h>
48 #include <linux/kref.h>
49 #include <linux/rbtree.h>
50 #include <linux/hashtable.h>
51 #include <linux/dma-fence.h>
52 #include <linux/pci.h>
53 #include <linux/aer.h>
55 #include <drm/ttm/ttm_bo_api.h>
56 #include <drm/ttm/ttm_bo_driver.h>
57 #include <drm/ttm/ttm_placement.h>
58 #include <drm/ttm/ttm_execbuf_util.h>
60 #include <drm/amdgpu_drm.h>
61 #include <drm/drm_gem.h>
62 #include <drm/drm_ioctl.h>
63 #include <drm/gpu_scheduler.h>
65 #include <kgd_kfd_interface.h>
66 #include "dm_pp_interface.h"
67 #include "kgd_pp_interface.h"
69 #include "amd_shared.h"
70 #include "amdgpu_mode.h"
71 #include "amdgpu_ih.h"
72 #include "amdgpu_irq.h"
73 #include "amdgpu_ucode.h"
74 #include "amdgpu_ttm.h"
75 #include "amdgpu_psp.h"
76 #include "amdgpu_gds.h"
77 #include "amdgpu_sync.h"
78 #include "amdgpu_ring.h"
79 #include "amdgpu_vm.h"
80 #include "amdgpu_dpm.h"
81 #include "amdgpu_acp.h"
82 #include "amdgpu_uvd.h"
83 #include "amdgpu_vce.h"
84 #include "amdgpu_vcn.h"
85 #include "amdgpu_jpeg.h"
86 #include "amdgpu_mn.h"
87 #include "amdgpu_gmc.h"
88 #include "amdgpu_gfx.h"
89 #include "amdgpu_sdma.h"
90 #include "amdgpu_nbio.h"
91 #include "amdgpu_hdp.h"
92 #include "amdgpu_dm.h"
93 #include "amdgpu_virt.h"
94 #include "amdgpu_csa.h"
95 #include "amdgpu_gart.h"
96 #include "amdgpu_debugfs.h"
97 #include "amdgpu_job.h"
98 #include "amdgpu_bo_list.h"
99 #include "amdgpu_gem.h"
100 #include "amdgpu_doorbell.h"
101 #include "amdgpu_amdkfd.h"
102 #include "amdgpu_smu.h"
103 #include "amdgpu_discovery.h"
104 #include "amdgpu_mes.h"
105 #include "amdgpu_umc.h"
106 #include "amdgpu_mmhub.h"
107 #include "amdgpu_gfxhub.h"
108 #include "amdgpu_df.h"
109 #include "amdgpu_smuio.h"
110 #include "amdgpu_fdinfo.h"
112 #define MAX_GPU_INSTANCE 16
114 struct amdgpu_gpu_instance
116 struct amdgpu_device *adev;
117 int mgpu_fan_enabled;
120 struct amdgpu_mgpu_info
122 struct amdgpu_gpu_instance gpu_ins[MAX_GPU_INSTANCE];
128 /* delayed reset_func for XGMI configuration if necessary */
129 struct delayed_work delayed_reset_work;
140 struct amdgpu_watchdog_timer
142 bool timeout_fatal_disable;
143 uint32_t period; /* maxCycles = (1 << period), the number of cycles before a timeout */
146 #define AMDGPU_MAX_TIMEOUT_PARAM_LENGTH 256
149 * Modules parameters.
151 extern int amdgpu_modeset;
152 extern int amdgpu_vram_limit;
153 extern int amdgpu_vis_vram_limit;
154 extern int amdgpu_gart_size;
155 extern int amdgpu_gtt_size;
156 extern int amdgpu_moverate;
157 extern int amdgpu_benchmarking;
158 extern int amdgpu_testing;
159 extern int amdgpu_audio;
160 extern int amdgpu_disp_priority;
161 extern int amdgpu_hw_i2c;
162 extern int amdgpu_pcie_gen2;
163 extern int amdgpu_msi;
164 extern char amdgpu_lockup_timeout[AMDGPU_MAX_TIMEOUT_PARAM_LENGTH];
165 extern int amdgpu_dpm;
166 extern int amdgpu_fw_load_type;
167 extern int amdgpu_aspm;
168 extern int amdgpu_runtime_pm;
169 extern uint amdgpu_ip_block_mask;
170 extern int amdgpu_bapm;
171 extern int amdgpu_deep_color;
172 extern int amdgpu_vm_size;
173 extern int amdgpu_vm_block_size;
174 extern int amdgpu_vm_fragment_size;
175 extern int amdgpu_vm_fault_stop;
176 extern int amdgpu_vm_debug;
177 extern int amdgpu_vm_update_mode;
178 extern int amdgpu_exp_hw_support;
179 extern int amdgpu_dc;
180 extern int amdgpu_sched_jobs;
181 extern int amdgpu_sched_hw_submission;
182 extern uint amdgpu_pcie_gen_cap;
183 extern uint amdgpu_pcie_lane_cap;
184 extern uint amdgpu_cg_mask;
185 extern uint amdgpu_pg_mask;
186 extern uint amdgpu_sdma_phase_quantum;
187 extern char *amdgpu_disable_cu;
188 extern char *amdgpu_virtual_display;
189 extern uint amdgpu_pp_feature_mask;
190 extern uint amdgpu_force_long_training;
191 extern int amdgpu_job_hang_limit;
192 extern int amdgpu_lbpw;
193 extern int amdgpu_compute_multipipe;
194 extern int amdgpu_gpu_recovery;
195 extern int amdgpu_emu_mode;
196 extern uint amdgpu_smu_memory_pool_size;
197 extern int amdgpu_smu_pptable_id;
198 extern uint amdgpu_dc_feature_mask;
199 extern uint amdgpu_freesync_vid_mode;
200 extern uint amdgpu_dc_debug_mask;
201 extern uint amdgpu_dm_abm_level;
202 extern int amdgpu_backlight;
203 extern struct amdgpu_mgpu_info mgpu_info;
204 extern int amdgpu_ras_enable;
205 extern uint amdgpu_ras_mask;
206 extern int amdgpu_bad_page_threshold;
207 extern struct amdgpu_watchdog_timer amdgpu_watchdog_timer;
208 extern int amdgpu_async_gfx_ring;
209 extern int amdgpu_mcbp;
210 extern int amdgpu_discovery;
211 extern int amdgpu_mes;
212 extern int amdgpu_noretry;
213 extern int amdgpu_force_asic_type;
214 extern int amdgpu_smartshift_bias;
215 #ifdef CONFIG_HSA_AMD
216 extern int sched_policy;
217 extern bool debug_evictions;
218 extern bool no_system_mem_limit;
220 static const int __maybe_unused sched_policy = KFD_SCHED_POLICY_HWS;
221 static const bool __maybe_unused debug_evictions; /* = false */
222 static const bool __maybe_unused no_system_mem_limit;
225 extern int amdgpu_tmz;
226 extern int amdgpu_reset_method;
228 #ifdef CONFIG_DRM_AMDGPU_SI
229 extern int amdgpu_si_support;
231 #ifdef CONFIG_DRM_AMDGPU_CIK
232 extern int amdgpu_cik_support;
234 extern int amdgpu_num_kcq;
236 #define AMDGPU_VM_MAX_NUM_CTX 4096
237 #define AMDGPU_SG_THRESHOLD (256*1024*1024)
238 #define AMDGPU_DEFAULT_GTT_SIZE_MB 3072ULL /* 3GB by default */
239 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000
240 #define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */
241 #define AMDGPU_FENCE_JIFFIES_TIMEOUT (HZ / 2)
242 #define AMDGPU_DEBUGFS_MAX_COMPONENTS 32
243 #define AMDGPUFB_CONN_LIMIT 4
244 #define AMDGPU_BIOS_NUM_SCRATCH 16
246 #define AMDGPU_VBIOS_VGA_ALLOCATION (9 * 1024 * 1024) /* reserve 8MB for vga emulator and 1 MB for FB */
248 /* hard reset data */
249 #define AMDGPU_ASIC_RESET_DATA 0x39d5e86b
252 #define AMDGPU_RESET_GFX (1 << 0)
253 #define AMDGPU_RESET_COMPUTE (1 << 1)
254 #define AMDGPU_RESET_DMA (1 << 2)
255 #define AMDGPU_RESET_CP (1 << 3)
256 #define AMDGPU_RESET_GRBM (1 << 4)
257 #define AMDGPU_RESET_DMA1 (1 << 5)
258 #define AMDGPU_RESET_RLC (1 << 6)
259 #define AMDGPU_RESET_SEM (1 << 7)
260 #define AMDGPU_RESET_IH (1 << 8)
261 #define AMDGPU_RESET_VMC (1 << 9)
262 #define AMDGPU_RESET_MC (1 << 10)
263 #define AMDGPU_RESET_DISPLAY (1 << 11)
264 #define AMDGPU_RESET_UVD (1 << 12)
265 #define AMDGPU_RESET_VCE (1 << 13)
266 #define AMDGPU_RESET_VCE1 (1 << 14)
268 /* max cursor sizes (in pixels) */
269 #define CIK_CURSOR_WIDTH 128
270 #define CIK_CURSOR_HEIGHT 128
272 /* smasrt shift bias level limits */
273 #define AMDGPU_SMARTSHIFT_MAX_BIAS (100)
274 #define AMDGPU_SMARTSHIFT_MIN_BIAS (-100)
276 struct amdgpu_device;
278 struct amdgpu_cs_parser;
280 struct amdgpu_irq_src;
282 struct amdgpu_bo_va_mapping;
283 struct kfd_vm_fault_info;
284 struct amdgpu_hive_info;
285 struct amdgpu_reset_context;
286 struct amdgpu_reset_control;
289 AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP = 0,
290 AMDGPU_CP_IRQ_GFX_ME0_PIPE1_EOP,
291 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
292 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
293 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
294 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
295 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
296 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
297 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
298 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
303 enum amdgpu_thermal_irq {
304 AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
305 AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
307 AMDGPU_THERMAL_IRQ_LAST
310 enum amdgpu_kiq_irq {
311 AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
312 AMDGPU_CP_KIQ_IRQ_LAST
315 #define MAX_KIQ_REG_WAIT 5000 /* in usecs, 5ms */
316 #define MAX_KIQ_REG_BAILOUT_INTERVAL 5 /* in msecs, 5ms */
317 #define MAX_KIQ_REG_TRY 1000
319 int amdgpu_device_ip_set_clockgating_state(void *dev,
320 enum amd_ip_block_type block_type,
321 enum amd_clockgating_state state);
322 int amdgpu_device_ip_set_powergating_state(void *dev,
323 enum amd_ip_block_type block_type,
324 enum amd_powergating_state state);
325 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
327 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
328 enum amd_ip_block_type block_type);
329 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
330 enum amd_ip_block_type block_type);
332 #define AMDGPU_MAX_IP_NUM 16
334 struct amdgpu_ip_block_status {
338 bool late_initialized;
342 struct amdgpu_ip_block_version {
343 const enum amd_ip_block_type type;
347 const struct amd_ip_funcs *funcs;
350 #define HW_REV(_Major, _Minor, _Rev) \
351 ((((uint32_t) (_Major)) << 16) | ((uint32_t) (_Minor) << 8) | ((uint32_t) (_Rev)))
353 struct amdgpu_ip_block {
354 struct amdgpu_ip_block_status status;
355 const struct amdgpu_ip_block_version *version;
358 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
359 enum amd_ip_block_type type,
360 u32 major, u32 minor);
362 struct amdgpu_ip_block *
363 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
364 enum amd_ip_block_type type);
366 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
367 const struct amdgpu_ip_block_version *ip_block_version);
372 bool amdgpu_get_bios(struct amdgpu_device *adev);
373 bool amdgpu_read_bios(struct amdgpu_device *adev);
379 #define AMDGPU_MAX_PPLL 3
381 struct amdgpu_clock {
382 struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
383 struct amdgpu_pll spll;
384 struct amdgpu_pll mpll;
386 uint32_t default_mclk;
387 uint32_t default_sclk;
388 uint32_t default_dispclk;
389 uint32_t current_dispclk;
391 uint32_t max_pixel_clock;
394 /* sub-allocation manager, it has to be protected by another lock.
395 * By conception this is an helper for other part of the driver
396 * like the indirect buffer or semaphore, which both have their
399 * Principe is simple, we keep a list of sub allocation in offset
400 * order (first entry has offset == 0, last entry has the highest
403 * When allocating new object we first check if there is room at
404 * the end total_size - (last_object_offset + last_object_size) >=
405 * alloc_size. If so we allocate new object there.
407 * When there is not enough room at the end, we start waiting for
408 * each sub object until we reach object_offset+object_size >=
409 * alloc_size, this object then become the sub object we return.
411 * Alignment can't be bigger than page size.
413 * Hole are not considered for allocation to keep things simple.
414 * Assumption is that there won't be hole (all object on same
418 #define AMDGPU_SA_NUM_FENCE_LISTS 32
420 struct amdgpu_sa_manager {
421 wait_queue_head_t wq;
422 struct amdgpu_bo *bo;
423 struct list_head *hole;
424 struct list_head flist[AMDGPU_SA_NUM_FENCE_LISTS];
425 struct list_head olist;
433 /* sub-allocation buffer */
434 struct amdgpu_sa_bo {
435 struct list_head olist;
436 struct list_head flist;
437 struct amdgpu_sa_manager *manager;
440 struct dma_fence *fence;
443 int amdgpu_fence_slab_init(void);
444 void amdgpu_fence_slab_fini(void);
450 struct amdgpu_flip_work {
451 struct delayed_work flip_work;
452 struct work_struct unpin_work;
453 struct amdgpu_device *adev;
457 struct drm_pending_vblank_event *event;
458 struct amdgpu_bo *old_abo;
459 struct dma_fence *excl;
460 unsigned shared_count;
461 struct dma_fence **shared;
462 struct dma_fence_cb cb;
472 struct amdgpu_sa_bo *sa_bo;
479 extern const struct drm_sched_backend_ops amdgpu_sched_ops;
482 * file private structure
485 struct amdgpu_fpriv {
487 struct amdgpu_bo_va *prt_va;
488 struct amdgpu_bo_va *csa_va;
489 struct mutex bo_list_lock;
490 struct idr bo_list_handles;
491 struct amdgpu_ctx_mgr ctx_mgr;
494 int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
496 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
498 enum amdgpu_ib_pool_type pool,
499 struct amdgpu_ib *ib);
500 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
501 struct dma_fence *f);
502 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
503 struct amdgpu_ib *ibs, struct amdgpu_job *job,
504 struct dma_fence **f);
505 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
506 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
507 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
512 struct amdgpu_cs_chunk {
518 struct amdgpu_cs_post_dep {
519 struct drm_syncobj *syncobj;
520 struct dma_fence_chain *chain;
524 struct amdgpu_cs_parser {
525 struct amdgpu_device *adev;
526 struct drm_file *filp;
527 struct amdgpu_ctx *ctx;
531 struct amdgpu_cs_chunk *chunks;
533 /* scheduler job object */
534 struct amdgpu_job *job;
535 struct drm_sched_entity *entity;
538 struct ww_acquire_ctx ticket;
539 struct amdgpu_bo_list *bo_list;
540 struct amdgpu_mn *mn;
541 struct amdgpu_bo_list_entry vm_pd;
542 struct list_head validated;
543 struct dma_fence *fence;
544 uint64_t bytes_moved_threshold;
545 uint64_t bytes_moved_vis_threshold;
546 uint64_t bytes_moved;
547 uint64_t bytes_moved_vis;
550 struct amdgpu_bo_list_entry uf_entry;
552 unsigned num_post_deps;
553 struct amdgpu_cs_post_dep *post_deps;
556 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p,
557 uint32_t ib_idx, int idx)
559 return p->job->ibs[ib_idx].ptr[idx];
562 static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
563 uint32_t ib_idx, int idx,
566 p->job->ibs[ib_idx].ptr[idx] = value;
572 #define AMDGPU_MAX_WB 256 /* Reserve at most 256 WB slots for amdgpu-owned rings. */
575 struct amdgpu_bo *wb_obj;
576 volatile uint32_t *wb;
578 u32 num_wb; /* Number of wb slots actually reserved for amdgpu. */
579 unsigned long used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
582 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
583 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
588 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
594 void amdgpu_test_moves(struct amdgpu_device *adev);
597 * ASIC specific register table accessible by UMD
599 struct amdgpu_allowed_register_entry {
604 enum amd_reset_method {
605 AMD_RESET_METHOD_NONE = -1,
606 AMD_RESET_METHOD_LEGACY = 0,
607 AMD_RESET_METHOD_MODE0,
608 AMD_RESET_METHOD_MODE1,
609 AMD_RESET_METHOD_MODE2,
610 AMD_RESET_METHOD_BACO,
611 AMD_RESET_METHOD_PCI,
614 struct amdgpu_video_codec_info {
618 u32 max_pixels_per_frame;
622 #define codec_info_build(type, width, height, level) \
625 .max_height = height,\
626 .max_pixels_per_frame = height * width,\
629 struct amdgpu_video_codecs {
630 const u32 codec_count;
631 const struct amdgpu_video_codec_info *codec_array;
635 * ASIC specific functions.
637 struct amdgpu_asic_funcs {
638 bool (*read_disabled_bios)(struct amdgpu_device *adev);
639 bool (*read_bios_from_rom)(struct amdgpu_device *adev,
640 u8 *bios, u32 length_bytes);
641 int (*read_register)(struct amdgpu_device *adev, u32 se_num,
642 u32 sh_num, u32 reg_offset, u32 *value);
643 void (*set_vga_state)(struct amdgpu_device *adev, bool state);
644 int (*reset)(struct amdgpu_device *adev);
645 enum amd_reset_method (*reset_method)(struct amdgpu_device *adev);
646 /* get the reference clock */
647 u32 (*get_xclk)(struct amdgpu_device *adev);
648 /* MM block clocks */
649 int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
650 int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
651 /* static power management */
652 int (*get_pcie_lanes)(struct amdgpu_device *adev);
653 void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
654 /* get config memsize register */
655 u32 (*get_config_memsize)(struct amdgpu_device *adev);
656 /* flush hdp write queue */
657 void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
658 /* invalidate hdp read cache */
659 void (*invalidate_hdp)(struct amdgpu_device *adev,
660 struct amdgpu_ring *ring);
661 /* check if the asic needs a full reset of if soft reset will work */
662 bool (*need_full_reset)(struct amdgpu_device *adev);
663 /* initialize doorbell layout for specific asic*/
664 void (*init_doorbell_index)(struct amdgpu_device *adev);
665 /* PCIe bandwidth usage */
666 void (*get_pcie_usage)(struct amdgpu_device *adev, uint64_t *count0,
668 /* do we need to reset the asic at init time (e.g., kexec) */
669 bool (*need_reset_on_init)(struct amdgpu_device *adev);
670 /* PCIe replay counter */
671 uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev);
672 /* device supports BACO */
673 bool (*supports_baco)(struct amdgpu_device *adev);
674 /* pre asic_init quirks */
675 void (*pre_asic_init)(struct amdgpu_device *adev);
676 /* enter/exit umd stable pstate */
677 int (*update_umd_stable_pstate)(struct amdgpu_device *adev, bool enter);
678 /* query video codecs */
679 int (*query_video_codecs)(struct amdgpu_device *adev, bool encode,
680 const struct amdgpu_video_codecs **codecs);
686 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
687 struct drm_file *filp);
689 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
690 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
691 struct drm_file *filp);
692 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
693 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
694 struct drm_file *filp);
696 /* VRAM scratch page for HDP bug, default vram page */
697 struct amdgpu_vram_scratch {
698 struct amdgpu_bo *robj;
699 volatile uint32_t *ptr;
706 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
707 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
710 * Core structure, functions and helpers.
712 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
713 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
715 typedef uint64_t (*amdgpu_rreg64_t)(struct amdgpu_device*, uint32_t);
716 typedef void (*amdgpu_wreg64_t)(struct amdgpu_device*, uint32_t, uint64_t);
718 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
719 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
721 struct amdgpu_mmio_remap {
723 resource_size_t bus_addr;
726 /* Define the HW IP blocks will be used in driver , add more if necessary */
727 enum amd_hw_ip_block_type {
745 JPEG_HWIP = VCN_HWIP,
760 #define HWIP_MAX_INSTANCE 8
762 struct amd_powerplay {
764 const struct amd_pm_funcs *pp_funcs;
767 /* polaris10 kickers */
768 #define ASICID_IS_P20(did, rid) (((did == 0x67DF) && \
774 ((did == 0x6FDF) && \
779 #define ASICID_IS_P30(did, rid) ((did == 0x67DF) && \
783 /* polaris11 kickers */
784 #define ASICID_IS_P21(did, rid) (((did == 0x67EF) && \
787 ((did == 0x67FF) && \
792 #define ASICID_IS_P31(did, rid) ((did == 0x67EF) && \
795 /* polaris12 kickers */
796 #define ASICID_IS_P23(did, rid) (((did == 0x6987) && \
801 ((did == 0x6981) && \
806 #define AMDGPU_RESET_MAGIC_NUM 64
807 #define AMDGPU_MAX_DF_PERFMONS 4
808 struct amdgpu_device {
810 struct pci_dev *pdev;
811 struct drm_device ddev;
813 #ifdef CONFIG_DRM_AMD_ACP
814 struct amdgpu_acp acp;
816 struct amdgpu_hive_info *hive;
818 enum amd_asic_type asic_type;
821 uint32_t external_rev_id;
823 unsigned long apu_flags;
825 const struct amdgpu_asic_funcs *asic_funcs;
829 struct notifier_block acpi_nb;
830 struct amdgpu_i2c_chan *i2c_bus[AMDGPU_MAX_I2C_BUS];
831 struct debugfs_blob_wrapper debugfs_vbios_blob;
832 struct mutex srbm_mutex;
833 /* GRBM index mutex. Protects concurrent access to GRBM index */
834 struct mutex grbm_idx_mutex;
835 struct dev_pm_domain vga_pm_domain;
836 bool have_disp_power_ref;
837 bool have_atomics_support;
843 uint32_t bios_scratch_reg_offset;
844 uint32_t bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
846 /* Register/doorbell mmio */
847 resource_size_t rmmio_base;
848 resource_size_t rmmio_size;
850 /* protects concurrent MM_INDEX/DATA based register access */
851 spinlock_t mmio_idx_lock;
852 struct amdgpu_mmio_remap rmmio_remap;
853 /* protects concurrent SMC based register access */
854 spinlock_t smc_idx_lock;
855 amdgpu_rreg_t smc_rreg;
856 amdgpu_wreg_t smc_wreg;
857 /* protects concurrent PCIE register access */
858 spinlock_t pcie_idx_lock;
859 amdgpu_rreg_t pcie_rreg;
860 amdgpu_wreg_t pcie_wreg;
861 amdgpu_rreg_t pciep_rreg;
862 amdgpu_wreg_t pciep_wreg;
863 amdgpu_rreg64_t pcie_rreg64;
864 amdgpu_wreg64_t pcie_wreg64;
865 /* protects concurrent UVD register access */
866 spinlock_t uvd_ctx_idx_lock;
867 amdgpu_rreg_t uvd_ctx_rreg;
868 amdgpu_wreg_t uvd_ctx_wreg;
869 /* protects concurrent DIDT register access */
870 spinlock_t didt_idx_lock;
871 amdgpu_rreg_t didt_rreg;
872 amdgpu_wreg_t didt_wreg;
873 /* protects concurrent gc_cac register access */
874 spinlock_t gc_cac_idx_lock;
875 amdgpu_rreg_t gc_cac_rreg;
876 amdgpu_wreg_t gc_cac_wreg;
877 /* protects concurrent se_cac register access */
878 spinlock_t se_cac_idx_lock;
879 amdgpu_rreg_t se_cac_rreg;
880 amdgpu_wreg_t se_cac_wreg;
881 /* protects concurrent ENDPOINT (audio) register access */
882 spinlock_t audio_endpt_idx_lock;
883 amdgpu_block_rreg_t audio_endpt_rreg;
884 amdgpu_block_wreg_t audio_endpt_wreg;
885 struct amdgpu_doorbell doorbell;
888 struct amdgpu_clock clock;
891 struct amdgpu_gmc gmc;
892 struct amdgpu_gart gart;
893 dma_addr_t dummy_page_addr;
894 struct amdgpu_vm_manager vm_manager;
895 struct amdgpu_vmhub vmhub[AMDGPU_MAX_VMHUBS];
898 /* memory management */
899 struct amdgpu_mman mman;
900 struct amdgpu_vram_scratch vram_scratch;
902 atomic64_t num_bytes_moved;
903 atomic64_t num_evictions;
904 atomic64_t num_vram_cpu_page_faults;
905 atomic_t gpu_reset_counter;
906 atomic_t vram_lost_counter;
908 /* data for buffer migration throttling */
912 s64 accum_us; /* accumulated microseconds */
913 s64 accum_us_vis; /* for visible VRAM */
918 bool enable_virtual_display;
919 struct amdgpu_vkms_output *amdgpu_vkms_output;
920 struct amdgpu_mode_info mode_info;
921 /* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
922 struct work_struct hotplug_work;
923 struct amdgpu_irq_src crtc_irq;
924 struct amdgpu_irq_src vline0_irq;
925 struct amdgpu_irq_src vupdate_irq;
926 struct amdgpu_irq_src pageflip_irq;
927 struct amdgpu_irq_src hpd_irq;
928 struct amdgpu_irq_src dmub_trace_irq;
929 struct amdgpu_irq_src dmub_outbox_irq;
934 struct amdgpu_ring *rings[AMDGPU_MAX_RINGS];
936 struct amdgpu_sa_manager ib_pools[AMDGPU_IB_POOL_MAX];
937 struct amdgpu_sched gpu_sched[AMDGPU_HW_IP_NUM][AMDGPU_RING_PRIO_MAX];
940 struct amdgpu_irq irq;
943 struct amd_powerplay powerplay;
944 bool pp_force_state_enabled;
947 struct smu_context smu;
955 struct amdgpu_nbio nbio;
958 struct amdgpu_hdp hdp;
961 struct amdgpu_smuio smuio;
964 struct amdgpu_mmhub mmhub;
967 struct amdgpu_gfxhub gfxhub;
970 struct amdgpu_gfx gfx;
973 struct amdgpu_sdma sdma;
976 struct amdgpu_uvd uvd;
979 struct amdgpu_vce vce;
982 struct amdgpu_vcn vcn;
985 struct amdgpu_jpeg jpeg;
988 struct amdgpu_firmware firmware;
991 struct psp_context psp;
994 struct amdgpu_gds gds;
997 struct amdgpu_kfd_dev kfd;
1000 struct amdgpu_umc umc;
1002 /* display related functionality */
1003 struct amdgpu_display_manager dm;
1007 struct amdgpu_mes mes;
1010 struct amdgpu_df df;
1012 struct amdgpu_ip_block ip_blocks[AMDGPU_MAX_IP_NUM];
1013 uint32_t harvest_ip_mask;
1015 struct mutex mn_lock;
1016 DECLARE_HASHTABLE(mn_hash, 7);
1018 /* tracking pinned memory */
1019 atomic64_t vram_pin_size;
1020 atomic64_t visible_pin_size;
1021 atomic64_t gart_pin_size;
1023 /* soc15 register offset based on ip, instance and segment */
1024 uint32_t *reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
1026 /* delayed work_func for deferring clockgating during resume */
1027 struct delayed_work delayed_init_work;
1029 struct amdgpu_virt virt;
1031 /* link all shadow bo */
1032 struct list_head shadow_list;
1033 struct mutex shadow_list_lock;
1035 /* record hw reset is performed */
1037 u8 reset_magic[AMDGPU_RESET_MAGIC_NUM];
1045 atomic_t in_gpu_reset;
1046 enum pp_mp1_state mp1_state;
1047 struct rw_semaphore reset_sem;
1048 struct amdgpu_doorbell_index doorbell_index;
1050 struct mutex notifier_lock;
1053 struct work_struct xgmi_reset_work;
1054 struct list_head reset_list;
1059 long compute_timeout;
1062 uint64_t df_perfmon_config_assign_mask[AMDGPU_MAX_DF_PERFMONS];
1064 /* enable runtime pm on the device */
1070 bool ucode_sysfs_en;
1072 /* Chip product information */
1073 char product_number[16];
1074 char product_name[32];
1077 struct amdgpu_autodump autodump;
1079 atomic_t throttling_logging_enabled;
1080 struct ratelimit_state throttling_logging_rs;
1081 uint32_t ras_hw_enabled;
1082 uint32_t ras_enabled;
1085 struct pci_saved_state *pci_state;
1087 struct amdgpu_reset_control *reset_cntl;
1090 static inline struct amdgpu_device *drm_to_adev(struct drm_device *ddev)
1092 return container_of(ddev, struct amdgpu_device, ddev);
1095 static inline struct drm_device *adev_to_drm(struct amdgpu_device *adev)
1100 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_device *bdev)
1102 return container_of(bdev, struct amdgpu_device, mman.bdev);
1105 int amdgpu_device_init(struct amdgpu_device *adev,
1107 void amdgpu_device_fini_hw(struct amdgpu_device *adev);
1108 void amdgpu_device_fini_sw(struct amdgpu_device *adev);
1110 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
1112 void amdgpu_device_mm_access(struct amdgpu_device *adev, loff_t pos,
1113 void *buf, size_t size, bool write);
1114 size_t amdgpu_device_aper_access(struct amdgpu_device *adev, loff_t pos,
1115 void *buf, size_t size, bool write);
1117 void amdgpu_device_vram_access(struct amdgpu_device *adev, loff_t pos,
1118 void *buf, size_t size, bool write);
1119 uint32_t amdgpu_device_rreg(struct amdgpu_device *adev,
1120 uint32_t reg, uint32_t acc_flags);
1121 void amdgpu_device_wreg(struct amdgpu_device *adev,
1122 uint32_t reg, uint32_t v,
1123 uint32_t acc_flags);
1124 void amdgpu_mm_wreg_mmio_rlc(struct amdgpu_device *adev,
1125 uint32_t reg, uint32_t v);
1126 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
1127 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
1129 u32 amdgpu_device_indirect_rreg(struct amdgpu_device *adev,
1130 u32 pcie_index, u32 pcie_data,
1132 u64 amdgpu_device_indirect_rreg64(struct amdgpu_device *adev,
1133 u32 pcie_index, u32 pcie_data,
1135 void amdgpu_device_indirect_wreg(struct amdgpu_device *adev,
1136 u32 pcie_index, u32 pcie_data,
1137 u32 reg_addr, u32 reg_data);
1138 void amdgpu_device_indirect_wreg64(struct amdgpu_device *adev,
1139 u32 pcie_index, u32 pcie_data,
1140 u32 reg_addr, u64 reg_data);
1142 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
1143 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
1145 int amdgpu_device_pre_asic_reset(struct amdgpu_device *adev,
1146 struct amdgpu_reset_context *reset_context);
1148 int amdgpu_do_asic_reset(struct list_head *device_list_handle,
1149 struct amdgpu_reset_context *reset_context);
1151 int emu_soc_asic_init(struct amdgpu_device *adev);
1154 * Registers read & write functions.
1156 #define AMDGPU_REGS_NO_KIQ (1<<1)
1157 #define AMDGPU_REGS_RLC (1<<2)
1159 #define RREG32_NO_KIQ(reg) amdgpu_device_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1160 #define WREG32_NO_KIQ(reg, v) amdgpu_device_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1162 #define RREG32_KIQ(reg) amdgpu_kiq_rreg(adev, (reg))
1163 #define WREG32_KIQ(reg, v) amdgpu_kiq_wreg(adev, (reg), (v))
1165 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
1166 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
1168 #define RREG32(reg) amdgpu_device_rreg(adev, (reg), 0)
1169 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_device_rreg(adev, (reg), 0))
1170 #define WREG32(reg, v) amdgpu_device_wreg(adev, (reg), (v), 0)
1171 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1172 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1173 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1174 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1175 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1176 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1177 #define RREG64_PCIE(reg) adev->pcie_rreg64(adev, (reg))
1178 #define WREG64_PCIE(reg, v) adev->pcie_wreg64(adev, (reg), (v))
1179 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1180 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1181 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1182 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1183 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1184 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1185 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1186 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1187 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1188 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1189 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1190 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1191 #define WREG32_P(reg, val, mask) \
1193 uint32_t tmp_ = RREG32(reg); \
1195 tmp_ |= ((val) & ~(mask)); \
1196 WREG32(reg, tmp_); \
1198 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1199 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1200 #define WREG32_PLL_P(reg, val, mask) \
1202 uint32_t tmp_ = RREG32_PLL(reg); \
1204 tmp_ |= ((val) & ~(mask)); \
1205 WREG32_PLL(reg, tmp_); \
1208 #define WREG32_SMC_P(_Reg, _Val, _Mask) \
1210 u32 tmp = RREG32_SMC(_Reg); \
1212 tmp |= ((_Val) & ~(_Mask)); \
1213 WREG32_SMC(_Reg, tmp); \
1216 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_device_rreg((adev), (reg), false))
1218 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1219 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1221 #define REG_SET_FIELD(orig_val, reg, field, field_val) \
1222 (((orig_val) & ~REG_FIELD_MASK(reg, field)) | \
1223 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1225 #define REG_GET_FIELD(value, reg, field) \
1226 (((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1228 #define WREG32_FIELD(reg, field, val) \
1229 WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1231 #define WREG32_FIELD_OFFSET(reg, offset, field, val) \
1232 WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1237 #define RBIOS8(i) (adev->bios[i])
1238 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1239 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1244 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
1245 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1246 #define amdgpu_asic_reset_method(adev) (adev)->asic_funcs->reset_method((adev))
1247 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1248 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1249 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1250 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1251 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1252 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1253 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1254 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1255 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1256 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1257 #define amdgpu_asic_flush_hdp(adev, r) \
1258 ((adev)->asic_funcs->flush_hdp ? (adev)->asic_funcs->flush_hdp((adev), (r)) : (adev)->hdp.funcs->flush_hdp((adev), (r)))
1259 #define amdgpu_asic_invalidate_hdp(adev, r) \
1260 ((adev)->asic_funcs->invalidate_hdp ? (adev)->asic_funcs->invalidate_hdp((adev), (r)) : (adev)->hdp.funcs->invalidate_hdp((adev), (r)))
1261 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
1262 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
1263 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
1264 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
1265 #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
1266 #define amdgpu_asic_supports_baco(adev) (adev)->asic_funcs->supports_baco((adev))
1267 #define amdgpu_asic_pre_asic_init(adev) (adev)->asic_funcs->pre_asic_init((adev))
1268 #define amdgpu_asic_update_umd_stable_pstate(adev, enter) \
1269 ((adev)->asic_funcs->update_umd_stable_pstate ? (adev)->asic_funcs->update_umd_stable_pstate((adev), (enter)) : 0)
1270 #define amdgpu_asic_query_video_codecs(adev, e, c) (adev)->asic_funcs->query_video_codecs((adev), (e), (c))
1272 #define amdgpu_inc_vram_lost(adev) atomic_inc(&((adev)->vram_lost_counter));
1274 /* Common functions */
1275 bool amdgpu_device_has_job_running(struct amdgpu_device *adev);
1276 bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);
1277 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
1278 struct amdgpu_job* job);
1279 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
1280 int amdgpu_device_pci_reset(struct amdgpu_device *adev);
1281 bool amdgpu_device_need_post(struct amdgpu_device *adev);
1283 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1285 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
1286 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
1287 const u32 *registers,
1288 const u32 array_size);
1290 int amdgpu_device_mode1_reset(struct amdgpu_device *adev);
1291 bool amdgpu_device_supports_atpx(struct drm_device *dev);
1292 bool amdgpu_device_supports_px(struct drm_device *dev);
1293 bool amdgpu_device_supports_boco(struct drm_device *dev);
1294 bool amdgpu_device_supports_smart_shift(struct drm_device *dev);
1295 bool amdgpu_device_supports_baco(struct drm_device *dev);
1296 bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
1297 struct amdgpu_device *peer_adev);
1298 int amdgpu_device_baco_enter(struct drm_device *dev);
1299 int amdgpu_device_baco_exit(struct drm_device *dev);
1301 void amdgpu_device_flush_hdp(struct amdgpu_device *adev,
1302 struct amdgpu_ring *ring);
1303 void amdgpu_device_invalidate_hdp(struct amdgpu_device *adev,
1304 struct amdgpu_ring *ring);
1307 #if defined(CONFIG_VGA_SWITCHEROO)
1308 void amdgpu_register_atpx_handler(void);
1309 void amdgpu_unregister_atpx_handler(void);
1310 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1311 bool amdgpu_is_atpx_hybrid(void);
1312 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1313 bool amdgpu_has_atpx(void);
1315 static inline void amdgpu_register_atpx_handler(void) {}
1316 static inline void amdgpu_unregister_atpx_handler(void) {}
1317 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
1318 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
1319 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
1320 static inline bool amdgpu_has_atpx(void) { return false; }
1323 #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
1324 void *amdgpu_atpx_get_dhandle(void);
1326 static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
1332 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1333 extern const int amdgpu_max_kms_ioctl;
1335 int amdgpu_driver_load_kms(struct amdgpu_device *adev, unsigned long flags);
1336 void amdgpu_driver_unload_kms(struct drm_device *dev);
1337 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1338 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1339 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1340 struct drm_file *file_priv);
1341 void amdgpu_driver_release_kms(struct drm_device *dev);
1343 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1344 int amdgpu_device_suspend(struct drm_device *dev, bool fbcon);
1345 int amdgpu_device_resume(struct drm_device *dev, bool fbcon);
1346 u32 amdgpu_get_vblank_counter_kms(struct drm_crtc *crtc);
1347 int amdgpu_enable_vblank_kms(struct drm_crtc *crtc);
1348 void amdgpu_disable_vblank_kms(struct drm_crtc *crtc);
1349 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
1351 int amdgpu_info_ioctl(struct drm_device *dev, void *data,
1352 struct drm_file *filp);
1355 * functions used by amdgpu_encoder.c
1357 struct amdgpu_afmt_acr {
1371 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1375 /* ATCS Device/Driver State */
1376 #define AMDGPU_ATCS_PSC_DEV_STATE_D0 0
1377 #define AMDGPU_ATCS_PSC_DEV_STATE_D3_HOT 3
1378 #define AMDGPU_ATCS_PSC_DRV_STATE_OPR 0
1379 #define AMDGPU_ATCS_PSC_DRV_STATE_NOT_OPR 1
1381 #if defined(CONFIG_ACPI)
1382 int amdgpu_acpi_init(struct amdgpu_device *adev);
1383 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1384 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1385 bool amdgpu_acpi_is_power_shift_control_supported(void);
1386 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1387 u8 perf_req, bool advertise);
1388 int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev,
1389 u8 dev_state, bool drv_state);
1390 int amdgpu_acpi_smart_shift_update(struct drm_device *dev, enum amdgpu_ss ss_state);
1391 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1393 void amdgpu_acpi_get_backlight_caps(struct amdgpu_dm_backlight_caps *caps);
1394 bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev);
1395 void amdgpu_acpi_detect(void);
1397 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
1398 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
1399 static inline bool amdgpu_acpi_is_s0ix_active(struct amdgpu_device *adev) { return false; }
1400 static inline void amdgpu_acpi_detect(void) { }
1401 static inline bool amdgpu_acpi_is_power_shift_control_supported(void) { return false; }
1402 static inline int amdgpu_acpi_power_shift_control(struct amdgpu_device *adev,
1403 u8 dev_state, bool drv_state) { return 0; }
1404 static inline int amdgpu_acpi_smart_shift_update(struct drm_device *dev,
1405 enum amdgpu_ss ss_state) { return 0; }
1408 int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
1409 uint64_t addr, struct amdgpu_bo **bo,
1410 struct amdgpu_bo_va_mapping **mapping);
1412 #if defined(CONFIG_DRM_AMD_DC)
1413 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
1415 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
1419 void amdgpu_register_gpu_instance(struct amdgpu_device *adev);
1420 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev);
1422 pci_ers_result_t amdgpu_pci_error_detected(struct pci_dev *pdev,
1423 pci_channel_state_t state);
1424 pci_ers_result_t amdgpu_pci_mmio_enabled(struct pci_dev *pdev);
1425 pci_ers_result_t amdgpu_pci_slot_reset(struct pci_dev *pdev);
1426 void amdgpu_pci_resume(struct pci_dev *pdev);
1428 bool amdgpu_device_cache_pci_state(struct pci_dev *pdev);
1429 bool amdgpu_device_load_pci_state(struct pci_dev *pdev);
1431 bool amdgpu_device_skip_hw_access(struct amdgpu_device *adev);
1433 int amdgpu_device_set_cg_state(struct amdgpu_device *adev,
1434 enum amd_clockgating_state state);
1435 int amdgpu_device_set_pg_state(struct amdgpu_device *adev,
1436 enum amd_powergating_state state);
1438 #include "amdgpu_object.h"
1440 static inline bool amdgpu_is_tmz(struct amdgpu_device *adev)
1442 return adev->gmc.tmz_enabled;
1445 static inline int amdgpu_in_reset(struct amdgpu_device *adev)
1447 return atomic_read(&adev->in_gpu_reset);