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
31 #include "amdgpu_ctx.h"
33 #include <linux/atomic.h>
34 #include <linux/wait.h>
35 #include <linux/list.h>
36 #include <linux/kref.h>
37 #include <linux/rbtree.h>
38 #include <linux/hashtable.h>
39 #include <linux/dma-fence.h>
41 #include <drm/ttm/ttm_bo_api.h>
42 #include <drm/ttm/ttm_bo_driver.h>
43 #include <drm/ttm/ttm_placement.h>
44 #include <drm/ttm/ttm_module.h>
45 #include <drm/ttm/ttm_execbuf_util.h>
47 #include <drm/amdgpu_drm.h>
48 #include <drm/drm_gem.h>
49 #include <drm/drm_ioctl.h>
50 #include <drm/gpu_scheduler.h>
52 #include <kgd_kfd_interface.h>
53 #include "dm_pp_interface.h"
54 #include "kgd_pp_interface.h"
56 #include "amd_shared.h"
57 #include "amdgpu_mode.h"
58 #include "amdgpu_ih.h"
59 #include "amdgpu_irq.h"
60 #include "amdgpu_ucode.h"
61 #include "amdgpu_ttm.h"
62 #include "amdgpu_psp.h"
63 #include "amdgpu_gds.h"
64 #include "amdgpu_sync.h"
65 #include "amdgpu_ring.h"
66 #include "amdgpu_vm.h"
67 #include "amdgpu_dpm.h"
68 #include "amdgpu_acp.h"
69 #include "amdgpu_uvd.h"
70 #include "amdgpu_vce.h"
71 #include "amdgpu_vcn.h"
72 #include "amdgpu_mn.h"
73 #include "amdgpu_gmc.h"
74 #include "amdgpu_gfx.h"
75 #include "amdgpu_sdma.h"
76 #include "amdgpu_dm.h"
77 #include "amdgpu_virt.h"
78 #include "amdgpu_csa.h"
79 #include "amdgpu_gart.h"
80 #include "amdgpu_debugfs.h"
81 #include "amdgpu_job.h"
82 #include "amdgpu_bo_list.h"
83 #include "amdgpu_gem.h"
84 #include "amdgpu_doorbell.h"
85 #include "amdgpu_amdkfd.h"
86 #include "amdgpu_smu.h"
87 #include "amdgpu_discovery.h"
88 #include "amdgpu_mes.h"
90 #define MAX_GPU_INSTANCE 16
92 struct amdgpu_gpu_instance
94 struct amdgpu_device *adev;
98 struct amdgpu_mgpu_info
100 struct amdgpu_gpu_instance gpu_ins[MAX_GPU_INSTANCE];
108 * Modules parameters.
110 extern int amdgpu_modeset;
111 extern int amdgpu_vram_limit;
112 extern int amdgpu_vis_vram_limit;
113 extern int amdgpu_gart_size;
114 extern int amdgpu_gtt_size;
115 extern int amdgpu_moverate;
116 extern int amdgpu_benchmarking;
117 extern int amdgpu_testing;
118 extern int amdgpu_audio;
119 extern int amdgpu_disp_priority;
120 extern int amdgpu_hw_i2c;
121 extern int amdgpu_pcie_gen2;
122 extern int amdgpu_msi;
123 extern int amdgpu_dpm;
124 extern int amdgpu_fw_load_type;
125 extern int amdgpu_aspm;
126 extern int amdgpu_runtime_pm;
127 extern uint amdgpu_ip_block_mask;
128 extern int amdgpu_bapm;
129 extern int amdgpu_deep_color;
130 extern int amdgpu_vm_size;
131 extern int amdgpu_vm_block_size;
132 extern int amdgpu_vm_fragment_size;
133 extern int amdgpu_vm_fault_stop;
134 extern int amdgpu_vm_debug;
135 extern int amdgpu_vm_update_mode;
136 extern int amdgpu_dc;
137 extern int amdgpu_sched_jobs;
138 extern int amdgpu_sched_hw_submission;
139 extern uint amdgpu_pcie_gen_cap;
140 extern uint amdgpu_pcie_lane_cap;
141 extern uint amdgpu_cg_mask;
142 extern uint amdgpu_pg_mask;
143 extern uint amdgpu_sdma_phase_quantum;
144 extern char *amdgpu_disable_cu;
145 extern char *amdgpu_virtual_display;
146 extern uint amdgpu_pp_feature_mask;
147 extern int amdgpu_ngg;
148 extern int amdgpu_prim_buf_per_se;
149 extern int amdgpu_pos_buf_per_se;
150 extern int amdgpu_cntl_sb_buf_per_se;
151 extern int amdgpu_param_buf_per_se;
152 extern int amdgpu_job_hang_limit;
153 extern int amdgpu_lbpw;
154 extern int amdgpu_compute_multipipe;
155 extern int amdgpu_gpu_recovery;
156 extern int amdgpu_emu_mode;
157 extern uint amdgpu_smu_memory_pool_size;
158 extern uint amdgpu_dc_feature_mask;
159 extern uint amdgpu_dm_abm_level;
160 extern struct amdgpu_mgpu_info mgpu_info;
161 extern int amdgpu_ras_enable;
162 extern uint amdgpu_ras_mask;
163 extern int amdgpu_async_gfx_ring;
164 extern int amdgpu_mcbp;
165 extern int amdgpu_discovery;
166 extern int amdgpu_mes;
167 extern int amdgpu_noretry;
169 #ifdef CONFIG_DRM_AMDGPU_SI
170 extern int amdgpu_si_support;
172 #ifdef CONFIG_DRM_AMDGPU_CIK
173 extern int amdgpu_cik_support;
176 #define AMDGPU_VM_MAX_NUM_CTX 4096
177 #define AMDGPU_SG_THRESHOLD (256*1024*1024)
178 #define AMDGPU_DEFAULT_GTT_SIZE_MB 3072ULL /* 3GB by default */
179 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000
180 #define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */
181 #define AMDGPU_FENCE_JIFFIES_TIMEOUT (HZ / 2)
182 /* AMDGPU_IB_POOL_SIZE must be a power of 2 */
183 #define AMDGPU_IB_POOL_SIZE 16
184 #define AMDGPU_DEBUGFS_MAX_COMPONENTS 32
185 #define AMDGPUFB_CONN_LIMIT 4
186 #define AMDGPU_BIOS_NUM_SCRATCH 16
188 /* hard reset data */
189 #define AMDGPU_ASIC_RESET_DATA 0x39d5e86b
192 #define AMDGPU_RESET_GFX (1 << 0)
193 #define AMDGPU_RESET_COMPUTE (1 << 1)
194 #define AMDGPU_RESET_DMA (1 << 2)
195 #define AMDGPU_RESET_CP (1 << 3)
196 #define AMDGPU_RESET_GRBM (1 << 4)
197 #define AMDGPU_RESET_DMA1 (1 << 5)
198 #define AMDGPU_RESET_RLC (1 << 6)
199 #define AMDGPU_RESET_SEM (1 << 7)
200 #define AMDGPU_RESET_IH (1 << 8)
201 #define AMDGPU_RESET_VMC (1 << 9)
202 #define AMDGPU_RESET_MC (1 << 10)
203 #define AMDGPU_RESET_DISPLAY (1 << 11)
204 #define AMDGPU_RESET_UVD (1 << 12)
205 #define AMDGPU_RESET_VCE (1 << 13)
206 #define AMDGPU_RESET_VCE1 (1 << 14)
208 /* max cursor sizes (in pixels) */
209 #define CIK_CURSOR_WIDTH 128
210 #define CIK_CURSOR_HEIGHT 128
212 struct amdgpu_device;
214 struct amdgpu_cs_parser;
216 struct amdgpu_irq_src;
218 struct amdgpu_bo_va_mapping;
220 struct kfd_vm_fault_info;
223 AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP = 0,
224 AMDGPU_CP_IRQ_GFX_ME0_PIPE1_EOP,
225 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
226 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
227 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
228 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
229 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
230 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
231 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
232 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
237 enum amdgpu_thermal_irq {
238 AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
239 AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
241 AMDGPU_THERMAL_IRQ_LAST
244 enum amdgpu_kiq_irq {
245 AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
246 AMDGPU_CP_KIQ_IRQ_LAST
249 #define MAX_KIQ_REG_WAIT 5000 /* in usecs, 5ms */
250 #define MAX_KIQ_REG_BAILOUT_INTERVAL 5 /* in msecs, 5ms */
251 #define MAX_KIQ_REG_TRY 80 /* 20 -> 80 */
253 int amdgpu_device_ip_set_clockgating_state(void *dev,
254 enum amd_ip_block_type block_type,
255 enum amd_clockgating_state state);
256 int amdgpu_device_ip_set_powergating_state(void *dev,
257 enum amd_ip_block_type block_type,
258 enum amd_powergating_state state);
259 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
261 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
262 enum amd_ip_block_type block_type);
263 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
264 enum amd_ip_block_type block_type);
266 #define AMDGPU_MAX_IP_NUM 16
268 struct amdgpu_ip_block_status {
272 bool late_initialized;
276 struct amdgpu_ip_block_version {
277 const enum amd_ip_block_type type;
281 const struct amd_ip_funcs *funcs;
284 struct amdgpu_ip_block {
285 struct amdgpu_ip_block_status status;
286 const struct amdgpu_ip_block_version *version;
289 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
290 enum amd_ip_block_type type,
291 u32 major, u32 minor);
293 struct amdgpu_ip_block *
294 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
295 enum amd_ip_block_type type);
297 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
298 const struct amdgpu_ip_block_version *ip_block_version);
303 bool amdgpu_get_bios(struct amdgpu_device *adev);
304 bool amdgpu_read_bios(struct amdgpu_device *adev);
310 #define AMDGPU_MAX_PPLL 3
312 struct amdgpu_clock {
313 struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
314 struct amdgpu_pll spll;
315 struct amdgpu_pll mpll;
317 uint32_t default_mclk;
318 uint32_t default_sclk;
319 uint32_t default_dispclk;
320 uint32_t current_dispclk;
322 uint32_t max_pixel_clock;
325 /* sub-allocation manager, it has to be protected by another lock.
326 * By conception this is an helper for other part of the driver
327 * like the indirect buffer or semaphore, which both have their
330 * Principe is simple, we keep a list of sub allocation in offset
331 * order (first entry has offset == 0, last entry has the highest
334 * When allocating new object we first check if there is room at
335 * the end total_size - (last_object_offset + last_object_size) >=
336 * alloc_size. If so we allocate new object there.
338 * When there is not enough room at the end, we start waiting for
339 * each sub object until we reach object_offset+object_size >=
340 * alloc_size, this object then become the sub object we return.
342 * Alignment can't be bigger than page size.
344 * Hole are not considered for allocation to keep things simple.
345 * Assumption is that there won't be hole (all object on same
349 #define AMDGPU_SA_NUM_FENCE_LISTS 32
351 struct amdgpu_sa_manager {
352 wait_queue_head_t wq;
353 struct amdgpu_bo *bo;
354 struct list_head *hole;
355 struct list_head flist[AMDGPU_SA_NUM_FENCE_LISTS];
356 struct list_head olist;
364 /* sub-allocation buffer */
365 struct amdgpu_sa_bo {
366 struct list_head olist;
367 struct list_head flist;
368 struct amdgpu_sa_manager *manager;
371 struct dma_fence *fence;
374 int amdgpu_fence_slab_init(void);
375 void amdgpu_fence_slab_fini(void);
381 struct amdgpu_flip_work {
382 struct delayed_work flip_work;
383 struct work_struct unpin_work;
384 struct amdgpu_device *adev;
388 struct drm_pending_vblank_event *event;
389 struct amdgpu_bo *old_abo;
390 struct dma_fence *excl;
391 unsigned shared_count;
392 struct dma_fence **shared;
393 struct dma_fence_cb cb;
403 struct amdgpu_sa_bo *sa_bo;
410 extern const struct drm_sched_backend_ops amdgpu_sched_ops;
413 * file private structure
416 struct amdgpu_fpriv {
418 struct amdgpu_bo_va *prt_va;
419 struct amdgpu_bo_va *csa_va;
420 struct mutex bo_list_lock;
421 struct idr bo_list_handles;
422 struct amdgpu_ctx_mgr ctx_mgr;
425 int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
426 int amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev);
428 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
429 unsigned size, struct amdgpu_ib *ib);
430 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
431 struct dma_fence *f);
432 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
433 struct amdgpu_ib *ibs, struct amdgpu_job *job,
434 struct dma_fence **f);
435 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
436 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
437 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
442 struct amdgpu_cs_chunk {
448 struct amdgpu_cs_post_dep {
449 struct drm_syncobj *syncobj;
450 struct dma_fence_chain *chain;
454 struct amdgpu_cs_parser {
455 struct amdgpu_device *adev;
456 struct drm_file *filp;
457 struct amdgpu_ctx *ctx;
461 struct amdgpu_cs_chunk *chunks;
463 /* scheduler job object */
464 struct amdgpu_job *job;
465 struct drm_sched_entity *entity;
468 struct ww_acquire_ctx ticket;
469 struct amdgpu_bo_list *bo_list;
470 struct amdgpu_mn *mn;
471 struct amdgpu_bo_list_entry vm_pd;
472 struct list_head validated;
473 struct dma_fence *fence;
474 uint64_t bytes_moved_threshold;
475 uint64_t bytes_moved_vis_threshold;
476 uint64_t bytes_moved;
477 uint64_t bytes_moved_vis;
478 struct amdgpu_bo_list_entry *evictable;
481 struct amdgpu_bo_list_entry uf_entry;
483 unsigned num_post_deps;
484 struct amdgpu_cs_post_dep *post_deps;
487 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p,
488 uint32_t ib_idx, int idx)
490 return p->job->ibs[ib_idx].ptr[idx];
493 static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
494 uint32_t ib_idx, int idx,
497 p->job->ibs[ib_idx].ptr[idx] = value;
503 #define AMDGPU_MAX_WB 128 /* Reserve at most 128 WB slots for amdgpu-owned rings. */
506 struct amdgpu_bo *wb_obj;
507 volatile uint32_t *wb;
509 u32 num_wb; /* Number of wb slots actually reserved for amdgpu. */
510 unsigned long used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
513 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
514 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
519 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
525 void amdgpu_test_moves(struct amdgpu_device *adev);
528 * ASIC specific register table accessible by UMD
530 struct amdgpu_allowed_register_entry {
536 * ASIC specific functions.
538 struct amdgpu_asic_funcs {
539 bool (*read_disabled_bios)(struct amdgpu_device *adev);
540 bool (*read_bios_from_rom)(struct amdgpu_device *adev,
541 u8 *bios, u32 length_bytes);
542 int (*read_register)(struct amdgpu_device *adev, u32 se_num,
543 u32 sh_num, u32 reg_offset, u32 *value);
544 void (*set_vga_state)(struct amdgpu_device *adev, bool state);
545 int (*reset)(struct amdgpu_device *adev);
546 /* get the reference clock */
547 u32 (*get_xclk)(struct amdgpu_device *adev);
548 /* MM block clocks */
549 int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
550 int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
551 /* static power management */
552 int (*get_pcie_lanes)(struct amdgpu_device *adev);
553 void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
554 /* get config memsize register */
555 u32 (*get_config_memsize)(struct amdgpu_device *adev);
556 /* flush hdp write queue */
557 void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
558 /* invalidate hdp read cache */
559 void (*invalidate_hdp)(struct amdgpu_device *adev,
560 struct amdgpu_ring *ring);
561 /* check if the asic needs a full reset of if soft reset will work */
562 bool (*need_full_reset)(struct amdgpu_device *adev);
563 /* initialize doorbell layout for specific asic*/
564 void (*init_doorbell_index)(struct amdgpu_device *adev);
565 /* PCIe bandwidth usage */
566 void (*get_pcie_usage)(struct amdgpu_device *adev, uint64_t *count0,
568 /* do we need to reset the asic at init time (e.g., kexec) */
569 bool (*need_reset_on_init)(struct amdgpu_device *adev);
570 /* PCIe replay counter */
571 uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev);
577 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
578 struct drm_file *filp);
580 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
581 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
582 struct drm_file *filp);
583 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
584 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
585 struct drm_file *filp);
587 /* VRAM scratch page for HDP bug, default vram page */
588 struct amdgpu_vram_scratch {
589 struct amdgpu_bo *robj;
590 volatile uint32_t *ptr;
597 struct amdgpu_atcs_functions {
605 struct amdgpu_atcs_functions functions;
609 * Firmware VRAM reservation
611 struct amdgpu_fw_vram_usage {
614 struct amdgpu_bo *reserved_bo;
621 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
622 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
625 * Core structure, functions and helpers.
627 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
628 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
630 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
631 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
635 * amdgpu nbio functions
638 struct nbio_hdp_flush_reg {
639 u32 ref_and_mask_cp0;
640 u32 ref_and_mask_cp1;
641 u32 ref_and_mask_cp2;
642 u32 ref_and_mask_cp3;
643 u32 ref_and_mask_cp4;
644 u32 ref_and_mask_cp5;
645 u32 ref_and_mask_cp6;
646 u32 ref_and_mask_cp7;
647 u32 ref_and_mask_cp8;
648 u32 ref_and_mask_cp9;
649 u32 ref_and_mask_sdma0;
650 u32 ref_and_mask_sdma1;
653 struct amdgpu_mmio_remap {
655 resource_size_t bus_addr;
658 struct amdgpu_nbio_funcs {
659 const struct nbio_hdp_flush_reg *hdp_flush_reg;
660 u32 (*get_hdp_flush_req_offset)(struct amdgpu_device *adev);
661 u32 (*get_hdp_flush_done_offset)(struct amdgpu_device *adev);
662 u32 (*get_pcie_index_offset)(struct amdgpu_device *adev);
663 u32 (*get_pcie_data_offset)(struct amdgpu_device *adev);
664 u32 (*get_rev_id)(struct amdgpu_device *adev);
665 void (*mc_access_enable)(struct amdgpu_device *adev, bool enable);
666 void (*hdp_flush)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
667 u32 (*get_memsize)(struct amdgpu_device *adev);
668 void (*sdma_doorbell_range)(struct amdgpu_device *adev, int instance,
669 bool use_doorbell, int doorbell_index, int doorbell_size);
670 void (*vcn_doorbell_range)(struct amdgpu_device *adev, bool use_doorbell,
672 void (*enable_doorbell_aperture)(struct amdgpu_device *adev,
674 void (*enable_doorbell_selfring_aperture)(struct amdgpu_device *adev,
676 void (*ih_doorbell_range)(struct amdgpu_device *adev,
677 bool use_doorbell, int doorbell_index);
678 void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
680 void (*update_medium_grain_light_sleep)(struct amdgpu_device *adev,
682 void (*get_clockgating_state)(struct amdgpu_device *adev,
684 void (*ih_control)(struct amdgpu_device *adev);
685 void (*init_registers)(struct amdgpu_device *adev);
686 void (*detect_hw_virt)(struct amdgpu_device *adev);
687 void (*remap_hdp_registers)(struct amdgpu_device *adev);
690 struct amdgpu_df_funcs {
691 void (*sw_init)(struct amdgpu_device *adev);
692 void (*enable_broadcast_mode)(struct amdgpu_device *adev,
694 u32 (*get_fb_channel_number)(struct amdgpu_device *adev);
695 u32 (*get_hbm_channel_number)(struct amdgpu_device *adev);
696 void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
698 void (*get_clockgating_state)(struct amdgpu_device *adev,
700 void (*enable_ecc_force_par_wr_rmw)(struct amdgpu_device *adev,
702 int (*pmc_start)(struct amdgpu_device *adev, uint64_t config,
704 int (*pmc_stop)(struct amdgpu_device *adev, uint64_t config,
706 void (*pmc_get_count)(struct amdgpu_device *adev, uint64_t config,
709 /* Define the HW IP blocks will be used in driver , add more if necessary */
710 enum amd_hw_ip_block_type {
734 #define HWIP_MAX_INSTANCE 6
736 struct amd_powerplay {
738 const struct amd_pm_funcs *pp_funcs;
741 #define AMDGPU_RESET_MAGIC_NUM 64
742 #define AMDGPU_MAX_DF_PERFMONS 4
743 struct amdgpu_device {
745 struct drm_device *ddev;
746 struct pci_dev *pdev;
748 #ifdef CONFIG_DRM_AMD_ACP
749 struct amdgpu_acp acp;
753 enum amd_asic_type asic_type;
756 uint32_t external_rev_id;
759 const struct amdgpu_asic_funcs *asic_funcs;
764 struct notifier_block acpi_nb;
765 struct amdgpu_i2c_chan *i2c_bus[AMDGPU_MAX_I2C_BUS];
766 struct amdgpu_debugfs debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
767 unsigned debugfs_count;
768 #if defined(CONFIG_DEBUG_FS)
769 struct dentry *debugfs_preempt;
770 struct dentry *debugfs_regs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
772 struct amdgpu_atif *atif;
773 struct amdgpu_atcs atcs;
774 struct mutex srbm_mutex;
775 /* GRBM index mutex. Protects concurrent access to GRBM index */
776 struct mutex grbm_idx_mutex;
777 struct dev_pm_domain vga_pm_domain;
778 bool have_disp_power_ref;
779 bool have_atomics_support;
785 struct amdgpu_bo *stolen_vga_memory;
786 uint32_t bios_scratch_reg_offset;
787 uint32_t bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
789 /* Register/doorbell mmio */
790 resource_size_t rmmio_base;
791 resource_size_t rmmio_size;
793 /* protects concurrent MM_INDEX/DATA based register access */
794 spinlock_t mmio_idx_lock;
795 struct amdgpu_mmio_remap rmmio_remap;
796 /* protects concurrent SMC based register access */
797 spinlock_t smc_idx_lock;
798 amdgpu_rreg_t smc_rreg;
799 amdgpu_wreg_t smc_wreg;
800 /* protects concurrent PCIE register access */
801 spinlock_t pcie_idx_lock;
802 amdgpu_rreg_t pcie_rreg;
803 amdgpu_wreg_t pcie_wreg;
804 amdgpu_rreg_t pciep_rreg;
805 amdgpu_wreg_t pciep_wreg;
806 /* protects concurrent UVD register access */
807 spinlock_t uvd_ctx_idx_lock;
808 amdgpu_rreg_t uvd_ctx_rreg;
809 amdgpu_wreg_t uvd_ctx_wreg;
810 /* protects concurrent DIDT register access */
811 spinlock_t didt_idx_lock;
812 amdgpu_rreg_t didt_rreg;
813 amdgpu_wreg_t didt_wreg;
814 /* protects concurrent gc_cac register access */
815 spinlock_t gc_cac_idx_lock;
816 amdgpu_rreg_t gc_cac_rreg;
817 amdgpu_wreg_t gc_cac_wreg;
818 /* protects concurrent se_cac register access */
819 spinlock_t se_cac_idx_lock;
820 amdgpu_rreg_t se_cac_rreg;
821 amdgpu_wreg_t se_cac_wreg;
822 /* protects concurrent ENDPOINT (audio) register access */
823 spinlock_t audio_endpt_idx_lock;
824 amdgpu_block_rreg_t audio_endpt_rreg;
825 amdgpu_block_wreg_t audio_endpt_wreg;
826 void __iomem *rio_mem;
827 resource_size_t rio_mem_size;
828 struct amdgpu_doorbell doorbell;
831 struct amdgpu_clock clock;
834 struct amdgpu_gmc gmc;
835 struct amdgpu_gart gart;
836 dma_addr_t dummy_page_addr;
837 struct amdgpu_vm_manager vm_manager;
838 struct amdgpu_vmhub vmhub[AMDGPU_MAX_VMHUBS];
840 /* memory management */
841 struct amdgpu_mman mman;
842 struct amdgpu_vram_scratch vram_scratch;
844 atomic64_t num_bytes_moved;
845 atomic64_t num_evictions;
846 atomic64_t num_vram_cpu_page_faults;
847 atomic_t gpu_reset_counter;
848 atomic_t vram_lost_counter;
850 /* data for buffer migration throttling */
854 s64 accum_us; /* accumulated microseconds */
855 s64 accum_us_vis; /* for visible VRAM */
860 bool enable_virtual_display;
861 struct amdgpu_mode_info mode_info;
862 /* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
863 struct work_struct hotplug_work;
864 struct amdgpu_irq_src crtc_irq;
865 struct amdgpu_irq_src vupdate_irq;
866 struct amdgpu_irq_src pageflip_irq;
867 struct amdgpu_irq_src hpd_irq;
872 struct amdgpu_ring *rings[AMDGPU_MAX_RINGS];
874 struct amdgpu_sa_manager ring_tmp_bo;
877 struct amdgpu_irq irq;
880 struct amd_powerplay powerplay;
881 bool pp_force_state_enabled;
884 struct smu_context smu;
892 struct amdgpu_gfx gfx;
895 struct amdgpu_sdma sdma;
898 struct amdgpu_uvd uvd;
901 struct amdgpu_vce vce;
904 struct amdgpu_vcn vcn;
907 struct amdgpu_firmware firmware;
910 struct psp_context psp;
913 struct amdgpu_gds gds;
916 struct amdgpu_kfd_dev kfd;
918 /* display related functionality */
919 struct amdgpu_display_manager dm;
926 struct amdgpu_mes mes;
928 struct amdgpu_ip_block ip_blocks[AMDGPU_MAX_IP_NUM];
930 struct mutex mn_lock;
931 DECLARE_HASHTABLE(mn_hash, 7);
933 /* tracking pinned memory */
934 atomic64_t vram_pin_size;
935 atomic64_t visible_pin_size;
936 atomic64_t gart_pin_size;
938 /* soc15 register offset based on ip, instance and segment */
939 uint32_t *reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
941 const struct amdgpu_nbio_funcs *nbio_funcs;
942 const struct amdgpu_df_funcs *df_funcs;
944 /* delayed work_func for deferring clockgating during resume */
945 struct delayed_work delayed_init_work;
947 struct amdgpu_virt virt;
948 /* firmware VRAM reservation */
949 struct amdgpu_fw_vram_usage fw_vram_usage;
951 /* link all shadow bo */
952 struct list_head shadow_list;
953 struct mutex shadow_list_lock;
954 /* keep an lru list of rings by HW IP */
955 struct list_head ring_lru_list;
956 spinlock_t ring_lru_list_lock;
958 /* record hw reset is performed */
960 u8 reset_magic[AMDGPU_RESET_MAGIC_NUM];
965 /* record last mm index being written through WREG32*/
966 unsigned long last_mm_index;
968 struct mutex lock_reset;
969 struct amdgpu_doorbell_index doorbell_index;
972 struct work_struct xgmi_reset_work;
979 long compute_timeout;
982 uint64_t df_perfmon_config_assign_mask[AMDGPU_MAX_DF_PERFMONS];
985 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev)
987 return container_of(bdev, struct amdgpu_device, mman.bdev);
990 int amdgpu_device_init(struct amdgpu_device *adev,
991 struct drm_device *ddev,
992 struct pci_dev *pdev,
994 void amdgpu_device_fini(struct amdgpu_device *adev);
995 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
997 uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
999 void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
1000 uint32_t acc_flags);
1001 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
1002 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
1004 u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
1005 void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
1007 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
1008 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
1010 int emu_soc_asic_init(struct amdgpu_device *adev);
1013 * Registers read & write functions.
1016 #define AMDGPU_REGS_IDX (1<<0)
1017 #define AMDGPU_REGS_NO_KIQ (1<<1)
1019 #define RREG32_NO_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1020 #define WREG32_NO_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1022 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
1023 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
1025 #define RREG32(reg) amdgpu_mm_rreg(adev, (reg), 0)
1026 #define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_IDX)
1027 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), 0))
1028 #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), 0)
1029 #define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_IDX)
1030 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1031 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1032 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1033 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1034 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1035 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1036 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1037 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1038 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1039 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1040 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1041 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1042 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1043 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1044 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1045 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1046 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1047 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1048 #define WREG32_P(reg, val, mask) \
1050 uint32_t tmp_ = RREG32(reg); \
1052 tmp_ |= ((val) & ~(mask)); \
1053 WREG32(reg, tmp_); \
1055 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1056 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1057 #define WREG32_PLL_P(reg, val, mask) \
1059 uint32_t tmp_ = RREG32_PLL(reg); \
1061 tmp_ |= ((val) & ~(mask)); \
1062 WREG32_PLL(reg, tmp_); \
1064 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
1065 #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
1066 #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
1068 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1069 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1071 #define REG_SET_FIELD(orig_val, reg, field, field_val) \
1072 (((orig_val) & ~REG_FIELD_MASK(reg, field)) | \
1073 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1075 #define REG_GET_FIELD(value, reg, field) \
1076 (((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1078 #define WREG32_FIELD(reg, field, val) \
1079 WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1081 #define WREG32_FIELD_OFFSET(reg, offset, field, val) \
1082 WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1087 #define RBIOS8(i) (adev->bios[i])
1088 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1089 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1094 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
1095 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1096 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1097 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1098 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1099 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1100 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1101 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1102 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1103 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1104 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1105 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1106 #define amdgpu_asic_flush_hdp(adev, r) (adev)->asic_funcs->flush_hdp((adev), (r))
1107 #define amdgpu_asic_invalidate_hdp(adev, r) (adev)->asic_funcs->invalidate_hdp((adev), (r))
1108 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
1109 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
1110 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
1111 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
1112 #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
1114 /* Common functions */
1115 bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);
1116 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
1117 struct amdgpu_job* job);
1118 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
1119 bool amdgpu_device_need_post(struct amdgpu_device *adev);
1121 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1123 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
1124 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
1125 const u32 *registers,
1126 const u32 array_size);
1128 bool amdgpu_device_is_px(struct drm_device *dev);
1129 bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
1130 struct amdgpu_device *peer_adev);
1133 #if defined(CONFIG_VGA_SWITCHEROO)
1134 void amdgpu_register_atpx_handler(void);
1135 void amdgpu_unregister_atpx_handler(void);
1136 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1137 bool amdgpu_is_atpx_hybrid(void);
1138 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1139 bool amdgpu_has_atpx(void);
1141 static inline void amdgpu_register_atpx_handler(void) {}
1142 static inline void amdgpu_unregister_atpx_handler(void) {}
1143 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
1144 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
1145 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
1146 static inline bool amdgpu_has_atpx(void) { return false; }
1149 #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
1150 void *amdgpu_atpx_get_dhandle(void);
1152 static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
1158 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1159 extern const int amdgpu_max_kms_ioctl;
1161 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags);
1162 void amdgpu_driver_unload_kms(struct drm_device *dev);
1163 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1164 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1165 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1166 struct drm_file *file_priv);
1167 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1168 int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon);
1169 int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon);
1170 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
1171 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1172 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1173 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
1177 * functions used by amdgpu_encoder.c
1179 struct amdgpu_afmt_acr {
1193 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1196 #if defined(CONFIG_ACPI)
1197 int amdgpu_acpi_init(struct amdgpu_device *adev);
1198 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1199 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1200 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1201 u8 perf_req, bool advertise);
1202 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1204 void amdgpu_acpi_get_backlight_caps(struct amdgpu_device *adev,
1205 struct amdgpu_dm_backlight_caps *caps);
1207 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
1208 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
1211 int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
1212 uint64_t addr, struct amdgpu_bo **bo,
1213 struct amdgpu_bo_va_mapping **mapping);
1215 #if defined(CONFIG_DRM_AMD_DC)
1216 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
1218 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
1222 void amdgpu_register_gpu_instance(struct amdgpu_device *adev);
1223 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev);
1225 #include "amdgpu_object.h"
1227 /* used by df_v3_6.c and amdgpu_pmu.c */
1228 #define AMDGPU_PMU_ATTR(_name, _object) \
1230 _name##_show(struct device *dev, \
1231 struct device_attribute *attr, \
1234 BUILD_BUG_ON(sizeof(_object) >= PAGE_SIZE - 1); \
1235 return sprintf(page, _object "\n"); \
1238 static struct device_attribute pmu_attr_##_name = __ATTR_RO(_name)