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;
168 #ifdef CONFIG_DRM_AMDGPU_SI
169 extern int amdgpu_si_support;
171 #ifdef CONFIG_DRM_AMDGPU_CIK
172 extern int amdgpu_cik_support;
175 #define AMDGPU_VM_MAX_NUM_CTX 4096
176 #define AMDGPU_SG_THRESHOLD (256*1024*1024)
177 #define AMDGPU_DEFAULT_GTT_SIZE_MB 3072ULL /* 3GB by default */
178 #define AMDGPU_WAIT_IDLE_TIMEOUT_IN_MS 3000
179 #define AMDGPU_MAX_USEC_TIMEOUT 100000 /* 100 ms */
180 #define AMDGPU_FENCE_JIFFIES_TIMEOUT (HZ / 2)
181 /* AMDGPU_IB_POOL_SIZE must be a power of 2 */
182 #define AMDGPU_IB_POOL_SIZE 16
183 #define AMDGPU_DEBUGFS_MAX_COMPONENTS 32
184 #define AMDGPUFB_CONN_LIMIT 4
185 #define AMDGPU_BIOS_NUM_SCRATCH 16
187 /* hard reset data */
188 #define AMDGPU_ASIC_RESET_DATA 0x39d5e86b
191 #define AMDGPU_RESET_GFX (1 << 0)
192 #define AMDGPU_RESET_COMPUTE (1 << 1)
193 #define AMDGPU_RESET_DMA (1 << 2)
194 #define AMDGPU_RESET_CP (1 << 3)
195 #define AMDGPU_RESET_GRBM (1 << 4)
196 #define AMDGPU_RESET_DMA1 (1 << 5)
197 #define AMDGPU_RESET_RLC (1 << 6)
198 #define AMDGPU_RESET_SEM (1 << 7)
199 #define AMDGPU_RESET_IH (1 << 8)
200 #define AMDGPU_RESET_VMC (1 << 9)
201 #define AMDGPU_RESET_MC (1 << 10)
202 #define AMDGPU_RESET_DISPLAY (1 << 11)
203 #define AMDGPU_RESET_UVD (1 << 12)
204 #define AMDGPU_RESET_VCE (1 << 13)
205 #define AMDGPU_RESET_VCE1 (1 << 14)
207 /* max cursor sizes (in pixels) */
208 #define CIK_CURSOR_WIDTH 128
209 #define CIK_CURSOR_HEIGHT 128
211 struct amdgpu_device;
213 struct amdgpu_cs_parser;
215 struct amdgpu_irq_src;
217 struct amdgpu_bo_va_mapping;
219 struct kfd_vm_fault_info;
222 AMDGPU_CP_IRQ_GFX_ME0_PIPE0_EOP = 0,
223 AMDGPU_CP_IRQ_GFX_ME0_PIPE1_EOP,
224 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE0_EOP,
225 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE1_EOP,
226 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE2_EOP,
227 AMDGPU_CP_IRQ_COMPUTE_MEC1_PIPE3_EOP,
228 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE0_EOP,
229 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE1_EOP,
230 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE2_EOP,
231 AMDGPU_CP_IRQ_COMPUTE_MEC2_PIPE3_EOP,
236 enum amdgpu_thermal_irq {
237 AMDGPU_THERMAL_IRQ_LOW_TO_HIGH = 0,
238 AMDGPU_THERMAL_IRQ_HIGH_TO_LOW,
240 AMDGPU_THERMAL_IRQ_LAST
243 enum amdgpu_kiq_irq {
244 AMDGPU_CP_KIQ_IRQ_DRIVER0 = 0,
245 AMDGPU_CP_KIQ_IRQ_LAST
248 #define MAX_KIQ_REG_WAIT 5000 /* in usecs, 5ms */
249 #define MAX_KIQ_REG_BAILOUT_INTERVAL 5 /* in msecs, 5ms */
250 #define MAX_KIQ_REG_TRY 80 /* 20 -> 80 */
252 int amdgpu_device_ip_set_clockgating_state(void *dev,
253 enum amd_ip_block_type block_type,
254 enum amd_clockgating_state state);
255 int amdgpu_device_ip_set_powergating_state(void *dev,
256 enum amd_ip_block_type block_type,
257 enum amd_powergating_state state);
258 void amdgpu_device_ip_get_clockgating_state(struct amdgpu_device *adev,
260 int amdgpu_device_ip_wait_for_idle(struct amdgpu_device *adev,
261 enum amd_ip_block_type block_type);
262 bool amdgpu_device_ip_is_idle(struct amdgpu_device *adev,
263 enum amd_ip_block_type block_type);
265 #define AMDGPU_MAX_IP_NUM 16
267 struct amdgpu_ip_block_status {
271 bool late_initialized;
275 struct amdgpu_ip_block_version {
276 const enum amd_ip_block_type type;
280 const struct amd_ip_funcs *funcs;
283 struct amdgpu_ip_block {
284 struct amdgpu_ip_block_status status;
285 const struct amdgpu_ip_block_version *version;
288 int amdgpu_device_ip_block_version_cmp(struct amdgpu_device *adev,
289 enum amd_ip_block_type type,
290 u32 major, u32 minor);
292 struct amdgpu_ip_block *
293 amdgpu_device_ip_get_ip_block(struct amdgpu_device *adev,
294 enum amd_ip_block_type type);
296 int amdgpu_device_ip_block_add(struct amdgpu_device *adev,
297 const struct amdgpu_ip_block_version *ip_block_version);
302 bool amdgpu_get_bios(struct amdgpu_device *adev);
303 bool amdgpu_read_bios(struct amdgpu_device *adev);
309 #define AMDGPU_MAX_PPLL 3
311 struct amdgpu_clock {
312 struct amdgpu_pll ppll[AMDGPU_MAX_PPLL];
313 struct amdgpu_pll spll;
314 struct amdgpu_pll mpll;
316 uint32_t default_mclk;
317 uint32_t default_sclk;
318 uint32_t default_dispclk;
319 uint32_t current_dispclk;
321 uint32_t max_pixel_clock;
324 /* sub-allocation manager, it has to be protected by another lock.
325 * By conception this is an helper for other part of the driver
326 * like the indirect buffer or semaphore, which both have their
329 * Principe is simple, we keep a list of sub allocation in offset
330 * order (first entry has offset == 0, last entry has the highest
333 * When allocating new object we first check if there is room at
334 * the end total_size - (last_object_offset + last_object_size) >=
335 * alloc_size. If so we allocate new object there.
337 * When there is not enough room at the end, we start waiting for
338 * each sub object until we reach object_offset+object_size >=
339 * alloc_size, this object then become the sub object we return.
341 * Alignment can't be bigger than page size.
343 * Hole are not considered for allocation to keep things simple.
344 * Assumption is that there won't be hole (all object on same
348 #define AMDGPU_SA_NUM_FENCE_LISTS 32
350 struct amdgpu_sa_manager {
351 wait_queue_head_t wq;
352 struct amdgpu_bo *bo;
353 struct list_head *hole;
354 struct list_head flist[AMDGPU_SA_NUM_FENCE_LISTS];
355 struct list_head olist;
363 /* sub-allocation buffer */
364 struct amdgpu_sa_bo {
365 struct list_head olist;
366 struct list_head flist;
367 struct amdgpu_sa_manager *manager;
370 struct dma_fence *fence;
373 int amdgpu_fence_slab_init(void);
374 void amdgpu_fence_slab_fini(void);
380 struct amdgpu_flip_work {
381 struct delayed_work flip_work;
382 struct work_struct unpin_work;
383 struct amdgpu_device *adev;
387 struct drm_pending_vblank_event *event;
388 struct amdgpu_bo *old_abo;
389 struct dma_fence *excl;
390 unsigned shared_count;
391 struct dma_fence **shared;
392 struct dma_fence_cb cb;
402 struct amdgpu_sa_bo *sa_bo;
409 extern const struct drm_sched_backend_ops amdgpu_sched_ops;
412 * file private structure
415 struct amdgpu_fpriv {
417 struct amdgpu_bo_va *prt_va;
418 struct amdgpu_bo_va *csa_va;
419 struct mutex bo_list_lock;
420 struct idr bo_list_handles;
421 struct amdgpu_ctx_mgr ctx_mgr;
424 int amdgpu_file_to_fpriv(struct file *filp, struct amdgpu_fpriv **fpriv);
425 int amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev);
427 int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm,
428 unsigned size, struct amdgpu_ib *ib);
429 void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib,
430 struct dma_fence *f);
431 int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
432 struct amdgpu_ib *ibs, struct amdgpu_job *job,
433 struct dma_fence **f);
434 int amdgpu_ib_pool_init(struct amdgpu_device *adev);
435 void amdgpu_ib_pool_fini(struct amdgpu_device *adev);
436 int amdgpu_ib_ring_tests(struct amdgpu_device *adev);
441 struct amdgpu_cs_chunk {
447 struct amdgpu_cs_post_dep {
448 struct drm_syncobj *syncobj;
449 struct dma_fence_chain *chain;
453 struct amdgpu_cs_parser {
454 struct amdgpu_device *adev;
455 struct drm_file *filp;
456 struct amdgpu_ctx *ctx;
460 struct amdgpu_cs_chunk *chunks;
462 /* scheduler job object */
463 struct amdgpu_job *job;
464 struct drm_sched_entity *entity;
467 struct ww_acquire_ctx ticket;
468 struct amdgpu_bo_list *bo_list;
469 struct amdgpu_mn *mn;
470 struct amdgpu_bo_list_entry vm_pd;
471 struct list_head validated;
472 struct dma_fence *fence;
473 uint64_t bytes_moved_threshold;
474 uint64_t bytes_moved_vis_threshold;
475 uint64_t bytes_moved;
476 uint64_t bytes_moved_vis;
477 struct amdgpu_bo_list_entry *evictable;
480 struct amdgpu_bo_list_entry uf_entry;
482 unsigned num_post_deps;
483 struct amdgpu_cs_post_dep *post_deps;
486 static inline u32 amdgpu_get_ib_value(struct amdgpu_cs_parser *p,
487 uint32_t ib_idx, int idx)
489 return p->job->ibs[ib_idx].ptr[idx];
492 static inline void amdgpu_set_ib_value(struct amdgpu_cs_parser *p,
493 uint32_t ib_idx, int idx,
496 p->job->ibs[ib_idx].ptr[idx] = value;
502 #define AMDGPU_MAX_WB 128 /* Reserve at most 128 WB slots for amdgpu-owned rings. */
505 struct amdgpu_bo *wb_obj;
506 volatile uint32_t *wb;
508 u32 num_wb; /* Number of wb slots actually reserved for amdgpu. */
509 unsigned long used[DIV_ROUND_UP(AMDGPU_MAX_WB, BITS_PER_LONG)];
512 int amdgpu_device_wb_get(struct amdgpu_device *adev, u32 *wb);
513 void amdgpu_device_wb_free(struct amdgpu_device *adev, u32 wb);
518 void amdgpu_benchmark(struct amdgpu_device *adev, int test_number);
524 void amdgpu_test_moves(struct amdgpu_device *adev);
527 * ASIC specific register table accessible by UMD
529 struct amdgpu_allowed_register_entry {
535 * ASIC specific functions.
537 struct amdgpu_asic_funcs {
538 bool (*read_disabled_bios)(struct amdgpu_device *adev);
539 bool (*read_bios_from_rom)(struct amdgpu_device *adev,
540 u8 *bios, u32 length_bytes);
541 int (*read_register)(struct amdgpu_device *adev, u32 se_num,
542 u32 sh_num, u32 reg_offset, u32 *value);
543 void (*set_vga_state)(struct amdgpu_device *adev, bool state);
544 int (*reset)(struct amdgpu_device *adev);
545 /* get the reference clock */
546 u32 (*get_xclk)(struct amdgpu_device *adev);
547 /* MM block clocks */
548 int (*set_uvd_clocks)(struct amdgpu_device *adev, u32 vclk, u32 dclk);
549 int (*set_vce_clocks)(struct amdgpu_device *adev, u32 evclk, u32 ecclk);
550 /* static power management */
551 int (*get_pcie_lanes)(struct amdgpu_device *adev);
552 void (*set_pcie_lanes)(struct amdgpu_device *adev, int lanes);
553 /* get config memsize register */
554 u32 (*get_config_memsize)(struct amdgpu_device *adev);
555 /* flush hdp write queue */
556 void (*flush_hdp)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
557 /* invalidate hdp read cache */
558 void (*invalidate_hdp)(struct amdgpu_device *adev,
559 struct amdgpu_ring *ring);
560 /* check if the asic needs a full reset of if soft reset will work */
561 bool (*need_full_reset)(struct amdgpu_device *adev);
562 /* initialize doorbell layout for specific asic*/
563 void (*init_doorbell_index)(struct amdgpu_device *adev);
564 /* PCIe bandwidth usage */
565 void (*get_pcie_usage)(struct amdgpu_device *adev, uint64_t *count0,
567 /* do we need to reset the asic at init time (e.g., kexec) */
568 bool (*need_reset_on_init)(struct amdgpu_device *adev);
569 /* PCIe replay counter */
570 uint64_t (*get_pcie_replay_count)(struct amdgpu_device *adev);
576 int amdgpu_bo_list_ioctl(struct drm_device *dev, void *data,
577 struct drm_file *filp);
579 int amdgpu_cs_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
580 int amdgpu_cs_fence_to_handle_ioctl(struct drm_device *dev, void *data,
581 struct drm_file *filp);
582 int amdgpu_cs_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *filp);
583 int amdgpu_cs_wait_fences_ioctl(struct drm_device *dev, void *data,
584 struct drm_file *filp);
586 /* VRAM scratch page for HDP bug, default vram page */
587 struct amdgpu_vram_scratch {
588 struct amdgpu_bo *robj;
589 volatile uint32_t *ptr;
596 struct amdgpu_atcs_functions {
604 struct amdgpu_atcs_functions functions;
608 * Firmware VRAM reservation
610 struct amdgpu_fw_vram_usage {
613 struct amdgpu_bo *reserved_bo;
620 struct cgs_device *amdgpu_cgs_create_device(struct amdgpu_device *adev);
621 void amdgpu_cgs_destroy_device(struct cgs_device *cgs_device);
624 * Core structure, functions and helpers.
626 typedef uint32_t (*amdgpu_rreg_t)(struct amdgpu_device*, uint32_t);
627 typedef void (*amdgpu_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
629 typedef uint32_t (*amdgpu_block_rreg_t)(struct amdgpu_device*, uint32_t, uint32_t);
630 typedef void (*amdgpu_block_wreg_t)(struct amdgpu_device*, uint32_t, uint32_t, uint32_t);
634 * amdgpu nbio functions
637 struct nbio_hdp_flush_reg {
638 u32 ref_and_mask_cp0;
639 u32 ref_and_mask_cp1;
640 u32 ref_and_mask_cp2;
641 u32 ref_and_mask_cp3;
642 u32 ref_and_mask_cp4;
643 u32 ref_and_mask_cp5;
644 u32 ref_and_mask_cp6;
645 u32 ref_and_mask_cp7;
646 u32 ref_and_mask_cp8;
647 u32 ref_and_mask_cp9;
648 u32 ref_and_mask_sdma0;
649 u32 ref_and_mask_sdma1;
652 struct amdgpu_mmio_remap {
654 resource_size_t bus_addr;
657 struct amdgpu_nbio_funcs {
658 const struct nbio_hdp_flush_reg *hdp_flush_reg;
659 u32 (*get_hdp_flush_req_offset)(struct amdgpu_device *adev);
660 u32 (*get_hdp_flush_done_offset)(struct amdgpu_device *adev);
661 u32 (*get_pcie_index_offset)(struct amdgpu_device *adev);
662 u32 (*get_pcie_data_offset)(struct amdgpu_device *adev);
663 u32 (*get_rev_id)(struct amdgpu_device *adev);
664 void (*mc_access_enable)(struct amdgpu_device *adev, bool enable);
665 void (*hdp_flush)(struct amdgpu_device *adev, struct amdgpu_ring *ring);
666 u32 (*get_memsize)(struct amdgpu_device *adev);
667 void (*sdma_doorbell_range)(struct amdgpu_device *adev, int instance,
668 bool use_doorbell, int doorbell_index, int doorbell_size);
669 void (*vcn_doorbell_range)(struct amdgpu_device *adev, bool use_doorbell,
671 void (*enable_doorbell_aperture)(struct amdgpu_device *adev,
673 void (*enable_doorbell_selfring_aperture)(struct amdgpu_device *adev,
675 void (*ih_doorbell_range)(struct amdgpu_device *adev,
676 bool use_doorbell, int doorbell_index);
677 void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
679 void (*update_medium_grain_light_sleep)(struct amdgpu_device *adev,
681 void (*get_clockgating_state)(struct amdgpu_device *adev,
683 void (*ih_control)(struct amdgpu_device *adev);
684 void (*init_registers)(struct amdgpu_device *adev);
685 void (*detect_hw_virt)(struct amdgpu_device *adev);
686 void (*remap_hdp_registers)(struct amdgpu_device *adev);
689 struct amdgpu_df_funcs {
690 void (*sw_init)(struct amdgpu_device *adev);
691 void (*enable_broadcast_mode)(struct amdgpu_device *adev,
693 u32 (*get_fb_channel_number)(struct amdgpu_device *adev);
694 u32 (*get_hbm_channel_number)(struct amdgpu_device *adev);
695 void (*update_medium_grain_clock_gating)(struct amdgpu_device *adev,
697 void (*get_clockgating_state)(struct amdgpu_device *adev,
699 void (*enable_ecc_force_par_wr_rmw)(struct amdgpu_device *adev,
701 int (*pmc_start)(struct amdgpu_device *adev, uint64_t config,
703 int (*pmc_stop)(struct amdgpu_device *adev, uint64_t config,
705 void (*pmc_get_count)(struct amdgpu_device *adev, uint64_t config,
708 /* Define the HW IP blocks will be used in driver , add more if necessary */
709 enum amd_hw_ip_block_type {
733 #define HWIP_MAX_INSTANCE 6
735 struct amd_powerplay {
737 const struct amd_pm_funcs *pp_funcs;
740 #define AMDGPU_RESET_MAGIC_NUM 64
741 #define AMDGPU_MAX_DF_PERFMONS 4
742 struct amdgpu_device {
744 struct drm_device *ddev;
745 struct pci_dev *pdev;
747 #ifdef CONFIG_DRM_AMD_ACP
748 struct amdgpu_acp acp;
752 enum amd_asic_type asic_type;
755 uint32_t external_rev_id;
758 const struct amdgpu_asic_funcs *asic_funcs;
763 struct notifier_block acpi_nb;
764 struct amdgpu_i2c_chan *i2c_bus[AMDGPU_MAX_I2C_BUS];
765 struct amdgpu_debugfs debugfs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
766 unsigned debugfs_count;
767 #if defined(CONFIG_DEBUG_FS)
768 struct dentry *debugfs_preempt;
769 struct dentry *debugfs_regs[AMDGPU_DEBUGFS_MAX_COMPONENTS];
771 struct amdgpu_atif *atif;
772 struct amdgpu_atcs atcs;
773 struct mutex srbm_mutex;
774 /* GRBM index mutex. Protects concurrent access to GRBM index */
775 struct mutex grbm_idx_mutex;
776 struct dev_pm_domain vga_pm_domain;
777 bool have_disp_power_ref;
778 bool have_atomics_support;
784 struct amdgpu_bo *stolen_vga_memory;
785 uint32_t bios_scratch_reg_offset;
786 uint32_t bios_scratch[AMDGPU_BIOS_NUM_SCRATCH];
788 /* Register/doorbell mmio */
789 resource_size_t rmmio_base;
790 resource_size_t rmmio_size;
792 /* protects concurrent MM_INDEX/DATA based register access */
793 spinlock_t mmio_idx_lock;
794 struct amdgpu_mmio_remap rmmio_remap;
795 /* protects concurrent SMC based register access */
796 spinlock_t smc_idx_lock;
797 amdgpu_rreg_t smc_rreg;
798 amdgpu_wreg_t smc_wreg;
799 /* protects concurrent PCIE register access */
800 spinlock_t pcie_idx_lock;
801 amdgpu_rreg_t pcie_rreg;
802 amdgpu_wreg_t pcie_wreg;
803 amdgpu_rreg_t pciep_rreg;
804 amdgpu_wreg_t pciep_wreg;
805 /* protects concurrent UVD register access */
806 spinlock_t uvd_ctx_idx_lock;
807 amdgpu_rreg_t uvd_ctx_rreg;
808 amdgpu_wreg_t uvd_ctx_wreg;
809 /* protects concurrent DIDT register access */
810 spinlock_t didt_idx_lock;
811 amdgpu_rreg_t didt_rreg;
812 amdgpu_wreg_t didt_wreg;
813 /* protects concurrent gc_cac register access */
814 spinlock_t gc_cac_idx_lock;
815 amdgpu_rreg_t gc_cac_rreg;
816 amdgpu_wreg_t gc_cac_wreg;
817 /* protects concurrent se_cac register access */
818 spinlock_t se_cac_idx_lock;
819 amdgpu_rreg_t se_cac_rreg;
820 amdgpu_wreg_t se_cac_wreg;
821 /* protects concurrent ENDPOINT (audio) register access */
822 spinlock_t audio_endpt_idx_lock;
823 amdgpu_block_rreg_t audio_endpt_rreg;
824 amdgpu_block_wreg_t audio_endpt_wreg;
825 void __iomem *rio_mem;
826 resource_size_t rio_mem_size;
827 struct amdgpu_doorbell doorbell;
830 struct amdgpu_clock clock;
833 struct amdgpu_gmc gmc;
834 struct amdgpu_gart gart;
835 dma_addr_t dummy_page_addr;
836 struct amdgpu_vm_manager vm_manager;
837 struct amdgpu_vmhub vmhub[AMDGPU_MAX_VMHUBS];
839 /* memory management */
840 struct amdgpu_mman mman;
841 struct amdgpu_vram_scratch vram_scratch;
843 atomic64_t num_bytes_moved;
844 atomic64_t num_evictions;
845 atomic64_t num_vram_cpu_page_faults;
846 atomic_t gpu_reset_counter;
847 atomic_t vram_lost_counter;
849 /* data for buffer migration throttling */
853 s64 accum_us; /* accumulated microseconds */
854 s64 accum_us_vis; /* for visible VRAM */
859 bool enable_virtual_display;
860 struct amdgpu_mode_info mode_info;
861 /* For pre-DCE11. DCE11 and later are in "struct amdgpu_device->dm" */
862 struct work_struct hotplug_work;
863 struct amdgpu_irq_src crtc_irq;
864 struct amdgpu_irq_src vupdate_irq;
865 struct amdgpu_irq_src pageflip_irq;
866 struct amdgpu_irq_src hpd_irq;
871 struct amdgpu_ring *rings[AMDGPU_MAX_RINGS];
873 struct amdgpu_sa_manager ring_tmp_bo;
876 struct amdgpu_irq irq;
879 struct amd_powerplay powerplay;
880 bool pp_force_state_enabled;
883 struct smu_context smu;
891 struct amdgpu_gfx gfx;
894 struct amdgpu_sdma sdma;
897 struct amdgpu_uvd uvd;
900 struct amdgpu_vce vce;
903 struct amdgpu_vcn vcn;
906 struct amdgpu_firmware firmware;
909 struct psp_context psp;
912 struct amdgpu_gds gds;
915 struct amdgpu_kfd_dev kfd;
917 /* display related functionality */
918 struct amdgpu_display_manager dm;
925 struct amdgpu_mes mes;
927 struct amdgpu_ip_block ip_blocks[AMDGPU_MAX_IP_NUM];
929 struct mutex mn_lock;
930 DECLARE_HASHTABLE(mn_hash, 7);
932 /* tracking pinned memory */
933 atomic64_t vram_pin_size;
934 atomic64_t visible_pin_size;
935 atomic64_t gart_pin_size;
937 /* soc15 register offset based on ip, instance and segment */
938 uint32_t *reg_offset[MAX_HWIP][HWIP_MAX_INSTANCE];
940 const struct amdgpu_nbio_funcs *nbio_funcs;
941 const struct amdgpu_df_funcs *df_funcs;
943 /* delayed work_func for deferring clockgating during resume */
944 struct delayed_work delayed_init_work;
946 struct amdgpu_virt virt;
947 /* firmware VRAM reservation */
948 struct amdgpu_fw_vram_usage fw_vram_usage;
950 /* link all shadow bo */
951 struct list_head shadow_list;
952 struct mutex shadow_list_lock;
953 /* keep an lru list of rings by HW IP */
954 struct list_head ring_lru_list;
955 spinlock_t ring_lru_list_lock;
957 /* record hw reset is performed */
959 u8 reset_magic[AMDGPU_RESET_MAGIC_NUM];
964 /* record last mm index being written through WREG32*/
965 unsigned long last_mm_index;
967 struct mutex lock_reset;
968 struct amdgpu_doorbell_index doorbell_index;
971 struct work_struct xgmi_reset_work;
978 long compute_timeout;
981 uint64_t df_perfmon_config_assign_mask[AMDGPU_MAX_DF_PERFMONS];
984 static inline struct amdgpu_device *amdgpu_ttm_adev(struct ttm_bo_device *bdev)
986 return container_of(bdev, struct amdgpu_device, mman.bdev);
989 int amdgpu_device_init(struct amdgpu_device *adev,
990 struct drm_device *ddev,
991 struct pci_dev *pdev,
993 void amdgpu_device_fini(struct amdgpu_device *adev);
994 int amdgpu_gpu_wait_for_idle(struct amdgpu_device *adev);
996 uint32_t amdgpu_mm_rreg(struct amdgpu_device *adev, uint32_t reg,
998 void amdgpu_mm_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v,
1000 void amdgpu_mm_wreg8(struct amdgpu_device *adev, uint32_t offset, uint8_t value);
1001 uint8_t amdgpu_mm_rreg8(struct amdgpu_device *adev, uint32_t offset);
1003 u32 amdgpu_io_rreg(struct amdgpu_device *adev, u32 reg);
1004 void amdgpu_io_wreg(struct amdgpu_device *adev, u32 reg, u32 v);
1006 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type);
1007 bool amdgpu_device_has_dc_support(struct amdgpu_device *adev);
1009 int emu_soc_asic_init(struct amdgpu_device *adev);
1012 * Registers read & write functions.
1015 #define AMDGPU_REGS_IDX (1<<0)
1016 #define AMDGPU_REGS_NO_KIQ (1<<1)
1018 #define RREG32_NO_KIQ(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_NO_KIQ)
1019 #define WREG32_NO_KIQ(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_NO_KIQ)
1021 #define RREG8(reg) amdgpu_mm_rreg8(adev, (reg))
1022 #define WREG8(reg, v) amdgpu_mm_wreg8(adev, (reg), (v))
1024 #define RREG32(reg) amdgpu_mm_rreg(adev, (reg), 0)
1025 #define RREG32_IDX(reg) amdgpu_mm_rreg(adev, (reg), AMDGPU_REGS_IDX)
1026 #define DREG32(reg) printk(KERN_INFO "REGISTER: " #reg " : 0x%08X\n", amdgpu_mm_rreg(adev, (reg), 0))
1027 #define WREG32(reg, v) amdgpu_mm_wreg(adev, (reg), (v), 0)
1028 #define WREG32_IDX(reg, v) amdgpu_mm_wreg(adev, (reg), (v), AMDGPU_REGS_IDX)
1029 #define REG_SET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1030 #define REG_GET(FIELD, v) (((v) << FIELD##_SHIFT) & FIELD##_MASK)
1031 #define RREG32_PCIE(reg) adev->pcie_rreg(adev, (reg))
1032 #define WREG32_PCIE(reg, v) adev->pcie_wreg(adev, (reg), (v))
1033 #define RREG32_PCIE_PORT(reg) adev->pciep_rreg(adev, (reg))
1034 #define WREG32_PCIE_PORT(reg, v) adev->pciep_wreg(adev, (reg), (v))
1035 #define RREG32_SMC(reg) adev->smc_rreg(adev, (reg))
1036 #define WREG32_SMC(reg, v) adev->smc_wreg(adev, (reg), (v))
1037 #define RREG32_UVD_CTX(reg) adev->uvd_ctx_rreg(adev, (reg))
1038 #define WREG32_UVD_CTX(reg, v) adev->uvd_ctx_wreg(adev, (reg), (v))
1039 #define RREG32_DIDT(reg) adev->didt_rreg(adev, (reg))
1040 #define WREG32_DIDT(reg, v) adev->didt_wreg(adev, (reg), (v))
1041 #define RREG32_GC_CAC(reg) adev->gc_cac_rreg(adev, (reg))
1042 #define WREG32_GC_CAC(reg, v) adev->gc_cac_wreg(adev, (reg), (v))
1043 #define RREG32_SE_CAC(reg) adev->se_cac_rreg(adev, (reg))
1044 #define WREG32_SE_CAC(reg, v) adev->se_cac_wreg(adev, (reg), (v))
1045 #define RREG32_AUDIO_ENDPT(block, reg) adev->audio_endpt_rreg(adev, (block), (reg))
1046 #define WREG32_AUDIO_ENDPT(block, reg, v) adev->audio_endpt_wreg(adev, (block), (reg), (v))
1047 #define WREG32_P(reg, val, mask) \
1049 uint32_t tmp_ = RREG32(reg); \
1051 tmp_ |= ((val) & ~(mask)); \
1052 WREG32(reg, tmp_); \
1054 #define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
1055 #define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
1056 #define WREG32_PLL_P(reg, val, mask) \
1058 uint32_t tmp_ = RREG32_PLL(reg); \
1060 tmp_ |= ((val) & ~(mask)); \
1061 WREG32_PLL(reg, tmp_); \
1063 #define DREG32_SYS(sqf, adev, reg) seq_printf((sqf), #reg " : 0x%08X\n", amdgpu_mm_rreg((adev), (reg), false))
1064 #define RREG32_IO(reg) amdgpu_io_rreg(adev, (reg))
1065 #define WREG32_IO(reg, v) amdgpu_io_wreg(adev, (reg), (v))
1067 #define REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT
1068 #define REG_FIELD_MASK(reg, field) reg##__##field##_MASK
1070 #define REG_SET_FIELD(orig_val, reg, field, field_val) \
1071 (((orig_val) & ~REG_FIELD_MASK(reg, field)) | \
1072 (REG_FIELD_MASK(reg, field) & ((field_val) << REG_FIELD_SHIFT(reg, field))))
1074 #define REG_GET_FIELD(value, reg, field) \
1075 (((value) & REG_FIELD_MASK(reg, field)) >> REG_FIELD_SHIFT(reg, field))
1077 #define WREG32_FIELD(reg, field, val) \
1078 WREG32(mm##reg, (RREG32(mm##reg) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1080 #define WREG32_FIELD_OFFSET(reg, offset, field, val) \
1081 WREG32(mm##reg + offset, (RREG32(mm##reg + offset) & ~REG_FIELD_MASK(reg, field)) | (val) << REG_FIELD_SHIFT(reg, field))
1086 #define RBIOS8(i) (adev->bios[i])
1087 #define RBIOS16(i) (RBIOS8(i) | (RBIOS8((i)+1) << 8))
1088 #define RBIOS32(i) ((RBIOS16(i)) | (RBIOS16((i)+2) << 16))
1093 #define amdgpu_asic_set_vga_state(adev, state) (adev)->asic_funcs->set_vga_state((adev), (state))
1094 #define amdgpu_asic_reset(adev) (adev)->asic_funcs->reset((adev))
1095 #define amdgpu_asic_get_xclk(adev) (adev)->asic_funcs->get_xclk((adev))
1096 #define amdgpu_asic_set_uvd_clocks(adev, v, d) (adev)->asic_funcs->set_uvd_clocks((adev), (v), (d))
1097 #define amdgpu_asic_set_vce_clocks(adev, ev, ec) (adev)->asic_funcs->set_vce_clocks((adev), (ev), (ec))
1098 #define amdgpu_get_pcie_lanes(adev) (adev)->asic_funcs->get_pcie_lanes((adev))
1099 #define amdgpu_set_pcie_lanes(adev, l) (adev)->asic_funcs->set_pcie_lanes((adev), (l))
1100 #define amdgpu_asic_get_gpu_clock_counter(adev) (adev)->asic_funcs->get_gpu_clock_counter((adev))
1101 #define amdgpu_asic_read_disabled_bios(adev) (adev)->asic_funcs->read_disabled_bios((adev))
1102 #define amdgpu_asic_read_bios_from_rom(adev, b, l) (adev)->asic_funcs->read_bios_from_rom((adev), (b), (l))
1103 #define amdgpu_asic_read_register(adev, se, sh, offset, v)((adev)->asic_funcs->read_register((adev), (se), (sh), (offset), (v)))
1104 #define amdgpu_asic_get_config_memsize(adev) (adev)->asic_funcs->get_config_memsize((adev))
1105 #define amdgpu_asic_flush_hdp(adev, r) (adev)->asic_funcs->flush_hdp((adev), (r))
1106 #define amdgpu_asic_invalidate_hdp(adev, r) (adev)->asic_funcs->invalidate_hdp((adev), (r))
1107 #define amdgpu_asic_need_full_reset(adev) (adev)->asic_funcs->need_full_reset((adev))
1108 #define amdgpu_asic_init_doorbell_index(adev) (adev)->asic_funcs->init_doorbell_index((adev))
1109 #define amdgpu_asic_get_pcie_usage(adev, cnt0, cnt1) ((adev)->asic_funcs->get_pcie_usage((adev), (cnt0), (cnt1)))
1110 #define amdgpu_asic_need_reset_on_init(adev) (adev)->asic_funcs->need_reset_on_init((adev))
1111 #define amdgpu_asic_get_pcie_replay_count(adev) ((adev)->asic_funcs->get_pcie_replay_count((adev)))
1113 /* Common functions */
1114 bool amdgpu_device_should_recover_gpu(struct amdgpu_device *adev);
1115 int amdgpu_device_gpu_recover(struct amdgpu_device *adev,
1116 struct amdgpu_job* job);
1117 void amdgpu_device_pci_config_reset(struct amdgpu_device *adev);
1118 bool amdgpu_device_need_post(struct amdgpu_device *adev);
1120 void amdgpu_cs_report_moved_bytes(struct amdgpu_device *adev, u64 num_bytes,
1122 int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev);
1123 void amdgpu_device_program_register_sequence(struct amdgpu_device *adev,
1124 const u32 *registers,
1125 const u32 array_size);
1127 bool amdgpu_device_is_px(struct drm_device *dev);
1128 bool amdgpu_device_is_peer_accessible(struct amdgpu_device *adev,
1129 struct amdgpu_device *peer_adev);
1132 #if defined(CONFIG_VGA_SWITCHEROO)
1133 void amdgpu_register_atpx_handler(void);
1134 void amdgpu_unregister_atpx_handler(void);
1135 bool amdgpu_has_atpx_dgpu_power_cntl(void);
1136 bool amdgpu_is_atpx_hybrid(void);
1137 bool amdgpu_atpx_dgpu_req_power_for_displays(void);
1138 bool amdgpu_has_atpx(void);
1140 static inline void amdgpu_register_atpx_handler(void) {}
1141 static inline void amdgpu_unregister_atpx_handler(void) {}
1142 static inline bool amdgpu_has_atpx_dgpu_power_cntl(void) { return false; }
1143 static inline bool amdgpu_is_atpx_hybrid(void) { return false; }
1144 static inline bool amdgpu_atpx_dgpu_req_power_for_displays(void) { return false; }
1145 static inline bool amdgpu_has_atpx(void) { return false; }
1148 #if defined(CONFIG_VGA_SWITCHEROO) && defined(CONFIG_ACPI)
1149 void *amdgpu_atpx_get_dhandle(void);
1151 static inline void *amdgpu_atpx_get_dhandle(void) { return NULL; }
1157 extern const struct drm_ioctl_desc amdgpu_ioctls_kms[];
1158 extern const int amdgpu_max_kms_ioctl;
1160 int amdgpu_driver_load_kms(struct drm_device *dev, unsigned long flags);
1161 void amdgpu_driver_unload_kms(struct drm_device *dev);
1162 void amdgpu_driver_lastclose_kms(struct drm_device *dev);
1163 int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv);
1164 void amdgpu_driver_postclose_kms(struct drm_device *dev,
1165 struct drm_file *file_priv);
1166 int amdgpu_device_ip_suspend(struct amdgpu_device *adev);
1167 int amdgpu_device_suspend(struct drm_device *dev, bool suspend, bool fbcon);
1168 int amdgpu_device_resume(struct drm_device *dev, bool resume, bool fbcon);
1169 u32 amdgpu_get_vblank_counter_kms(struct drm_device *dev, unsigned int pipe);
1170 int amdgpu_enable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1171 void amdgpu_disable_vblank_kms(struct drm_device *dev, unsigned int pipe);
1172 long amdgpu_kms_compat_ioctl(struct file *filp, unsigned int cmd,
1176 * functions used by amdgpu_encoder.c
1178 struct amdgpu_afmt_acr {
1192 struct amdgpu_afmt_acr amdgpu_afmt_acr(uint32_t clock);
1195 #if defined(CONFIG_ACPI)
1196 int amdgpu_acpi_init(struct amdgpu_device *adev);
1197 void amdgpu_acpi_fini(struct amdgpu_device *adev);
1198 bool amdgpu_acpi_is_pcie_performance_request_supported(struct amdgpu_device *adev);
1199 int amdgpu_acpi_pcie_performance_request(struct amdgpu_device *adev,
1200 u8 perf_req, bool advertise);
1201 int amdgpu_acpi_pcie_notify_device_ready(struct amdgpu_device *adev);
1203 void amdgpu_acpi_get_backlight_caps(struct amdgpu_device *adev,
1204 struct amdgpu_dm_backlight_caps *caps);
1206 static inline int amdgpu_acpi_init(struct amdgpu_device *adev) { return 0; }
1207 static inline void amdgpu_acpi_fini(struct amdgpu_device *adev) { }
1210 int amdgpu_cs_find_mapping(struct amdgpu_cs_parser *parser,
1211 uint64_t addr, struct amdgpu_bo **bo,
1212 struct amdgpu_bo_va_mapping **mapping);
1214 #if defined(CONFIG_DRM_AMD_DC)
1215 int amdgpu_dm_display_resume(struct amdgpu_device *adev );
1217 static inline int amdgpu_dm_display_resume(struct amdgpu_device *adev) { return 0; }
1221 void amdgpu_register_gpu_instance(struct amdgpu_device *adev);
1222 void amdgpu_unregister_gpu_instance(struct amdgpu_device *adev);
1224 #include "amdgpu_object.h"
1226 /* used by df_v3_6.c and amdgpu_pmu.c */
1227 #define AMDGPU_PMU_ATTR(_name, _object) \
1229 _name##_show(struct device *dev, \
1230 struct device_attribute *attr, \
1233 BUILD_BUG_ON(sizeof(_object) >= PAGE_SIZE - 1); \
1234 return sprintf(page, _object "\n"); \
1237 static struct device_attribute pmu_attr_##_name = __ATTR_RO(_name)