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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | |
parent | Initial commit. (diff) | |
download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 451 |
1 files changed, 451 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h new file mode 100644 index 0000000000..e2ab303ad2 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h @@ -0,0 +1,451 @@ +/* + * Copyright 2016 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Christian König + */ +#ifndef __AMDGPU_RING_H__ +#define __AMDGPU_RING_H__ + +#include <drm/amdgpu_drm.h> +#include <drm/gpu_scheduler.h> +#include <drm/drm_print.h> +#include <drm/drm_suballoc.h> + +struct amdgpu_device; +struct amdgpu_ring; +struct amdgpu_ib; +struct amdgpu_cs_parser; +struct amdgpu_job; +struct amdgpu_vm; + +/* max number of rings */ +#define AMDGPU_MAX_RINGS 124 +#define AMDGPU_MAX_HWIP_RINGS 64 +#define AMDGPU_MAX_GFX_RINGS 2 +#define AMDGPU_MAX_SW_GFX_RINGS 2 +#define AMDGPU_MAX_COMPUTE_RINGS 8 +#define AMDGPU_MAX_VCE_RINGS 3 +#define AMDGPU_MAX_UVD_ENC_RINGS 2 + +enum amdgpu_ring_priority_level { + AMDGPU_RING_PRIO_0, + AMDGPU_RING_PRIO_1, + AMDGPU_RING_PRIO_DEFAULT = 1, + AMDGPU_RING_PRIO_2, + AMDGPU_RING_PRIO_MAX +}; + +/* some special values for the owner field */ +#define AMDGPU_FENCE_OWNER_UNDEFINED ((void *)0ul) +#define AMDGPU_FENCE_OWNER_VM ((void *)1ul) +#define AMDGPU_FENCE_OWNER_KFD ((void *)2ul) + +#define AMDGPU_FENCE_FLAG_64BIT (1 << 0) +#define AMDGPU_FENCE_FLAG_INT (1 << 1) +#define AMDGPU_FENCE_FLAG_TC_WB_ONLY (1 << 2) +#define AMDGPU_FENCE_FLAG_EXEC (1 << 3) + +#define to_amdgpu_ring(s) container_of((s), struct amdgpu_ring, sched) + +#define AMDGPU_IB_POOL_SIZE (1024 * 1024) + +enum amdgpu_ring_type { + AMDGPU_RING_TYPE_GFX = AMDGPU_HW_IP_GFX, + AMDGPU_RING_TYPE_COMPUTE = AMDGPU_HW_IP_COMPUTE, + AMDGPU_RING_TYPE_SDMA = AMDGPU_HW_IP_DMA, + AMDGPU_RING_TYPE_UVD = AMDGPU_HW_IP_UVD, + AMDGPU_RING_TYPE_VCE = AMDGPU_HW_IP_VCE, + AMDGPU_RING_TYPE_UVD_ENC = AMDGPU_HW_IP_UVD_ENC, + AMDGPU_RING_TYPE_VCN_DEC = AMDGPU_HW_IP_VCN_DEC, + AMDGPU_RING_TYPE_VCN_ENC = AMDGPU_HW_IP_VCN_ENC, + AMDGPU_RING_TYPE_VCN_JPEG = AMDGPU_HW_IP_VCN_JPEG, + AMDGPU_RING_TYPE_KIQ, + AMDGPU_RING_TYPE_MES +}; + +enum amdgpu_ib_pool_type { + /* Normal submissions to the top of the pipeline. */ + AMDGPU_IB_POOL_DELAYED, + /* Immediate submissions to the bottom of the pipeline. */ + AMDGPU_IB_POOL_IMMEDIATE, + /* Direct submission to the ring buffer during init and reset. */ + AMDGPU_IB_POOL_DIRECT, + + AMDGPU_IB_POOL_MAX +}; + +struct amdgpu_ib { + struct drm_suballoc *sa_bo; + uint32_t length_dw; + uint64_t gpu_addr; + uint32_t *ptr; + uint32_t flags; +}; + +struct amdgpu_sched { + u32 num_scheds; + struct drm_gpu_scheduler *sched[AMDGPU_MAX_HWIP_RINGS]; +}; + +/* + * Fences. + */ +struct amdgpu_fence_driver { + uint64_t gpu_addr; + volatile uint32_t *cpu_addr; + /* sync_seq is protected by ring emission lock */ + uint32_t sync_seq; + atomic_t last_seq; + bool initialized; + struct amdgpu_irq_src *irq_src; + unsigned irq_type; + struct timer_list fallback_timer; + unsigned num_fences_mask; + spinlock_t lock; + struct dma_fence **fences; +}; + +extern const struct drm_sched_backend_ops amdgpu_sched_ops; + +void amdgpu_fence_driver_clear_job_fences(struct amdgpu_ring *ring); +void amdgpu_fence_driver_set_error(struct amdgpu_ring *ring, int error); +void amdgpu_fence_driver_force_completion(struct amdgpu_ring *ring); + +int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring); +int amdgpu_fence_driver_start_ring(struct amdgpu_ring *ring, + struct amdgpu_irq_src *irq_src, + unsigned irq_type); +void amdgpu_fence_driver_hw_init(struct amdgpu_device *adev); +void amdgpu_fence_driver_hw_fini(struct amdgpu_device *adev); +int amdgpu_fence_driver_sw_init(struct amdgpu_device *adev); +void amdgpu_fence_driver_sw_fini(struct amdgpu_device *adev); +int amdgpu_fence_emit(struct amdgpu_ring *ring, struct dma_fence **fence, struct amdgpu_job *job, + unsigned flags); +int amdgpu_fence_emit_polling(struct amdgpu_ring *ring, uint32_t *s, + uint32_t timeout); +bool amdgpu_fence_process(struct amdgpu_ring *ring); +int amdgpu_fence_wait_empty(struct amdgpu_ring *ring); +signed long amdgpu_fence_wait_polling(struct amdgpu_ring *ring, + uint32_t wait_seq, + signed long timeout); +unsigned amdgpu_fence_count_emitted(struct amdgpu_ring *ring); + +void amdgpu_fence_driver_isr_toggle(struct amdgpu_device *adev, bool stop); + +u64 amdgpu_fence_last_unsignaled_time_us(struct amdgpu_ring *ring); +void amdgpu_fence_update_start_timestamp(struct amdgpu_ring *ring, uint32_t seq, + ktime_t timestamp); + +/* + * Rings. + */ + +/* provided by hw blocks that expose a ring buffer for commands */ +struct amdgpu_ring_funcs { + enum amdgpu_ring_type type; + uint32_t align_mask; + u32 nop; + bool support_64bit_ptrs; + bool no_user_fence; + bool secure_submission_supported; + unsigned extra_dw; + + /* ring read/write ptr handling */ + u64 (*get_rptr)(struct amdgpu_ring *ring); + u64 (*get_wptr)(struct amdgpu_ring *ring); + void (*set_wptr)(struct amdgpu_ring *ring); + /* validating and patching of IBs */ + int (*parse_cs)(struct amdgpu_cs_parser *p, + struct amdgpu_job *job, + struct amdgpu_ib *ib); + int (*patch_cs_in_place)(struct amdgpu_cs_parser *p, + struct amdgpu_job *job, + struct amdgpu_ib *ib); + /* constants to calculate how many DW are needed for an emit */ + unsigned emit_frame_size; + unsigned emit_ib_size; + /* command emit functions */ + void (*emit_ib)(struct amdgpu_ring *ring, + struct amdgpu_job *job, + struct amdgpu_ib *ib, + uint32_t flags); + void (*emit_fence)(struct amdgpu_ring *ring, uint64_t addr, + uint64_t seq, unsigned flags); + void (*emit_pipeline_sync)(struct amdgpu_ring *ring); + void (*emit_vm_flush)(struct amdgpu_ring *ring, unsigned vmid, + uint64_t pd_addr); + void (*emit_hdp_flush)(struct amdgpu_ring *ring); + void (*emit_gds_switch)(struct amdgpu_ring *ring, uint32_t vmid, + uint32_t gds_base, uint32_t gds_size, + uint32_t gws_base, uint32_t gws_size, + uint32_t oa_base, uint32_t oa_size); + /* testing functions */ + int (*test_ring)(struct amdgpu_ring *ring); + int (*test_ib)(struct amdgpu_ring *ring, long timeout); + /* insert NOP packets */ + void (*insert_nop)(struct amdgpu_ring *ring, uint32_t count); + void (*insert_start)(struct amdgpu_ring *ring); + void (*insert_end)(struct amdgpu_ring *ring); + /* pad the indirect buffer to the necessary number of dw */ + void (*pad_ib)(struct amdgpu_ring *ring, struct amdgpu_ib *ib); + unsigned (*init_cond_exec)(struct amdgpu_ring *ring); + void (*patch_cond_exec)(struct amdgpu_ring *ring, unsigned offset); + /* note usage for clock and power gating */ + void (*begin_use)(struct amdgpu_ring *ring); + void (*end_use)(struct amdgpu_ring *ring); + void (*emit_switch_buffer) (struct amdgpu_ring *ring); + void (*emit_cntxcntl) (struct amdgpu_ring *ring, uint32_t flags); + void (*emit_gfx_shadow)(struct amdgpu_ring *ring, u64 shadow_va, u64 csa_va, + u64 gds_va, bool init_shadow, int vmid); + void (*emit_rreg)(struct amdgpu_ring *ring, uint32_t reg, + uint32_t reg_val_offs); + void (*emit_wreg)(struct amdgpu_ring *ring, uint32_t reg, uint32_t val); + void (*emit_reg_wait)(struct amdgpu_ring *ring, uint32_t reg, + uint32_t val, uint32_t mask); + void (*emit_reg_write_reg_wait)(struct amdgpu_ring *ring, + uint32_t reg0, uint32_t reg1, + uint32_t ref, uint32_t mask); + void (*emit_frame_cntl)(struct amdgpu_ring *ring, bool start, + bool secure); + /* Try to soft recover the ring to make the fence signal */ + void (*soft_recovery)(struct amdgpu_ring *ring, unsigned vmid); + int (*preempt_ib)(struct amdgpu_ring *ring); + void (*emit_mem_sync)(struct amdgpu_ring *ring); + void (*emit_wave_limit)(struct amdgpu_ring *ring, bool enable); + void (*patch_cntl)(struct amdgpu_ring *ring, unsigned offset); + void (*patch_ce)(struct amdgpu_ring *ring, unsigned offset); + void (*patch_de)(struct amdgpu_ring *ring, unsigned offset); +}; + +struct amdgpu_ring { + struct amdgpu_device *adev; + const struct amdgpu_ring_funcs *funcs; + struct amdgpu_fence_driver fence_drv; + struct drm_gpu_scheduler sched; + + struct amdgpu_bo *ring_obj; + volatile uint32_t *ring; + unsigned rptr_offs; + u64 rptr_gpu_addr; + volatile u32 *rptr_cpu_addr; + u64 wptr; + u64 wptr_old; + unsigned ring_size; + unsigned max_dw; + int count_dw; + uint64_t gpu_addr; + uint64_t ptr_mask; + uint32_t buf_mask; + u32 idx; + u32 xcc_id; + u32 xcp_id; + u32 me; + u32 pipe; + u32 queue; + struct amdgpu_bo *mqd_obj; + uint64_t mqd_gpu_addr; + void *mqd_ptr; + unsigned mqd_size; + uint64_t eop_gpu_addr; + u32 doorbell_index; + bool use_doorbell; + bool use_pollmem; + unsigned wptr_offs; + u64 wptr_gpu_addr; + volatile u32 *wptr_cpu_addr; + unsigned fence_offs; + u64 fence_gpu_addr; + volatile u32 *fence_cpu_addr; + uint64_t current_ctx; + char name[16]; + u32 trail_seq; + unsigned trail_fence_offs; + u64 trail_fence_gpu_addr; + volatile u32 *trail_fence_cpu_addr; + unsigned cond_exe_offs; + u64 cond_exe_gpu_addr; + volatile u32 *cond_exe_cpu_addr; + unsigned vm_hub; + unsigned vm_inv_eng; + struct dma_fence *vmid_wait; + bool has_compute_vm_bug; + bool no_scheduler; + int hw_prio; + unsigned num_hw_submission; + atomic_t *sched_score; + + /* used for mes */ + bool is_mes_queue; + uint32_t hw_queue_id; + struct amdgpu_mes_ctx_data *mes_ctx; + + bool is_sw_ring; + unsigned int entry_index; + +}; + +#define amdgpu_ring_parse_cs(r, p, job, ib) ((r)->funcs->parse_cs((p), (job), (ib))) +#define amdgpu_ring_patch_cs_in_place(r, p, job, ib) ((r)->funcs->patch_cs_in_place((p), (job), (ib))) +#define amdgpu_ring_test_ring(r) (r)->funcs->test_ring((r)) +#define amdgpu_ring_test_ib(r, t) ((r)->funcs->test_ib ? (r)->funcs->test_ib((r), (t)) : 0) +#define amdgpu_ring_get_rptr(r) (r)->funcs->get_rptr((r)) +#define amdgpu_ring_get_wptr(r) (r)->funcs->get_wptr((r)) +#define amdgpu_ring_set_wptr(r) (r)->funcs->set_wptr((r)) +#define amdgpu_ring_emit_ib(r, job, ib, flags) ((r)->funcs->emit_ib((r), (job), (ib), (flags))) +#define amdgpu_ring_emit_pipeline_sync(r) (r)->funcs->emit_pipeline_sync((r)) +#define amdgpu_ring_emit_vm_flush(r, vmid, addr) (r)->funcs->emit_vm_flush((r), (vmid), (addr)) +#define amdgpu_ring_emit_fence(r, addr, seq, flags) (r)->funcs->emit_fence((r), (addr), (seq), (flags)) +#define amdgpu_ring_emit_gds_switch(r, v, db, ds, wb, ws, ab, as) (r)->funcs->emit_gds_switch((r), (v), (db), (ds), (wb), (ws), (ab), (as)) +#define amdgpu_ring_emit_hdp_flush(r) (r)->funcs->emit_hdp_flush((r)) +#define amdgpu_ring_emit_switch_buffer(r) (r)->funcs->emit_switch_buffer((r)) +#define amdgpu_ring_emit_cntxcntl(r, d) (r)->funcs->emit_cntxcntl((r), (d)) +#define amdgpu_ring_emit_gfx_shadow(r, s, c, g, i, v) ((r)->funcs->emit_gfx_shadow((r), (s), (c), (g), (i), (v))) +#define amdgpu_ring_emit_rreg(r, d, o) (r)->funcs->emit_rreg((r), (d), (o)) +#define amdgpu_ring_emit_wreg(r, d, v) (r)->funcs->emit_wreg((r), (d), (v)) +#define amdgpu_ring_emit_reg_wait(r, d, v, m) (r)->funcs->emit_reg_wait((r), (d), (v), (m)) +#define amdgpu_ring_emit_reg_write_reg_wait(r, d0, d1, v, m) (r)->funcs->emit_reg_write_reg_wait((r), (d0), (d1), (v), (m)) +#define amdgpu_ring_emit_frame_cntl(r, b, s) (r)->funcs->emit_frame_cntl((r), (b), (s)) +#define amdgpu_ring_pad_ib(r, ib) ((r)->funcs->pad_ib((r), (ib))) +#define amdgpu_ring_init_cond_exec(r) (r)->funcs->init_cond_exec((r)) +#define amdgpu_ring_patch_cond_exec(r,o) (r)->funcs->patch_cond_exec((r),(o)) +#define amdgpu_ring_preempt_ib(r) (r)->funcs->preempt_ib(r) +#define amdgpu_ring_patch_cntl(r, o) ((r)->funcs->patch_cntl((r), (o))) +#define amdgpu_ring_patch_ce(r, o) ((r)->funcs->patch_ce((r), (o))) +#define amdgpu_ring_patch_de(r, o) ((r)->funcs->patch_de((r), (o))) + +unsigned int amdgpu_ring_max_ibs(enum amdgpu_ring_type type); +int amdgpu_ring_alloc(struct amdgpu_ring *ring, unsigned ndw); +void amdgpu_ring_ib_begin(struct amdgpu_ring *ring); +void amdgpu_ring_ib_end(struct amdgpu_ring *ring); +void amdgpu_ring_ib_on_emit_cntl(struct amdgpu_ring *ring); +void amdgpu_ring_ib_on_emit_ce(struct amdgpu_ring *ring); +void amdgpu_ring_ib_on_emit_de(struct amdgpu_ring *ring); + +void amdgpu_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count); +void amdgpu_ring_generic_pad_ib(struct amdgpu_ring *ring, struct amdgpu_ib *ib); +void amdgpu_ring_commit(struct amdgpu_ring *ring); +void amdgpu_ring_undo(struct amdgpu_ring *ring); +int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, + unsigned int max_dw, struct amdgpu_irq_src *irq_src, + unsigned int irq_type, unsigned int hw_prio, + atomic_t *sched_score); +void amdgpu_ring_fini(struct amdgpu_ring *ring); +void amdgpu_ring_emit_reg_write_reg_wait_helper(struct amdgpu_ring *ring, + uint32_t reg0, uint32_t val0, + uint32_t reg1, uint32_t val1); +bool amdgpu_ring_soft_recovery(struct amdgpu_ring *ring, unsigned int vmid, + struct dma_fence *fence); + +static inline void amdgpu_ring_set_preempt_cond_exec(struct amdgpu_ring *ring, + bool cond_exec) +{ + *ring->cond_exe_cpu_addr = cond_exec; +} + +static inline void amdgpu_ring_clear_ring(struct amdgpu_ring *ring) +{ + int i = 0; + while (i <= ring->buf_mask) + ring->ring[i++] = ring->funcs->nop; + +} + +static inline void amdgpu_ring_write(struct amdgpu_ring *ring, uint32_t v) +{ + if (ring->count_dw <= 0) + DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n"); + ring->ring[ring->wptr++ & ring->buf_mask] = v; + ring->wptr &= ring->ptr_mask; + ring->count_dw--; +} + +static inline void amdgpu_ring_write_multiple(struct amdgpu_ring *ring, + void *src, int count_dw) +{ + unsigned occupied, chunk1, chunk2; + void *dst; + + if (unlikely(ring->count_dw < count_dw)) + DRM_ERROR("amdgpu: writing more dwords to the ring than expected!\n"); + + occupied = ring->wptr & ring->buf_mask; + dst = (void *)&ring->ring[occupied]; + chunk1 = ring->buf_mask + 1 - occupied; + chunk1 = (chunk1 >= count_dw) ? count_dw : chunk1; + chunk2 = count_dw - chunk1; + chunk1 <<= 2; + chunk2 <<= 2; + + if (chunk1) + memcpy(dst, src, chunk1); + + if (chunk2) { + src += chunk1; + dst = (void *)ring->ring; + memcpy(dst, src, chunk2); + } + + ring->wptr += count_dw; + ring->wptr &= ring->ptr_mask; + ring->count_dw -= count_dw; +} + +#define amdgpu_mes_ctx_get_offs_gpu_addr(ring, offset) \ + (ring->is_mes_queue && ring->mes_ctx ? \ + (ring->mes_ctx->meta_data_gpu_addr + offset) : 0) + +#define amdgpu_mes_ctx_get_offs_cpu_addr(ring, offset) \ + (ring->is_mes_queue && ring->mes_ctx ? \ + (void *)((uint8_t *)(ring->mes_ctx->meta_data_ptr) + offset) : \ + NULL) + +int amdgpu_ring_test_helper(struct amdgpu_ring *ring); + +void amdgpu_debugfs_ring_init(struct amdgpu_device *adev, + struct amdgpu_ring *ring); + +int amdgpu_ring_init_mqd(struct amdgpu_ring *ring); + +static inline u32 amdgpu_ib_get_value(struct amdgpu_ib *ib, int idx) +{ + return ib->ptr[idx]; +} + +static inline void amdgpu_ib_set_value(struct amdgpu_ib *ib, int idx, + uint32_t value) +{ + ib->ptr[idx] = value; +} + +int amdgpu_ib_get(struct amdgpu_device *adev, struct amdgpu_vm *vm, + unsigned size, + enum amdgpu_ib_pool_type pool, + struct amdgpu_ib *ib); +void amdgpu_ib_free(struct amdgpu_device *adev, struct amdgpu_ib *ib, + struct dma_fence *f); +int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs, + struct amdgpu_ib *ibs, struct amdgpu_job *job, + struct dma_fence **f); +int amdgpu_ib_pool_init(struct amdgpu_device *adev); +void amdgpu_ib_pool_fini(struct amdgpu_device *adev); +int amdgpu_ib_ring_tests(struct amdgpu_device *adev); + +#endif |