diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h | 416 |
1 files changed, 339 insertions, 77 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h index d87e828a084b..7a27c6c4bb44 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h @@ -27,13 +27,32 @@ #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 23 -#define AMDGPU_MAX_GFX_RINGS 1 +#define AMDGPU_MAX_RINGS 149 +#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 +#define AMDGPU_MAX_VPE_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) @@ -43,37 +62,64 @@ #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_RING_TYPE_COMPUTE, - AMDGPU_RING_TYPE_SDMA, - AMDGPU_RING_TYPE_UVD, - AMDGPU_RING_TYPE_VCE, + 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_VPE = AMDGPU_HW_IP_VPE, AMDGPU_RING_TYPE_KIQ, - AMDGPU_RING_TYPE_UVD_ENC, - AMDGPU_RING_TYPE_VCN_DEC, - AMDGPU_RING_TYPE_VCN_ENC, - AMDGPU_RING_TYPE_VCN_JPEG + AMDGPU_RING_TYPE_MES, + AMDGPU_RING_TYPE_UMSCH_MM, + AMDGPU_RING_TYPE_CPER, + AMDGPU_RING_TYPE_MAX, }; -struct amdgpu_device; -struct amdgpu_ring; -struct amdgpu_ib; -struct amdgpu_cs_parser; -struct amdgpu_job; +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; + uint32_t *cpu_addr; /* sync_seq is protected by ring emission lock */ uint32_t sync_seq; atomic_t last_seq; + u64 signalled_wptr; bool initialized; struct amdgpu_irq_src *irq_src; unsigned irq_type; @@ -83,20 +129,46 @@ struct amdgpu_fence_driver { struct dma_fence **fences; }; -int amdgpu_fence_driver_init(struct amdgpu_device *adev); -void amdgpu_fence_driver_fini(struct amdgpu_device *adev); +/* + * Fences mark an event in the GPUs pipeline and are used + * for GPU/CPU synchronization. When the fence is written, + * it is expected that all buffers associated with that fence + * are no longer in use by the associated ring on the GPU and + * that the relevant GPU caches have been flushed. + */ + +struct amdgpu_fence { + struct dma_fence base; + + /* RB, DMA, etc. */ + struct amdgpu_ring *ring; + ktime_t start_timestamp; + + /* wptr for the fence for resets */ + u64 wptr; + /* fence context for resets */ + u64 context; +}; + +extern const struct drm_sched_backend_ops amdgpu_sched_ops; + +void amdgpu_fence_driver_set_error(struct amdgpu_ring *ring, int error); void amdgpu_fence_driver_force_completion(struct amdgpu_ring *ring); +void amdgpu_fence_driver_guilty_force_completion(struct amdgpu_fence *af); +void amdgpu_fence_save_wptr(struct amdgpu_fence *af); -int amdgpu_fence_driver_init_ring(struct amdgpu_ring *ring, - unsigned num_hw_submission); +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_suspend(struct amdgpu_device *adev); -void amdgpu_fence_driver_resume(struct amdgpu_device *adev); -int amdgpu_fence_emit(struct amdgpu_ring *ring, struct dma_fence **fence, - unsigned flags); -int amdgpu_fence_emit_polling(struct amdgpu_ring *ring, uint32_t *s); +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 amdgpu_fence *af, + unsigned int 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, @@ -104,26 +176,64 @@ signed long amdgpu_fence_wait_polling(struct amdgpu_ring *ring, 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 { + /** + * @type: + * + * GFX, Compute, SDMA, UVD, VCE, VCN, VPE, KIQ, MES, UMSCH, and CPER + * use ring buffers. The type field just identifies which component the + * ring buffer is associated with. + */ enum amdgpu_ring_type type; uint32_t align_mask; + + /** + * @nop: + * + * Every block in the amdgpu has no-op instructions (e.g., GFX 10 + * uses PACKET3(PACKET3_NOP, 0x3FFF), VCN 5 uses VCN_ENC_CMD_NO_OP, + * etc). This field receives the specific no-op for the component + * that initializes the ring. + */ u32 nop; bool support_64bit_ptrs; - unsigned vmhub; - unsigned extra_dw; + bool no_user_fence; + bool secure_submission_supported; + + /** + * @extra_bytes: + * + * Optional extra space in bytes that is added to the ring size + * when allocating the BO that holds the contents of the ring. + * This space isn't used for command submission to the ring, + * but is just there to satisfy some hardware requirements or + * implement workarounds. It's up to the implementation of each + * specific ring to initialize this space. + */ + unsigned extra_bytes; /* 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, uint32_t ib_idx); - int (*patch_cs_in_place)(struct amdgpu_cs_parser *p, uint32_t ib_idx); + 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; @@ -131,7 +241,7 @@ struct amdgpu_ring_funcs { void (*emit_ib)(struct amdgpu_ring *ring, struct amdgpu_job *job, struct amdgpu_ib *ib, - bool ctx_switch); + 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); @@ -151,28 +261,40 @@ struct amdgpu_ring_funcs { 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); + unsigned (*init_cond_exec)(struct amdgpu_ring *ring, uint64_t addr); /* 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_rreg)(struct amdgpu_ring *ring, uint32_t reg); + 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_tmz)(struct amdgpu_ring *ring, bool start); - /* priority functions */ - void (*set_priority) (struct amdgpu_ring *ring, - enum drm_sched_priority priority); + 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); + int (*reset)(struct amdgpu_ring *ring, unsigned int vmid, + struct amdgpu_fence *timedout_fence); + void (*emit_cleaner_shader)(struct amdgpu_ring *ring); }; +/** + * amdgpu_ring - Holds ring information + */ struct amdgpu_ring { struct amdgpu_device *adev; const struct amdgpu_ring_funcs *funcs; @@ -180,56 +302,132 @@ struct amdgpu_ring { struct drm_gpu_scheduler sched; struct amdgpu_bo *ring_obj; - volatile uint32_t *ring; + uint32_t *ring; + /* backups for resets */ + uint32_t *ring_backup; + unsigned int ring_backup_entries_to_copy; unsigned rptr_offs; + u64 rptr_gpu_addr; + u32 *rptr_cpu_addr; + + /** + * @wptr: + * + * This is part of the Ring buffer implementation and represents the + * write pointer. The wptr determines where the host has written. + */ u64 wptr; + + /** + * @wptr_old: + * + * Before update wptr with the new value, usually the old value is + * stored in the wptr_old. + */ u64 wptr_old; unsigned ring_size; + + /** + * @max_dw: + * + * Maximum number of DWords for ring allocation. This information is + * provided at the ring initialization time, and each IP block can + * specify a specific value. Check places that invoke + * amdgpu_ring_init() to see the maximum size per block. + */ unsigned max_dw; + + /** + * @count_dw: + * + * This value starts with the maximum amount of DWords supported by the + * ring. This value is updated based on the ring manipulation. + */ int count_dw; uint64_t gpu_addr; + + /** + * @ptr_mask: + * + * Some IPs provide support for 64-bit pointers and others for 32-bit + * only; this behavior is component-specific and defined by the field + * support_64bit_ptr. If the IP block supports 64-bits, the mask + * 0xffffffffffffffff is set; otherwise, this value assumes buf_mask. + * Notice that this field is used to keep wptr under a valid range. + */ uint64_t ptr_mask; + + /** + * @buf_mask: + * + * Buffer mask is a value used to keep wptr count under its + * thresholding. Buffer mask initialized during the ring buffer + * initialization time, and it is defined as (ring_size / 4) -1. + */ 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; + + /** + * @wptr_cpu_addr: + * + * This is the CPU address pointer in the writeback slot. This is used + * to commit changes to the GPU. + */ + u32 *wptr_cpu_addr; unsigned fence_offs; + u64 fence_gpu_addr; + u32 *fence_cpu_addr; uint64_t current_ctx; char name[16]; + u32 trail_seq; + unsigned trail_fence_offs; + u64 trail_fence_gpu_addr; + u32 *trail_fence_cpu_addr; unsigned cond_exe_offs; u64 cond_exe_gpu_addr; - volatile u32 *cond_exe_cpu_addr; + u32 *cond_exe_cpu_addr; + unsigned int set_q_mode_offs; + u32 *set_q_mode_ptr; + u64 set_q_mode_token; + unsigned vm_hub; unsigned vm_inv_eng; struct dma_fence *vmid_wait; bool has_compute_vm_bug; + bool no_scheduler; + bool no_user_submission; + int hw_prio; + unsigned num_hw_submission; + atomic_t *sched_score; - atomic_t num_jobs[DRM_SCHED_PRIORITY_MAX]; - struct mutex priority_mutex; - /* protected by priority_mutex */ - int priority; - -#if defined(CONFIG_DEBUG_FS) - struct dentry *ent; -#endif + bool is_sw_ring; + unsigned int entry_index; + /* store the cached rptr to restore after reset */ + uint64_t cached_rptr; }; -#define amdgpu_ring_parse_cs(r, p, ib) ((r)->funcs->parse_cs((p), (ib))) -#define amdgpu_ring_patch_cs_in_place(r, p, ib) ((r)->funcs->patch_cs_in_place((p), (ib))) +#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), (t)) +#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, c) ((r)->funcs->emit_ib((r), (job), (ib), (c))) +#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)) @@ -237,27 +435,36 @@ struct amdgpu_ring { #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_rreg(r, d) (r)->funcs->emit_rreg((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_tmz(r, b) (r)->funcs->emit_tmz((r), (b)) +#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_init_cond_exec(r, a) (r)->funcs->init_cond_exec((r), (a)) +#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))) +#define amdgpu_ring_reset(r, v, f) (r)->funcs->reset((r), (v), (f)) +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); -void amdgpu_ring_priority_get(struct amdgpu_ring *ring, - enum drm_sched_priority priority); -void amdgpu_ring_priority_put(struct amdgpu_ring *ring, - enum drm_sched_priority priority); int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring, - unsigned ring_size, struct amdgpu_irq_src *irq_src, - unsigned irq_type); + 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, @@ -265,18 +472,19 @@ void amdgpu_ring_emit_reg_write_reg_wait_helper(struct amdgpu_ring *ring, bool amdgpu_ring_soft_recovery(struct amdgpu_ring *ring, unsigned int vmid, struct dma_fence *fence); -static inline void amdgpu_ring_clear_ring(struct amdgpu_ring *ring) +static inline void amdgpu_ring_set_preempt_cond_exec(struct amdgpu_ring *ring, + bool cond_exec) { - int i = 0; - while (i <= ring->buf_mask) - ring->ring[i++] = ring->funcs->nop; + *ring->cond_exe_cpu_addr = cond_exec; +} +static inline void amdgpu_ring_clear_ring(struct amdgpu_ring *ring) +{ + memset32(ring->ring, ring->funcs->nop, ring->buf_mask + 1); } 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--; @@ -286,26 +494,20 @@ 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; + chunk1 = (chunk1 >= count_dw) ? count_dw : chunk1; chunk2 = count_dw - chunk1; chunk1 <<= 2; chunk2 <<= 2; if (chunk1) - memcpy(dst, src, chunk1); + memcpy(&ring->ring[occupied], src, chunk1); if (chunk2) { src += chunk1; - dst = (void *)ring->ring; - memcpy(dst, src, chunk2); + memcpy(ring->ring, src, chunk2); } ring->wptr += count_dw; @@ -313,6 +515,66 @@ static inline void amdgpu_ring_write_multiple(struct amdgpu_ring *ring, ring->count_dw -= count_dw; } +/** + * amdgpu_ring_patch_cond_exec - patch dw count of conditional execute + * @ring: amdgpu_ring structure + * @offset: offset returned by amdgpu_ring_init_cond_exec + * + * Calculate the dw count and patch it into a cond_exec command. + */ +static inline void amdgpu_ring_patch_cond_exec(struct amdgpu_ring *ring, + unsigned int offset) +{ + unsigned cur; + + if (!ring->funcs->init_cond_exec) + return; + + WARN_ON(offset > ring->buf_mask); + WARN_ON(ring->ring[offset] != 0); + + cur = (ring->wptr - 1) & ring->buf_mask; + if (cur < offset) + cur += ring->ring_size >> 2; + ring->ring[offset] = cur - offset; +} + 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_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); +bool amdgpu_ring_sched_ready(struct amdgpu_ring *ring); +void amdgpu_ring_backup_unprocessed_commands(struct amdgpu_ring *ring, + struct amdgpu_fence *guilty_fence); +void amdgpu_ring_reset_helper_begin(struct amdgpu_ring *ring, + struct amdgpu_fence *guilty_fence); +int amdgpu_ring_reset_helper_end(struct amdgpu_ring *ring, + struct amdgpu_fence *guilty_fence); +bool amdgpu_ring_is_reset_type_supported(struct amdgpu_ring *ring, + u32 reset_type); #endif |