diff options
| author | Alex Deucher <alexander.deucher@amd.com> | 2024-05-24 10:49:33 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2024-08-13 10:27:59 -0400 |
| commit | c30fb344a2f7fb5d553e98577185d9f8147598e2 (patch) | |
| tree | e653a0966449d170572a7e9d950715f984d3c5c4 | |
| parent | c6b86421f1f9ddf9d706f2453159813ee39d0cf9 (diff) | |
drm/amdgpu/mes: add API for legacy queue reset
Add API for resetting kernel queues.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c | 24 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h | 16 |
2 files changed, 40 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c index 1b1e94b5b977..b2a9df202913 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.c @@ -819,6 +819,30 @@ int amdgpu_mes_unmap_legacy_queue(struct amdgpu_device *adev, return r; } +int amdgpu_mes_reset_legacy_queue(struct amdgpu_device *adev, + struct amdgpu_ring *ring, + unsigned int vmid) +{ + struct mes_reset_legacy_queue_input queue_input; + int r; + + memset(&queue_input, 0, sizeof(queue_input)); + + queue_input.queue_type = ring->funcs->type; + queue_input.doorbell_offset = ring->doorbell_index; + queue_input.pipe_id = ring->pipe; + queue_input.queue_id = ring->queue; + queue_input.mqd_addr = amdgpu_bo_gpu_offset(ring->mqd_obj); + queue_input.wptr_addr = ring->wptr_gpu_addr; + queue_input.vmid = vmid; + + r = adev->mes.funcs->reset_legacy_queue(&adev->mes, &queue_input); + if (r) + DRM_ERROR("failed to reset legacy queue\n"); + + return r; +} + uint32_t amdgpu_mes_rreg(struct amdgpu_device *adev, uint32_t reg) { struct mes_misc_op_input op_input; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h index 2d659c612f03..174283a0fc07 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mes.h @@ -279,6 +279,16 @@ struct mes_resume_gang_input { uint64_t gang_context_addr; }; +struct mes_reset_legacy_queue_input { + uint32_t queue_type; + uint32_t doorbell_offset; + uint32_t pipe_id; + uint32_t queue_id; + uint64_t mqd_addr; + uint64_t wptr_addr; + uint32_t vmid; +}; + enum mes_misc_opcode { MES_MISC_OP_WRITE_REG, MES_MISC_OP_READ_REG, @@ -347,6 +357,9 @@ struct amdgpu_mes_funcs { int (*misc_op)(struct amdgpu_mes *mes, struct mes_misc_op_input *input); + + int (*reset_legacy_queue)(struct amdgpu_mes *mes, + struct mes_reset_legacy_queue_input *input); }; #define amdgpu_mes_kiq_hw_init(adev) (adev)->mes.kiq_hw_init((adev)) @@ -381,6 +394,9 @@ int amdgpu_mes_unmap_legacy_queue(struct amdgpu_device *adev, struct amdgpu_ring *ring, enum amdgpu_unmap_queues_action action, u64 gpu_addr, u64 seq); +int amdgpu_mes_reset_legacy_queue(struct amdgpu_device *adev, + struct amdgpu_ring *ring, + unsigned int vmid); uint32_t amdgpu_mes_rreg(struct amdgpu_device *adev, uint32_t reg); int amdgpu_mes_wreg(struct amdgpu_device *adev, |