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> struct amdgpu_bo *abo = ttm_to_amdgpu_bo(bo); > + struct amdgpu_ttm_buffer_entity *entity; > struct amdgpu_copy_mem src, dst; > struct dma_fence *fence = NULL; > int r; > @@ -412,8 +413,12 @@ static int amdgpu_move_blit(struct ttm_buffer_object *bo, > src.offset = 0; > dst.offset = 0; > > + int e = atomic_inc_return(&adev->mman.next_move_entity) % > + adev->mman.num_move_entities; > + entity = &adev->mman.move_entities[e]; Similar to clears this could be a sepatate function, but not a must have. Reviewed-by: Christian König either way. Regards, Christian. > + > r = amdgpu_ttm_copy_mem_to_mem(adev, > - &adev->mman.move_entities[0], > + entity, > &src, &dst, > new_mem->size, > amdgpu_bo_encrypted(abo), > @@ -426,7 +431,7 @@ static int amdgpu_move_blit(struct ttm_buffer_object *bo, > (abo->flags & AMDGPU_GEM_CREATE_VRAM_WIPE_ON_RELEASE)) { > struct dma_fence *wipe_fence = NULL; > > - r = amdgpu_fill_buffer(&adev->mman.move_entities[0], > + r = amdgpu_fill_buffer(entity, > abo, 0, NULL, &wipe_fence, fence, > AMDGPU_KERNEL_JOB_ID_MOVE_BLIT); > if (r) { > @@ -2179,7 +2184,8 @@ u32 amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev, bool enable) > struct ttm_resource_manager *man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM); > uint64_t size; > int r, i, j; > - u32 num_clear_entities, num_move_entities, windows, w; > + u32 num_clear_entities, num_move_entities; > + u32 windows, w; > > num_clear_entities = adev->sdma.num_instances; > num_move_entities = MIN(adev->sdma.num_instances, TTM_NUM_MOVE_FENCES); > @@ -2205,6 +2211,7 @@ u32 amdgpu_ttm_set_buffer_funcs_status(struct amdgpu_device *adev, bool enable) > } > > adev->mman.num_move_entities = num_move_entities; > + atomic_set(&adev->mman.next_move_entity, 0); > for (i = 0; i < num_move_entities; i++) { > r = drm_sched_entity_init(&adev->mman.move_entities[i].base, > DRM_SCHED_PRIORITY_NORMAL, &sched, > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h > index 781b0bdca56c..4844f001f590 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.h > @@ -76,6 +76,7 @@ struct amdgpu_mman { > atomic_t next_clear_entity; > u32 num_clear_entities; > struct amdgpu_ttm_buffer_entity move_entities[TTM_NUM_MOVE_FENCES]; > + atomic_t next_move_entity; > u32 num_move_entities; > > struct amdgpu_vram_mgr vram_mgr;