Commit 284dec43 authored by Christian König's avatar Christian König Committed by Alex Deucher
Browse files

drm/amdgpu: enable GTT PD/PT for raven v3 



Should work on Vega10 as well, but with an obvious performance hit.

Older APUs can be enabled as well, but will probably be more work.

v2: fix error checking
v3: use more general check

Signed-off-by: default avatarChristian König <christian.koenig@amd.com>
Acked-by: default avatarAndrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 24a8d289

drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c

+13 −1
Original line number Diff line number Diff line
@@ -342,6 +342,9 @@ int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm, 
			list_move(&bo_base->vm_status, &vm->moved);

			spin_unlock(&vm->moved_lock);

		} else {

			r = amdgpu_ttm_alloc_gart(&bo->tbo);

			if (r)

				break;

			list_move(&bo_base->vm_status, &vm->relocated);

		}

	}
@@ -417,6 +420,10 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev, 
	if (r)

		goto error;



	r = amdgpu_ttm_alloc_gart(&bo->tbo);

	if (r)

		return r;



	r = amdgpu_job_alloc_with_ib(adev, 64, &job);

	if (r)

		goto error;
@@ -482,7 +489,12 @@ static void amdgpu_vm_bo_param(struct amdgpu_device *adev, struct amdgpu_vm *vm, 
	bp->size = amdgpu_vm_bo_size(adev, level);

	bp->byte_align = AMDGPU_GPU_PAGE_SIZE;

	bp->domain = AMDGPU_GEM_DOMAIN_VRAM;

	bp->flags = AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;

	if (bp->size <= PAGE_SIZE && adev->asic_type >= CHIP_VEGA10 &&

	    adev->flags & AMD_IS_APU)

		bp->domain |= AMDGPU_GEM_DOMAIN_GTT;

	bp->domain = amdgpu_bo_get_preferred_pin_domain(adev, bp->domain);

	bp->flags = AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS |

		AMDGPU_GEM_CREATE_CPU_GTT_USWC;

	if (vm->use_cpu_for_update)

		bp->flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;

	else

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