Commit 218c0b7f authored Mar 02, 2020 by Christian König Committed by Alex Deucher Apr 28, 2020

drm/amdgpu: stop evicting encrypted BOs to swap



Swapping out encrypted BOs doesn't work because they can't change
their physical location without going through a bounce copy.

As a workaround disable evicting encrypted BOs to the system
domain for now.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Tested-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent effb97cc

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

+3 −0

Original line number	Diff line number	Diff line
		@@ -1550,6 +1550,9 @@ static bool amdgpu_ttm_bo_eviction_valuable(struct ttm_buffer_object *bo,

		switch (bo->mem.mem_type) {
		case TTM_PL_TT:
		if (amdgpu_bo_is_amdgpu_bo(bo) &&
		amdgpu_bo_encrypted(ttm_to_amdgpu_bo(bo)))
		return false;
		return true;

		case TTM_PL_VRAM:

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