Commit cace5dce authored by Alex Deucher's avatar Alex Deucher
Browse files

drm/amdgpu: use top down allocation for non-CPU accessible vram 



Should help avoid fragmentation of vram due to CPU access
requirements.

Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 857d913d

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

+1 −1
Original line number Diff line number Diff line
@@ -127,7 +127,7 @@ static void amdgpu_ttm_placement_init(struct amdgpu_device *adev, 
			placements[c].fpfn =

				adev->mc.visible_vram_size >> PAGE_SHIFT;

			placements[c++].flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED |

				TTM_PL_FLAG_VRAM;

				TTM_PL_FLAG_VRAM | TTM_PL_FLAG_TOPDOWN;

		}

		placements[c].fpfn = 0;

		placements[c++].flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED |

CRA Git | Maintained and supported by SUSTech CRA and CCSE