Commit 9dc5a91e authored Nov 17, 2016 by Alex Deucher

drm/amdgpu: put gtt at 0 in the internal address space



There still seem to be some blocks that make accesses
in the lower part of the address space.  This works around
this.

Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

parent dc3abc16

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

+1 −1

Original line number	Diff line number	Diff line
		@@ -602,7 +602,7 @@ void amdgpu_gtt_location(struct amdgpu_device adev, struct amdgpu_mc mc)
		dev_warn(adev->dev, "limiting GTT\n");
		mc->gtt_size = size_bf;
		}
		mc->gtt_start = (mc->vram_start & ~mc->gtt_base_align) - mc->gtt_size;
		mc->gtt_start = 0;
		} else {
		if (mc->gtt_size > size_af) {
		dev_warn(adev->dev, "limiting GTT\n");