For VCE to work properly the start of the GTT space must be aligned to a 4GB boundary. Signed-off-by: Christian König <christian.koenig at amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index f9bee76e7071..bbaab31218a8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -622,7 +622,7 @@ void amdgpu_gart_location(struct amdgpu_device *adev, struct amdgpu_mc *mc) dev_warn(adev->dev, "limiting GTT\n"); mc->gart_size = size_af; } - mc->gart_start = mc->vram_end + 1; + mc->gart_start = ALIGN(mc->vram_end + 1, 0x100000000ULL); } mc->gart_end = mc->gart_start + mc->gart_size - 1; dev_info(adev->dev, "GTT: %lluM 0x%016llX - 0x%016llX\n", -- 2.11.0