Needed to avoid a hardware issue. Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c index e1f47f9c1881..6947b598e9b2 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v11_0.c @@ -740,6 +740,12 @@ static int gmc_v11_0_mc_init(struct amdgpu_device *adev) else adev->gmc.gart_size = (u64)amdgpu_gart_size << 20; + /* force GART to avoid a hw issue in GC11 */ + if (adev->flags & AMD_IS_APU) + adev->gmc.gart_placement = AMDGPU_GART_PLACEMENT_LOW; + else + adev->gmc.gart_placement = AMDGPU_GART_PLACEMENT_HIGH; + gmc_v11_0_vram_gtt_location(adev, &adev->gmc); return 0; -- 2.41.0
