Needed to avoid a hardware issue.
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
---
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
