From: Christian König <christian.koenig@xxxxxxx> commit 5a67c31669a3aca814a99428328d2be40d82b333 upstream. That is just a waste of time on APUs. Closes: https://gitlab.freedesktop.org/drm/amd/-/issues/3704 Fixes: 216c1282dde3 ("drm/amdgpu: use GTT only as fallback for VRAM|GTT") Reviewed-by: Alex Deucher <alexander.deucher@xxxxxxx> Signed-off-by: Christian König <christian.koenig@xxxxxxx> Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx> (cherry picked from commit e8fc090d322346e5ce4c4cfe03a8100e31f61c3c) Cc: stable@xxxxxxxxxxxxxxx Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c @@ -180,7 +180,8 @@ void amdgpu_bo_placement_from_domain(str * When GTT is just an alternative to VRAM make sure that we * only use it as fallback and still try to fill up VRAM first. */ - if (domain & abo->preferred_domains & AMDGPU_GEM_DOMAIN_VRAM) + if (domain & abo->preferred_domains & AMDGPU_GEM_DOMAIN_VRAM && + !(adev->flags & AMD_IS_APU)) places[c].flags |= TTM_PL_FLAG_FALLBACK; c++; } Patches currently in stable-queue which might be from christian.koenig@xxxxxxx are queue-6.11/drm-amdgpu-fix-check-in-gmc_v9_0_get_vm_pte.patch queue-6.11/drm-amdgpu-enable-gtt-fallback-handling-for-dgpus-only.patch