To decrease VRAM pressure for APUs, put page tables to GTT domain for gfx10 and newer APUs. v2: only enable it for gfx10 and newer APUs (Alex, Christian) Signed-off-by: Yifan Zhang <yifan1.zhang@xxxxxxx> --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c index 96d601e209b8..4603d87c61a0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_pt.c @@ -515,10 +515,13 @@ int amdgpu_vm_pt_create(struct amdgpu_device *adev, struct amdgpu_vm *vm, bp.size = amdgpu_vm_pt_size(adev, level); bp.byte_align = AMDGPU_GPU_PAGE_SIZE; - if (!adev->gmc.is_app_apu) - bp.domain = AMDGPU_GEM_DOMAIN_VRAM; - else + if (adev->gmc.is_app_apu || + ((adev->flags & AMD_IS_APU) && + (adev->ip_versions[GC_HWIP][0] >= IP_VERSION(10, 3, 3)))) bp.domain = AMDGPU_GEM_DOMAIN_GTT; + else + bp.domain = AMDGPU_GEM_DOMAIN_VRAM; + bp.domain = amdgpu_bo_get_preferred_domain(adev, bp.domain); bp.flags = AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS | -- 2.37.3
