drm/amdgpu/gmc: use PCI BARs for APUs in passthrough

[mirror_ubuntu-jammy-kernel.git] / drivers / gpu / drm / amd / amdgpu / gmc_v10_0.c

diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
index 3c01be6610144856d95b91b6ceaf297b7a6a91a3..93a4da4284ede07855ede90bcda33eaa24e663f1 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v10_0.c
@@ -788,7 +788,7 @@ static int gmc_v10_0_mc_init(struct amdgpu_device *adev)
        adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
 
 #ifdef CONFIG_X86_64
-       if (adev->flags & AMD_IS_APU) {
+       if ((adev->flags & AMD_IS_APU) && !amdgpu_passthrough(adev)) {
                adev->gmc.aper_base = adev->gfxhub.funcs->get_mc_fb_offset(adev);
                adev->gmc.aper_size = adev->gmc.real_vram_size;
        }