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path: root/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
index 344d819b4c1b..979da6f510e8 100644
--- a/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gmc_v7_0.c
@@ -381,8 +381,9 @@ static int gmc_v7_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 &&
- adev->gmc.real_vram_size > adev->gmc.aper_size) {
+ if ((adev->flags & AMD_IS_APU) &&
+ adev->gmc.real_vram_size > adev->gmc.aper_size &&
+ !amdgpu_passthrough(adev)) {
adev->gmc.aper_base = ((u64)RREG32(mmMC_VM_FB_OFFSET)) << 22;
adev->gmc.aper_size = adev->gmc.real_vram_size;
}