missed in gmc9. Change-Id: I710044595454338edd770092100f13d6f46cb0fe Signed-off-by: Chunming Zhou <david1.zhou at amd.com> --- drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c index 7ec54c23c07d..995db2309f38 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c @@ -728,6 +728,12 @@ static int gmc_v9_0_mc_init(struct amdgpu_device *adev) adev->mc.aper_base = pci_resource_start(adev->pdev, 0); adev->mc.aper_size = pci_resource_len(adev->pdev, 0); +#ifdef CONFIG_X86_64 + if (adev->flags & AMD_IS_APU) { + adev->mc.aper_base = gfxhub_v1_0_get_mc_fb_offset(adev); + adev->mc.aper_size = adev->mc.real_vram_size; + } +#endif /* In case the PCI BAR is larger than the actual amount of vram */ adev->mc.visible_vram_size = adev->mc.aper_size; if (adev->mc.visible_vram_size > adev->mc.real_vram_size) -- 2.14.1