Am 17.01.2018 um 09:53 schrieb Chunming Zhou:
missed in gmc9.
Change-Id: I710044595454338edd770092100f13d6f46cb0fe
Signed-off-by: Chunming Zhou <[email protected]>
Reviewed-by: Christian König <[email protected]>
---
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)
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