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drm/amdgpu: all vram is visible for APU (v2)
authorChunming Zhou <david1.zhou@amd.com>
Wed, 17 Jan 2018 08:51:16 +0000 (16:51 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 19 Feb 2018 19:17:57 +0000 (14:17 -0500)
missed in gmc9.

v2: squash in build fix (Rex)

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

index f049c84..830cf8f 100644 (file)
@@ -729,6 +729,12 @@ static int gmc_v9_0_mc_init(struct amdgpu_device *adev)
        adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
        adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
 
+#ifdef CONFIG_X86_64
+       if (adev->flags & AMD_IS_APU) {
+               adev->gmc.aper_base = gfxhub_v1_0_get_mc_fb_offset(adev);
+               adev->gmc.aper_size = adev->gmc.real_vram_size;
+       }
+#endif
        /* In case the PCI BAR is larger than the actual amount of vram */
        adev->gmc.visible_vram_size = adev->gmc.aper_size;
        if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size)