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drm/amdgpu: all vram is visible for APU (v2)
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>
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1 changed files with 6 additions and 0 deletions
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@ -729,6 +729,12 @@ static int gmc_v9_0_mc_init(struct amdgpu_device *adev)
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adev->gmc.aper_base = pci_resource_start(adev->pdev, 0);
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adev->gmc.aper_size = pci_resource_len(adev->pdev, 0);
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#ifdef CONFIG_X86_64
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if (adev->flags & AMD_IS_APU) {
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adev->gmc.aper_base = gfxhub_v1_0_get_mc_fb_offset(adev);
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adev->gmc.aper_size = adev->gmc.real_vram_size;
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}
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#endif
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/* In case the PCI BAR is larger than the actual amount of vram */
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adev->gmc.visible_vram_size = adev->gmc.aper_size;
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if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size)
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