Messages in this thread Patch in this message | | | From | hongao <> | Subject | [PATCH] drm/amdgpu/gmc6: fix in case the PCI BAR is larger than the actual amount of vram | Date | Tue, 15 Aug 2023 14:54:45 +0800 |
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[why] limit visible_vram_size to real_vram_size in case the PCI BAR is larger than the actual amount of vram.
Signed-off-by: hongao <hongao@uniontech.com> --- drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c index b7dad4e67813..c0de7496bfd1 100644 --- a/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c +++ b/drivers/gpu/drm/amd/amdgpu/gmc_v6_0.c @@ -320,6 +320,8 @@ static int gmc_v6_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); adev->gmc.visible_vram_size = adev->gmc.aper_size; + if (adev->gmc.visible_vram_size > adev->gmc.real_vram_size) + adev->gmc.visible_vram_size = adev->gmc.real_vram_size; /* set the gart size */ if (amdgpu_gart_size == -1) { -- 2.20.1
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