From: pding <Pixel.Ding@xxxxxxx> It introduces 900ms latency in exclusive mode which causes failure of driver loading. Host can resize the BAR before guest staring, so the resizing is not necessary here. Signed-off-by: pding <Pixel.Ding at amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 6f01dda..bf2b008 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -768,6 +768,10 @@ int amdgpu_device_resize_fb_bar(struct amdgpu_device *adev) u16 cmd; int r; + /* Bypass for VF */ + if (amdgpu_sriov_vf(adev)) + return 0; + /* Disable memory decoding while we change the BAR addresses and size */ pci_read_config_word(adev->pdev, PCI_COMMAND, &cmd); pci_write_config_word(adev->pdev, PCI_COMMAND, -- 2.9.5
