The SRIOV host driver cleans framebuffer for each VF, guest driver needn't this action which costs much time on some virtualization platform, otherwise it might get timeout to initialize. Signed-off-by: Pixel Ding <Pixel.Ding at amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c index 1e735c4..f1eb4f5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c @@ -242,7 +242,9 @@ static int amdgpufb_create(struct drm_fb_helper *helper, /* setup helper */ rfbdev->helper.fb = fb; - memset_io(abo->kptr, 0x0, amdgpu_bo_size(abo)); + if (!amdgpu_sriov_vf(adev)) { + memset_io(abo->kptr, 0x0, amdgpu_bo_size(abo)); + } strcpy(info->fix.id, "amdgpudrmfb"); -- 2.7.4