VF can't access FB when host is doing mode1 reset. Using sizeof to get vf2pf info size, instead of reading it from vf2pf header stored in FB.
Signed-off-by: Zhigang Luo <zhigang....@amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c index 54ab51a4ada7..c84d2217005e 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c @@ -583,7 +583,7 @@ static int amdgpu_virt_write_vf2pf_data(struct amdgpu_device *adev) } vf2pf_info->checksum = amd_sriov_msg_checksum( - vf2pf_info, vf2pf_info->header.size, 0, 0); + vf2pf_info, sizeof(struct amd_sriov_msg_vf2pf_info), 0, 0); return 0; } -- 2.25.1