This is a note to let you know that I've just added the patch titled
drm/amdgpu: avoid reading vf2pf info size from FB
to the 5.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amdgpu-avoid-reading-vf2pf-info-size-from-fb.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 670d69f58b64b7793a2be9814f9d53d60ba80f3d
Author: Zhigang Luo <Zhigang.Luo@xxxxxxx>
Date: Tue Apr 16 16:35:14 2024 -0400
drm/amdgpu: avoid reading vf2pf info size from FB
[ Upstream commit 3bcc0ee14768d886cedff65da72d83d375a31a56 ]
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.Luo@xxxxxxx>
Reviewed-by: Hawking Zhang <Hawking.Zhang@xxxxxxx>
Reviewed-by: Lijo Lazar <lijo.lazar@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
index bd53844a8ba4..ca4c915e3a6c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_virt.c
@@ -552,7 +552,7 @@ 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(*vf2pf_info), 0, 0);
return 0;
}
