This is a note to let you know that I've just added the patch titled
drm/amdgpu/vcn: reset fw_shared under SRIOV
to the 6.12-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-vcn-reset-fw_shared-under-sriov.patch
and it can be found in the queue-6.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 69f6ebe838f831352a737b5d6a59f765143b49a4
Author: Bokun Zhang <bokun.zhang@xxxxxxx>
Date: Wed Dec 11 15:42:56 2024 -0600
drm/amdgpu/vcn: reset fw_shared under SRIOV
[ Upstream commit 3676f37a88432132bcff55a17dc48911239b6d98 ]
- The previous patch only considered the case for baremetal
and is not applicable for SRIOV code path. We also need to
init fw_share for SRIOV VF
Fixes: 928cd772e18f ("drm/amdgpu/vcn: reset fw_shared when VCPU buffers corrupted on vcn v4.0.3")
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Bokun Zhang <bokun.zhang@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
index 6fca2915ea8fd..84c6b0f5c4c0b 100644
--- a/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
+++ b/drivers/gpu/drm/amd/amdgpu/vcn_v4_0_3.c
@@ -943,6 +943,8 @@ static int vcn_v4_0_3_start_sriov(struct amdgpu_device *adev)
for (i = 0; i < adev->vcn.num_vcn_inst; i++) {
vcn_inst = GET_INST(VCN, i);
+ vcn_v4_0_3_fw_shared_init(adev, vcn_inst);
+
memset(&header, 0, sizeof(struct mmsch_v4_0_3_init_header));
header.version = MMSCH_VERSION;
header.total_size = sizeof(struct mmsch_v4_0_3_init_header) >> 2;
