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drm/amdgpu/vcn: during dpc recovery will corrupt VCPU buffer

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err_event_athub and dpc recovery will corrupt VCPU buffer,
so we need to restore fw data and clear buffer in amdgpu_vcn_resume()

Signed-off-by: Ce Sun <cesun102@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ce Sun
2025-04-07 15:18:31 -04:00
committed by Alex Deucher
parent 8ba904f541
commit 969fd18c8d
1 changed files with 2 additions and 2 deletions
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drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+2 -2
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@@ -353,9 +353,9 @@ int amdgpu_vcn_suspend(struct amdgpu_device *adev, int i)
cancel_delayed_work_sync(&adev->vcn.inst[i].idle_work);
/* err_event_athub will corrupt VCPU buffer, so we need to
/* err_event_athub and dpc recovery will corrupt VCPU buffer, so we need to
* restore fw data and clear buffer in amdgpu_vcn_resume() */
if (in_ras_intr)
if (in_ras_intr || adev->pcie_reset_ctx.in_link_reset)
return 0;
return amdgpu_vcn_save_vcpu_bo_inst(adev, i);