From 969fd18c8d2491d9599176a9cca7e386f823144e Mon Sep 17 00:00:00 2001 From: Ce Sun Date: Tue, 31 Dec 2024 12:53:13 +0800 Subject: [PATCH 2938/5403] drm/amdgpu/vcn: during dpc recovery will corrupt VCPU buffer 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 Reviewed-by: Hawking Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c index 1991dd3d1056..c8885c3d54b3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c @@ -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); -- 2.54.0