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authorDavid (Ming Qiang) Wu <David.Wu3@amd.com>2023-09-14 23:34:08 +0300
committerAlex Deucher <alexander.deucher@amd.com>2023-09-27 00:00:23 +0300
commitfa1f1cc09d588a90c8ce3f507c47df257461d148 (patch)
tree606f49a986d802f7a16149f53c69bd6aee246d0c /drivers
parent9ed630c5c4b3d3d6e333ae629c1a9c4be6745f74 (diff)
downloadlinux-fa1f1cc09d588a90c8ce3f507c47df257461d148.tar.xz
drm/amdgpu: not to save bo in the case of RAS err_event_athub
err_event_athub will corrupt VCPU buffer and not good to be restored in amdgpu_vcn_resume() and in this case the VCPU buffer needs to be cleared for VCN firmware to work properly. Acked-by: Leo Liu <leo.liu@amd.com> Signed-off-by: David (Ming Qiang) Wu <David.Wu3@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
index c93f3a4c0e31..f4963330c772 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vcn.c
@@ -294,8 +294,15 @@ int amdgpu_vcn_suspend(struct amdgpu_device *adev)
void *ptr;
int i, idx;
+ bool in_ras_intr = amdgpu_ras_intr_triggered();
+
cancel_delayed_work_sync(&adev->vcn.idle_work);
+ /* err_event_athub will corrupt VCPU buffer, so we need to
+ * restore fw data and clear buffer in amdgpu_vcn_resume() */
+ if (in_ras_intr)
+ return 0;
+
for (i = 0; i < adev->vcn.num_vcn_inst; ++i) {
if (adev->vcn.harvest_config & (1 << i))
continue;