drm/amdgpu: only uncorrectable error needs gpu reset
authorTao Zhou <tao.zhou1@amd.com>
Thu, 1 Aug 2019 04:52:54 +0000 (12:52 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 2 Aug 2019 15:30:38 +0000 (10:30 -0500)
we only read error information for correctable error in interrupt
handler, gpu reset is unnecessary since there is no data lost
in correctable error

Signed-off-by: Tao Zhou <tao.zhou1@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdgpu/gmc_v9_0.c

index c7647c6..a357552 100644 (file)
@@ -254,7 +254,11 @@ static int gmc_v9_0_process_ras_data_cb(struct amdgpu_device *adev,
         */
        if (adev->umc.funcs->query_ras_error_address)
                adev->umc.funcs->query_ras_error_address(adev, err_data);
-       amdgpu_ras_reset_gpu(adev, 0);
+
+       /* only uncorrectable error needs gpu reset */
+       if (err_data->ue_count)
+               amdgpu_ras_reset_gpu(adev, 0);
+
        return AMDGPU_RAS_UE;
 }