drm/amdgpu: print warning and taint kernel if lockup timeout is disabled

Make sure that we notice this in error reports.

Signed-off-by: Christian König <christian.koenig@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 0207b25..b5f7272 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3324,6 +3324,8 @@ static int amdgpu_device_get_job_timeout_settings(struct amdgpu_device *adev)
                                continue;
                        } else if (timeout < 0) {
                                timeout = MAX_SCHEDULE_TIMEOUT;
+                               dev_warn(adev->dev, "lockup timeout disabled");
+                               add_taint(TAINT_SOFTLOCKUP, LOCKDEP_STILL_OK);
                        } else {
                                timeout = msecs_to_jiffies(timeout);
                        }