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

[Deucher, Alexander]

[AMD Official Use Only]

Acked-by: Alex Deucher <alexander.deucher at amd.com>
________________________________
From: Christian König <ckoenig.leichtzumerken at gmail.com>
Sent: Thursday, September 30, 2021 6:00 AM
To: Deucher, Alexander <Alexander.Deucher at amd.com>; amd-gfx at lists.freedesktop.org <amd-gfx at lists.freedesktop.org>
Subject: [PATCH] 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 at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 4d34b2da8582..8ee5bbc19f62 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -3346,6 +3346,8 @@ 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);
                         }
--
2.25.1

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