diff options
| author | Nirmoy Das <nirmoy.das@intel.com> | 2024-10-16 10:23:04 +0200 |
|---|---|---|
| committer | Nirmoy Das <nirmoy.das@intel.com> | 2024-10-18 17:36:44 +0200 |
| commit | 66426bf9e2c930683a883f82d5a471a778282569 (patch) | |
| tree | d4480a849676329e4d478ed9663577679ee5c4cb | |
| parent | 9408c4508483ffc60811e910a93d6425b8e63928 (diff) | |
drm/xe/ufence: Warn if mmget_not_zero() fails
This shouldn't happen but seen this while debugging ufence timeout
issue time to time so log it to isolate this particular case.
v2: s/XE_WARN_ON/drm_dbg(Maarten)
Link: https://gitlab.freedesktop.org/drm/xe/kernel/-/issues/1630
Cc: Francois Dugast <francois.dugast@intel.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Cc: Matthew Auld <matthew.auld@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Francois Dugast <francois.dugast@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241016082304.66009-3-nirmoy.das@intel.com
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
| -rw-r--r-- | drivers/gpu/drm/xe/xe_sync.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/xe/xe_sync.c b/drivers/gpu/drm/xe/xe_sync.c index 2e72c06fd40d..a90480c6aecf 100644 --- a/drivers/gpu/drm/xe/xe_sync.c +++ b/drivers/gpu/drm/xe/xe_sync.c @@ -83,6 +83,8 @@ static void user_fence_worker(struct work_struct *w) XE_WARN_ON("Copy to user failed"); kthread_unuse_mm(ufence->mm); mmput(ufence->mm); + } else { + drm_dbg(&ufence->xe->drm, "mmget_not_zero() failed, ufence wasn't signaled\n"); } wake_up_all(&ufence->xe->ufence_wq); |