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| author | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2024-01-11 21:56:03 +0300 |
|---|---|---|
| committer | Michal Wajdeczko <michal.wajdeczko@intel.com> | 2024-01-12 13:53:05 +0300 |
| commit | 1113e52ffee7b45def230d10edb1f2924c7b3f9e (patch) | |
| tree | ee17b4b7dff644aeed6e09854c8f05fdcd862015 /drivers/gpu/drm/xe/xe_migrate.c | |
| parent | 33ff1f21bd2fb69620d5ffc7afccf74cbc403097 (diff) | |
| download | linux-1113e52ffee7b45def230d10edb1f2924c7b3f9e.tar.xz | |
drm/xe: Fix potential deadlock in __fini_dbm
If Doorbell Manager is in unclean state during fini phase, for
debug purposes we try to print it's state, but we missed the fact
that we are already holding a lock so the xe_guc_db_mgr_print()
will deadlock since it also attempts to grab the same lock.
Fixes: 587c73343ac7 ("drm/xe: Introduce GuC Doorbells Manager")
Cc: Piotr Piórkowski <piotr.piorkowski@intel.com>
Reviewed-by: Piotr Piórkowski <piotr.piorkowski@intel.com>
Link: https://lore.kernel.org/r/20240111185603.673-1-michal.wajdeczko@intel.com
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Diffstat (limited to 'drivers/gpu/drm/xe/xe_migrate.c')
0 files changed, 0 insertions, 0 deletions