Commit 95af8f4f authored by Balasubramani Vivekanandan's avatar Balasubramani Vivekanandan Committed by Lucas De Marchi
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drm/xe/guc: Synchronize Dead CT worker with unbind 



Cancel and wait for any Dead CT worker to complete before continuing
with device unbinding. Else the worker will end up using resources freed
by the undind operation.

Cc: Zhanjun Dong <zhanjun.dong@intel.com>
Fixes: d2c5a5a9 ("drm/xe/guc: Dead CT helper")
Signed-off-by: default avatarBalasubramani Vivekanandan <balasubramani.vivekanandan@intel.com>
Reviewed-by: default avatarStuart Summers <stuart.summers@intel.com>
Link: https://patch.msgid.link/20251103123144.3231829-6-balasubramani.vivekanandan@intel.com


Signed-off-by: default avatarLucas De Marchi <lucas.demarchi@intel.com>
(cherry picked from commit 49267133)
Signed-off-by: default avatarLucas De Marchi <lucas.demarchi@intel.com>
parent 6146a0f1

drivers/gpu/drm/xe/xe_guc_ct.c

+3 −0
Original line number Diff line number Diff line
@@ -200,6 +200,9 @@ static void guc_ct_fini(struct drm_device *drm, void *arg) 
{

	struct xe_guc_ct *ct = arg;



#if IS_ENABLED(CONFIG_DRM_XE_DEBUG)

	cancel_work_sync(&ct->dead.worker);

#endif

	ct_exit_safe_mode(ct);

	destroy_workqueue(ct->g2h_wq);

	xa_destroy(&ct->fence_lookup);