drm/xe: Only toggle scheduling in TDR if GuC is running

If the firmware is not running during TDR (e.g., when the driver is
unloading), there's no need to toggle scheduling in the GuC. In such
cases, skip this step.

v4:
 - Bail on wait UC not running (Niranjana)

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
Reviewed-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Link: https://patch.msgid.link/20260110012739.2888434-4-matthew.brost@intel.com
This commit is contained in:
Matthew Brost 2026-01-09 17:27:35 -08:00
parent 95f27831ee
commit dd1ef5e245

View File

@ -1638,7 +1638,7 @@ guc_exec_queue_timedout_job(struct drm_sched_job *drm_job)
if (exec_queue_reset(q))
err = -EIO;
if (!exec_queue_destroyed(q)) {
if (!exec_queue_destroyed(q) && xe_uc_fw_is_running(&guc->fw)) {
/*
* Wait for any pending G2H to flush out before
* modifying state
@ -1673,6 +1673,7 @@ guc_exec_queue_timedout_job(struct drm_sched_job *drm_job)
*/
smp_rmb();
ret = wait_event_timeout(guc->ct.wq,
!xe_uc_fw_is_running(&guc->fw) ||
!exec_queue_pending_disable(q) ||
xe_guc_read_stopped(guc) ||
vf_recovery(guc), HZ * 5);