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drm/xe/drm_client: Use scope-based cleanup

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Use scope-based cleanup for forcewake and runtime PM.

v2:
 - Use xe_force_wake_release_only rather than a custom one-off class for
   "any engine" forcewake.  (Gustavo)

Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://patch.msgid.link/20251118164338.3572146-44-matthew.d.roper@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
This commit is contained in:
Matt Roper 2025-11-18 08:43:54 -08:00
parent 1fe7ea3287
commit 062a6b83d5
1 changed files with 16 additions and 21 deletions
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37
drivers/gpu/drm/xe/xe_drm_client.c
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@ -321,7 +321,6 @@ static void show_run_ticks(struct drm_printer *p, struct drm_file *file)
struct xe_hw_engine *hwe;
struct xe_exec_queue *q;
u64 gpu_timestamp;
struct xe_force_wake_ref fw_ref;
/*
* RING_TIMESTAMP registers are inaccessible in VF mode.
@ -338,30 +337,26 @@ static void show_run_ticks(struct drm_printer *p, struct drm_file *file)
wait_var_event(&xef->exec_queue.pending_removal,
!atomic_read(&xef->exec_queue.pending_removal));
xe_pm_runtime_get(xe);
fw_ref = force_wake_get_any_engine(xe, &hwe);
if (!hwe) {
xe_pm_runtime_put(xe);
return;
}
scoped_guard(xe_pm_runtime, xe) {
CLASS(xe_force_wake_release_only, fw_ref)(force_wake_get_any_engine(xe, &hwe));
if (!hwe)
return;
/* Accumulate all the exec queues from this client */
mutex_lock(&xef->exec_queue.lock);
xa_for_each(&xef->exec_queue.xa, i, q) {
xe_exec_queue_get(q);
/* Accumulate all the exec queues from this client */
mutex_lock(&xef->exec_queue.lock);
xa_for_each(&xef->exec_queue.xa, i, q) {
xe_exec_queue_get(q);
mutex_unlock(&xef->exec_queue.lock);
xe_exec_queue_update_run_ticks(q);
mutex_lock(&xef->exec_queue.lock);
xe_exec_queue_put(q);
}
mutex_unlock(&xef->exec_queue.lock);
xe_exec_queue_update_run_ticks(q);
mutex_lock(&xef->exec_queue.lock);
xe_exec_queue_put(q);
gpu_timestamp = xe_hw_engine_read_timestamp(hwe);
}
mutex_unlock(&xef->exec_queue.lock);
gpu_timestamp = xe_hw_engine_read_timestamp(hwe);
xe_force_wake_put(gt_to_fw(hwe->gt), fw_ref.domains);
xe_pm_runtime_put(xe);
for (class = 0; class < XE_ENGINE_CLASS_MAX; class++) {
const char *class_name;