[PATCH] drm/xe/guc: Only take actions in CT irq handler if CTs are enabled

[Matthew Brost]

Protect entire IRQ handler by CT being enabled rather than just G2H
handler.

v2: Return on not enabled in CT irq handler (Michal)

Suggested-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
Signed-off-by: Matthew Brost <matthew.brost at intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko at intel.com>
---
 drivers/gpu/drm/xe/xe_guc_ct.h | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_guc_ct.h b/drivers/gpu/drm/xe/xe_guc_ct.h
index f15f8a4857e0..05302db02e08 100644
--- a/drivers/gpu/drm/xe/xe_guc_ct.h
+++ b/drivers/gpu/drm/xe/xe_guc_ct.h
@@ -24,10 +24,11 @@ void xe_guc_ct_print(struct xe_guc_ct *ct, struct drm_printer *p, bool atomic);
 
 static inline void xe_guc_ct_irq_handler(struct xe_guc_ct *ct)
 {
-	wake_up_all(&ct->wq);
-	if (ct->enabled)
+	if (ct->enabled) {
+		wake_up_all(&ct->wq);
 		queue_work(system_unbound_wq, &ct->g2h_worker);
-	xe_guc_ct_fast_path(ct);
+		xe_guc_ct_fast_path(ct);
+	}
 }
 
 /* Basic CT send / receives */
-- 
2.34.1