[Intel-gfx] [PATCH] drm/i915: Handle -EDEADLK in drm_atomic_commit from load-detect.

[Maarten Lankhorst]

CI runs with DEBUG_WW_MUTEX_SLOWPATH, so -EDEADLK occurs a lot more. Handle the case
where drm_atomic_commit fails with -EDEADLK correctly.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
---
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 7c4ce3828d9d..09e4852bd752 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -10557,7 +10557,8 @@ found:
 		goto fail;
 	}
 
-	if (drm_atomic_commit(state)) {
+	ret = drm_atomic_commit(state);
+	if (ret) {
 		DRM_DEBUG_KMS("failed to set mode on load-detect pipe\n");
 		goto fail;
 	}