[Intel-xe] [PATCH] Revert "drm/i915/display: Fix a use-after-free when intel_edp_init_connector fails"

[Jani Nikula]

This reverts commit 299ddb10031a33cd51e375565ea22b3e829f5949.

This is fixed by commit f917130f19fe ("drm/i915: Flush power delayed put
when connector init failed") upstream, and already part of the baseline.

Signed-off-by: Jani Nikula <jani.nikula at intel.com>
---
 drivers/gpu/drm/i915/display/intel_display_power.c | 2 +-
 drivers/gpu/drm/i915/display/intel_display_power.h | 1 -
 drivers/gpu/drm/i915/display/intel_dp_aux.c        | 2 --
 3 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_display_power.c b/drivers/gpu/drm/i915/display/intel_display_power.c
index 08f63340ff58..e25785ae1c20 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.c
+++ b/drivers/gpu/drm/i915/display/intel_display_power.c
@@ -812,7 +812,7 @@ void intel_display_power_flush_work(struct drm_i915_private *i915)
  * Like intel_display_power_flush_work(), but also ensure that the work
  * handler function is not running any more when this function returns.
  */
-void
+static void
 intel_display_power_flush_work_sync(struct drm_i915_private *i915)
 {
 	struct i915_power_domains *power_domains = &i915->display.power.domains;
diff --git a/drivers/gpu/drm/i915/display/intel_display_power.h b/drivers/gpu/drm/i915/display/intel_display_power.h
index ec2b5560877f..d6c2a5846bdc 100644
--- a/drivers/gpu/drm/i915/display/intel_display_power.h
+++ b/drivers/gpu/drm/i915/display/intel_display_power.h
@@ -200,7 +200,6 @@ void __intel_display_power_put_async(struct drm_i915_private *i915,
 				     intel_wakeref_t wakeref,
 				     int delay_ms);
 void intel_display_power_flush_work(struct drm_i915_private *i915);
-void intel_display_power_flush_work_sync(struct drm_i915_private *i915);
 #if IS_ENABLED(CONFIG_DRM_I915_DEBUG_RUNTIME_PM)
 void intel_display_power_put(struct drm_i915_private *dev_priv,
 			     enum intel_display_power_domain domain,
diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux.c b/drivers/gpu/drm/i915/display/intel_dp_aux.c
index 03f1e1425a0a..4431b6290c4c 100644
--- a/drivers/gpu/drm/i915/display/intel_dp_aux.c
+++ b/drivers/gpu/drm/i915/display/intel_dp_aux.c
@@ -734,8 +734,6 @@ void intel_dp_aux_fini(struct intel_dp *intel_dp)
 	if (cpu_latency_qos_request_active(&intel_dp->pm_qos))
 		cpu_latency_qos_remove_request(&intel_dp->pm_qos);
 
-	/* Ensure async work from intel_dp_aux_xfer() is flushed before we clean up */
-	intel_display_power_flush_work_sync(dp_to_i915(intel_dp));
 	kfree(intel_dp->aux.name);
 }
 
-- 
2.39.2