drm/i915: intel_unregister_dsm_handler() doesn't need struct_mutex

So don't grab the lock before calling the function.

Reviewed-by: Chris wilson <chris@chris-wilson.co.uk>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index e1f9ae6..8ddeb29 100644 (file)
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -15603,12 +15603,10 @@ void intel_modeset_cleanup(struct drm_device *dev)
         */
        drm_kms_helper_poll_fini(dev);
 
-       mutex_lock(&dev->struct_mutex);
-
        intel_unregister_dsm_handler();
 
+       mutex_lock(&dev->struct_mutex);
        intel_fbc_disable(dev);
-
        mutex_unlock(&dev->struct_mutex);
 
        /* flush any delayed tasks or pending work */