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-rw-r--r--drivers/gpu/drm/i915/intel_panel.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c
index cb058408c70e..0eead16aeda7 100644
--- a/drivers/gpu/drm/i915/intel_panel.c
+++ b/drivers/gpu/drm/i915/intel_panel.c
@@ -1065,6 +1065,11 @@ int intel_panel_setup_backlight(struct drm_connector *connector)
1065 unsigned long flags; 1065 unsigned long flags;
1066 int ret; 1066 int ret;
1067 1067
1068 if (!dev_priv->vbt.backlight.present) {
1069 DRM_DEBUG_KMS("native backlight control not available per VBT\n");
1070 return 0;
1071 }
1072
1068 /* set level and max in panel struct */ 1073 /* set level and max in panel struct */
1069 spin_lock_irqsave(&dev_priv->backlight_lock, flags); 1074 spin_lock_irqsave(&dev_priv->backlight_lock, flags);
1070 ret = dev_priv->display.setup_backlight(intel_connector); 1075 ret = dev_priv->display.setup_backlight(intel_connector);