diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_panel.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index ef646b1..4ec6c2f 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -539,12 +539,15 @@ static u32 intel_panel_get_backlight(struct intel_connector *connector) { struct drm_device *dev = connector->base.dev; struct drm_i915_private *dev_priv = dev->dev_private; - u32 val; + struct intel_panel *panel = &connector->panel; + u32 val = 0; mutex_lock(&dev_priv->backlight_lock); - val = dev_priv->display.get_backlight(connector); - val = intel_panel_compute_brightness(connector, val); + if (panel->backlight.enabled) { + val = dev_priv->display.get_backlight(connector); + val = intel_panel_compute_brightness(connector, val); + } mutex_unlock(&dev_priv->backlight_lock); |
