diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_opregion.c | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/intel_panel.c | 4 |
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index 904464023c8..b82050c96f3 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -407,6 +407,7 @@ static u32 asle_set_backlight(struct drm_device *dev, u32 bclp) if (bclp > 255) return ASLC_BACKLIGHT_FAILED; + DRM_DEBUG_KMS("updating opregion backlight %d/255\n", bclp); intel_panel_set_backlight(dev, bclp, 255); iowrite32(DIV_ROUND_UP(bclp * 100, 255) | ASLE_CBLV_VALID, &asle->cblv); diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 54684168de1..1f2996031ad 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -574,6 +574,8 @@ void intel_panel_enable_backlight(struct drm_device *dev, intel_pipe_to_cpu_transcoder(dev_priv, pipe); unsigned long flags; + DRM_DEBUG_KMS("pipe=%d\n", pipe); + spin_lock_irqsave(&dev_priv->backlight.lock, flags); if (dev_priv->backlight.level == 0) { @@ -680,6 +682,8 @@ intel_panel_detect(struct drm_device *dev) static int intel_panel_update_status(struct backlight_device *bd) { struct drm_device *dev = bl_get_data(bd); + DRM_DEBUG_KMS("updating intel_backlight, brightness=%d/%d\n", + bd->props.brightness, bd->props.max_brightness); intel_panel_set_backlight(dev, bd->props.brightness, bd->props.max_brightness); return 0; |