diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_opregion.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_opregion.c b/drivers/gpu/drm/i915/intel_opregion.c index e27c170..0f2db16 100644 --- a/drivers/gpu/drm/i915/intel_opregion.c +++ b/drivers/gpu/drm/i915/intel_opregion.c @@ -154,6 +154,8 @@ static u32 asle_set_backlight(struct drm_device *dev, u32 bclp) struct opregion_asle __iomem *asle = dev_priv->opregion.asle; u32 max; + DRM_DEBUG_DRIVER("bclp = 0x%08x\n", bclp); + if (!(bclp & ASLE_BCLP_VALID)) return ASLE_BACKLIGHT_FAILED; |