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| author | Carsten Emde <C.Emde@osadl.org> | 2012-03-15 15:56:26 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2012-03-18 21:48:18 +0100 |
| commit | 4dca20efb1a9c2efefc28ad2867e5d6c3f5e1955 (patch) | |
| tree | 807c4807c91bf53db35fd28e05eaeaa846d41bde /drivers/gpu/drm/i915/intel_display.c | |
| parent | 7bd90909bbf9ce7c40e1da3d72b97b93839c188a (diff) | |
| download | op-kernel-dev-4dca20efb1a9c2efefc28ad2867e5d6c3f5e1955.zip op-kernel-dev-4dca20efb1a9c2efefc28ad2867e5d6c3f5e1955.tar.gz | |
drm/i915: panel: invert brightness via quirk
A machine may need to invert the panel backlight brightness value. This
patch adds the infrastructure for a quirk to do so.
Signed-off-by: Carsten Emde <C.Emde@osadl.org>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_display.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_display.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 615b397..92208f8 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -9020,6 +9020,15 @@ static void quirk_ssc_force_disable(struct drm_device *dev) dev_priv->quirks |= QUIRK_LVDS_SSC_DISABLE; } +/* + * A machine may need to invert the panel backlight brightness value + */ +static void quirk_invert_brightness(struct drm_device *dev) +{ + struct drm_i915_private *dev_priv = dev->dev_private; + dev_priv->quirks |= QUIRK_INVERT_BRIGHTNESS; +} + struct intel_quirk { int device; int subsystem_vendor; |
