Any comments on these two patches? BR, Jani. On Tue, 12 Mar 2013, Jani Nikula <jani.nikula at intel.com> wrote: > A single point of truth would be better than two, but achieving that would > require more abstractions for CONFIG_BACKLIGHT_CLASS_DEVICE=n with not a > whole lot of real benefits. Take the short route and just keep the > backlight levels in sync. In particular, update backlight device brightness > on opregion brightness changes. > > Signed-off-by: Jani Nikula <jani.nikula at intel.com> > --- > drivers/gpu/drm/i915/intel_panel.c | 11 +++++++++-- > 1 file changed, 9 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c > index a3730e0..725d726 100644 > --- a/drivers/gpu/drm/i915/intel_panel.c > +++ b/drivers/gpu/drm/i915/intel_panel.c > @@ -287,6 +287,9 @@ void intel_panel_set_backlight(struct drm_device *dev, u32 level) > struct drm_i915_private *dev_priv = dev->dev_private; > > dev_priv->backlight_level = level; > + if (dev_priv->backlight) > + dev_priv->backlight->props.brightness = level; > + > if (dev_priv->backlight_enabled) > intel_panel_actually_set_backlight(dev, level); > } > @@ -318,8 +321,12 @@ void intel_panel_enable_backlight(struct drm_device *dev, > { > struct drm_i915_private *dev_priv = dev->dev_private; > > - if (dev_priv->backlight_level == 0) > + if (dev_priv->backlight_level == 0) { > dev_priv->backlight_level = intel_panel_get_max_backlight(dev); > + if (dev_priv->backlight) > + dev_priv->backlight->props.brightness = > + dev_priv->backlight_level; > + } > > dev_priv->backlight_enabled = true; > intel_panel_actually_set_backlight(dev, dev_priv->backlight_level); > @@ -427,6 +434,7 @@ int intel_panel_setup_backlight(struct drm_connector *connector) > > memset(&props, 0, sizeof(props)); > props.type = BACKLIGHT_RAW; > + props.brightness = dev_priv->backlight_level; > props.max_brightness = _intel_panel_get_max_backlight(dev); > if (props.max_brightness == 0) { > DRM_DEBUG_DRIVER("Failed to get maximum backlight value\n"); > @@ -443,7 +451,6 @@ int intel_panel_setup_backlight(struct drm_connector *connector) > dev_priv->backlight = NULL; > return -ENODEV; > } > - dev_priv->backlight->props.brightness = intel_panel_get_backlight(dev); > return 0; > } > > -- > 1.7.9.5 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx at lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/intel-gfx