On Wed, Apr 03, 2013 at 01:43:49PM +1100, Stephen Rothwell wrote:
> Hi all,
>
> Today's linux-next merge of the drm-intel tree got a conflict in
> drivers/gpu/drm/i915/intel_panel.c between commit b1289371fcd5 ("Revert
> "drm/i915: write backlight harder"") from Linus' tree and commit
> 31ad8ec6a614 ("drm/i915: group backlight related stuff into a struct")
> from the drm-intel tree.
>
> I fixed it up (see below) and can carry the fix as necessary (no action
> is required).
Looks good, I carry the same merge resolution locally.
-Daniel
>
> --
> Cheers,
> Stephen Rothwell sfr@xxxxxxxxxxxxxxxx
>
> diff --cc drivers/gpu/drm/i915/intel_panel.c
> index bee8cb6,0e7e873..0000000
> --- a/drivers/gpu/drm/i915/intel_panel.c
> +++ b/drivers/gpu/drm/i915/intel_panel.c
> @@@ -318,9 -321,16 +321,13 @@@ void intel_panel_enable_backlight(struc
> {
> struct drm_i915_private *dev_priv = dev->dev_private;
>
> - if (dev_priv->backlight_level == 0)
> - dev_priv->backlight_level = intel_panel_get_max_backlight(dev);
> + if (dev_priv->backlight.level == 0) {
> + dev_priv->backlight.level = intel_panel_get_max_backlight(dev);
> + if (dev_priv->backlight.device)
> + dev_priv->backlight.device->props.brightness =
> + dev_priv->backlight.level;
> + }
>
> - dev_priv->backlight.enabled = true;
> - intel_panel_actually_set_backlight(dev, dev_priv->backlight.level);
> -
> if (INTEL_INFO(dev)->gen >= 4) {
> uint32_t reg, tmp;
>
> @@@ -356,12 -366,12 +363,12 @@@
> }
>
> set_level:
> - /* Check the current backlight level and try to set again if it's zero.
> - * On some machines, BLC_PWM_CPU_CTL is cleared to zero automatically
> - * when BLC_PWM_CPU_CTL2 and BLC_PWM_PCH_CTL1 are written.
> + /* Call below after setting BLC_PWM_CPU_CTL2 and BLC_PWM_PCH_CTL1.
> + * BLC_PWM_CPU_CTL may be cleared to zero automatically when these
> + * registers are set.
> */
> - dev_priv->backlight_enabled = true;
> - intel_panel_actually_set_backlight(dev, dev_priv->backlight_level);
> - if (!intel_panel_get_backlight(dev))
> - intel_panel_actually_set_backlight(dev, dev_priv->backlight.level);
> ++ dev_priv->backlight.enabled = true;
> ++ intel_panel_actually_set_backlight(dev, dev_priv->backlight.level);
> }
>
> static void intel_panel_init_backlight(struct drm_device *dev)
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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