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). -- Cheers, Stephen Rothwell sfr@canb.auug.org.au 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)