Messages in this thread Patch in this message | | | Date | Sun, 2 Oct 2011 14:09:50 -0700 (PDT) | From | Alex Davis <> | Subject | Re: [Regression] Laptop screen dark when lid closed and reopened.with 3.1 |
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>The following patch fixes the problem for me:
[ snip ]
>the panel was disabled, which caused a 0 to be saved as the value to restore the brightness. intel_panel_disable_backlight >merely sets the brightness to 0. Commenting out this call allows the correct brightness value to be saved.
> Thoughts?
Use this patch instead:
diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index a9e0c7b..6f56676 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -262,8 +262,6 @@ void intel_panel_disable_backlight(struct drm_device *dev) dev_priv->backlight_level = intel_panel_get_backlight(dev); dev_priv->backlight_enabled = false; } - - intel_panel_set_backlight(dev, 0); } void intel_panel_enable_backlight(struct drm_device *dev)
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