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Message-ID: <1317589790.89908.YahooMailNeo@web130109.mail.mud.yahoo.com> Date: Sun, 2 Oct 2011 14:09:50 -0700 (PDT) From: Alex Davis <alex14641@...oo.com> To: Keith Packard <keithp@...thp.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "mjg@...hat.com" <mjg@...hat.com> Subject: Re: [Regression] Laptop screen dark when lid closed and reopened.with 3.1 >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) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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