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Date: Thu, 27 Oct 2011 13:38:24 -0700 (PDT) From: Alex Davis <alex14641@...oo.com> To: "wmkoolen@...ence.uva.nl" <wmkoolen@...ence.uva.nl>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: [bisected] i915 dpms does not switch back light on >I've been having this problem as well. I created a patch that fixes the problem for me and others: > >diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c >index 6f56676..a9e0c7b 100644 >--- a/drivers/gpu/drm/i915/intel_panel.c >+++ b/drivers/gpu/drm/i915/intel_panel.c >@@ -262,6 +262,8 @@ 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); > } > If the patch above doesn't work, try this one: diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 6f56676..a9e0c7b 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -262,6 +262,8 @@ 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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