linux-kernel - Re: [bisected] i915 dpms does not switch back light on

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Message-ID: <4EAEA93A.9010100@science.uva.nl>
Date:	Mon, 31 Oct 2011 13:57:14 +0000
From:	"Wouter M. Koolen" <wmkoolen@...ence.uva.nl>
To:	Alex Davis <alex14641@...oo.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [bisected] i915 dpms does not switch back light on

On 10/27/2011 09:38 PM, Alex Davis wrote:
> 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)
Hi Alex,

That indeed solves the problem here.

Thanks for your swift response.

Wouter
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