linux-kernel - Re: [PATCH] drm: ignore disconnected <-> unknown status changes

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Message-ID: <CADnq5_OVmCds-xaPB7VsOhLd-4QSVwq9nHHarvmy9mQ8T_sNpg@mail.gmail.com>
Date:	Fri, 3 Aug 2012 09:32:44 -0400
From:	Alex Deucher <alexdeucher@...il.com>
To:	Knut Petersen <Knut_Petersen@...nline.de>
Cc:	David Airlie <airlied@...ux.ie>, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH] drm: ignore disconnected <-> unknown status changes

On Thu, Aug 2, 2012 at 3:21 AM, Knut Petersen <Knut_Petersen@...nline.de> wrote:
> On an AOpen i915GMm-hfs the hotplug events generated
> by transitions between connector_status_unknown and
> connector_status_disconnected cause screen distortions.
>
> The attached patch cures the problem by disabling the
> generation of hotplug events in those cases. That should
> be safe for everybody as the only relevant changes are
> those from / to connector_status_connected.

Seems reasonable to me.  We should just drop unknown.

Reviewed-by: Alex Deucher <alexander.deucher@....com>

>
> cu,
>  Knut
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/dri-devel
>
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