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Date: Tue, 03 Jul 2012 11:20:41 +0200
Message-ID: <s5hfw995hg6.wl%tiwai@suse.de>
From: Takashi Iwai <tiwai@suse.de>
To: Adam Jackson <ajax@redhat.com>
Cc: Sven Joachim <svenjoac@gmx.de>, dri-devel@lists.freedesktop.org,
        Rodrigo Vivi <rodrigo.vivi@intel.com>,
        Dave Airlie <airlied@redhat.com>, linux-kernel@vger.kernel.org
Subject: Re: Bogus video resolution in Linux 3.5-rc4
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At Mon, 02 Jul 2012 15:46:29 -0400,
Adam Jackson wrote:
> 
> On 6/26/12 3:21 AM, Takashi Iwai wrote:
> 
> > From: Takashi Iwai <tiwai@suse.de>
> > Subject: [PATCH] drm: edid: Don't add inferred modes with higher resolution
> >
> > When a monitor EDID doesn't give the preferred bit, driver assumes
> > that the mode with the higest resolution and rate is the preferred
> > mode.  Meanwhile the recent changes for allowing more modes in the
> > GFT/CVT ranges give actually more modes, and some modes may be over
> > the native size.  Thus such a mode would be picked up as the preferred
> > mode although it's no native resolution.
> >
> > For avoiding such a problem, this patch limits the addition of
> > inferred modes by checking not to be greater than other modes.
> > Also, it checks the duplicated mode entry at the same time.
> 
> This is a little aggressive on CRTs, but whatever, better than what's there.
> 
> Reviewed-by: Adam Jackson <ajax@redhat.com>

Thanks.  I'm going to resend the patch with your tag.


Takashi