From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adam Jackson Subject: Re: Bogus video resolution in Linux 3.5-rc4 Date: Mon, 02 Jul 2012 15:46:29 -0400 Message-ID: <4FF1FA95.7000404@redhat.com> References: <874npzebev.fsf@turtle.gmx.de> <87obo7jnmn.fsf@turtle.gmx.de> <87r4t3w59r.fsf@turtle.gmx.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Takashi Iwai Cc: Sven Joachim , dri-devel@lists.freedesktop.org, Rodrigo Vivi , Dave Airlie , linux-kernel@vger.kernel.org List-Id: dri-devel@lists.freedesktop.org On 6/26/12 3:21 AM, Takashi Iwai wrote: > From: Takashi Iwai > 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