From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: [PATCH] drm/i915: Check for a change in fb size, and reconfigure the pipe Date: Tue, 13 Nov 2012 14:42:36 +0200 Message-ID: <20121113124236.GH3791@intel.com> References: <1352808910-31946-1-git-send-email-chris@chris-wilson.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: Received: from mga03.intel.com (mga03.intel.com [143.182.124.21]) by gabe.freedesktop.org (Postfix) with ESMTP id 095BE9EF33 for ; Tue, 13 Nov 2012 04:42:39 -0800 (PST) Content-Disposition: inline In-Reply-To: <1352808910-31946-1-git-send-email-chris@chris-wilson.co.uk> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: Chris Wilson Cc: intel-gfx@lists.freedesktop.org List-Id: intel-gfx@lists.freedesktop.org On Tue, Nov 13, 2012 at 12:15:10PM +0000, Chris Wilson wrote: > In the slightly unusual case where the pipe is programmed to the same > modeline, but the framebuffer is a new size, we need to resetup the > panel fitter as appropriate and this requires a full modeset. This can > only occur currently as part of the BIOS takeover where there are > slightly different semantics governing how the panel fitter and > framebuffer is programmed relative to the modeline. Hmm. I don't get it. Why would the framebuffer size affect the panel fitter configuration? -- = Ville Syrj=E4l=E4 Intel OTC