From mboxrd@z Thu Jan 1 00:00:00 1970 From: Melchior FRANZ Subject: [3.0-rc1 regression] (was: Re: [2.6.39 regression] i915/kms: garbled screen because of 49183b281) Date: Mon, 30 May 2011 14:10:10 +0200 Message-ID: <201105301410.11270@rk-nord.at> References: <201105121849.09225@rk-nord.at> Mime-Version: 1.0 Content-Type: Text/Plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <201105121849.09225@rk-nord.at> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: Linus Torvalds , Chris Wilson , dri-devel@lists.freedesktop.org, Keith Packard List-Id: dri-devel@lists.freedesktop.org * Melchior FRANZ -- Thursday 12 May 2011: > > Chris Wilson (4): > > drm/i915: Only enable the plane after setting the fb base (pre-ILK) > > This patch introduces a bug on my infamous "Acer Travelmate > 5735Z-452G32Mnss": when KMS takes over, the frame buffer contents > get completely garbled up on screen, with colored stripes and > unreadable text (photo on request). Only when X11 is started, the > screen gets restored again. Closing and re-opening the lid partly > cures the mess, too: it makes the font readable, though horizontally > stretched. > > Reverting 49183b2818de6899383bb82bc032f9344d6791ff fixes the > bug. This got fixed after my bug report, but now it's back with exactly the same description. Bisection result to come ... m.