From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Eger Subject: Re: [Linux-fbdev-devel] fbdev broken in current bk for PPC Date: Fri, 10 Sep 2004 13:52:02 -0400 Sender: linux-kernel-owner@vger.kernel.org Message-ID: <20040910175202.GA11054@havoc.gtf.org> References: <1094783022.2667.106.camel@gaston> <200409101328.57431.adaplas@hotpop.com> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: <200409101328.57431.adaplas@hotpop.com> List-Id: , Linux Kernel list , Andrew Morton On Fri, Sep 10, 2004 at 01:28:57PM +0800, Antonino A. Daplas wrote: > On Friday 10 September 2004 10:23, Benjamin Herrenschmidt wrote: > > Recent changes upstream are breaking fbdev on pmacs. > > > > I haven't had time to go deep into that (but I suspect Linus sees it > > too on his own g5 unless he removed offb from his .config). > > > > From what I see, it seems that offb is kicking in by default, reserves > > the mmio regions, and then whatever chip driver loads can't access them. > > > > offb is supposed to be a "fallback" driver in case no fbdev is taking > > over, it should also be "forced" in with video=ofonly kernel command > > line. This logic has been broken. I dearly *hope* this is what I'm seeing with recent kernels, though I have my doubts.... What I *do* know is that with recent bk snapshots (post bk-1.2115) I have the following: radeonfb seems to load, but when I try to load X, my y-resolution seems to be half of what it ought to be... The only code I see poking around at fb is yours... *shrug* -Happy to try new patches David