From mboxrd@z Thu Jan 1 00:00:00 1970 Date: Fri, 10 Sep 1999 16:13:22 -0400 From: Daniel Jacobowitz To: linuxppc-dev@lists.linuxppc.org Subject: Re: controlfb.c bug in VRAM bank2 check if bank1 Message-ID: <19990910161322.A1674@them.org> References: <37D929E4.205A04B8@chpc.utah.edu> <199909111051.DAA22465@marcus.pants.nu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <199909111051.DAA22465@marcus.pants.nu>; from Brad Boyer on Sat, Sep 11, 1999 at 03:51:25AM -0700 Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: On Sat, Sep 11, 1999 at 03:51:25AM -0700, Brad Boyer wrote: > > Lou Langholtz wrote: > > I've posted before about this problem but to a different audience. As > > I'm hoping to get this resolved (fixed) though in the main source tree > > but don't have the chance to test this entirely myself I'm resending > > here hoping someone else can test things out... > > > > After getting an extra 2MB VRAM for my PowerMac7500 and seeing that only > > 2MB were still being recognized (despite having just added the 2MB to > > total to 4MB VRAM), I dug into the controlfb.c code from 2.2.11 and > > 2.2.12 and made the following changes to get all 4MB VRAM recognized: > > Just remember when making changes like this that the old code works fine > for some people. I've had 4M in my 7600 for a long time, and never once > had a problem with Linux saying I only had 2M. I don't often have the > time to do kernel hacking, but I'll try to get a kernel with this patch > up and running on my computer to see if it breaks things. I suspect it > will, since it seems that the old way of detecting is removed. > > Hopefully I can get back to you on this in a few days. I have a bunch of information on this lying around, and most of my other kernel problems seem to be resolved now. I'm in the process of upgrading to current vger; if it succeeds, I'll try to merge all pending controlfb stuff tomorrow. Dan /--------------------------------\ /--------------------------------\ | Daniel Jacobowitz |__| SCS Class of 2002 | | Debian GNU/Linux Developer __ Carnegie Mellon University | | dan@debian.org | | dmj+@andrew.cmu.edu | \--------------------------------/ \--------------------------------/ ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/