From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ondrej Zary Date: Thu, 17 Feb 2011 08:20:15 +0000 Subject: Re: [PATCH 0/22] Make SVGA oriented FBs work on multi-domain PCI Message-Id: <201102170920.15700.linux@rainbow-software.org> List-Id: References: <20110111.154846.233419170.davem@davemloft.net> In-Reply-To: <20110111.154846.233419170.davem@davemloft.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-fbdev@vger.kernel.org On Thursday 17 February 2011, Alex Buell wrote: > On Wed, 2011-02-16 at 15:24 -0800, David Miller wrote: > > From: Alex Buell > > Date: Wed, 16 Feb 2011 23:21:20 +0000 > > > > > On Thu, 2011-02-17 at 00:01 +0100, Ondrej Zary wrote: > > >> > Signed-off-by: David S. Miller > > >> > > >> Just tested arkfb and s3fb and they seem to still work fine (on x86) > > >> with these changes. > > > > > > Hmm, that's odd. The exact same driver with the updates crashes on > > > sparc hardware. So far, I've not been able to figure out why it does. > > > > We know why it does, because sparc systems do not initialize the VGA > > hardware in the BIOS the way a PC will. > > > > That's the whole gist of the most recent thread we had where we were > > trying to diagnose your crashes. > > > > We simply haven't figured out the magic that will get this to work. > > > > So it's perfectly fine and expected that platforms where these drivers > > worked before, still work fine. > > OK, I'd forgotten that the VGA hardware needs initialising. Playing with (at least) S3 initialization is on my todo list. -- Ondrej Zary