From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Buell Date: Mon, 03 Jan 2011 19:39:01 +0000 Subject: Re: Using s3virge card in Sun Blade 2000 Message-Id: <1294083541.17576.11.camel@lithium> List-Id: References: <1294072336.17576.7.camel@lithium> <20110103.105827.112602895.davem@davemloft.net> In-Reply-To: <20110103.105827.112602895.davem@davemloft.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: David Miller Cc: linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org On Mon, 2011-01-03 at 10:58 -0800, David Miller wrote: > From: Alex Buell > Date: Mon, 03 Jan 2011 16:32:16 +0000 > > > I'm aware the s3fb driver has big endian issues, I can help fix those > > issues so I can get the card working. Or in other words, I'd welcome > > advice on how to proceed with this. > > It's not endian issues, this driver has other problems. > > It uses the VGA register accessors with a NULL regbase, which is not > going to work on sparc64. > > It needs to access the VGA register space relative to the I/O space > of the PCI controller domain it is behind. > > Probably if you replace the NULL values passes to vga_r*() and > vga_w*() with the I/O space resource base of the chip (should be > resource "1") it might work. I've had a look at linux/include/video/vga.h, and yes I see what you mean now. Secondly, is Linux fully capable of handling different graphic cards simultaneously? For example, plug in a pair of monitors and have consoles on both with disparate graphic cards i.e. XVR-500 and S3ViRGE etc? -- Tactical Nuclear Kittens