On Wed, Aug 14, 2013 at 10:49 PM, Dave Airlie <airlied@xxxxxxxxx> wrote: > (resend, gmail went html again). And gmail broke pgdn, too :( > > On Thu, Aug 15, 2013 at 4:47 AM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote: >> I have a box with a real graphics card (radeon) and an onboard >> graphics card (mgag200). I want to use the radeon and ignore the >> mgag200. For reasons of extreme firmware suckage, I have two choices: >> >> 1. Leave both devices enabled in BIOS and set the mgag200 device >> primary. This causes efifb and later mgag200 to both point at the >> mgag200. All of my text consoles end up on the mgag200. This is >> unfortunate, especially because if, even if I set xorg to ignore the >> mgag200 device, hitting ctrl-alt-f2 causes X to suspend itself and my >> text console to show up on a device with no monitor attached. >> >> 2. Set the radeon device as primary in BIOS. System doesn't boot. > > get vendor to fix BIOS :-) Done :) (I'm now running some mysterious unreleased BIOS -- it's vastly superior.) > >> >> I'd like to leave mgag200 primary but tell Linux to put all the text >> consoles on the radeon device once it shows up. I could compile out >> both efifb and mgag200, but that seems like a waste. Is there any way >> to do this with a command-line parameter? I tried fbcon=map:1, and I >> get no fbcon at all. > > the mapping stuff should work, alternative is to write some code to > call the fbcon > event, FB_EVENT_REMAP_ALL_CONSOLE, which is what the GPU switcher > code uses to remap fbcon between switchable GPU systems. Blech. Fortunately, my new BIOS works and I can stop worrying. (Plymouth is still broken -- separate bug filed.) --Andy > > Dave. -- Andy Lutomirski AMA Capital Management, LLC -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
