I failed to try discrete ATI card before. I will try your patch if I'm free. My laptop: Dell New Inspiron 14R OS: Ubuntu Linux 11.04 amd64 CPU: Core i7 2620M Graphical: ATI Radeon 6630M
On Tue, May 31, 2011 at 15:08, Medvedchikov Alexey <stein.bur...@gmail.com> wrote: > Hello. > > Sorry for english and PCI\ACPI knowledge :) > > I have Acer TimelineX 3820TG with switchable graphics: Core i5 + ATI > HD5650 with Gentoo Linux installed on it. Everything works fine, > including powering off discreete card by vga_switcheroo or acpi_call. > I want to use intel+fglrx, not intel+radeon. But can't reenable > discrete ATI card without reboot. I tried: with acpi_call 'echo > "\_SB.PCI0.P0P2.PEGP._OFF" > /proc/acpi/call' then 'echo > "\_SB.PCI0.P0P2.PEGP._ON" > /proc/acpi/call' takes me to blank screen. > With vgaswitcheroo I can reenable discreete card, but can't rmmod > radeon, cause it's in use, obviously radeon and fglrx conflicts. > > Then I modified vgaswitcheroo routines not to powering off previous active > card: > > --- /usr/src/linux/drivers/gpu/vga/vga_switcheroo.c 2011-05-31 > 05:38:05.809999874 +0700 > +++ /usr/src/linux/drivers/gpu/vga/vga_switcheroo.c.new 2011-05-31 > 14:00:21.103139923 +0700 > @@ -273,8 +273,8 @@ > if (new_client->reprobe) > new_client->reprobe(new_client->pdev); > > - if (active->pwr_state == VGA_SWITCHEROO_ON) > - vga_switchoff(active); > +/* if (active->pwr_state == VGA_SWITCHEROO_ON) > + vga_switchoff(active); */ > > new_client->active = true; > return 0; > > now I can reenable ATI card once, switch to integrated and remove > radeon module :) but only once, then i have oops: > > ### bash ### > echo "\_SB.PCI0.P0P2.PEGP._OFF" > /proc/acpi/call > # on integrated > > modprobe radeon > echo DDIS > /sys/kernel/debug/vgaswitcheroo/switch > echo DIGD > /sys/kernel/debug/vgaswitcheroo/switch > rmmod radeon # HERE on second iteration kernel make oops > modprobe fglrx > > # Yay, discreete again > > ### end bash ### > > Thank you! > > _______________________________________________ > Mailing list: https://launchpad.net/~hybrid-graphics-linux > Post to : hybrid-graphics-linux@lists.launchpad.net > Unsubscribe : https://launchpad.net/~hybrid-graphics-linux > More help : https://help.launchpad.net/ListHelp > _______________________________________________ Mailing list: https://launchpad.net/~hybrid-graphics-linux Post to : hybrid-graphics-linux@lists.launchpad.net Unsubscribe : https://launchpad.net/~hybrid-graphics-linux More help : https://help.launchpad.net/ListHelp
