On Thu, Apr 23, 2015 at 10:39:54AM +0200, Lukas Hejtmanek wrote: > Chris, > > On Wed, Apr 22, 2015 at 03:27:51PM +0100, Chris Wilson wrote: > > Try > > $ xrandr \ > > --output eDP1 --primary --preferred \ > > --output DP1-8 --preferred --right-of eDP1 \ > > --output DP1-9 --preferred --right-of DP1-8 > > anubis: ~ $ xrandr \ > Continue> --output eDP1 --primary --preferred \ > Continue> --output DP1-8 --preferred --right-of eDP1 \ > Continue> --output DP1-9 --preferred --right-of DP1-8 > xrandr: Configure crtc 1 failed > > I can turn on either DP1-8 *or* DP1-9. But not both. No matter which one > I start, the other one fails with crtc 1 failed. > > below I provide driver version: > intel(0): Using Kernel Mode Setting driver: i915, version 1.6.0 20141121 > intel(0): SNA compiled from 2.99.916-145-g6c2707d > > and this is from log while trying set the output: > [116082.906] (II) intel(0): Enabled output DP2-1 > [116082.906] (II) intel(0): Enabled output DP2-2 > [116082.906] (II) intel(0): Enabled output DP2-3 > [116082.906] (II) intel(0): Enabled output DP1-8 > [116082.907] (II) intel(0): Enabled output DP1-9 > [116082.995] (II) intel(0): resizing framebuffer to 6400x2160 > [116083.043] (II) intel(0): switch to mode 1920x2160@60.0 on DP1-8, DP1-9 using pipe 1, position (2560, 0), rotation normal, reflection none > [116083.047] (EE) intel(0): failed to set mode: Invalid argument [22] > [116083.380] (II) intel(0): resizing framebuffer to 2560x1440 > [116083.393] (II) intel(0): switch to mode 2560x1440@60.0 on eDP1 using pipe 0, position (0, 0), rotation normal, reflection none > [116164.838] (II) intel(0): resizing framebuffer to 4480x2160 > [116164.880] (II) intel(0): switch to mode 1920x2160@60.0 on DP1-8 using pipe 1, position (2560, 0), rotation normal, reflection none > [116206.941] (II) intel(0): resizing framebuffer to 2560x1440 > [116212.223] (II) intel(0): resizing framebuffer to 2560x2160 > [116212.243] (II) intel(0): switch to mode 1920x2160@60.0 on DP1-9 using pipe 1, position (0, 0), rotation normal, reflection none > [116241.928] (II) intel(0): switch to mode 1920x2160@60.0 on DP1-8, DP1-9 using pipe 1, position (0, 0), rotation normal, reflection none > [116242.255] (EE) intel(0): failed to set mode: Invalid argument [22] > [116242.577] (II) intel(0): switch to mode 2560x1440@60.0 on eDP1 using pipe 0, position (0, 0), rotation normal, reflection none > [116243.364] (II) intel(0): switch to mode 1920x2160@60.0 on DP1-9 using pipe 1, position (0, 0), rotation normal, reflection none > [116275.265] (II) intel(0): resizing framebuffer to 2560x1440 Weird, xrandr first tries to setup DP1-8 on the same crtc as DP1-9, which despite the kernel setting possible_clones, is not a valid clone. Let's be even more explicit then.... $ xrandr --output eDP1 --off --output DP1-8 --off --output DP1-9 --off ; \ xrandr \ --output eDP1 --primary --preferred --crtc 0 \ --output DP1-8 --preferred --right-of eDP1 --crtc 1 \ --output DP1-9 --preferred --right-of DP1-8 --crtc 2 -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
