[Intel-gfx] 3.18.0-rc3: i915: eDP connected Display stays blank

2014-11-07 Thread Arnd Hannemann
Hi, Am 06.11.2014 um 13:53 schrieb Jani Nikula: >> root at kallisto:~# cat /sys/class/backlight/intel_backlight/bl_power >> 1 >> >>> you echo 0 there? >> >> :-) Works my display comes back, when I echo 0 there. >> >> Is user-space doing something wrong here? > > If the userspace wishes to

[Intel-gfx] 3.18.0-rc3: i915: eDP connected Display stays blank

2014-11-06 Thread Jani Nikula
On Thu, 06 Nov 2014, Arnd Hannemann wrote: > Hi, > > thanks for your quick response. > > Am 06.11.2014 um 10:39 schrieb Jani Nikula: >> On Thu, 06 Nov 2014, Arnd Hannemann wrote: >>> Hi, >>> >>> I have a Thinkpad T440s (Haswell) connected to two additional Monitors >>> via a Docking Station

[Intel-gfx] 3.18.0-rc3: i915: eDP connected Display stays blank

2014-11-06 Thread Jani Nikula
On Thu, 06 Nov 2014, Arnd Hannemann wrote: > Hi, > > I have a Thinkpad T440s (Haswell) connected to two additional Monitors > via a Docking Station (MST). > > During Bootup all three displays work, even when X is started. > However, if the laptop display is turned off once (either because of >

[Intel-gfx] 3.18.0-rc3: i915: eDP connected Display stays blank

2014-11-06 Thread Arnd Hannemann
Hi, thanks for your quick response. Am 06.11.2014 um 10:39 schrieb Jani Nikula: > On Thu, 06 Nov 2014, Arnd Hannemann wrote: >> Hi, >> >> I have a Thinkpad T440s (Haswell) connected to two additional Monitors >> via a Docking Station (MST). >> >> During Bootup all three displays work, even when