Daniel Vetter wrote: > On Sat, Oct 20, 2012 at 08:18:31PM +0200, Rolf Eike Beer wrote: > > Daniel Vetter wrote: > > > On Sat, Oct 20, 2012 at 2:20 PM, Rolf Eike Beer <eike-kernel at sf-tec.de> > > > > wrote: > > > > I can switch the screen brightness during startup, but that only makes > > > > the > > > > black screen a dark grey screen, I still see no text. > > > > > > Could be that we botch something with the enable sequence then. Can > > > you try 3.7-rc1 please (or the latest drm-intel-fixes tree from > > > http://cgit.freedesktop.org/~danvet/drm-intel)? The reworked modeset > > > code is reportedly better at not frying lvds panels ... > > > > Same behavior as before, dmesg attached. > > > > $ rpm -qi kernel-vanilla-3.7.rc1.next.20121019-1.1.i686 | tail -n 7 > > The standard kernel - without any SUSE patches > > > > > > Source Timestamp: 2012-10-19 18:37:40 +0200 > > GIT Revision: 375041b9f8fcf7c3f5890dea352c9f61f7695f0a > > GIT Branch: linux-next > > Distribution: Kernel:linux-next > > > > Greetings, > > I've misread your dmesg, there's actually nothing wrong with the backlight > settings that the i915 driver does. One thing to figure out is which > backlight controller actually controls your backlight. Can you check out > all the exposed controls in /sys/class/backlight and experiment around > which ones have an effect? > > I'm pretty sure that it's the backlight and not a modeset gone wrong, > since We don't do another modeset when X starts (it takes over the current > setup). lrwxrwxrwx 1 root root 0 Oct 20 20:10 acpi_video0 -> ../../devices/pci0000:00/0000:00:02.0/backlight/acpi_video0 lrwxrwxrwx 1 root root 0 Oct 20 20:10 intel_backlight -> ../../devices/pci0000:00/0000:00:02.0/drm/card0/card0-LVDS-1/intel_backlight I've tried echo'ing something in the brightness file in there. actual_brightness changes to the value I've written in there, but I don't see any visual effect. Eike -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 198 bytes Desc: This is a digitally signed message part. URL: <http://lists.freedesktop.org/archives/intel-gfx/attachments/20121020/6dde48ab/attachment.pgp>
