On Wed, Aug 07, 2013 at 09:26:34AM +0300, Jani Nikula wrote: > On Thu, 25 Jul 2013, Jani Nikula <jani.nikula@xxxxxxxxx> wrote: > > On muxed systems, the other vgaswitcheroo client may depend on i915 to > > handle the backlight. We began switching off the backlight since > > > > commit a261b246ebd552fd5d5a8ed84cc931bb821c427f > > Author: Daniel Vetter <daniel.vetter@xxxxxxxx> > > Date: Thu Jul 26 19:21:47 2012 +0200 > > > > drm/i915: disable all crtcs at suspend time > > > > breaking backlight on discreet graphics in (some) muxed systems. > > > > Keep the backlight on when the state is changed through vgaswitcheroo. > > > > Note: The alternative would be to add a quirk table to achieve the same > > based on system identifiers, but AFAICS it would asymptotically approach > > effectively the same as this patch as more IDs are added, but with the > > maintenance burden of the quirk table. > > > > Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=55311 > > Tested-by: Fede <fedevx@xxxxxxxxx> > Tested-by: Aximab <laurent.debian@xxxxxxxxx> > > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=59785 > > Tested-by: sfievet <sebastien.fievet@xxxxxxx> Picked up for -fixes (with a cc: stable), thanks for the patch. -Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
