Altough Keith's idea is very good I tested here with many systems that are already working nowadays and it didn't break anything. Including atom at 945gme, ironlake, sandybridge and ivybridge... including single and dual channel modes... Tested-by: Rodrigo Vivi <rodrigo.vivi at gmail.com> On Tue, Mar 20, 2012 at 11:57 AM, Keith Packard <keithp at keithp.com> wrote: > <#part sign=pgpmime> > On Tue, 20 Mar 2012 13:04:41 +0100, Takashi Iwai <tiwai at suse.de> wrote: > >> Since checking the lid state is tricky and unreliable, the practical >> check would be simply reading the first LVDS reg and seeing whether it >> was initialized or not. ?It seems that it reads to 0x02 when booted >> with the lid close, which is LVDS_DETECTED bit. > > Right, lid-detect is not useful, so I suggested using the new code path > only if the LVDS was *not* actually running at startup time. That should > avoid almost all common cases that work correctly today. > > -- > keith.packard at intel.com > _______________________________________________ > Intel-gfx mailing list > Intel-gfx at lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Rodrigo Vivi Blog: http://blog.vivi.eng.br GPG: 0x905BE242 @ wwwkeys.pgp.net
