Hi Igor, On 01/18/2014 09:54 PM, Igor Gnatenko wrote: > From: Aaron Lu <aaron.lu@xxxxxxxxx> > > Some system's ACPI video backlight control interface is broken and the > native backlight control interface should be used by default. This patch > sets the use_native_backlight parameter to true for those systems so > that video backlight control interface will not be created. To be > specific, the ThinkPad T430s/X230/X1 Carbon, Lenovo Yoga 13, Dell > Inspiron 7520, Acer Aspire 5733Z and HP ProBook 4340s are added here, > if they appear in some other DMI table before, they are removed from there. > > Note that the user specified kernel cmdline option will always have the > highest priority, i.e. if use_native_backlight=0 is specified and the > system is in the DMI table, the video module will not skip registering > backlight interface for it. > > Thinkpad T430s: > Reported-by: Theodore Tso <tytso@xxxxxxx> > Reported-and-tested-by: Peter Weber <bugs@xxxxxxxxxxxx> > Reference: https://bugzilla.kernel.org/show_bug.cgi?id=51231 > Thinkpad X230: > Reported-and-tested-by: Igor Gnatenko <i.gnatenko.brain@xxxxxxxxx> > Reference: https://bugzilla.kernel.org/show_bug.cgi?id=51231 > ThinkPad X1 Carbon: > Reported-and-tested-by: Igor Gnatenko <i.gnatenko.brain@xxxxxxxxx> > Lenovo Yoga 13: > Reported-by: Lennart Poettering <lennart@xxxxxxxxxxxxxx> > Reported-and-tested-by: Kevin Smith <thirdwiggin@xxxxxxxxx> > Reference: https://bugzilla.kernel.org/show_bug.cgi?id=63811 > Dell Inspiron 7520: > Reported-by: Rinat Ibragimov <ibragimovrinat@xxxxxxx> > Acer Aspire 5733Z: > Reported-by: <sov.info@xxxxxxx> > Reference: https://bugzilla.kernel.org/show_bug.cgi?id=62941 > HP ProBook 4340s: > Reported-and-tested-by: Vladimir Sherenkov <a_12300@xxxxxxx> > Reference: http://redmine.russianfedora.pro/issues/1258 > > Signed-off-by: Aaron Lu <aaron.lu@xxxxxxxxx> > Signed-off-by: Igor Gnatenko <i.gnatenko.brain@xxxxxxxxx> Thanks for updating this patch. In the meantime, I plan to make some small modifications to this patch in next revision: 1 remove the win8 OSI check, I've seen win7 laptops that also needs to have only the GPU interface left and checking win8 doesn't make much sense now; 2 add more entries for laptops that appeared in bugzilla recently. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
