On Fri, Jul 11, 2014 at 10:16:30PM +0000, Scot Doyle wrote: > commit c675949ec58ca50d5a3ae3c757892f1560f6e896 > drm/i915: do not setup backlight if not available according to VBT > > caused a regression on the HP Chromebook 14 (with Celeron 2955U CPU), > which has a misconfigured VBT. Apply quirk to ignore the VBT backlight > presence check during backlight setup. > > Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79813 > Signed-off-by: Scot Doyle <lkml14@xxxxxxxxxxxxx> > Tested-by: Stefan Nagy <public@xxxxxxxxxxxxxx> > Cc: Jani Nikula <jani.nikula@xxxxxxxxx> > Cc: Daniel Vetter <daniel.vetter@xxxxxxxx> Picked up for -fixes, thanks for the patch. -Daniel > --- > drivers/gpu/drm/i915/intel_display.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c > index fe6f1db..5d70f02 100644 > --- a/drivers/gpu/drm/i915/intel_display.c > +++ b/drivers/gpu/drm/i915/intel_display.c > @@ -12440,6 +12440,9 @@ static struct intel_quirk intel_quirks[] = { > > /* Toshiba CB35 Chromebook (Celeron 2955U) */ > { 0x0a06, 0x1179, 0x0a88, quirk_backlight_present }, > + > + /* HP Chromebook 14 (Celeron 2955U) */ > + { 0x0a06, 0x103c, 0x21ed, quirk_backlight_present }, > }; > > static void intel_init_quirks(struct drm_device *dev) > -- > 1.7.10.4 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- 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