On Wed, 18 Jun 2014, Daniel Vetter <daniel@xxxxxxxx> wrote: > On Tue, Jun 17, 2014 at 03:47:05PM +0300, Jani Nikula wrote: >> Apparently there are Apple laptops with magic smoke for a VBIOS, which >> we fail to find and use. Default to having and setting up backlight in >> this case. >> >> This fixes a regression introduced by >> commit c675949ec58ca50d5a3ae3c757892f1560f6e896 >> Author: Jani Nikula <jani.nikula@xxxxxxxxx> >> Date: Wed Apr 9 11:31:37 2014 +0300 >> >> drm/i915: do not setup backlight if not available according to VBT >> >> Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=77831 >> Reported-by: Matteo Cypriani <mcy@xxxxxx> >> Cc: stable@xxxxxxxxxxxxxxx # 3.15+ >> Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx> > > Tested-by: Matteo Cypriani <mcy@xxxxxx> Pushed to -fixes with Imre's IRC r-b. BR, Jani. > >> --- >> drivers/gpu/drm/i915/intel_bios.c | 6 +++--- >> 1 file changed, 3 insertions(+), 3 deletions(-) >> >> diff --git a/drivers/gpu/drm/i915/intel_bios.c b/drivers/gpu/drm/i915/intel_bios.c >> index 1ee98f121a00..827498e081df 100644 >> --- a/drivers/gpu/drm/i915/intel_bios.c >> +++ b/drivers/gpu/drm/i915/intel_bios.c >> @@ -315,9 +315,6 @@ parse_lfp_backlight(struct drm_i915_private *dev_priv, struct bdb_header *bdb) >> const struct bdb_lfp_backlight_data *backlight_data; >> const struct bdb_lfp_backlight_data_entry *entry; >> >> - /* Err to enabling backlight if no backlight block. */ >> - dev_priv->vbt.backlight.present = true; >> - >> backlight_data = find_section(bdb, BDB_LVDS_BACKLIGHT); >> if (!backlight_data) >> return; >> @@ -1088,6 +1085,9 @@ init_vbt_defaults(struct drm_i915_private *dev_priv) >> >> dev_priv->vbt.crt_ddc_pin = GMBUS_PORT_VGADDC; >> >> + /* Default to having backlight */ >> + dev_priv->vbt.backlight.present = true; >> + >> /* LFP panel data */ >> dev_priv->vbt.lvds_dither = 1; >> dev_priv->vbt.lvds_vbt = 0; >> -- >> 1.9.1 >> >> _______________________________________________ >> 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 -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
