On Wed, 05 Jun 2024, Ville Syrjala <[email protected]> wrote: > From: Ville Syrjälä <[email protected]> > > Since BDB version 211 block 46 has included more luminance and > gamma related information. Define it fully. The data is semi-based > on DisplayID v2.0 apparently. > > Signed-off-by: Ville Syrjälä <[email protected]>
Reviewed-by: Jani Nikula <[email protected]> > --- > drivers/gpu/drm/i915/display/intel_vbt_defs.h | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h > b/drivers/gpu/drm/i915/display/intel_vbt_defs.h > index da8694771f69..1af8407e2081 100644 > --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h > +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h > @@ -1395,8 +1395,20 @@ struct chromaticity { > u8 white_y_hi; > } __packed; > > +struct luminance_and_gamma { > + u8 luminance_enable:1; /* 211+ > */ > + u8 gamma_enable:1; /* 211+ > */ > + u8 rsvd:6; > + > + u16 min_luminance; /* 211+ > */ > + u16 max_luminance; /* 211+ > */ > + u16 one_percent_max_luminance; /* 211+ > */ > + u8 gamma; /* 211+ > */ > +} __packed; > + > struct bdb_chromaticity { > struct chromaticity chromaticity[16]; > + struct luminance_and_gamma luminance_and_gamma[16]; /* 211+ > */ > } __packed; > > /* -- Jani Nikula, Intel
