On Wed, 05 Jun 2024, Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> 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 <ville.syrjala@xxxxxxxxxxxxxxx>
Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
> ---
> 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
