From: Ville Syrjälä Date: Wed, 5 Jun 2024 13:47:56 +0000 (+0300) Subject: drm/i915/bios: Define the "luminance and gamma" sub-struct of block 46 X-Git-Tag: v6.11-rc1~141^2~20^2~86 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=3e8daf14c47d79a35a4ad69d12f5a9b6450e9ecd;p=thirdparty%2Flinux.git drm/i915/bios: Define the "luminance and gamma" sub-struct of block 46 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 Link: https://patchwork.freedesktop.org/patch/msgid/20240605134756.17099-2-ville.syrjala@linux.intel.com Reviewed-by: Jani Nikula --- diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h index da8694771f699..1af8407e2081d 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; /*