From 3e8daf14c47d79a35a4ad69d12f5a9b6450e9ecd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ville=20Syrj=C3=A4l=C3=A4?= Date: Wed, 5 Jun 2024 16:47:56 +0300 Subject: drm/i915/bios: Define the "luminance and gamma" sub-struct of block 46 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 --- 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; /* -- cgit v1.2.3