drm/i915/bios: Define VBT block 46 (Chromaticity For Narrow Gamut Panel) contents

Define the contents of VBT block 46 (Chromaticity For Narrow Gamut
Panel). One entry per panel.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240503122449.27266-29-ville.syrjala@linux.intel.comReviewed-by: Jani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/i915/display/intel_vbt_defs.h

@@ -178,6 +178,7 @@ enum bdb_block_id {
 	BDB_LFP_BACKLIGHT		= 43,
 	BDB_LFP_POWER			= 44,
 	BDB_EDP_BFI			= 45, /* 160+ */
+	BDB_CHROMATICITY		= 46, /* 169+ */
 	BDB_MIPI_CONFIG			= 52, /* 175+ */
 	BDB_MIPI_SEQUENCE		= 53, /* 177+ */
 	BDB_COMPRESSION_PARAMETERS	= 56, /* 213+ */
@@ -1359,6 +1360,31 @@ struct bdb_edp_bfi {
 	struct edp_bfi bfi[16];
 } __packed;
 
+/*
+ * Block 46 - Chromaticity For Narrow Gamut Panel Configuration Block
+ */
+
+struct chromaticity {
+	u8 chromaticity_enable:1;
+	u8 chromaticity_from_edid_base_block:1;
+	u8 rsvd:6;
+
+	u8 red_green;
+	u8 blue_white;
+	u8 red_x;
+	u8 red_y;
+	u8 green_x;
+	u8 green_y;
+	u8 blue_x;
+	u8 blue_y;
+	u8 white_x;
+	u8 white_y;
+} __packed;
+
+struct bdb_chromaticity {
+	struct chromaticity chromaticity[16];
+} __packed;
+
 /*
  * Block 52 - MIPI Configuration Block
  */