Commit 3e8daf14 authored by Ville Syrjälä's avatar Ville Syrjälä
Browse files

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: default avatarVille Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240605134756.17099-2-ville.syrjala@linux.intel.com


Reviewed-by: default avatarJani Nikula <jani.nikula@intel.com>
parent 80c41477
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+12 −0
Original line number Diff line number Diff line
@@ -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;

/*