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drm/i915/bios: Define the "luminance and gamma" sub-struct of block 46

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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@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240605134756.17099-2-ville.syrjala@linux.intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Ville Syrjälä 2024-06-05 16:47:56 +03:00
parent 80c414772d
commit 3e8daf14c4
1 changed files with 12 additions and 0 deletions
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12
drivers/gpu/drm/i915/display/intel_vbt_defs.h
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@ -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;
/*