[PATCH 30/35] drm/i915/bios: Define VBT block 55 (RGB Palette Table) contents

Jani Nikula jani.nikula at linux.intel.com
Mon May 6 09:40:42 UTC 2024


On Fri, 03 May 2024, Ville Syrjala <ville.syrjala at linux.intel.com> wrote:
> From: Ville Syrjälä <ville.syrjala at linux.intel.com>
>
> Define the contents of VBT block 55 (RGB Palette Table).
>
> Note that I've not actually seen any real world VBTs with this
> block.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

Reviewed-by: Jani Nikula <jani.nikula at intel.com>

> ---
>  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 8b4f76c54829..50d0d96fca67 100644
> --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h
> +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
> @@ -182,6 +182,7 @@ enum bdb_block_id {
>  	BDB_FIXED_SET_MODE		= 51, /* 172+ */
>  	BDB_MIPI_CONFIG			= 52, /* 175+ */
>  	BDB_MIPI_SEQUENCE		= 53, /* 177+ */
> +	BDB_RGB_PALETTE			= 54, /* 180+ */
>  	BDB_COMPRESSION_PARAMETERS	= 56, /* 213+ */
>  	BDB_GENERIC_DTD			= 58, /* 229+ */
>  	BDB_SKIP			= 254, /* VBIOS only */
> @@ -1423,6 +1424,17 @@ struct bdb_mipi_sequence {
>  	u8 data[]; /* up to 6 variable length blocks */
>  } __packed;
>  
> +/*
> + * Block 55 - RGB Palette Table
> + */
> +
> +struct bdb_rgb_palette {
> +	u8 is_enabled;
> +	u8 red[256];
> +	u8 blue[256];
> +	u8 green[256];
> +} __packed;
> +
>  /*
>   * Block 56 - Compression Parameters
>   */

-- 
Jani Nikula, Intel


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