On Fri, 03 May 2024, Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> wrote:
> From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
>
> Define the contents of VBT block 20 (OEM Customizable Modes).
> Each entry is either 26 or 28 bytes, depending on the BDB version.
>
> Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
Reviewed-by: Jani Nikula <jani.nikula@xxxxxxxxx>
> ---
> drivers/gpu/drm/i915/display/intel_vbt_defs.h | 24 +++++++++++++++++++
> 1 file changed, 24 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
> index 30d60835e4d0..a61ae39196b1 100644
> --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h
> +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
> @@ -897,6 +897,30 @@ struct bdb_display_remove_old {
> struct display_remove_entry_old table[];
> } __packed;
>
> +/*
> + * Block 20 - OEM Customizable Modes
> + */
> +
> +struct oem_mode {
> + u8 enable_in_vbios:1;
> + u8 enable_in_os:1;
> + u8 enable_in_gop:1; /* 207+ */
> + u8 reserved:5;
> + u8 display_flags; /* ???-216 */
> + u16 x_res;
> + u16 y_res;
> + u8 color_depth;
> + u8 refresh_rate;
> + struct bdb_edid_dtd dtd;
> + u16 display_flags_2; /* 217+ */
> +} __packed;
> +
> +struct bdb_oem_custom {
> + u8 num_entries;
> + u8 entry_size;
> + struct oem_mode modes[];
> +} __packed;
> +
> /*
> * Block 22 - SDVO LVDS General Options
> */
--
Jani Nikula, Intel
