[PATCH] drm/i915/bios: Define eDP pipe joiner feature for VBT

[Vodapalli, Ravi Kumar]

On 1/8/2025 8:06 PM, Dnyaneshwar Bhadane wrote:
> There is new field "edp pipe joiner feature" size of 2 bytes in the
> eDP VBT block. Each bit represent panel number to be enable/disable
> for this feature.
>
> Default value:
> For ARL platform, 0x0000 to keep the feature disabled by default.
> Xe3lpd onwards, 0xFFFF to keep the feature enable by default by VBT.
>
> Bspec: 20142
> Signed-off-by: Dnyaneshwar Bhadane <dnyaneshwar.bhadane at intel.com>
> ---
>   drivers/gpu/drm/i915/display/intel_vbt_defs.h | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/i915/display/intel_vbt_defs.h b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
> index e9b809568cd4..2fdad5170896 100644
> --- a/drivers/gpu/drm/i915/display/intel_vbt_defs.h
> +++ b/drivers/gpu/drm/i915/display/intel_vbt_defs.h
> @@ -1090,6 +1090,7 @@ struct bdb_edp {
>   	u16 edp_dsc_disable;					/* 251+ */
>   	u16 t6_delay_support;					/* 260+ */
>   	u16 link_idle_time[16];					/* 260+ */
> +	u16 edp_pipe_joiner_feature;				/* 261+ */

Better to add variable when we are actually using it in code.

Regards,
Ravi Kumar V

>   } __packed;
>   
>   /*