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

[Bhadane, Dnyaneshwar]

> -----Original Message-----
> From: Jani Nikula <jani.nikula at linux.intel.com>
> Sent: Wednesday, January 8, 2025 10:31 PM
> To: Bhadane, Dnyaneshwar <dnyaneshwar.bhadane at intel.com>; intel-
> gfx at lists.freedesktop.org
> Cc: Bhadane, Dnyaneshwar <dnyaneshwar.bhadane at intel.com>
> Subject: Re: [PATCH] drm/i915/bios: Define eDP pipe joiner feature for VBT
> 
> On Wed, 08 Jan 2025, Dnyaneshwar Bhadane
> <dnyaneshwar.bhadane at intel.com> 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>
> 
> The patch does it ways, so...
> 
> Reviewed-by: Jani Nikula <jani.nikula at intel.com>
> 
> ...but are you going to use the info for something?

It was just to note for the future use. Thanks.

Regards, 
Dnyaneshwar
> 
> BR,
> Jani.
> 
> 
> > ---
> >  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+ */
> >  } __packed;
> >
> >  /*
> 
> --
> Jani Nikula, Intel