[Intel-gfx] [RFC 1/6] drm/i915/dp: Support DP ports YUV 4:2:0 output to GEN11

[Mun, Gwan-gyeong]

On Fri, 2019-02-08 at 16:24 +0100, Maarten Lankhorst wrote:
> Op 31-01-2019 om 22:10 schreef Gwan-gyeong Mun:
> > Bspec describes that GEN10 only supports capability of YUV 4:2:0
> > output to
> > HDMI port and GEN11 supports capability of YUV 4:2:0 output to both
> > DP and
> > HDMI ports.
> > 
> > Signed-off-by: Gwan-gyeong Mun <gwan-gyeong.mun at intel.com>
> > ---
> >  drivers/gpu/drm/i915/intel_dp.c | 3 +++
> >  1 file changed, 3 insertions(+)
> > 
> > diff --git a/drivers/gpu/drm/i915/intel_dp.c
> > b/drivers/gpu/drm/i915/intel_dp.c
> > index 681e88405ada..ad7382d3be86 100644
> > --- a/drivers/gpu/drm/i915/intel_dp.c
> > +++ b/drivers/gpu/drm/i915/intel_dp.c
> > @@ -6923,6 +6923,9 @@ intel_dp_init_connector(struct
> > intel_digital_port *intel_dig_port,
> >  		connector->interlace_allowed = true;
> >  	connector->doublescan_allowed = 0;
> >  
> > +	 if (INTEL_GEN(dev_priv) >= 11)
> > +		connector->ycbcr_420_allowed = true;
> > +
> >  	intel_encoder->hpd_pin = intel_hpd_pin_default(dev_priv, port);
> >  
> >  	intel_dp_aux_init(intel_dp);
> 
> This should probably be done as last patch (6/6). Otherwise looks
> good.
> 

I will reorder this patch as last patch.

Br,
Gwan-gyeong.

> Reviewed-by: Maarten Lankhorst <maarten.lankhorst at linux.intel.com>
>