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

Maarten Lankhorst
2019-02-08T15:24:30Z

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@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.

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