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

Gwan-gyeong Mun
2019-01-31T21:10:49Z

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);
--
2.20.1