[Intel-gfx] [PATCH] drm/i915/cnl: Extend HDMI 2.0 support to CNL.

[Rodrigo Vivi]

Starting on GLK we support HDMI 2.0. So this patch only
extend the work Shashank has made to GLK to CNL.

v2: The version that compiles :/
v3: Invert order to newer || older platforms check. (Ville).

Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
Cc: Paulo Zanoni <paulo.r.zanoni at intel.com>
Cc: Shashank Sharma <shashank.sharma at intel.com>
Cc: Manasi Navare <manasi.d.navare at intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi at intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/i915/intel_hdmi.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 2d95db64cdf2..9d5e72728475 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -1235,7 +1235,7 @@ static int intel_hdmi_source_max_tmds_clock(struct intel_encoder *encoder)
 		&dev_priv->vbt.ddi_port_info[encoder->port];
 	int max_tmds_clock;
 
-	if (IS_GEMINILAKE(dev_priv))
+	if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
 		max_tmds_clock = 594000;
 	else if (INTEL_GEN(dev_priv) >= 8 || IS_HASWELL(dev_priv))
 		max_tmds_clock = 300000;
@@ -1511,7 +1511,8 @@ bool intel_hdmi_compute_config(struct intel_encoder *encoder,
 
 	pipe_config->lane_count = 4;
 
-	if (scdc->scrambling.supported && IS_GEMINILAKE(dev_priv)) {
+	if (scdc->scrambling.supported && (INTEL_GEN(dev_priv) >= 10 ||
+					   IS_GEMINILAKE(dev_priv))) {
 		if (scdc->scrambling.low_rates)
 			pipe_config->hdmi_scrambling = true;
 
@@ -2033,7 +2034,7 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
 	connector->doublescan_allowed = 0;
 	connector->stereo_allowed = 1;
 
-	if (IS_GEMINILAKE(dev_priv))
+	if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
 		connector->ycbcr_420_allowed = true;
 
 	intel_hdmi->ddc_bus = intel_hdmi_ddc_pin(dev_priv, port);
-- 
2.13.6