[PATCH] drm:i915:display: add checks for Gen9 devices with hdr capability

[Vipin Anand]

this patch adds hdr capabilities checks for Gen9 devices with
lspcon support.

Signed-off-by: Vipin Anand <vipin.anand at intel.com>
---
 drivers/gpu/drm/i915/display/intel_hdmi.c   | 17 +++++++++++++----
 drivers/gpu/drm/i915/display/intel_lspcon.c |  9 +++++++--
 2 files changed, 20 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_hdmi.c b/drivers/gpu/drm/i915/display/intel_hdmi.c
index 9ae2f88cc925..70d0d76ed606 100644
--- a/drivers/gpu/drm/i915/display/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/display/intel_hdmi.c
@@ -833,9 +833,12 @@ intel_hdmi_compute_drm_infoframe(struct intel_encoder *encoder,
 {
 	struct hdmi_drm_infoframe *frame = &crtc_state->infoframes.drm.drm;
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
+	struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
 	int ret;
 
-	if (!(INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv)))
+	if (!(INTEL_GEN(dev_priv) >= 10 ||
+	      (((INTEL_GEN(dev_priv) >= 9)) &&
+	      intel_dig_port->lspcon.active)))
 		return true;
 
 	if (!crtc_state->has_infoframe)
@@ -2102,9 +2105,12 @@ static int intel_hdmi_source_max_tmds_clock(struct intel_encoder *encoder)
 	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
 	const struct ddi_vbt_port_info *info =
 		&dev_priv->vbt.ddi_port_info[encoder->port];
+	struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
 	int max_tmds_clock;
 
-	if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
+	if (INTEL_GEN(dev_priv) >= 10 ||
+	    (((INTEL_GEN(dev_priv) >= 9)) &&
+			 intel_dig_port->lspcon.active))
 		max_tmds_clock = 594000;
 	else if (INTEL_GEN(dev_priv) >= 8 || IS_HASWELL(dev_priv))
 		max_tmds_clock = 300000;
@@ -2423,6 +2429,7 @@ int intel_hdmi_compute_config(struct intel_encoder *encoder,
 	struct intel_digital_connector_state *intel_conn_state =
 		to_intel_digital_connector_state(conn_state);
 	bool force_dvi = intel_conn_state->force_audio == HDMI_AUDIO_OFF_DVI;
+	struct intel_digital_port *intel_dig_port = enc_to_dig_port(encoder);
 	int ret;
 
 	if (adjusted_mode->flags & DRM_MODE_FLAG_DBLSCAN)
@@ -2469,7 +2476,8 @@ int intel_hdmi_compute_config(struct intel_encoder *encoder,
 	pipe_config->lane_count = 4;
 
 	if (scdc->scrambling.supported && (INTEL_GEN(dev_priv) >= 10 ||
-					   IS_GEMINILAKE(dev_priv))) {
+					   (((INTEL_GEN(dev_priv) >= 9)) &&
+					    intel_dig_port->lspcon.active))) {
 		if (scdc->scrambling.low_rates)
 			pipe_config->hdmi_scrambling = true;
 
@@ -3171,7 +3179,8 @@ void intel_hdmi_init_connector(struct intel_digital_port *intel_dig_port,
 	connector->doublescan_allowed = 0;
 	connector->stereo_allowed = 1;
 
-	if (INTEL_GEN(dev_priv) >= 10 || IS_GEMINILAKE(dev_priv))
+	if (INTEL_GEN(dev_priv) >= 10 ||
+	    (((INTEL_GEN(dev_priv) >= 9)) && intel_dig_port->lspcon.active))
 		connector->ycbcr_420_allowed = true;
 
 	intel_encoder->hpd_pin = intel_hpd_pin_default(dev_priv, port);
diff --git a/drivers/gpu/drm/i915/display/intel_lspcon.c b/drivers/gpu/drm/i915/display/intel_lspcon.c
index 5cede4f07f22..be074acd74f3 100644
--- a/drivers/gpu/drm/i915/display/intel_lspcon.c
+++ b/drivers/gpu/drm/i915/display/intel_lspcon.c
@@ -116,6 +116,8 @@ static bool lspcon_detect_hdr_capability(struct intel_lspcon *lspcon)
 	if (lspcon->vendor == LSPCON_VENDOR_MCA)
 		ret = drm_dp_dpcd_read(&dp->aux, DPCD_MCA_LSPCON_HDR_STATUS,
 				       &hdr_caps, 1);
+	else if (lspcon->vendor == LSPCON_VENDOR_PARADE)
+		return true;
 	else
 		return false;
 
@@ -474,7 +476,8 @@ void lspcon_write_infoframe(struct intel_encoder *encoder,
 	 * Todo: Add support for Parade later
 	 */
 	if (type == HDMI_PACKET_TYPE_GAMUT_METADATA &&
-	    lspcon->vendor != LSPCON_VENDOR_MCA)
+		(lspcon->vendor != LSPCON_VENDOR_MCA ||
+		 lspcon->vendor != LSPCON_VENDOR_PARADE))
 		return;
 
 	if (lspcon->vendor == LSPCON_VENDOR_MCA) {
@@ -646,7 +649,9 @@ bool lspcon_init(struct intel_digital_port *intel_dig_port)
 		return false;
 	}
 
-	if (lspcon->vendor == LSPCON_VENDOR_MCA && lspcon->hdr_supported)
+	if ((lspcon->vendor == LSPCON_VENDOR_MCA ||
+	     lspcon->vendor == LSPCON_VENDOR_PARADE) &&
+	     lspcon->hdr_supported)
 		drm_object_attach_property(&connector->base,
 					   connector->dev->mode_config.hdr_output_metadata_property,
 					   0);
-- 
2.26.0