commit 898b1bf8d0b80c7e39eb5f15ac92d2ed56917708
author Ping Li <pingli@codeaurora.org> Thu Feb 09 18:03:28 2017 -0800
committer Ping Li <pingli@codeaurora.org> Thu Mar 23 12:02:03 2017 -0700
tree c3da68de4a9228aabc63a4d885c41db027aa6122
parent defea4e88c3efed8a5e27487114057b270870d17

drm/msm/sde: Add chromaticity values for HDR support

Add WRGB chromaticity values, peak brightness and blackness
level to panel information. This change also adds method to
parse these parameters from device tree and exposes them as
connector property.

Change-Id: I30dcebed85406a933afd007e56014c668901459e
Signed-off-by: Ping Li <pingli@codeaurora.org>

drivers/gpu/drm/msm/sde/sde_connector.c

diff --git a/drivers/gpu/drm/msm/sde/sde_connector.c b/drivers/gpu/drm/msm/sde/sde_connector.c
index 92b7e5d..9caadca 100644
--- a/drivers/gpu/drm/msm/sde/sde_connector.c
+++ b/drivers/gpu/drm/msm/sde/sde_connector.c
@@ -17,6 +17,7 @@
 #include "sde_connector.h"
 #include <linux/backlight.h>
 #include "dsi_drm.h"
+#include "dsi_display.h"
 
 #define BL_NODE_NAME_SIZE 32
 
@@ -227,6 +228,8 @@
 
 	if (c_conn->blob_caps)
 		drm_property_unreference_blob(c_conn->blob_caps);
+	if (c_conn->blob_hdr)
+		drm_property_unreference_blob(c_conn->blob_hdr);
 	msm_property_destroy(&c_conn->property_info);
 
 	drm_connector_unregister(connector);
@@ -666,6 +669,7 @@
 	struct sde_kms *sde_kms;
 	struct sde_kms_info *info;
 	struct sde_connector *c_conn = NULL;
+	struct dsi_display *dsi_display;
 	int rc;
 
 	if (!dev || !dev->dev_private || !encoder) {
@@ -781,6 +785,23 @@
 		kfree(info);
 	}
 
+	if (connector_type == DRM_MODE_CONNECTOR_DSI) {
+		dsi_display = (struct dsi_display *)(display);
+		if (dsi_display && dsi_display->panel &&
+			dsi_display->panel->hdr_props.hdr_enabled == true) {
+			msm_property_install_blob(&c_conn->property_info,
+				"hdr_properties",
+				DRM_MODE_PROP_IMMUTABLE,
+				CONNECTOR_PROP_HDR_INFO);
+
+			msm_property_set_blob(&c_conn->property_info,
+				&c_conn->blob_hdr,
+				&dsi_display->panel->hdr_props,
+				sizeof(dsi_display->panel->hdr_props),
+				CONNECTOR_PROP_HDR_INFO);
+		}
+	}
+
 	msm_property_install_range(&c_conn->property_info, "RETIRE_FENCE",
 			0x0, 0, INR_OPEN_MAX, 0, CONNECTOR_PROP_RETIRE_FENCE);
 
@@ -810,6 +831,8 @@
 error_destroy_property:
 	if (c_conn->blob_caps)
 		drm_property_unreference_blob(c_conn->blob_caps);
+	if (c_conn->blob_hdr)
+		drm_property_unreference_blob(c_conn->blob_hdr);
 	msm_property_destroy(&c_conn->property_info);
 error_cleanup_fence:
 	sde_fence_deinit(&c_conn->retire_fence);