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From 0299dfa7ad54f95ae9502fc425184f865d326d3b Mon Sep 17 00:00:00 2001
From: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Date: Thu, 19 Sep 2019 22:53:11 +0300
Subject: drm/i915/dp: Attach HDR metadata property to DP connector
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Git-commit: 0299dfa7ad54f95ae9502fc425184f865d326d3b
Patch-mainline: v5.5-rc1
References: bsc#1152489

It attaches HDR metadata property to DP connector on GLK+.
It enables HDR metadata infoframe sdp on GLK+ to be used to send
HDR metadata to DP sink.

v2: Minor style fix

Signed-off-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190919195311.13972-9-gwan-gyeong.mun@intel.com
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index edb95a4cdb21..dd5dc1e38495 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -6570,6 +6570,11 @@ intel_dp_add_properties(struct intel_dp *intel_dp, struct drm_connector *connect
 
 	intel_attach_colorspace_property(connector);
 
+	if (IS_GEMINILAKE(dev_priv) || INTEL_GEN(dev_priv) >= 11)
+		drm_object_attach_property(&connector->base,
+					   connector->dev->mode_config.hdr_output_metadata_property,
+					   0);
+
 	if (intel_dp_is_edp(intel_dp)) {
 		u32 allowed_scalers;
 
-- 
2.28.0