From 5e914f00e21ec2417675adb845bd287d88c14cec Mon Sep 17 00:00:00 2001
From: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Date: Tue, 11 Feb 2020 09:46:42 +0200
Subject: drm/i915/dp: Add compute routine for DP HDR Metadata Infoframe SDP
Git-commit: d1eed96dcb60b798418ab7554bcedf33fccc17ef
Patch-mainline: v5.8-rc1
References: jsc#SLE-12680, jsc#SLE-12880, jsc#SLE-12882, jsc#SLE-12883, jsc#SLE-13496, jsc#SLE-15322

It stores computed dp hdr metadata infoframe sdp to infoframes.drm of
crtc state. It referenced intel_hdmi_compute_drm_infoframe().

While computing, we'll also fill out the infoframes.enable bitmask
appropriately.

v2: Wrap a long line.
v4: Use struct drm_device logging macros
v5: Fix typo [Uma]

Signed-off-by: Gwan-gyeong Mun <gwan-gyeong.mun@intel.com>
Reviewed-by: Uma Shankar <uma.shankar@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200211074657.231405-4-gwan-gyeong.mun@intel.com
Signed-off-by: Patrik Jakobsson <pjakobsson@suse.de>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index bbebd1260238..3af0fc45b7f7 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -2494,6 +2494,29 @@ static void intel_dp_compute_vsc_sdp(struct intel_dp *intel_dp,
 					 &crtc_state->infoframes.vsc);
 }
 
+static void
+intel_dp_compute_hdr_metadata_infoframe_sdp(struct intel_dp *intel_dp,
+					    struct intel_crtc_state *crtc_state,
+					    const struct drm_connector_state *conn_state)
+{
+	int ret;
+	struct drm_i915_private *dev_priv = dp_to_i915(intel_dp);
+	struct hdmi_drm_infoframe *drm_infoframe = &crtc_state->infoframes.drm.drm;
+
+	if (!conn_state->hdr_output_metadata)
+		return;
+
+	ret = drm_hdmi_infoframe_set_hdr_metadata(drm_infoframe, conn_state);
+
+	if (ret) {
+		drm_dbg_kms(&dev_priv->drm, "couldn't set HDR metadata in infoframe\n");
+		return;
+	}
+
+	crtc_state->infoframes.enable |=
+		intel_hdmi_infoframe_enable(HDMI_PACKET_TYPE_GAMUT_METADATA);
+}
+
 int
 intel_dp_compute_config(struct intel_encoder *encoder,
 			struct intel_crtc_state *pipe_config,
@@ -2600,6 +2623,7 @@ intel_dp_compute_config(struct intel_encoder *encoder,
 
 	intel_psr_compute_config(intel_dp, pipe_config);
 	intel_dp_compute_vsc_sdp(intel_dp, pipe_config, conn_state);
+	intel_dp_compute_hdr_metadata_infoframe_sdp(intel_dp, pipe_config, conn_state);
 
 	return 0;
 }
-- 
2.28.0