Merge tag 'LA.UM.9.12.r1-15500-SMxx50.QSSI13.0' of... (1988c1a1) · Commits · e / devices / android_kernel_fairphone_FP4

techpack/display/msm/dp/dp_audio.c

+17 −2

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0-only
		/*
		* Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
		* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
		*/

		#include <linux/of_platform.h>
		@@ -292,11 +293,19 @@ static void dp_audio_isrc_sdp(struct dp_audio_private *audio)

		static void dp_audio_setup_sdp(struct dp_audio_private *audio)
		{
		struct sde_edid_ctrl *edid;

		if (!atomic_read(&audio->session_on)) {
		DP_WARN("session inactive\n");
		return;
		}

		if (!audio->panel \|\| !audio->panel->edid_ctrl) {
		DP_ERR("Invalid panel data.");
		return;
		}
		edid = audio->panel->edid_ctrl;

		/* always program stream 0 first before actual stream cfg */
		audio->catalog->stream_id = DP_STREAM_0;
		audio->catalog->config_sdp(audio->catalog);
		@@ -309,9 +318,15 @@ static void dp_audio_setup_sdp(struct dp_audio_private *audio)
		dp_audio_stream_sdp(audio);
		dp_audio_timestamp_sdp(audio);
		dp_audio_infoframe_sdp(audio);

		DP_DEBUG("Sink supports ACP and ISRC: %d",
		edid->hdmi_vsdb.supports_ai);

		if (edid->hdmi_vsdb.supports_ai) {
		dp_audio_copy_management_sdp(audio);
		dp_audio_isrc_sdp(audio);
		}
		}

		static void dp_audio_setup_acr(struct dp_audio_private *audio)
		{

techpack/display/msm/msm_drv.c

+4 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
		*/
		/*
		* Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.
		* Copyright (C) 2013 Red Hat
		@@ -1002,6 +1005,7 @@ static int msm_drm_init(struct device dev, struct drm_driver drv)
		kfree(priv);
		priv_alloc_fail:
		drm_dev_put(ddev);
		platform_set_drvdata(pdev, NULL);
		return ret;
		}

techpack/display/msm/sde_edid_parser.c

+57 −0

Original line number	Diff line number	Diff line
		// SPDX-License-Identifier: GPL-2.0-only
		/*
		* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
		* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
		*/

		#include <drm/drm_edid.h>
		@@ -86,6 +87,21 @@ for ((i) = (start); \
		(i) < (end) && (i) + sde_cea_db_payload_len(&(cea)[(i)]) < (end); \
		(i) += sde_cea_db_payload_len(&(cea)[(i)]) + 1)

		static bool sde_cea_db_is_hdmi_vsdb(const u8 *db)
		{
		int hdmi_id;

		if (sde_cea_db_tag(db) != VENDOR_SPECIFIC_DATA_BLOCK)
		return false;

		if (sde_cea_db_payload_len(db) < 6)
		return false;

		hdmi_id = db[1] \| (db[2] << 8) \| (db[3] << 16);

		return hdmi_id == HDMI_IEEE_OUI;
		}

		static bool sde_cea_db_is_hdmi_hf_vsdb(const u8 *db)
		{
		int hdmi_id;
		@@ -519,6 +535,46 @@ struct sde_edid_ctrl *sde_edid_init(void)
		return edid_ctrl;
		}

		static void _sde_edid_extract_hdmi_vsdb_block(
		struct sde_edid_ctrl *edid_ctrl)
		{
		int i, start, end;
		u8 cea, hdmi;

		memset(&edid_ctrl->hdmi_vsdb, 0, sizeof(edid_ctrl->hdmi_vsdb));

		SDE_EDID_DEBUG("%s +\n", __func__);

		if (!edid_ctrl) {
		SDE_ERROR("invalid input\n");
		goto out;
		}

		cea = sde_find_cea_extension(edid_ctrl->edid);

		if (!cea) {
		SDE_DEBUG("no cea extension\n");
		goto out;
		}

		if (sde_cea_db_offsets(cea, &start, &end))
		goto out;

		sde_for_each_cea_db(cea, i, start, end) {
		if (sde_cea_db_is_hdmi_vsdb(&cea[i])) {
		hdmi = &cea[i];
		edid_ctrl->hdmi_vsdb.supports_ai = hdmi[6] & BIT(7);
		SDE_DEBUG("HDMI VSDB block present");
		break;
		}
		}

		return;
		out:
		SDE_DEBUG("HDMI VSDB block NOT present.");
		}


		void sde_free_edid(void **input)
		{
		struct sde_edid_ctrl edid_ctrl = (struct sde_edid_ctrl )(*input);
		@@ -607,6 +663,7 @@ void sde_parse_edid(void *input)
		sde_edid_extract_vendor_id(edid_ctrl);
		_sde_edid_extract_audio_data_blocks(edid_ctrl);
		_sde_edid_extract_speaker_allocation_data(edid_ctrl);
		_sde_edid_extract_hdmi_vsdb_block(edid_ctrl);
		} else {
		SDE_ERROR("edid not present\n");
		}

techpack/display/msm/sde_edid_parser.h

+9 −0

Original line number	Diff line number	Diff line
		/* SPDX-License-Identifier: GPL-2.0-only */
		/*
		* Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.
		* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
		*/

		#ifndef _SDE_EDID_PARSER_H_
		@@ -44,6 +45,13 @@ enum extended_data_block_types {
		#define SDE_EDID_DEBUG(fmt, args...) SDE_DEBUG(fmt, ##args)
		#endif

		/* TODO: Add respective extension fields of HDMI VSDB block.
		* Fields shall be populated using "sde_edid_extract_hdmi_vsdb_block" function.
		*/
		struct sink_hdmi_vsdb_block {
		bool supports_ai;
		};

		/*
		* struct hdmi_edid_hdr_data - HDR Static Metadata
		* @eotf: Electro-Optical Transfer Function
		@@ -83,6 +91,7 @@ struct sde_edid_ctrl {
		char vendor_id[EDID_VENDOR_ID_SIZE];
		struct sde_edid_sink_caps sink_caps;
		struct sde_edid_hdr_data hdr_data;
		struct sink_hdmi_vsdb_block hdmi_vsdb;
		};

		/**