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Commit e86e6c91 authored by Xiaowen Wu's avatar Xiaowen Wu Committed by Gerrit - the friendly Code Review server
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drm/msm/dp: add display-type support in dp 



Add display-type in connector's capability blob for DP-SST and
fixed-topology DP-MST. This allows user to configure DP as primary
display.

Change-Id: Ib5f6d9d72e8c42f88d38e06ed504848b8fc52029
Signed-off-by: default avatarXiaowen Wu <wxiaowen@codeaurora.org>
parent b2bd8f9e

drivers/gpu/drm/msm/dp/dp_display.c

+43 −0
Original line number Diff line number Diff line
@@ -2629,6 +2629,46 @@ static void dp_display_wakeup_phy_layer(struct dp_display *dp_display, 
		hpd->wakeup_phy(hpd, wakeup);

}



static int dp_display_get_display_type(struct dp_display *dp_display,

		const char **display_type)

{

	struct dp_display_private *dp;



	if (!dp_display || !display_type) {

		pr_err("invalid input\n");

		return -EINVAL;

	}



	dp = container_of(dp_display, struct dp_display_private, dp_display);



	*display_type = dp->parser->display_type;



	return 0;

}



static int dp_display_mst_get_fixed_topology_display_type(

		struct dp_display *dp_display, u32 strm_id,

		const char **display_type)

{

	struct dp_display_private *dp;



	if (!dp_display || !display_type) {

		pr_err("invalid input\n");

		return -EINVAL;

	}



	if (strm_id >= DP_STREAM_MAX) {

		pr_err("invalid stream id:%d\n", strm_id);

		return -EINVAL;

	}



	dp = container_of(dp_display, struct dp_display_private, dp_display);



	*display_type = dp->parser->mst_fixed_display_type[strm_id];



	return 0;

}



static int dp_display_probe(struct platform_device *pdev)

{

	int rc = 0;
@@ -2707,6 +2747,9 @@ static int dp_display_probe(struct platform_device *pdev) 
					dp_display_mst_get_fixed_topology_port;

	g_dp_display->wakeup_phy_layer =

					dp_display_wakeup_phy_layer;

	g_dp_display->get_display_type = dp_display_get_display_type;

	g_dp_display->mst_get_fixed_topology_display_type =

				dp_display_mst_get_fixed_topology_display_type;



	rc = component_add(&pdev->dev, &dp_display_comp_ops);

	if (rc) {

drivers/gpu/drm/msm/dp/dp_display.h

+5 −0
Original line number Diff line number Diff line
@@ -130,6 +130,11 @@ struct dp_display { 
			struct drm_connector *connector, char *pps_cmd);

	void (*wakeup_phy_layer)(struct dp_display *dp_display,

			bool wakeup);

	int (*get_display_type)(struct dp_display *dp_display,

			const char **display_type);

	int (*mst_get_fixed_topology_display_type)(

			struct dp_display *dp_display, u32 strm_id,

			const char **display_type);

};



int dp_display_get_num_of_displays(void);

drivers/gpu/drm/msm/dp/dp_drm.c

+13 −0
Original line number Diff line number Diff line
@@ -532,6 +532,19 @@ int dp_connector_get_modes(struct drm_connector *connector, 
	return rc;

}



int dp_connnector_set_info_blob(struct drm_connector *connector,

		void *info, void *display, struct msm_mode_info *mode_info)

{

	struct dp_display *dp_display = display;

	const char *display_type = NULL;



	dp_display->get_display_type(dp_display, &display_type);

	sde_kms_info_add_keystr(info,

		"display type", display_type);



	return 0;

}



int dp_drm_bridge_init(void *data, struct drm_encoder *encoder)

{

	int rc = 0;

drivers/gpu/drm/msm/dp/dp_drm.h

+12 −1
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.

 * Copyright (c) 2017-2019, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -114,6 +114,17 @@ int dp_connector_get_info(struct drm_connector *connector, 
 */

void dp_connector_post_open(struct drm_connector *connector, void *display);



/**

 * dp_conn_set_info_blob - callback to perform info blob initialization

 * @connector: Pointer to drm connector structure

 * @info: Pointer to sde connector info structure

 * @display: Pointer to private display handle

 * @mode_info: Pointer to mode info structure

 * Returns: Zero on success

 */

int dp_connnector_set_info_blob(struct drm_connector *connector,

		void *info, void *display, struct msm_mode_info *mode_info);



int dp_drm_bridge_init(void *display,

	struct drm_encoder *encoder);

drivers/gpu/drm/msm/dp/dp_mst_drm.c

+26 −1
Original line number Diff line number Diff line
@@ -1706,12 +1706,37 @@ static void dp_mst_destroy_fixed_connector(struct drm_dp_mst_topology_mgr *mgr, 
	dp_mst_destroy_connector(mgr, connector);

}



static int dp_mst_fixed_connnector_set_info_blob(

		struct drm_connector *connector,

		void *info, void *display, struct msm_mode_info *mode_info)

{

	struct sde_connector *c_conn = to_sde_connector(connector);

	struct dp_display *dp_display = display;

	struct dp_mst_private *mst = dp_display->dp_mst_prv_info;

	const char *display_type = NULL;

	int i;



	for (i = 0; i < MAX_DP_MST_DRM_BRIDGES; i++) {

		if (mst->mst_bridge[i].base.encoder != c_conn->encoder)

			continue;



		dp_display->mst_get_fixed_topology_display_type(dp_display,

			mst->mst_bridge[i].id, &display_type);

		sde_kms_info_add_keystr(info,

			"display type", display_type);



		break;

	}



	return 0;

}



static struct drm_connector *

dp_mst_drm_fixed_connector_init(struct dp_display *dp_display,

			struct drm_encoder *encoder)

{

	static const struct sde_connector_ops dp_mst_connector_ops = {

		.post_init  = NULL,

		.set_info_blob = dp_mst_fixed_connnector_set_info_blob,

		.detect     = dp_mst_fixed_connector_detect,

		.get_modes  = dp_mst_connector_get_modes,

		.mode_valid = dp_mst_connector_mode_valid,