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Commit dd19b3c2 authored by Rajat Gupta's avatar Rajat Gupta
Browse files

disp: msm: dp: Update correct count for mst encoder count 



sde_encoder_init is failing due to wrong number of stream
counts while intializing encoders for mst. Added no_mst_encoder
property to return correct number of mst encoders.

Change-Id: I2126f6308feb72478c09bae656e2499fa8414945
Signed-off-by: default avatarRajat Gupta <rajatgu@codeaurora.org>
parent 06ee4c17

msm/dp/dp_display.c

+4 −0
Original line number Diff line number Diff line
@@ -1576,6 +1576,7 @@ static int dp_init_sub_modules(struct dp_display_private *dp) 
	}



	g_dp_display->is_mst_supported = dp->parser->has_mst;

	g_dp_display->no_mst_encoder = dp->parser->no_mst_encoder;



	dp->catalog = dp_catalog_get(dev, dp->parser);

	if (IS_ERR(dp->catalog)) {
@@ -3130,6 +3131,9 @@ int dp_display_get_num_of_displays(void) 


int dp_display_get_num_of_streams(void)

{

	if (g_dp_display->no_mst_encoder)

		return 0;



	return DP_STREAM_MAX;

}

msm/dp/dp_display.h

+2 −1
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) 2017-2020, The Linux Foundation. All rights reserved.

 */



#ifndef _DP_DISPLAY_H_
@@ -70,6 +70,7 @@ struct dp_display { 
	bool is_sst_connected;

	bool is_mst_supported;

	u32 max_pclk_khz;

	u32 no_mst_encoder;

	void *dp_mst_prv_info;



	int (*enable)(struct dp_display *dp_display, void *panel);

msm/dp/dp_parser.c

+5 −1
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.

 * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved.

 */



#include <linux/of_gpio.h>
@@ -706,6 +706,10 @@ static int dp_parser_mst(struct dp_parser *parser) 


	parser->has_mst = of_property_read_bool(dev->of_node,

			"qcom,mst-enable");



	parser->no_mst_encoder = of_property_read_bool(dev->of_node,

			"qcom,no-mst-encoder");



	parser->has_mst_sideband = parser->has_mst;



	DP_DEBUG("mst parsing successful. mst:%d\n", parser->has_mst);

msm/dp/dp_parser.h

+3 −1
Original line number Diff line number Diff line 
/* SPDX-License-Identifier: GPL-2.0-only */

/*

 * Copyright (c) 2012-2019, The Linux Foundation. All rights reserved.

 * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved.

 */



#ifndef _DP_PARSER_H_
@@ -190,6 +190,7 @@ static inline char *dp_phy_aux_config_type_to_string(u32 cfg_type) 
 * @has_mst: MST feature enable status

 * @has_mst_sideband: MST sideband feature enable status

 * @no_aux_switch: presence AUX switch status

 * @no_mst_encoder: only one dp interface available

 * @gpio_aux_switch: presence GPIO AUX switch status

 * @dsc_feature_enable: DSC feature enable status

 * @fec_feature_enable: FEC feature enable status
@@ -219,6 +220,7 @@ struct dp_parser { 
	bool has_mst;

	bool has_mst_sideband;

	bool no_aux_switch;

	bool no_mst_encoder;

	bool dsc_feature_enable;

	bool fec_feature_enable;

	bool has_widebus;

msm/sde/sde_kms.c

+1 −0
Original line number Diff line number Diff line
@@ -1620,6 +1620,7 @@ static int _sde_kms_setup_displays(struct drm_device *dev, 


		/* update display cap to MST_MODE for DP MST encoders */

		info.capabilities |= MSM_DISPLAY_CAP_MST_MODE;

		sde_kms->dp_stream_count = dp_display_get_num_of_streams();

		for (idx = 0; idx < sde_kms->dp_stream_count; idx++) {

			info.h_tile_instance[0] = idx;

			encoder = sde_encoder_init(dev, &info);