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Commit 2836a8a1 authored by Venkata Prahlad Valluru's avatar Venkata Prahlad Valluru Committed by Chirag Khurana
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drm/msm/dsi-staging: skip regulator configuration for external bridge 



For external bridges regulators are controlled by bridge driver.

Change-Id: I66ac576da2c6f1f451a5a8d14c39671d0c3290ba
Signed-off-by: default avatarVenkata Prahlad Valluru <vvalluru@codeaurora.org>
Signed-off-by: default avatarChirag Khurana <ckhurana@codeaurora.org>
parent 912e8078

drivers/gpu/drm/msm/dsi-staging/dsi_display.c

+13 −14
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2016-2020, The Linux Foundation. All rights reserved.

 * Copyright (c) 2016-2021, 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
@@ -4422,12 +4422,6 @@ int dsi_display_cont_splash_config(void *dsi_display) 
		return -EINVAL;

	}



	/* Continuous splash not supported by external bridge */

	if (dsi_display_has_ext_bridge(display)) {

		display->is_cont_splash_enabled = false;

		return 0;

	}



	mutex_lock(&display->display_lock);



	/* Vote for gdsc required to read register address space */
@@ -4470,14 +4464,19 @@ int dsi_display_cont_splash_config(void *dsi_display) 
		goto clk_manager_update;

	}



	/* Vote on panel regulator will be removed during suspend path */

	rc = dsi_pwr_enable_regulator(&display->panel->power_info, true);

	/* For external bridge, regulators are managed by bridge driver */

	if (!dsi_display_has_ext_bridge(display)) {

		/* Vote on panel regulator will be removed

		 * during suspend path

		 */

		rc = dsi_pwr_enable_regulator(&display->panel->power_info,

				true);

		if (rc) {

			pr_err("[%s] failed to enable vregs, rc=%d\n",

					display->panel->name, rc);

			goto clks_disabled;

		}



	}

	dsi_config_host_engine_state_for_cont_splash(display);

	mutex_unlock(&display->display_lock);