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Commit 646b456b authored by Govinda Rajulu Chenna's avatar Govinda Rajulu Chenna
Browse files

drm/msm/dp: add debugfs node for max_lclk_khz 



Add debugfs node to read/write max_lclk_khz to validate
different link clock configurations dynamically with the
device that supports more than one link clock frequency.

CRs-Fixed: 2372619
Change-Id: I11b7860e601fa087e7fd31894fb9cec379bdf639
Signed-off-by: default avatarGovinda Rajulu Chenna <gchenna@codeaurora.org>
parent bb8d2ec5

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

+9 −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
@@ -1951,6 +1951,14 @@ static int dp_debug_init(struct dp_debug *dp_debug) 
		       DEBUG_NAME, rc);

	}



	file = debugfs_create_u32("max_lclk_khz", 0644, dir,

			&debug->parser->max_lclk_khz);

	if (IS_ERR_OR_NULL(file)) {

		rc = PTR_ERR(file);

		pr_err("[%s] debugfs max_lclk_khz failed, rc=%d\n",

		       DEBUG_NAME, rc);

	}



	return 0;



error_remove_dir: