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Commit cbde86ea authored by Nilaan Gunabalachandran's avatar Nilaan Gunabalachandran
Browse files

disp: msm: sde: add tracking for if perf_mode is changed 



Perf tuning mode can be updated through debugfs and this should
be used to reflect the core clock rate.

Change-Id: I313d079f0b8013f43f4b293c6400f34eaf56b6d2
Signed-off-by: default avatarNilaan Gunabalachandran <ngunabal@codeaurora.org>
parent df172c1e

msm/sde/sde_core_perf.c

+8 −1
Original line number Diff line number Diff line
@@ -842,12 +842,18 @@ static void _sde_core_perf_crtc_update_check(struct drm_crtc *crtc, 
		}

	}



	if (kms->perf.perf_tune.mode_changed &&

			kms->perf.perf_tune.min_core_clk)

		new->core_clk_rate = kms->perf.perf_tune.min_core_clk;



	if ((params_changed &&

			(new->core_clk_rate > old->core_clk_rate)) ||

			(!params_changed && new->core_clk_rate &&

			(new->core_clk_rate < old->core_clk_rate))) {

			(new->core_clk_rate < old->core_clk_rate)) ||

			kms->perf.perf_tune.mode_changed) {

		old->core_clk_rate = new->core_clk_rate;

		*update_clk = 1;

		kms->perf.perf_tune.mode_changed = false;

	}

}
@@ -1069,6 +1075,7 @@ static ssize_t _sde_core_perf_mode_write(struct file *file, 
		DRM_INFO("normal performance mode\n");

	}

	perf->perf_tune.mode = perf_mode;

	perf->perf_tune.mode_changed = true;



	return count;

}

msm/sde/sde_core_perf.h

+3 −1
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) 2016-2020, The Linux Foundation. All rights reserved.

 */



#ifndef _SDE_CORE_PERF_H_
@@ -47,11 +47,13 @@ struct sde_core_perf_params { 
 * @mode: performance mode

 * @min_core_clk: minimum core clock

 * @min_bus_vote: minimum bus vote

 * @mode_changed: indicate if clock tuning strategy changed

 */

struct sde_core_perf_tune {

	u32 mode;

	u64 min_core_clk;

	u64 min_bus_vote;

	bool mode_changed;

};



/**