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Commit 7e3715d2 authored by Raghu Ananya Arabolu's avatar Raghu Ananya Arabolu
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msm: kgsl: Set select register for power counter selection 



Write power countable value into the select register.

Change-Id: Ic648b6df009f91de0d2e9bee8ac0dd3aa711ccb1
Signed-off-by: default avatarRaghu Ananya Arabolu <rarabolu@codeaurora.org>
parent c322c2b7

drivers/gpu/msm/a6xx_reg.h

+1 −0
Original line number Diff line number Diff line
@@ -825,6 +825,7 @@ 


#define A6XX_GBIF_PERF_PWR_CNT_EN         0x3cc0

#define A6XX_GBIF_PERF_CNT_SEL            0x3cc2

#define A6XX_GBIF_PERF_PWR_CNT_SEL        0x3cc3

#define A6XX_GBIF_PERF_CNT_LOW0           0x3cc4

#define A6XX_GBIF_PERF_CNT_LOW1           0x3cc5

#define A6XX_GBIF_PERF_CNT_LOW2           0x3cc6

drivers/gpu/msm/adreno_perfcounter.c

+18 −7
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2002,2007-2018, The Linux Foundation. All rights reserved.

 * Copyright (c) 2002,2007-2019, The Linux Foundation. All rights reserved.

 */

#include <linux/module.h>

#include <linux/uaccess.h>
@@ -29,10 +29,15 @@ 
/* offset of clear register from the power enable register for GBIF*/

#define GBIF_PWR_CLR_REG_EN_OFF    1



/* offset of select register from the power enable register for GBIF*/

#define GBIF_PWR_SEL_REG_EN_OFF  3



/* */

#define GBIF_PERF_SEL_RMW_MASK   0xFF

/* */

#define GBIF_PERF_RMW_MASK   0xFF

#define GBIF_PWR_SEL_RMW_MASK    0xFF

/* */

#define GBIF_PWR_RMW_MASK    0x10000

#define GBIF_PWR_EN_CLR_RMW_MASK 0x10000



/* offset of clear register from the enable register */

#define VBIF2_PERF_PWR_CLR_REG_EN_OFF 8
@@ -635,7 +640,7 @@ static void _perfcounter_enable_vbif(struct adreno_device *adreno_dev, 
			perfctr_mask, 0);

		/* select the desired countable */

		kgsl_regrmw(device, reg->select,

			GBIF_PERF_RMW_MASK << shift, countable << shift);

			GBIF_PERF_SEL_RMW_MASK << shift, countable << shift);

		/* enable counter */

		kgsl_regrmw(device, reg->select - GBIF_PERF_EN_REG_SEL_OFF,

			perfctr_mask, perfctr_mask);
@@ -659,7 +664,8 @@ static void _perfcounter_enable_vbif(struct adreno_device *adreno_dev, 
}



static void _perfcounter_enable_vbif_pwr(struct adreno_device *adreno_dev,

		struct adreno_perfcounters *counters, unsigned int counter)

		struct adreno_perfcounters *counters, unsigned int counter,

		unsigned int countable)

{

	struct kgsl_device *device = KGSL_DEVICE(adreno_dev);

	struct adreno_perfcount_register *reg;
@@ -667,7 +673,8 @@ static void _perfcounter_enable_vbif_pwr(struct adreno_device *adreno_dev, 
	reg = &counters->groups[KGSL_PERFCOUNTER_GROUP_VBIF_PWR].regs[counter];



	if (adreno_has_gbif(adreno_dev)) {

		unsigned int perfctr_mask = GBIF_PWR_RMW_MASK << counter;

		unsigned int shift = counter << 3;

		unsigned int perfctr_mask = GBIF_PWR_EN_CLR_RMW_MASK << counter;

		/*

		 * Write 1, followed by 0 to CLR register for

		 * clearing the counter
@@ -676,6 +683,9 @@ static void _perfcounter_enable_vbif_pwr(struct adreno_device *adreno_dev, 
			perfctr_mask, perfctr_mask);

		kgsl_regrmw(device, reg->select + GBIF_PWR_CLR_REG_EN_OFF,

			perfctr_mask, 0);

		/* select the desired countable */

		kgsl_regrmw(device, reg->select + GBIF_PWR_SEL_REG_EN_OFF,

			GBIF_PWR_SEL_RMW_MASK << shift, countable << shift);

		/* Enable the counter */

		kgsl_regrmw(device, reg->select, perfctr_mask, perfctr_mask);

	} else {
@@ -886,7 +896,8 @@ static int adreno_perfcounter_enable(struct adreno_device *adreno_dev, 
							countable);

		break;

	case KGSL_PERFCOUNTER_GROUP_VBIF_PWR:

		_perfcounter_enable_vbif_pwr(adreno_dev, counters, counter);

		_perfcounter_enable_vbif_pwr(adreno_dev, counters, counter,

							countable);

		break;

	case KGSL_PERFCOUNTER_GROUP_SP_PWR:

	case KGSL_PERFCOUNTER_GROUP_TP_PWR: