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Commit 2c5f3cf6 authored by Oleg Perelet's avatar Oleg Perelet
Browse files

msm: kgsl: Invoke AGC handshake on A540 



Invoke AGC handshake on A540 even when LM is disabled, pass
0 for LM and pass HW patchid.

CRs-Fixed: 973565
Change-Id: I62c32b55bf2e3a1ec498b1ec0a8bebf34ac803a9
Signed-off-by: default avatarOleg Perelet <operelet@codeaurora.org>
parent 99d7b718

drivers/gpu/msm/adreno-gpulist.h

+1 −1
Original line number Diff line number Diff line
@@ -254,7 +254,7 @@ static const struct adreno_gpu_core adreno_gpulist[] = { 
		.gmem_size = SZ_1M,

		.num_protected_regs = 0x20,

		.busy_mask = 0xFFFFFFFE,

		.gpmufw_name = "a540v1_gpmu.fw2",

		.gpmufw_name = "a540_gpmu.fw2",

		.gpmu_major = 3,

		.gpmu_minor = 0,

		.gpmu_tsens = 0x000C000D,

drivers/gpu/msm/adreno_a5xx.c

+33 −29
Original line number Diff line number Diff line
@@ -1681,14 +1681,14 @@ static void a540_lm_init(struct adreno_device *adreno_dev) 
{

	struct kgsl_device *device = KGSL_DEVICE(adreno_dev);

	uint32_t agc_lm_config =

		AGC_LM_CONFIG_ENABLE_GPMU_ADAPTIVE | AGC_THROTTLE_SEL_DCS;

		((ADRENO_CHIPID_PATCH(adreno_dev->chipid) | 0x3)

		<< AGC_GPU_VERSION_SHIFT);

	unsigned int r, i;



	if (!lm_on(adreno_dev))

		return;



	agc_lm_config |= ((ADRENO_CHIPID_PATCH(adreno_dev->chipid) | 0x3)

		<< AGC_GPU_VERSION_SHIFT);

	if (lm_on(adreno_dev)) {

		agc_lm_config |=

			AGC_LM_CONFIG_ENABLE_GPMU_ADAPTIVE |

			AGC_THROTTLE_SEL_DCS;



		kgsl_regread(device, A5XX_GPMU_TEMP_SENSOR_CONFIG, &r);

		if (r & GPMU_BCL_ENABLED)
@@ -1698,7 +1698,8 @@ static void a540_lm_init(struct adreno_device *adreno_dev) 
			agc_lm_config |= AGC_LLM_ENABLED;



		if ((r & GPMU_ISENSE_STATUS) == GPMU_ISENSE_END_POINT_CAL_ERR) {

		KGSL_CORE_ERR("GPMU: ISENSE end point calibration failure\n");

			KGSL_CORE_ERR(

				"GPMU: ISENSE end point calibration failure\n");

			agc_lm_config |= AGC_LM_CONFIG_ENABLE_ERROR;

			goto start_agc;

		}
@@ -1708,16 +1709,18 @@ static void a540_lm_init(struct adreno_device *adreno_dev) 
			goto start_agc;

		}



	for (i = 0; i < AMP_CALIBRATION_RETRY_CNT; i++)

		for (i = 0; i < AMP_CALIBRATION_RETRY_CNT; i++) {

			if (isense_cot(adreno_dev))

				cpu_relax();

			else

				break;

		}



		if (i == AMP_CALIBRATION_RETRY_CNT) {

			KGSL_CORE_ERR("GPMU: ISENSE cold trimming failure\n");

			agc_lm_config |= AGC_LM_CONFIG_ENABLE_ERROR;

		}

	}



start_agc:

	kgsl_regwrite(device, AGC_MSG_STATE, 0x80000001);
@@ -1738,6 +1741,7 @@ start_agc: 
	kgsl_regwrite(device, A5XX_GPMU_GPMU_PWR_THRESHOLD,

		PWR_THRESHOLD_VALID | lm_limit(adreno_dev));



	if (lm_on(adreno_dev))

		wake_llm(adreno_dev);

}