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Commit c116c0fd authored by Harshdeep Dhatt's avatar Harshdeep Dhatt
Browse files

msm: kgsl: Move LM HFI after LM initialization 



The LM HFI informs the GMU firmware to initialize LM in
firmware. But it should be done after setting the power
threshold.

Change-Id: I2fd63aed9bc775e517162ba31a2d7267271d8e2b
Signed-off-by: default avatarHarshdeep Dhatt <hdhatt@codeaurora.org>
parent 720394df

drivers/gpu/msm/adreno_a6xx.c

+17 −0
Original line number Diff line number Diff line
@@ -770,10 +770,27 @@ static void a6xx_start(struct adreno_device *adreno_dev) 
	 */

	if (ADRENO_FEATURE(adreno_dev, ADRENO_LM) &&

		test_bit(ADRENO_LM_CTRL, &adreno_dev->pwrctrl_flag)) {

		int result;

		struct gmu_device *gmu = &device->gmu;

		struct device *dev = &gmu->pdev->dev;



		kgsl_gmu_regwrite(device, A6XX_GPU_GMU_CX_GMU_PWR_THRESHOLD,

			GPU_LIMIT_THRESHOLD_ENABLE | lm_limit(adreno_dev));

		kgsl_gmu_regwrite(device, A6XX_GMU_AO_SPARE_CNTL, 1);

		kgsl_gmu_regwrite(device, A6XX_GPU_GMU_CX_GMU_ISENSE_CTRL, 0x1);



		gmu->lm_config.lm_type = 1;

		gmu->lm_config.lm_sensor_type = 1;

		gmu->lm_config.throttle_config = 1;

		gmu->lm_config.idle_throttle_en = 0;

		gmu->lm_config.acd_en = 0;

		gmu->bcl_config = 0;

		gmu->lm_dcvs_level = 0;



		result = hfi_send_lmconfig(gmu);

		if (result)

			dev_err(dev, "Failure enabling limits management (%d)\n",

			result);

	}

}

drivers/gpu/msm/kgsl_hfi.c

+0 −18
Original line number Diff line number Diff line
@@ -611,24 +611,6 @@ int hfi_start(struct gmu_device *gmu, uint32_t boot_state) 
	if (result)

		return result;



	if (ADRENO_FEATURE(adreno_dev, ADRENO_LM) &&

		test_bit(ADRENO_LM_CTRL, &adreno_dev->pwrctrl_flag)) {

		gmu->lm_config.lm_type = 1;

		gmu->lm_config.lm_sensor_type = 1;

		gmu->lm_config.throttle_config = 1;

		gmu->lm_config.idle_throttle_en = 0;

		gmu->lm_config.acd_en = 0;

		gmu->bcl_config = 0;

		gmu->lm_dcvs_level = 0;



		result = hfi_send_lmconfig(gmu);

		if (result) {

			dev_err(dev, "Failure enabling LM (%d)\n",

					result);

			return result;

		}

	}



	/* Tell the GMU we are sending no more HFIs until the next boot */

	if (ADRENO_QUIRK(adreno_dev, ADRENO_QUIRK_HFI_USE_REG)) {

		result = hfi_send_test(gmu);

drivers/gpu/msm/kgsl_hfi.h

+1 −0
Original line number Diff line number Diff line
@@ -360,4 +360,5 @@ int hfi_send_dcvs_vote(struct gmu_device *gmu, uint32_t perf_idx, 
		uint32_t bw_idx, enum rpm_ack_type ack_type);

int hfi_notify_slumber(struct gmu_device *gmu, uint32_t init_perf_idx,

		uint32_t init_bw_idx);

int hfi_send_lmconfig(struct gmu_device *gmu);

#endif  /* __KGSL_HFI_H */