Merge "msm: kgsl: Don't attempt the LLM/GLM handshake for a640 targets"

	return ret;

}

#define A6XX_STATE_OF_CHILD             (BIT(4) | BIT(5))

#define A6XX_IDLE_FULL_LLM              BIT(0)

#define A6XX_WAKEUP_ACK                 BIT(1)

#define A6XX_IDLE_FULL_ACK              BIT(0)

#define A6XX_VBIF_XIN_HALT_CTRL1_ACKS   (BIT(0) | BIT(1) | BIT(2) | BIT(3))

static int a6xx_llm_glm_handshake(struct kgsl_device *device)

static void a6xx_llm_glm_handshake(struct kgsl_device *device)

{

	unsigned int val;

	const struct adreno_device *adreno_dev = ADRENO_DEVICE(device);

	struct adreno_device *adreno_dev = ADRENO_DEVICE(device);

	struct gmu_device *gmu = KGSL_GMU_DEVICE(device);

	if (!ADRENO_FEATURE(adreno_dev, ADRENO_LM) ||

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

		return 0;

		return;

	if (adreno_is_a640(adreno_dev))

		return;

	gmu_core_regread(device, A6XX_GMU_LLM_GLM_SLEEP_CTRL, &val);

	if (!(val & A6XX_STATE_OF_CHILD)) {

	if (val & (BIT(4) | BIT(5)))

		return;

	gmu_core_regrmw(device, A6XX_GMU_LLM_GLM_SLEEP_CTRL, 0, BIT(4));

		gmu_core_regrmw(device, A6XX_GMU_LLM_GLM_SLEEP_CTRL, 0,

				A6XX_IDLE_FULL_LLM);

	gmu_core_regrmw(device, A6XX_GMU_LLM_GLM_SLEEP_CTRL, 0, BIT(0));

	if (timed_poll_check(device, A6XX_GMU_LLM_GLM_SLEEP_STATUS,

				A6XX_IDLE_FULL_ACK, GPU_RESET_TIMEOUT,

				A6XX_IDLE_FULL_ACK)) {

		BIT(0), GPU_RESET_TIMEOUT, BIT(0)))

		dev_err(&gmu->pdev->dev, "LLM-GLM handshake failed\n");

			return -EINVAL;

		}

	}

	return 0;

}

static void a6xx_isense_disable(struct kgsl_device *device)