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Commit 8e583ed3 authored by Jordan Crouse's avatar Jordan Crouse
Browse files

msm: kgsl: Remove LLM/GLM 



Support for LLM/GLM never really happened on a630 and the hardware doesn't
exist on other targets. It can be safely removed.

Change-Id: Ic0dedbad5e885b787fd57e4c22251fb0d32fcf3e
Signed-off-by: default avatarJordan Crouse <jcrouse@codeaurora.org>
parent 548f437e

drivers/gpu/msm/adreno_a6xx_gmu.c

+0 −33
Original line number Original line Diff line number Diff line
@@ -1167,38 +1167,8 @@ static int a6xx_gmu_load_firmware(struct kgsl_device *device) 
	return gmu_cache_finalize(device);

	return gmu_cache_finalize(device);

}

}





#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))

#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)

{

	unsigned int val;

	const 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;



	gmu_core_regread(device, A6XX_GMU_LLM_GLM_SLEEP_CTRL, &val);

	if (!(val & A6XX_STATE_OF_CHILD)) {

		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);

		if (timed_poll_check(device, A6XX_GMU_LLM_GLM_SLEEP_STATUS,

				A6XX_IDLE_FULL_ACK, GPU_RESET_TIMEOUT,

				A6XX_IDLE_FULL_ACK)) {

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

			return -EINVAL;

		}

	}



	return 0;

}



static void a6xx_isense_disable(struct kgsl_device *device)

static void a6xx_isense_disable(struct kgsl_device *device)

{

{

	unsigned int val;

	unsigned int val;
@@ -1224,9 +1194,6 @@ static int a6xx_gmu_suspend(struct kgsl_device *device) 
	/* Disable ISENSE if it's on */

	/* Disable ISENSE if it's on */

	a6xx_isense_disable(device);

	a6xx_isense_disable(device);





	/* LLM-GLM handshake sequence */

	a6xx_llm_glm_handshake(device);



	/* If SPTP_RAC is on, turn off SPTP_RAC HS */

	/* If SPTP_RAC is on, turn off SPTP_RAC HS */

	a6xx_gmu_sptprac_disable(ADRENO_DEVICE(device));

	a6xx_gmu_sptprac_disable(ADRENO_DEVICE(device));