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Commit 1585c95a authored by Oleg Perelet's avatar Oleg Perelet Committed by Gerrit - the friendly Code Review server
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msm: kgsl: Add memory and periphery clock control for A540 



Call clk_set_flag() to turn off both memory core and periphery for
bimc_gfx_clk clock and memory for gfx_3d.

CRs-Fixed: 1046649
Change-Id: I941f91eeba01f4e7aa5427056bc57875e7edf197
Signed-off-by: default avatarOleg Perelet <operelet@codeaurora.org>
parent 9e2d528d

drivers/gpu/msm/adreno.c

+9 −0
Original line number Diff line number Diff line
@@ -2728,6 +2728,14 @@ static void adreno_pwrlevel_change_settings(struct kgsl_device *device, 
					postlevel, post);

}



static void adreno_clk_set_options(struct kgsl_device *device, const char *name,

	struct clk *clk)

{

	if (ADRENO_GPU_DEVICE(ADRENO_DEVICE(device))->clk_set_options)

		ADRENO_GPU_DEVICE(ADRENO_DEVICE(device))->clk_set_options(

			ADRENO_DEVICE(device), name, clk);

}



static void adreno_iommu_sync(struct kgsl_device *device, bool sync)

{

	struct scm_desc desc = {0};
@@ -2827,6 +2835,7 @@ static const struct kgsl_functable adreno_functable = { 
	.regulator_disable = adreno_regulator_disable,

	.pwrlevel_change_settings = adreno_pwrlevel_change_settings,

	.regulator_disable_poll = adreno_regulator_disable_poll,

	.clk_set_options = adreno_clk_set_options

};



static struct platform_driver adreno_platform_driver = {

drivers/gpu/msm/adreno.h

+2 −0
Original line number Diff line number Diff line
@@ -766,6 +766,8 @@ struct adreno_gpudev { 
	void (*preemption_schedule)(struct adreno_device *);

	void (*enable_64bit)(struct adreno_device *);

	void (*pre_reset)(struct adreno_device *);

	void (*clk_set_options)(struct adreno_device *,

				const char *, struct clk *);

};



/**

drivers/gpu/msm/adreno_a5xx.c

+17 −0
Original line number Diff line number Diff line
@@ -14,6 +14,7 @@ 
#include <soc/qcom/subsystem_restart.h>

#include <soc/qcom/scm.h>

#include <linux/pm_opp.h>

#include <linux/clk/msm-clk.h>



#include "adreno.h"

#include "a5xx_reg.h"
@@ -1627,6 +1628,21 @@ static void a5xx_pwrlevel_change_settings(struct adreno_device *adreno_dev, 
	}

}



static void a5xx_clk_set_options(struct adreno_device *adreno_dev,

	const char *name, struct clk *clk)

{

	if (adreno_is_a540(adreno_dev)) {

		if (!strcmp(name, "mem_iface_clk"))

			clk_set_flags(clk, CLKFLAG_NORETAIN_PERIPH);

			clk_set_flags(clk, CLKFLAG_NORETAIN_MEM);

		if (!strcmp(name, "core_clk")) {

			clk_set_flags(clk, CLKFLAG_NORETAIN_PERIPH);

			clk_set_flags(clk, CLKFLAG_NORETAIN_MEM);

		}

	}

}





static void a5xx_enable_64bit(struct adreno_device *adreno_dev)

{

	struct kgsl_device *device = KGSL_DEVICE(adreno_dev);
@@ -3516,4 +3532,5 @@ struct adreno_gpudev adreno_a5xx_gpudev = { 
	.preemption_schedule = a5xx_preemption_schedule,

	.enable_64bit = a5xx_enable_64bit,

	.pre_reset =  a5xx_pre_reset,

	.clk_set_options = a5xx_clk_set_options,

};

drivers/gpu/msm/kgsl_device.h

+2 −0
Original line number Diff line number Diff line
@@ -165,6 +165,8 @@ struct kgsl_functable { 
	void (*pwrlevel_change_settings)(struct kgsl_device *device,

		unsigned int prelevel, unsigned int postlevel, bool post);

	void (*regulator_disable_poll)(struct kgsl_device *device);

	void (*clk_set_options)(struct kgsl_device *device,

		const char *name, struct clk *clk);

};



struct kgsl_ioctl {

drivers/gpu/msm/kgsl_pwrctrl.c

+4 −0
Original line number Diff line number Diff line
@@ -1655,6 +1655,10 @@ static int _get_clocks(struct kgsl_device *device) 


			if (!strcmp(name, "isense_clk"))

				pwr->isense_clk_indx = i;



			if (device->ftbl->clk_set_options)

				device->ftbl->clk_set_options(device, name,

					pwr->grp_clks[i]);

			break;

		}

	}