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Commit 120f1814 authored by Deepak Kumar's avatar Deepak Kumar
Browse files

msm: kgsl: Add gpu_frequency trace during SLUMBER entry and exit 



Add gpu_frequency trace during SLUMBER entry and exit. This is
needed to track GPU frequency across idle and active state
transitions.

Change-Id: Ib782805a1776e4c0fb879fc34dc2e1cd11cf6791
Signed-off-by: default avatarDeepak Kumar <dkumar@codeaurora.org>
parent 69fb9a27

drivers/gpu/msm/kgsl_pwrctrl.c

+6 −0
Original line number Diff line number Diff line
@@ -2667,6 +2667,7 @@ static int _wake(struct kgsl_device *device) 
{

	struct kgsl_pwrctrl *pwr = &device->pwrctrl;

	int status = 0;

	unsigned int state = device->state;



	switch (device->state) {

	case KGSL_STATE_SUSPEND:
@@ -2693,6 +2694,9 @@ static int _wake(struct kgsl_device *device) 
		/* Turn on the core clocks */

		kgsl_pwrctrl_clk(device, KGSL_PWRFLAGS_ON, KGSL_STATE_ACTIVE);



		if (state == KGSL_STATE_SLUMBER || state == KGSL_STATE_SUSPEND)

			trace_gpu_frequency(

			pwr->pwrlevels[pwr->active_pwrlevel].gpu_freq/1000, 0);

		/*

		 * No need to turn on/off irq here as it no longer affects

		 * power collapse
@@ -2898,6 +2902,7 @@ _slumber(struct kgsl_device *device) 
		kgsl_pwrctrl_clk_set_options(device, false);

		kgsl_pwrctrl_disable(device);

		kgsl_pwrscale_sleep(device);

		trace_gpu_frequency(0, 0);

		kgsl_pwrctrl_set_state(device, KGSL_STATE_SLUMBER);

		pm_qos_update_request(&device->pwrctrl.pm_qos_req_dma,

						PM_QOS_DEFAULT_VALUE);
@@ -2913,6 +2918,7 @@ _slumber(struct kgsl_device *device) 
		break;

	case KGSL_STATE_AWARE:

		kgsl_pwrctrl_disable(device);

		trace_gpu_frequency(0, 0);

		kgsl_pwrctrl_set_state(device, KGSL_STATE_SLUMBER);

		break;

	default: