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Commit c5f6014f authored by Shubhraprakash Das's avatar Shubhraprakash Das
Browse files

msm: kgsl: Turn clocks off if they were turned on 



Turn the GPU clocks off after resetting the irq control register
if they were turned on in the hang interrupt sysfs control function.

Change-Id: I6dbe09537be9bf76b2d1bf95563bbbffec6e403c
Signed-off-by: default avatarShubhraprakash Das <sadas@codeaurora.org>
parent 1f4dd82d

drivers/gpu/msm/adreno.c

+6 −0
Original line number Diff line number Diff line
@@ -2040,6 +2040,7 @@ static ssize_t _ft_hang_intr_status_store(struct device *dev, 
	old_setting =

		(test_bit(ADRENO_DEVICE_HANG_INTR, &adreno_dev->priv) ? 1 : 0);

	if (new_setting != old_setting) {

		int clk_on = 0;

		if (new_setting)

			set_bit(ADRENO_DEVICE_HANG_INTR, &adreno_dev->priv);

		else
@@ -2050,8 +2051,13 @@ static ssize_t _ft_hang_intr_status_store(struct device *dev, 
		case KGSL_STATE_SLEEP:

			kgsl_pwrctrl_clk(device, KGSL_PWRFLAGS_ON,

					device->state);

			clk_on = 1;

		case KGSL_STATE_ACTIVE:

			adreno_dev->gpudev->irq_control(adreno_dev, 1);

			/* switch off clocks if we turned it on */

			if (clk_on)

				kgsl_pwrctrl_clk(device, KGSL_PWRFLAGS_OFF,

					device->state);

		/*

		 * For following states setting will be picked up on device

		 * start. Still need them in switch statement to differentiate