msm: kgsl: Get active count in KGSL_PROP_PWRCTRL setproperty



KGSL_PROP_PWRCTRL setproperty enables hang detection, this involves
enabling performance counters. Get active count to access performace
counter hardware.

Change-Id: I175c6461ea51aa4a69ef9196495de04ef6a9c4b5
Signed-off-by: Tarun Karra <tkarra@codeaurora.org>

parent c1d44517

drivers/gpu/msm/adreno.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -2730,8 +2730,11 @@ static int adreno_setproperty(struct kgsl_device_private *dev_priv,
		device->pwrctrl.ctrl_flags = 0;
		adreno_dev->fast_hang_detect = 1;

		if (gpudev->fault_detect_start)
		if (gpudev->fault_detect_start &&
		!kgsl_active_count_get(&adreno_dev->dev)) {
		gpudev->fault_detect_start(adreno_dev);
		kgsl_active_count_put(&adreno_dev->dev);
		}

		kgsl_pwrscale_enable(device);
		} else {