void kgsl_pre_hwaccess(struct kgsl_device *device)
{
BUG_ON(!mutex_is_locked(&device->mutex));
switch (device->state) {
case KGSL_STATE_ACTIVE:
return;
case KGSL_STATE_NAP:
case KGSL_STATE_SLEEP:
case KGSL_STATE_SLUMBER:
kgsl_pwrctrl_wake(device);
break;
case KGSL_STATE_SUSPEND:
kgsl_check_suspended(device);
break;
case KGSL_STATE_INIT:
case KGSL_STATE_HUNG:
case KGSL_STATE_DUMP_AND_RECOVER:
if (test_bit(KGSL_PWRFLAGS_CLK_ON,
&device->pwrctrl.power_flags))
break;
else
KGSL_PWR_ERR(device,
"hw access while clocks off from state %d\n",
device->state);
break;
default:
KGSL_PWR_ERR(device, "hw access while in unknown state %d\n",
device->state);
break;
}
}
static int kgsl_runpending_unlocked(struct kgsl_device *device)
{
int ret;
mutex_lock(&device->mutex);
kgsl_check_suspended(device);
ret = kgsl_runpending(device);
mutex_unlock(&device->mutex);
return ret;
}