static void _WaitForEngineNotBusy(void)
{
if (DSI_REG->DSI_MODE_CTRL.MODE)
return ;
#if ENABLE_DSI_INTERRUPT
static const long WAIT_TIMEOUT = 2 * HZ; // 2 sec
if (in_interrupt())
{
// perform busy waiting if in interrupt context
while(_IsEngineBusy()) {}
}
else
{
while (_IsEngineBusy())
{
long ret = wait_event_interruptible_timeout(_lcd_wait_queue,
!_IsEngineBusy(),
WAIT_TIMEOUT);
if (0 == ret) {
printk("[WARNING] Wait for LCD engine not busy timeout!!!\n");
}
}
}
#else
while(_IsEngineBusy()) {}
#endif
}
static void _WaitForEngineNotBusy(void)
{
int timeOut;
#if ENABLE_DSI_INTERRUPT
long int time;
static const long WAIT_TIMEOUT = 2 * HZ; // 2 sec
#endif
if (DSI_REG->DSI_MODE_CTRL.MODE)
return ;
timeOut = 20;
#if ENABLE_DSI_INTERRUPT
time = get_current_time_us();
if (in_interrupt())
{
// perform busy waiting if in interrupt context
while(_IsEngineBusy()) {
msleep(1);
if (--timeOut < 0) {
DISP_LOG_PRINT(ANDROID_LOG_ERROR, "DSI", " Wait for DSI engine not busy timeout!!!(Wait %d us)\n", get_current_time_us() - time);
DSI_DumpRegisters();
DSI_Reset();
break;
}
}
}
else
{
while (_IsEngineBusy())
{
long ret = wait_event_interruptible_timeout(_dsi_wait_queue,
!_IsEngineBusy(),
WAIT_TIMEOUT);
if (0 == ret) {
DISP_LOG_PRINT(ANDROID_LOG_WARN, "DSI", " Wait for DSI engine not busy timeout!!!\n");
}
}
}
#else
while(_IsEngineBusy()) {
msleep(1);
if (--timeOut < 0) {
DISP_LOG_PRINT(ANDROID_LOG_ERROR, "DSI", " Wait for DSI engine not busy timeout!!!\n");
DSI_DumpRegisters();
DSI_Reset();
break;
}
}
#endif
}
