diff options
| author | wu guoxing <b39297@freescale.com> | 2012-01-13 09:57:41 +0800 |
|---|---|---|
| committer | Jason Liu <r64343@freescale.com> | 2012-07-20 13:20:03 +0800 |
| commit | e43b1d0ede5689cda07bb696f2a45565e0c7ed79 (patch) | |
| tree | 865faef981863fa3dc0a7197a5c74858022d6d35 /drivers/mxc/gpu-viv/hal | |
| parent | ab577c619868328d910a97fb455c3c876f7718b1 (diff) | |
ENGR00171949:gpu-viv: change from mutex to completion for waiting pm events
viv code is using mutex to wait for pm events,
kernel will see this as a dead lock and give a warrning, as the mutex
can be hold for a long time.
Signed-off-by: Wu Guoxing <b39297@freescale.com>
Acked-by: Lily Zhang
Diffstat (limited to 'drivers/mxc/gpu-viv/hal')
| -rw-r--r-- | drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_device.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_device.c b/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_device.c index d619b79f1b82..8b25b9fdc533 100644 --- a/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_device.c +++ b/drivers/mxc/gpu-viv/hal/os/linux/kernel/gc_hal_kernel_device.c @@ -272,7 +272,7 @@ static int threadRoutinePM(void *ctxt) { /* wait for idle */ gcmkVERIFY_OK( - gckOS_AcquireMutex(device->os, hardware->powerOffSema, gcvINFINITE)); + gckOS_WaitSignal(device->os, hardware->powerOffSignal, gcvINFINITE)); /* We try to power off every 200 ms, until GPU is not idle */ do @@ -1487,7 +1487,7 @@ gckGALDEVICE_Stop_Threads( { gckHARDWARE hardware = Device->kernels[gcvCORE_MAJOR]->hardware; Device->killThread = gcvTRUE; - gckOS_ReleaseSemaphore(Device->os, hardware->powerOffSema); + gckOS_Signal(Device->os, hardware->powerOffSignal, gcvTRUE); kthread_stop(Device->pmThreadCtxts); Device->pmThreadCtxts = gcvNULL; |