diff options
Diffstat (limited to 'drivers/gpu/pvr/mutex.c')
| -rw-r--r-- | drivers/gpu/pvr/mutex.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/gpu/pvr/mutex.c b/drivers/gpu/pvr/mutex.c index 742fa03..aedc8d0 100644 --- a/drivers/gpu/pvr/mutex.c +++ b/drivers/gpu/pvr/mutex.c @@ -37,10 +37,13 @@ #include <services.h> #include "mutex.h" - +#include "osfunc.h" #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)) +extern PVRSRV_LINUX_MUTEX gPVRSRVLock; +IMG_UINT32 ui32BridgeLockPID = 0; + IMG_VOID LinuxInitMutex(PVRSRV_LINUX_MUTEX *psPVRSRVMutex) { mutex_init(psPVRSRVMutex); @@ -49,6 +52,8 @@ IMG_VOID LinuxInitMutex(PVRSRV_LINUX_MUTEX *psPVRSRVMutex) IMG_VOID LinuxLockMutex(PVRSRV_LINUX_MUTEX *psPVRSRVMutex) { mutex_lock(psPVRSRVMutex); + if(psPVRSRVMutex == &gPVRSRVLock) + ui32BridgeLockPID = OSGetCurrentProcessIDKM(); } PVRSRV_ERROR LinuxLockMutexInterruptible(PVRSRV_LINUX_MUTEX *psPVRSRVMutex) @@ -59,17 +64,24 @@ PVRSRV_ERROR LinuxLockMutexInterruptible(PVRSRV_LINUX_MUTEX *psPVRSRVMutex) } else { + if(psPVRSRVMutex == &gPVRSRVLock) + ui32BridgeLockPID = OSGetCurrentProcessIDKM(); return PVRSRV_OK; } } IMG_INT32 LinuxTryLockMutex(PVRSRV_LINUX_MUTEX *psPVRSRVMutex) { - return mutex_trylock(psPVRSRVMutex); + IMG_UINT32 err = mutex_trylock(psPVRSRVMutex); + if(psPVRSRVMutex == &gPVRSRVLock) + ui32BridgeLockPID = OSGetCurrentProcessIDKM(); + return err; } IMG_VOID LinuxUnLockMutex(PVRSRV_LINUX_MUTEX *psPVRSRVMutex) { + if(psPVRSRVMutex == &gPVRSRVLock) + ui32BridgeLockPID = 0; mutex_unlock(psPVRSRVMutex); } |