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remove unused __HAVE_KERNEL_CTX_SWITCH code

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Keith Whitwell 2003-04-22 11:39:34 +00:00
parent a1780925fb
commit aba6bf7eb3
2 changed files with 0 additions and 58 deletions
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29
linux-core/drm_drv.c
View File

@ -84,9 +84,6 @@
#ifndef __HAVE_SG
#define __HAVE_SG 0
#endif
#ifndef __HAVE_KERNEL_CTX_SWITCH
#define __HAVE_KERNEL_CTX_SWITCH 0
#endif
#ifndef DRIVER_PREINIT
#define DRIVER_PREINIT()
@ -1005,12 +1002,6 @@ int DRM(lock)( struct inode *inode, struct file *filp,
if ( lock.flags & _DRM_LOCK_QUIESCENT ) {
DRIVER_DMA_QUIESCENT();
}
#endif
#if __HAVE_KERNEL_CTX_SWITCH
if ( dev->last_context != lock.context ) {
DRM(context_switch)(dev, dev->last_context,
lock.context);
}
#endif
}
@ -1038,25 +1029,6 @@ int DRM(unlock)( struct inode *inode, struct file *filp,
atomic_inc( &dev->counts[_DRM_STAT_UNLOCKS] );
#if __HAVE_KERNEL_CTX_SWITCH
/* We no longer really hold it, but if we are the next
* agent to request it then we should just be able to
* take it immediately and not eat the ioctl.
*/
dev->lock.filp = 0;
{
__volatile__ unsigned int *plock = &dev->lock.hw_lock->lock;
unsigned int old, new, prev, ctx;
ctx = lock.context;
do {
old = *plock;
new = ctx;
prev = cmpxchg(plock, old, new);
} while (prev != old);
}
wake_up_interruptible(&dev->lock.lock_queue);
#else
DRM(lock_transfer)( dev, &dev->lock.hw_lock->lock,
DRM_KERNEL_CONTEXT );
#if __HAVE_DMA_SCHEDULE
@ -1071,7 +1043,6 @@ int DRM(unlock)( struct inode *inode, struct file *filp,
DRM_ERROR( "\n" );
}
}
#endif /* !__HAVE_KERNEL_CTX_SWITCH */
unblock_all_signals();
return 0;

29
linux/drm_drv.h
View File

@ -84,9 +84,6 @@
#ifndef __HAVE_SG
#define __HAVE_SG 0
#endif
#ifndef __HAVE_KERNEL_CTX_SWITCH
#define __HAVE_KERNEL_CTX_SWITCH 0
#endif
#ifndef DRIVER_PREINIT
#define DRIVER_PREINIT()
@ -1005,12 +1002,6 @@ int DRM(lock)( struct inode *inode, struct file *filp,
if ( lock.flags & _DRM_LOCK_QUIESCENT ) {
DRIVER_DMA_QUIESCENT();
}
#endif
#if __HAVE_KERNEL_CTX_SWITCH
if ( dev->last_context != lock.context ) {
DRM(context_switch)(dev, dev->last_context,
lock.context);
}
#endif
}
@ -1038,25 +1029,6 @@ int DRM(unlock)( struct inode *inode, struct file *filp,
atomic_inc( &dev->counts[_DRM_STAT_UNLOCKS] );
#if __HAVE_KERNEL_CTX_SWITCH
/* We no longer really hold it, but if we are the next
* agent to request it then we should just be able to
* take it immediately and not eat the ioctl.
*/
dev->lock.filp = 0;
{
__volatile__ unsigned int *plock = &dev->lock.hw_lock->lock;
unsigned int old, new, prev, ctx;
ctx = lock.context;
do {
old = *plock;
new = ctx;
prev = cmpxchg(plock, old, new);
} while (prev != old);
}
wake_up_interruptible(&dev->lock.lock_queue);
#else
DRM(lock_transfer)( dev, &dev->lock.hw_lock->lock,
DRM_KERNEL_CONTEXT );
#if __HAVE_DMA_SCHEDULE
@ -1071,7 +1043,6 @@ int DRM(unlock)( struct inode *inode, struct file *filp,
DRM_ERROR( "\n" );
}
}
#endif /* !__HAVE_KERNEL_CTX_SWITCH */
unblock_all_signals();
return 0;