diff options
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/drm_dma.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/linux-core/drm_dma.c b/linux-core/drm_dma.c index 9dd46d21..46393a5d 100644 --- a/linux-core/drm_dma.c +++ b/linux-core/drm_dma.c @@ -509,9 +509,6 @@ int DRM(dma_get_buffers)(drm_device_t *dev, drm_dma_t *dma) int DRM(irq_install)( drm_device_t *dev, int irq ) { int ret; -#if __HAVE_VBL_IRQ - unsigned long flags; -#endif if ( !irq ) return -EINVAL; @@ -638,7 +635,7 @@ int DRM(wait_vblank)( DRM_IOCTL_ARGS ) flags = vblwait.request.type & _DRM_VBLANK_FLAGS_MASK; if ( flags & _DRM_VBLANK_SIGNAL ) { - unsigned long flags; + unsigned long irqflags; drm_vbl_sig_t *vbl_sig = DRM_MALLOC( sizeof( drm_vbl_sig_t ) ); if ( !vbl_sig ) @@ -653,11 +650,11 @@ int DRM(wait_vblank)( DRM_IOCTL_ARGS ) vblwait.reply.sequence = atomic_read( &dev->vbl_received ); /* Hook signal entry into list */ - spin_lock_irqsave( &dev->vbl_lock, flags ); + spin_lock_irqsave( &dev->vbl_lock, irqflags ); list_add_tail( (struct list_head *) vbl_sig, &dev->vbl_sigs.head ); - spin_unlock_irqrestore( &dev->vbl_lock, flags ); + spin_unlock_irqrestore( &dev->vbl_lock, irqflags ); } else { ret = DRM(vblank_wait)( dev, &vblwait.request.sequence ); @@ -685,7 +682,7 @@ void DRM(vbl_send_signals)( drm_device_t *dev ) vbl_sig = (drm_vbl_sig_t *) entry; - if ( ( vbl_seq + ~vbl_sig->sequence + 1 ) <= (1<<23) ) { + if ( ( vbl_seq - vbl_sig->sequence ) <= (1<<23) ) { vbl_sig->info.si_code = atomic_read( &dev->vbl_received ); send_sig_info( vbl_sig->info.si_signo, &vbl_sig->info, vbl_sig->task ); |