diff options
| author | Michel Daenzer <michel@daenzer.net> | 2002-12-03 00:43:47 +0000 |
|---|---|---|
| committer | Michel Daenzer <michel@daenzer.net> | 2002-12-03 00:43:47 +0000 |
| commit | 4acba63bb7045e6bf665580cf6cea111f0786f77 (patch) | |
| tree | a45078534bae7643c6aca60c58a6c5054e0cf8d4 /linux-core/drmP.h | |
| parent | 40891ac190fb74f389ea1a9758249a2f642fd99b (diff) | |
vertical blank interrupt cleanups: use spinlock instead of semaphore, send
signal directly from interrupt handler instead of using a taskqueue
(based on feedback by Linus Torvalds)
Diffstat (limited to 'linux-core/drmP.h')
| -rw-r--r-- | linux-core/drmP.h | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h index 181f61f1..3f51b9b0 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -591,8 +591,7 @@ typedef struct drm_device { #if __HAVE_VBL_IRQ wait_queue_head_t vbl_queue; atomic_t vbl_received; - struct tq_struct vbl_tq; - struct semaphore vbl_sem; + spinlock_t vbl_lock; drm_vbl_sig_t vbl_sigs; #endif cycles_t ctx_start; @@ -834,7 +833,7 @@ extern void DRM(driver_irq_uninstall)( drm_device_t *dev ); extern int DRM(wait_vblank)(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg); extern int DRM(vblank_wait)(drm_device_t *dev, unsigned int *vbl_seq); -extern void DRM(vbl_immediate_bh)( void *arg ); +extern void DRM(vbl_send_signals)( drm_device_t *dev ); #endif #if __HAVE_DMA_IRQ_BH extern void DRM(dma_immediate_bh)( void *dev ); |