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authorMichel Daenzer <michel@daenzer.net>2002-12-03 00:43:47 +0000
committerMichel Daenzer <michel@daenzer.net>2002-12-03 00:43:47 +0000
commit4acba63bb7045e6bf665580cf6cea111f0786f77 (patch)
treea45078534bae7643c6aca60c58a6c5054e0cf8d4 /linux-core/drmP.h
parent40891ac190fb74f389ea1a9758249a2f642fd99b (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.h5
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 );