diff options
| author | Michel Daenzer <michel@daenzer.net> | 2002-11-30 14:24:07 +0000 |
|---|---|---|
| committer | Michel Daenzer <michel@daenzer.net> | 2002-11-30 14:24:07 +0000 |
| commit | 40891ac190fb74f389ea1a9758249a2f642fd99b (patch) | |
| tree | 00acdea17e37ac7578a68bba12b739d1366f6637 /linux-core/drmP.h | |
| parent | c869f4a1e59c4fa0bed5681cad5ad49e685603eb (diff) | |
vertical blank ioctl can send signal instead of blocking
Diffstat (limited to 'linux-core/drmP.h')
| -rw-r--r-- | linux-core/drmP.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h index 6f6f91c4..181f61f1 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -518,6 +518,17 @@ typedef struct drm_map_list { drm_map_t *map; } drm_map_list_t; +#if __HAVE_VBL_IRQ + +typedef struct drm_vbl_sig { + struct list_head head; + unsigned int sequence; + struct siginfo info; + struct task_struct *task; +} drm_vbl_sig_t; + +#endif + typedef struct drm_device { const char *name; /* Simple driver name */ char *unique; /* Unique identifier: e.g., busid */ @@ -580,6 +591,9 @@ 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; + drm_vbl_sig_t vbl_sigs; #endif cycles_t ctx_start; cycles_t lck_start; @@ -820,6 +834,7 @@ 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 ); #endif #if __HAVE_DMA_IRQ_BH extern void DRM(dma_immediate_bh)( void *dev ); |