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| author | Jesse Barnes <jbarnes@hobbes.virtuousgeek.org> | 2007-06-12 10:44:21 -0700 |
|---|---|---|
| committer | Jesse Barnes <jbarnes@hobbes.virtuousgeek.org> | 2007-06-12 10:44:21 -0700 |
| commit | db689c7b95613237cec904c3f6ee27e8c2bf7ce0 (patch) | |
| tree | 9e8b5377207f3d2a89759f189b1be611f6e85859 /linux-core/drmP.h | |
| parent | 280083d4a2a12a1ff6dc1b068553a4ae8960200c (diff) | |
Initial checkin of vblank rework. Code attempts to reduce the number
of vblank interrupt in order to save power.
Diffstat (limited to 'linux-core/drmP.h')
| -rw-r--r-- | linux-core/drmP.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h index dd3a69df..c3f20311 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -627,8 +627,9 @@ struct drm_driver { int (*kernel_context_switch) (struct drm_device * dev, int old, int new); void (*kernel_context_switch_unlock) (struct drm_device * dev); - int (*vblank_wait) (struct drm_device * dev, unsigned int *sequence); - int (*vblank_wait2) (struct drm_device * dev, unsigned int *sequence); + u32 (*get_vblank_counter) (struct drm_device *dev, int crtc); + void (*enable_vblank) (struct drm_device *dev, int crtc); + void (*disable_vblank) (struct drm_device *dev, int crtc); int (*dri_library_name) (struct drm_device * dev, char * buf); /** @@ -783,12 +784,13 @@ typedef struct drm_device { /*@{ */ wait_queue_head_t vbl_queue; /**< VBLANK wait queue */ - atomic_t vbl_received; - atomic_t vbl_received2; /**< number of secondary VBLANK interrupts */ + atomic_t *vblank_count; /**< number of VBLANK interrupts (driver must alloc the right number of counters) */ spinlock_t vbl_lock; struct list_head vbl_sigs; /**< signal list to send on VBLANK */ struct list_head vbl_sigs2; /**< signals to send on secondary VBLANK */ - unsigned int vbl_pending; + atomic_t *vbl_pending; + u32 *last_vblank; /* protected by dev->vbl_lock */ + unsigned long max_vblank_count; /**< size of vblank counter register */ spinlock_t tasklet_lock; /**< For drm_locked_tasklet */ void (*locked_tasklet_func)(struct drm_device *dev); |