diff options
| author | =?utf-8?q?Michel_D=C3=A4nzer?= <michel@tungstengraphics.com> | 2006-10-24 23:34:18 +1000 |
|---|---|---|
| committer | airlied <airlied@linux.ie> | 2006-12-07 15:53:29 +1100 |
| commit | ab285d74e6742422fd0465577a31fb03fe9ed241 (patch) | |
| tree | 172d9731b6288751478fd25d985aefb90f7c41bf /drivers/char/drm/drm.h | |
| parent | 8163e418f71e46a28bac6625b4c633c13bd53c8d (diff) | |
drm: Core vsync: Add flag DRM_VBLANK_NEXTONMISS.
When this flag is set and the target sequence is missed, wait for the next
vertical blank instead of returning immediately.
Signed-off-by: Dave Airlie <airlied@linux.ie>
Diffstat (limited to 'drivers/char/drm/drm.h')
| -rw-r--r-- | drivers/char/drm/drm.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/char/drm/drm.h b/drivers/char/drm/drm.h index 07a699029c3e..3f28a1551621 100644 --- a/drivers/char/drm/drm.h +++ b/drivers/char/drm/drm.h @@ -487,12 +487,14 @@ typedef struct drm_irq_busid { typedef enum { _DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */ _DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */ + _DRM_VBLANK_NEXTONMISS = 0x10000000, /**< If missed, wait for next vblank */ _DRM_VBLANK_SECONDARY = 0x20000000, /**< Secondary display controller */ _DRM_VBLANK_SIGNAL = 0x40000000 /**< Send signal instead of blocking */ } drm_vblank_seq_type_t; #define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE) -#define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_SIGNAL | _DRM_VBLANK_SECONDARY) +#define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_SIGNAL | _DRM_VBLANK_SECONDARY | \ + _DRM_VBLANK_NEXTONMISS) struct drm_wait_vblank_request { drm_vblank_seq_type_t type; |