diff options
| author | Dave Airlie <airlied@redhat.com> | 2011-03-24 11:54:35 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-03-24 12:28:46 +0100 |
| commit | 51eab416c9b4b3ed16553d405ec4a5f67daa34cf (patch) | |
| tree | f883ecb336132b9b069744a2a7b4a30c7954bf39 /include/drm | |
| parent | drm radeon: Return -EINVAL on wrong pm sysfs access (diff) | |
| download | linux-51eab416c9b4b3ed16553d405ec4a5f67daa34cf.tar.xz linux-51eab416c9b4b3ed16553d405ec4a5f67daa34cf.zip | |
drm/vblank: update recently added vbl interface to be more future proof.
This makes the interface a bit cleaner by leaving a single gap in the
vblank bit space instead of creating two gaps.
Suggestions from Michel on mailing list/irc.
Reviewed-by: Michel Dänzer <michel@daenzer.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | include/drm/drm.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/include/drm/drm.h b/include/drm/drm.h index 99cd07433fab..4be33b4ca2f8 100644 --- a/include/drm/drm.h +++ b/include/drm/drm.h @@ -463,14 +463,15 @@ struct drm_irq_busid { enum drm_vblank_seq_type { _DRM_VBLANK_ABSOLUTE = 0x0, /**< Wait for specific vblank sequence number */ _DRM_VBLANK_RELATIVE = 0x1, /**< Wait for given number of vblanks */ + /* bits 1-6 are reserved for high crtcs */ + _DRM_VBLANK_HIGH_CRTC_MASK = 0x0000003e, _DRM_VBLANK_EVENT = 0x4000000, /**< Send event instead of blocking */ _DRM_VBLANK_FLIP = 0x8000000, /**< Scheduled buffer swap should flip */ _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, unsupported */ }; -#define _DRM_VBLANK_HIGH_CRTC_SHIFT 16 -#define _DRM_VBLANK_HIGH_CRTC_MASK 0x001F0000 +#define _DRM_VBLANK_HIGH_CRTC_SHIFT 1 #define _DRM_VBLANK_TYPES_MASK (_DRM_VBLANK_ABSOLUTE | _DRM_VBLANK_RELATIVE) #define _DRM_VBLANK_FLAGS_MASK (_DRM_VBLANK_EVENT | _DRM_VBLANK_SIGNAL | \ @@ -755,7 +756,7 @@ struct drm_event_vblank { }; #define DRM_CAP_DUMB_BUFFER 0x1 -#define DRM_CAP_HIGH_CRTC 0x2 +#define DRM_CAP_VBLANK_HIGH_CRTC 0x2 /* typedef area */ #ifndef __KERNEL__ |