From 257771fa290b62d4d2ad896843cf3a207978d0bb Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Michel=20D=C3=A4nzer?= Date: Fri, 25 Aug 2006 19:01:05 +0200 Subject: i915: Add ioctl for scheduling buffer swaps at vertical blanks. This uses the core facility to schedule a driver callback that will be called ASAP after the given vertical blank interrupt with the HW lock held. --- shared-core/i915_drm.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'shared-core/i915_drm.h') diff --git a/shared-core/i915_drm.h b/shared-core/i915_drm.h index fcffb25c..7e4ba13d 100644 --- a/shared-core/i915_drm.h +++ b/shared-core/i915_drm.h @@ -132,6 +132,7 @@ typedef struct _drm_i915_sarea { #define DRM_I915_DESTROY_HEAP 0x0c #define DRM_I915_SET_VBLANK_PIPE 0x0d #define DRM_I915_GET_VBLANK_PIPE 0x0e +#define DRM_I915_VBLANK_SWAP 0x0f #define DRM_IOCTL_I915_INIT DRM_IOW( DRM_COMMAND_BASE + DRM_I915_INIT, drm_i915_init_t) #define DRM_IOCTL_I915_FLUSH DRM_IO ( DRM_COMMAND_BASE + DRM_I915_FLUSH) @@ -244,4 +245,12 @@ typedef struct drm_i915_vblank_pipe { int pipe; } drm_i915_vblank_pipe_t; +/* Schedule buffer swap at given vertical blank: + */ +typedef struct drm_i915_vblank_swap { + drm_drawable_t drawable; + unsigned int pipe; + unsigned int sequence; +} drm_i915_vblank_swap_t; + #endif /* _I915_DRM_H_ */ -- cgit v1.2.3