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| author | Keith Packard <keithp@keithp.com> | 2008-05-25 20:45:20 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2008-05-25 20:45:20 -0700 |
| commit | 7cf3fd29fe058a0bfc2ba7e889d1b360398be161 (patch) | |
| tree | e56ab8ca8c61b0b7f3c930d7111fbe733ebbe655 /shared-core/i915_drm.h | |
| parent | 6d1d11704ab36e4ee50b2c1d3b984ab6bb691417 (diff) | |
[intel-gem] Add DRM_I915_GEM_BUSY ioctl to check for idle buffers.
This new ioctl returns whether re-using the buffer would force a wait.
Diffstat (limited to 'shared-core/i915_drm.h')
| -rw-r--r-- | shared-core/i915_drm.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/shared-core/i915_drm.h b/shared-core/i915_drm.h index b50471f3..a8e09e72 100644 --- a/shared-core/i915_drm.h +++ b/shared-core/i915_drm.h @@ -180,6 +180,7 @@ typedef struct drm_i915_sarea { #define DRM_I915_GEM_EXECBUFFER 0x14 #define DRM_I915_GEM_PIN 0x15 #define DRM_I915_GEM_UNPIN 0x16 +#define DRM_I915_GEM_BUSY 0x17 #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) @@ -203,6 +204,7 @@ typedef struct drm_i915_sarea { #define DRM_IOCTL_I915_GEM_EXECBUFFER DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_EXECBUFFER, struct drm_i915_gem_execbuffer) #define DRM_IOCTL_I915_GEM_PIN DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_PIN, struct drm_i915_gem_pin) #define DRM_IOCTL_I915_GEM_UNPIN DRM_IOW(DRM_COMMAND_BASE + DRM_I915_GEM_UNPIN, struct drm_i915_gem_unpin) +#define DRM_IOCTL_I915_GEM_BUSY DRM_IOWR(DRM_COMMAND_BASE + DRM_I915_GEM_BUSY, struct drm_i915_gem_busy) /* Asynchronous page flipping: */ @@ -536,5 +538,12 @@ struct drm_i915_gem_unpin { uint32_t pad; }; +struct drm_i915_gem_busy { + /** Handle of the buffer to check for busy */ + uint32_t handle; + + /** Return busy status (1 if busy, 0 if idle) */ + uint32_t busy; +}; #endif /* _I915_DRM_H_ */ |