diff options
| -rw-r--r-- | linux-core/i915_gem.c | 25 | ||||
| -rw-r--r-- | shared-core/i915_dma.c | 1 | ||||
| -rw-r--r-- | shared-core/i915_drm.h | 9 | ||||
| -rw-r--r-- | shared-core/i915_drv.h | 2 |
4 files changed, 37 insertions, 0 deletions
diff --git a/linux-core/i915_gem.c b/linux-core/i915_gem.c index b5c87747..99dc00fc 100644 --- a/linux-core/i915_gem.c +++ b/linux-core/i915_gem.c @@ -1471,6 +1471,31 @@ i915_gem_unpin_ioctl(struct drm_device *dev, void *data, return 0; } +int +i915_gem_busy_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct drm_i915_gem_busy *args = data; + struct drm_gem_object *obj; + struct drm_i915_gem_object *obj_priv; + + mutex_lock(&dev->struct_mutex); + obj = drm_gem_object_lookup(dev, file_priv, args->handle); + if (obj == NULL) { + DRM_ERROR("Bad handle in i915_gem_busy_ioctl(): %d\n", + args->handle); + mutex_unlock(&dev->struct_mutex); + return -EINVAL; + } + + obj_priv = obj->driver_private; + args->busy = obj_priv->active; + + drm_gem_object_unreference(obj); + mutex_unlock(&dev->struct_mutex); + return 0; +} + int i915_gem_init_object(struct drm_gem_object *obj) { struct drm_i915_gem_object *obj_priv; diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c index 1fc617d1..76cd45f1 100644 --- a/shared-core/i915_dma.c +++ b/shared-core/i915_dma.c @@ -1180,6 +1180,7 @@ struct drm_ioctl_desc i915_ioctls[] = { DRM_IOCTL_DEF(DRM_I915_GEM_EXECBUFFER, i915_gem_execbuffer, DRM_AUTH), DRM_IOCTL_DEF(DRM_I915_GEM_PIN, i915_gem_pin_ioctl, DRM_AUTH|DRM_ROOT_ONLY), DRM_IOCTL_DEF(DRM_I915_GEM_UNPIN, i915_gem_unpin_ioctl, DRM_AUTH|DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_I915_GEM_BUSY, i915_gem_busy_ioctl, DRM_AUTH), }; int i915_max_ioctl = DRM_ARRAY_SIZE(i915_ioctls); 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_ */ diff --git a/shared-core/i915_drv.h b/shared-core/i915_drv.h index e217b789..04e149a9 100644 --- a/shared-core/i915_drv.h +++ b/shared-core/i915_drv.h @@ -449,6 +449,8 @@ int i915_gem_pin_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); int i915_gem_unpin_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +int i915_gem_busy_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); int i915_gem_init_object(struct drm_gem_object *obj); void i915_gem_free_object(struct drm_gem_object *obj); int i915_gem_set_domain(struct drm_gem_object *obj, |