diff options
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/i915_gem.c | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/linux-core/i915_gem.c b/linux-core/i915_gem.c index 3e4403c7..fc9e53cf 100644 --- a/linux-core/i915_gem.c +++ b/linux-core/i915_gem.c @@ -328,6 +328,48 @@ err: return ret; } +int +i915_gem_pin(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct drm_i915_gem_pin *args = data; + struct drm_gem_object *obj; + struct drm_i915_gem_object *obj_priv; + int ret; + + obj = drm_gem_object_lookup(dev, file_priv, args->handle); + if (obj == NULL) + return -EINVAL; + + ret = i915_gem_object_bind_to_gtt(dev, obj); + if (ret != 0) + return ret; + + obj_priv = obj->driver_private; + obj_priv->pin_count++; + args->offset = obj_priv->gtt_offset; + + return 0; +} + +int +i915_gem_unpin(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + struct drm_i915_gem_pin *args = data; + struct drm_gem_object *obj; + struct drm_i915_gem_object *obj_priv; + + obj = drm_gem_object_lookup(dev, file_priv, args->handle); + if (obj == NULL) + return -EINVAL; + + obj_priv = obj->driver_private; + obj_priv->pin_count--; + + return 0; +} + int i915_gem_init_object(struct drm_device *dev, struct drm_gem_object *obj) { struct drm_i915_gem_object *obj_priv; @@ -345,4 +387,3 @@ void i915_gem_free_object(struct drm_device *dev, struct drm_gem_object *obj) { drm_free(obj->driver_private, 1, DRM_MEM_DRIVER); } - |