X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fchar%2Fdrm%2Fi915_mem.c;h=52c67324df58953f6b98db130f8f6d05bbaa1dda;hb=4854c7b27f0975a2b629f35ea3996d2968eb7c4f;hp=ba87ff17ff64cfaf123afe895a4b0d6a5a0bc262;hpb=0a0fc0ddbe732779366ab6b1b879f62195e65967;p=powerpc.git diff --git a/drivers/char/drm/i915_mem.c b/drivers/char/drm/i915_mem.c index ba87ff17ff..52c67324df 100644 --- a/drivers/char/drm/i915_mem.c +++ b/drivers/char/drm/i915_mem.c @@ -365,3 +365,34 @@ int i915_mem_init_heap(DRM_IOCTL_ARGS) return init_heap(heap, initheap.start, initheap.size); } + +int i915_mem_destroy_heap( DRM_IOCTL_ARGS ) +{ + DRM_DEVICE; + drm_i915_private_t *dev_priv = dev->dev_private; + drm_i915_mem_destroy_heap_t destroyheap; + struct mem_block **heap; + + if ( !dev_priv ) { + DRM_ERROR( "%s called with no initialization\n", __FUNCTION__ ); + return DRM_ERR(EINVAL); + } + + DRM_COPY_FROM_USER_IOCTL( destroyheap, (drm_i915_mem_destroy_heap_t *)data, + sizeof(destroyheap) ); + + heap = get_heap( dev_priv, destroyheap.region ); + if (!heap) { + DRM_ERROR("get_heap failed"); + return DRM_ERR(EFAULT); + } + + if (!*heap) { + DRM_ERROR("heap not initialized?"); + return DRM_ERR(EFAULT); + } + + i915_mem_takedown( heap ); + return 0; +} +