diff options
Diffstat (limited to 'shared-core/nouveau_mem.c')
| -rw-r--r-- | shared-core/nouveau_mem.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/shared-core/nouveau_mem.c b/shared-core/nouveau_mem.c index 897badd4..93b9c869 100644 --- a/shared-core/nouveau_mem.c +++ b/shared-core/nouveau_mem.c @@ -443,6 +443,49 @@ void nouveau_mem_free(struct drm_device* dev, struct mem_block* block) free_block(block); } +int nouveau_instmem_init(struct drm_device *dev, uint32_t offset, + uint32_t size) +{ + drm_nouveau_private_t *dev_priv = dev->dev_private; + int ret; + + ret = init_heap(&dev_priv->ramin_heap, offset, size); + if (ret) { + dev_priv->ramin_heap = NULL; + DRM_ERROR("Failed to init RAMIN heap\n"); + } + + return ret; +} + +struct mem_block *nouveau_instmem_alloc(struct drm_device *dev, + uint32_t size, uint32_t align) +{ + drm_nouveau_private_t *dev_priv = dev->dev_private; + struct mem_block *block; + + if (!dev_priv->ramin_heap) { + DRM_ERROR("instmem alloc called without init\n"); + return NULL; + } + + block = alloc_block(dev_priv->ramin_heap, size, align, (DRMFILE)-2); + if (block) { + block->flags = NOUVEAU_MEM_INSTANCE; + DRM_DEBUG("instance(size=%d, align=%d) alloc'd at 0x%08x\n", + size, (1<<align), block->start); + } + + return block; +} + +void nouveau_instmem_free(struct drm_device *dev, struct mem_block *block) +{ + if (dev && block) { + free_block(block); + } +} + /* * Ioctls */ |