}
*out_surf = NULL;
- ret = vmw_user_dmabuf_lookup(tfile, handle, out_buf);
+ ret = vmw_user_dmabuf_lookup(tfile, handle, out_buf, NULL);
return ret;
}
uint32_t size,
bool shareable,
uint32_t *handle,
- struct vmw_dma_buffer **p_dma_buf)
+ struct vmw_dma_buffer **p_dma_buf,
+ struct ttm_base_object **p_base)
{
struct vmw_user_dma_buffer *user_bo;
struct ttm_buffer_object *tmp;
}
*p_dma_buf = &user_bo->dma;
+ if (p_base) {
+ *p_base = &user_bo->prime.base;
+ kref_get(&(*p_base)->refcount);
+ }
*handle = user_bo->prime.base.hash.key;
out_no_base_object:
struct vmw_dma_buffer *dma_buf;
struct vmw_user_dma_buffer *user_bo;
struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
+ struct ttm_base_object *buffer_base;
int ret;
if ((arg->flags & (drm_vmw_synccpu_read | drm_vmw_synccpu_write)) == 0
switch (arg->op) {
case drm_vmw_synccpu_grab:
- ret = vmw_user_dmabuf_lookup(tfile, arg->handle, &dma_buf);
+ ret = vmw_user_dmabuf_lookup(tfile, arg->handle, &dma_buf,
+ &buffer_base);
if (unlikely(ret != 0))
return ret;
dma);
ret = vmw_user_dmabuf_synccpu_grab(user_bo, tfile, arg->flags);
vmw_dmabuf_unreference(&dma_buf);
+ ttm_base_object_unref(&buffer_base);
if (unlikely(ret != 0 && ret != -ERESTARTSYS &&
ret != -EBUSY)) {
DRM_ERROR("Failed synccpu grab on handle 0x%08x.\n",
return ret;
ret = vmw_user_dmabuf_alloc(dev_priv, vmw_fpriv(file_priv)->tfile,
- req->size, false, &handle, &dma_buf);
+ req->size, false, &handle, &dma_buf,
+ NULL);
if (unlikely(ret != 0))
goto out_no_dmabuf;
}
int vmw_user_dmabuf_lookup(struct ttm_object_file *tfile,
- uint32_t handle, struct vmw_dma_buffer **out)
+ uint32_t handle, struct vmw_dma_buffer **out,
+ struct ttm_base_object **p_base)
{
struct vmw_user_dma_buffer *vmw_user_bo;
struct ttm_base_object *base;
vmw_user_bo = container_of(base, struct vmw_user_dma_buffer,
prime.base);
(void)ttm_bo_reference(&vmw_user_bo->dma.base);
- ttm_base_object_unref(&base);
+ if (p_base)
+ *p_base = base;
+ else
+ ttm_base_object_unref(&base);
*out = &vmw_user_bo->dma;
return 0;
ret = vmw_user_dmabuf_alloc(dev_priv, vmw_fpriv(file_priv)->tfile,
args->size, false, &args->handle,
- &dma_buf);
+ &dma_buf, NULL);
if (unlikely(ret != 0))
goto out_no_dmabuf;
struct vmw_dma_buffer *out_buf;
int ret;
- ret = vmw_user_dmabuf_lookup(tfile, handle, &out_buf);
+ ret = vmw_user_dmabuf_lookup(tfile, handle, &out_buf, NULL);
if (ret != 0)
return -EINVAL;