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vmwgfx: Add helper function to get surface or dmabuf 

Signed-off-by: Jakob Bornecrantz <jakob@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Jakob Bornecrantz 2011-11-28 13:19:11 +01:00 committed by Dave Airlie
parent 6a91d97e02
commit 551a6697d0
2 changed files with 28 additions and 0 deletions
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5
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
View File

@ -390,6 +390,11 @@ extern int vmw_context_check(struct vmw_private *dev_priv,
struct ttm_object_file *tfile,
int id,
struct vmw_resource **p_res);
extern int vmw_user_lookup_handle(struct vmw_private *dev_priv,
struct ttm_object_file *tfile,
uint32_t handle,
struct vmw_surface **out_surf,
struct vmw_dma_buffer **out_buf);
extern void vmw_surface_res_free(struct vmw_resource *res);
extern int vmw_surface_init(struct vmw_private *dev_priv,
struct vmw_surface *srf,

23
drivers/gpu/drm/vmwgfx/vmwgfx_resource.c
View File

@ -1190,6 +1190,29 @@ void vmw_resource_unreserve(struct list_head *list)
write_unlock(lock);
}
/**
* Helper function that looks either a surface or dmabuf.
*
* The pointer this pointed at by out_surf and out_buf needs to be null.
*/
int vmw_user_lookup_handle(struct vmw_private *dev_priv,
struct ttm_object_file *tfile,
uint32_t handle,
struct vmw_surface **out_surf,
struct vmw_dma_buffer **out_buf)
{
int ret;
BUG_ON(*out_surf || *out_buf);
ret = vmw_user_surface_lookup_handle(dev_priv, tfile, handle, out_surf);
if (!ret)
return 0;
ret = vmw_user_dmabuf_lookup(tfile, handle, out_buf);
return ret;
}
int vmw_user_surface_lookup_handle(struct vmw_private *dev_priv,
struct ttm_object_file *tfile,