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drm/vmwgfx: Look up user buffer objects without taking a reference

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Identically to how we look up ttm base objects witout reference, provide
the same functionality to vmw user buffer objects which derive from them.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
This commit is contained in:
Thomas Hellstrom
2018-09-26 16:03:57 +02:00
parent 64ad2abfe9
commit b733bc2e0a
2 changed files with 53 additions and 0 deletions
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12
drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
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@@ -772,6 +772,18 @@ extern void vmw_bo_unmap(struct vmw_buffer_object *vbo);
extern void vmw_bo_move_notify(struct ttm_buffer_object *bo,
struct ttm_mem_reg *mem);
extern void vmw_bo_swap_notify(struct ttm_buffer_object *bo);
extern struct vmw_buffer_object *
vmw_user_bo_noref_lookup(struct ttm_object_file *tfile, u32 handle);
/**
* vmw_user_bo_noref_release - release a buffer object pointer looked up
* without reference
*/
static inline void vmw_user_bo_noref_release(void)
{
ttm_base_object_noref_release();
}
/**
* Misc Ioctl functionality - vmwgfx_ioctl.c