Add obvious description to drm_framebuffer_unregister_private()
to explain it is deprecated.
Signed-off-by: Rongrong Zou <zourongrong@xxxxxxxxx>
---
drivers/gpu/drm/drm_framebuffer.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c
index 398efd6..d2b0507 100644
--- a/drivers/gpu/drm/drm_framebuffer.c
+++ b/drivers/gpu/drm/drm_framebuffer.c
@@ -751,6 +751,11 @@ struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev,
* those used for fbdev. Note that the caller must hold a reference of it's own,
* i.e. the object may not be destroyed through this call (since it'll lead to a
* locking inversion).
+ *
+ * NOTE: This function is deprecated. For driver-private framebuffers it is not
+ * recommended to embed a framebuffer struct info fbdev struct, instead, a
+ * framebuffer pointer is preferred and drm_framebuffer_unreference() should be
+ * called when the framebuffer is to be cleaned up.
*/
void drm_framebuffer_unregister_private(struct drm_framebuffer *fb)
{
--
1.9.1
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