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drm: update the documentation of drm_framebuffer_unregister_private

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Add obvious description to drm_framebuffer_unregister_private()
to explain it is deprecated.

Signed-off-by: Rongrong Zou <zourongrong@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/1477915196-100299-1-git-send-email-zourongrong@gmail.com
This commit is contained in:
Rongrong Zou 2016-10-31 19:59:56 +08:00 committed by Daniel Vetter
parent 5c7fcf2db0
commit 03e93ac756
1 changed files with 5 additions and 0 deletions
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5
drivers/gpu/drm/drm_framebuffer.c
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@ -673,6 +673,11 @@ EXPORT_SYMBOL(drm_framebuffer_lookup);
* 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)
{