[RFC] drm: Helper macro for drm state duplication

[Daniel Vetter]

On Thu, Feb 09, 2017 at 03:41:41PM +0000, Mihail Atanassov wrote:
> Hi,
> 
> I was working on a few patches adding fields to struct malidp_crtc_state and
> found myself writing memcpy multiple times in the ->atomic_duplicate_state
> hook because I wanted to avoid copying the drm_crtc_state twice
> (__drm_atomic_helper_crtc_duplicate_state copies it already). I figured this
> also applies to the other drm_*_state derivatives, so I concocted a macro
> helper to do the copy in one chunk (two if you count the __drm_atomic_helper*
> one). I'd appreciate some comments on whether anyone else might find this
> macro useful. Thanks!
> 
> Mihail Atanassov (1):
>   drm: Add helper macro for duplicating custom drm_*_state

I don't have your patch here, did something go wrong with the submission?
Only the cover letter seems to have made it through ...
-Daniel

> 
>  include/drm/drm_atomic_helper.h | 33 +++++++++++++++++++++++++++++++++
>  1 file changed, 33 insertions(+)
> 
> -- 
> Mihail Atanassov
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch