linux-kernel - Re: [RFC] drm: Helper macro for drm state duplication

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Message-ID: <20170209165704.hh5cb3ywwfg3b2mq@phenom.ffwll.local>
Date:   Thu, 9 Feb 2017 17:57:04 +0100
From:   Daniel Vetter <daniel@...ll.ch>
To:     Mihail Atanassov <mihail.atanassov@....com>
Cc:     dri-devel@...ts.freedesktop.org, Liviu Dudau <liviu.dudau@....com>,
        linux-kernel@...r.kernel.org,
        Daniel Vetter <daniel.vetter@...el.com>, nd@....com
Subject: Re: [RFC] drm: Helper macro for drm state duplication

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
> 
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch

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