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

Open Source and information security mailing list archives

Date:   Thu, 9 Feb 2017 17:18:42 +0000
From:   Liviu Dudau <liviu.dudau@....com>
To:     Mihail Atanassov <mihail.atanassov@....com>,
        dri-devel@...ts.freedesktop.org, 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 05:57:04PM +0100, Daniel Vetter wrote:
> 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 ...

There is another patch that should come through, I can see it in my home account.

Liviu

> -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

-- 
====================
| I would like to |
| fix the world,  |
| but they're not |
| giving me the   |
 \ source code!  /
  ---------------
    ¯\_(ツ)_/¯

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