linux-kernel - Re: [PATCH v4 09/79] via_drm.h: don't include non-existing via

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Message-ID: <CACvgo52RaeWsiCaVb=0RXFXp1A9a9OGMoFHhjwdU8LoYCVommA@mail.gmail.com>
Date:	Wed, 21 Oct 2015 16:01:18 +0100
From:	Emil Velikov <emil.l.velikov@...il.com>
To:	Mikko Rapeli <mikko.rapeli@....fi>
Cc:	"Linux-Kernel@...r. Kernel. Org" <linux-kernel@...r.kernel.org>,
	ML dri-devel <dri-devel@...ts.freedesktop.org>,
	"open list:ABI/API" <linux-api@...r.kernel.org>
Subject: Re: [PATCH v4 09/79] via_drm.h: don't include non-existing via_drmclient.h

On 15 October 2015 at 06:55, Mikko Rapeli <mikko.rapeli@....fi> wrote:
> Fixes compiler error:
>
> drm/via_drm.h:36:27: fatal error: via_drmclient.h: No such file or directory
>
> Signed-off-by: Mikko Rapeli <mikko.rapeli@....fi>
> ---
>  include/uapi/drm/via_drm.h | 3 ---
>  1 file changed, 3 deletions(-)
>
> diff --git a/include/uapi/drm/via_drm.h b/include/uapi/drm/via_drm.h
> index 8b0533c..d19c0e2 100644
> --- a/include/uapi/drm/via_drm.h
> +++ b/include/uapi/drm/via_drm.h
> @@ -33,9 +33,6 @@
>  #ifndef _VIA_DEFINES_
>  #define _VIA_DEFINES_
>
> -#ifndef __KERNEL__
> -#include "via_drmclient.h"
> -#endif
>
Now this one is messy. If we remove it, existing userspace [0] won't
be able to build. As they don't include the above header where needed,
but instead rely on via_drm.h. Despite the fact that each user
provides its own copy of via_drmclient.h.
There is some very old hardware/software involved so I'm not sure how
much of a real issue this patch will be. If the maintainers decide to
pick it up, let me know and I'll roll a fix for the ddx.

-Emil

[0] There are two users afaict - the via dri mesa module and
xf86-video-via. With the former nuked some 5 years ago with mesa
commit e4344161bde2e24fcfba65d30d58f087bd8bf94d
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