linux-kernel - Re: [PATCH 1/2 v2] drm/doc: Allow new UAPI to be used once it's in drm-next/drm-misc-next.

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Date:   Thu, 25 Apr 2019 08:33:21 +0200
From:   Daniel Vetter <daniel@...ll.ch>
To:     Eric Anholt <eric@...olt.net>
Cc:     dri-devel@...ts.freedesktop.org, Dave Airlie <airlied@...il.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2 v2] drm/doc: Allow new UAPI to be used once it's in
 drm-next/drm-misc-next.

On Wed, Apr 24, 2019 at 03:06:38PM -0700, Eric Anholt wrote:
> I was trying to figure out if it was permissible to merge the Mesa
> side of V3D's CSD support yet while it's in drm-misc-next but not
> drm-next, and developers on #dri-devel IRC had differing opinions of
> what the requirement was.
> 
> v2: Restrict to just drm-next or drm-misc-next on airlied's request.

Personally I think that's a bit too strict (if people want to screw up,
they will be able to anyway). But since I'm all for clearer rules where
possible, this has my support too.

Reviewed-by: Daniel Vetter <daniel.vetter@...ll.ch>

> 
> Signed-off-by: Eric Anholt <eric@...olt.net>
> ---
>  Documentation/gpu/drm-uapi.rst | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/gpu/drm-uapi.rst b/Documentation/gpu/drm-uapi.rst
> index c9fd23efd957..b7a96dc02d21 100644
> --- a/Documentation/gpu/drm-uapi.rst
> +++ b/Documentation/gpu/drm-uapi.rst
> @@ -92,9 +92,9 @@ leads to a few additional requirements:
>    requirements by doing a quick fork.
>  
>  - The kernel patch can only be merged after all the above requirements are met,
> -  but it **must** be merged **before** the userspace patches land. uAPI always flows
> -  from the kernel, doing things the other way round risks divergence of the uAPI
> -  definitions and header files.
> +  but it **must** be merged to either drm-next or drm-misc-next **before** the
> +  userspace patches land. uAPI always flows from the kernel, doing things the
> +  other way round risks divergence of the uAPI definitions and header files.
>  
>  These are fairly steep requirements, but have grown out from years of shared
>  pain and experience with uAPI added hastily, and almost always regretted about
> -- 
> 2.20.1
> 
> _______________________________________________
> 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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