On Tue, Mar 13, 2018 at 01:30:10PM +0200, Jani Nikula wrote:
> Set max line length to 100. I don't want to silence the LONG_LINE
> warning altogether, and I'd still prefer to keep lines under 80
> characters, but I also don't want to see all the noise, and nor do I
> want to see silly code trying to arbitrarily squeeze under 80 when it
> doesn't make sense. 100 is a nice arbitrary round number... I hope
> review catches silly stuff regardless. Fingers crossed.
> 
> BIT_MACRO. We have (1 << N) all over the place. I hope to switch to
> BIT() macro eventually, but this documents current use.
> 
> PREFER_KERNEL_TYPES. We also have uint(8|16|32|64)_t all over the
> place. I also hope to move towards kernel types, but this documents
> current use.
> 
> SPLIT_STRING, LONG_LINE_STRING. Don't nag about strings split to many
> lines, but also don't nag about strings not split.
> 
> There's plenty more that could be tweaked, but let's start with
> something to improve the S/N ratio of the automated CI checkpatch
> reports. Now that we have --show-types included in the output, we can
> more easily discuss the ignores on a case-by-case basis.
> 
> Cc: Arkadiusz Hiler <arkadiusz.hi...@intel.com>
> Cc: Joonas Lahtinen <joonas.lahti...@linux.intel.com>
> Cc: Rodrigo Vivi <rodrigo.v...@intel.com>
> Signed-off-by: Jani Nikula <jani.nik...@intel.com>
> ---
>  dim | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/dim b/dim
> index 4ba1c7ff490a..9fa6d9cd855b 100755
> --- a/dim
> +++ b/dim
> @@ -1390,7 +1390,7 @@ function checkpatch_commit
>                       profile_options=""
>                       ;;
>               drm-intel)
> -                     profile_options=""
> +                     profile_options="--max-line-length=100 
> --ignore=BIT_MACRO,PREFER_KERNEL_TYPES,SPLIT_STRING,LONG_LINE_STRING"

I've scrolled a bit through checkpatch complaines with this, and I think
it looks a lot more reasonable. There's also a huge pile of stuff that we
should probably have fixed when the patches landed, so CI'ing this looks
good.

Reviewed-by: Daniel Vetter <daniel.vet...@ffwll.ch>

Aside: Should we encourage checkpatch patches to clean this up, with the
note that they must use the drm-intel profile and the caveat that we might
want to add more stuff to our ignore list instead of taking the patches?
-Daniel

>                       ;;
>               *)
>                       echoerr "Unknown checkpatch profile $profile"
> -- 
> 2.11.0
> 
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-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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