[PATCH] drm/drv: Use // for comments in example code

[Sam Ravnborg]

Hi Jonathan.

Thanks for making this more readable in the html output.

On Thu, Aug 08, 2019 at 06:36:28PM +0200, Jonathan Neuschäfer wrote:
> This improves Sphinx output in two ways:
> 
> - It avoids an unmatched single-quote ('), about which Sphinx complained:
> 
>   /.../Documentation/gpu/drm-internals.rst:298:
>     WARNING: Could not lex literal_block as "c". Highlighting skipped.
> 
>   An alternative approach would be to replace "can't" with a word that
>   doesn't have a single-quote.
> 
> - It lets Sphinx format the comments in italics and grey, making the
>   code slightly easier to read.
> 
> Signed-off-by: Jonathan Neuschäfer <j.neuschaefer at gmx.net>

I got Acked-by from Daniel Vetter and has now applied this patch
to drm-misc-next.
It will show up in linux-next after the merge window.

	Sam