linux-kernel - Re: [PATCH 1/3] drm: add gem ttm helpers

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Message-ID: <20190806154627.GA10478@ravnborg.org>
Date:   Tue, 6 Aug 2019 17:46:27 +0200
From:   Sam Ravnborg <sam@...nborg.org>
To:     Gerd Hoffmann <kraxel@...hat.com>
Cc:     dri-devel@...ts.freedesktop.org,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        open list <linux-kernel@...r.kernel.org>,
        David Airlie <airlied@...ux.ie>, tzimmermann@...e.de,
        Sean Paul <sean@...rly.run>
Subject: Re: [PATCH 1/3] drm: add gem ttm helpers

Hi Gerd.

On Tue, Aug 06, 2019 at 03:34:52PM +0200, Gerd Hoffmann wrote:
> Now with ttm_buffer_object being a subclass of drm_gem_object we can
> easily lookup ttm_buffer_object for a given drm_gem_object, which in
> turm allows to create common helper functions.  This patch starts off
> with dump mmap helpers.
> 
> Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>

One nit below.

> ---
>  include/drm/drm_gem_ttm_helper.h     | 27 +++++++++++++++
>  drivers/gpu/drm/drm_gem_ttm_helper.c | 52 ++++++++++++++++++++++++++++
>  drivers/gpu/drm/Kconfig              |  7 ++++
>  drivers/gpu/drm/Makefile             |  3 ++
>  4 files changed, 89 insertions(+)
>  create mode 100644 include/drm/drm_gem_ttm_helper.h
>  create mode 100644 drivers/gpu/drm/drm_gem_ttm_helper.c
> 
> diff --git a/include/drm/drm_gem_ttm_helper.h b/include/drm/drm_gem_ttm_helper.h
> new file mode 100644
> index 000000000000..2c6874190b17
> --- /dev/null
> +++ b/include/drm/drm_gem_ttm_helper.h
> @@ -0,0 +1,27 @@
> +/* SPDX-License-Identifier: GPL-2.0-or-later */
> +
> +#ifndef DRM_GEM_TTM_HELPER_H
> +#define DRM_GEM_TTM_HELPER_H
> +
> +#include <drm/drm_gem.h>
> +#include <drm/ttm/ttm_bo_api.h>
> +#include <linux/kernel.h> /* for container_of() */

The typical order of include files is:

#include <linux/*>

#include <drm/*>

So space between each block of includes and sort within each block.

The comment "/* for container_of() */" is not really useful for
anyone.

	Sam