linux-kernel - Re: [PATCH 3/5] drm/vram: add vram-mm debugfs file

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Message-ID: <20190903062052.nn57achxfkvnpysr@sirius.home.kraxel.org>
Date:   Tue, 3 Sep 2019 08:20:52 +0200
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     Thomas Zimmermann <tzimmermann@...e.de>
Cc:     dri-devel@...ts.freedesktop.org,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        open list <linux-kernel@...r.kernel.org>,
        David Airlie <airlied@...ux.ie>, Sean Paul <sean@...rly.run>
Subject: Re: [PATCH 3/5] drm/vram: add vram-mm debugfs file

  Hi,

> > +++ b/include/drm/drm_gem_vram_helper.h
> > @@ -123,6 +123,7 @@ int drm_gem_vram_driver_dumb_mmap_offset(struct drm_file *file,
> >   * &struct drm_driver with default functions.
> >   */
> >  #define DRM_GEM_VRAM_DRIVER \
> > +	.debugfs_init             = drm_vram_mm_debugfs_init, \
> 
> > +int drm_vram_mm_debugfs_init(struct drm_minor *minor);
> 
> I cannot find a caller of this function. Will this be called form
> drm_debugfs_init()?

Yes, via drm_driver->debugfs_init which is set above.

cheers,
  Gerd