[PATCH 03/49] drm/ttm: split the mm manager init code

[Dave Airlie]

On Fri, 31 Jul 2020 at 15:44, Sam Ravnborg <sam at ravnborg.org> wrote:
>
> Hi Dave.
>
> On Fri, Jul 31, 2020 at 02:04:34PM +1000, Dave Airlie wrote:
> > From: Dave Airlie <airlied at redhat.com>
> >
> > This will allow the driver to control the ordering here better.
> >
> > Eventually the old path will be removed.
> >
> > Signed-off-by: Dave Airlie <airlied at redhat.com>
> > ---
> >  drivers/gpu/drm/ttm/ttm_bo.c    | 34 +++++++++++++++++++--------------
> >  include/drm/ttm/ttm_bo_api.h    |  4 ++++
> >  include/drm/ttm/ttm_bo_driver.h |  6 ++++++
> >  3 files changed, 30 insertions(+), 14 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
> > index 041a0e73cd1b..a658fd584c6d 100644
> > --- a/drivers/gpu/drm/ttm/ttm_bo.c
> > +++ b/drivers/gpu/drm/ttm/ttm_bo.c
> > @@ -1503,35 +1503,41 @@ int ttm_bo_evict_mm(struct ttm_bo_device *bdev, unsigned mem_type)
> >  }
> >  EXPORT_SYMBOL(ttm_bo_evict_mm);
> >
> > -int ttm_bo_init_mm(struct ttm_bo_device *bdev, unsigned type,
> > -                     unsigned long p_size)
> > +void ttm_bo_init_mm_base(struct ttm_bo_device *bdev,
> > +                      struct ttm_mem_type_manager *man,
> > +                      unsigned long p_size)
> >  {
>
> General comment for all the ttm/* changes.
> It would be very nice with some nice explanations for the exported
> functions, preferably in kernel-doc style.
> In case someone that are more or less clueless (like me) would like
> to understand how a function is to be used or maybe reviewing some
> random code.

Good point, I just need to make sure I don't add anything for
something I remove later, but I should definitely add some for the new
interfaces.

Dave.