[PATCH 44/59] drm/ttm: allow drivers to provide their own manager subclasses

[Ben Skeggs]

On Tue, 4 Aug 2020 at 21:30, Christian König <christian.koenig at amd.com> wrote:
>
> Am 04.08.20 um 04:56 schrieb Dave Airlie:
> > From: Dave Airlie <airlied at redhat.com>
> >
> > This will get removed eventually and all drivers will use this.
> >
> > Signed-off-by: Dave Airlie <airlied at redhat.com>
>
> Reviewed-by: Christian König <christian.koenig at amd.com>
Reviewed-by: Ben Skeggs <bskeggs at redhat.com>

>
> > ---
> >   include/drm/ttm/ttm_bo_driver.h | 11 ++++++++++-
> >   1 file changed, 10 insertions(+), 1 deletion(-)
> >
> > diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
> > index 03b253d14e6a..6940d85a531a 100644
> > --- a/include/drm/ttm/ttm_bo_driver.h
> > +++ b/include/drm/ttm/ttm_bo_driver.h
> > @@ -419,7 +419,7 @@ struct ttm_bo_device {
> >        * access via ttm_manager_type.
> >        */
> >       struct ttm_mem_type_manager man_priv[TTM_NUM_MEM_TYPES];
> > -
> > +     struct ttm_mem_type_manager *man_drv[TTM_NUM_MEM_TYPES];
> >       /*
> >        * Protected by internal locks.
> >        */
> > @@ -450,9 +450,18 @@ struct ttm_bo_device {
> >   static inline struct ttm_mem_type_manager *ttm_manager_type(struct ttm_bo_device *bdev,
> >                                                           int mem_type)
> >   {
> > +     if (bdev->man_drv[mem_type])
> > +             return bdev->man_drv[mem_type];
> >       return &bdev->man_priv[mem_type];
> >   }
> >
> > +static inline void ttm_set_driver_manager(struct ttm_bo_device *bdev,
> > +                                       int type,
> > +                                       struct ttm_mem_type_manager *manager)
> > +{
> > +     bdev->man_drv[type] = manager;
> > +}
> > +
> >   /**
> >    * struct ttm_lru_bulk_move_pos
> >    *
>
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