On Fri, Dec 13, 2019 at 12:08 PM Daniel Vetter <daniel@xxxxxxxx> wrote:
>
> On Mon, Nov 25, 2019 at 10:43:55AM +0100, Daniel Vetter wrote:
> > I'll add more fancy logic to them soon, so everyone really has to use
> > them. Plus they already provide some nice additional debug
> > infrastructure on top of direct ww_mutex usage for the fences tracked
> > by dma_resv.
> >
> > Signed-off-by: Daniel Vetter <daniel.vetter@xxxxxxxxx>
> > Cc: Rob Clark <robdclark@xxxxxxxxx>
> > Cc: Sean Paul <sean@xxxxxxxxxx>
> > Cc: linux-arm-msm@xxxxxxxxxxxxxxx
> > Cc: freedreno@xxxxxxxxxxxxxxxxxxxxx
>
> Ping for some review/acks.
>
> Thanks, Daniel
>
> > ---
> > drivers/gpu/drm/msm/msm_gem_submit.c | 10 +++++-----
> > 1 file changed, 5 insertions(+), 5 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/msm/msm_gem_submit.c b/drivers/gpu/drm/msm/msm_gem_submit.c
> > index 7d04c47d0023..385d4965a8d0 100644
> > --- a/drivers/gpu/drm/msm/msm_gem_submit.c
> > +++ b/drivers/gpu/drm/msm/msm_gem_submit.c
> > @@ -157,7 +157,7 @@ static void submit_unlock_unpin_bo(struct msm_gem_submit *submit,
> > msm_gem_unpin_iova(&msm_obj->base, submit->aspace);
> >
> > if (submit->bos[i].flags & BO_LOCKED)
> > - ww_mutex_unlock(&msm_obj->base.resv->lock);
> > + dma_resv_unlock(msm_obj->base.resv);
> >
> > if (backoff && !(submit->bos[i].flags & BO_VALID))
> > submit->bos[i].iova = 0;
> > @@ -180,8 +180,8 @@ static int submit_lock_objects(struct msm_gem_submit *submit)
> > contended = i;
> >
> > if (!(submit->bos[i].flags & BO_LOCKED)) {
> > - ret = ww_mutex_lock_interruptible(&msm_obj->base.resv->lock,
> > - &submit->ticket);
> > + ret = dma_resv_lock_interruptible(msm_obj->base.resv,
> > + &submit->ticket);
> > if (ret)
> > goto fail;
> > submit->bos[i].flags |= BO_LOCKED;
> > @@ -202,8 +202,8 @@ static int submit_lock_objects(struct msm_gem_submit *submit)
> > if (ret == -EDEADLK) {
> > struct msm_gem_object *msm_obj = submit->bos[contended].obj;
> > /* we lost out in a seqno race, lock and retry.. */
> > - ret = ww_mutex_lock_slow_interruptible(&msm_obj->base.resv->lock,
> > - &submit->ticket);
> > + ret = dma_resv_lock_slow_interruptible(msm_obj->base.resv,
> > + &submit->ticket);
> > if (!ret) {
> > submit->bos[contended].flags |= BO_LOCKED;
> > slow_locked = contended;
> > --
> > 2.24.0
> >
Reviewed-by: Eric Anholt <eric@xxxxxxxxxx>
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