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
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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