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Message-ID: <20170811150159.GA14080@yoga.localdomain>
Date: Fri, 11 Aug 2017 18:01:59 +0300
From: Cihangir Akturk <cakturk@...il.com>
To: Lucas Stach <l.stach@...gutronix.de>
Cc: daniel@...ll.ch, linux-kernel@...r.kernel.org,
dri-devel@...ts.freedesktop.org,
Russell King <linux+etnaviv@...linux.org.uk>,
Christian Gmeiner <christian.gmeiner@...il.com>,
David Airlie <airlied@...ux.ie>, etnaviv@...ts.freedesktop.org
Subject: Re: [PATCH v3 07/28] drm/etnaviv: switch to drm_*_get(), drm_*_put()
helpers
On Fri, Aug 11, 2017 at 04:43:07PM +0200, Lucas Stach wrote:
> Am Freitag, den 11.08.2017, 15:32 +0300 schrieb Cihangir Akturk:
> > Use drm_*_get() and drm_*_put() helpers instead of drm_*_reference()
> > and drm_*_unreference() helpers.
> >
> > drm_*_reference() and drm_*_unreference() functions are just
> > compatibility alias for drm_*_get() and drm_*_put() and should not be
> > used by new code. So convert all users of compatibility functions to
> > use the new APIs.
> >
> > Generated by: scripts/coccinelle/api/drm-get-put.cocci
> >
> > Signed-off-by: Cihangir Akturk <cakturk@...il.com>
>
> I have already applied v1 of this patch to the etnaviv tree.
This is identical to the same patch of v1, just based on drm-misc-next
as suggested by Sean Paul.
> Regards,
> Lucas
>
> > ---
> > drivers/gpu/drm/etnaviv/etnaviv_drv.c | 8 ++++----
> > drivers/gpu/drm/etnaviv/etnaviv_gem.c | 20 ++++++++++----------
> > drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c | 2 +-
> > drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 4 ++--
> > 4 files changed, 17 insertions(+), 17 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/etnaviv/etnaviv_drv.c b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
> > index 91e17ae..2cb4773 100644
> > --- a/drivers/gpu/drm/etnaviv/etnaviv_drv.c
> > +++ b/drivers/gpu/drm/etnaviv/etnaviv_drv.c
> > @@ -316,7 +316,7 @@ static int etnaviv_ioctl_gem_cpu_prep(struct drm_device *dev, void *data,
> >
> > ret = etnaviv_gem_cpu_prep(obj, args->op, &TS(args->timeout));
> >
> > - drm_gem_object_unreference_unlocked(obj);
> > + drm_gem_object_put_unlocked(obj);
> >
> > return ret;
> > }
> > @@ -337,7 +337,7 @@ static int etnaviv_ioctl_gem_cpu_fini(struct drm_device *dev, void *data,
> >
> > ret = etnaviv_gem_cpu_fini(obj);
> >
> > - drm_gem_object_unreference_unlocked(obj);
> > + drm_gem_object_put_unlocked(obj);
> >
> > return ret;
> > }
> > @@ -357,7 +357,7 @@ static int etnaviv_ioctl_gem_info(struct drm_device *dev, void *data,
> > return -ENOENT;
> >
> > ret = etnaviv_gem_mmap_offset(obj, &args->offset);
> > - drm_gem_object_unreference_unlocked(obj);
> > + drm_gem_object_put_unlocked(obj);
> >
> > return ret;
> > }
> > @@ -446,7 +446,7 @@ static int etnaviv_ioctl_gem_wait(struct drm_device *dev, void *data,
> >
> > ret = etnaviv_gem_wait_bo(gpu, obj, timeout);
> >
> > - drm_gem_object_unreference_unlocked(obj);
> > + drm_gem_object_put_unlocked(obj);
> >
> > return ret;
> > }
> > diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem.c b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
> > index 9a3bea7..e36fbb9 100644
> > --- a/drivers/gpu/drm/etnaviv/etnaviv_gem.c
> > +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem.c
> > @@ -265,7 +265,7 @@ void etnaviv_gem_mapping_reference(struct etnaviv_vram_mapping *mapping)
> > {
> > struct etnaviv_gem_object *etnaviv_obj = mapping->object;
> >
> > - drm_gem_object_reference(&etnaviv_obj->base);
> > + drm_gem_object_get(&etnaviv_obj->base);
> >
> > mutex_lock(&etnaviv_obj->lock);
> > WARN_ON(mapping->use == 0);
> > @@ -282,7 +282,7 @@ void etnaviv_gem_mapping_unreference(struct etnaviv_vram_mapping *mapping)
> > mapping->use -= 1;
> > mutex_unlock(&etnaviv_obj->lock);
> >
> > - drm_gem_object_unreference_unlocked(&etnaviv_obj->base);
> > + drm_gem_object_put_unlocked(&etnaviv_obj->base);
> > }
> >
> > struct etnaviv_vram_mapping *etnaviv_gem_mapping_get(
> > @@ -358,7 +358,7 @@ struct etnaviv_vram_mapping *etnaviv_gem_mapping_get(
> > return ERR_PTR(ret);
> >
> > /* Take a reference on the object */
> > - drm_gem_object_reference(obj);
> > + drm_gem_object_get(obj);
> > return mapping;
> > }
> >
> > @@ -671,7 +671,7 @@ static struct drm_gem_object *__etnaviv_gem_new(struct drm_device *dev,
> > return obj;
> >
> > fail:
> > - drm_gem_object_unreference_unlocked(obj);
> > + drm_gem_object_put_unlocked(obj);
> > return ERR_PTR(ret);
> > }
> >
> > @@ -688,14 +688,14 @@ int etnaviv_gem_new_handle(struct drm_device *dev, struct drm_file *file,
> >
> > ret = etnaviv_gem_obj_add(dev, obj);
> > if (ret < 0) {
> > - drm_gem_object_unreference_unlocked(obj);
> > + drm_gem_object_put_unlocked(obj);
> > return ret;
> > }
> >
> > ret = drm_gem_handle_create(file, obj, handle);
> >
> > /* drop reference from allocate - handle holds it now */
> > - drm_gem_object_unreference_unlocked(obj);
> > + drm_gem_object_put_unlocked(obj);
> >
> > return ret;
> > }
> > @@ -712,7 +712,7 @@ struct drm_gem_object *etnaviv_gem_new(struct drm_device *dev,
> >
> > ret = etnaviv_gem_obj_add(dev, obj);
> > if (ret < 0) {
> > - drm_gem_object_unreference_unlocked(obj);
> > + drm_gem_object_put_unlocked(obj);
> > return ERR_PTR(ret);
> > }
> >
> > @@ -800,7 +800,7 @@ static void __etnaviv_gem_userptr_get_pages(struct work_struct *_work)
> > }
> >
> > mutex_unlock(&etnaviv_obj->lock);
> > - drm_gem_object_unreference_unlocked(&etnaviv_obj->base);
> > + drm_gem_object_put_unlocked(&etnaviv_obj->base);
> >
> > mmput(work->mm);
> > put_task_struct(work->task);
> > @@ -858,7 +858,7 @@ static int etnaviv_gem_userptr_get_pages(struct etnaviv_gem_object *etnaviv_obj)
> > }
> >
> > get_task_struct(current);
> > - drm_gem_object_reference(&etnaviv_obj->base);
> > + drm_gem_object_get(&etnaviv_obj->base);
> >
> > work->mm = mm;
> > work->task = current;
> > @@ -924,6 +924,6 @@ int etnaviv_gem_new_userptr(struct drm_device *dev, struct drm_file *file,
> > ret = drm_gem_handle_create(file, &etnaviv_obj->base, handle);
> > unreference:
> > /* drop reference from allocate - handle holds it now */
> > - drm_gem_object_unreference_unlocked(&etnaviv_obj->base);
> > + drm_gem_object_put_unlocked(&etnaviv_obj->base);
> > return ret;
> > }
> > diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
> > index e5da4f23..ae88472 100644
> > --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
> > +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_prime.c
> > @@ -146,7 +146,7 @@ struct drm_gem_object *etnaviv_gem_prime_import_sg_table(struct drm_device *dev,
> > return &etnaviv_obj->base;
> >
> > fail:
> > - drm_gem_object_unreference_unlocked(&etnaviv_obj->base);
> > + drm_gem_object_put_unlocked(&etnaviv_obj->base);
> >
> > return ERR_PTR(ret);
> > }
> > diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
> > index 5bd9316..d456a6b 100644
> > --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
> > +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c
> > @@ -88,7 +88,7 @@ static int submit_lookup_objects(struct etnaviv_gem_submit *submit,
> > * Take a refcount on the object. The file table lock
> > * prevents the object_idr's refcount on this being dropped.
> > */
> > - drm_gem_object_reference(obj);
> > + drm_gem_object_get(obj);
> >
> > submit->bos[i].obj = to_etnaviv_bo(obj);
> > }
> > @@ -291,7 +291,7 @@ static void submit_cleanup(struct etnaviv_gem_submit *submit)
> > struct etnaviv_gem_object *etnaviv_obj = submit->bos[i].obj;
> >
> > submit_unlock_object(submit, i);
> > - drm_gem_object_unreference_unlocked(&etnaviv_obj->base);
> > + drm_gem_object_put_unlocked(&etnaviv_obj->base);
> > }
> >
> > ww_acquire_fini(&submit->ticket);
>
>
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