Re: [PATCH 12/29] drm/i915: switch to drm_*{get,put} helpers

Daniel Vetter
2017-08-03T12:49:03Z

On Thu, Aug 03, 2017 at 03:26:01PM +0300, Jani Nikula wrote:
> On Thu, 03 Aug 2017, Cihangir Akturk <cakturk@gmail.com> wrote:
> > drm_*_reference() and drm_*_unreference() functions are just
> > compatibility alias for drm_*_get() and drm_*_put() adn should not be
> > used by new code. So convert all users of compatibility functions to use
> > the new APIs.
>
> Please include the cocci script in the commit message. If you didn't use
> cocci, you should check it out! :)

Yeah I assume you've created these with spatch/cocci, not with your own
script. I trust cocci a lot more than any kind of scripting, and the
coccie patch is already in there kernel (the commits you've cited in the
cover letter contain it iirc).

Thanks, Daniel
>
> BR,
> Jani.
>
> >
> > Signed-off-by: Cihangir Akturk <cakturk@gmail.com>
> > ---
> > drivers/gpu/drm/i915/i915_gem_object.h | 10 +++++-----
> > drivers/gpu/drm/i915/intel_display.c | 24 ++++++++++++------------
> > drivers/gpu/drm/i915/intel_dp_mst.c | 2 +-
> > drivers/gpu/drm/i915/intel_fbdev.c | 4 ++--
> > 4 files changed, 20 insertions(+), 20 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/i915_gem_object.h b/drivers/gpu/drm/i915/i915_gem_object.h
> > index 5b19a49..8f6c915 100644
> > --- a/drivers/gpu/drm/i915/i915_gem_object.h
> > +++ b/drivers/gpu/drm/i915/i915_gem_object.h
> > @@ -257,25 +257,25 @@ __attribute__((nonnull))
> > static inline struct drm_i915_gem_object *
> > i915_gem_object_get(struct drm_i915_gem_object *obj)
> > {
> > - drm_gem_object_reference(&obj->base);
> > + drm_gem_object_get(&obj->base);
> > return obj;
> > }
> >
> > __deprecated
> > -extern void drm_gem_object_reference(struct drm_gem_object *);
> > +extern void drm_gem_object_get(struct drm_gem_object *);
> >
> > __attribute__((nonnull))
> > static inline void
> > i915_gem_object_put(struct drm_i915_gem_object *obj)
> > {
> > - __drm_gem_object_unreference(&obj->base);
> > + __drm_gem_object_put(&obj->base);
> > }
> >
> > __deprecated
> > -extern void drm_gem_object_unreference(struct drm_gem_object *);
> > +extern void drm_gem_object_put(struct drm_gem_object *);
> >
> > __deprecated
> > -extern void drm_gem_object_unreference_unlocked(struct drm_gem_object *);
> > +extern void drm_gem_object_put_unlocked(struct drm_gem_object *);
> >
> > static inline void i915_gem_object_lock(struct drm_i915_gem_object *obj)
> > {
> > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> > index dec9e58..b4d03cf 100644
> > --- a/drivers/gpu/drm/i915/intel_display.c
> > +++ b/drivers/gpu/drm/i915/intel_display.c
> > @@ -2672,10 +2672,10 @@ update_state_fb(struct drm_plane *plane)
> > return;
> >
> > if (plane->state->fb)
> > - drm_framebuffer_unreference(plane->state->fb);
> > + drm_framebuffer_put(plane->state->fb);
> > plane->state->fb = plane->fb;
> > if (plane->state->fb)
> > - drm_framebuffer_reference(plane->state->fb);
> > + drm_framebuffer_get(plane->state->fb);
> > }
> >
> > static void
> > @@ -2746,7 +2746,7 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
> >
> > if (intel_plane_ggtt_offset(state) == plane_config->base) {
> > fb = c->primary->fb;
> > - drm_framebuffer_reference(fb);
> > + drm_framebuffer_get(fb);
> > goto valid_fb;
> > }
> > }
> > @@ -2777,7 +2777,7 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
> > intel_crtc->pipe, PTR_ERR(intel_state->vma));
> >
> > intel_state->vma = NULL;
> > - drm_framebuffer_unreference(fb);
> > + drm_framebuffer_put(fb);
> > return;
> > }
> >
> > @@ -2798,7 +2798,7 @@ intel_find_initial_plane_obj(struct intel_crtc *intel_crtc,
> > if (i915_gem_object_is_tiled(obj))
> > dev_priv->preserve_bios_swizzle = true;
> >
> > - drm_framebuffer_reference(fb);
> > + drm_framebuffer_get(fb);
> > primary->fb = primary->state->fb = fb;
> > primary->crtc = primary->state->crtc = &intel_crtc->base;
> >
> > @@ -9668,7 +9668,7 @@ mode_fits_in_fbdev(struct drm_device *dev,
> > if (obj->base.size < mode->vdisplay * fb->pitches[0])
> > return NULL;
> >
> > - drm_framebuffer_reference(fb);
> > + drm_framebuffer_get(fb);
> > return fb;
> > #else
> > return NULL;
> > @@ -9849,7 +9849,7 @@ int intel_get_load_detect_pipe(struct drm_connector *connector,
> > if (ret)
> > goto fail;
> >
> > - drm_framebuffer_unreference(fb);
> > + drm_framebuffer_put(fb);
> >
> > ret = drm_atomic_set_mode_for_crtc(&crtc_state->base, mode);
> > if (ret)
> > @@ -10159,7 +10159,7 @@ static void intel_unpin_work_fn(struct work_struct *__work)
> > intel_frontbuffer_flip_complete(to_i915(dev),
> > to_intel_plane(primary)->frontbuffer_bit);
> > intel_fbc_post_update(crtc);
> > - drm_framebuffer_unreference(work->old_fb);
> > + drm_framebuffer_put(work->old_fb);
> >
> > BUG_ON(atomic_read(&crtc->unpin_work_count) == 0);
> > atomic_dec(&crtc->unpin_work_count);
> > @@ -10799,7 +10799,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
> > flush_workqueue(dev_priv->wq);
> >
> > /* Reference the objects for the scheduled work. */
> > - drm_framebuffer_reference(work->old_fb);
> > + drm_framebuffer_get(work->old_fb);
> >
> > crtc->primary->fb = fb;
> > update_state_fb(crtc->primary);
> > @@ -10913,7 +10913,7 @@ static int intel_crtc_page_flip(struct drm_crtc *crtc,
> > update_state_fb(crtc->primary);
> >
> > i915_gem_object_put(obj);
> > - drm_framebuffer_unreference(work->old_fb);
> > + drm_framebuffer_put(work->old_fb);
> >
> > spin_lock_irq(&dev->event_lock);
> > intel_crtc->flip_work = NULL;
> > @@ -11237,7 +11237,7 @@ static void intel_modeset_update_connector_atomic_state(struct drm_device *dev)
> > drm_connector_list_iter_begin(dev, &conn_iter);
> > for_each_intel_connector_iter(connector, &conn_iter) {
> > if (connector->base.state->crtc)
> > - drm_connector_unreference(&connector->base);
> > + drm_connector_put(&connector->base);
> >
> > if (connector->base.encoder) {
> > connector->base.state->best_encoder =
> > @@ -11245,7 +11245,7 @@ static void intel_modeset_update_connector_atomic_state(struct drm_device *dev)
> > connector->base.state->crtc =
> > connector->base.encoder->crtc;
> >
> > - drm_connector_reference(&connector->base);
> > + drm_connector_get(&connector->base);
> > } else {
> > connector->base.state->best_encoder = NULL;
> > connector->base.state->crtc = NULL;
> > diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c
> > index 2cf046b..b942578 100644
> > --- a/drivers/gpu/drm/i915/intel_dp_mst.c
> > +++ b/drivers/gpu/drm/i915/intel_dp_mst.c
> > @@ -524,7 +524,7 @@ static void intel_dp_destroy_mst_connector(struct drm_dp_mst_topology_mgr *mgr,
> > intel_connector->mst_port = NULL;
> > drm_modeset_unlock_all(dev);
> >
> > - drm_connector_unreference(&intel_connector->base);
> > + drm_connector_put(&intel_connector->base);
> > DRM_DEBUG_KMS("\n");
> > }
> >
> > diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c
> > index 0c4cde6..13fbe80 100644
> > --- a/drivers/gpu/drm/i915/intel_fbdev.c
> > +++ b/drivers/gpu/drm/i915/intel_fbdev.c
> > @@ -189,7 +189,7 @@ static int intelfb_create(struct drm_fb_helper *helper,
> > " releasing it\n",
> > intel_fb->base.width, intel_fb->base.height,
> > sizes->fb_width, sizes->fb_height);
> > - drm_framebuffer_unreference(&intel_fb->base);
> > + drm_framebuffer_put(&intel_fb->base);
> > intel_fb = ifbdev->fb = NULL;
> > }
> > if (!intel_fb || WARN_ON(!intel_fb->obj)) {
> > @@ -650,7 +650,7 @@ static bool intel_fbdev_init_bios(struct drm_device *dev,
> > ifbdev->preferred_bpp = fb->base.format->cpp[0] * 8;
> > ifbdev->fb = fb;
> >
> > - drm_framebuffer_reference(&ifbdev->fb->base);
> > + drm_framebuffer_get(&ifbdev->fb->base);
> >
> > /* Final pass to check if any active pipes don't have fbs */
> > for_each_crtc(dev, crtc) {
>
> --
> Jani Nikula, Intel Open Source Technology Center
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel

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