Re: [Outreachy kernel] Re: [PATCH v4] drm/i915: Replace *_reference/unreference() or *_ref/unref with _get/put()

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On Fri, Oct 13, 2017 at 08:03:59PM +0530, Harsha Sharma wrote:
> On Mon, Oct 9, 2017 at 5:36 PM, Harsha Sharma
> <harshasharmaiitr@xxxxxxxxx> wrote:
> > Replace instances of drm_framebuffer_reference/unreference() with
> > *_get/put() suffixes and drm_dev_unref with *_put() suffix
> > because get/put is shorter and consistent with the
> > kernel use of *_get/put suffixes.
> > Done with following coccinelle semantic patch
> >
> > @@
> > expression ex;
> > @@
> >
> > (
> > -drm_framebuffer_unreference(ex);
> > +drm_framebuffer_put(ex);
> > |
> > -drm_dev_unref(ex);
> > +drm_dev_put(ex);
> > |
> > -drm_framebuffer_reference(ex);
> > +drm_framebuffer_get(ex);
> > )
> >
> > Signed-off-by: Harsha Sharma <harshasharmaiitr@xxxxxxxxx>
> > ---
> > Changes in v4:
> >  -change one instance of *_put to *_get
> > Changes in v3:
> >  -Removed changes in selftests
> > Changes in v2:
> >  -Added cocinelle patch in log message
> >  -cc to all driver-specific mailing lists
> >
> >  drivers/gpu/drm/i915/i915_pci.c      |  2 +-
> >  drivers/gpu/drm/i915/intel_display.c | 10 +++++-----
> >  drivers/gpu/drm/i915/intel_fbdev.c   |  4 ++--
> >  3 files changed, 8 insertions(+), 8 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
> > index 09d97e0990b7..2f106cca46b4 100644
> > --- a/drivers/gpu/drm/i915/i915_pci.c
> > +++ b/drivers/gpu/drm/i915/i915_pci.c
> > @@ -510,7 +510,7 @@ static void i915_pci_remove(struct pci_dev *pdev)
> >         struct drm_device *dev = pci_get_drvdata(pdev);
> >
> >         i915_driver_unload(dev);
> > -       drm_dev_unref(dev);
> > +       drm_dev_put(dev);
> >  }
> >
> >  static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
> > diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
> > index 64f7b51ed97c..cb62f7e5d59a 100644
> > --- a/drivers/gpu/drm/i915/intel_display.c
> > +++ b/drivers/gpu/drm/i915/intel_display.c
> > @@ -2856,7 +2856,7 @@ 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;
> >                 }
> >         }
> > @@ -2887,7 +2887,7 @@ 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;
> >         }
> >
> > @@ -2908,7 +2908,7 @@ 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;
> >
> > @@ -9847,7 +9847,7 @@ 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;
> > @@ -10028,7 +10028,7 @@ 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)
> > diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c
> > index 262e75c00dd2..e34334a1fbf9 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)) {
> > @@ -624,7 +624,7 @@ 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) {
> >
> I hope that this one can be merged.
> Please let me know if any change is required.
> Thanks for your time.

Sorry, fell through the cracks.

Applied now to drm-intel-next-queued, thanks for your patch.
-Daniel
-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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