Re: linux-next: build warning after merge of the amdgpu tree

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On Tue, Dec 12, 2023 at 4:02 AM Melissa Wen <mwen@xxxxxxxxxx> wrote:
>
> On 12/12, Stephen Rothwell wrote:
> > Hi all,
> >
> > On Tue, 12 Dec 2023 11:04:15 +1100 Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx> wrote:
> > >
> > > After merging the amdgpu tree, today's linux-next build (arm
> > > multi_v7_defconfig) produced this warning:
> > >
> > > drivers/gpu/drm/drm_atomic_uapi.c:366:1: warning: 'drm_atomic_replace_property_blob_from_id' defined but not used [-Wunused-function]
> > >   366 | drm_atomic_replace_property_blob_from_id(struct drm_device *dev,
> > >       | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> > >
> > > Introduced by commit
> > >
> > >   1d2b049e4582 ("drm/drm_property: make replace_property_blob_from_id a DRM helper")
> >
> > This became a build failure in the i386 defconfig build, so I applied
> > the following patch for today.
>
> Yes, I also noticed it yesterday when building amd-staging-drm-next.
>
> Something went wrong when they applied this patch:
> https://lore.kernel.org/amd-gfx/20231116195812.906115-3-mwen@xxxxxxxxxx/
> and your patch below is exactly the part of this patch ^ that is
> missing.

I'll ask the display guys what happened there, but in the meantime,
I'll fix that up.

>
> In addition, only the first four patches of the series were applied.

The rest were still going through CI when I pushed out my updates.

Alex

>
> Thanks,
>
> Melissa
>
> >
> > From: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> > Date: Tue, 12 Dec 2023 13:53:55 +1100
> > Subject: [PATCH] drm: remove unused function drm_atomic_replace_property_blob_from_id()
> >
> > Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> > ---
> >  drivers/gpu/drm/drm_atomic_uapi.c | 42 -------------------------------
> >  1 file changed, 42 deletions(-)
> >
> > diff --git a/drivers/gpu/drm/drm_atomic_uapi.c b/drivers/gpu/drm/drm_atomic_uapi.c
> > index 70ddbb93e466..29d4940188d4 100644
> > --- a/drivers/gpu/drm/drm_atomic_uapi.c
> > +++ b/drivers/gpu/drm/drm_atomic_uapi.c
> > @@ -362,48 +362,6 @@ static s32 __user *get_out_fence_for_connector(struct drm_atomic_state *state,
> >       return fence_ptr;
> >  }
> >
> > -static int
> > -drm_atomic_replace_property_blob_from_id(struct drm_device *dev,
> > -                                      struct drm_property_blob **blob,
> > -                                      uint64_t blob_id,
> > -                                      ssize_t expected_size,
> > -                                      ssize_t expected_elem_size,
> > -                                      bool *replaced)
> > -{
> > -     struct drm_property_blob *new_blob = NULL;
> > -
> > -     if (blob_id != 0) {
> > -             new_blob = drm_property_lookup_blob(dev, blob_id);
> > -             if (new_blob == NULL) {
> > -                     drm_dbg_atomic(dev,
> > -                                    "cannot find blob ID %llu\n", blob_id);
> > -                     return -EINVAL;
> > -             }
> > -
> > -             if (expected_size > 0 &&
> > -                 new_blob->length != expected_size) {
> > -                     drm_dbg_atomic(dev,
> > -                                    "[BLOB:%d] length %zu different from expected %zu\n",
> > -                                    new_blob->base.id, new_blob->length, expected_size);
> > -                     drm_property_blob_put(new_blob);
> > -                     return -EINVAL;
> > -             }
> > -             if (expected_elem_size > 0 &&
> > -                 new_blob->length % expected_elem_size != 0) {
> > -                     drm_dbg_atomic(dev,
> > -                                    "[BLOB:%d] length %zu not divisible by element size %zu\n",
> > -                                    new_blob->base.id, new_blob->length, expected_elem_size);
> > -                     drm_property_blob_put(new_blob);
> > -                     return -EINVAL;
> > -             }
> > -     }
> > -
> > -     *replaced |= drm_property_replace_blob(blob, new_blob);
> > -     drm_property_blob_put(new_blob);
> > -
> > -     return 0;
> > -}
> > -
> >  static int drm_atomic_crtc_set_property(struct drm_crtc *crtc,
> >               struct drm_crtc_state *state, struct drm_property *property,
> >               uint64_t val)
> > --
> > 2.40.1
> >
> > --
> > Cheers,
> > Stephen Rothwell
>
>





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