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Tue, 7 Oct 2025 10:23:19 +0200 (CEST) Date: Tue, 29 Apr 2025 18:13:05 +0200 From: Boris Brezillon To: =?UTF-8?B?QWRyacOhbg==?= Larumbe Cc: linux-kernel@vger.kernel.org, Arnd Bergmann , Arnd Bergmann , Steven Price , Liviu Dudau , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , dri-devel@lists.freedesktop.org Subject: Re: [PATCH] drm/panthor: Fix build warning when DEBUG_FS is disabled Message-ID: <20250429181305.47d65c9a@collabora.com> In-Reply-To: <20250424184041.356191-1-adrian.larumbe@collabora.com> References: <20250424184041.356191-1-adrian.larumbe@collabora.com> Organization: Collabora X-Mailer: Claws Mail 4.3.1 (GTK 3.24.49; x86_64-redhat-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-ZM-MESSAGEID: 1745943243961134400 On Thu, 24 Apr 2025 19:40:34 +0100 Adri=C3=A1n Larumbe wrote: > Commit a3707f53eb3f ("drm/panthor: show device-wide list of DRM GEM > objects over DebugFS") causes a build warning and linking error when > built without support for DebugFS, because of a non-inline non-static > function declaration in a header file. >=20 > On top of that, the function is only being used inside a single > compilation unit, so there is no point in exposing it as a global > symbol. >=20 > This is a follow-up from Arnd Bergmann's first fix. > Also move panthor_gem_debugfs_set_usage_flags() into panthor_gem.c and > declare it static. >=20 > Fixes: a3707f53eb3f ("drm/panthor: show device-wide list of DRM GEM objec= ts over DebugFS") > Reported-by: Arnd Bergmann > Closes: https://lore.kernel.org/dri-devel/20250424142419.47b9d457@collabo= ra.com/T/#t > Signed-off-by: Adri=C3=A1n Larumbe Queued to drm-misc-next. > --- > drivers/gpu/drm/panthor/panthor_gem.c | 5 +++++ > drivers/gpu/drm/panthor/panthor_gem.h | 8 -------- > 2 files changed, 5 insertions(+), 8 deletions(-) >=20 > diff --git a/drivers/gpu/drm/panthor/panthor_gem.c b/drivers/gpu/drm/pant= hor/panthor_gem.c > index 2dcf308094b2..7c00fd77758b 100644 > --- a/drivers/gpu/drm/panthor/panthor_gem.c > +++ b/drivers/gpu/drm/panthor/panthor_gem.c > @@ -42,11 +42,16 @@ static void panthor_gem_debugfs_bo_rm(struct panthor_= gem_object *bo) > mutex_unlock(&ptdev->gems.lock); > } > =20 > +static void panthor_gem_debugfs_set_usage_flags(struct panthor_gem_objec= t *bo, u32 usage_flags) > +{ > + bo->debugfs.flags =3D usage_flags | PANTHOR_DEBUGFS_GEM_USAGE_FLAG_INIT= IALIZED; > +} > #else > static void panthor_gem_debugfs_bo_add(struct panthor_device *ptdev, > struct panthor_gem_object *bo) > {} > static void panthor_gem_debugfs_bo_rm(struct panthor_gem_object *bo) {} > +static void panthor_gem_debugfs_set_usage_flags(struct panthor_gem_objec= t *bo, u32 usage_flags) {} > #endif > =20 > static void panthor_gem_free_object(struct drm_gem_object *obj) > diff --git a/drivers/gpu/drm/panthor/panthor_gem.h b/drivers/gpu/drm/pant= hor/panthor_gem.h > index 4641994ddd7f..4dd732dcd59f 100644 > --- a/drivers/gpu/drm/panthor/panthor_gem.h > +++ b/drivers/gpu/drm/panthor/panthor_gem.h > @@ -212,14 +212,6 @@ void panthor_kernel_bo_destroy(struct panthor_kernel= _bo *bo); > #ifdef CONFIG_DEBUG_FS > void panthor_gem_debugfs_print_bos(struct panthor_device *pfdev, > struct seq_file *m); > -static inline void > -panthor_gem_debugfs_set_usage_flags(struct panthor_gem_object *bo, u32 u= sage_flags) > -{ > - bo->debugfs.flags =3D usage_flags | PANTHOR_DEBUGFS_GEM_USAGE_FLAG_INIT= IALIZED; > -} > - > -#else > -void panthor_gem_debugfs_set_usage_flags(struct panthor_gem_object *bo, = u32 usage_flags) {}; > #endif > =20 > #endif /* __PANTHOR_GEM_H__ */ >=20 > base-commit: 3a2b7389feea9a7afd18d58cda59b7a989445f38