linux-kernel - Re: linux-next: build warnings after merge of the drm tree

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Message-ID: <87poem85it.fsf@eliezer.anholt.net>
Date:   Fri, 02 Jun 2017 14:05:14 -0700
From:   Eric Anholt <eric@...olt.net>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Dave Airlie <airlied@...ux.ie>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Tom Cooksey <tom.cooksey@....com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Linus Walleij <linus.walleij@...aro.org>,
        Arnd Bergmann <arnd@...db.de>
Subject: Re: linux-next: build warnings after merge of the drm tree

Stephen Rothwell <sfr@...b.auug.org.au> writes:

> Hi all,
>
> On Thu, 25 May 2017 11:49:42 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
>>
>> On Fri, 19 May 2017 10:49:06 -0700 Eric Anholt <eric@...olt.net> wrote:
>> >
>> > Stephen Rothwell <sfr@...b.auug.org.au> writes:
>> >   
>> > > After merging the drm tree, today's linux-next build (x86_64 allmodconfig)
>> > > produced these warnings:
>> > >
>> > > drivers/gpu/drm/pl111/pl111_drv.c:81:12: warning: 'pl111_modeset_init' defined but not used [-Wunused-function]
>> > >  static int pl111_modeset_init(struct drm_device *dev)
>> > >             ^
>> > > drivers/gpu/drm/pl111/pl111_drv.c:149:26: warning: 'pl111_drm_driver' defined but not used [-Wunused-variable]
>> > >  static struct drm_driver pl111_drm_driver = {
>> > >                           ^    
>> > 
>> > Sorry about that -- I thought that kbuild test robot would give me
>> > notification of new warnings.
>> > 
>> > Patch incoming.  
>> 
>> I saw the patch, but it doesn't seem to have been applied anywhere yet.
>
> So these warnings went away yesterday, but are back today after quite a
> few patches were dropped from the drm-misc tree.
>
> Yesterday it contained theses (relative to the drm tree):
>
> 9a8d5e4a53dc drm/vc4: Fix comment in vc4_drv.h
> 66d6dd45eee2 drm/pl111: fix warnings without CONFIG_ARM_AMBA
> 91110a4b64fe drm/atomic: Consitfy mode parameter to drm_atomic_set_mode_for_crtc()
> fb51cbfd4b2e drm/arcgpu: Drop drm_vblank_cleanup
> e3ec0e1e38a5 drm/atmel: Drop drm_vblank_cleanup
> 85769cf7cd7f drm/imx: Drop drm_vblank_cleanup
> a360b39b5137 drm/meson: Drop drm_vblank_cleanup
> 25b905fe4323 drm/stm: Drop drm_vblank_cleanup
> d79373bd4d7e drm/sun4i: Drop drm_vblank_cleanup
> 8938d13585bc drm: better document how to send out the crtc disable event
> 46466b0dac3f drm: Use vsnprintf extension %ph
> 99cdb35e787b drm/doc: move printf helpers out of drmP.h
> e7cc23de3e4e drm/pl111: select DRM_PANEL
> 7dbcbce9f551 drm/bridge: analogix-anx78xx: Use bridge->mode_valid() callback
> faf94a0883ce drm: Use mode_valid() in atomic modeset
> 97f973d65260 drm: Use new mode_valid() helpers in connector probe helper
> b1240f81a186 drm: Introduce drm_bridge_mode_valid()
> da251bf8f935 drm: Add drm_{crtc/encoder/connector}_mode_valid()
> 18e51064c42c drm: Remove drm_device->virtdev
> a301b1118615 drm: todo: remove task about switch to drm_connector_list_iter
> eb53a46be597 drm: remove unsafe drm_for_each_connector()
> 4894bf711d19 drm/vc4: use drm_for_each_connector_iter()
> 875dd62697fe drm/nouveau: use drm_for_each_connector_iter()
> c8bf8b968adb drm/mediatek: use drm_for_each_connector_iter()
> 2fd96b4116bf drm/i915: use drm_for_each_connector_iter()
> 2cbeb64f6c70 drm/rockchip: use drm_for_each_connector_iter()
> 48a92916729b drm/exynos: use drm_for_each_connector_iter()
>
> Today it only has:
>
> 2d7b56378d32 drm/rockchip: gem: add the lacks lock and trivial changes

Not sure what's going on.  I see your "yesterday" list present, and not
your "today" commit.

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