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Date:   Tue, 9 Apr 2019 09:22:18 +0200
From:   Gerd Hoffmann <kraxel@redhat.com>
To:     Stephen Rothwell <sfr@canb.auug.org.au>
Cc:     Daniel Vetter <daniel.vetter@ffwll.ch>,
        Intel Graphics <intel-gfx@lists.freedesktop.org>,
        DRI <dri-devel@lists.freedesktop.org>,
        Linux Next Mailing List <linux-next@vger.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Noralf =?utf-8?Q?Tr=C3=B8nnes?= <noralf@tronnes.org>,
        Sam Ravnborg <sam@ravnborg.org>
Subject: Re: linux-next: build failure after merge of the drm-misc tree
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On Tue, Apr 09, 2019 at 04:08:49PM +1000, Stephen Rothwell wrote:
> Hi all,
> 
> After merging the drm-misc tree, today's linux-next build (powerpc
> allyesconfig) failed like this:
> 
> drivers/gpu/drm/cirrus/cirrus.c: In function 'cirrus_fb_blit_rect':
> drivers/gpu/drm/cirrus/cirrus.c:310:25: error: implicit declaration of function '__io_virt'; did you mean '__do_irq'? [-Werror=implicit-function-declaration]
>    drm_fb_memcpy_dstclip(__io_virt(cirrus->vram),
>                          ^~~~~~~~~
>                          __do_irq

Probably just a missing arm/io.h include.
Test build is running ...

cheers,
  Gerd