linux-kernel - linux-next: build failure after merge of the drm-misc tree

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Date:   Thu, 10 Nov 2022 11:10:36 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Daniel Vetter <daniel.vetter@...ll.ch>,
        Dave Airlie <airlied@...hat.com>
Cc:     Ben Skeggs <bskeggs@...hat.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Intel Graphics <intel-gfx@...ts.freedesktop.org>,
        DRI <dri-devel@...ts.freedesktop.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>
Subject: linux-next: build failure after merge of the drm-misc tree

Hi all,

After merging the drm-misc tree, today's linux-next build (arm
multi_v7_defconfig) failed like this:

drivers/gpu/drm/nouveau/nouveau_drm.c: In function 'nouveau_drm_probe':
drivers/gpu/drm/nouveau/nouveau_drm.c:797:17: error: implicit declaration of function 'drm_fbdev_generic_setup' [-Werror=implicit-function-declaration]
  797 |                 drm_fbdev_generic_setup(drm_dev, 8);
      |                 ^~~~~~~~~~~~~~~~~~~~~~~

Caused by commit

  8ab59da26bc0 ("drm/fb-helper: Move generic fbdev emulation into separate source file")

interacting with commit

  4a16dd9d18a0 ("drm/nouveau/kms: switch to drm fbdev helpers")

from the drm tree.

I have applied the following merge fix patch for today.

From: Stephen Rothwell <sfr@...b.auug.org.au>
Date: Thu, 10 Nov 2022 11:05:52 +1100
Subject: [PATCH] drm-misc: fix up for "drm/fb-helper: Move generic fbdev
 emulation into separate source file"

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 drivers/gpu/drm/nouveau/nouveau_drm.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index a19f18b251f3..80f154b6adab 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -34,6 +34,7 @@
 #include <drm/drm_crtc_helper.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_fb_helper.h>
+#include <drm/drm_fbdev_generic.h>
 #include <drm/drm_gem_ttm_helper.h>
 #include <drm/drm_ioctl.h>
 #include <drm/drm_vblank.h>
-- 
2.35.1

-- 
Cheers,
Stephen Rothwell

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