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

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Date:	Thu, 3 Sep 2015 10:49:19 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Daniel Vetter <daniel.vetter@...ll.ch>,
	<intel-gfx@...ts.freedesktop.org>,
	<dri-devel@...ts.freedesktop.org>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Daniel Stone <daniels@...labora.com>
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/msm/mdp/mdp5/mdp5_plane.c: In function 'mdp5_plane_cleanup_fb':
drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c:272:26: error: 'fb' redeclared as different kind of symbol
  struct drm_framebuffer *fb = old_state->fb;
                          ^
drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c:267:27: note: previous definition of 'fb' was here
   struct drm_framebuffer *fb,
                           ^
drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c: At top level:
drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c:383:3: warning: initialization from incompatible pointer type
   .cleanup_fb = mdp5_plane_cleanup_fb,
   ^
drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c:383:3: warning: (near initialization for 'mdp5_plane_helper_funcs.cleanup_fb')

Caused by commit

  a317290af0db ("drm/atomic: Make prepare_fb/cleanup_fb only take state, v3")

Well, that was clearly never build tested :-(

I have used the drm-misc tree from next-20150902 for today.

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
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