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

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Date:	Tue, 8 Sep 2015 10:16:17 +0200
From:	Daniel Vetter <daniel@...ll.ch>
To:	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>
Cc:	Stephen Rothwell <sfr@...b.auug.org.au>,
	Daniel Vetter <daniel.vetter@...ll.ch>,
	intel-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org,
	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Daniel Stone <daniels@...labora.com>
Subject: Re: linux-next: build failure after merge of the drm-misc tree

On Tue, Sep 08, 2015 at 06:48:34AM +0200, Maarten Lankhorst wrote:
> Op 08-09-15 om 01:42 schreef Stephen Rothwell:
> > Hi all,
> >
> > On Thu, 3 Sep 2015 10:49:19 +1000 Stephen Rothwell <sfr@...b.auug.org.au> wrote:
> >> 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.
> > This is still in today's linux-next :-(
> >
> I just got around to making an amend fix patch for it yesterday. Can you fold it into v3 daniel?

Squashed in, thanks.
-Daniel

> 
> diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
> index 4d390b699e9a..a0f5ff0ce8dc 100644
> --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
> +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_plane.c
> @@ -264,7 +264,6 @@ static int mdp5_plane_prepare_fb(struct drm_plane *plane,
>  }
>  
>  static void mdp5_plane_cleanup_fb(struct drm_plane *plane,
> -		struct drm_framebuffer *fb,
>  		const struct drm_plane_state *old_state)
>  {
>  	struct mdp5_plane *mdp5_plane = to_mdp5_plane(plane);
> 

-- 
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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