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

[Stephen Rothwell]

Hi Rob,

[Dave, this will presumably soon turn up in the drm tree]

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

drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c: In function 'dpu_plane_destroy':
drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c:1483:3: error: too few arguments to function 'drm_plane_helper_disable'
   drm_plane_helper_disable(plane);
   ^~~~~~~~~~~~~~~~~~~~~~~~
In file included from drivers/gpu/drm/msm/msm_drv.h:43:0,
                 from drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c:24:
include/drm/drm_plane_helper.h:72:5: note: declared here
 int drm_plane_helper_disable(struct drm_plane *plane,
     ^~~~~~~~~~~~~~~~~~~~~~~~

Caused by commit

  drm_plane_helper_disable ("drm/msm: Add SDM845 DPU support")

interacting with commit

  070473bcf703 ("drm: add missing ctx argument to plane transitional helpers")

from the drm tree.

I have added this merge fix patch.

From: Stephen Rothwell <sfr at canb.auug.org.au>
Date: Mon, 23 Jul 2018 12:47:04 +1000
Subject: [PATCH] drm: msm: merge fix for drm_plane_helper_disable() API change

Signed-off-by: Stephen Rothwell <sfr at canb.auug.org.au>
---
 drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
index d3d7ebf0c394..b640e39ebaca 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_plane.c
@@ -1480,7 +1480,7 @@ static void dpu_plane_destroy(struct drm_plane *plane)
 
 		mutex_destroy(&pdpu->lock);
 
-		drm_plane_helper_disable(plane);
+		drm_plane_helper_disable(plane, NULL);
 
 		/* this will destroy the states as well */
 		drm_plane_cleanup(plane);
-- 
2.18.0

-- 
Cheers,
Stephen Rothwell
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