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

[Stephen Rothwell]

Hi all,

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

drivers/gpu/drm/msm/msm_gem.c:1014:10: error: initialization of 'int (*)(struct drm_gem_object *, struct dma_buf_map *)' from incompatible pointer type 'void * (*)(struct drm_gem_object *)' [-Werror=incompatible-pointer-types]
 1014 |  .vmap = msm_gem_prime_vmap,
      |          ^~~~~~~~~~~~~~~~~~
drivers/gpu/drm/msm/msm_gem.c:1014:10: note: (near initialization for 'msm_gem_object_funcs.vmap')
drivers/gpu/drm/msm/msm_gem.c:1015:12: error: initialization of 'void (*)(struct drm_gem_object *, struct dma_buf_map *)' from incompatible pointer type 'void (*)(struct drm_gem_object *, void *)' [-Werror=incompatible-pointer-types]
 1015 |  .vunmap = msm_gem_prime_vunmap,
      |            ^~~~~~~~~~~~~~~~~~~~

Caused by commit

  49a3f51dfeee ("drm/gem: Use struct dma_buf_map in GEM vmap ops and convert GEM backends")

interacting with commit

  3c9edd9c85f5 ("drm/msm: Introduce GEM object funcs")

from the drm tree.

I tried reverting commit 3c9edd9c85f5 (as 49a3f51dfeee does not revert
cleanly) but that just produced more errors, so I have disabled
CONFIG_DRM_MSM for now.
-- 
Cheers,
Stephen Rothwell
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