[PATCH v3 3/9] drm/connector: Make ->atomic_commit() optional

kbuild test robot lkp at intel.com
Mon Jul 2 15:30:05 UTC 2018


Hi Boris,

I love your patch! Yet something to improve:

[auto build test ERROR on next-20180702]
[cannot apply to drm/drm-next anholt/for-next robh/for-next v4.18-rc3 v4.18-rc2 v4.18-rc1 v4.18-rc3]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Boris-Brezillon/drm-vc4-Add-support-for-the-transposer-IP/20180702-211805
config: x86_64-randconfig-x015-201826 (attached as .config)
compiler: gcc-7 (Debian 7.3.0-16) 7.3.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/gpu//drm/drm_atomic_helper.c: In function 'drm_atomic_helper_commit_writebacks':
>> drivers/gpu//drm/drm_atomic_helper.c:1187:13: error: 'const struct drm_connector_helper_funcs' has no member named 'funcs'
      if (!funcs->funcs->atomic_commit)
                ^~

vim +1187 drivers/gpu//drm/drm_atomic_helper.c

  1175	
  1176	static void drm_atomic_helper_commit_writebacks(struct drm_device *dev,
  1177							struct drm_atomic_state *old_state)
  1178	{
  1179		struct drm_connector *connector;
  1180		struct drm_connector_state *new_conn_state;
  1181		int i;
  1182	
  1183		for_each_new_connector_in_state(old_state, connector, new_conn_state, i) {
  1184			const struct drm_connector_helper_funcs *funcs;
  1185	
  1186			funcs = connector->helper_private;
> 1187			if (!funcs->funcs->atomic_commit)
  1188				continue;
  1189	
  1190			if (new_conn_state->writeback_job && new_conn_state->writeback_job->fb) {
  1191				WARN_ON(connector->connector_type != DRM_MODE_CONNECTOR_WRITEBACK);
  1192				funcs->atomic_commit(connector, new_conn_state);
  1193			}
  1194		}
  1195	}
  1196	

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation
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