[PATCH v4 1/3] drm/bridge: add support for sn65dsi86 bridge driver

[kbuild test robot]

Hi Sandeep,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on drm/drm-next]
[also build test ERROR on v4.17-rc3 next-20180426]
[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/Sandeep-Panda/Add-suppport-for-sn65dsi86-bridge-chip-and-Innolux-2k-edp-panel/20180430-035839
base:   git://people.freedesktop.org/~airlied/linux.git drm-next
config: openrisc-allyesconfig (attached as .config)
compiler: or1k-linux-gcc (GCC) 6.0.0 20160327 (experimental)
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=openrisc 

All errors (new ones prefixed by >>):

   drivers/gpu/drm/bridge/ti-sn65dsi86.c: In function 'ti_sn_bridge_connector_get_modes':
>> drivers/gpu/drm/bridge/ti-sn65dsi86.c:173:2: error: implicit declaration of function 'drm_edid_to_eld' [-Werror=implicit-function-declaration]
     drm_edid_to_eld(connector, edid);
     ^~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/drm_edid_to_eld +173 drivers/gpu/drm/bridge/ti-sn65dsi86.c

   148	
   149	static int ti_sn_bridge_connector_get_modes(struct drm_connector *connector)
   150	{
   151		struct ti_sn_bridge *pdata = connector_to_ti_sn_bridge(connector);
   152		struct drm_panel *panel = pdata->panel;
   153		struct edid *edid;
   154	
   155		if (panel) {
   156			DRM_DEBUG("get mode from connected drm_panel\n");
   157			pdata->num_modes = drm_panel_get_modes(panel);
   158			return pdata->num_modes;
   159		}
   160	
   161		/* get from EDID */
   162		if (!pdata->ddc)
   163			return 0;
   164	
   165		ti_sn_bridge_power_ctrl(pdata, true);
   166		edid = drm_get_edid(connector, pdata->ddc);
   167		ti_sn_bridge_power_ctrl(pdata, false);
   168		if (!edid)
   169			return 0;
   170	
   171		drm_mode_connector_update_edid_property(connector, edid);
   172		pdata->num_modes = drm_add_edid_modes(connector, edid);
 > 173		drm_edid_to_eld(connector, edid);
   174		kfree(edid);
   175	
   176		return pdata->num_modes;
   177	}
   178	

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