Re: [PATCH v2] drm/msm/dpu: add display port support in DPU

[kbuild test robot <lkp-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>]

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Hi Jeykumar,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on robclark/msm-next]
[also build test ERROR on v4.20-rc4 next-20181130]
[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/Jeykumar-Sankaran/drm-msm-dpu-add-display-port-support-in-DPU/20181130-230021
base:   git://people.freedesktop.org/~robclark/linux msm-next
config: arm-allmodconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0
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
        GCC_VERSION=7.2.0 make.cross ARCH=arm 

All errors (new ones prefixed by >>):

   drivers/gpu//drm/msm/disp/dpu1/dpu_kms.c: In function '_dpu_kms_initialize_displayport':
>> drivers/gpu//drm/msm/disp/dpu1/dpu_kms.c:483:13: error: 'struct msm_drm_private' has no member named 'dp'; did you mean 'edp'?
     if (!priv->dp)
                ^~
                edp
>> drivers/gpu//drm/msm/disp/dpu1/dpu_kms.c:492:7: error: implicit declaration of function 'msm_dp_modeset_init'; did you mean 'msm_edp_modeset_init'? [-Werror=implicit-function-declaration]
     rc = msm_dp_modeset_init(priv->dp, dev, encoder);
          ^~~~~~~~~~~~~~~~~~~
          msm_edp_modeset_init
   drivers/gpu//drm/msm/disp/dpu1/dpu_kms.c:492:33: error: 'struct msm_drm_private' has no member named 'dp'; did you mean 'edp'?
     rc = msm_dp_modeset_init(priv->dp, dev, encoder);
                                    ^~
                                    edp
   cc1: some warnings being treated as errors

vim +483 drivers/gpu//drm/msm/disp/dpu1/dpu_kms.c

   475	
   476	static void _dpu_kms_initialize_displayport(struct drm_device *dev,
   477						    struct msm_drm_private *priv,
   478						    struct dpu_kms *dpu_kms)
   479	{
   480		struct drm_encoder *encoder = NULL;
   481		int rc;
   482	
 > 483		if (!priv->dp)
   484			return;
   485	
   486		encoder = dpu_encoder_init(dev, DRM_MODE_ENCODER_TMDS);
   487		if (IS_ERR(encoder)) {
   488			DPU_ERROR("encoder init failed for dsi display\n");
   489			return;
   490		}
   491	
 > 492		rc = msm_dp_modeset_init(priv->dp, dev, encoder);
   493		if (rc) {
   494			DPU_ERROR("modeset_init failed for DP, rc = %d\n", rc);
   495			drm_encoder_cleanup(encoder);
   496			return;
   497		}
   498	
   499		priv->encoders[priv->num_encoders++] = encoder;
   500	}
   501	

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

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