[PATCH 5/6] drm/qxl: Use simple encoder

[kbuild test robot]

Hi Thomas,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v5.6-rc1 next-20200210]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Thomas-Zimmermann/drm-Provide-a-simple-encoder/20200210-153139
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git bb6d3fb354c5ee8d6bde2d576eb7220ea09862b9
config: x86_64-randconfig-f002-20200210 (attached as .config)
compiler: gcc-7 (Debian 7.5.0-3) 7.5.0
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp at intel.com>

All errors (new ones prefixed by >>):

   drivers/gpu/drm/qxl/qxl_display.c: In function 'qdev_output_init':
>> drivers/gpu/drm/qxl/qxl_display.c:1103:31: error: incompatible type for argument 2 of 'drm_simple_encoder_init'
     drm_simple_encoder_init(dev, qxl_output->enc, DRM_MODE_ENCODER_VIRTUAL,
                                  ^~~~~~~~~~
   In file included from include/drm/drm_modeset_helper_vtables.h:33:0,
                    from include/drm/drm_atomic_helper.h:32,
                    from drivers/gpu/drm/qxl/qxl_display.c:30:
   include/drm/drm_encoder.h:194:5: note: expected 'struct drm_encoder *' but argument is of type 'struct drm_encoder'
    int drm_simple_encoder_init(struct drm_device *dev,
        ^~~~~~~~~~~~~~~~~~~~~~~

vim +/drm_simple_encoder_init +1103 drivers/gpu/drm/qxl/qxl_display.c

  1084	
  1085	static int qdev_output_init(struct drm_device *dev, int num_output)
  1086	{
  1087		struct qxl_device *qdev = dev->dev_private;
  1088		struct qxl_output *qxl_output;
  1089		struct drm_connector *connector;
  1090		struct drm_encoder *encoder;
  1091	
  1092		qxl_output = kzalloc(sizeof(struct qxl_output), GFP_KERNEL);
  1093		if (!qxl_output)
  1094			return -ENOMEM;
  1095	
  1096		qxl_output->index = num_output;
  1097	
  1098		connector = &qxl_output->base;
  1099		encoder = &qxl_output->enc;
  1100		drm_connector_init(dev, &qxl_output->base,
  1101				   &qxl_connector_funcs, DRM_MODE_CONNECTOR_VIRTUAL);
  1102	
> 1103		drm_simple_encoder_init(dev, qxl_output->enc, DRM_MODE_ENCODER_VIRTUAL,
  1104					NULL);
  1105	
  1106		/* we get HPD via client monitors config */
  1107		connector->polled = DRM_CONNECTOR_POLL_HPD;
  1108		encoder->possible_crtcs = 1 << num_output;
  1109		drm_connector_attach_encoder(&qxl_output->base,
  1110						  &qxl_output->enc);
  1111		drm_connector_helper_add(connector, &qxl_connector_helper_funcs);
  1112	
  1113		drm_object_attach_property(&connector->base,
  1114					   qdev->hotplug_mode_update_property, 0);
  1115		drm_object_attach_property(&connector->base,
  1116					   dev->mode_config.suggested_x_property, 0);
  1117		drm_object_attach_property(&connector->base,
  1118					   dev->mode_config.suggested_y_property, 0);
  1119		return 0;
  1120	}
  1121	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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