Re: [PATCH 14/22] drm/sun4i: Use simple encoder

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

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Hi Thomas,

I love your patch! Yet something to improve:

[auto build test ERROR on next-20200305]
[cannot apply to rockchip/for-next shawnguo/for-next sunxi/sunxi/for-next tegra/for-next linus/master v5.6-rc4 v5.6-rc3 v5.6-rc2 v5.6-rc4]
[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-Convert-drivers-to-drm_simple_encoder_init/20200306-045931
base:    47466dcf84ee66a973ea7d2fca7e582fe9328932
config: arm64-defconfig (attached as .config)
compiler: clang version 11.0.0 (git://gitmirror/llvm_project a0cd413426479abb207381bdbab862f3dfb3ce7d)
reproduce:
        # FIXME the reproduce steps for clang is not ready yet

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/sun4i/sun4i_lvds.c:121:8: error: implicit declaration of function 'drm_simple_encoder_init' [-Werror,-Wimplicit-function-declaration]
           ret = drm_simple_encoder_init(drm, &lvds->encoder,
                 ^
   drivers/gpu/drm/sun4i/sun4i_lvds.c:121:8: note: did you mean 'drm_encoder_init'?
   include/drm/drm_encoder.h:189:5: note: 'drm_encoder_init' declared here
   int drm_encoder_init(struct drm_device *dev,
       ^
   1 error generated.
--
>> drivers/gpu/drm/sun4i/sun4i_rgb.c:213:8: error: implicit declaration of function 'drm_simple_encoder_init' [-Werror,-Wimplicit-function-declaration]
           ret = drm_simple_encoder_init(drm, &rgb->encoder,
                 ^
   drivers/gpu/drm/sun4i/sun4i_rgb.c:213:8: note: did you mean 'drm_encoder_init'?
   include/drm/drm_encoder.h:189:5: note: 'drm_encoder_init' declared here
   int drm_encoder_init(struct drm_device *dev,
       ^
   1 error generated.
--
>> drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c:611:8: error: implicit declaration of function 'drm_simple_encoder_init' [-Werror,-Wimplicit-function-declaration]
           ret = drm_simple_encoder_init(drm, &hdmi->encoder,
                 ^
   drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c:611:8: note: did you mean 'drm_encoder_init'?
   include/drm/drm_encoder.h:189:5: note: 'drm_encoder_init' declared here
   int drm_encoder_init(struct drm_device *dev,
       ^
   1 error generated.
--
>> drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c:220:2: error: implicit declaration of function 'drm_simple_encoder_init' [-Werror,-Wimplicit-function-declaration]
           drm_simple_encoder_init(drm, encoder, DRM_MODE_ENCODER_TMDS);
           ^
   drivers/gpu/drm/sun4i/sun8i_dw_hdmi.c:220:2: note: did you mean 'drm_encoder_init'?
   include/drm/drm_encoder.h:189:5: note: 'drm_encoder_init' declared here
   int drm_encoder_init(struct drm_device *dev,
       ^
   1 error generated.
--
>> drivers/gpu/drm/sun4i/sun4i_tv.c:587:8: error: implicit declaration of function 'drm_simple_encoder_init' [-Werror,-Wimplicit-function-declaration]
           ret = drm_simple_encoder_init(drm, &tv->encoder,
                 ^
   drivers/gpu/drm/sun4i/sun4i_tv.c:587:8: note: did you mean 'drm_encoder_init'?
   include/drm/drm_encoder.h:189:5: note: 'drm_encoder_init' declared here
   int drm_encoder_init(struct drm_device *dev,
       ^
   1 error generated.
--
>> drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c:1062:8: error: implicit declaration of function 'drm_simple_encoder_init' [-Werror,-Wimplicit-function-declaration]
           ret = drm_simple_encoder_init(drm, &dsi->encoder,
                 ^
   drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c:1062:8: note: did you mean 'drm_encoder_init'?
   include/drm/drm_encoder.h:189:5: note: 'drm_encoder_init' declared here
   int drm_encoder_init(struct drm_device *dev,
       ^
   1 error generated.

vim +/drm_simple_encoder_init +121 drivers/gpu/drm/sun4i/sun4i_lvds.c

    99	
   100	int sun4i_lvds_init(struct drm_device *drm, struct sun4i_tcon *tcon)
   101	{
   102		struct drm_encoder *encoder;
   103		struct drm_bridge *bridge;
   104		struct sun4i_lvds *lvds;
   105		int ret;
   106	
   107		lvds = devm_kzalloc(drm->dev, sizeof(*lvds), GFP_KERNEL);
   108		if (!lvds)
   109			return -ENOMEM;
   110		encoder = &lvds->encoder;
   111	
   112		ret = drm_of_find_panel_or_bridge(tcon->dev->of_node, 1, 0,
   113						  &lvds->panel, &bridge);
   114		if (ret) {
   115			dev_info(drm->dev, "No panel or bridge found... LVDS output disabled\n");
   116			return 0;
   117		}
   118	
   119		drm_encoder_helper_add(&lvds->encoder,
   120				       &sun4i_lvds_enc_helper_funcs);
 > 121		ret = drm_simple_encoder_init(drm, &lvds->encoder,

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org

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