[superna9999:topic/sm8650/ayaneo-pocket-s2/pmos-v4 17/31] drivers/gpu/drm/panel/panel-renesas-r63419.c:320:8: error: call to undeclared function 'devm_drm_panel_add'; ISO C99 and later do not support implicit function declarations

[kernel test robot <lkp@intel.com>]

tree:   https://github.com/superna9999/linux topic/sm8650/ayaneo-pocket-s2/pmos-v4
head:   2990bb85e68d401720ce49038f3e512d7eb1a389
commit: 243e24384aa0b82af24b385485d2ce228b8a4660 [17/31] drm: panel: add support for the Renesas R63419 based dual-DSI video mode Display Panels
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20260613/202606131439.tx8xFVfI-lkp@intel.com/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project 305faf498a4e0b52b40742c927af63ab2082e1a9)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260613/202606131439.tx8xFVfI-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202606131439.tx8xFVfI-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/panel/panel-renesas-r63419.c:320:8: error: call to undeclared function 'devm_drm_panel_add'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     320 |         ret = devm_drm_panel_add(dev, &ctx->panel);
         |               ^
   drivers/gpu/drm/panel/panel-renesas-r63419.c:320:8: note: did you mean 'drm_panel_add'?
   include/drm/drm_panel.h:330:6: note: 'drm_panel_add' declared here
     330 | void drm_panel_add(struct drm_panel *panel);
         |      ^
   1 error generated.


vim +/devm_drm_panel_add +320 drivers/gpu/drm/panel/panel-renesas-r63419.c

   246	
   247	static int renesas_r63419_probe(struct mipi_dsi_device *dsi)
   248	{
   249		struct mipi_dsi_device_info info = { };
   250		struct device *dev = &dsi->dev;
   251		struct renesas_r63419_panel *ctx;
   252		struct device_node *dsi1_node;
   253		struct mipi_dsi_host *dsi1_host;
   254		int ret, i;
   255	
   256		ctx = devm_drm_panel_alloc(dev, struct renesas_r63419_panel, panel,
   257					   &renesas_r63419_panel_funcs, DRM_MODE_CONNECTOR_DSI);
   258		if (IS_ERR(ctx))
   259			return PTR_ERR(ctx);
   260	
   261		ctx->desc = of_device_get_match_data(dev);
   262		if (!ctx->desc)
   263			return dev_err_probe(dev, -ENODEV,
   264					     "Failed to get panel description\n");
   265	
   266		ret = devm_regulator_bulk_get_const(&dsi->dev,
   267						    ARRAY_SIZE(renesas_r63419_vdd_supplies),
   268						    renesas_r63419_vdd_supplies, &ctx->vdd_supplies);
   269		if (ret < 0)
   270			return ret;
   271	
   272		ret = devm_regulator_bulk_get_const(&dsi->dev,
   273						    ARRAY_SIZE(renesas_r63419_vcc_supplies),
   274						    renesas_r63419_vcc_supplies, &ctx->vcc_supplies);
   275		if (ret < 0)
   276			return ret;
   277	
   278		ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
   279		if (IS_ERR(ctx->reset_gpio))
   280			return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio),
   281					     "Failed to get reset gpio\n");
   282	
   283		/* Get second DSI host */
   284		dsi1_node = of_graph_get_remote_node(dsi->dev.of_node, 1, -1);
   285		if (!dsi1_node)
   286			return dev_err_probe(dev, -ENODEV,
   287					     "Failed to get remote node for second DSI\n");
   288	
   289		dsi1_host = of_find_mipi_dsi_host_by_node(dsi1_node);
   290		of_node_put(dsi1_node);
   291		if (!dsi1_host)
   292			return dev_err_probe(dev, -EPROBE_DEFER,
   293					     "Failed to find second DSI host\n");
   294	
   295		/* Copy current DSI info, do not provide OF node since no driver needs to be attached */
   296		strscpy(info.type, dsi->name, sizeof(info.type));
   297		info.channel = dsi->channel;
   298	
   299		/* Register the second DSI device */
   300		ctx->dsi[1] = devm_mipi_dsi_device_register_full(dev, dsi1_host, &info);
   301		if (IS_ERR(ctx->dsi[1]))
   302			return dev_err_probe(dev, PTR_ERR(ctx->dsi[1]),
   303					     "Failed to register second DSI device\n");
   304	
   305		ctx->dsi[0] = dsi;
   306		mipi_dsi_set_drvdata(dsi, ctx);
   307	
   308		/* Get panel orientation */
   309		ret = of_drm_get_panel_orientation(dev->of_node, &ctx->orientation);
   310		if (ret < 0 && ret != -ENODEV)
   311			return dev_err_probe(dev, ret,
   312					     "Failed to get panel orientation\n");
   313	
   314		ctx->panel.prepare_prev_first = true;
   315	
   316		ret = drm_panel_of_backlight(&ctx->panel);
   317		if (ret)
   318			return dev_err_probe(dev, ret, "Failed to get backlight\n");
   319	
 > 320		ret = devm_drm_panel_add(dev, &ctx->panel);
   321		if (ret)
   322			return dev_err_probe(dev, ret, "Failed to add panel\n");
   323	
   324		/* Configure and attach both DSI devices */
   325		for (i = 0; i < ARRAY_SIZE(ctx->dsi); i++) {
   326			ctx->dsi[i]->lanes = ctx->desc->lanes;
   327			ctx->dsi[i]->format = ctx->desc->format;
   328			ctx->dsi[i]->mode_flags = ctx->desc->mode_flags;
   329	
   330			ret = devm_mipi_dsi_attach(dev, ctx->dsi[i]);
   331			if (ret < 0)
   332				return dev_err_probe(dev, ret,
   333						     "Failed to attach DSI device %d\n", i);
   334		}
   335	
   336		return 0;
   337	}
   338	

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