Hi Sandy, I love your patch! Yet something to improve:
[auto build test ERROR on rockchip/for-next] [also build test ERROR on v4.18-rc2 next-20180626] [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/Sandy-Huang/Add-support-rockchip-RGB-output-interface/20180626-154044 base: https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git for-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/rockchip/rockchip_rgb.c: In function 'rockchip_rgb_encoder_enable': >> drivers/gpu//drm/rockchip/rockchip_rgb.c:98:36: error: dereferencing pointer >> to incomplete type 'struct dev_pin_info' if (rgb->pins && !IS_ERR(rgb->pins->default_state)) ^~ >> drivers/gpu//drm/rockchip/rockchip_rgb.c:99:3: error: implicit declaration >> of function 'pinctrl_select_state'; did you mean 'pci_store_saved_state'? >> [-Werror=implicit-function-declaration] pinctrl_select_state(rgb->pins->p, rgb->pins->default_state); ^~~~~~~~~~~~~~~~~~~~ pci_store_saved_state drivers/gpu//drm/rockchip/rockchip_rgb.c: In function 'rockchip_rgb_bind': >> drivers/gpu//drm/rockchip/rockchip_rgb.c:245:12: error: 'struct >> drm_connector' has no member named 'port' connector->port = dev->of_node; ^~ drivers/gpu//drm/rockchip/rockchip_rgb.c: In function 'rockchip_rgb_probe': >> drivers/gpu//drm/rockchip/rockchip_rgb.c:318:17: error: implicit declaration >> of function 'devm_pinctrl_get'; did you mean 'drm_connector_get'? >> [-Werror=implicit-function-declaration] rgb->pins->p = devm_pinctrl_get(rgb->dev); ^~~~~~~~~~~~~~~~ drm_connector_get >> drivers/gpu//drm/rockchip/rockchip_rgb.c:325:4: error: implicit declaration >> of function 'pinctrl_lookup_state'; did you mean 'inc_node_state'? >> [-Werror=implicit-function-declaration] pinctrl_lookup_state(rgb->pins->p, "lcdc"); ^~~~~~~~~~~~~~~~~~~~ inc_node_state cc1: some warnings being treated as errors vim +98 drivers/gpu//drm/rockchip/rockchip_rgb.c 91 92 static void rockchip_rgb_encoder_enable(struct drm_encoder *encoder) 93 { 94 struct rockchip_rgb *rgb = encoder_to_rgb(encoder); 95 96 drm_panel_prepare(rgb->panel); 97 /* iomux to LCD data/sync mode */ > 98 if (rgb->pins && !IS_ERR(rgb->pins->default_state)) > 99 pinctrl_select_state(rgb->pins->p, rgb->pins->default_state); 100 101 drm_panel_enable(rgb->panel); 102 } 103 104 static void rockchip_rgb_encoder_disable(struct drm_encoder *encoder) 105 { 106 struct rockchip_rgb *rgb = encoder_to_rgb(encoder); 107 108 drm_panel_disable(rgb->panel); 109 drm_panel_unprepare(rgb->panel); 110 } 111 112 static int 113 rockchip_rgb_encoder_atomic_check(struct drm_encoder *encoder, 114 struct drm_crtc_state *crtc_state, 115 struct drm_connector_state *conn_state) 116 { 117 struct rockchip_crtc_state *s = to_rockchip_crtc_state(crtc_state); 118 struct rockchip_rgb *rgb = encoder_to_rgb(encoder); 119 120 s->output_mode = rgb->output_mode; 121 s->output_type = DRM_MODE_CONNECTOR_LVDS; 122 123 return 0; 124 } 125 126 static const 127 struct drm_encoder_helper_funcs rockchip_rgb_encoder_helper_funcs = { 128 .enable = rockchip_rgb_encoder_enable, 129 .disable = rockchip_rgb_encoder_disable, 130 .atomic_check = rockchip_rgb_encoder_atomic_check, 131 }; 132 133 static const struct drm_encoder_funcs rockchip_rgb_encoder_funcs = { 134 .destroy = drm_encoder_cleanup, 135 }; 136 137 static const struct of_device_id rockchip_rgb_dt_ids[] = { 138 { 139 .compatible = "rockchip,px30-rgb", 140 }, 141 { 142 .compatible = "rockchip,rv1108-rgb", 143 }, 144 {} 145 }; 146 147 MODULE_DEVICE_TABLE(of, rockchip_rgb_dt_ids); 148 149 static int rockchip_rgb_bind(struct device *dev, struct device *master, 150 void *data) 151 { 152 struct rockchip_rgb *rgb = dev_get_drvdata(dev); 153 struct drm_device *drm_dev = data; 154 struct drm_encoder *encoder; 155 struct drm_connector *connector; 156 struct device_node *remote = NULL; 157 struct device_node *port, *endpoint; 158 u32 endpoint_id; 159 const char *name; 160 int ret = 0, child_count = 0; 161 162 rgb->drm_dev = drm_dev; 163 port = of_graph_get_port_by_id(dev->of_node, 1); 164 if (!port) { 165 DRM_DEV_ERROR(dev, 166 "can't found port point, please init rgb panel port!\n"); 167 return -EINVAL; 168 } 169 for_each_child_of_node(port, endpoint) { 170 child_count++; 171 if (of_property_read_u32(endpoint, "reg", &endpoint_id)) 172 endpoint_id = 0; 173 ret = drm_of_find_panel_or_bridge(dev->of_node, 1, endpoint_id, 174 &rgb->panel, &rgb->bridge); 175 if (!ret) 176 break; 177 } 178 if (!child_count) { 179 DRM_DEV_ERROR(dev, "rgb port does not have any children\n"); 180 ret = -EINVAL; 181 goto err_put_port; 182 } else if (ret) { 183 DRM_DEV_ERROR(dev, "failed to find panel and bridge node\n"); 184 ret = -EPROBE_DEFER; 185 goto err_put_port; 186 } 187 if (rgb->panel) 188 remote = rgb->panel->dev->of_node; 189 else 190 remote = rgb->bridge->of_node; 191 if (of_property_read_string(remote, "rgb-mode", &name)) 192 /* default set it as output mode P888 */ 193 rgb->output_mode = ROCKCHIP_OUT_MODE_P888; 194 else 195 rgb->output_mode = name_to_output_mode(name); 196 if (rgb->output_mode < 0) { 197 DRM_DEV_ERROR(dev, "invalid rockchip,rgb-mode [%s]\n", name); 198 ret = rgb->output_mode; 199 goto err_put_remote; 200 } 201 202 encoder = &rgb->encoder; 203 encoder->possible_crtcs = drm_of_find_possible_crtcs(drm_dev, 204 dev->of_node); 205 206 ret = drm_encoder_init(drm_dev, encoder, &rockchip_rgb_encoder_funcs, 207 DRM_MODE_ENCODER_NONE, NULL); 208 if (ret < 0) { 209 DRM_DEV_ERROR(drm_dev->dev, 210 "failed to initialize encoder: %d\n", ret); 211 goto err_put_remote; 212 } 213 214 drm_encoder_helper_add(encoder, &rockchip_rgb_encoder_helper_funcs); 215 216 if (rgb->panel) { 217 connector = &rgb->connector; 218 connector->dpms = DRM_MODE_DPMS_OFF; 219 ret = drm_connector_init(drm_dev, connector, 220 &rockchip_rgb_connector_funcs, 221 DRM_MODE_CONNECTOR_Unknown); 222 if (ret < 0) { 223 DRM_DEV_ERROR(drm_dev->dev, 224 "failed to initialize connector: %d\n", 225 ret); 226 goto err_free_encoder; 227 } 228 229 drm_connector_helper_add(connector, 230 &rockchip_rgb_connector_helper_funcs); 231 232 ret = drm_mode_connector_attach_encoder(connector, encoder); 233 if (ret < 0) { 234 DRM_DEV_ERROR(drm_dev->dev, 235 "failed to attach encoder: %d\n", ret); 236 goto err_free_connector; 237 } 238 239 ret = drm_panel_attach(rgb->panel, connector); 240 if (ret < 0) { 241 DRM_DEV_ERROR(drm_dev->dev, 242 "failed to attach panel: %d\n", ret); 243 goto err_free_connector; 244 } > 245 connector->port = dev->of_node; 246 } else { 247 rgb->bridge->encoder = encoder; 248 ret = drm_bridge_attach(encoder, rgb->bridge, NULL); 249 if (ret) { 250 DRM_DEV_ERROR(drm_dev->dev, 251 "failed to attach bridge: %d\n", ret); 252 goto err_free_encoder; 253 } 254 encoder->bridge = rgb->bridge; 255 } 256 257 of_node_put(remote); 258 of_node_put(port); 259 260 return 0; 261 262 err_free_connector: 263 drm_connector_cleanup(connector); 264 err_free_encoder: 265 drm_encoder_cleanup(encoder); 266 err_put_remote: 267 of_node_put(remote); 268 err_put_port: 269 of_node_put(port); 270 271 return ret; 272 } 273 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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