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: i386-randconfig-h002-20200307 (attached as .config) compiler: gcc-7 (Debian 7.5.0-5) 7.5.0 reproduce: # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/gpu/drm/virtio/virtgpu_display.c: In function 'vgdev_output_init': >> drivers/gpu/drm/virtio/virtgpu_display.c:276:2: error: implicit declaration of function 'drm_simple_encoder_init'; did you mean 'drm_encoder_init'? [-Werror=implicit-function-declaration] drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_VIRTUAL); ^~~~~~~~~~~~~~~~~~~~~~~ drm_encoder_init Cyclomatic Complexity 1 arch/x86/include/asm/bitops.h:fls Cyclomatic Complexity 1 include/linux/log2.h:__ilog2_u32 Cyclomatic Complexity 1 include/linux/err.h:ERR_PTR Cyclomatic Complexity 1 include/linux/err.h:PTR_ERR Cyclomatic Complexity 3 include/linux/slab.h:kmalloc_type Cyclomatic Complexity 28 include/linux/slab.h:kmalloc_index Cyclomatic Complexity 1 include/linux/slab.h:kmalloc_large Cyclomatic Complexity 4 include/linux/slab.h:kmalloc Cyclomatic Complexity 1 include/linux/slab.h:kzalloc Cyclomatic Complexity 1 include/drm/drm_modeset_helper_vtables.h:drm_crtc_helper_add Cyclomatic Complexity 1 include/drm/drm_modeset_helper_vtables.h:drm_encoder_helper_add Cyclomatic Complexity 1 include/drm/drm_modeset_helper_vtables.h:drm_connector_helper_add Cyclomatic Complexity 1 drivers/gpu/drm/virtio/virtgpu_display.c:virtio_gpu_crtc_atomic_enable Cyclomatic Complexity 1 drivers/gpu/drm/virtio/virtgpu_display.c:virtio_gpu_crtc_atomic_check Cyclomatic Complexity 1 drivers/gpu/drm/virtio/virtgpu_display.c:virtio_gpu_crtc_atomic_flush Cyclomatic Complexity 1 drivers/gpu/drm/virtio/virtgpu_display.c:virtio_gpu_enc_mode_set Cyclomatic Complexity 1 drivers/gpu/drm/virtio/virtgpu_display.c:virtio_gpu_enc_enable Cyclomatic Complexity 1 drivers/gpu/drm/virtio/virtgpu_display.c:virtio_gpu_enc_disable Cyclomatic Complexity 2 drivers/gpu/drm/virtio/virtgpu_display.c:virtio_gpu_conn_detect Cyclomatic Complexity 1 drivers/gpu/drm/virtio/virtgpu_display.c:vgdev_atomic_commit_tail Cyclomatic Complexity 67 include/asm-generic/getorder.h:get_order Cyclomatic Complexity 1 include/linux/err.h:IS_ERR Cyclomatic Complexity 2 drivers/gpu/drm/virtio/virtgpu_display.c:virtio_gpu_framebuffer_init Cyclomatic Complexity 5 drivers/gpu/drm/virtio/virtgpu_display.c:virtio_gpu_user_framebuffer_create Cyclomatic Complexity 5 drivers/gpu/drm/virtio/virtgpu_display.c:vgdev_output_init Cyclomatic Complexity 8 drivers/gpu/drm/virtio/virtgpu_display.c:virtio_gpu_conn_mode_valid Cyclomatic Complexity 4 drivers/gpu/drm/virtio/virtgpu_display.c:virtio_gpu_conn_get_modes Cyclomatic Complexity 1 drivers/gpu/drm/virtio/virtgpu_display.c:virtio_gpu_conn_destroy Cyclomatic Complexity 1 drivers/gpu/drm/virtio/virtgpu_display.c:virtio_gpu_crtc_atomic_disable Cyclomatic Complexity 1 drivers/gpu/drm/virtio/virtgpu_display.c:virtio_gpu_crtc_mode_set_nofb Cyclomatic Complexity 2 drivers/gpu/drm/virtio/virtgpu_display.c:virtio_gpu_modeset_init Cyclomatic Complexity 2 drivers/gpu/drm/virtio/virtgpu_display.c:virtio_gpu_modeset_fini Cyclomatic Complexity 1 drivers/gpu/drm/virtio/virtgpu_display.c:_GLOBAL__sub_I_00100_0_virtio_gpu_modeset_init Cyclomatic Complexity 1 drivers/gpu/drm/virtio/virtgpu_display.c:_GLOBAL__sub_D_00100_1_virtio_gpu_modeset_init cc1: some warnings being treated as errors vim +276 drivers/gpu/drm/virtio/virtgpu_display.c 243 244 static int vgdev_output_init(struct virtio_gpu_device *vgdev, int index) 245 { 246 struct drm_device *dev = vgdev->ddev; 247 struct virtio_gpu_output *output = vgdev->outputs + index; 248 struct drm_connector *connector = &output->conn; 249 struct drm_encoder *encoder = &output->enc; 250 struct drm_crtc *crtc = &output->crtc; 251 struct drm_plane *primary, *cursor; 252 253 output->index = index; 254 if (index == 0) { 255 output->info.enabled = cpu_to_le32(true); 256 output->info.r.width = cpu_to_le32(XRES_DEF); 257 output->info.r.height = cpu_to_le32(YRES_DEF); 258 } 259 260 primary = virtio_gpu_plane_init(vgdev, DRM_PLANE_TYPE_PRIMARY, index); 261 if (IS_ERR(primary)) 262 return PTR_ERR(primary); 263 cursor = virtio_gpu_plane_init(vgdev, DRM_PLANE_TYPE_CURSOR, index); 264 if (IS_ERR(cursor)) 265 return PTR_ERR(cursor); 266 drm_crtc_init_with_planes(dev, crtc, primary, cursor, 267 &virtio_gpu_crtc_funcs, NULL); 268 drm_crtc_helper_add(crtc, &virtio_gpu_crtc_helper_funcs); 269 270 drm_connector_init(dev, connector, &virtio_gpu_connector_funcs, 271 DRM_MODE_CONNECTOR_VIRTUAL); 272 drm_connector_helper_add(connector, &virtio_gpu_conn_helper_funcs); 273 if (vgdev->has_edid) 274 drm_connector_attach_edid_property(connector); 275 > 276 drm_simple_encoder_init(dev, encoder, DRM_MODE_ENCODER_VIRTUAL); 277 drm_encoder_helper_add(encoder, &virtio_gpu_enc_helper_funcs); 278 encoder->possible_crtcs = 1 << index; 279 280 drm_connector_attach_encoder(connector, encoder); 281 drm_connector_register(connector); 282 return 0; 283 } 284 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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