Hi Thomas, I love your patch! Yet something to improve: [auto build test ERROR on 7d3e7f64a42d66ba8da6e7b66a8d85457ef84570] url: https://github.com/intel-lab-lkp/linux/commits/Thomas-Zimmermann/drm-client-Test-for-connectors-before-sending-hotplug-event/20230124-214220 base: 7d3e7f64a42d66ba8da6e7b66a8d85457ef84570 patch link: https://lore.kernel.org/r/20230124134010.30263-7-tzimmermann%40suse.de patch subject: [Intel-gfx] [PATCH v2 06/10] drm/fb-helper: Initialize fb-helper's preferred BPP in prepare function config: riscv-randconfig-r042-20230123 (https://download.01.org/0day-ci/archive/20230125/202301251250.eyIn4zjn-lkp@xxxxxxxxx/config) compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 4196ca3278f78c6e19246e54ab0ecb364e37d66a) reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # install riscv cross compiling tool for clang build # apt-get install binutils-riscv64-linux-gnu # https://github.com/intel-lab-lkp/linux/commit/70e38534e74e4d12bb02b3b352bba2aed417f541 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Thomas-Zimmermann/drm-client-Test-for-connectors-before-sending-hotplug-event/20230124-214220 git checkout 70e38534e74e4d12bb02b3b352bba2aed417f541 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=riscv SHELL=/bin/bash drivers/gpu/drm/radeon/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/gpu/drm/radeon/radeon_fb.c:352:10: error: too many arguments to function call, expected 3, have 4 &radeon_fb_helper_funcs); ^~~~~~~~~~~~~~~~~~~~~~~ include/drm/drm_fb_helper.h:295:20: note: 'drm_fb_helper_prepare' declared here static inline void drm_fb_helper_prepare(struct drm_device *dev, ^ >> drivers/gpu/drm/radeon/radeon_fb.c:361:52: error: too few arguments to function call, expected 2, have 1 ret = drm_fb_helper_initial_config(&rfbdev->helper); ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ^ include/drm/drm_fb_helper.h:459:19: note: 'drm_fb_helper_initial_config' declared here static inline int drm_fb_helper_initial_config(struct drm_fb_helper *fb_helper, ^ 2 errors generated. vim +352 drivers/gpu/drm/radeon/radeon_fb.c 386516744ba45d Dave Airlie 2010-03-30 326 386516744ba45d Dave Airlie 2010-03-30 327 int radeon_fbdev_init(struct radeon_device *rdev) 386516744ba45d Dave Airlie 2010-03-30 328 { 8be48d924c307e Dave Airlie 2010-03-30 329 struct radeon_fbdev *rfbdev; 4abe35204af82a Dave Airlie 2010-03-30 330 int bpp_sel = 32; 5a79395b2791cc Chris Wilson 2010-06-06 331 int ret; 4abe35204af82a Dave Airlie 2010-03-30 332 e5f243bd2edd95 Alex Deucher 2016-03-10 333 /* don't enable fbdev if no connectors */ e5f243bd2edd95 Alex Deucher 2016-03-10 334 if (list_empty(&rdev->ddev->mode_config.connector_list)) e5f243bd2edd95 Alex Deucher 2016-03-10 335 return 0; e5f243bd2edd95 Alex Deucher 2016-03-10 336 7b8bd6bb4298ac Egbert Eich 2017-07-18 337 /* select 8 bpp console on 8MB cards, or 16 bpp on RN50 or 32MB */ 7b8bd6bb4298ac Egbert Eich 2017-07-18 338 if (rdev->mc.real_vram_size <= (8*1024*1024)) 4abe35204af82a Dave Airlie 2010-03-30 339 bpp_sel = 8; 7b8bd6bb4298ac Egbert Eich 2017-07-18 340 else if (ASIC_IS_RN50(rdev) || 7b8bd6bb4298ac Egbert Eich 2017-07-18 341 rdev->mc.real_vram_size <= (32*1024*1024)) 7b8bd6bb4298ac Egbert Eich 2017-07-18 342 bpp_sel = 16; 8be48d924c307e Dave Airlie 2010-03-30 343 8be48d924c307e Dave Airlie 2010-03-30 344 rfbdev = kzalloc(sizeof(struct radeon_fbdev), GFP_KERNEL); 8be48d924c307e Dave Airlie 2010-03-30 345 if (!rfbdev) 8be48d924c307e Dave Airlie 2010-03-30 346 return -ENOMEM; 771fe6b912fca5 Jerome Glisse 2009-06-05 347 8be48d924c307e Dave Airlie 2010-03-30 348 rfbdev->rdev = rdev; 8be48d924c307e Dave Airlie 2010-03-30 349 rdev->mode_info.rfbdev = rfbdev; 10a231026574f9 Thierry Reding 2014-06-27 350 70e38534e74e4d Thomas Zimmermann 2023-01-24 351 drm_fb_helper_prepare(rdev->ddev, &rfbdev->helper, bpp_sel, 10a231026574f9 Thierry Reding 2014-06-27 @352 &radeon_fb_helper_funcs); 785b93ef8c3097 Dave Airlie 2009-08-28 353 2dea2d1182179e Pankaj Bharadiya 2020-03-05 354 ret = drm_fb_helper_init(rdev->ddev, &rfbdev->helper); 01934c2a691882 Thierry Reding 2014-12-19 355 if (ret) 01934c2a691882 Thierry Reding 2014-12-19 356 goto free; 5a79395b2791cc Chris Wilson 2010-06-06 357 76a39dbfb2d1bc Daniel Vetter 2013-01-20 358 /* disable all the possible outputs/crtcs before entering KMS mode */ 76a39dbfb2d1bc Daniel Vetter 2013-01-20 359 drm_helper_disable_unused_functions(rdev->ddev); 76a39dbfb2d1bc Daniel Vetter 2013-01-20 360 70e38534e74e4d Thomas Zimmermann 2023-01-24 @361 ret = drm_fb_helper_initial_config(&rfbdev->helper); 01934c2a691882 Thierry Reding 2014-12-19 362 if (ret) 01934c2a691882 Thierry Reding 2014-12-19 363 goto fini; 01934c2a691882 Thierry Reding 2014-12-19 364 771fe6b912fca5 Jerome Glisse 2009-06-05 365 return 0; 01934c2a691882 Thierry Reding 2014-12-19 366 01934c2a691882 Thierry Reding 2014-12-19 367 fini: 01934c2a691882 Thierry Reding 2014-12-19 368 drm_fb_helper_fini(&rfbdev->helper); 01934c2a691882 Thierry Reding 2014-12-19 369 free: 01934c2a691882 Thierry Reding 2014-12-19 370 kfree(rfbdev); 01934c2a691882 Thierry Reding 2014-12-19 371 return ret; 386516744ba45d Dave Airlie 2010-03-30 372 } 386516744ba45d Dave Airlie 2010-03-30 373 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests