tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 225b6b81afe63b3850b7cee0a3590f51144f2a75 commit: 98ce7d32e2154a6676d4dc7e6877af68cebf8832 [3547/3780] drm/amd/display: convert link.h functions to function pointer style config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230315/202303151409.por0SBf7-lkp@xxxxxxxxx/config) compiler: sparc64-linux-gcc (GCC) 12.1.0 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 # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=98ce7d32e2154a6676d4dc7e6877af68cebf8832 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 98ce7d32e2154a6676d4dc7e6877af68cebf8832 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash drivers/gpu/drm/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Link: https://lore.kernel.org/oe-kbuild-all/202303151409.por0SBf7-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_validation.c:258:10: warning: no previous prototype for 'link_timing_bandwidth_kbps' [-Wmissing-prototypes] 258 | uint32_t link_timing_bandwidth_kbps(const struct dc_crtc_timing *timing) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/core_types.h:32, from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/link.h:78, from drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_validation.h:27, from drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_validation.c:31: drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:143:22: warning: 'SYNAPTICS_DEVICE_ID' defined but not used [-Wunused-const-variable=] 143 | static const uint8_t SYNAPTICS_DEVICE_ID[] = "SYNA"; | ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:140:22: warning: 'DP_VGA_LVDS_CONVERTER_ID_3' defined but not used [-Wunused-const-variable=] 140 | static const uint8_t DP_VGA_LVDS_CONVERTER_ID_3[] = "dnomlA"; | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:138:22: warning: 'DP_VGA_LVDS_CONVERTER_ID_2' defined but not used [-Wunused-const-variable=] 138 | static const uint8_t DP_VGA_LVDS_CONVERTER_ID_2[] = "sivarT"; | ^~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:135:17: warning: 'DP_SINK_BRANCH_DEV_NAME_7580' defined but not used [-Wunused-const-variable=] 135 | static const u8 DP_SINK_BRANCH_DEV_NAME_7580[] = "7580\x80u"; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:133:22: warning: 'DP_SINK_DEVICE_STR_ID_2' defined but not used [-Wunused-const-variable=] 133 | static const uint8_t DP_SINK_DEVICE_STR_ID_2[] = {7, 1, 8, 7, 5}; | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:132:22: warning: 'DP_SINK_DEVICE_STR_ID_1' defined but not used [-Wunused-const-variable=] 132 | static const uint8_t DP_SINK_DEVICE_STR_ID_1[] = {7, 1, 8, 7, 3}; | ^~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/dc_types.h:37, from drivers/gpu/drm/amd/amdgpu/../display/dc/dc.h:29, from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/core_types.h:29: drivers/gpu/drm/amd/amdgpu/../display/dc/dc_hdmi_types.h:53:22: warning: 'dp_hdmi_dongle_signature_str' defined but not used [-Wunused-const-variable=] 53 | static const uint8_t dp_hdmi_dongle_signature_str[] = "DP-HDMI ADAPTOR"; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/link_timing_bandwidth_kbps +258 drivers/gpu/drm/amd/amdgpu/../display/dc/link/link_validation.c 257 > 258 uint32_t link_timing_bandwidth_kbps(const struct dc_crtc_timing *timing) 259 { 260 uint32_t bits_per_channel = 0; 261 uint32_t kbps; 262 263 if (timing->flags.DSC) 264 return dc_dsc_stream_bandwidth_in_kbps(timing, 265 timing->dsc_cfg.bits_per_pixel, 266 timing->dsc_cfg.num_slices_h, 267 timing->dsc_cfg.is_dp); 268 269 switch (timing->display_color_depth) { 270 case COLOR_DEPTH_666: 271 bits_per_channel = 6; 272 break; 273 case COLOR_DEPTH_888: 274 bits_per_channel = 8; 275 break; 276 case COLOR_DEPTH_101010: 277 bits_per_channel = 10; 278 break; 279 case COLOR_DEPTH_121212: 280 bits_per_channel = 12; 281 break; 282 case COLOR_DEPTH_141414: 283 bits_per_channel = 14; 284 break; 285 case COLOR_DEPTH_161616: 286 bits_per_channel = 16; 287 break; 288 default: 289 ASSERT(bits_per_channel != 0); 290 bits_per_channel = 8; 291 break; 292 } 293 294 kbps = timing->pix_clk_100hz / 10; 295 kbps *= bits_per_channel; 296 297 if (timing->flags.Y_ONLY != 1) { 298 /*Only YOnly make reduce bandwidth by 1/3 compares to RGB*/ 299 kbps *= 3; 300 if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR420) 301 kbps /= 2; 302 else if (timing->pixel_encoding == PIXEL_ENCODING_YCBCR422) 303 kbps = kbps * 2 / 3; 304 } 305 306 return kbps; 307 } 308 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests
