Hi Gjorgji, kernel test robot noticed the following build warnings: [auto build test WARNING on media-tree/master] [also build test WARNING on linus/master next-20240523] [cannot apply to v6.9] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Gjorgji-Rosikopulos/media-qcom-camss-Add-per-sub-device-type-resources/20240522-235220 base: git://linuxtv.org/media_tree.git master patch link: https://lore.kernel.org/r/20240522154659.510-7-quic_grosikop%40quicinc.com patch subject: [PATCH v4 6/8] media: qcom: camss: Split testgen, RDI and RX for CSID 170 config: arm64-defconfig (https://download.01.org/0day-ci/archive/20240523/202405232059.8lLokYw2-lkp@xxxxxxxxx/config) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240523/202405232059.8lLokYw2-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202405232059.8lLokYw2-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): drivers/media/platform/qcom/camss/camss-csid-gen2.c: In function '__csid_configure_rdi_stream': >> drivers/media/platform/qcom/camss/camss-csid-gen2.c:265:13: warning: variable 'phy_sel' set but not used [-Wunused-but-set-variable] 265 | u32 phy_sel = 0; | ^~~~~~~ vim +/phy_sel +265 drivers/media/platform/qcom/camss/camss-csid-gen2.c 260 261 static void __csid_configure_rdi_stream(struct csid_device *csid, u8 enable, u8 vc) 262 { 263 struct csid_testgen_config *tg = &csid->testgen; 264 u32 val; > 265 u32 phy_sel = 0; 266 /* Source pads matching RDI channels on hardware. Pad 1 -> RDI0, Pad 2 -> RDI1, etc. */ 267 struct v4l2_mbus_framefmt *input_format = &csid->fmt[MSM_CSID_PAD_FIRST_SRC + vc]; 268 const struct csid_format_info *format = csid_get_fmt_entry(csid->res->formats->formats, 269 csid->res->formats->nformats, 270 input_format->code); 271 272 if (!tg->enabled) 273 phy_sel = csid->phy.csiphy_id; 274 275 /* 276 * DT_ID is a two bit bitfield that is concatenated with 277 * the four least significant bits of the five bit VC 278 * bitfield to generate an internal CID value. 279 * 280 * CSID_RDI_CFG0(vc) 281 * DT_ID : 28:27 282 * VC : 26:22 283 * DT : 21:16 284 * 285 * CID : VC 3:0 << 2 | DT_ID 1:0 286 */ 287 u8 dt_id = vc & 0x03; 288 289 val = 1 << RDI_CFG0_BYTE_CNTR_EN; 290 val |= 1 << RDI_CFG0_FORMAT_MEASURE_EN; 291 val |= 1 << RDI_CFG0_TIMESTAMP_EN; 292 /* note: for non-RDI path, this should be format->decode_format */ 293 val |= DECODE_FORMAT_PAYLOAD_ONLY << RDI_CFG0_DECODE_FORMAT; 294 val |= format->data_type << RDI_CFG0_DATA_TYPE; 295 val |= vc << RDI_CFG0_VIRTUAL_CHANNEL; 296 val |= dt_id << RDI_CFG0_DT_ID; 297 writel_relaxed(val, csid->base + CSID_RDI_CFG0(vc)); 298 299 /* CSID_TIMESTAMP_STB_POST_IRQ */ 300 val = 2 << RDI_CFG1_TIMESTAMP_STB_SEL; 301 writel_relaxed(val, csid->base + CSID_RDI_CFG1(vc)); 302 303 val = 1; 304 writel_relaxed(val, csid->base + CSID_RDI_FRM_DROP_PERIOD(vc)); 305 306 val = 0; 307 writel_relaxed(val, csid->base + CSID_RDI_FRM_DROP_PATTERN(vc)); 308 309 val = 1; 310 writel_relaxed(val, csid->base + CSID_RDI_IRQ_SUBSAMPLE_PERIOD(vc)); 311 312 val = 0; 313 writel_relaxed(val, csid->base + CSID_RDI_IRQ_SUBSAMPLE_PATTERN(vc)); 314 315 val = 1; 316 writel_relaxed(val, csid->base + CSID_RDI_RPP_PIX_DROP_PERIOD(vc)); 317 318 val = 0; 319 writel_relaxed(val, csid->base + CSID_RDI_RPP_PIX_DROP_PATTERN(vc)); 320 321 val = 1; 322 writel_relaxed(val, csid->base + CSID_RDI_RPP_LINE_DROP_PERIOD(vc)); 323 324 val = 0; 325 writel_relaxed(val, csid->base + CSID_RDI_RPP_LINE_DROP_PATTERN(vc)); 326 327 val = 0; 328 writel_relaxed(val, csid->base + CSID_RDI_CTRL(vc)); 329 330 val = readl_relaxed(csid->base + CSID_RDI_CFG0(vc)); 331 val |= enable << RDI_CFG0_ENABLE; 332 writel_relaxed(val, csid->base + CSID_RDI_CFG0(vc)); 333 } 334 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki