Hi Kuogee, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on next-20230123] [also build test WARNING on linus/master v6.2-rc5] [cannot apply to drm-misc/drm-misc-next drm/drm-next drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes drm-tip/drm-tip v6.2-rc5 v6.2-rc4 v6.2-rc3] [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/Kuogee-Hsieh/drm-msm-dp-add-dpcd-read-of-both-dsc-and-fec-capability/20230124-022759 patch link: https://lore.kernel.org/r/1674498274-6010-5-git-send-email-quic_khsieh%40quicinc.com patch subject: [PATCH v1 04/14] drm/msm/dp: correct configure Colorimetry Indicator Field at MISC0 config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230124/202301240836.ik3aytbc-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://github.com/intel-lab-lkp/linux/commit/834f569a141af42cb93424c24e7d146f3b88405b git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Kuogee-Hsieh/drm-msm-dp-add-dpcd-read-of-both-dsc-and-fec-capability/20230124-022759 git checkout 834f569a141af42cb93424c24e7d146f3b88405b # 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/msm/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> drivers/gpu/drm/msm/dp/dp_panel.c:571: warning: This comment starts with '/**', but isn't a kernel-doc comment. Refer Documentation/doc-guide/kernel-doc.rst * Mapper function which outputs colorimetry to be used for a vim +571 drivers/gpu/drm/msm/dp/dp_panel.c 569 570 /** > 571 * Mapper function which outputs colorimetry to be used for a 572 * given colorspace value when misc field of MSA is used to 573 * change the colorimetry. Currently only RGB formats have been 574 * added. This API will be extended to YUV once its supported on DP. 575 */ 576 u8 dp_panel_get_misc_colorimetry_val(struct dp_panel *dp_panel) 577 { 578 u8 colorimetry; 579 u32 colorspace; 580 u32 cc; 581 struct dp_panel_private *panel; 582 583 panel = container_of(dp_panel, struct dp_panel_private, dp_panel); 584 585 cc = dp_link_get_colorimetry_config(panel->link); 586 /* 587 * If there is a non-zero value then compliance test-case 588 * is going on, otherwise we can honor the colorspace setting 589 */ 590 if (cc) 591 return cc; 592 593 colorspace = dp_panel->connector->state->colorspace; 594 switch (colorspace) { 595 case DRM_MODE_COLORIMETRY_DCI_P3_RGB_D65: 596 case DRM_MODE_COLORIMETRY_DCI_P3_RGB_THEATER: 597 colorimetry = 0x7; 598 break; 599 case DRM_MODE_COLORIMETRY_RGB_WIDE_FIXED: 600 colorimetry = 0x3; 601 break; 602 case DRM_MODE_COLORIMETRY_RGB_WIDE_FLOAT: 603 colorimetry = 0xb; 604 break; 605 case DRM_MODE_COLORIMETRY_OPRGB: 606 colorimetry = 0xc; 607 break; 608 default: 609 colorimetry = 0; 610 } 611 612 return colorimetry; 613 } 614 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests