tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 8cb47d7cd090a690c1785385b2f3d407d4a53ad0 commit: 5f3bce13266e6fe2f7a46f94d8bc94d5274e276b [12891/13109] drm/amd/display: Request usb4 bw for mst streams config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20240111/202401110427.FNT67xeQ-lkp@xxxxxxxxx/config) compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240111/202401110427.FNT67xeQ-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/202401110427.FNT67xeQ-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_dp_dpia_bw.c:548:24: warning: arithmetic between different enumeration types ('const enum dc_link_rate' and 'const enum dc_lane_count') [-Wenum-enum-conversion] 548 | link_cap->link_rate * link_cap->lane_count * LINK_RATE_REF_FREQ_IN_KHZ * 8; | ~~~~~~~~~~~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~ 1 warning generated. vim +548 drivers/gpu/drm/amd/amdgpu/../display/dc/link/protocols/link_dp_dpia_bw.c 531 532 int link_dp_dpia_get_dp_overhead_in_dp_tunneling(struct dc_link *link) 533 { 534 int dp_overhead = 0, link_mst_overhead = 0; 535 536 if (!get_bw_alloc_proceed_flag((link))) 537 return dp_overhead; 538 539 /* if its mst link, add MTPH overhead */ 540 if ((link->type == dc_connection_mst_branch) && 541 !link->dpcd_caps.channel_coding_cap.bits.DP_128b_132b_SUPPORTED) { 542 /* For 8b/10b encoding: MTP is 64 time slots long, slot 0 is used for MTPH 543 * MST overhead is 1/64 of link bandwidth (excluding any overhead) 544 */ 545 const struct dc_link_settings *link_cap = 546 dc_link_get_link_cap(link); 547 uint32_t link_bw_in_kbps = > 548 link_cap->link_rate * link_cap->lane_count * LINK_RATE_REF_FREQ_IN_KHZ * 8; -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
