tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 59126901f200f5fc907153468b03c64e0081b6e6 commit: 4259ff7ae509ed880b3a7bb685972c3a3bf4b74b drm/msm/dpu: add support for pcc color block in dpu driver date: 4 months ago config: arm64-randconfig-r013-20200904 (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 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 git checkout 4259ff7ae509ed880b3a7bb685972c3a3bf4b74b # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=arm64
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <l...@intel.com> All warnings (new ones prefixed by >>): drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c: In function '_dpu_crtc_setup_cp_blocks': >> drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c:460:23: warning: variable 'lm' set >> but not used [-Wunused-but-set-variable] 460 | struct dpu_hw_mixer *lm; | ^~ # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4259ff7ae509ed880b3a7bb685972c3a3bf4b74b git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 4259ff7ae509ed880b3a7bb685972c3a3bf4b74b vim +/lm +460 drivers/gpu/drm/msm/disp/dpu1/dpu_crtc.c 452 453 static void _dpu_crtc_setup_cp_blocks(struct drm_crtc *crtc) 454 { 455 struct drm_crtc_state *state = crtc->state; 456 struct dpu_crtc_state *cstate = to_dpu_crtc_state(crtc->state); 457 struct dpu_crtc_mixer *mixer = cstate->mixers; 458 struct dpu_hw_pcc_cfg cfg; 459 struct dpu_hw_ctl *ctl; > 460 struct dpu_hw_mixer *lm; 461 struct dpu_hw_dspp *dspp; 462 int i; 463 464 465 if (!state->color_mgmt_changed) 466 return; 467 468 for (i = 0; i < cstate->num_mixers; i++) { 469 ctl = mixer[i].lm_ctl; 470 lm = mixer[i].hw_lm; 471 dspp = mixer[i].hw_dspp; 472 473 if (!dspp || !dspp->ops.setup_pcc) 474 continue; 475 476 if (!state->ctm) { 477 dspp->ops.setup_pcc(dspp, NULL); 478 } else { 479 _dpu_crtc_get_pcc_coeff(state, &cfg); 480 dspp->ops.setup_pcc(dspp, &cfg); 481 } 482 483 mixer[i].flush_mask |= ctl->ops.get_bitmask_dspp(ctl, 484 mixer[i].hw_dspp->idx); 485 486 /* stage config flush mask */ 487 ctl->ops.update_pending_flush(ctl, mixer[i].flush_mask); 488 489 DPU_DEBUG("lm %d, ctl %d, flush mask 0x%x\n", 490 mixer[i].hw_lm->idx - DSPP_0, 491 ctl->idx - CTL_0, 492 mixer[i].flush_mask); 493 } 494 } 495 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-...@lists.01.org
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