Hi Marek, kernel test robot noticed the following build errors:
[auto build test ERROR on drm-misc/drm-misc-next] [also build test ERROR on drm/drm-next drm-exynos/exynos-drm-next drm-tip/drm-tip next-20250922] [cannot apply to linus/master v6.17-rc7] [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/Marek-Vasut/drm-rcar-du-dsi-Fix-missing-parameter-in-RXSETR_-EN-macros/20250923-025951 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next patch link: https://lore.kernel.org/r/20250922185740.153759-4-marek.vasut%2Brenesas%40mailbox.org patch subject: [PATCH 3/9] drm/rcar-du: dsi: Clean up VCLKSET register macros config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20250923/[email protected]/config) compiler: m68k-linux-gcc (GCC) 15.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250923/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All errors (new ones prefixed by >>): drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c: In function 'rcar_mipi_dsi_startup': >> drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c:626:28: error: implicit >> declaration of function 'FIELD_PREP' [-Wimplicit-function-declaration] 626 | vclkset |= FIELD_PREP(VCLKSET_BPP_MASK, VCLKSET_BPP_24); | ^~~~~~~~~~ vim +/FIELD_PREP +626 drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c 503 504 static int rcar_mipi_dsi_startup(struct rcar_mipi_dsi *dsi, 505 const struct drm_display_mode *mode) 506 { 507 struct dsi_setup_info setup_info = {}; 508 unsigned int timeout; 509 int ret; 510 int dsi_format; 511 u32 phy_setup; 512 u32 clockset2, clockset3; 513 u32 ppisetr; 514 u32 vclkset; 515 516 /* Checking valid format */ 517 dsi_format = mipi_dsi_pixel_format_to_bpp(dsi->format); 518 if (dsi_format < 0) { 519 dev_warn(dsi->dev, "invalid format"); 520 return -EINVAL; 521 } 522 523 /* Parameters Calculation */ 524 rcar_mipi_dsi_parameters_calc(dsi, dsi->clocks.pll, 525 mode->clock * 1000, &setup_info); 526 527 /* LPCLK enable */ 528 rcar_mipi_dsi_set(dsi, LPCLKSET, LPCLKSET_CKEN); 529 530 /* CFGCLK enabled */ 531 rcar_mipi_dsi_set(dsi, CFGCLKSET, CFGCLKSET_CKEN); 532 533 rcar_mipi_dsi_clr(dsi, PHYSETUP, PHYSETUP_RSTZ); 534 rcar_mipi_dsi_clr(dsi, PHYSETUP, PHYSETUP_SHUTDOWNZ); 535 536 rcar_mipi_dsi_set(dsi, PHTC, PHTC_TESTCLR); 537 rcar_mipi_dsi_clr(dsi, PHTC, PHTC_TESTCLR); 538 539 /* PHY setting */ 540 phy_setup = rcar_mipi_dsi_read(dsi, PHYSETUP); 541 phy_setup &= ~PHYSETUP_HSFREQRANGE_MASK; 542 phy_setup |= PHYSETUP_HSFREQRANGE(setup_info.hsfreqrange); 543 rcar_mipi_dsi_write(dsi, PHYSETUP, phy_setup); 544 545 switch (dsi->info->model) { 546 case RCAR_DSI_V3U: 547 default: 548 ret = rcar_mipi_dsi_init_phtw_v3u(dsi); 549 if (ret < 0) 550 return ret; 551 break; 552 553 case RCAR_DSI_V4H: 554 ret = rcar_mipi_dsi_init_phtw_v4h(dsi, &setup_info); 555 if (ret < 0) 556 return ret; 557 break; 558 } 559 560 /* PLL Clock Setting */ 561 rcar_mipi_dsi_clr(dsi, CLOCKSET1, CLOCKSET1_SHADOW_CLEAR); 562 rcar_mipi_dsi_set(dsi, CLOCKSET1, CLOCKSET1_SHADOW_CLEAR); 563 rcar_mipi_dsi_clr(dsi, CLOCKSET1, CLOCKSET1_SHADOW_CLEAR); 564 565 clockset2 = CLOCKSET2_M(setup_info.m - dsi->info->clockset2_m_offset) 566 | CLOCKSET2_N(setup_info.n - 1) 567 | CLOCKSET2_VCO_CNTRL(setup_info.clkset->vco_cntrl); 568 clockset3 = CLOCKSET3_PROP_CNTRL(setup_info.clkset->prop_cntrl) 569 | CLOCKSET3_INT_CNTRL(setup_info.clkset->int_cntrl) 570 | CLOCKSET3_CPBIAS_CNTRL(setup_info.clkset->cpbias_cntrl) 571 | CLOCKSET3_GMP_CNTRL(setup_info.clkset->gmp_cntrl); 572 rcar_mipi_dsi_write(dsi, CLOCKSET2, clockset2); 573 rcar_mipi_dsi_write(dsi, CLOCKSET3, clockset3); 574 575 rcar_mipi_dsi_clr(dsi, CLOCKSET1, CLOCKSET1_UPDATEPLL); 576 rcar_mipi_dsi_set(dsi, CLOCKSET1, CLOCKSET1_UPDATEPLL); 577 udelay(10); 578 rcar_mipi_dsi_clr(dsi, CLOCKSET1, CLOCKSET1_UPDATEPLL); 579 580 rcar_mipi_dsi_clr(dsi, TXSETR, TXSETR_LANECNT_MASK); 581 rcar_mipi_dsi_set(dsi, TXSETR, dsi->lanes - 1); 582 583 ppisetr = ((BIT(dsi->lanes) - 1) & PPISETR_DLEN_MASK) | PPISETR_CLEN; 584 rcar_mipi_dsi_write(dsi, PPISETR, ppisetr); 585 586 rcar_mipi_dsi_set(dsi, PHYSETUP, PHYSETUP_SHUTDOWNZ); 587 rcar_mipi_dsi_set(dsi, PHYSETUP, PHYSETUP_RSTZ); 588 usleep_range(400, 500); 589 590 /* Checking PPI clock status register */ 591 for (timeout = 10; timeout > 0; --timeout) { 592 if ((rcar_mipi_dsi_read(dsi, PPICLSR) & PPICLSR_STPST) && 593 (rcar_mipi_dsi_read(dsi, PPIDLSR) & PPIDLSR_STPST) && 594 (rcar_mipi_dsi_read(dsi, CLOCKSET1) & CLOCKSET1_LOCK_PHY)) 595 break; 596 597 usleep_range(1000, 2000); 598 } 599 600 if (!timeout) { 601 dev_err(dsi->dev, "failed to enable PPI clock\n"); 602 return -ETIMEDOUT; 603 } 604 605 switch (dsi->info->model) { 606 case RCAR_DSI_V3U: 607 default: 608 ret = rcar_mipi_dsi_post_init_phtw_v3u(dsi); 609 if (ret < 0) 610 return ret; 611 break; 612 613 case RCAR_DSI_V4H: 614 ret = rcar_mipi_dsi_post_init_phtw_v4h(dsi, &setup_info); 615 if (ret < 0) 616 return ret; 617 break; 618 } 619 620 /* Enable DOT clock */ 621 vclkset = VCLKSET_CKEN; 622 rcar_mipi_dsi_write(dsi, VCLKSET, vclkset); 623 624 /* Output is always RGB, never YCbCr */ 625 if (dsi_format == 24) > 626 vclkset |= FIELD_PREP(VCLKSET_BPP_MASK, VCLKSET_BPP_24); 627 else if (dsi_format == 18) 628 vclkset |= FIELD_PREP(VCLKSET_BPP_MASK, VCLKSET_BPP_18); 629 else if (dsi_format == 16) 630 vclkset |= FIELD_PREP(VCLKSET_BPP_MASK, VCLKSET_BPP_16); 631 else { 632 dev_warn(dsi->dev, "unsupported format"); 633 return -EINVAL; 634 } 635 636 vclkset |= VCLKSET_LANE(dsi->lanes - 1); 637 638 switch (dsi->info->model) { 639 case RCAR_DSI_V3U: 640 default: 641 vclkset |= VCLKSET_DIV_V3U(__ffs(setup_info.vclk_divider)); 642 break; 643 644 case RCAR_DSI_V4H: 645 vclkset |= VCLKSET_DIV_V4H(__ffs(setup_info.vclk_divider) - 1); 646 break; 647 } 648 649 rcar_mipi_dsi_write(dsi, VCLKSET, vclkset); 650 651 /* After setting VCLKSET register, enable VCLKEN */ 652 rcar_mipi_dsi_set(dsi, VCLKEN, VCLKEN_CKEN); 653 654 dev_dbg(dsi->dev, "DSI device is started\n"); 655 656 return 0; 657 } 658 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
