tree: git://people.freedesktop.org/~airlied/linux.git i915-display-struct-refactor head: e183b125871ffdd77b6de15a963e6fc8a47173c9 commit: 5b99cab055595d1b12d7425e560b5a9fcd15c9a3 [22/25] drm/i915/display: move dpll struct into display config: x86_64-randconfig-a016-20210906 (attached as .config) compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 6fe2beba7d2a41964af658c8c59dd172683ef739) 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 remote add drm git://people.freedesktop.org/~airlied/linux.git git fetch --no-tags drm i915-display-struct-refactor git checkout 5b99cab055595d1b12d7425e560b5a9fcd15c9a3 # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/gpu/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): >> drivers/gpu/drm/i915/gvt/handlers.c:510:34: error: no member named 'dpll' in 'struct drm_i915_private' refclk = vgpu->gvt->gt->i915->dpll.ref_clks.ssc; ~~~~~~~~~~~~~~~~~~~ ^ drivers/gpu/drm/i915/gvt/handlers.c:541:36: error: no member named 'dpll' in 'struct drm_i915_private' int refclk = vgpu->gvt->gt->i915->dpll.ref_clks.nssc; ~~~~~~~~~~~~~~~~~~~ ^ 2 errors generated. vim +510 drivers/gpu/drm/i915/gvt/handlers.c 04d348ae3f0aea Zhi Wang 2016-04-25 446 6a4500c7b83f9e Colin Xu 2021-02-26 447 /* 6a4500c7b83f9e Colin Xu 2021-02-26 448 * Only PIPE_A is enabled in current vGPU display and PIPE_A is tied to 6a4500c7b83f9e Colin Xu 2021-02-26 449 * TRANSCODER_A in HW. DDI/PORT could be PORT_x depends on 6a4500c7b83f9e Colin Xu 2021-02-26 450 * setup_virtual_dp_monitor(). 6a4500c7b83f9e Colin Xu 2021-02-26 451 * emulate_monitor_status_change() set up PLL for PORT_x as the initial enabled 6a4500c7b83f9e Colin Xu 2021-02-26 452 * DPLL. Later guest driver may setup a different DPLLx when setting mode. 6a4500c7b83f9e Colin Xu 2021-02-26 453 * So the correct sequence to find DP stream clock is: 6a4500c7b83f9e Colin Xu 2021-02-26 454 * Check TRANS_DDI_FUNC_CTL on TRANSCODER_A to get PORT_x. 6a4500c7b83f9e Colin Xu 2021-02-26 455 * Check correct PLLx for PORT_x to get PLL frequency and DP bitrate. 6a4500c7b83f9e Colin Xu 2021-02-26 456 * Then Refresh rate then can be calculated based on follow equations: 6a4500c7b83f9e Colin Xu 2021-02-26 457 * Pixel clock = h_total * v_total * refresh_rate 6a4500c7b83f9e Colin Xu 2021-02-26 458 * stream clock = Pixel clock 6a4500c7b83f9e Colin Xu 2021-02-26 459 * ls_clk = DP bitrate 6a4500c7b83f9e Colin Xu 2021-02-26 460 * Link M/N = strm_clk / ls_clk 6a4500c7b83f9e Colin Xu 2021-02-26 461 */ 6a4500c7b83f9e Colin Xu 2021-02-26 462 6a4500c7b83f9e Colin Xu 2021-02-26 463 static u32 bdw_vgpu_get_dp_bitrate(struct intel_vgpu *vgpu, enum port port) 6a4500c7b83f9e Colin Xu 2021-02-26 464 { 6a4500c7b83f9e Colin Xu 2021-02-26 465 u32 dp_br = 0; 6a4500c7b83f9e Colin Xu 2021-02-26 466 u32 ddi_pll_sel = vgpu_vreg_t(vgpu, PORT_CLK_SEL(port)); 6a4500c7b83f9e Colin Xu 2021-02-26 467 6a4500c7b83f9e Colin Xu 2021-02-26 468 switch (ddi_pll_sel) { 6a4500c7b83f9e Colin Xu 2021-02-26 469 case PORT_CLK_SEL_LCPLL_2700: 6a4500c7b83f9e Colin Xu 2021-02-26 470 dp_br = 270000 * 2; 6a4500c7b83f9e Colin Xu 2021-02-26 471 break; 6a4500c7b83f9e Colin Xu 2021-02-26 472 case PORT_CLK_SEL_LCPLL_1350: 6a4500c7b83f9e Colin Xu 2021-02-26 473 dp_br = 135000 * 2; 6a4500c7b83f9e Colin Xu 2021-02-26 474 break; 6a4500c7b83f9e Colin Xu 2021-02-26 475 case PORT_CLK_SEL_LCPLL_810: 6a4500c7b83f9e Colin Xu 2021-02-26 476 dp_br = 81000 * 2; 6a4500c7b83f9e Colin Xu 2021-02-26 477 break; 6a4500c7b83f9e Colin Xu 2021-02-26 478 case PORT_CLK_SEL_SPLL: 6a4500c7b83f9e Colin Xu 2021-02-26 479 { 6a4500c7b83f9e Colin Xu 2021-02-26 480 switch (vgpu_vreg_t(vgpu, SPLL_CTL) & SPLL_FREQ_MASK) { 6a4500c7b83f9e Colin Xu 2021-02-26 481 case SPLL_FREQ_810MHz: 6a4500c7b83f9e Colin Xu 2021-02-26 482 dp_br = 81000 * 2; 6a4500c7b83f9e Colin Xu 2021-02-26 483 break; 6a4500c7b83f9e Colin Xu 2021-02-26 484 case SPLL_FREQ_1350MHz: 6a4500c7b83f9e Colin Xu 2021-02-26 485 dp_br = 135000 * 2; 6a4500c7b83f9e Colin Xu 2021-02-26 486 break; 6a4500c7b83f9e Colin Xu 2021-02-26 487 case SPLL_FREQ_2700MHz: 6a4500c7b83f9e Colin Xu 2021-02-26 488 dp_br = 270000 * 2; 6a4500c7b83f9e Colin Xu 2021-02-26 489 break; 6a4500c7b83f9e Colin Xu 2021-02-26 490 default: 6a4500c7b83f9e Colin Xu 2021-02-26 491 gvt_dbg_dpy("vgpu-%d PORT_%c can't get freq from SPLL 0x%08x\n", 6a4500c7b83f9e Colin Xu 2021-02-26 492 vgpu->id, port_name(port), vgpu_vreg_t(vgpu, SPLL_CTL)); 6a4500c7b83f9e Colin Xu 2021-02-26 493 break; 6a4500c7b83f9e Colin Xu 2021-02-26 494 } 6a4500c7b83f9e Colin Xu 2021-02-26 495 break; 6a4500c7b83f9e Colin Xu 2021-02-26 496 } 6a4500c7b83f9e Colin Xu 2021-02-26 497 case PORT_CLK_SEL_WRPLL1: 6a4500c7b83f9e Colin Xu 2021-02-26 498 case PORT_CLK_SEL_WRPLL2: 6a4500c7b83f9e Colin Xu 2021-02-26 499 { 6a4500c7b83f9e Colin Xu 2021-02-26 500 u32 wrpll_ctl; 6a4500c7b83f9e Colin Xu 2021-02-26 501 int refclk, n, p, r; 6a4500c7b83f9e Colin Xu 2021-02-26 502 6a4500c7b83f9e Colin Xu 2021-02-26 503 if (ddi_pll_sel == PORT_CLK_SEL_WRPLL1) 6a4500c7b83f9e Colin Xu 2021-02-26 504 wrpll_ctl = vgpu_vreg_t(vgpu, WRPLL_CTL(DPLL_ID_WRPLL1)); 6a4500c7b83f9e Colin Xu 2021-02-26 505 else 6a4500c7b83f9e Colin Xu 2021-02-26 506 wrpll_ctl = vgpu_vreg_t(vgpu, WRPLL_CTL(DPLL_ID_WRPLL2)); 6a4500c7b83f9e Colin Xu 2021-02-26 507 6a4500c7b83f9e Colin Xu 2021-02-26 508 switch (wrpll_ctl & WRPLL_REF_MASK) { 6a4500c7b83f9e Colin Xu 2021-02-26 509 case WRPLL_REF_PCH_SSC: 6a4500c7b83f9e Colin Xu 2021-02-26 @510 refclk = vgpu->gvt->gt->i915->dpll.ref_clks.ssc; 6a4500c7b83f9e Colin Xu 2021-02-26 511 break; 6a4500c7b83f9e Colin Xu 2021-02-26 512 case WRPLL_REF_LCPLL: 6a4500c7b83f9e Colin Xu 2021-02-26 513 refclk = 2700000; 6a4500c7b83f9e Colin Xu 2021-02-26 514 break; 6a4500c7b83f9e Colin Xu 2021-02-26 515 default: 6a4500c7b83f9e Colin Xu 2021-02-26 516 gvt_dbg_dpy("vgpu-%d PORT_%c WRPLL can't get refclk 0x%08x\n", 6a4500c7b83f9e Colin Xu 2021-02-26 517 vgpu->id, port_name(port), wrpll_ctl); 6a4500c7b83f9e Colin Xu 2021-02-26 518 goto out; 6a4500c7b83f9e Colin Xu 2021-02-26 519 } 6a4500c7b83f9e Colin Xu 2021-02-26 520 6a4500c7b83f9e Colin Xu 2021-02-26 521 r = wrpll_ctl & WRPLL_DIVIDER_REF_MASK; 6a4500c7b83f9e Colin Xu 2021-02-26 522 p = (wrpll_ctl & WRPLL_DIVIDER_POST_MASK) >> WRPLL_DIVIDER_POST_SHIFT; 6a4500c7b83f9e Colin Xu 2021-02-26 523 n = (wrpll_ctl & WRPLL_DIVIDER_FB_MASK) >> WRPLL_DIVIDER_FB_SHIFT; 6a4500c7b83f9e Colin Xu 2021-02-26 524 6a4500c7b83f9e Colin Xu 2021-02-26 525 dp_br = (refclk * n / 10) / (p * r) * 2; 6a4500c7b83f9e Colin Xu 2021-02-26 526 break; 6a4500c7b83f9e Colin Xu 2021-02-26 527 } 6a4500c7b83f9e Colin Xu 2021-02-26 528 default: 6a4500c7b83f9e Colin Xu 2021-02-26 529 gvt_dbg_dpy("vgpu-%d PORT_%c has invalid clock select 0x%08x\n", 6a4500c7b83f9e Colin Xu 2021-02-26 530 vgpu->id, port_name(port), vgpu_vreg_t(vgpu, PORT_CLK_SEL(port))); 6a4500c7b83f9e Colin Xu 2021-02-26 531 break; 6a4500c7b83f9e Colin Xu 2021-02-26 532 } 6a4500c7b83f9e Colin Xu 2021-02-26 533 6a4500c7b83f9e Colin Xu 2021-02-26 534 out: 6a4500c7b83f9e Colin Xu 2021-02-26 535 return dp_br; 6a4500c7b83f9e Colin Xu 2021-02-26 536 } 6a4500c7b83f9e Colin Xu 2021-02-26 537 :::::: The code at line 510 was first introduced by commit :::::: 6a4500c7b83f9e4470dd20cf89f691abd132d090 drm/i915/gvt: Get accurate vGPU virtual display refresh rate from vreg :::::: TO: Colin Xu <colin.xu@xxxxxxxxx> :::::: CC: Zhenyu Wang <zhenyuw@xxxxxxxxxxxxxxx> --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
Attachment:
.config.gz
Description: application/gzip
