Hi Jani, kernel test robot noticed the following build errors:
[auto build test ERROR on next-20251021] [also build test ERROR on v6.18-rc2] [cannot apply to drm-exynos/exynos-drm-next rockchip/for-next linus/master v6.18-rc2 v6.18-rc1 v6.17] [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/Jani-Nikula/drm-mm-replace-drm_print-h-include-with-a-forward-declaration/20251022-003212 base: next-20251021 patch link: https://lore.kernel.org/r/05a996d685afb1facfdd5aef1eab1680fa5eb0a0.1761063757.git.jani.nikula%40intel.com patch subject: [PATCH 1/3] drm/mm: replace drm_print.h include with a forward declaration config: x86_64-buildonly-randconfig-004-20251022 (https://download.01.org/0day-ci/archive/20251022/[email protected]/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251022/[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/gma500/oaktrail_hdmi.c:174:2: error: call to undeclared >> function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 174 | DRM_DEBUG_KMS("new crtc htotal 0x%4x\n", new_crtc_htotal); | ^ drivers/gpu/drm/gma500/oaktrail_hdmi.c:201:2: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 201 | DRM_DEBUG_KMS("np, nr, nf %d %d %d\n", np, nr, nf); | ^ drivers/gpu/drm/gma500/oaktrail_hdmi.c:224:4: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 224 | DRM_DEBUG_KMS("SCU IPC timed out"); | ^ >> drivers/gpu/drm/gma500/oaktrail_hdmi.c:244:3: error: call to undeclared >> function 'DRM_ERROR'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 244 | DRM_ERROR("failed to map scu mmio\n"); | ^ drivers/gpu/drm/gma500/oaktrail_hdmi.c:388:2: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 388 | DRM_DEBUG_KMS("%s %d\n", __func__, mode); | ^ drivers/gpu/drm/gma500/oaktrail_hdmi.c:540:2: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 540 | DRM_DEBUG_KMS("HDMI_HSR %x\n", temp); | ^ drivers/gpu/drm/gma500/oaktrail_hdmi.c:577:3: error: call to undeclared function 'DRM_ERROR'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 577 | DRM_ERROR("No ddc adapter available!\n"); | ^ 7 errors generated. -- >> drivers/gpu/drm/gma500/intel_gmbus.c:349:2: error: call to undeclared >> function 'DRM_INFO'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 349 | DRM_INFO("GMBUS timed out, falling back to bit banging on pin %d [%s]\n", | ^ 1 error generated. -- >> drivers/gpu/drm/gma500/intel_bios.c:58:4: error: call to undeclared function >> 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 58 | DRM_DEBUG_KMS("No eDP BDB found but eDP panel supported, assume %dbpp panel color depth.\n", | ^ drivers/gpu/drm/gma500/intel_bios.c:83:2: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 83 | DRM_DEBUG_KMS("EDP timing in vbt t1_t3 %d t8 %d t9 %d t10 %d t11_t12 %d\n", | ^ drivers/gpu/drm/gma500/intel_bios.c:335:3: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 335 | DRM_DEBUG_KMS("No general definition block is found, unable to construct sdvo mapping.\n"); | ^ drivers/gpu/drm/gma500/intel_bios.c:345:3: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 345 | DRM_DEBUG_KMS("different child size is found. Invalid.\n"); | ^ drivers/gpu/drm/gma500/intel_bios.c:371:4: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 371 | DRM_DEBUG_KMS("Incorrect SDVO port. Skip it\n"); | ^ drivers/gpu/drm/gma500/intel_bios.c:374:3: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 374 | DRM_DEBUG_KMS("the SDVO device with target addr %2x is found on" | ^ drivers/gpu/drm/gma500/intel_bios.c:408:3: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 408 | DRM_DEBUG_KMS("No SDVO device info is found in VBT\n"); | ^ drivers/gpu/drm/gma500/intel_bios.c:428:2: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 428 | DRM_DEBUG_KMS("LVDS VBT config bits: 0x%x\n", driver->lvds_config); | ^ drivers/gpu/drm/gma500/intel_bios.c:448:3: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 448 | DRM_DEBUG_KMS("No general definition block is found, no devices defined.\n"); | ^ drivers/gpu/drm/gma500/intel_bios.c:458:3: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 458 | DRM_DEBUG_KMS("different child size is found. Invalid.\n"); | ^ drivers/gpu/drm/gma500/intel_bios.c:477:3: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 477 | DRM_DEBUG_KMS("no child dev is parsed from VBT\n"); | ^ drivers/gpu/drm/gma500/intel_bios.c:482:3: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 482 | DRM_DEBUG_KMS("No memory space for child devices\n"); | ^ drivers/gpu/drm/gma500/intel_bios.c:534:4: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 534 | DRM_DEBUG_KMS("Using VBT from OpRegion: %20s\n", | ^ 13 errors generated. -- >> drivers/gpu/drm/gma500/cdv_device.c:79:3: error: call to undeclared function >> 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 79 | DRM_DEBUG_KMS("LVDS Panel PWM value is 0!\n"); | ^ 1 error generated. -- >> drivers/gpu/drm/gma500/cdv_intel_lvds.c:499:3: error: call to undeclared >> function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 499 | DRM_DEBUG_KMS("LVDS is not present in VBT\n"); | ^ >> drivers/gpu/drm/gma500/cdv_intel_lvds.c:630:3: error: call to undeclared >> function 'DRM_DEBUG'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 630 | DRM_DEBUG | ^ 2 errors generated. -- >> drivers/gpu/drm/gma500/oaktrail_hdmi_i2c.c:259:3: error: call to undeclared >> function 'DRM_ERROR'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 259 | DRM_ERROR("gpio ioremap fail\n"); | ^ >> drivers/gpu/drm/gma500/oaktrail_hdmi_i2c.c:264:2: error: call to undeclared >> function 'DRM_DEBUG_DRIVER'; ISO C99 and later do not support implicit >> function declarations [-Wimplicit-function-declaration] 264 | DRM_DEBUG_DRIVER("old gpio val %x\n", temp); | ^ drivers/gpu/drm/gma500/oaktrail_hdmi_i2c.c:298:3: error: call to undeclared function 'DRM_ERROR'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 298 | DRM_ERROR("Failed to request IRQ for I2C controller\n"); | ^ drivers/gpu/drm/gma500/oaktrail_hdmi_i2c.c:305:3: error: call to undeclared function 'DRM_ERROR'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 305 | DRM_ERROR("Failed to add I2C adapter\n"); | ^ 4 errors generated. -- >> drivers/gpu/drm/gma500/psb_intel_display.c:151:3: error: call to undeclared >> function 'DRM_ERROR'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 151 | DRM_ERROR("Couldn't find PLL settings for mode! target: %d, actual: %d", | ^ 1 error generated. -- >> drivers/gpu/drm/gma500/psb_intel_sdvo.c:279:2: error: call to undeclared >> function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 279 | DRM_DEBUG_KMS("i2c transfer returned %d\n", ret); | ^ >> drivers/gpu/drm/gma500/psb_intel_sdvo.c:433:2: error: call to undeclared >> function 'drm_WARN_ON'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 433 | drm_WARN_ON(dev, pos >= sizeof(buffer) - 1); | ^ drivers/gpu/drm/gma500/psb_intel_sdvo.c:436:2: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 436 | DRM_DEBUG_KMS("%s: W: %02X %s\n", SDVO_NAME(psb_intel_sdvo), cmd, buffer); | ^ >> drivers/gpu/drm/gma500/psb_intel_sdvo.c:459:3: error: call to undeclared >> function 'DRM_ERROR'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 459 | DRM_ERROR("Need to increase arg length\n"); | ^ drivers/gpu/drm/gma500/psb_intel_sdvo.c:494:3: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 494 | DRM_DEBUG_KMS("I2c transfer returned %d\n", ret); | ^ drivers/gpu/drm/gma500/psb_intel_sdvo.c:499:3: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 499 | DRM_DEBUG_KMS("I2c transfer returned %d/%d\n", ret, i+3); | ^ drivers/gpu/drm/gma500/psb_intel_sdvo.c:557:2: error: call to undeclared function 'drm_WARN_ON'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 557 | drm_WARN_ON(dev, pos >= sizeof(buffer) - 1); | ^ drivers/gpu/drm/gma500/psb_intel_sdvo.c:560:2: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 560 | DRM_DEBUG_KMS("%s: R: %s\n", SDVO_NAME(psb_intel_sdvo), buffer); | ^ >> drivers/gpu/drm/gma500/psb_intel_sdvo.c:888:2: error: call to undeclared >> function 'DRM_INFO'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 888 | DRM_INFO("HDMI is not supported yet"); | ^ >> drivers/gpu/drm/gma500/psb_intel_sdvo.c:1105:3: error: call to undeclared >> function 'DRM_DEBUG'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 1105 | DRM_DEBUG("DPMS_ON"); | ^ drivers/gpu/drm/gma500/psb_intel_sdvo.c:1150:4: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1150 | DRM_DEBUG_KMS("First %s output reported failure to " | ^ drivers/gpu/drm/gma500/psb_intel_sdvo.c:1194:2: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1194 | DRM_DEBUG_KMS("SDVO capabilities:\n" | ^ drivers/gpu/drm/gma500/psb_intel_sdvo.c:1328:2: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1328 | DRM_DEBUG_KMS("SDVO response %d %d [%x]\n", | ^ drivers/gpu/drm/gma500/psb_intel_sdvo.c:2170:3: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2170 | DRM_DEBUG_KMS("%s: Unknown SDVO output type (0x%02x%02x)\n", | ^ drivers/gpu/drm/gma500/psb_intel_sdvo.c:2285:3: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2285 | DRM_DEBUG_KMS("h_overscan: max %d, " | ^ drivers/gpu/drm/gma500/psb_intel_sdvo.c:2321:3: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2321 | DRM_DEBUG_KMS("v_overscan: max %d, " | ^ drivers/gpu/drm/gma500/psb_intel_sdvo.c:2326:2: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2326 | ENHANCEMENT(hpos, HPOS); | ^ drivers/gpu/drm/gma500/psb_intel_sdvo.c:2239:3: note: expanded from macro 'ENHANCEMENT' 2239 | DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \ | ^ drivers/gpu/drm/gma500/psb_intel_sdvo.c:2327:2: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2327 | ENHANCEMENT(vpos, VPOS); | ^ drivers/gpu/drm/gma500/psb_intel_sdvo.c:2239:3: note: expanded from macro 'ENHANCEMENT' 2239 | DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \ | ^ drivers/gpu/drm/gma500/psb_intel_sdvo.c:2328:2: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2328 | ENHANCEMENT(saturation, SATURATION); | ^ drivers/gpu/drm/gma500/psb_intel_sdvo.c:2239:3: note: expanded from macro 'ENHANCEMENT' 2239 | DRM_DEBUG_KMS(#name ": max %d, default %d, current %d\n", \ | ^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 20 errors generated. -- >> drivers/gpu/drm/gma500/cdv_intel_display.c:136:3: error: call to undeclared >> function 'DRM_ERROR'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 136 | DRM_ERROR("timeout waiting for SB to idle before read\n"); | ^ drivers/gpu/drm/gma500/cdv_intel_display.c:148:3: error: call to undeclared function 'DRM_ERROR'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 148 | DRM_ERROR("timeout waiting for SB to idle after read\n"); | ^ >> drivers/gpu/drm/gma500/cdv_intel_display.c:165:4: error: call to undeclared >> function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 165 | DRM_DEBUG_KMS("0x%08x: 0x%08x (before)\n", reg, temp); | ^ drivers/gpu/drm/gma500/cdv_intel_display.c:171:3: error: call to undeclared function 'DRM_ERROR'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 171 | DRM_ERROR("timeout waiting for SB to idle before write\n"); | ^ drivers/gpu/drm/gma500/cdv_intel_display.c:184:3: error: call to undeclared function 'DRM_ERROR'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 184 | DRM_ERROR("timeout waiting for SB to idle after write\n"); | ^ drivers/gpu/drm/gma500/cdv_intel_display.c:190:4: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 190 | DRM_DEBUG_KMS("0x%08x: 0x%08x (after)\n", reg, temp); | ^ drivers/gpu/drm/gma500/cdv_intel_display.c:258:3: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 258 | DRM_DEBUG_KMS("use DPLLA for pipe B\n"); | ^ drivers/gpu/drm/gma500/cdv_intel_display.c:261:3: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 261 | DRM_DEBUG_KMS("use their DPLL for pipe A/B\n"); | ^ drivers/gpu/drm/gma500/cdv_intel_display.c:327:3: error: call to undeclared function 'DRM_ERROR'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 327 | DRM_ERROR("Bad P2 clock: %d\n", clock->p2); | ^ drivers/gpu/drm/gma500/cdv_intel_display.c:619:4: error: call to undeclared function 'DRM_ERROR'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 619 | DRM_ERROR("invalid output type.\n"); | ^ drivers/gpu/drm/gma500/cdv_intel_display.c:650:3: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 650 | DRM_DEBUG_KMS("Use SSC reference clock %d Mhz\n", dev_priv->lvds_ssc_freq); | ^ drivers/gpu/drm/gma500/cdv_intel_display.c:660:3: error: call to undeclared function 'DRM_ERROR'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 660 | DRM_ERROR("Couldn't find PLL settings for mode! target: %d, actual: %d", | ^ drivers/gpu/drm/gma500/cdv_intel_display.c:764:2: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 764 | DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B'); | ^ 13 errors generated. -- >> drivers/gpu/drm/gma500/cdv_intel_dp.c:183:2: error: call to undeclared >> function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 183 | DRM_DEBUG_KMS("dp_aux_xfer return %d\n", ret); | ^ drivers/gpu/drm/gma500/cdv_intel_dp.c:383:3: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 383 | DRM_DEBUG_KMS("Skip VDD on because of panel on\n"); | ^ drivers/gpu/drm/gma500/cdv_intel_dp.c:386:2: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 386 | DRM_DEBUG_KMS("\n"); | ^ drivers/gpu/drm/gma500/cdv_intel_dp.c:401:2: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 401 | DRM_DEBUG_KMS("\n"); | ^ drivers/gpu/drm/gma500/cdv_intel_dp.c:420:2: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 420 | DRM_DEBUG_KMS("\n"); | ^ drivers/gpu/drm/gma500/cdv_intel_dp.c:444:2: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 444 | DRM_DEBUG_KMS("\n"); | ^ drivers/gpu/drm/gma500/cdv_intel_dp.c:475:2: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 475 | DRM_DEBUG_KMS("\n"); | ^ drivers/gpu/drm/gma500/cdv_intel_dp.c:496:2: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 496 | DRM_DEBUG_KMS("\n"); | ^ >> drivers/gpu/drm/gma500/cdv_intel_dp.c:594:3: error: call to undeclared >> function 'DRM_ERROR'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 594 | DRM_ERROR("dp_aux_ch not started status 0x%08x\n", | ^ drivers/gpu/drm/gma500/cdv_intel_dp.c:634:3: error: call to undeclared function 'DRM_ERROR'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 634 | DRM_ERROR("dp_aux_ch not done status 0x%08x\n", status); | ^ drivers/gpu/drm/gma500/cdv_intel_dp.c:642:3: error: call to undeclared function 'DRM_ERROR'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 642 | DRM_ERROR("dp_aux_ch receive error status 0x%08x\n", status); | ^ drivers/gpu/drm/gma500/cdv_intel_dp.c:649:3: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 649 | DRM_DEBUG_KMS("dp_aux_ch timeout status 0x%08x\n", status); | ^ drivers/gpu/drm/gma500/cdv_intel_dp.c:798:4: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 798 | DRM_DEBUG_KMS("aux_ch failed %d\n", ret); | ^ drivers/gpu/drm/gma500/cdv_intel_dp.c:809:4: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 809 | DRM_DEBUG_KMS("aux_ch native nack\n"); | ^ drivers/gpu/drm/gma500/cdv_intel_dp.c:815:4: error: call to undeclared function 'DRM_ERROR'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 815 | DRM_ERROR("aux_ch invalid native reply 0x%02x\n", | ^ drivers/gpu/drm/gma500/cdv_intel_dp.c:827:4: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 827 | DRM_DEBUG_KMS("aux_i2c nack\n"); | ^ drivers/gpu/drm/gma500/cdv_intel_dp.c:834:4: error: call to undeclared function 'DRM_ERROR'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 834 | DRM_ERROR("aux_i2c invalid reply 0x%02x\n", reply[0]); | ^ drivers/gpu/drm/gma500/cdv_intel_dp.c:839:2: error: call to undeclared function 'DRM_ERROR'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 839 | DRM_ERROR("too many retries, giving up\n"); | ^ drivers/gpu/drm/gma500/cdv_intel_dp.c:850:2: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 850 | DRM_DEBUG_KMS("i2c_init %s\n", name); | ^ fatal error: too many errors emitted, stopping now [-ferror-limit=] 20 errors generated. -- >> drivers/gpu/drm/gma500/psb_drv.c:283:4: error: call to undeclared function >> 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function >> declarations [-Wimplicit-function-declaration] 283 | DRM_DEBUG_KMS("Found aux vdc"); | ^ drivers/gpu/drm/gma500/psb_drv.c:287:4: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 287 | DRM_DEBUG_KMS("Couldn't find aux pci device"); | ^ drivers/gpu/drm/gma500/psb_drv.c:303:5: error: call to undeclared function 'DRM_DEBUG_KMS'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 303 | DRM_DEBUG_KMS("Found LPC GPIO at 0x%04x\n", | ^ 3 errors generated. .. vim +/DRM_DEBUG_KMS +174 drivers/gpu/drm/gma500/oaktrail_hdmi.c 1b082ccf5901108 Alan Cox 2011-11-03 163 39ec748f7174602 Alan Cox 2012-11-06 164 static unsigned int htotal_calculate(struct drm_display_mode *mode) 39ec748f7174602 Alan Cox 2012-11-06 165 { dfa703b6f91818f zhengbin 2019-11-15 166 u32 new_crtc_htotal; 39ec748f7174602 Alan Cox 2012-11-06 167 39ec748f7174602 Alan Cox 2012-11-06 168 /* 39ec748f7174602 Alan Cox 2012-11-06 169 * 1024 x 768 new_crtc_htotal = 0x1024; 39ec748f7174602 Alan Cox 2012-11-06 170 * 1280 x 1024 new_crtc_htotal = 0x0c34; 39ec748f7174602 Alan Cox 2012-11-06 171 */ 39ec748f7174602 Alan Cox 2012-11-06 172 new_crtc_htotal = (mode->crtc_htotal - 1) * 200 * 1000 / mode->clock; 39ec748f7174602 Alan Cox 2012-11-06 173 39ec748f7174602 Alan Cox 2012-11-06 @174 DRM_DEBUG_KMS("new crtc htotal 0x%4x\n", new_crtc_htotal); 39ec748f7174602 Alan Cox 2012-11-06 175 return (mode->crtc_hdisplay - 1) | (new_crtc_htotal << 16); 39ec748f7174602 Alan Cox 2012-11-06 176 } 39ec748f7174602 Alan Cox 2012-11-06 177 39ec748f7174602 Alan Cox 2012-11-06 178 static void oaktrail_hdmi_find_dpll(struct drm_crtc *crtc, int target, 39ec748f7174602 Alan Cox 2012-11-06 179 int refclk, struct oaktrail_hdmi_clock *best_clock) 39ec748f7174602 Alan Cox 2012-11-06 180 { 39ec748f7174602 Alan Cox 2012-11-06 181 int np_min, np_max, nr_min, nr_max; 39ec748f7174602 Alan Cox 2012-11-06 182 int np, nr, nf; 39ec748f7174602 Alan Cox 2012-11-06 183 39ec748f7174602 Alan Cox 2012-11-06 184 np_min = DIV_ROUND_UP(oaktrail_hdmi_limit.vco.min, target * 10); 39ec748f7174602 Alan Cox 2012-11-06 185 np_max = oaktrail_hdmi_limit.vco.max / (target * 10); 39ec748f7174602 Alan Cox 2012-11-06 186 if (np_min < oaktrail_hdmi_limit.np.min) 39ec748f7174602 Alan Cox 2012-11-06 187 np_min = oaktrail_hdmi_limit.np.min; 39ec748f7174602 Alan Cox 2012-11-06 188 if (np_max > oaktrail_hdmi_limit.np.max) 39ec748f7174602 Alan Cox 2012-11-06 189 np_max = oaktrail_hdmi_limit.np.max; 39ec748f7174602 Alan Cox 2012-11-06 190 39ec748f7174602 Alan Cox 2012-11-06 191 nr_min = DIV_ROUND_UP((refclk * 1000), (target * 10 * np_max)); 39ec748f7174602 Alan Cox 2012-11-06 192 nr_max = DIV_ROUND_UP((refclk * 1000), (target * 10 * np_min)); 39ec748f7174602 Alan Cox 2012-11-06 193 if (nr_min < oaktrail_hdmi_limit.nr.min) 39ec748f7174602 Alan Cox 2012-11-06 194 nr_min = oaktrail_hdmi_limit.nr.min; 39ec748f7174602 Alan Cox 2012-11-06 195 if (nr_max > oaktrail_hdmi_limit.nr.max) 39ec748f7174602 Alan Cox 2012-11-06 196 nr_max = oaktrail_hdmi_limit.nr.max; 39ec748f7174602 Alan Cox 2012-11-06 197 39ec748f7174602 Alan Cox 2012-11-06 198 np = DIV_ROUND_UP((refclk * 1000), (target * 10 * nr_max)); 39ec748f7174602 Alan Cox 2012-11-06 199 nr = DIV_ROUND_UP((refclk * 1000), (target * 10 * np)); 39ec748f7174602 Alan Cox 2012-11-06 200 nf = DIV_ROUND_CLOSEST((target * 10 * np * nr), refclk); 39ec748f7174602 Alan Cox 2012-11-06 201 DRM_DEBUG_KMS("np, nr, nf %d %d %d\n", np, nr, nf); 39ec748f7174602 Alan Cox 2012-11-06 202 39ec748f7174602 Alan Cox 2012-11-06 203 /* 39ec748f7174602 Alan Cox 2012-11-06 204 * 1024 x 768 np = 1; nr = 0x26; nf = 0x0fd8000; 39ec748f7174602 Alan Cox 2012-11-06 205 * 1280 x 1024 np = 1; nr = 0x17; nf = 0x1034000; 39ec748f7174602 Alan Cox 2012-11-06 206 */ 39ec748f7174602 Alan Cox 2012-11-06 207 best_clock->np = np; 39ec748f7174602 Alan Cox 2012-11-06 208 best_clock->nr = nr - 1; 39ec748f7174602 Alan Cox 2012-11-06 209 best_clock->nf = (nf << 14); 39ec748f7174602 Alan Cox 2012-11-06 210 } 39ec748f7174602 Alan Cox 2012-11-06 211 39ec748f7174602 Alan Cox 2012-11-06 212 static void scu_busy_loop(void __iomem *scu_base) 39ec748f7174602 Alan Cox 2012-11-06 213 { 39ec748f7174602 Alan Cox 2012-11-06 214 u32 status = 0; 39ec748f7174602 Alan Cox 2012-11-06 215 u32 loop_count = 0; 39ec748f7174602 Alan Cox 2012-11-06 216 39ec748f7174602 Alan Cox 2012-11-06 217 status = readl(scu_base + 0x04); 39ec748f7174602 Alan Cox 2012-11-06 218 while (status & 1) { 39ec748f7174602 Alan Cox 2012-11-06 219 udelay(1); /* scu processing time is in few u secods */ 39ec748f7174602 Alan Cox 2012-11-06 220 status = readl(scu_base + 0x04); 39ec748f7174602 Alan Cox 2012-11-06 221 loop_count++; 39ec748f7174602 Alan Cox 2012-11-06 222 /* break if scu doesn't reset busy bit after huge retry */ 39ec748f7174602 Alan Cox 2012-11-06 223 if (loop_count > 1000) { 39ec748f7174602 Alan Cox 2012-11-06 224 DRM_DEBUG_KMS("SCU IPC timed out"); 39ec748f7174602 Alan Cox 2012-11-06 225 return; 39ec748f7174602 Alan Cox 2012-11-06 226 } 39ec748f7174602 Alan Cox 2012-11-06 227 } 39ec748f7174602 Alan Cox 2012-11-06 228 } 39ec748f7174602 Alan Cox 2012-11-06 229 39ec748f7174602 Alan Cox 2012-11-06 230 /* 39ec748f7174602 Alan Cox 2012-11-06 231 * You don't want to know, you really really don't want to know.... 39ec748f7174602 Alan Cox 2012-11-06 232 * 39ec748f7174602 Alan Cox 2012-11-06 233 * This is magic. However it's safe magic because of the way the platform 39ec748f7174602 Alan Cox 2012-11-06 234 * works and it is necessary magic. 39ec748f7174602 Alan Cox 2012-11-06 235 */ 39ec748f7174602 Alan Cox 2012-11-06 236 static void oaktrail_hdmi_reset(struct drm_device *dev) 39ec748f7174602 Alan Cox 2012-11-06 237 { 39ec748f7174602 Alan Cox 2012-11-06 238 void __iomem *base; 39ec748f7174602 Alan Cox 2012-11-06 239 unsigned long scu_ipc_mmio = 0xff11c000UL; 39ec748f7174602 Alan Cox 2012-11-06 240 int scu_len = 1024; 39ec748f7174602 Alan Cox 2012-11-06 241 39ec748f7174602 Alan Cox 2012-11-06 242 base = ioremap((resource_size_t)scu_ipc_mmio, scu_len); 39ec748f7174602 Alan Cox 2012-11-06 243 if (base == NULL) { 39ec748f7174602 Alan Cox 2012-11-06 @244 DRM_ERROR("failed to map scu mmio\n"); 39ec748f7174602 Alan Cox 2012-11-06 245 return; 39ec748f7174602 Alan Cox 2012-11-06 246 } 39ec748f7174602 Alan Cox 2012-11-06 247 39ec748f7174602 Alan Cox 2012-11-06 248 /* scu ipc: assert hdmi controller reset */ 39ec748f7174602 Alan Cox 2012-11-06 249 writel(0xff11d118, base + 0x0c); 39ec748f7174602 Alan Cox 2012-11-06 250 writel(0x7fffffdf, base + 0x80); 39ec748f7174602 Alan Cox 2012-11-06 251 writel(0x42005, base + 0x0); 39ec748f7174602 Alan Cox 2012-11-06 252 scu_busy_loop(base); 39ec748f7174602 Alan Cox 2012-11-06 253 39ec748f7174602 Alan Cox 2012-11-06 254 /* scu ipc: de-assert hdmi controller reset */ 39ec748f7174602 Alan Cox 2012-11-06 255 writel(0xff11d118, base + 0x0c); 39ec748f7174602 Alan Cox 2012-11-06 256 writel(0x7fffffff, base + 0x80); 39ec748f7174602 Alan Cox 2012-11-06 257 writel(0x42005, base + 0x0); 39ec748f7174602 Alan Cox 2012-11-06 258 scu_busy_loop(base); 39ec748f7174602 Alan Cox 2012-11-06 259 39ec748f7174602 Alan Cox 2012-11-06 260 iounmap(base); 39ec748f7174602 Alan Cox 2012-11-06 261 } 39ec748f7174602 Alan Cox 2012-11-06 262 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
