From: kernel test robot <lkp@intel.com>
To: Jani Nikula <jani.nikula@intel.com>,
dri-devel@lists.freedesktop.org,
maarten.lankhorst@linux.intel.com,
Maxime Ripard <mripard@kernel.org>,
Thomas Zimmermann <tzimmermann@suse.de>,
David Airlie <airlied@redhat.com>,
simona.vetter@ffwll.ch
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
jani.nikula@intel.com, intel-gfx@lists.freedesktop.org,
intel-xe@lists.freedesktop.org
Subject: Re: [PATCH 1/3] drm/mm: replace drm_print.h include with a forward declaration
Date: Wed, 22 Oct 2025 03:16:14 +0800 [thread overview]
Message-ID: <202510220227.QAJxjxfr-lkp@intel.com> (raw)
In-Reply-To: <05a996d685afb1facfdd5aef1eab1680fa5eb0a0.1761063757.git.jani.nikula@intel.com>
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/20251022/202510220227.QAJxjxfr-lkp@intel.com/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/20251022/202510220227.QAJxjxfr-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202510220227.QAJxjxfr-lkp@intel.com/
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
next prev parent reply other threads:[~2025-10-21 19:17 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-21 16:29 [PATCH 0/3] drm: replace drm_print.h includes from headers with a forward declaration Jani Nikula
2025-10-21 16:29 ` [PATCH 1/3] drm/mm: replace drm_print.h include " Jani Nikula
2025-10-21 19:16 ` kernel test robot [this message]
2025-10-21 19:59 ` kernel test robot
2025-10-21 16:29 ` [PATCH 2/3] drm/buddy: " Jani Nikula
2025-10-21 16:29 ` [PATCH 3/3] drm/ttm: " Jani Nikula
2025-10-21 20:10 ` kernel test robot
2025-10-21 16:53 ` ✗ CI.checkpatch: warning for drm: replace drm_print.h includes from headers " Patchwork
2025-10-21 16:55 ` ✗ CI.KUnit: failure " Patchwork
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