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Message-ID: <202601232007.NAxTeBna-lkp@intel.com>
Date: Fri, 23 Jan 2026 20:26:09 +0800
From: kernel test robot <lkp@...el.com>
To: Hamza Mahfooz <someguy@...ective-light.com>,
dri-devel@...ts.freedesktop.org
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
Hamza Mahfooz <someguy@...ective-light.com>,
Alex Deucher <alexander.deucher@....com>,
Christian König <christian.koenig@....com>,
David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
Harry Wentland <harry.wentland@....com>,
Leo Li <sunpeng.li@....com>, Rodrigo Siqueira <siqueira@...lia.com>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
Sunil Khatri <sunil.khatri@....com>,
Lijo Lazar <lijo.lazar@....com>, Ce Sun <cesun102@....com>,
Ivan Lipski <ivan.lipski@....com>,
Kenneth Feng <kenneth.feng@....com>, Alex Hung <alex.hung@....com>,
Tom Chung <chiahsuan.chung@....com>, Melissa Wen <mwen@...lia.com>,
Michel Dänzer <mdaenzer@...hat.com>,
Fangzhi Zuo <Jerry.Zuo@....com>,
Timur Kristóf <timur.kristof@...il.com>,
amd-gfx@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] drm/amdgpu: implement page_flip_timeout() support
Hi Hamza,
kernel test robot noticed the following build warnings:
[auto build test WARNING on drm-misc/drm-misc-next]
[also build test WARNING on drm/drm-next drm-i915/for-linux-next drm-i915/for-linux-next-fixes drm-tip/drm-tip linus/master v6.19-rc6 next-20260122]
[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/Hamza-Mahfooz/drm-amdgpu-implement-page_flip_timeout-support/20260123-085944
base: https://gitlab.freedesktop.org/drm/misc/kernel.git drm-misc-next
patch link: https://lore.kernel.org/r/20260123000537.2450496-2-someguy%40effective-light.com
patch subject: [PATCH 2/2] drm/amdgpu: implement page_flip_timeout() support
config: loongarch-defconfig (https://download.01.org/0day-ci/archive/20260123/202601232007.NAxTeBna-lkp@intel.com/config)
compiler: clang version 19.1.7 (https://github.com/llvm/llvm-project cd708029e0b2869e80abe31ddb175f7c35361f90)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260123/202601232007.NAxTeBna-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601232007.NAxTeBna-lkp@intel.com/
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c:348:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]
348 | default:
| ^
drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c:348:2: note: insert '__attribute__((fallthrough));' to silence this warning
348 | default:
| ^
| __attribute__((fallthrough));
drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c:348:2: note: insert 'break;' to avoid fall-through
348 | default:
| ^
| break;
1 warning generated.
vim +348 drivers/gpu/drm/amd/amdgpu/amdgpu_reset.c
2656e1ce783a90 Eric Huang 2024-06-03 315
2656e1ce783a90 Eric Huang 2024-06-03 316 void amdgpu_reset_get_desc(struct amdgpu_reset_context *rst_ctxt, char *buf,
2656e1ce783a90 Eric Huang 2024-06-03 317 size_t len)
2656e1ce783a90 Eric Huang 2024-06-03 318 {
2656e1ce783a90 Eric Huang 2024-06-03 319 if (!buf || !len)
2656e1ce783a90 Eric Huang 2024-06-03 320 return;
2656e1ce783a90 Eric Huang 2024-06-03 321
2656e1ce783a90 Eric Huang 2024-06-03 322 switch (rst_ctxt->src) {
2656e1ce783a90 Eric Huang 2024-06-03 323 case AMDGPU_RESET_SRC_JOB:
2656e1ce783a90 Eric Huang 2024-06-03 324 if (rst_ctxt->job) {
7bed1df814cd61 Eric Huang 2024-06-06 325 snprintf(buf, len, "job hang on ring:%s",
7bed1df814cd61 Eric Huang 2024-06-06 326 rst_ctxt->job->base.sched->name);
2656e1ce783a90 Eric Huang 2024-06-03 327 } else {
2656e1ce783a90 Eric Huang 2024-06-03 328 strscpy(buf, "job hang", len);
2656e1ce783a90 Eric Huang 2024-06-03 329 }
2656e1ce783a90 Eric Huang 2024-06-03 330 break;
2656e1ce783a90 Eric Huang 2024-06-03 331 case AMDGPU_RESET_SRC_RAS:
2656e1ce783a90 Eric Huang 2024-06-03 332 strscpy(buf, "RAS error", len);
2656e1ce783a90 Eric Huang 2024-06-03 333 break;
2656e1ce783a90 Eric Huang 2024-06-03 334 case AMDGPU_RESET_SRC_MES:
2656e1ce783a90 Eric Huang 2024-06-03 335 strscpy(buf, "MES hang", len);
2656e1ce783a90 Eric Huang 2024-06-03 336 break;
2656e1ce783a90 Eric Huang 2024-06-03 337 case AMDGPU_RESET_SRC_HWS:
2656e1ce783a90 Eric Huang 2024-06-03 338 strscpy(buf, "HWS hang", len);
2656e1ce783a90 Eric Huang 2024-06-03 339 break;
2656e1ce783a90 Eric Huang 2024-06-03 340 case AMDGPU_RESET_SRC_USER:
2656e1ce783a90 Eric Huang 2024-06-03 341 strscpy(buf, "user trigger", len);
2656e1ce783a90 Eric Huang 2024-06-03 342 break;
c5da9e9c023893 Alex Deucher 2025-04-16 343 case AMDGPU_RESET_SRC_USERQ:
c5da9e9c023893 Alex Deucher 2025-04-16 344 strscpy(buf, "user queue trigger", len);
c5da9e9c023893 Alex Deucher 2025-04-16 345 break;
7136aabf196b0a Hamza Mahfooz 2026-01-22 346 case AMDGPU_RESET_SRC_DISPLAY:
7136aabf196b0a Hamza Mahfooz 2026-01-22 347 strscpy(buf, "display hang", len);
2656e1ce783a90 Eric Huang 2024-06-03 @348 default:
2656e1ce783a90 Eric Huang 2024-06-03 349 strscpy(buf, "unknown", len);
2656e1ce783a90 Eric Huang 2024-06-03 350 }
2656e1ce783a90 Eric Huang 2024-06-03 351 }
a86e0c0e94373a Lijo Lazar 2024-11-15 352
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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