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Date: Sun, 28 Jan 2024 03:01:06 +0800
From: kernel test robot <lkp@...el.com>
To: Perry Yuan <perry.yuan@....com>, rafael.j.wysocki@...el.com,
Mario.Limonciello@....com, viresh.kumar@...aro.org,
Ray.Huang@....com, gautham.shenoy@....com, Borislav.Petkov@....com
Cc: oe-kbuild-all@...ts.linux.dev, Alexander.Deucher@....com,
Xinmei.Huang@....com, Xiaojian.Du@....com, Li.Meng@....com,
linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/7] cpufreq: amd-pstate: initialize new core precision
boost state
Hi Perry,
kernel test robot noticed the following build errors:
[auto build test ERROR on rafael-pm/acpi-bus]
[also build test ERROR on v6.8-rc1 next-20240125]
[cannot apply to rafael-pm/linux-next linus/master rafael-pm/devprop]
[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/Perry-Yuan/cpufreq-amd-pstate-remove-set_boost-callback-for-passive-mode/20240126-171412
base: https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git acpi-bus
patch link: https://lore.kernel.org/r/0409d40c500eeb8d4d84ecb028b73f2eee147822.1706255676.git.perry.yuan%40amd.com
patch subject: [PATCH 2/7] cpufreq: amd-pstate: initialize new core precision boost state
config: i386-randconfig-141-20240127 (https://download.01.org/0day-ci/archive/20240128/202401280215.WvGTuIEq-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240128/202401280215.WvGTuIEq-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/202401280215.WvGTuIEq-lkp@intel.com/
All errors (new ones prefixed by >>):
drivers/cpufreq/amd-pstate-ut.c: In function 'amd_pstate_ut_check_freq':
>> drivers/cpufreq/amd-pstate-ut.c:229:28: error: 'struct amd_cpudata' has no member named 'boost_supported'
229 | if (cpudata->boost_supported) {
| ^~
In file included from drivers/cpufreq/amd-pstate-ut.c:29:
include/linux/amd-pstate.h: At top level:
include/linux/amd-pstate.h:104:27: warning: 'amd_pstate_mode_string' defined but not used [-Wunused-const-variable=]
104 | static const char * const amd_pstate_mode_string[] = {
| ^~~~~~~~~~~~~~~~~~~~~~
vim +229 drivers/cpufreq/amd-pstate-ut.c
14eb1c96e3a3fd Meng Li 2022-08-17 193
14eb1c96e3a3fd Meng Li 2022-08-17 194 /*
14eb1c96e3a3fd Meng Li 2022-08-17 195 * Check if frequency values are reasonable.
14eb1c96e3a3fd Meng Li 2022-08-17 196 * max_freq >= nominal_freq > lowest_nonlinear_freq > min_freq > 0
14eb1c96e3a3fd Meng Li 2022-08-17 197 * check max freq when set support boost mode.
14eb1c96e3a3fd Meng Li 2022-08-17 198 */
14eb1c96e3a3fd Meng Li 2022-08-17 199 static void amd_pstate_ut_check_freq(u32 index)
14eb1c96e3a3fd Meng Li 2022-08-17 200 {
14eb1c96e3a3fd Meng Li 2022-08-17 201 int cpu = 0;
14eb1c96e3a3fd Meng Li 2022-08-17 202 struct cpufreq_policy *policy = NULL;
14eb1c96e3a3fd Meng Li 2022-08-17 203 struct amd_cpudata *cpudata = NULL;
14eb1c96e3a3fd Meng Li 2022-08-17 204
14eb1c96e3a3fd Meng Li 2022-08-17 205 for_each_possible_cpu(cpu) {
14eb1c96e3a3fd Meng Li 2022-08-17 206 policy = cpufreq_cpu_get(cpu);
14eb1c96e3a3fd Meng Li 2022-08-17 207 if (!policy)
14eb1c96e3a3fd Meng Li 2022-08-17 208 break;
14eb1c96e3a3fd Meng Li 2022-08-17 209 cpudata = policy->driver_data;
14eb1c96e3a3fd Meng Li 2022-08-17 210
14eb1c96e3a3fd Meng Li 2022-08-17 211 if (!((cpudata->max_freq >= cpudata->nominal_freq) &&
14eb1c96e3a3fd Meng Li 2022-08-17 212 (cpudata->nominal_freq > cpudata->lowest_nonlinear_freq) &&
14eb1c96e3a3fd Meng Li 2022-08-17 213 (cpudata->lowest_nonlinear_freq > cpudata->min_freq) &&
14eb1c96e3a3fd Meng Li 2022-08-17 214 (cpudata->min_freq > 0))) {
14eb1c96e3a3fd Meng Li 2022-08-17 215 amd_pstate_ut_cases[index].result = AMD_PSTATE_UT_RESULT_FAIL;
14eb1c96e3a3fd Meng Li 2022-08-17 216 pr_err("%s cpu%d max=%d >= nominal=%d > lowest_nonlinear=%d > min=%d > 0, the formula is incorrect!\n",
14eb1c96e3a3fd Meng Li 2022-08-17 217 __func__, cpu, cpudata->max_freq, cpudata->nominal_freq,
14eb1c96e3a3fd Meng Li 2022-08-17 218 cpudata->lowest_nonlinear_freq, cpudata->min_freq);
60dd283804479c Swapnil Sapkal 2023-08-18 219 goto skip_test;
14eb1c96e3a3fd Meng Li 2022-08-17 220 }
14eb1c96e3a3fd Meng Li 2022-08-17 221
14eb1c96e3a3fd Meng Li 2022-08-17 222 if (cpudata->min_freq != policy->min) {
14eb1c96e3a3fd Meng Li 2022-08-17 223 amd_pstate_ut_cases[index].result = AMD_PSTATE_UT_RESULT_FAIL;
14eb1c96e3a3fd Meng Li 2022-08-17 224 pr_err("%s cpu%d cpudata_min_freq=%d policy_min=%d, they should be equal!\n",
14eb1c96e3a3fd Meng Li 2022-08-17 225 __func__, cpu, cpudata->min_freq, policy->min);
60dd283804479c Swapnil Sapkal 2023-08-18 226 goto skip_test;
14eb1c96e3a3fd Meng Li 2022-08-17 227 }
14eb1c96e3a3fd Meng Li 2022-08-17 228
14eb1c96e3a3fd Meng Li 2022-08-17 @229 if (cpudata->boost_supported) {
14eb1c96e3a3fd Meng Li 2022-08-17 230 if ((policy->max == cpudata->max_freq) ||
14eb1c96e3a3fd Meng Li 2022-08-17 231 (policy->max == cpudata->nominal_freq))
14eb1c96e3a3fd Meng Li 2022-08-17 232 amd_pstate_ut_cases[index].result = AMD_PSTATE_UT_RESULT_PASS;
14eb1c96e3a3fd Meng Li 2022-08-17 233 else {
14eb1c96e3a3fd Meng Li 2022-08-17 234 amd_pstate_ut_cases[index].result = AMD_PSTATE_UT_RESULT_FAIL;
14eb1c96e3a3fd Meng Li 2022-08-17 235 pr_err("%s cpu%d policy_max=%d should be equal cpu_max=%d or cpu_nominal=%d !\n",
14eb1c96e3a3fd Meng Li 2022-08-17 236 __func__, cpu, policy->max, cpudata->max_freq,
14eb1c96e3a3fd Meng Li 2022-08-17 237 cpudata->nominal_freq);
60dd283804479c Swapnil Sapkal 2023-08-18 238 goto skip_test;
14eb1c96e3a3fd Meng Li 2022-08-17 239 }
14eb1c96e3a3fd Meng Li 2022-08-17 240 } else {
14eb1c96e3a3fd Meng Li 2022-08-17 241 amd_pstate_ut_cases[index].result = AMD_PSTATE_UT_RESULT_FAIL;
14eb1c96e3a3fd Meng Li 2022-08-17 242 pr_err("%s cpu%d must support boost!\n", __func__, cpu);
60dd283804479c Swapnil Sapkal 2023-08-18 243 goto skip_test;
14eb1c96e3a3fd Meng Li 2022-08-17 244 }
60dd283804479c Swapnil Sapkal 2023-08-18 245 cpufreq_cpu_put(policy);
14eb1c96e3a3fd Meng Li 2022-08-17 246 }
14eb1c96e3a3fd Meng Li 2022-08-17 247
14eb1c96e3a3fd Meng Li 2022-08-17 248 amd_pstate_ut_cases[index].result = AMD_PSTATE_UT_RESULT_PASS;
60dd283804479c Swapnil Sapkal 2023-08-18 249 return;
60dd283804479c Swapnil Sapkal 2023-08-18 250 skip_test:
60dd283804479c Swapnil Sapkal 2023-08-18 251 cpufreq_cpu_put(policy);
14eb1c96e3a3fd Meng Li 2022-08-17 252 }
14eb1c96e3a3fd Meng Li 2022-08-17 253
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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