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Sat, 23 Apr 2022 05:07:45 +0000 Date: Sat, 23 Apr 2022 13:07:21 +0800 From: kernel test robot To: Evan Quan Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org, Alex Deucher , Lijo Lazar Subject: drivers/gpu/drm/amd/amdgpu/../pm/legacy-dpm/kv_dpm.c:1641 kv_get_acp_boot_level() warn: always true condition '(table->entries[i]->clk >= 0) => (0-u32max >= 0)' Message-ID: <202204231316.BkRCaafM-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: c00c5e1d157bec0ef0b0b59aa5482eb8dc7e8e49 commit: 837d542a09cd533055423dfca7e621a9c1d13c5b drm/amd/pm: relocate the power related headers date: 3 months ago config: xtensa-randconfig-m031-20220422 (https://download.01.org/0day-ci/archive/20220423/202204231316.BkRCaafM-lkp@intel.com/config) compiler: xtensa-linux-gcc (GCC) 11.2.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot smatch warnings: drivers/gpu/drm/amd/amdgpu/../pm/legacy-dpm/kv_dpm.c:1641 kv_get_acp_boot_level() warn: always true condition '(table->entries[i]->clk >= 0) => (0-u32max >= 0)' vim +1641 drivers/gpu/drm/amd/amdgpu/../pm/legacy-dpm/kv_dpm.c a2e73f56fa6282 drivers/gpu/drm/amd/amdgpu/kv_dpm.c Alex Deucher 2015-04-20 1633 a2e73f56fa6282 drivers/gpu/drm/amd/amdgpu/kv_dpm.c Alex Deucher 2015-04-20 1634 static u8 kv_get_acp_boot_level(struct amdgpu_device *adev) a2e73f56fa6282 drivers/gpu/drm/amd/amdgpu/kv_dpm.c Alex Deucher 2015-04-20 1635 { a2e73f56fa6282 drivers/gpu/drm/amd/amdgpu/kv_dpm.c Alex Deucher 2015-04-20 1636 u8 i; a2e73f56fa6282 drivers/gpu/drm/amd/amdgpu/kv_dpm.c Alex Deucher 2015-04-20 1637 struct amdgpu_clock_voltage_dependency_table *table = a2e73f56fa6282 drivers/gpu/drm/amd/amdgpu/kv_dpm.c Alex Deucher 2015-04-20 1638 &adev->pm.dpm.dyn_state.acp_clock_voltage_dependency_table; a2e73f56fa6282 drivers/gpu/drm/amd/amdgpu/kv_dpm.c Alex Deucher 2015-04-20 1639 a2e73f56fa6282 drivers/gpu/drm/amd/amdgpu/kv_dpm.c Alex Deucher 2015-04-20 1640 for (i = 0; i < table->count; i++) { a2e73f56fa6282 drivers/gpu/drm/amd/amdgpu/kv_dpm.c Alex Deucher 2015-04-20 @1641 if (table->entries[i].clk >= 0) /* XXX */ a2e73f56fa6282 drivers/gpu/drm/amd/amdgpu/kv_dpm.c Alex Deucher 2015-04-20 1642 break; a2e73f56fa6282 drivers/gpu/drm/amd/amdgpu/kv_dpm.c Alex Deucher 2015-04-20 1643 } a2e73f56fa6282 drivers/gpu/drm/amd/amdgpu/kv_dpm.c Alex Deucher 2015-04-20 1644 a2e73f56fa6282 drivers/gpu/drm/amd/amdgpu/kv_dpm.c Alex Deucher 2015-04-20 1645 if (i >= table->count) a2e73f56fa6282 drivers/gpu/drm/amd/amdgpu/kv_dpm.c Alex Deucher 2015-04-20 1646 i = table->count - 1; a2e73f56fa6282 drivers/gpu/drm/amd/amdgpu/kv_dpm.c Alex Deucher 2015-04-20 1647 a2e73f56fa6282 drivers/gpu/drm/amd/amdgpu/kv_dpm.c Alex Deucher 2015-04-20 1648 return i; a2e73f56fa6282 drivers/gpu/drm/amd/amdgpu/kv_dpm.c Alex Deucher 2015-04-20 1649 } a2e73f56fa6282 drivers/gpu/drm/amd/amdgpu/kv_dpm.c Alex Deucher 2015-04-20 1650 :::::: The code at line 1641 was first introduced by commit :::::: a2e73f56fa6282481927ec43aa9362c03c2e2104 drm/amdgpu: Add support for CIK parts :::::: TO: Alex Deucher :::::: CC: Alex Deucher -- 0-DAY CI Kernel Test Service https://01.org/lkp