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)'
From: kernel test robot
Date: Sat Apr 23 2022 - 01:07:55 EST
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@xxxxxxxxx/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 <lkp@xxxxxxxxx>
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 <alexander.deucher@xxxxxxx>
:::::: CC: Alex Deucher <alexander.deucher@xxxxxxx>
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