From: kernel test robot <lkp@intel.com>
To: Alex Deucher <alexander.deucher@amd.com>
Cc: clang-built-linux@googlegroups.com, kbuild-all@lists.01.org,
linux-kernel@vger.kernel.org, Dave Airlie <airlied@redhat.com>
Subject: drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/processpptables.c:841:6: warning: performing pointer subtraction with a null pointer has undefined behavior
Date: Wed, 21 Jul 2021 14:53:19 +0800 [thread overview]
Message-ID: <202107211406.rfN2m4j6-lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 34540 bytes --]
Hi Dave,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 8cae8cd89f05f6de223d63e6d15e31c8ba9cf53b
commit: 0c8d22fcae2f9590a07b000e1724f665820b77f7 Merge tag 'amd-drm-next-5.10-2020-09-03' of git://people.freedesktop.org/~agd5f/linux into drm-next
date: 11 months ago
config: powerpc64-randconfig-r012-20210720 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project c781eb153bfbd1b52b03efe34f56bbeccbb8aba6)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install powerpc64 cross compiling tool for clang build
# apt-get install binutils-powerpc64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0c8d22fcae2f9590a07b000e1724f665820b77f7
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 0c8d22fcae2f9590a07b000e1724f665820b77f7
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/processpptables.c:23:
In file included from drivers/gpu/drm/amd/amdgpu/../pm/inc/pp_debug.h:34:
In file included from include/linux/kernel.h:12:
In file included from include/linux/bitops.h:29:
In file included from arch/powerpc/include/asm/bitops.h:62:
arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined]
#define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
^
<built-in>:310:9: note: previous definition is here
#define __lwsync __builtin_ppc_lwsync
^
>> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/processpptables.c:841:6: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(DATA, PowerPlayInfo),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/processpptables.c:1089:5: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(DATA, FirmwareInfo),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
3 warnings generated.
--
In file included from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu8_hwmgr.c:23:
In file included from drivers/gpu/drm/amd/amdgpu/../pm/inc/pp_debug.h:34:
In file included from include/linux/kernel.h:12:
In file included from include/linux/bitops.h:29:
In file included from arch/powerpc/include/asm/bitops.h:62:
arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined]
#define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
^
<built-in>:310:9: note: previous definition is here
#define __lwsync __builtin_ppc_lwsync
^
>> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu8_hwmgr.c:319:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(DATA, IntegratedSystemInfo),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu8_hwmgr.c:2044:5: warning: no previous prototype for function 'smu8_init_function_pointers' [-Wmissing-prototypes]
int smu8_init_function_pointers(struct pp_hwmgr *hwmgr)
^
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu8_hwmgr.c:2044:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int smu8_init_function_pointers(struct pp_hwmgr *hwmgr)
^
static
3 warnings generated.
--
In file included from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/process_pptables_v1_0.c:23:
In file included from drivers/gpu/drm/amd/amdgpu/../pm/inc/pp_debug.h:34:
In file included from include/linux/kernel.h:12:
In file included from include/linux/bitops.h:29:
In file included from arch/powerpc/include/asm/bitops.h:62:
arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined]
#define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
^
<built-in>:310:9: note: previous definition is here
#define __lwsync __builtin_ppc_lwsync
^
>> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/process_pptables_v1_0.c:136:14: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
2 warnings generated.
--
In file included from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:23:
In file included from drivers/gpu/drm/amd/amdgpu/../pm/inc/pp_debug.h:34:
In file included from include/linux/kernel.h:12:
In file included from include/linux/bitops.h:29:
In file included from arch/powerpc/include/asm/bitops.h:62:
arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined]
#define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
^
<built-in>:310:9: note: previous definition is here
#define __lwsync __builtin_ppc_lwsync
^
In file included from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:31:
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppevvmath.h:336:7: warning: variable 'X_LessThanOne' set but not used [-Wunused-but-set-variable]
bool X_LessThanOne, Y_LessThanOne;
^
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppevvmath.h:336:22: warning: variable 'Y_LessThanOne' set but not used [-Wunused-but-set-variable]
bool X_LessThanOne, Y_LessThanOne;
^
>> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:145:5: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(DATA, VRAM_Info), &size, &frev, &crev);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:191:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, DynamicMemorySettings),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:203:14: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:261:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, ComputeMemoryClockParam),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:308:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, ComputeMemoryClockParam),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:329:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, ComputeMemoryClockParam),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:359:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, ComputeMemoryEnginePLL),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:383:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, ComputeMemoryEnginePLL),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:420:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, ComputeMemoryEnginePLL),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:453:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, ComputeMemoryEnginePLL),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:490:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(DATA, FirmwareInfo),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:610:5: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(DATA, GPIO_Pin_LUT),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:678:6: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(DATA, ASIC_ProfilingInfo),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:744:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, ReadEfuseValue),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:765:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, ReadEfuseValue),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:785:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, ReadEfuseValue),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:806:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, ReadEfuseValue),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
--
In file included from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.c:24:
In file included from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.h:27:
In file included from drivers/gpu/drm/amd/amdgpu/../pm/inc/hwmgr.h:26:
In file included from include/linux/seq_file.h:7:
In file included from include/linux/bug.h:5:
In file included from arch/powerpc/include/asm/bug.h:109:
In file included from include/asm-generic/bug.h:20:
In file included from include/linux/kernel.h:12:
In file included from include/linux/bitops.h:29:
In file included from arch/powerpc/include/asm/bitops.h:62:
arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined]
#define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
^
<built-in>:310:9: note: previous definition is here
#define __lwsync __builtin_ppc_lwsync
^
>> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.c:60:8: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
idx = GetIndexIntoMasterDataTable(voltageobject_info);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.h:34:74: note: expanded from macro 'GetIndexIntoMasterDataTable'
(((char*)(&((struct atom_master_list_of_data_tables_v2_1*)0)->FieldName)-(char*)0)/sizeof(uint16_t))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.c:168:8: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
idx = GetIndexIntoMasterDataTable(gpio_pin_lut);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.h:34:74: note: expanded from macro 'GetIndexIntoMasterDataTable'
(((char*)(&((struct atom_master_list_of_data_tables_v2_1*)0)->FieldName)-(char*)0)/sizeof(uint16_t))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.c:258:8: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
idx = GetIndexIntoMasterCmdTable(computegpuclockparam);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.h:32:80: note: expanded from macro 'GetIndexIntoMasterCmdTable'
(((char*)(&((struct atom_master_list_of_command_functions_v2_1*)0)->FieldName)-(char*)0)/sizeof(uint16_t))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.c:285:8: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
idx = GetIndexIntoMasterDataTable(asic_profiling_info);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.h:34:74: note: expanded from macro 'GetIndexIntoMasterDataTable'
(((char*)(&((struct atom_master_list_of_data_tables_v2_1*)0)->FieldName)-(char*)0)/sizeof(uint16_t))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.c:469:8: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
idx = GetIndexIntoMasterDataTable(smu_info);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.h:34:74: note: expanded from macro 'GetIndexIntoMasterDataTable'
(((char*)(&((struct atom_master_list_of_data_tables_v2_1*)0)->FieldName)-(char*)0)/sizeof(uint16_t))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.c:505:7: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
ix = GetIndexIntoMasterCmdTable(getsmuclockinfo);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.h:32:80: note: expanded from macro 'GetIndexIntoMasterCmdTable'
(((char*)(&((struct atom_master_list_of_command_functions_v2_1*)0)->FieldName)-(char*)0)/sizeof(uint16_t))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.c:594:7: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
ix = GetIndexIntoMasterDataTable(firmwareinfo);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.h:34:74: note: expanded from macro 'GetIndexIntoMasterDataTable'
(((char*)(&((struct atom_master_list_of_data_tables_v2_1*)0)->FieldName)-(char*)0)/sizeof(uint16_t))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.c:626:7: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
ix = GetIndexIntoMasterDataTable(smc_dpm_info);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.h:34:74: note: expanded from macro 'GetIndexIntoMasterDataTable'
(((char*)(&((struct atom_master_list_of_data_tables_v2_1*)0)->FieldName)-(char*)0)/sizeof(uint16_t))
^~~~~~~~~
9 warnings generated.
--
In file included from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:23:
In file included from drivers/gpu/drm/amd/amdgpu/../pm/inc/pp_debug.h:34:
In file included from include/linux/kernel.h:12:
In file included from include/linux/bitops.h:29:
In file included from arch/powerpc/include/asm/bitops.h:62:
arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined]
#define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
^
<built-in>:310:9: note: previous definition is here
#define __lwsync __builtin_ppc_lwsync
^
>> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:3075:14: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:5207:5: warning: no previous prototype for function 'smu7_init_function_pointers' [-Wmissing-prototypes]
int smu7_init_function_pointers(struct pp_hwmgr *hwmgr)
^
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:5207:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int smu7_init_function_pointers(struct pp_hwmgr *hwmgr)
^
static
3 warnings generated.
--
In file included from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:23:
In file included from include/linux/module.h:12:
In file included from include/linux/list.h:9:
In file included from include/linux/kernel.h:12:
In file included from include/linux/bitops.h:29:
In file included from arch/powerpc/include/asm/bitops.h:62:
arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined]
#define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
^
<built-in>:310:9: note: previous definition is here
#define __lwsync __builtin_ppc_lwsync
^
>> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:49:14: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
int index = GetIndexIntoMasterDataTable(powerplayinfo);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.h:34:74: note: expanded from macro 'GetIndexIntoMasterDataTable'
(((char*)(&((struct atom_master_list_of_data_tables_v2_1*)0)->FieldName)-(char*)0)/sizeof(uint16_t))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:1182:5: warning: no previous prototype for function 'vega10_pp_tables_initialize' [-Wmissing-prototypes]
int vega10_pp_tables_initialize(struct pp_hwmgr *hwmgr)
^
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:1182:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int vega10_pp_tables_initialize(struct pp_hwmgr *hwmgr)
^
static
3 warnings generated.
..
vim +841 drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/processpptables.c
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 826
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 827 static const ATOM_PPLIB_POWERPLAYTABLE *get_powerplay_table(
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 828 struct pp_hwmgr *hwmgr)
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 829 {
cf17039f489d3d drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Eric Huang 2016-05-31 830 const void *table_addr = hwmgr->soft_pp_table;
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 831 uint8_t frev, crev;
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 832 uint16_t size;
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 833
cf17039f489d3d drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Eric Huang 2016-05-31 834 if (!table_addr) {
741deade2a704a drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Alex Deucher 2018-09-13 835 if (hwmgr->chip_id == CHIP_RAVEN) {
3b4ca9e6494d19 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Rex Zhu 2017-08-24 836 table_addr = &soft_dummy_pp_table[0];
3b4ca9e6494d19 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Rex Zhu 2017-08-24 837 hwmgr->soft_pp_table = &soft_dummy_pp_table[0];
3b4ca9e6494d19 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Rex Zhu 2017-08-24 838 hwmgr->soft_pp_table_size = sizeof(soft_dummy_pp_table);
3b4ca9e6494d19 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Rex Zhu 2017-08-24 839 } else {
b3892e2bb519fe drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Rex Zhu 2018-03-26 840 table_addr = smu_atom_get_data_table(hwmgr->adev,
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 @841 GetIndexIntoMasterTable(DATA, PowerPlayInfo),
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 842 &size, &frev, &crev);
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 843 hwmgr->soft_pp_table = table_addr;
cf17039f489d3d drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Eric Huang 2016-05-31 844 hwmgr->soft_pp_table_size = size;
cf17039f489d3d drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Eric Huang 2016-05-31 845 }
3b4ca9e6494d19 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Rex Zhu 2017-08-24 846 }
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 847
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 848 return (const ATOM_PPLIB_POWERPLAYTABLE *)table_addr;
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 849 }
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 850
:::::: The code at line 841 was first introduced by commit
:::::: 3bace359149391c6547cefe3bf729f365bcf3ef6 drm/amd/powerplay: add hardware manager sub-component
:::::: TO: Jammy Zhou <Jammy.Zhou@amd.com>
:::::: CC: Alex Deucher <alexander.deucher@amd.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 37185 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: kernel test robot <lkp@intel.com>
To: kbuild-all@lists.01.org
Subject: drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/processpptables.c:841:6: warning: performing pointer subtraction with a null pointer has undefined behavior
Date: Wed, 21 Jul 2021 14:53:19 +0800 [thread overview]
Message-ID: <202107211406.rfN2m4j6-lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 34917 bytes --]
Hi Dave,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: 8cae8cd89f05f6de223d63e6d15e31c8ba9cf53b
commit: 0c8d22fcae2f9590a07b000e1724f665820b77f7 Merge tag 'amd-drm-next-5.10-2020-09-03' of git://people.freedesktop.org/~agd5f/linux into drm-next
date: 11 months ago
config: powerpc64-randconfig-r012-20210720 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project c781eb153bfbd1b52b03efe34f56bbeccbb8aba6)
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# install powerpc64 cross compiling tool for clang build
# apt-get install binutils-powerpc64-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=0c8d22fcae2f9590a07b000e1724f665820b77f7
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout 0c8d22fcae2f9590a07b000e1724f665820b77f7
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=powerpc64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
In file included from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/processpptables.c:23:
In file included from drivers/gpu/drm/amd/amdgpu/../pm/inc/pp_debug.h:34:
In file included from include/linux/kernel.h:12:
In file included from include/linux/bitops.h:29:
In file included from arch/powerpc/include/asm/bitops.h:62:
arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined]
#define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
^
<built-in>:310:9: note: previous definition is here
#define __lwsync __builtin_ppc_lwsync
^
>> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/processpptables.c:841:6: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(DATA, PowerPlayInfo),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/processpptables.c:1089:5: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(DATA, FirmwareInfo),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
3 warnings generated.
--
In file included from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu8_hwmgr.c:23:
In file included from drivers/gpu/drm/amd/amdgpu/../pm/inc/pp_debug.h:34:
In file included from include/linux/kernel.h:12:
In file included from include/linux/bitops.h:29:
In file included from arch/powerpc/include/asm/bitops.h:62:
arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined]
#define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
^
<built-in>:310:9: note: previous definition is here
#define __lwsync __builtin_ppc_lwsync
^
>> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu8_hwmgr.c:319:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(DATA, IntegratedSystemInfo),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu8_hwmgr.c:2044:5: warning: no previous prototype for function 'smu8_init_function_pointers' [-Wmissing-prototypes]
int smu8_init_function_pointers(struct pp_hwmgr *hwmgr)
^
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu8_hwmgr.c:2044:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int smu8_init_function_pointers(struct pp_hwmgr *hwmgr)
^
static
3 warnings generated.
--
In file included from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/process_pptables_v1_0.c:23:
In file included from drivers/gpu/drm/amd/amdgpu/../pm/inc/pp_debug.h:34:
In file included from include/linux/kernel.h:12:
In file included from include/linux/bitops.h:29:
In file included from arch/powerpc/include/asm/bitops.h:62:
arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined]
#define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
^
<built-in>:310:9: note: previous definition is here
#define __lwsync __builtin_ppc_lwsync
^
>> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/process_pptables_v1_0.c:136:14: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
int index = GetIndexIntoMasterTable(DATA, PowerPlayInfo);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
2 warnings generated.
--
In file included from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:23:
In file included from drivers/gpu/drm/amd/amdgpu/../pm/inc/pp_debug.h:34:
In file included from include/linux/kernel.h:12:
In file included from include/linux/bitops.h:29:
In file included from arch/powerpc/include/asm/bitops.h:62:
arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined]
#define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
^
<built-in>:310:9: note: previous definition is here
#define __lwsync __builtin_ppc_lwsync
^
In file included from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:31:
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppevvmath.h:336:7: warning: variable 'X_LessThanOne' set but not used [-Wunused-but-set-variable]
bool X_LessThanOne, Y_LessThanOne;
^
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppevvmath.h:336:22: warning: variable 'Y_LessThanOne' set but not used [-Wunused-but-set-variable]
bool X_LessThanOne, Y_LessThanOne;
^
>> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:145:5: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(DATA, VRAM_Info), &size, &frev, &crev);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:191:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, DynamicMemorySettings),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:203:14: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
int index = GetIndexIntoMasterTable(DATA, VoltageObjectInfo);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:261:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, ComputeMemoryClockParam),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:308:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, ComputeMemoryClockParam),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:329:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, ComputeMemoryClockParam),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:359:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, ComputeMemoryEnginePLL),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:383:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, ComputeMemoryEnginePLL),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:420:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, ComputeMemoryEnginePLL),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:453:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, ComputeMemoryEnginePLL),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:490:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(DATA, FirmwareInfo),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:610:5: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(DATA, GPIO_Pin_LUT),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:678:6: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(DATA, ASIC_ProfilingInfo),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:744:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, ReadEfuseValue),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:765:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, ReadEfuseValue),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:785:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, ReadEfuseValue),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomctrl.c:806:4: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
GetIndexIntoMasterTable(COMMAND, ReadEfuseValue),
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
--
In file included from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.c:24:
In file included from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.h:27:
In file included from drivers/gpu/drm/amd/amdgpu/../pm/inc/hwmgr.h:26:
In file included from include/linux/seq_file.h:7:
In file included from include/linux/bug.h:5:
In file included from arch/powerpc/include/asm/bug.h:109:
In file included from include/asm-generic/bug.h:20:
In file included from include/linux/kernel.h:12:
In file included from include/linux/bitops.h:29:
In file included from arch/powerpc/include/asm/bitops.h:62:
arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined]
#define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
^
<built-in>:310:9: note: previous definition is here
#define __lwsync __builtin_ppc_lwsync
^
>> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.c:60:8: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
idx = GetIndexIntoMasterDataTable(voltageobject_info);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.h:34:74: note: expanded from macro 'GetIndexIntoMasterDataTable'
(((char*)(&((struct atom_master_list_of_data_tables_v2_1*)0)->FieldName)-(char*)0)/sizeof(uint16_t))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.c:168:8: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
idx = GetIndexIntoMasterDataTable(gpio_pin_lut);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.h:34:74: note: expanded from macro 'GetIndexIntoMasterDataTable'
(((char*)(&((struct atom_master_list_of_data_tables_v2_1*)0)->FieldName)-(char*)0)/sizeof(uint16_t))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.c:258:8: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
idx = GetIndexIntoMasterCmdTable(computegpuclockparam);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.h:32:80: note: expanded from macro 'GetIndexIntoMasterCmdTable'
(((char*)(&((struct atom_master_list_of_command_functions_v2_1*)0)->FieldName)-(char*)0)/sizeof(uint16_t))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.c:285:8: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
idx = GetIndexIntoMasterDataTable(asic_profiling_info);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.h:34:74: note: expanded from macro 'GetIndexIntoMasterDataTable'
(((char*)(&((struct atom_master_list_of_data_tables_v2_1*)0)->FieldName)-(char*)0)/sizeof(uint16_t))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.c:469:8: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
idx = GetIndexIntoMasterDataTable(smu_info);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.h:34:74: note: expanded from macro 'GetIndexIntoMasterDataTable'
(((char*)(&((struct atom_master_list_of_data_tables_v2_1*)0)->FieldName)-(char*)0)/sizeof(uint16_t))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.c:505:7: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
ix = GetIndexIntoMasterCmdTable(getsmuclockinfo);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.h:32:80: note: expanded from macro 'GetIndexIntoMasterCmdTable'
(((char*)(&((struct atom_master_list_of_command_functions_v2_1*)0)->FieldName)-(char*)0)/sizeof(uint16_t))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.c:594:7: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
ix = GetIndexIntoMasterDataTable(firmwareinfo);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.h:34:74: note: expanded from macro 'GetIndexIntoMasterDataTable'
(((char*)(&((struct atom_master_list_of_data_tables_v2_1*)0)->FieldName)-(char*)0)/sizeof(uint16_t))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.c:626:7: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
ix = GetIndexIntoMasterDataTable(smc_dpm_info);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.h:34:74: note: expanded from macro 'GetIndexIntoMasterDataTable'
(((char*)(&((struct atom_master_list_of_data_tables_v2_1*)0)->FieldName)-(char*)0)/sizeof(uint16_t))
^~~~~~~~~
9 warnings generated.
--
In file included from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:23:
In file included from drivers/gpu/drm/amd/amdgpu/../pm/inc/pp_debug.h:34:
In file included from include/linux/kernel.h:12:
In file included from include/linux/bitops.h:29:
In file included from arch/powerpc/include/asm/bitops.h:62:
arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined]
#define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
^
<built-in>:310:9: note: previous definition is here
#define __lwsync __builtin_ppc_lwsync
^
>> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:3075:14: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
int index = GetIndexIntoMasterTable(DATA, FirmwareInfo);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../include/atombios.h:7133:132: note: expanded from macro 'GetIndexIntoMasterTable'
#define GetIndexIntoMasterTable(MasterOrData, FieldName) (((char*)(&((ATOM_MASTER_LIST_OF_##MasterOrData##_TABLES*)0)->FieldName)-(char*)0)/sizeof(USHORT))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:5207:5: warning: no previous prototype for function 'smu7_init_function_pointers' [-Wmissing-prototypes]
int smu7_init_function_pointers(struct pp_hwmgr *hwmgr)
^
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:5207:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int smu7_init_function_pointers(struct pp_hwmgr *hwmgr)
^
static
3 warnings generated.
--
In file included from drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:23:
In file included from include/linux/module.h:12:
In file included from include/linux/list.h:9:
In file included from include/linux/kernel.h:12:
In file included from include/linux/bitops.h:29:
In file included from arch/powerpc/include/asm/bitops.h:62:
arch/powerpc/include/asm/barrier.h:49:9: warning: '__lwsync' macro redefined [-Wmacro-redefined]
#define __lwsync() __asm__ __volatile__ (stringify_in_c(LWSYNC) : : :"memory")
^
<built-in>:310:9: note: previous definition is here
#define __lwsync __builtin_ppc_lwsync
^
>> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:49:14: warning: performing pointer subtraction with a null pointer has undefined behavior [-Wnull-pointer-subtraction]
int index = GetIndexIntoMasterDataTable(powerplayinfo);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/ppatomfwctrl.h:34:74: note: expanded from macro 'GetIndexIntoMasterDataTable'
(((char*)(&((struct atom_master_list_of_data_tables_v2_1*)0)->FieldName)-(char*)0)/sizeof(uint16_t))
^~~~~~~~~
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:1182:5: warning: no previous prototype for function 'vega10_pp_tables_initialize' [-Wmissing-prototypes]
int vega10_pp_tables_initialize(struct pp_hwmgr *hwmgr)
^
drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/vega10_processpptables.c:1182:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
int vega10_pp_tables_initialize(struct pp_hwmgr *hwmgr)
^
static
3 warnings generated.
..
vim +841 drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/processpptables.c
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 826
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 827 static const ATOM_PPLIB_POWERPLAYTABLE *get_powerplay_table(
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 828 struct pp_hwmgr *hwmgr)
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 829 {
cf17039f489d3d drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Eric Huang 2016-05-31 830 const void *table_addr = hwmgr->soft_pp_table;
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 831 uint8_t frev, crev;
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 832 uint16_t size;
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 833
cf17039f489d3d drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Eric Huang 2016-05-31 834 if (!table_addr) {
741deade2a704a drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Alex Deucher 2018-09-13 835 if (hwmgr->chip_id == CHIP_RAVEN) {
3b4ca9e6494d19 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Rex Zhu 2017-08-24 836 table_addr = &soft_dummy_pp_table[0];
3b4ca9e6494d19 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Rex Zhu 2017-08-24 837 hwmgr->soft_pp_table = &soft_dummy_pp_table[0];
3b4ca9e6494d19 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Rex Zhu 2017-08-24 838 hwmgr->soft_pp_table_size = sizeof(soft_dummy_pp_table);
3b4ca9e6494d19 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Rex Zhu 2017-08-24 839 } else {
b3892e2bb519fe drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Rex Zhu 2018-03-26 840 table_addr = smu_atom_get_data_table(hwmgr->adev,
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 @841 GetIndexIntoMasterTable(DATA, PowerPlayInfo),
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 842 &size, &frev, &crev);
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 843 hwmgr->soft_pp_table = table_addr;
cf17039f489d3d drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Eric Huang 2016-05-31 844 hwmgr->soft_pp_table_size = size;
cf17039f489d3d drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Eric Huang 2016-05-31 845 }
3b4ca9e6494d19 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Rex Zhu 2017-08-24 846 }
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 847
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 848 return (const ATOM_PPLIB_POWERPLAYTABLE *)table_addr;
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 849 }
3bace359149391 drivers/gpu/drm/amd/powerplay/hwmgr/processpptables.c Jammy Zhou 2015-07-21 850
:::::: The code at line 841 was first introduced by commit
:::::: 3bace359149391c6547cefe3bf729f365bcf3ef6 drm/amd/powerplay: add hardware manager sub-component
:::::: TO: Jammy Zhou <Jammy.Zhou@amd.com>
:::::: CC: Alex Deucher <alexander.deucher@amd.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
[-- Attachment #2: config.gz --]
[-- Type: application/gzip, Size: 37185 bytes --]
next reply other threads:[~2021-07-21 6:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-21 6:53 kernel test robot [this message]
2021-07-21 6:53 ` drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/processpptables.c:841:6: warning: performing pointer subtraction with a null pointer has undefined behavior kernel test robot
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=202107211406.rfN2m4j6-lkp@intel.com \
--to=lkp@intel.com \
--cc=airlied@redhat.com \
--cc=alexander.deucher@amd.com \
--cc=clang-built-linux@googlegroups.com \
--cc=kbuild-all@lists.01.org \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.