Re: [Intel-gfx] [PATCH 2/2] drm/amdgpu: Disable PCIE_DPM on Intel RKL Platform

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Hi Koba,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on drm-intel/for-linux-next]
[also build test WARNING on drm-tip/drm-tip linus/master v5.14-rc7 next-20210827]
[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]

url:    https://github.com/0day-ci/linux/commits/Koba-Ko/drm-i915-move-intel_pch-h-to-include-drm/20210825-123642
base:   git://anongit.freedesktop.org/drm-intel for-linux-next
config: x86_64-randconfig-r004-20210827 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 1076082a0d97bd5c16a25ee7cf3dbb6ee4b5a9fe)
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
        # https://github.com/0day-ci/linux/commit/5317e1b91c79cc69afdae37e3f868195299f5275
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Koba-Ko/drm-i915-move-intel_pch-h-to-include-drm/20210825-123642
        git checkout 5317e1b91c79cc69afdae37e3f868195299f5275
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:1748:42: warning: use of logical '||' with constant operand [-Wconstant-logical-operand]
                   if (id == INTEL_PCH_TGP_DEVICE_ID_TYPE || INTEL_PCH_TGP2_DEVICE_ID_TYPE)
                                                          ^  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:1748:42: note: use '|' for a bitwise operation
                   if (id == INTEL_PCH_TGP_DEVICE_ID_TYPE || INTEL_PCH_TGP2_DEVICE_ID_TYPE)
                                                          ^~
                                                          |
   drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c:3503:14: 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:7151:132: 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.


vim +1748 drivers/gpu/drm/amd/amdgpu/../pm/powerplay/hwmgr/smu7_hwmgr.c

  1737	
  1738	static bool intel_tgp_chk(void)
  1739	{
  1740		struct pci_dev *pch = NULL;
  1741		unsigned short id;
  1742	
  1743		while ((pch = pci_get_class(PCI_CLASS_BRIDGE_ISA << 8, pch))) {
  1744			if (pch->vendor != PCI_VENDOR_ID_INTEL)
  1745				continue;
  1746	
  1747			id = pch->device & INTEL_PCH_DEVICE_ID_MASK;
> 1748			if (id == INTEL_PCH_TGP_DEVICE_ID_TYPE || INTEL_PCH_TGP2_DEVICE_ID_TYPE)
  1749				return true;
  1750		}
  1751	
  1752		return false;
  1753	}
  1754	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip


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