Re: [PATCH 2/2] media: venus: use device managed APIs for power domains

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Hi Dikshita,

kernel test robot noticed the following build errors:

[auto build test ERROR on rafael-pm/linux-next]
[also build test ERROR on rafael-pm/bleeding-edge media-tree/master linus/master v6.10-rc7 next-20240712]
[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/Dikshita-Agarwal/PM-domains-add-device-managed-version-of-dev_pm_domain_attach-detach_list/20240712-135151
base:   https://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm.git linux-next
patch link:    https://lore.kernel.org/r/1720763312-13018-3-git-send-email-quic_dikshita%40quicinc.com
patch subject: [PATCH 2/2] media: venus: use device managed APIs for power domains
config: s390-allmodconfig (https://download.01.org/0day-ci/archive/20240713/202407131046.zNlz3AxD-lkp@xxxxxxxxx/config)
compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project a0c6b8aef853eedaa0980f07c0a502a5a8a9740e)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240713/202407131046.zNlz3AxD-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202407131046.zNlz3AxD-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

   In file included from drivers/media/platform/qcom/venus/pm_helpers.c:9:
   In file included from include/linux/iopoll.h:14:
   In file included from include/linux/io.h:14:
   In file included from arch/s390/include/asm/io.h:93:
   include/asm-generic/io.h:548:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     548 |         val = __raw_readb(PCI_IOBASE + addr);
         |                           ~~~~~~~~~~ ^
   include/asm-generic/io.h:561:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     561 |         val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr));
         |                                                         ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu'
      37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x))
         |                                                           ^
   include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16'
     102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x))
         |                                                      ^
   In file included from drivers/media/platform/qcom/venus/pm_helpers.c:9:
   In file included from include/linux/iopoll.h:14:
   In file included from include/linux/io.h:14:
   In file included from arch/s390/include/asm/io.h:93:
   include/asm-generic/io.h:574:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     574 |         val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr));
         |                                                         ~~~~~~~~~~ ^
   include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu'
      35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x))
         |                                                           ^
   include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32'
     115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x))
         |                                                      ^
   In file included from drivers/media/platform/qcom/venus/pm_helpers.c:9:
   In file included from include/linux/iopoll.h:14:
   In file included from include/linux/io.h:14:
   In file included from arch/s390/include/asm/io.h:93:
   include/asm-generic/io.h:585:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     585 |         __raw_writeb(value, PCI_IOBASE + addr);
         |                             ~~~~~~~~~~ ^
   include/asm-generic/io.h:595:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     595 |         __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr);
         |                                                       ~~~~~~~~~~ ^
   include/asm-generic/io.h:605:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     605 |         __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr);
         |                                                       ~~~~~~~~~~ ^
   include/asm-generic/io.h:693:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     693 |         readsb(PCI_IOBASE + addr, buffer, count);
         |                ~~~~~~~~~~ ^
   include/asm-generic/io.h:701:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     701 |         readsw(PCI_IOBASE + addr, buffer, count);
         |                ~~~~~~~~~~ ^
   include/asm-generic/io.h:709:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     709 |         readsl(PCI_IOBASE + addr, buffer, count);
         |                ~~~~~~~~~~ ^
   include/asm-generic/io.h:718:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     718 |         writesb(PCI_IOBASE + addr, buffer, count);
         |                 ~~~~~~~~~~ ^
   include/asm-generic/io.h:727:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     727 |         writesw(PCI_IOBASE + addr, buffer, count);
         |                 ~~~~~~~~~~ ^
   include/asm-generic/io.h:736:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic]
     736 |         writesl(PCI_IOBASE + addr, buffer, count);
         |                 ~~~~~~~~~~ ^
   In file included from drivers/media/platform/qcom/venus/pm_helpers.c:11:
   In file included from include/linux/pm_domain.h:11:
   In file included from include/linux/device.h:32:
   In file included from include/linux/device/driver.h:21:
   In file included from include/linux/module.h:19:
   In file included from include/linux/elf.h:6:
   In file included from arch/s390/include/asm/elf.h:173:
   In file included from arch/s390/include/asm/mmu_context.h:11:
   In file included from arch/s390/include/asm/pgalloc.h:18:
   In file included from include/linux/mm.h:2258:
   include/linux/vmstat.h:500:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     500 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     501 |                            item];
         |                            ~~~~
   include/linux/vmstat.h:507:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     507 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     508 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:514:36: warning: arithmetic between different enumeration types ('enum node_stat_item' and 'enum lru_list') [-Wenum-enum-conversion]
     514 |         return node_stat_name(NR_LRU_BASE + lru) + 3; // skip "nr_"
         |                               ~~~~~~~~~~~ ^ ~~~
   include/linux/vmstat.h:519:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     519 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     520 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
   include/linux/vmstat.h:528:43: warning: arithmetic between different enumeration types ('enum zone_stat_item' and 'enum numa_stat_item') [-Wenum-enum-conversion]
     528 |         return vmstat_text[NR_VM_ZONE_STAT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~ ^
     529 |                            NR_VM_NUMA_EVENT_ITEMS +
         |                            ~~~~~~~~~~~~~~~~~~~~~~
>> drivers/media/platform/qcom/venus/pm_helpers.c:872:8: error: call to undeclared function 'devm_pm_domain_attach_list'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
     872 |         ret = devm_pm_domain_attach_list(dev, &vcodec_data, &core->pmdomains);
         |               ^
   drivers/media/platform/qcom/venus/pm_helpers.c:872:8: note: did you mean 'dev_pm_domain_attach_list'?
   include/linux/pm_domain.h:483:19: note: 'dev_pm_domain_attach_list' declared here
     483 | static inline int dev_pm_domain_attach_list(struct device *dev,
         |                   ^
   17 warnings and 1 error generated.


vim +/devm_pm_domain_attach_list +872 drivers/media/platform/qcom/venus/pm_helpers.c

   856	
   857	static int vcodec_domains_get(struct venus_core *core)
   858	{
   859		int ret;
   860		struct device **opp_virt_dev;
   861		struct device *dev = core->dev;
   862		const struct venus_resources *res = core->res;
   863		struct dev_pm_domain_attach_data vcodec_data = {
   864			.pd_names = res->vcodec_pmdomains,
   865			.num_pd_names = res->vcodec_pmdomains_num,
   866			.pd_flags = PD_FLAG_NO_DEV_LINK,
   867		};
   868	
   869		if (!res->vcodec_pmdomains_num)
   870			goto skip_pmdomains;
   871	
 > 872		ret = devm_pm_domain_attach_list(dev, &vcodec_data, &core->pmdomains);
   873		if (ret < 0)
   874			return ret;
   875	
   876	skip_pmdomains:
   877		if (!core->res->opp_pmdomain)
   878			return 0;
   879	
   880		/* Attach the power domain for setting performance state */
   881		ret = devm_pm_opp_attach_genpd(dev, res->opp_pmdomain, &opp_virt_dev);
   882		if (ret)
   883			goto opp_attach_err;
   884	
   885		core->opp_pmdomain = *opp_virt_dev;
   886		core->opp_dl_venus = device_link_add(dev, core->opp_pmdomain,
   887						     DL_FLAG_RPM_ACTIVE |
   888						     DL_FLAG_PM_RUNTIME |
   889						     DL_FLAG_STATELESS);
   890		if (!core->opp_dl_venus) {
   891			ret = -ENODEV;
   892			goto opp_attach_err;
   893		}
   894	
   895		return 0;
   896	
   897	opp_attach_err:
   898		return ret;
   899	}
   900	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki




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