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

From: kernel test robot
Date: Fri Jul 12 2024 - 23:17:23 EST

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In reply to: Dikshita Agarwal: "[PATCH 2/2] media: venus: use device managed APIs for power domains"
Next in thread: Bryan O'Donoghue: "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

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Next message: Dmitry Torokhov: "[PATCH] ARM: pxa: fix build breakage on PXA3xx"
Previous message: Paul E. McKenney: "Re: [GIT PULL] nolibc for 6.11-rc1"
In reply to: Dikshita Agarwal: "[PATCH 2/2] media: venus: use device managed APIs for power domains"
Next in thread: Bryan O'Donoghue: "Re: [PATCH 2/2] media: venus: use device managed APIs for power domains"
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