From: kernel test robot <lkp@intel.com>
To: "Christian König" <christian.koenig@amd.com>
Cc: llvm@lists.linux.dev, kbuild-all@lists.01.org,
linux-kernel@vger.kernel.org, Rob Clark <robdclark@gmail.com>
Subject: drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c:31:20: warning: unused function 'mdss_write'
Date: Thu, 6 Jan 2022 00:39:03 +0800 [thread overview]
Message-ID: <202201060040.iyvFP9ru-lkp@intel.com> (raw)
Hi Christian,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: c9e6606c7fe92b50a02ce51dda82586ebdf99b48
commit: b3ed524f84f573ece1aa2f26e9db3c34a593e0d1 drm/msm: allow compile_test on !ARM
date: 3 months ago
config: mips-randconfig-r002-20220105 (https://download.01.org/0day-ci/archive/20220106/202201060040.iyvFP9ru-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d5b6e30ed3acad794dd0aec400e617daffc6cc3d)
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 mips cross compiling tool for clang build
# apt-get install binutils-mips-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b3ed524f84f573ece1aa2f26e9db3c34a593e0d1
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout b3ed524f84f573ece1aa2f26e9db3c34a593e0d1
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/gpu/drm/msm/ fs/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c:31:20: warning: unused function 'mdss_write'
static inline void mdss_write(struct mdp5_mdss u32 reg, u32 data)
^
fatal error: error in backend: Nested variants found in inline asm string: ' .set push
.set mips64r2
.if ( 0x00 ) != -1)) 0x00 ) != -1)) : ($( static struct ftrace_branch_data __attribute__((__aligned__(4))) __attribute__((__section__("_ftrace_branch"))) __if_trace = $( .func = __func__, .file = "arch/mips/include/asm/bitops.h", .line = 133, $); 0x00 ) != -1)) : $))) ) && ( 0 ); .set push; .set mips64r2; .rept 1; sync 0x00; .endr; .set pop; .else; ; .endif
1: ll $0, $1
and $0, $2
sc $0, $1
beqz $0, 1b
.set pop
'
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: clang -Wp,-MMD,drivers/gpu/drm/msm/disp/mdp5/.mdp5_mdss.o.d -nostdinc -isystem /opt/cross/clang-d5b6e30ed3/lib/clang/14.0.0/include -Iarch/mips/include -I./arch/mips/include/generated -Iinclude -I./include -Iarch/mips/include/uapi -I./arch/mips/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -DVMLINUX_LOAD_ADDRESS=0xffffffff84000000 -DLINKER_LOAD_ADDRESS=0x84000000 -DDATAOFFSET=0 -Qunused-arguments -fmacro-prefix-map== -DKBUILD_EXTRA_WARN1 -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Wno-format-security -std=gnu89 --target=mipsel-linux -fintegrated-as -Werror=unknown-warning-option -mno-check-zero-division -mabi=32 -G 0 -mno-abicalls -fno-pic -pipe -msoft-float -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float -ffreestanding -EL -fno-stack-check -march=mips32 -Wa,--trap -DTOOLCHAIN_SUPPORTS_VIRT -Iarch/mips/include/asm/mach-au1x00 -Iarch/mips/include/asm/mach-generic -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -Wno-frame-address -Wno-address-of-packed-member -O2 -Wframe-larger-than=1024 -fno-stack-protector -Wno-gnu -mno-global-merge -Wno-unused-but-set-variable -Wno-unused-const-variable -ftrivial-auto-var-init=pattern -fno-stack-clash-protection -pg -falign-functions=64 -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -Wno-array-bounds -fno-strict-overflow -fno-stack-check -Werror=date-time -Werror=incompatible-pointer-types -Wextra -Wunused -Wno-unused-parameter -Wmissing-declarations -Wmissing-format-attribute -Wmissing-prototypes -Wold-style-definition -Wmissing-include-dirs -Wunused-but-set-variable -Wunused-const-variable -Wno-missing-field-initializers -Wno-sign-compare -Wno-type-limits -I drivers/gpu/drm/msm -I drivers/gpu/drm/msm/disp/dpu1 -I drivers/gpu/drm/msm/dp -fsanitize=array-bounds -fsanitize=unreachable -fsanitize=object-size -fsanitize=enum -fsanitize-coverage=trace-pc -I drivers/gpu/drm/msm -I ./drivers/gpu/drm/msm -ffunction-sections -fdata-sections -DKBUILD_MODFILE="drivers/gpu/drm/msm/msm" -DKBUILD_BASENAME="mdp5_mdss" -DKBUILD_MODNAME="msm" -D__KBUILD_MODNAME=kmod_msm -c -o drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.o drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c
1. <eof> parser at end of file
2. Code generation
3. Running pass 'Function Pass Manager' on module 'drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c'.
4. Running pass 'Mips Assembly Printer' on function '@mdss_hw_mask_irq'
#0 0x000056459b78eb3f Signals.cpp:0:0
#1 0x000056459b78ca8c llvm::sys::CleanupOnSignal(unsigned long) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3401a8c)
#2 0x000056459b6d0667 llvm::CrashRecoveryContext::HandleExit(int) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3345667)
#3 0x000056459b78513e llvm::sys::Process::Exit(int, bool) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x33fa13e)
#4 0x000056459940b33b (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x108033b)
#5 0x000056459b6d710c llvm::report_fatal_error(llvm::Twine const&, bool) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x334c10c)
#6 0x000056459c3b99b8 llvm::AsmPrinter::emitInlineAsm(llvm::MachineInstr const (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x402e9b8)
#7 0x000056459c3b5759 llvm::AsmPrinter::emitFunctionBody() (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x402a759)
#8 0x0000564599e6682e llvm::MipsAsmPrinter::runOnMachineFunction(llvm::MachineFunction&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x1adb82e)
#9 0x000056459aafd2fd llvm::MachineFunctionPass::runOnFunction(llvm::Function&) (.part.53) MachineFunctionPass.cpp:0:0
#10 0x000056459af35867 llvm::FPPassManager::runOnFunction(llvm::Function&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x2baa867)
#11 0x000056459af359e1 llvm::FPPassManager::runOnModule(llvm::Module&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x2baa9e1)
#12 0x000056459af36cbf llvm::legacy::PassManagerImpl::run(llvm::Module&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x2babcbf)
#13 0x000056459baa04fa clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream> >) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x37154fa)
#14 0x000056459c6cdea3 clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x4342ea3)
#15 0x000056459d1d1fd9 clang::ParseAST(clang::Sema&, bool, bool) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x4e46fd9)
#16 0x000056459c6cccff clang::CodeGenAction::ExecuteAction() (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x4341cff)
#17 0x000056459c0cc001 clang::FrontendAction::Execute() (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3d41001)
#18 0x000056459c063bda clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3cd8bda)
#19 0x000056459c19507b (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3e0a07b)
#20 0x000056459940c084 cc1_main(llvm::ArrayRef<char char (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x1081084)
#21 0x00005645994095cb ExecuteCC1Tool(llvm::SmallVectorImpl<char driver.cpp:0:0
#22 0x000056459bf00b15 void llvm::function_ref<void ()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> const::'lambda'()>(long) Job.cpp:0:0
#23 0x000056459b6d0523 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3345523)
#24 0x000056459bf0140e clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> const (.part.216) Job.cpp:0:0
#25 0x000056459bed7ee7 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3b4cee7)
#26 0x000056459bed88c7 clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command >&) const (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3b4d8c7)
#27 0x000056459bee2139 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command >&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3b57139)
#28 0x000056459933419f main (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0xfa919f)
#29 0x00007fd134c40d0a __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x26d0a)
#30 0x00005645994090ea _start (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x107e0ea)
clang-14: error: clang frontend command failed with exit code 70 (use -v to see invocation)
clang version 14.0.0 (git://gitmirror/llvm_project d5b6e30ed3acad794dd0aec400e617daffc6cc3d)
Target: mipsel-unknown-linux
Thread model: posix
InstalledDir: /opt/cross/clang-d5b6e30ed3/bin
clang-14: note: diagnostic msg:
Makefile arch drivers fs include kernel net nr_bisected scripts sound source usr
--
>> drivers/gpu/drm/msm/dp/dp_catalog.c:119:19: warning: unused function 'dp_read_p0'
static inline u32 dp_read_p0(struct dp_catalog_private
^
fatal error: error in backend: Nested variants found in inline asm string: '.if ( 0x00 ) != -1)) 0x00 ) != -1)) : ($( static struct ftrace_branch_data __attribute__((__aligned__(4))) __attribute__((__section__("_ftrace_branch"))) __if_trace = $( .func = __func__, .file = "arch/mips/include/asm/barrier.h", .line = 16, $); 0x00 ) != -1)) : $))) ) && ( (1 << 0) ); .set push; .set mips64r2; .rept 1; sync 0x00; .endr; .set pop; .else; ; .endif'
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: clang -Wp,-MMD,drivers/gpu/drm/msm/dp/.dp_catalog.o.d -nostdinc -isystem /opt/cross/clang-d5b6e30ed3/lib/clang/14.0.0/include -Iarch/mips/include -I./arch/mips/include/generated -Iinclude -I./include -Iarch/mips/include/uapi -I./arch/mips/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -DVMLINUX_LOAD_ADDRESS=0xffffffff84000000 -DLINKER_LOAD_ADDRESS=0x84000000 -DDATAOFFSET=0 -Qunused-arguments -fmacro-prefix-map== -DKBUILD_EXTRA_WARN1 -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Wno-format-security -std=gnu89 --target=mipsel-linux -fintegrated-as -Werror=unknown-warning-option -mno-check-zero-division -mabi=32 -G 0 -mno-abicalls -fno-pic -pipe -msoft-float -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float -ffreestanding -EL -fno-stack-check -march=mips32 -Wa,--trap -DTOOLCHAIN_SUPPORTS_VIRT -Iarch/mips/include/asm/mach-au1x00 -Iarch/mips/include/asm/mach-generic -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -Wno-frame-address -Wno-address-of-packed-member -O2 -Wframe-larger-than=1024 -fno-stack-protector -Wno-gnu -mno-global-merge -Wno-unused-but-set-variable -Wno-unused-const-variable -ftrivial-auto-var-init=pattern -fno-stack-clash-protection -pg -falign-functions=64 -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -Wno-array-bounds -fno-strict-overflow -fno-stack-check -Werror=date-time -Werror=incompatible-pointer-types -Wextra -Wunused -Wno-unused-parameter -Wmissing-declarations -Wmissing-format-attribute -Wmissing-prototypes -Wold-style-definition -Wmissing-include-dirs -Wunused-but-set-variable -Wunused-const-variable -Wno-missing-field-initializers -Wno-sign-compare -Wno-type-limits -I drivers/gpu/drm/msm -I drivers/gpu/drm/msm/disp/dpu1 -I drivers/gpu/drm/msm/dp -fsanitize=array-bounds -fsanitize=unreachable -fsanitize=object-size -fsanitize=enum -fsanitize-coverage=trace-pc -I drivers/gpu/drm/msm -I ./drivers/gpu/drm/msm -ffunction-sections -fdata-sections -DKBUILD_MODFILE="drivers/gpu/drm/msm/msm" -DKBUILD_BASENAME="dp_catalog" -DKBUILD_MODNAME="msm" -D__KBUILD_MODNAME=kmod_msm -c -o drivers/gpu/drm/msm/dp/dp_catalog.o drivers/gpu/drm/msm/dp/dp_catalog.c
1. <eof> parser at end of file
2. Code generation
3. Running pass 'Function Pass Manager' on module 'drivers/gpu/drm/msm/dp/dp_catalog.c'.
4. Running pass 'Mips Assembly Printer' on function '@dp_catalog_aux_read_data'
#0 0x0000564ef7f1cb3f Signals.cpp:0:0
#1 0x0000564ef7f1aa8c llvm::sys::CleanupOnSignal(unsigned long) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3401a8c)
#2 0x0000564ef7e5e667 llvm::CrashRecoveryContext::HandleExit(int) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3345667)
#3 0x0000564ef7f1313e llvm::sys::Process::Exit(int, bool) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x33fa13e)
#4 0x0000564ef5b9933b (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x108033b)
#5 0x0000564ef7e6510c llvm::report_fatal_error(llvm::Twine const&, bool) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x334c10c)
#6 0x0000564ef8b479b8 llvm::AsmPrinter::emitInlineAsm(llvm::MachineInstr const (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x402e9b8)
#7 0x0000564ef8b43759 llvm::AsmPrinter::emitFunctionBody() (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x402a759)
#8 0x0000564ef65f482e llvm::MipsAsmPrinter::runOnMachineFunction(llvm::MachineFunction&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x1adb82e)
#9 0x0000564ef728b2fd llvm::MachineFunctionPass::runOnFunction(llvm::Function&) (.part.53) MachineFunctionPass.cpp:0:0
#10 0x0000564ef76c3867 llvm::FPPassManager::runOnFunction(llvm::Function&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x2baa867)
#11 0x0000564ef76c39e1 llvm::FPPassManager::runOnModule(llvm::Module&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x2baa9e1)
#12 0x0000564ef76c4cbf llvm::legacy::PassManagerImpl::run(llvm::Module&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x2babcbf)
#13 0x0000564ef822e4fa clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream> >) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x37154fa)
#14 0x0000564ef8e5bea3 clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x4342ea3)
#15 0x0000564ef995ffd9 clang::ParseAST(clang::Sema&, bool, bool) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x4e46fd9)
#16 0x0000564ef8e5acff clang::CodeGenAction::ExecuteAction() (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x4341cff)
#17 0x0000564ef885a001 clang::FrontendAction::Execute() (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3d41001)
#18 0x0000564ef87f1bda clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3cd8bda)
#19 0x0000564ef892307b (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3e0a07b)
#20 0x0000564ef5b9a084 cc1_main(llvm::ArrayRef<char char (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x1081084)
#21 0x0000564ef5b975cb ExecuteCC1Tool(llvm::SmallVectorImpl<char driver.cpp:0:0
#22 0x0000564ef868eb15 void llvm::function_ref<void ()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> const::'lambda'()>(long) Job.cpp:0:0
#23 0x0000564ef7e5e523 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3345523)
#24 0x0000564ef868f40e clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> const (.part.216) Job.cpp:0:0
#25 0x0000564ef8665ee7 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3b4cee7)
#26 0x0000564ef86668c7 clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command >&) const (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3b4d8c7)
#27 0x0000564ef8670139 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command >&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3b57139)
#28 0x0000564ef5ac219f main (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0xfa919f)
#29 0x00007fcd5dcaad0a __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x26d0a)
#30 0x0000564ef5b970ea _start (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x107e0ea)
clang-14: error: clang frontend command failed with exit code 70 (use -v to see invocation)
clang version 14.0.0 (git://gitmirror/llvm_project d5b6e30ed3acad794dd0aec400e617daffc6cc3d)
Target: mipsel-unknown-linux
Thread model: posix
InstalledDir: /opt/cross/clang-d5b6e30ed3/bin
clang-14: note: diagnostic msg:
Makefile arch drivers fs include kernel net nr_bisected scripts sound source usr
vim +/mdss_write +31 drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c
990a40079a55b8 drivers/gpu/drm/msm/mdp/mdp5/mdp5_mdss.c Archit Taneja 2016-05-07 30
bc3220be22577e drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c Rajesh Yadav 2018-06-21 @31 static inline void mdss_write(struct mdp5_mdss *mdp5_mdss, u32 reg, u32 data)
990a40079a55b8 drivers/gpu/drm/msm/mdp/mdp5/mdp5_mdss.c Archit Taneja 2016-05-07 32 {
bc3220be22577e drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c Rajesh Yadav 2018-06-21 33 msm_writel(data, mdp5_mdss->mmio + reg);
990a40079a55b8 drivers/gpu/drm/msm/mdp/mdp5/mdp5_mdss.c Archit Taneja 2016-05-07 34 }
990a40079a55b8 drivers/gpu/drm/msm/mdp/mdp5/mdp5_mdss.c Archit Taneja 2016-05-07 35
:::::: The code at line 31 was first introduced by commit
:::::: bc3220be22577e199452edbb6a24a980a4ab5c73 drm/msm/mdp5: subclass msm_mdss for mdp5
:::::: TO: Rajesh Yadav <ryadav@codeaurora.org>
:::::: CC: Sean Paul <seanpaul@chromium.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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/msm/disp/mdp5/mdp5_mdss.c:31:20: warning: unused function 'mdss_write'
Date: Thu, 06 Jan 2022 00:39:03 +0800 [thread overview]
Message-ID: <202201060040.iyvFP9ru-lkp@intel.com> (raw)
[-- Attachment #1: Type: text/plain, Size: 19131 bytes --]
Hi Christian,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: c9e6606c7fe92b50a02ce51dda82586ebdf99b48
commit: b3ed524f84f573ece1aa2f26e9db3c34a593e0d1 drm/msm: allow compile_test on !ARM
date: 3 months ago
config: mips-randconfig-r002-20220105 (https://download.01.org/0day-ci/archive/20220106/202201060040.iyvFP9ru-lkp(a)intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project d5b6e30ed3acad794dd0aec400e617daffc6cc3d)
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 mips cross compiling tool for clang build
# apt-get install binutils-mips-linux-gnu
# https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b3ed524f84f573ece1aa2f26e9db3c34a593e0d1
git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
git fetch --no-tags linus master
git checkout b3ed524f84f573ece1aa2f26e9db3c34a593e0d1
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=mips SHELL=/bin/bash drivers/gpu/drm/msm/ fs/
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 >>):
>> drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c:31:20: warning: unused function 'mdss_write'
static inline void mdss_write(struct mdp5_mdss u32 reg, u32 data)
^
fatal error: error in backend: Nested variants found in inline asm string: ' .set push
.set mips64r2
.if ( 0x00 ) != -1)) 0x00 ) != -1)) : ($( static struct ftrace_branch_data __attribute__((__aligned__(4))) __attribute__((__section__("_ftrace_branch"))) __if_trace = $( .func = __func__, .file = "arch/mips/include/asm/bitops.h", .line = 133, $); 0x00 ) != -1)) : $))) ) && ( 0 ); .set push; .set mips64r2; .rept 1; sync 0x00; .endr; .set pop; .else; ; .endif
1: ll $0, $1
and $0, $2
sc $0, $1
beqz $0, 1b
.set pop
'
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: clang -Wp,-MMD,drivers/gpu/drm/msm/disp/mdp5/.mdp5_mdss.o.d -nostdinc -isystem /opt/cross/clang-d5b6e30ed3/lib/clang/14.0.0/include -Iarch/mips/include -I./arch/mips/include/generated -Iinclude -I./include -Iarch/mips/include/uapi -I./arch/mips/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -DVMLINUX_LOAD_ADDRESS=0xffffffff84000000 -DLINKER_LOAD_ADDRESS=0x84000000 -DDATAOFFSET=0 -Qunused-arguments -fmacro-prefix-map== -DKBUILD_EXTRA_WARN1 -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Wno-format-security -std=gnu89 --target=mipsel-linux -fintegrated-as -Werror=unknown-warning-option -mno-check-zero-division -mabi=32 -G 0 -mno-abicalls -fno-pic -pipe -msoft-float -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float -ffreestanding -EL -fno-stack-check -march=mips32 -Wa,--trap -DTOOLCHAIN_SUPPORTS_VIRT -Iarch/mips/include/asm/mach-au1x00 -Iarch/mips/include/asm/mach-generic -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -Wno-frame-address -Wno-address-of-packed-member -O2 -Wframe-larger-than=1024 -fno-stack-protector -Wno-gnu -mno-global-merge -Wno-unused-but-set-variable -Wno-unused-const-variable -ftrivial-auto-var-init=pattern -fno-stack-clash-protection -pg -falign-functions=64 -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -Wno-array-bounds -fno-strict-overflow -fno-stack-check -Werror=date-time -Werror=incompatible-pointer-types -Wextra -Wunused -Wno-unused-parameter -Wmissing-declarations -Wmissing-format-attribute -Wmissing-prototypes -Wold-style-definition -Wmissing-include-dirs -Wunused-but-set-variable -Wunused-const-variable -Wno-missing-field-initializers -Wno-sign-compare -Wno-type-limits -I drivers/gpu/drm/msm -I drivers/gpu/drm/msm/disp/dpu1 -I drivers/gpu/drm/msm/dp -fsanitize=array-bounds -fsanitize=unreachable -fsanitize=object-size -fsanitize=enum -fsanitize-coverage=trace-pc -I drivers/gpu/drm/msm -I ./drivers/gpu/drm/msm -ffunction-sections -fdata-sections -DKBUILD_MODFILE="drivers/gpu/drm/msm/msm" -DKBUILD_BASENAME="mdp5_mdss" -DKBUILD_MODNAME="msm" -D__KBUILD_MODNAME=kmod_msm -c -o drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.o drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c
1. <eof> parser at end of file
2. Code generation
3. Running pass 'Function Pass Manager' on module 'drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c'.
4. Running pass 'Mips Assembly Printer' on function '@mdss_hw_mask_irq'
#0 0x000056459b78eb3f Signals.cpp:0:0
#1 0x000056459b78ca8c llvm::sys::CleanupOnSignal(unsigned long) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3401a8c)
#2 0x000056459b6d0667 llvm::CrashRecoveryContext::HandleExit(int) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3345667)
#3 0x000056459b78513e llvm::sys::Process::Exit(int, bool) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x33fa13e)
#4 0x000056459940b33b (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x108033b)
#5 0x000056459b6d710c llvm::report_fatal_error(llvm::Twine const&, bool) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x334c10c)
#6 0x000056459c3b99b8 llvm::AsmPrinter::emitInlineAsm(llvm::MachineInstr const (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x402e9b8)
#7 0x000056459c3b5759 llvm::AsmPrinter::emitFunctionBody() (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x402a759)
#8 0x0000564599e6682e llvm::MipsAsmPrinter::runOnMachineFunction(llvm::MachineFunction&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x1adb82e)
#9 0x000056459aafd2fd llvm::MachineFunctionPass::runOnFunction(llvm::Function&) (.part.53) MachineFunctionPass.cpp:0:0
#10 0x000056459af35867 llvm::FPPassManager::runOnFunction(llvm::Function&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x2baa867)
#11 0x000056459af359e1 llvm::FPPassManager::runOnModule(llvm::Module&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x2baa9e1)
#12 0x000056459af36cbf llvm::legacy::PassManagerImpl::run(llvm::Module&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x2babcbf)
#13 0x000056459baa04fa clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream> >) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x37154fa)
#14 0x000056459c6cdea3 clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x4342ea3)
#15 0x000056459d1d1fd9 clang::ParseAST(clang::Sema&, bool, bool) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x4e46fd9)
#16 0x000056459c6cccff clang::CodeGenAction::ExecuteAction() (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x4341cff)
#17 0x000056459c0cc001 clang::FrontendAction::Execute() (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3d41001)
#18 0x000056459c063bda clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3cd8bda)
#19 0x000056459c19507b (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3e0a07b)
#20 0x000056459940c084 cc1_main(llvm::ArrayRef<char char (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x1081084)
#21 0x00005645994095cb ExecuteCC1Tool(llvm::SmallVectorImpl<char driver.cpp:0:0
#22 0x000056459bf00b15 void llvm::function_ref<void ()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> const::'lambda'()>(long) Job.cpp:0:0
#23 0x000056459b6d0523 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3345523)
#24 0x000056459bf0140e clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> const (.part.216) Job.cpp:0:0
#25 0x000056459bed7ee7 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3b4cee7)
#26 0x000056459bed88c7 clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command >&) const (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3b4d8c7)
#27 0x000056459bee2139 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command >&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3b57139)
#28 0x000056459933419f main (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0xfa919f)
#29 0x00007fd134c40d0a __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x26d0a)
#30 0x00005645994090ea _start (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x107e0ea)
clang-14: error: clang frontend command failed with exit code 70 (use -v to see invocation)
clang version 14.0.0 (git://gitmirror/llvm_project d5b6e30ed3acad794dd0aec400e617daffc6cc3d)
Target: mipsel-unknown-linux
Thread model: posix
InstalledDir: /opt/cross/clang-d5b6e30ed3/bin
clang-14: note: diagnostic msg:
Makefile arch drivers fs include kernel net nr_bisected scripts sound source usr
--
>> drivers/gpu/drm/msm/dp/dp_catalog.c:119:19: warning: unused function 'dp_read_p0'
static inline u32 dp_read_p0(struct dp_catalog_private
^
fatal error: error in backend: Nested variants found in inline asm string: '.if ( 0x00 ) != -1)) 0x00 ) != -1)) : ($( static struct ftrace_branch_data __attribute__((__aligned__(4))) __attribute__((__section__("_ftrace_branch"))) __if_trace = $( .func = __func__, .file = "arch/mips/include/asm/barrier.h", .line = 16, $); 0x00 ) != -1)) : $))) ) && ( (1 << 0) ); .set push; .set mips64r2; .rept 1; sync 0x00; .endr; .set pop; .else; ; .endif'
PLEASE submit a bug report to https://bugs.llvm.org/ and include the crash backtrace, preprocessed source, and associated run script.
Stack dump:
0. Program arguments: clang -Wp,-MMD,drivers/gpu/drm/msm/dp/.dp_catalog.o.d -nostdinc -isystem /opt/cross/clang-d5b6e30ed3/lib/clang/14.0.0/include -Iarch/mips/include -I./arch/mips/include/generated -Iinclude -I./include -Iarch/mips/include/uapi -I./arch/mips/include/generated/uapi -Iinclude/uapi -I./include/generated/uapi -include include/linux/compiler-version.h -include include/linux/kconfig.h -include include/linux/compiler_types.h -D__KERNEL__ -DVMLINUX_LOAD_ADDRESS=0xffffffff84000000 -DLINKER_LOAD_ADDRESS=0x84000000 -DDATAOFFSET=0 -Qunused-arguments -fmacro-prefix-map== -DKBUILD_EXTRA_WARN1 -Wall -Wundef -Werror=strict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common -fshort-wchar -fno-PIE -Werror=implicit-function-declaration -Werror=implicit-int -Werror=return-type -Wno-format-security -std=gnu89 --target=mipsel-linux -fintegrated-as -Werror=unknown-warning-option -mno-check-zero-division -mabi=32 -G 0 -mno-abicalls -fno-pic -pipe -msoft-float -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float -ffreestanding -EL -fno-stack-check -march=mips32 -Wa,--trap -DTOOLCHAIN_SUPPORTS_VIRT -Iarch/mips/include/asm/mach-au1x00 -Iarch/mips/include/asm/mach-generic -fno-asynchronous-unwind-tables -fno-delete-null-pointer-checks -Wno-frame-address -Wno-address-of-packed-member -O2 -Wframe-larger-than=1024 -fno-stack-protector -Wno-gnu -mno-global-merge -Wno-unused-but-set-variable -Wno-unused-const-variable -ftrivial-auto-var-init=pattern -fno-stack-clash-protection -pg -falign-functions=64 -Wdeclaration-after-statement -Wvla -Wno-pointer-sign -Wno-array-bounds -fno-strict-overflow -fno-stack-check -Werror=date-time -Werror=incompatible-pointer-types -Wextra -Wunused -Wno-unused-parameter -Wmissing-declarations -Wmissing-format-attribute -Wmissing-prototypes -Wold-style-definition -Wmissing-include-dirs -Wunused-but-set-variable -Wunused-const-variable -Wno-missing-field-initializers -Wno-sign-compare -Wno-type-limits -I drivers/gpu/drm/msm -I drivers/gpu/drm/msm/disp/dpu1 -I drivers/gpu/drm/msm/dp -fsanitize=array-bounds -fsanitize=unreachable -fsanitize=object-size -fsanitize=enum -fsanitize-coverage=trace-pc -I drivers/gpu/drm/msm -I ./drivers/gpu/drm/msm -ffunction-sections -fdata-sections -DKBUILD_MODFILE="drivers/gpu/drm/msm/msm" -DKBUILD_BASENAME="dp_catalog" -DKBUILD_MODNAME="msm" -D__KBUILD_MODNAME=kmod_msm -c -o drivers/gpu/drm/msm/dp/dp_catalog.o drivers/gpu/drm/msm/dp/dp_catalog.c
1. <eof> parser at end of file
2. Code generation
3. Running pass 'Function Pass Manager' on module 'drivers/gpu/drm/msm/dp/dp_catalog.c'.
4. Running pass 'Mips Assembly Printer' on function '@dp_catalog_aux_read_data'
#0 0x0000564ef7f1cb3f Signals.cpp:0:0
#1 0x0000564ef7f1aa8c llvm::sys::CleanupOnSignal(unsigned long) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3401a8c)
#2 0x0000564ef7e5e667 llvm::CrashRecoveryContext::HandleExit(int) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3345667)
#3 0x0000564ef7f1313e llvm::sys::Process::Exit(int, bool) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x33fa13e)
#4 0x0000564ef5b9933b (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x108033b)
#5 0x0000564ef7e6510c llvm::report_fatal_error(llvm::Twine const&, bool) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x334c10c)
#6 0x0000564ef8b479b8 llvm::AsmPrinter::emitInlineAsm(llvm::MachineInstr const (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x402e9b8)
#7 0x0000564ef8b43759 llvm::AsmPrinter::emitFunctionBody() (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x402a759)
#8 0x0000564ef65f482e llvm::MipsAsmPrinter::runOnMachineFunction(llvm::MachineFunction&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x1adb82e)
#9 0x0000564ef728b2fd llvm::MachineFunctionPass::runOnFunction(llvm::Function&) (.part.53) MachineFunctionPass.cpp:0:0
#10 0x0000564ef76c3867 llvm::FPPassManager::runOnFunction(llvm::Function&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x2baa867)
#11 0x0000564ef76c39e1 llvm::FPPassManager::runOnModule(llvm::Module&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x2baa9e1)
#12 0x0000564ef76c4cbf llvm::legacy::PassManagerImpl::run(llvm::Module&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x2babcbf)
#13 0x0000564ef822e4fa clang::EmitBackendOutput(clang::DiagnosticsEngine&, clang::HeaderSearchOptions const&, clang::CodeGenOptions const&, clang::TargetOptions const&, clang::LangOptions const&, llvm::StringRef, clang::BackendAction, std::unique_ptr<llvm::raw_pwrite_stream, std::default_delete<llvm::raw_pwrite_stream> >) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x37154fa)
#14 0x0000564ef8e5bea3 clang::BackendConsumer::HandleTranslationUnit(clang::ASTContext&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x4342ea3)
#15 0x0000564ef995ffd9 clang::ParseAST(clang::Sema&, bool, bool) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x4e46fd9)
#16 0x0000564ef8e5acff clang::CodeGenAction::ExecuteAction() (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x4341cff)
#17 0x0000564ef885a001 clang::FrontendAction::Execute() (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3d41001)
#18 0x0000564ef87f1bda clang::CompilerInstance::ExecuteAction(clang::FrontendAction&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3cd8bda)
#19 0x0000564ef892307b (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3e0a07b)
#20 0x0000564ef5b9a084 cc1_main(llvm::ArrayRef<char char (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x1081084)
#21 0x0000564ef5b975cb ExecuteCC1Tool(llvm::SmallVectorImpl<char driver.cpp:0:0
#22 0x0000564ef868eb15 void llvm::function_ref<void ()>::callback_fn<clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> const::'lambda'()>(long) Job.cpp:0:0
#23 0x0000564ef7e5e523 llvm::CrashRecoveryContext::RunSafely(llvm::function_ref<void ()>) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3345523)
#24 0x0000564ef868f40e clang::driver::CC1Command::Execute(llvm::ArrayRef<llvm::Optional<llvm::StringRef> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> const (.part.216) Job.cpp:0:0
#25 0x0000564ef8665ee7 clang::driver::Compilation::ExecuteCommand(clang::driver::Command const&, clang::driver::Command const (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3b4cee7)
#26 0x0000564ef86668c7 clang::driver::Compilation::ExecuteJobs(clang::driver::JobList const&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command >&) const (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3b4d8c7)
#27 0x0000564ef8670139 clang::driver::Driver::ExecuteCompilation(clang::driver::Compilation&, llvm::SmallVectorImpl<std::pair<int, clang::driver::Command >&) (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x3b57139)
#28 0x0000564ef5ac219f main (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0xfa919f)
#29 0x00007fcd5dcaad0a __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x26d0a)
#30 0x0000564ef5b970ea _start (/opt/cross/clang-d5b6e30ed3/bin/clang-14+0x107e0ea)
clang-14: error: clang frontend command failed with exit code 70 (use -v to see invocation)
clang version 14.0.0 (git://gitmirror/llvm_project d5b6e30ed3acad794dd0aec400e617daffc6cc3d)
Target: mipsel-unknown-linux
Thread model: posix
InstalledDir: /opt/cross/clang-d5b6e30ed3/bin
clang-14: note: diagnostic msg:
Makefile arch drivers fs include kernel net nr_bisected scripts sound source usr
vim +/mdss_write +31 drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c
990a40079a55b8 drivers/gpu/drm/msm/mdp/mdp5/mdp5_mdss.c Archit Taneja 2016-05-07 30
bc3220be22577e drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c Rajesh Yadav 2018-06-21 @31 static inline void mdss_write(struct mdp5_mdss *mdp5_mdss, u32 reg, u32 data)
990a40079a55b8 drivers/gpu/drm/msm/mdp/mdp5/mdp5_mdss.c Archit Taneja 2016-05-07 32 {
bc3220be22577e drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c Rajesh Yadav 2018-06-21 33 msm_writel(data, mdp5_mdss->mmio + reg);
990a40079a55b8 drivers/gpu/drm/msm/mdp/mdp5/mdp5_mdss.c Archit Taneja 2016-05-07 34 }
990a40079a55b8 drivers/gpu/drm/msm/mdp/mdp5/mdp5_mdss.c Archit Taneja 2016-05-07 35
:::::: The code at line 31 was first introduced by commit
:::::: bc3220be22577e199452edbb6a24a980a4ab5c73 drm/msm/mdp5: subclass msm_mdss for mdp5
:::::: TO: Rajesh Yadav <ryadav@codeaurora.org>
:::::: CC: Sean Paul <seanpaul@chromium.org>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
next reply other threads:[~2022-01-05 16:39 UTC|newest]
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2022-01-05 16:39 kernel test robot [this message]
2022-01-05 16:39 ` drivers/gpu/drm/msm/disp/mdp5/mdp5_mdss.c:31:20: warning: unused function 'mdss_write' kernel test robot
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2022-04-08 5:15 kernel test robot
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