[kbuild-all] [chrome-os:chromeos-5.4 37/37] drivers/gpu/arm/valhall/mali_kbase_fence.c:78:1: warning: no previous prototype for 'kbase_fence_wait_workaround'

tree: https://chromium.googlesource.com/chromiumos/third_party/kernel chromeos-5.4 head: f293567065ecf09292c991d18f8fb2c884a16180 commit: f293567065ecf09292c991d18f8fb2c884a16180 [37/37] CHROMIUM: MALI: Set short timeout for kbase DMA fence config: arm64-allyesconfig (attached as .config) compiler: aarch64-linux-gcc (GCC) 9.3.0 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 git remote add chrome-os https://chromium.googlesource.com/chromiumos/third_party/kernel git fetch --no-tags chrome-os chromeos-5.4 git checkout f293567065ecf09292c991d18f8fb2c884a16180 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross W=1 ARCH=arm64 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): 78 | kbase_fence_wait_workaround(struct dma_fence *fence, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/arm/valhall/mali_kbase_defs.h:37, from drivers/gpu/arm/valhall/mali_kbase.h:57, from drivers/gpu/arm/valhall/mali_kbase_fence.h:36, from drivers/gpu/arm/valhall/mali_kbase_fence.c:27: drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:625:33: warning: 'base_hw_issues_model_tE2x' defined but not used [-Wunused-const-variable=] 625 | static const enum base_hw_issue base_hw_issues_model_tE2x[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:615:33: warning: 'base_hw_issues_tE2x_r0p0' defined but not used [-Wunused-const-variable=] 615 | static const enum base_hw_issue base_hw_issues_tE2x_r0p0[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:607:33: warning: 'base_hw_issues_model_tTUx' defined but not used [-Wunused-const-variable=] 607 | static const enum base_hw_issue base_hw_issues_model_tTUx[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:600:33: warning: 'base_hw_issues_tTUx_r0p0' defined but not used [-Wunused-const-variable=] 600 | static const enum base_hw_issue base_hw_issues_tTUx_r0p0[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:592:33: warning: 'base_hw_issues_model_tVAx' defined but not used [-Wunused-const-variable=] 592 | static const enum base_hw_issue base_hw_issues_model_tVAx[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:585:33: warning: 'base_hw_issues_tVAx_r0p0' defined but not used [-Wunused-const-variable=] 585 | static const enum base_hw_issue base_hw_issues_tVAx_r0p0[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:577:33: warning: 'base_hw_issues_model_tGRx' defined but not used [-Wunused-const-variable=] 577 | static const enum base_hw_issue base_hw_issues_model_tGRx[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:570:33: warning: 'base_hw_issues_tGRx_r0p0' defined but not used [-Wunused-const-variable=] 570 | static const enum base_hw_issue base_hw_issues_tGRx_r0p0[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:562:33: warning: 'base_hw_issues_model_tODx' defined but not used [-Wunused-const-variable=] 562 | static const enum base_hw_issue base_hw_issues_model_tODx[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:555:33: warning: 'base_hw_issues_tODx_r0p0' defined but not used [-Wunused-const-variable=] 555 | static const enum base_hw_issue base_hw_issues_tODx_r0p0[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:545:33: warning: 'base_hw_issues_model_tDUx' defined but not used [-Wunused-const-variable=] 545 | static const enum base_hw_issue base_hw_issues_model_tDUx[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:535:33: warning: 'base_hw_issues_tDUx_r0p0' defined but not used [-Wunused-const-variable=] 535 | static const enum base_hw_issue base_hw_issues_tDUx_r0p0[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:522:33: warning: 'base_hw_issues_lBEx_r1p1' defined but not used [-Wunused-const-variable=] 522 | static const enum base_hw_issue base_hw_issues_lBEx_r1p1[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:508:33: warning: 'base_hw_issues_lBEx_r1p0' defined but not used [-Wunused-const-variable=] 508 | static const enum base_hw_issue base_hw_issues_lBEx_r1p0[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:496:33: warning: 'base_hw_issues_model_tBEx' defined but not used [-Wunused-const-variable=] 496 | static const enum base_hw_issue base_hw_issues_model_tBEx[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:483:33: warning: 'base_hw_issues_tBEx_r1p1' defined but not used [-Wunused-const-variable=] 483 | static const enum base_hw_issue base_hw_issues_tBEx_r1p1[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:470:33: warning: 'base_hw_issues_tBEx_r1p0' defined but not used [-Wunused-const-variable=] 470 | static const enum base_hw_issue base_hw_issues_tBEx_r1p0[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:457:33: warning: 'base_hw_issues_tBEx_r0p1' defined but not used [-Wunused-const-variable=] 457 | static const enum base_hw_issue base_hw_issues_tBEx_r0p1[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:443:33: warning: 'base_hw_issues_tBEx_r0p0' defined but not used [-Wunused-const-variable=] 443 | static const enum base_hw_issue base_hw_issues_tBEx_r0p0[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:431:33: warning: 'base_hw_issues_model_tNAx' defined but not used [-Wunused-const-variable=] 431 | static const enum base_hw_issue base_hw_issues_model_tNAx[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:416:33: warning: 'base_hw_issues_tNAx_r0p1' defined but not used [-Wunused-const-variable=] 416 | static const enum base_hw_issue base_hw_issues_tNAx_r0p1[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:400:33: warning: 'base_hw_issues_tNAx_r0p0' defined but not used [-Wunused-const-variable=] 400 | static const enum base_hw_issue base_hw_issues_tNAx_r0p0[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:388:33: warning: 'base_hw_issues_model_tTRx' defined but not used [-Wunused-const-variable=] 388 | static const enum base_hw_issue base_hw_issues_model_tTRx[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:373:33: warning: 'base_hw_issues_tTRx_r0p2' defined but not used [-Wunused-const-variable=] 373 | static const enum base_hw_issue base_hw_issues_tTRx_r0p2[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:357:33: warning: 'base_hw_issues_tTRx_r0p1' defined but not used [-Wunused-const-variable=] 357 | static const enum base_hw_issue base_hw_issues_tTRx_r0p1[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:341:33: warning: 'base_hw_issues_tTRx_r0p0' defined but not used [-Wunused-const-variable=] 341 | static const enum base_hw_issue base_hw_issues_tTRx_r0p0[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:331:33: warning: 'base_hw_issues_model_tGOx' defined but not used [-Wunused-const-variable=] 331 | static const enum base_hw_issue base_hw_issues_model_tGOx[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:319:33: warning: 'base_hw_issues_tGOx_r1p0' defined but not used [-Wunused-const-variable=] 319 | static const enum base_hw_issue base_hw_issues_tGOx_r1p0[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:307:33: warning: 'base_hw_issues_tGOx_r0p0' defined but not used [-Wunused-const-variable=] 307 | static const enum base_hw_issue base_hw_issues_tGOx_r0p0[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:297:33: warning: 'base_hw_issues_model_tNOx' defined but not used [-Wunused-const-variable=] 297 | static const enum base_hw_issue base_hw_issues_model_tNOx[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:285:33: warning: 'base_hw_issues_tNOx_r0p0' defined but not used [-Wunused-const-variable=] 285 | static const enum base_hw_issue base_hw_issues_tNOx_r0p0[] = { | ^~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/arm/valhall/mali_base_hwconfig_issues.h:275:33: warning: 'base_hw_issues_model_tDVx' defined but not used [-Wunused-const-variable=] vim +/kbase_fence_wait_workaround +78 drivers/gpu/arm/valhall/mali_kbase_fence.c 76 77 signed long 79 bool intr, 80 signed long timeout) 81 { 82 /* TODO(fshao): b:175656896: sometimes the screen hangs because the DMA 83 * fences don't get signaled, which triggers system reboot in the end. 84 * 85 * This is a workaround to shorten the wait time of the fence, so the 86 * screen can recover from hanging when the issue happens. 87 * 88 * To properly address this issue we need to first find out which 89 * component is responsible for signaling the Mali DMA fences, but 90 * unfortunately there's no easy way to do that AFAIK. 91 */ 92 signed long ret; 93 94 ret = dma_fence_default_wait(fence, intr, msecs_to_jiffies(100)); 95 if (ret == 0) 96 pr_err("%s: dma fence wait timed out.", __func__); 97 return ret; 98 } 99 --- 0-DAY CI Kernel Test Service, 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