Hi Tejas, Thank you for the patch! Yet something to improve: [auto build test ERROR on drm-intel/for-linux-next] [also build test ERROR on drm-tip/drm-tip linus/master v5.13-rc3 next-20210525] [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/Tejas-Upadhyay/drm-i915-gt-Introduce-timeslicing-for-userspace/20210525-221509 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: i386-randconfig-r005-20210525 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://github.com/0day-ci/linux/commit/f2b7eecbbed425bfed1aea378181b5629bbcb34f git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Tejas-Upadhyay/drm-i915-gt-Introduce-timeslicing-for-userspace/20210525-221509 git checkout f2b7eecbbed425bfed1aea378181b5629bbcb34f # save the attached .config to linux build tree make W=1 ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): In file included from include/linux/kernel.h:13, from include/linux/list.h:9, from drivers/gpu/drm/i915/gt/intel_engine_user.c:6: drivers/gpu/drm/i915/gt/intel_engine_user.c: In function 'set_scheduler_caps': >> drivers/gpu/drm/i915/gt/intel_engine_user.c:97:27: error: 'I915_ENGINE_TIMESLICE_BIT' undeclared (first use in this function); did you mean 'I915_ENGINE_HAS_TIMESLICES'? 97 | #define MAP(x, y) { ilog2(I915_ENGINE_##x), ilog2(I915_SCHEDULER_CAP_##y) } | ^~~~~~~~~~~~ include/linux/log2.h:158:23: note: in definition of macro 'ilog2' 158 | __builtin_constant_p(n) ? \ | ^ drivers/gpu/drm/i915/gt/intel_engine_user.c:101:3: note: in expansion of macro 'MAP' 101 | MAP(TIMESLICE_BIT, TIMESLICING), | ^~~ drivers/gpu/drm/i915/gt/intel_engine_user.c:97:27: note: each undeclared identifier is reported only once for each function it appears in 97 | #define MAP(x, y) { ilog2(I915_ENGINE_##x), ilog2(I915_SCHEDULER_CAP_##y) } | ^~~~~~~~~~~~ include/linux/log2.h:158:23: note: in definition of macro 'ilog2' 158 | __builtin_constant_p(n) ? \ | ^ drivers/gpu/drm/i915/gt/intel_engine_user.c:101:3: note: in expansion of macro 'MAP' 101 | MAP(TIMESLICE_BIT, TIMESLICING), | ^~~ vim +97 drivers/gpu/drm/i915/gt/intel_engine_user.c 750e76b4f9f63c Chris Wilson 2019-08-06 90 750e76b4f9f63c Chris Wilson 2019-08-06 91 static void set_scheduler_caps(struct drm_i915_private *i915) 750e76b4f9f63c Chris Wilson 2019-08-06 92 { 750e76b4f9f63c Chris Wilson 2019-08-06 93 static const struct { 750e76b4f9f63c Chris Wilson 2019-08-06 94 u8 engine; 750e76b4f9f63c Chris Wilson 2019-08-06 95 u8 sched; 750e76b4f9f63c Chris Wilson 2019-08-06 96 } map[] = { 750e76b4f9f63c Chris Wilson 2019-08-06 @97 #define MAP(x, y) { ilog2(I915_ENGINE_##x), ilog2(I915_SCHEDULER_CAP_##y) } 750e76b4f9f63c Chris Wilson 2019-08-06 98 MAP(HAS_PREEMPTION, PREEMPTION), 750e76b4f9f63c Chris Wilson 2019-08-06 99 MAP(HAS_SEMAPHORES, SEMAPHORES), 750e76b4f9f63c Chris Wilson 2019-08-06 100 MAP(SUPPORTS_STATS, ENGINE_BUSY_STATS), f2b7eecbbed425 Tejas Upadhyay 2021-05-25 101 MAP(TIMESLICE_BIT, TIMESLICING), 750e76b4f9f63c Chris Wilson 2019-08-06 102 #undef MAP 750e76b4f9f63c Chris Wilson 2019-08-06 103 }; 750e76b4f9f63c Chris Wilson 2019-08-06 104 struct intel_engine_cs *engine; 750e76b4f9f63c Chris Wilson 2019-08-06 105 u32 enabled, disabled; 750e76b4f9f63c Chris Wilson 2019-08-06 106 750e76b4f9f63c Chris Wilson 2019-08-06 107 enabled = 0; 750e76b4f9f63c Chris Wilson 2019-08-06 108 disabled = 0; 750e76b4f9f63c Chris Wilson 2019-08-06 109 for_each_uabi_engine(engine, i915) { /* all engines must agree! */ 750e76b4f9f63c Chris Wilson 2019-08-06 110 int i; 750e76b4f9f63c Chris Wilson 2019-08-06 111 750e76b4f9f63c Chris Wilson 2019-08-06 112 if (engine->schedule) 750e76b4f9f63c Chris Wilson 2019-08-06 113 enabled |= (I915_SCHEDULER_CAP_ENABLED | 750e76b4f9f63c Chris Wilson 2019-08-06 114 I915_SCHEDULER_CAP_PRIORITY); 750e76b4f9f63c Chris Wilson 2019-08-06 115 else 750e76b4f9f63c Chris Wilson 2019-08-06 116 disabled |= (I915_SCHEDULER_CAP_ENABLED | 750e76b4f9f63c Chris Wilson 2019-08-06 117 I915_SCHEDULER_CAP_PRIORITY); 750e76b4f9f63c Chris Wilson 2019-08-06 118 750e76b4f9f63c Chris Wilson 2019-08-06 119 for (i = 0; i < ARRAY_SIZE(map); i++) { 750e76b4f9f63c Chris Wilson 2019-08-06 120 if (engine->flags & BIT(map[i].engine)) 750e76b4f9f63c Chris Wilson 2019-08-06 121 enabled |= BIT(map[i].sched); 750e76b4f9f63c Chris Wilson 2019-08-06 122 else 750e76b4f9f63c Chris Wilson 2019-08-06 123 disabled |= BIT(map[i].sched); 750e76b4f9f63c Chris Wilson 2019-08-06 124 } 750e76b4f9f63c Chris Wilson 2019-08-06 125 } 750e76b4f9f63c Chris Wilson 2019-08-06 126 750e76b4f9f63c Chris Wilson 2019-08-06 127 i915->caps.scheduler = enabled & ~disabled; 750e76b4f9f63c Chris Wilson 2019-08-06 128 if (!(i915->caps.scheduler & I915_SCHEDULER_CAP_ENABLED)) 750e76b4f9f63c Chris Wilson 2019-08-06 129 i915->caps.scheduler = 0; 750e76b4f9f63c Chris Wilson 2019-08-06 130 } 750e76b4f9f63c Chris Wilson 2019-08-06 131 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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