Hi Tom, [auto build test WARNING on drm-intel/for-linux-next] [also build test WARNING on v4.8-rc3 next-20160819] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] [Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on] [Check https://git-scm.com/docs/git-format-patch for more information] url: https://github.com/0day-ci/linux/commits/Sagar-Arun-Kamble/drm-i915-slpc-Enable-SLPC-in-guc-if-supported/20160820-132618 base: git://anongit.freedesktop.org/drm-intel for-linux-next config: i386-randconfig-x009-201633 (attached as .config) compiler: gcc-6 (Debian 6.1.1-9) 6.1.1 20160705 reproduce: # save the attached .config to linux build tree make ARCH=i386 All warnings (new ones prefixed by >>): In file included from include/uapi/linux/stddef.h:1:0, from include/linux/stddef.h:4, from include/uapi/linux/posix_types.h:4, from include/uapi/linux/types.h:13, from include/linux/types.h:5, from include/linux/firmware.h:4, from drivers/gpu/drm/i915/intel_guc_loader.c:29: drivers/gpu/drm/i915/intel_guc_loader.c: In function 'set_guc_init_params': drivers/gpu/drm/i915/intel_guc_loader.c:178:6: error: implicit declaration of function 'intel_slpc_enabled' [-Werror=implicit-function-declaration] if (intel_slpc_enabled()) ^ include/linux/compiler.h:151:30: note: in definition of macro '__trace_if' if (__builtin_constant_p(!!(cond)) ? !!(cond) : \ ^~~~ >> drivers/gpu/drm/i915/intel_guc_loader.c:178:2: note: in expansion of macro 'if' if (intel_slpc_enabled()) ^~ cc1: some warnings being treated as errors vim +/if +178 drivers/gpu/drm/i915/intel_guc_loader.c 162 (get_gttype(dev_priv) << GUC_CTL_GTTYPE_SHIFT) | 163 (get_core_family(dev_priv) << GUC_CTL_COREFAMILY_SHIFT); 164 165 /* 166 * GuC ARAT increment is 10 ns. GuC default scheduler quantum is one 167 * second. This ARAR is calculated by: 168 * Scheduler-Quantum-in-ns / ARAT-increment-in-ns = 1000000000 / 10 169 */ 170 params[GUC_CTL_ARAT_HIGH] = 0; 171 params[GUC_CTL_ARAT_LOW] = 100000000; 172 173 params[GUC_CTL_WA] |= GUC_CTL_WA_UK_BY_DRIVER; 174 175 params[GUC_CTL_FEATURE] |= GUC_CTL_DISABLE_SCHEDULER | 176 GUC_CTL_VCS2_ENABLED; 177 > 178 if (intel_slpc_enabled()) 179 params[GUC_CTL_FEATURE] |= GUC_CTL_ENABLE_SLPC; 180 181 if (i915.guc_log_level >= 0) { 182 params[GUC_CTL_LOG_PARAMS] = guc->log_flags; 183 params[GUC_CTL_DEBUG] = 184 i915.guc_log_level << GUC_LOG_VERBOSITY_SHIFT; 185 } 186 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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