tree: git://people.freedesktop.org/~airlied/linux.git i915-uncore-vfunc head: b42168f90718a955550b11f2d52306d9aeaa9468 commit: 99aebd17891290abfca80c48eca01f4e02413fb3 [30/31] drm/i915/uncore: constify the register vtables. config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): git remote add drm git://people.freedesktop.org/~airlied/linux.git git fetch --no-tags drm i915-uncore-vfunc git checkout 99aebd17891290abfca80c48eca01f4e02413fb3 # 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 All errors (new ones prefixed by >>): In file included from drivers/gpu/drm/i915/intel_uncore.c:2630: drivers/gpu/drm/i915/selftests/mock_uncore.c: In function 'mock_uncore_init': >> drivers/gpu/drm/i915/selftests/mock_uncore.c:47:2: error: implicit declaration of function 'ASSIGN_RAW_WRITE_MMIO_VFUNCS'; did you mean 'MMIO_RAW_WRITE_VFUNCS'? [-Werror=implicit-function-declaration] 47 | ASSIGN_RAW_WRITE_MMIO_VFUNCS(uncore, nop); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ | MMIO_RAW_WRITE_VFUNCS >> drivers/gpu/drm/i915/selftests/mock_uncore.c:47:39: error: 'nop' undeclared (first use in this function); did you mean 'nopv'? 47 | ASSIGN_RAW_WRITE_MMIO_VFUNCS(uncore, nop); | ^~~ | nopv drivers/gpu/drm/i915/selftests/mock_uncore.c:47:39: note: each undeclared identifier is reported only once for each function it appears in >> drivers/gpu/drm/i915/selftests/mock_uncore.c:48:2: error: implicit declaration of function 'ASSIGN_RAW_READ_MMIO_VFUNCS' [-Werror=implicit-function-declaration] 48 | ASSIGN_RAW_READ_MMIO_VFUNCS(uncore, nop); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~ At top level: >> drivers/gpu/drm/i915/selftests/mock_uncore.c:36:1: error: 'nop_read64' defined but not used [-Werror=unused-function] 36 | nop_read##x(struct intel_uncore *uncore, i915_reg_t reg, bool trace) { return 0; } | ^~~~~~~~ drivers/gpu/drm/i915/selftests/mock_uncore.c:36:1: note: in definition of macro '__nop_read' 36 | nop_read##x(struct intel_uncore *uncore, i915_reg_t reg, bool trace) { return 0; } | ^~~~~~~~ >> drivers/gpu/drm/i915/selftests/mock_uncore.c:36:1: error: 'nop_read32' defined but not used [-Werror=unused-function] 36 | nop_read##x(struct intel_uncore *uncore, i915_reg_t reg, bool trace) { return 0; } | ^~~~~~~~ drivers/gpu/drm/i915/selftests/mock_uncore.c:36:1: note: in definition of macro '__nop_read' 36 | nop_read##x(struct intel_uncore *uncore, i915_reg_t reg, bool trace) { return 0; } | ^~~~~~~~ >> drivers/gpu/drm/i915/selftests/mock_uncore.c:36:1: error: 'nop_read16' defined but not used [-Werror=unused-function] 36 | nop_read##x(struct intel_uncore *uncore, i915_reg_t reg, bool trace) { return 0; } | ^~~~~~~~ drivers/gpu/drm/i915/selftests/mock_uncore.c:36:1: note: in definition of macro '__nop_read' 36 | nop_read##x(struct intel_uncore *uncore, i915_reg_t reg, bool trace) { return 0; } | ^~~~~~~~ >> drivers/gpu/drm/i915/selftests/mock_uncore.c:36:1: error: 'nop_read8' defined but not used [-Werror=unused-function] 36 | nop_read##x(struct intel_uncore *uncore, i915_reg_t reg, bool trace) { return 0; } | ^~~~~~~~ drivers/gpu/drm/i915/selftests/mock_uncore.c:36:1: note: in definition of macro '__nop_read' 36 | nop_read##x(struct intel_uncore *uncore, i915_reg_t reg, bool trace) { return 0; } | ^~~~~~~~ >> drivers/gpu/drm/i915/selftests/mock_uncore.c:29:1: error: 'nop_write32' defined but not used [-Werror=unused-function] 29 | nop_write##x(struct intel_uncore *uncore, i915_reg_t reg, u##x val, bool trace) { } | ^~~~~~~~~ drivers/gpu/drm/i915/selftests/mock_uncore.c:29:1: note: in definition of macro '__nop_write' 29 | nop_write##x(struct intel_uncore *uncore, i915_reg_t reg, u##x val, bool trace) { } | ^~~~~~~~~ >> drivers/gpu/drm/i915/selftests/mock_uncore.c:29:1: error: 'nop_write16' defined but not used [-Werror=unused-function] 29 | nop_write##x(struct intel_uncore *uncore, i915_reg_t reg, u##x val, bool trace) { } | ^~~~~~~~~ drivers/gpu/drm/i915/selftests/mock_uncore.c:29:1: note: in definition of macro '__nop_write' 29 | nop_write##x(struct intel_uncore *uncore, i915_reg_t reg, u##x val, bool trace) { } | ^~~~~~~~~ >> drivers/gpu/drm/i915/selftests/mock_uncore.c:29:1: error: 'nop_write8' defined but not used [-Werror=unused-function] 29 | nop_write##x(struct intel_uncore *uncore, i915_reg_t reg, u##x val, bool trace) { } | ^~~~~~~~~ drivers/gpu/drm/i915/selftests/mock_uncore.c:29:1: note: in definition of macro '__nop_write' 29 | nop_write##x(struct intel_uncore *uncore, i915_reg_t reg, u##x val, bool trace) { } | ^~~~~~~~~ cc1: all warnings being treated as errors vim +47 drivers/gpu/drm/i915/selftests/mock_uncore.c 0757ac8fc7c1da Chris Wilson 2017-04-12 26 0757ac8fc7c1da Chris Wilson 2017-04-12 27 #define __nop_write(x) \ 0757ac8fc7c1da Chris Wilson 2017-04-12 28 static void \ a2b4abfc626b13 Daniele Ceraolo Spurio 2019-03-25 @29 nop_write##x(struct intel_uncore *uncore, i915_reg_t reg, u##x val, bool trace) { } 0757ac8fc7c1da Chris Wilson 2017-04-12 30 __nop_write(8) 0757ac8fc7c1da Chris Wilson 2017-04-12 31 __nop_write(16) 0757ac8fc7c1da Chris Wilson 2017-04-12 32 __nop_write(32) 0757ac8fc7c1da Chris Wilson 2017-04-12 33 0757ac8fc7c1da Chris Wilson 2017-04-12 34 #define __nop_read(x) \ 0757ac8fc7c1da Chris Wilson 2017-04-12 35 static u##x \ a2b4abfc626b13 Daniele Ceraolo Spurio 2019-03-25 @36 nop_read##x(struct intel_uncore *uncore, i915_reg_t reg, bool trace) { return 0; } 0757ac8fc7c1da Chris Wilson 2017-04-12 37 __nop_read(8) 0757ac8fc7c1da Chris Wilson 2017-04-12 38 __nop_read(16) 0757ac8fc7c1da Chris Wilson 2017-04-12 39 __nop_read(32) 0757ac8fc7c1da Chris Wilson 2017-04-12 40 __nop_read(64) 0757ac8fc7c1da Chris Wilson 2017-04-12 41 d14a701b007063 Chris Wilson 2019-10-08 42 void mock_uncore_init(struct intel_uncore *uncore, d14a701b007063 Chris Wilson 2019-10-08 43 struct drm_i915_private *i915) 0757ac8fc7c1da Chris Wilson 2017-04-12 44 { d14a701b007063 Chris Wilson 2019-10-08 45 intel_uncore_init_early(uncore, i915); d14a701b007063 Chris Wilson 2019-10-08 46 ccb2aceaaa5f92 Daniele Ceraolo Spurio 2019-06-19 @47 ASSIGN_RAW_WRITE_MMIO_VFUNCS(uncore, nop); ccb2aceaaa5f92 Daniele Ceraolo Spurio 2019-06-19 @48 ASSIGN_RAW_READ_MMIO_VFUNCS(uncore, nop); :::::: The code at line 47 was first introduced by commit :::::: ccb2aceaaa5f9267ef7b485b41ae9be3f04b50d3 drm/i915: use vfuncs for reg_read/write_fw_domains :::::: TO: Daniele Ceraolo Spurio :::::: CC: Tvrtko Ursulin --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org