tree: https://github.com/0day-ci/linux/commits/UPDATE-20200514-234943/Stanislav... head: 299fe22b95c5eec191b4fadb8c149ae6c5262f6c commit: 605fbe4b20bd78e247088acbe3b2d3a63f3960cd [6/7] drm/i915: Adjust CDCLK accordingly to our DBuf bw needs config: i386-randconfig-a013-20200515 (attached as .config) compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0 reproduce: git checkout 605fbe4b20bd78e247088acbe3b2d3a63f3960cd # save the attached .config to linux build tree make ARCH=i386 If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp(a)intel.com&gt; All errors (new ones prefixed by >>, old ones prefixed by <<): drivers/gpu/drm/i915/display/intel_display.c: In function 'intel_atomic_check_planes': drivers/gpu/drm/i915/display/intel_display.c:14695:2: error: 'new_cdclk_state' undeclared (first use in this function); did you mean 'intel_cdclk_state'? new_cdclk_state = intel_atomic_get_new_cdclk_state(state); ^~~~~~~~~~~~~~~ intel_cdclk_state drivers/gpu/drm/i915/display/intel_display.c:14695:2: note: each undeclared identifier is reported only once for each function it appears in drivers/gpu/drm/i915/display/intel_display.c:14698:4: error: 'need_cdclk_calc' undeclared (first use in this function); did you mean 'intel_cdclk_vals'? *need_cdclk_calc = true; ^~~~~~~~~~~~~~~ intel_cdclk_vals In file included from include/linux/list.h:9:0, from include/linux/kobject.h:19, from include/linux/of.h:17, from include/linux/irqdomain.h:35, from include/linux/acpi.h:13, from include/linux/i2c.h:13, from drivers/gpu/drm/i915/display/intel_display.c:27: include/linux/kernel.h:866:2: error: first argument to '__builtin_choose_expr' not a constant __builtin_choose_expr(__safe_cmp(x, y), ^ include/linux/kernel.h:882:19: note: in expansion of macro '__careful_cmp' #define max(x, y) __careful_cmp(x, y, >) ^~~~~~~~~~~~~ drivers/gpu/drm/i915/display/intel_display.c:14711:15: note: in expansion of macro 'max' min_cdclk = max(new_cdclk_state->min_cdclk[crtc->pipe], min_cdclk); ^~~ drivers/gpu/drm/i915/display/intel_display.c: In function 'intel_atomic_check_cdclk': struct intel_crtc *crtc; ^~~~ struct intel_crtc_state *new_crtc_state; ^~~~~~~~~~~~~~ struct intel_cdclk_state *new_cdclk_state; ^~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/crtc +14736 drivers/gpu/drm/i915/display/intel_display.c 14726 14727 static int intel_atomic_check_cdclk(struct intel_atomic_state *state, 14728 bool *need_cdclk_calc) 14729 { 14730 int i; 14731 struct intel_plane_state *plane_state; 14732 struct intel_plane *plane; 14733 int ret; 14734 struct intel_cdclk_state *new_cdclk_state; 14735 struct intel_crtc_state *new_crtc_state; 14736 struct intel_crtc *crtc; 14737 /* 14738 * active_planes bitmask has been updated, and potentially 14739 * affected planes are part of the state. We can now 14740 * compute the minimum cdclk for each plane. 14741 */ 14742 for_each_new_intel_plane_in_state(state, plane, plane_state, i) { 14743 ret = intel_plane_calc_min_cdclk(state, plane, need_cdclk_calc); 14744 if (ret) 14745 return ret; 14746 } 14747 14748 return 0; 14749 } 14750 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org