Hi Anusha, [auto build test ERROR on drm/drm-next] [also build test ERROR on v4.8-rc1 next-20160812] [if your patch is applied to the wrong git tree, please drop us a note to help improve the system] url: https://github.com/0day-ci/linux/commits/Anusha-Srivatsa/drm-i915-mst-Validate-modes-against-available-link-bandwidth/20160813-050818 base: git://people.freedesktop.org/~airlied/linux.git drm-next config: i386-randconfig-x014-201632 (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 Note: the linux-review/Anusha-Srivatsa/drm-i915-mst-Validate-modes-against-available-link-bandwidth/20160813-050818 HEAD 413b1bb45dc2c58540a17c5ca642b6aee2c97405 builds fine. It only hurts bisectibility. All errors (new ones prefixed by >>): drivers/gpu/drm/i915/intel_dp_mst.c: In function 'intel_dp_mst_mode_valid': >> drivers/gpu/drm/i915/intel_dp_mst.c:363:14: error: implicit declaration of function 'drm_dp_mst_get_avail_pbn' [-Werror=implicit-function-declaration] avail_pbn = drm_dp_mst_get_avail_pbn(mgr, port); ^~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors vim +/drm_dp_mst_get_avail_pbn +363 drivers/gpu/drm/i915/intel_dp_mst.c 357 struct intel_connector *intel_connector = to_intel_connector(connector); 358 struct intel_dp *intel_dp = intel_connector->mst_port; 359 struct drm_dp_mst_topology_mgr *mgr = &intel_dp->mst_mgr; 360 struct drm_dp_mst_port *port = (struct drm_dp_mst_port *) (intel_connector->port); 361 int max_dotclk = to_i915(connector->dev)->max_dotclk_freq; 362 > 363 avail_pbn = drm_dp_mst_get_avail_pbn(mgr, port); 364 req_pbn = drm_dp_calc_pbn_mode(mode->clock, 24); 365 if (req_pbn > avail_pbn) 366 return MODE_H_ILLEGAL; --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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