Hi Imre, First bad commit (maybe != root cause): tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 20af1ca418d2c0b11bc2a1fe8c0c88f67bcc2a7e commit: 91888b5b1ad2fda3f4c6b8de5dd42dbe8b90ac2c [10266/10830] drm/i915/dp: Add support for DP tunnel BW allocation config: i386-allmodconfig (https://download.01.org/0day-ci/archive/20240228/202402281921.GR4Yw253-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240228/202402281921.GR4Yw253-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202402281921.GR4Yw253-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> drivers/gpu/drm/display/drm_dp_tunnel.c:447: warning: Function parameter or struct member 'tunnel' not described in 'drm_dp_tunnel_put' >> drivers/gpu/drm/display/drm_dp_tunnel.c:447: warning: Function parameter or struct member 'tracker' not described in 'drm_dp_tunnel_put' >> drivers/gpu/drm/display/drm_dp_tunnel.c:1185: warning: expecting prototype for drm_dp_tunnel_atomic_get_allocated_bw(). Prototype was for drm_dp_tunnel_get_allocated_bw() instead >> drivers/gpu/drm/display/drm_dp_tunnel.c:1903: warning: Function parameter or struct member 'max_group_count' not described in 'drm_dp_tunnel_mgr_create' vim +1185 drivers/gpu/drm/display/drm_dp_tunnel.c 295654f7e554a9 Imre Deak 2024-02-26 1171 295654f7e554a9 Imre Deak 2024-02-26 1172 /** 295654f7e554a9 Imre Deak 2024-02-26 1173 * drm_dp_tunnel_atomic_get_allocated_bw - Get the BW allocated for a DP tunnel 295654f7e554a9 Imre Deak 2024-02-26 1174 * @tunnel: Tunnel object 295654f7e554a9 Imre Deak 2024-02-26 1175 * 295654f7e554a9 Imre Deak 2024-02-26 1176 * Get the current BW allocated for @tunnel. After the tunnel is created / 295654f7e554a9 Imre Deak 2024-02-26 1177 * resumed and the BW allocation mode is enabled for it, the allocation 295654f7e554a9 Imre Deak 2024-02-26 1178 * becomes determined only after the first allocation request by the driver 295654f7e554a9 Imre Deak 2024-02-26 1179 * calling drm_dp_tunnel_alloc_bw(). 295654f7e554a9 Imre Deak 2024-02-26 1180 * 295654f7e554a9 Imre Deak 2024-02-26 1181 * Return the BW allocated for the tunnel, or -1 if the allocation is 295654f7e554a9 Imre Deak 2024-02-26 1182 * undetermined. 295654f7e554a9 Imre Deak 2024-02-26 1183 */ 295654f7e554a9 Imre Deak 2024-02-26 1184 int drm_dp_tunnel_get_allocated_bw(struct drm_dp_tunnel *tunnel) 295654f7e554a9 Imre Deak 2024-02-26 @1185 { 295654f7e554a9 Imre Deak 2024-02-26 1186 return tunnel->allocated_bw; 295654f7e554a9 Imre Deak 2024-02-26 1187 } 295654f7e554a9 Imre Deak 2024-02-26 1188 EXPORT_SYMBOL(drm_dp_tunnel_get_allocated_bw); 295654f7e554a9 Imre Deak 2024-02-26 1189 :::::: The code at line 1185 was first introduced by commit :::::: 295654f7e554a9f089bdab0b2bb9a9aad7c402c0 drm/dp: Add support for DP tunneling :::::: TO: Imre Deak <imre.deak@xxxxxxxxx> :::::: CC: Imre Deak <imre.deak@xxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
