tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: d3134eb5de8546a214c028fb7195e764b89da7d4 commit: 028a998c62f72cb879d44809cb96acdcc47d6137 [3984/7405] drm/amd/display: Defer LUT memory powerdown until LUT bypass latches config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=028a998c62f72cb879d44809cb96acdcc47d6137 git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout 028a998c62f72cb879d44809cb96acdcc47d6137 # 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 <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_dpp.c:44:6: error: no previous prototype for 'dpp30_read_state' [-Werror=missing-prototypes] 44 | void dpp30_read_state(struct dpp *dpp_base, | ^~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_dpp.c:376:6: error: no previous prototype for 'dpp3_get_optimal_number_of_taps' [-Werror=missing-prototypes] 376 | bool dpp3_get_optimal_number_of_taps( | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_dpp.c:477:6: error: no previous prototype for 'dpp3_cnv_set_bias_scale' [-Werror=missing-prototypes] 477 | void dpp3_cnv_set_bias_scale( | ^~~~~~~~~~~~~~~~~~~~~~~ >> drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_dpp.c:491:6: error: no previous prototype for 'dpp3_deferred_update' [-Werror=missing-prototypes] 491 | void dpp3_deferred_update( | ^~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_dpp.c:740:6: error: no previous prototype for 'dpp3_program_blnd_lut' [-Werror=missing-prototypes] 740 | bool dpp3_program_blnd_lut( | ^~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_dpp.c:1153:6: error: no previous prototype for 'dpp3_program_shaper' [-Werror=missing-prototypes] 1153 | bool dpp3_program_shaper( | ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_dpp.c:1344:6: error: no previous prototype for 'dpp3_program_3dlut' [-Werror=missing-prototypes] 1344 | bool dpp3_program_3dlut( | ^~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors vim +/dpp3_deferred_update +491 drivers/gpu/drm/amd/amdgpu/../display/dc/dcn30/dcn30_dpp.c 490 > 491 void dpp3_deferred_update( 492 struct dpp *dpp_base) 493 { 494 int bypass_state; 495 struct dcn3_dpp *dpp = TO_DCN30_DPP(dpp_base); 496 497 if (dpp_base->deferred_reg_writes.bits.disable_blnd_lut) { 498 REG_GET(CM_BLNDGAM_CONTROL, CM_BLNDGAM_MODE_CURRENT, &bypass_state); 499 if (bypass_state == 0) { // only program if bypass was latched 500 REG_UPDATE(CM_MEM_PWR_CTRL, BLNDGAM_MEM_PWR_FORCE, 3); 501 } else 502 ASSERT(0); // LUT select was updated again before vupdate 503 dpp_base->deferred_reg_writes.bits.disable_blnd_lut = false; 504 } 505 506 if (dpp_base->deferred_reg_writes.bits.disable_3dlut) { 507 REG_GET(CM_3DLUT_MODE, CM_3DLUT_MODE_CURRENT, &bypass_state); 508 if (bypass_state == 0) { // only program if bypass was latched 509 REG_UPDATE(CM_MEM_PWR_CTRL2, HDR3DLUT_MEM_PWR_FORCE, 3); 510 } else 511 ASSERT(0); // LUT select was updated again before vupdate 512 dpp_base->deferred_reg_writes.bits.disable_3dlut = false; 513 } 514 515 if (dpp_base->deferred_reg_writes.bits.disable_shaper) { 516 REG_GET(CM_SHAPER_CONTROL, CM_SHAPER_MODE_CURRENT, &bypass_state); 517 if (bypass_state == 0) { // only program if bypass was latched 518 REG_UPDATE(CM_MEM_PWR_CTRL2, SHAPER_MEM_PWR_FORCE, 3); 519 } else 520 ASSERT(0); // LUT select was updated again before vupdate 521 dpp_base->deferred_reg_writes.bits.disable_shaper = false; 522 } 523 } 524 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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