tree: https://gitlab.freedesktop.org/agd5f/linux.git drm-next head: 5bbebaae14913a4180ff0cc7ddccfa177dba9705 commit: 17ce8a6907f77b7ac97ddaa071d8a1f6e06ce85b [44/66] drm/amd/display: Add dsc pre-validation in atomic check config: microblaze-buildonly-randconfig-r003-20220216 (https://download.01.org/0day-ci/archive/20220217/202202171946.tVfOp3up-lk...) compiler: microblaze-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git remote add agd5f https://gitlab.freedesktop.org/agd5f/linux.git git fetch --no-tags agd5f drm-next git checkout 17ce8a6907f77b7ac97ddaa071d8a1f6e06ce85b # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=microblaze SHELL=/bin/bash drivers/gpu/drm/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from drivers/gpu/drm/amd/amdgpu/../display/dmub/dmub_srv.h:67, from drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:35: drivers/gpu/drm/amd/amdgpu/../display/dmub/inc/dmub_cmd.h: In function 'dmub_rb_flush_pending': drivers/gpu/drm/amd/amdgpu/../display/dmub/inc/dmub_cmd.h:2921:26: warning: variable 'temp' set but not used [-Wunused-but-set-variable] 2921 | uint64_t temp; | ^~~~ drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c: At top level: 6353 | create_stream_for_sink(struct amdgpu_dm_connector *aconnector, | ^~~~~~~~~~~~~~~~~~~~~~ 10179 | int dm_update_crtc_state(struct amdgpu_display_manager *dm, | ^~~~~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/core_types.h:32, from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/link_enc_cfg.h:33, from drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c:32: drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:127:22: warning: 'SYNAPTICS_DEVICE_ID' defined but not used [-Wunused-const-variable=] 127 | static const uint8_t SYNAPTICS_DEVICE_ID[] = "SYNA"; | ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:124:22: warning: 'DP_SINK_DEVICE_STR_ID_2' defined but not used [-Wunused-const-variable=] 124 | static const uint8_t DP_SINK_DEVICE_STR_ID_2[] = {7, 1, 8, 7, 5, 0}; | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:123:22: warning: 'DP_SINK_DEVICE_STR_ID_1' defined but not used [-Wunused-const-variable=] 123 | static const uint8_t DP_SINK_DEVICE_STR_ID_1[] = {7, 1, 8, 7, 3, 0}; | ^~~~~~~~~~~~~~~~~~~~~~~ -- 1617 | bool is_timing_changed(struct dc_stream_state *cur_stream, | ^~~~~~~~~~~~~~~~~ In file included from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/core_types.h:32, from drivers/gpu/drm/amd/amdgpu/../display/dc/inc/resource.h:28, from drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_resource.c:30: drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:127:22: warning: 'SYNAPTICS_DEVICE_ID' defined but not used [-Wunused-const-variable=] 127 | static const uint8_t SYNAPTICS_DEVICE_ID[] = "SYNA"; | ^~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:124:22: warning: 'DP_SINK_DEVICE_STR_ID_2' defined but not used [-Wunused-const-variable=] 124 | static const uint8_t DP_SINK_DEVICE_STR_ID_2[] = {7, 1, 8, 7, 5, 0}; | ^~~~~~~~~~~~~~~~~~~~~~~ drivers/gpu/drm/amd/amdgpu/../display/include/ddc_service_types.h:123:22: warning: 'DP_SINK_DEVICE_STR_ID_1' defined but not used [-Wunused-const-variable=] 123 | static const uint8_t DP_SINK_DEVICE_STR_ID_1[] = {7, 1, 8, 7, 3, 0}; | ^~~~~~~~~~~~~~~~~~~~~~~ vim +/create_stream_for_sink +6353 drivers/gpu/drm/amd/amdgpu/../display/amdgpu_dm/amdgpu_dm.c a85ba00538cd4bb Nikola Cornij 2021-03-15 6351 17ce8a6907f77b7 Roman Li 2022-01-28 6352 struct dc_stream_state * 3ee6b26b78e4782 Alex Deucher 2017-10-10 @6353 create_stream_for_sink(struct amdgpu_dm_connector *aconnector, e7b07ceef2a650e Harry Wentland 2017-08-10 6354 const struct drm_display_mode *drm_mode, b333730d126efcc Bhawanpreet Lakha 2018-11-16 6355 const struct dm_connector_state *dm_state, cbd14ae7ea934fd Stylon Wang 2020-04-30 6356 const struct dc_stream_state *old_stream, cbd14ae7ea934fd Stylon Wang 2020-04-30 6357 int requested_bpc) e7b07ceef2a650e Harry Wentland 2017-08-10 6358 { e7b07ceef2a650e Harry Wentland 2017-08-10 6359 struct drm_display_mode *preferred_mode = NULL; 391ef035200f8c3 Jerry (Fangzhi Zuo 2017-12-01 6360) struct drm_connector *drm_connector; 42ba01fc30e6f84 Nicholas Kazlauskas 2019-05-22 6361 const struct drm_connector_state *con_state = 42ba01fc30e6f84 Nicholas Kazlauskas 2019-05-22 6362 dm_state ? &dm_state->base : NULL; 0971c40e180696c Harry Wentland 2017-07-27 6363 struct dc_stream_state *stream = NULL; e7b07ceef2a650e Harry Wentland 2017-08-10 6364 struct drm_display_mode mode = *drm_mode; a85ba00538cd4bb Nikola Cornij 2021-03-15 6365 struct drm_display_mode saved_mode; a85ba00538cd4bb Nikola Cornij 2021-03-15 6366 struct drm_display_mode *freesync_mode = NULL; e7b07ceef2a650e Harry Wentland 2017-08-10 6367 bool native_mode_found = false; b0781603af15425 Nicholas Kazlauskas 2021-05-19 6368 bool recalculate_timing = false; b0781603af15425 Nicholas Kazlauskas 2021-05-19 6369 bool scale = dm_state ? (dm_state->scaling != RMX_OFF) : false; b333730d126efcc Bhawanpreet Lakha 2018-11-16 6370 int mode_refresh; 58124bf8f4a6ee4 Jerry (Fangzhi Zuo 2018-11-27 6371) int preferred_refresh = 0; defeb878c46e950 Alex Deucher 2019-11-06 6372 #if defined(CONFIG_DRM_AMD_DC_DCN) df2f10151d64d0c David Francis 2019-06-19 6373 struct dsc_dec_dpcd_caps dsc_caps; 7c431455cdd6add Alex Deucher 2020-11-30 6374 #endif aed15309b9b2009 Mikita Lipski 2018-05-01 6375 struct dc_sink *sink = NULL; a85ba00538cd4bb Nikola Cornij 2021-03-15 6376 a85ba00538cd4bb Nikola Cornij 2021-03-15 6377 memset(&saved_mode, 0, sizeof(saved_mode)); a85ba00538cd4bb Nikola Cornij 2021-03-15 6378 b830ebc910f6412 Harry Wentland 2017-07-26 6379 if (aconnector == NULL) { e7b07ceef2a650e Harry Wentland 2017-08-10 6380 DRM_ERROR("aconnector is NULL!\n"); 64245fa72daa08c Harry Wentland 2017-12-18 6381 return stream; e7b07ceef2a650e Harry Wentland 2017-08-10 6382 } e7b07ceef2a650e Harry Wentland 2017-08-10 6383 e7b07ceef2a650e Harry Wentland 2017-08-10 6384 drm_connector = &aconnector->base; 2e0ac3d68838d20 Harry Wentland 2017-08-17 6385 f4ac176e62fdc74 Jerry Zuo 2017-09-08 6386 if (!aconnector->dc_sink) { aed15309b9b2009 Mikita Lipski 2018-05-01 6387 sink = create_fake_sink(aconnector); aed15309b9b2009 Mikita Lipski 2018-05-01 6388 if (!sink) 64245fa72daa08c Harry Wentland 2017-12-18 6389 return stream; aed15309b9b2009 Mikita Lipski 2018-05-01 6390 } else { aed15309b9b2009 Mikita Lipski 2018-05-01 6391 sink = aconnector->dc_sink; dcd5fb82ffb4841 Mathias Fröhlich 2019-02-10 6392 dc_sink_retain(sink); f4ac176e62fdc74 Jerry Zuo 2017-09-08 6393 } 2e0ac3d68838d20 Harry Wentland 2017-08-17 6394 aed15309b9b2009 Mikita Lipski 2018-05-01 6395 stream = dc_create_stream_for_sink(sink); e7b07ceef2a650e Harry Wentland 2017-08-10 6396 b830ebc910f6412 Harry Wentland 2017-07-26 6397 if (stream == NULL) { e7b07ceef2a650e Harry Wentland 2017-08-10 6398 DRM_ERROR("Failed to create stream for sink!\n"); aed15309b9b2009 Mikita Lipski 2018-05-01 6399 goto finish; e7b07ceef2a650e Harry Wentland 2017-08-10 6400 } e7b07ceef2a650e Harry Wentland 2017-08-10 6401 ceb3dbb4690db83 Jun Lei 2018-11-09 6402 stream->dm_stream_context = aconnector; ceb3dbb4690db83 Jun Lei 2018-11-09 6403 4a36fcbaec4e9be Wayne Lin 2019-09-19 6404 stream->timing.flags.LTE_340MCSC_SCRAMBLE = 4a36fcbaec4e9be Wayne Lin 2019-09-19 6405 drm_connector->display_info.hdmi.scdc.scrambling.low_rates; 4a36fcbaec4e9be Wayne Lin 2019-09-19 6406 e7b07ceef2a650e Harry Wentland 2017-08-10 6407 list_for_each_entry(preferred_mode, &aconnector->base.modes, head) { e7b07ceef2a650e Harry Wentland 2017-08-10 6408 /* Search for preferred mode */ e7b07ceef2a650e Harry Wentland 2017-08-10 6409 if (preferred_mode->type & DRM_MODE_TYPE_PREFERRED) { e7b07ceef2a650e Harry Wentland 2017-08-10 6410 native_mode_found = true; e7b07ceef2a650e Harry Wentland 2017-08-10 6411 break; e7b07ceef2a650e Harry Wentland 2017-08-10 6412 } e7b07ceef2a650e Harry Wentland 2017-08-10 6413 } e7b07ceef2a650e Harry Wentland 2017-08-10 6414 if (!native_mode_found) e7b07ceef2a650e Harry Wentland 2017-08-10 6415 preferred_mode = list_first_entry_or_null( e7b07ceef2a650e Harry Wentland 2017-08-10 6416 &aconnector->base.modes, e7b07ceef2a650e Harry Wentland 2017-08-10 6417 struct drm_display_mode, e7b07ceef2a650e Harry Wentland 2017-08-10 6418 head); e7b07ceef2a650e Harry Wentland 2017-08-10 6419 b333730d126efcc Bhawanpreet Lakha 2018-11-16 6420 mode_refresh = drm_mode_vrefresh(&mode); b333730d126efcc Bhawanpreet Lakha 2018-11-16 6421 b830ebc910f6412 Harry Wentland 2017-07-26 6422 if (preferred_mode == NULL) { 1f6010a96273c31 David Francis 2018-08-15 6423 /* 1f6010a96273c31 David Francis 2018-08-15 6424 * This may not be an error, the use case is when we have no e7b07ceef2a650e Harry Wentland 2017-08-10 6425 * usermode calls to reset and set mode upon hotplug. In this e7b07ceef2a650e Harry Wentland 2017-08-10 6426 * case, we call set mode ourselves to restore the previous mode e7b07ceef2a650e Harry Wentland 2017-08-10 6427 * and the modelist may not be filled in in time. e7b07ceef2a650e Harry Wentland 2017-08-10 6428 */ f1ad2f5efd29dc8 Harry Wentland 2017-09-12 6429 DRM_DEBUG_DRIVER("No preferred mode found\n"); a85ba00538cd4bb Nikola Cornij 2021-03-15 6430 } else { de05abe6b9d0fe0 Solomon Chiu 2022-01-06 6431 recalculate_timing = is_freesync_video_mode(&mode, aconnector); a85ba00538cd4bb Nikola Cornij 2021-03-15 6432 if (recalculate_timing) { a85ba00538cd4bb Nikola Cornij 2021-03-15 6433 freesync_mode = get_highest_refresh_rate_mode(aconnector, false); a85ba00538cd4bb Nikola Cornij 2021-03-15 6434 saved_mode = mode; a85ba00538cd4bb Nikola Cornij 2021-03-15 6435 mode = *freesync_mode; e7b07ceef2a650e Harry Wentland 2017-08-10 6436 } else { e7b07ceef2a650e Harry Wentland 2017-08-10 6437 decide_crtc_timing_for_drm_display_mode( b0781603af15425 Nicholas Kazlauskas 2021-05-19 6438 &mode, preferred_mode, scale); a85ba00538cd4bb Nikola Cornij 2021-03-15 6439 58124bf8f4a6ee4 Jerry (Fangzhi Zuo 2018-11-27 6440) preferred_refresh = drm_mode_vrefresh(preferred_mode); e7b07ceef2a650e Harry Wentland 2017-08-10 6441 } b0781603af15425 Nicholas Kazlauskas 2021-05-19 6442 } e7b07ceef2a650e Harry Wentland 2017-08-10 6443 a85ba00538cd4bb Nikola Cornij 2021-03-15 6444 if (recalculate_timing) a85ba00538cd4bb Nikola Cornij 2021-03-15 6445 drm_mode_set_crtcinfo(&saved_mode, 0); fe8858bb097ba34 Nikola Cornij 2021-03-26 6446 else if (!dm_state) 9182b4cb445dc31 Harry Wentland 2017-12-18 6447 drm_mode_set_crtcinfo(&mode, 0); f783577c85c00da Jerry (Fangzhi Zuo 2018-01-17 6448) b333730d126efcc Bhawanpreet Lakha 2018-11-16 6449 /* b333730d126efcc Bhawanpreet Lakha 2018-11-16 6450 * If scaling is enabled and refresh rate didn't change b333730d126efcc Bhawanpreet Lakha 2018-11-16 6451 * we copy the vic and polarities of the old timings b333730d126efcc Bhawanpreet Lakha 2018-11-16 6452 */ b0781603af15425 Nicholas Kazlauskas 2021-05-19 6453 if (!scale || mode_refresh != preferred_refresh) a85ba00538cd4bb Nikola Cornij 2021-03-15 6454 fill_stream_properties_from_drm_display_mode( a85ba00538cd4bb Nikola Cornij 2021-03-15 6455 stream, &mode, &aconnector->base, con_state, NULL, a85ba00538cd4bb Nikola Cornij 2021-03-15 6456 requested_bpc); b333730d126efcc Bhawanpreet Lakha 2018-11-16 6457 else a85ba00538cd4bb Nikola Cornij 2021-03-15 6458 fill_stream_properties_from_drm_display_mode( a85ba00538cd4bb Nikola Cornij 2021-03-15 6459 stream, &mode, &aconnector->base, con_state, old_stream, a85ba00538cd4bb Nikola Cornij 2021-03-15 6460 requested_bpc); b333730d126efcc Bhawanpreet Lakha 2018-11-16 6461 :::::: The code at line 6353 was first introduced by commit :::::: 3ee6b26b78e47825032726f807beb70be86ea20a drm/amd/display: whitespace cleanup in amdgpu_dm.c/h :::::: TO: Alex Deucher <alexander.deucher(a)amd.com&gt; :::::: CC: Dave Airlie <airlied(a)redhat.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org