igt@kms_dp_dsc@basic-dsc-enable-dp - fail - Failed assertion: pipe

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_822/fi-tgl-1115g4/igt@kms_dp_dsc@basic-dsc-enable-dp.html

Starting subtest: basic-dsc-enable-DP
(kms_dp_dsc:1237) igt_kms-CRITICAL: Test assertion failure function igt_output_get_plane_type, file ../lib/igt_kms.c:4102:
(kms_dp_dsc:1237) igt_kms-CRITICAL: Failed assertion: pipe
Subtest basic-dsc-enable-DP failed.
**** DEBUG ****
(kms_dp_dsc:1237) DEBUG: Test requirement passed: igt_debugfs_simple_read(data->debugfs_fd, file_name, buf, sizeof(buf)) > 0
(kms_dp_dsc:1237) igt_debugfs-DEBUG: Opening debugfs directory '/sys/kernel/debug/dri/0'
(kms_dp_dsc:1237) igt_debugfs-DEBUG: Opening debugfs directory '/sys/kernel/debug/dri/0'
(kms_dp_dsc:1237) DEBUG: DSC not supported on Pipe A on external DP
(kms_dp_dsc:1237) igt_kms-CRITICAL: Test assertion failure function igt_output_get_plane_type, file ../lib/igt_kms.c:4102:
(kms_dp_dsc:1237) igt_kms-CRITICAL: Failed assertion: pipe
(kms_dp_dsc:1237) igt_core-INFO: Stack trace:
(kms_dp_dsc:1237) igt_core-INFO:   #0 ../lib/igt_core.c:1745 __igt_fail_assert()
(kms_dp_dsc:1237) igt_core-INFO:   #1 ../lib/igt_kms.c:4102 igt_output_get_plane_type()
(kms_dp_dsc:1237) igt_core-INFO:   #2 ../tests/kms_dp_dsc.c:169 __real_main255()
(kms_dp_dsc:1237) igt_core-INFO:   #3 ../tests/kms_dp_dsc.c:255 main()
(kms_dp_dsc:1237) igt_core-INFO:   #4 ../csu/libc-start.c:342 __libc_start_main()
(kms_dp_dsc:1237) igt_core-INFO:   #5 [_start+0x2a]
****  END  ****
Subtest basic-dsc-enable-DP: FAIL (0.059s)
munmap_chunk(): invalid pointer
Received signal SIGABRT.
Stack trace: 
 #0 [fatal_sig_handler+0xd6]
 #1 [killpg+0x40]
 #2 [gsignal+0xcb]
 #3 [abort+0x12b]
 #4 [__fsetlocking+0x42e]
 #5 [pthread_attr_setschedparam+0x54c]
 #6 [pthread_attr_setschedparam+0x79c]
 #7 [drmModeFreeConnector+0x12]
 #8 [__real_main255+0x668]
 #9 [main+0x27]
 #10 [__libc_start_main+0xf3]
 #11 [_start+0x2a]