igt@kms_color@subtests - incomplete - Failed assertion: output->pending_pipe != b->pending_pipe

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_11727/re-adlp-11/igt@kms_color@pipe-d-deep-color.html

Starting subtest: pipe-D-deep-color
(kms_color:1670) igt_kms-CRITICAL: Test assertion failure function igt_display_refresh, file ../lib/igt_kms.c:2780:
(kms_color:1670) igt_kms-CRITICAL: Failed assertion: output->pending_pipe != b->pending_pipe
(kms_color:1670) igt_kms-CRITICAL: DP-6 and DP-5 are both trying to use pipe D
kms_color: ../lib/igt_core.c:1667: igt_fail: Assertion `_igt_dynamic_tests_executed < 0 || dynamic_failed_one' failed.
Received signal SIGABRT.
Stack trace: 
 #0 [fatal_sig_handler+0xd6]
 #1 [killpg+0x40]
 #2 [gsignal+0xcb]
 #3 [abort+0x12b]
 #4 [<unknown>+0x12b]
 #5 [__assert_fail+0x46]
 #6 [igt_fail+0x11a]
 #7 [__igt_fail_assert+0x11d]
 #8 [igt_display_refresh.isra.42+0x142]
 #9 [igt_display_try_commit_atomic+0x4b]
 #10 [igt_display_commit_atomic+0x9]
 #11 [run_tests_for_pipe+0x1d5a]
 #12 [__igt_unique____real_main988+0xf5]
 #13 [main+0x27]
 #14 [__libc_start_main+0xf3]
 #15 [_start+0x2a]