igt@kms_flip@flip-vs-suspend-interruptible@d-dp5 - incomplete - BUG: kernel NULL pointer dereference, address: 0000000000000000

tarting dynamic subtest: D-DP5
(kms_flip:2749) CRITICAL: Test assertion failure function __run_test_on_crtc_set, file ../tests/kms_flip.c:1271:
(kms_flip:2749) CRITICAL: Failed assertion: crtc_count > 1 || crtc_idxs[0] < 2
(kms_flip:2749) CRITICAL: Last errno: 22, Invalid argument
(kms_flip:2749) CRITICAL: set_mode may only fail on the 3rd pipe or in multiple crtc tests
Dynamic subtest D-DP5 failed.

<7> [5760.229299] [drm:drm_helper_probe_single_connector_modes] [CONNECTOR:344:DP-9] status updated from unknown to connected
<1> [5760.229337] BUG: kernel NULL pointer dereference, address: 0000000000000000
<1> [5760.229375] #PF: supervisor read access in kernel mode
<1> [5760.229397] #PF: error_code(0x0000) - not-present page
<6> [5760.229420] PGD 0 P4D 0
<4> [5760.229435] Oops: 0000 [#1] PREEMPT SMP NOPTI
<4> [5760.229460] CPU: 1 PID: 2749 Comm: kms_flip Tainted: G U 5.7.0-rc5-CI-CI_DRM_8506+ #1
<4> [5760.229502] Hardware name: Intel Corporation Tiger Lake Client Platform/TigerLake U LPDDR4/4x T4 RVP, BIOS TGLSFWI1.R00.3175.A01.2004250014 04/25/2020
<4> [5760.229571] RIP: 0010:i2c_transfer+0xf/0x110
<4> [5760.229596] Code: 82 c6 05 7a 4a f3 00 01 e8 4e 4b 91 ff e9 a6 fa ff ff 66 0f 1f 84 00 00 00 00 00 41 54 55 53 48 89 fb 48 83 ec 08 48 8b 47 10 <48> 83 38 00 0f 84 89 00 00 00 83 3d 14 e7 f5 00 02 48 89 f5 41 89
<4> [5760.229686] RSP: 0018:ffffc90001193aa8 EFLAGS: 00010292
<4> [5760.229718] RAX: 0000000000000000 RBX: ffff88829383c038 RCX: 0000000000000001
<4> [5760.229753] RDX: 0000000000000002 RSI: ffffc90001193b00 RDI: ffff88829383c038
<4> [5760.229790] RBP: ffffc90001193b60 R08: ffff8882951889c8 R09: 00000000fffffffe
<4> [5760.229827] R10: ffffc90001193b78 R11: 0000000040929b3f R12: 0000000000000002
<4> [5760.229862] R13: 0000000000000001 R14: ffffc90001193aef R15: ffffc90001193b7f
<4> [5760.229898] FS: 00007fdbf86a3e40(0000) GS:ffff8882a8680000(0000) knlGS:0000000000000000
<4> [5760.229946] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [5760.229975] CR2: 0000000000000000 CR3: 0000000006610004 CR4: 0000000000760ee0
<4> [5760.230011] PKRU: 55555554
<4> [5760.230026] Call Trace:
<4> [5760.230047] ? find_held_lock+0x2d/0x90
<4> [5760.230070] drm_do_probe_ddc_edid+0xb7/0x140
<4> [5760.230102] ? drm_get_edid+0x68/0x80
<4> [5760.230123] drm_get_edid+0x68/0x80
<4> [5760.230144] ? drm_dp_mst_topology_get_port_validated+0x4b/0x70
<4> [5760.230176] drm_dp_mst_get_edid+0x54/0x60
<4> [5760.230257] intel_dp_mst_get_modes+0x2a/0x50 [i915]
<4> [5760.230286] drm_helper_probe_single_connector_modes+0x170/0x700
<4> [5760.230326] drm_client_modeset_probe+0x1fc/0xc90
<4> [5760.230358] ? drm_dev_dbg+0x8a/0xb0
<4> [5760.230383] drm_fb_helper_hotplug_event.part.17+0xa0/0xd0
<4> [5760.230422] drm_fb_helper_restore_fbdev_mode_unlocked+0x6d/0x90
<4> [5760.230507] intel_fbdev_restore_mode+0x2b/0x60 [i915]
<4> [5760.230536] drm_lastclose+0x2a/0x50
<4> [5760.230557] drm_release_noglobal+0x35/0x50
<4> [5760.230584] __fput+0xf4/0x260
<4> [5760.230605] task_work_run+0x6e/0xa0
<4> [5760.230629] do_exit+0x3af/0xd50
<4> [5760.230652] do_group_exit+0x42/0xb0
<4> [5760.230680] __x64_sys_exit_group+0xf/0x10
<4> [5760.230705] do_syscall_64+0x4f/0x220
<4> [5760.230732] entry_SYSCALL_64_after_hwframe+0x49/0xb3
<4> [5760.230760] RIP: 0033:0x7fdbf7396e06
<4> [5760.230783] Code: Bad RIP value.
<4> [5760.230802] RSP: 002b:00007fffd6e469d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
<4> [5760.230841] RAX: ffffffffffffffda RBX: 00007fdbf7699740 RCX: 00007fdbf7396e06
<4> [5760.230879] RDX: 0000000000000062 RSI: 000000000000003c RDI: 0000000000000062
<4> [5760.230915] RBP: 0000000000000062 R08: 00000000000000e7 R09: ffffffffffffff80
<4> [5760.230951] R10: 00007fdbebffd0c0 R11: 0000000000000246 R12: 00007fdbf7699740
<4> [5760.230987] R13: 0000000000000003 R14: 00007fdbf76a2628 R15: 0000000000000000
<4> [5760.231028] Modules linked in: snd_hda_codec_hdmi i915 mei_hdcp snd_hda_intel snd_intel_dspcfg snd_hda_codec e1000e x86_pkg_temp_thermal coretemp snd_hwdep snd_hda_core crct10dif_pclmul crc32_pclmul mei_me ghash_clmulni_intel snd_pcm mei ptp pps_core intel_lpss_pci prime_numbers
<4> [5760.231173] CR2: 0000000000000000
<4> [5760.231194] ---[ end trace cbf17304ebb19a49 ]---