KBL : igt@i915_selftest@[live|perf|mock] | igt@i915_module_load@.* - incomplete/fail - BUG: kernel NULL pointer dereference, address: 0000000000000db9

https://intel-gfx-ci.01.org/tree/drm-tip/drmtip_944/fi-kbl-8809g/igt@i915_selftest@live.html

Dmesg,
<1> [76.487327] BUG: kernel NULL pointer dereference, address: 0000000000000db9
<1> [76.487340] #PF: supervisor write access in kernel mode
<1> [76.487347] #PF: error_code(0x0002) - not-present page
<6> [76.487354] PGD 0 P4D 0 
<4> [76.487361] Oops: 0002 [#1] PREEMPT SMP PTI
<4> [76.487369] CPU: 1 PID: 1287 Comm: i915_selftest Not tainted 5.15.0-g241dcaaa2bcb-drmtip_944+ #1
<4> [76.487381] Hardware name: Intel Corporation NUC8i7HVK/NUC8i7HVB, BIOS HNKBLi70.86A.0047.2018.0718.1706 07/18/2018
<4> [76.487392] RIP: 0010:smu7_powergate_uvd+0xb/0x90 [amdgpu]
<4> [76.487676] Code: 0d 00 00 e8 47 ff ff ff 48 89 df e8 7f ff ff ff 31 c0 5b c3 90 66 2e 0f 1f 84 00 00 00 00 00 53 48 8b 87 a0 02 00 00 48 89 fb <40> 88 b0 b9 0d 00 00 40 84 f6 74 36 48 8b 3f 31 d2 be 08 00 00 00
<4> [76.487695] RSP: 0018:ffffc90000adbd68 EFLAGS: 00010246
<4> [76.487704] RAX: 0000000000000000 RBX: ffff888149748800 RCX: 0000000000000001
<4> [76.487713] RDX: 0000000000000001 RSI: 0000000000000001 RDI: ffff888149748800
<4> [76.487721] RBP: ffff888149748818 R08: ffffffffa0ea6867 R09: 00000000fffffffe
<4> [76.487730] R10: ffffc90000adbd78 R11: 00000000144bfec2 R12: 0000000000000001
<4> [76.487738] R13: ffffffffa10d9ec0 R14: ffff88810a609f08 R15: 0000000000000000
<4> [76.487747] FS:  00007f95f5825c00(0000) GS:ffff888276680000(0000) knlGS:0000000000000000
<4> [76.487758] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [76.487766] CR2: 0000000000000db9 CR3: 000000012f494004 CR4: 00000000003706e0
<4> [76.487775] Call Trace:
<4> [76.487780]  pp_set_powergating_by_smu+0xb1/0x270 [amdgpu]
<4> [76.488051]  amdgpu_dpm_set_powergating_by_smu+0x78/0xe0 [amdgpu]
<4> [76.488319]  amdgpu_dpm_enable_uvd+0x2c/0xf0 [amdgpu]
<4> [76.488585]  uvd_v6_0_hw_fini+0x6f/0x80 [amdgpu]
<4> [76.488800]  amdgpu_device_fini_hw+0x228/0x32f [amdgpu]
<4> [76.489096]  amdgpu_pci_remove+0x1c/0x30 [amdgpu]
<4> [76.489226]  pci_device_remove+0x36/0xb0
<4> [76.489234]  device_release_driver_internal+0xf2/0x1e0
<4> [76.489244]  driver_detach+0x42/0x90
<4> [76.489251]  bus_remove_driver+0x72/0xd0
<4> [76.489258]  pci_unregister_driver+0x25/0xa0
<4> [76.489266]  amdgpu_exit+0x11/0x23 [amdgpu]
<4> [76.489491]  __x64_sys_delete_module+0x115/0x1e0
<4> [76.489500]  ? lockdep_hardirqs_on+0xbf/0x130
<4> [76.489510]  do_syscall_64+0x3a/0xb0
<4> [76.489517]  entry_SYSCALL_64_after_hwframe+0x44/0xae
<4> [76.489525] RIP: 0033:0x7f95f85fdbcb
<4> [76.489531] Code: 73 01 c3 48 8b 0d c5 82 0c 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 b0 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 95 82 0c 00 f7 d8 64 89 01 48
<4> [76.489546] RSP: 002b:00007fffd5e8be08 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0
<4> [76.489555] RAX: ffffffffffffffda RBX: 000055fb1d70f2d0 RCX: 00007f95f85fdbcb
<4> [76.489562] RDX: 00007f95f86c6be0 RSI: 0000000000000800 RDI: 000055fb1d70f338
<4> [76.489569] RBP: 000055fb1d70f2d0 R08: 0000000000000000 R09: 000055fb1d71b290
<4> [76.489576] R10: 000055fb1d6e4010 R11: 0000000000000206 R12: 0000000000000000
<4> [76.489583] R13: 000055fb1d712940 R14: 0000000000000000 R15: 000055fb1d70f370
<4> [76.489592] Modules linked in: vgem drm_shmem_helper fuse snd_hda_codec_realtek snd_hda_codec_generic ledtrig_audio amdgpu(-) btusb btrtl btbcm x86_pkg_temp_thermal btintel bluetooth coretemp ecdh_generic ecc crct10dif_pclmul crc32_pclmul ghash_clmulni_intel drm_ttm_helper ttm gpu_sched igb drm_kms_helper snd_hda_codec_hdmi snd_intel_dspcfg snd_hda_codec syscopyarea snd_hwdep sysfillrect sysimgblt snd_hda_core e1000e fb_sys_fops snd_pcm pinctrl_sunrisepoint prime_numbers ptp i2c_i801 i2c_smbus pps_core intel_lpss_pci [last unloaded: i915]
<4> [76.489664] CR2: 0000000000000db9
<4> [76.489669] ---[ end trace e9b5e64c836d3739 ]---