Few tests - dmesg-warn - Unclaimed read from register 0x45504, WARNING:.* at drivers/gpu/drm/i915/intel_uncore.c:\d+ __unclaimed_reg_debug.*

https://intel-gfx-ci.01.org/tree/drm-tip/CI_DRM_12004/bat-dg2-10/igt@i915_pm_rpm@module-reload.html

<4> [233.308308] ------------[ cut here ]------------
<4> [233.308310] i915 0000:00:02.0: Unclaimed read from register 0x45504
<4> [233.308334] WARNING: CPU: 7 PID: 276 at drivers/gpu/drm/i915/intel_uncore.c:1681 __unclaimed_reg_debug+0x68/0x80 [i915]
<4> [233.308436] Modules linked in: snd_hda_intel(+) i915 drm_display_helper drm_kms_helper vgem drm_shmem_helper snd_hda_codec_realtek
<7> [233.308390] i915 0000:03:00.0: [drm:i915_audio_component_get_power [i915]] restored AUD_FREQ_CNTRL to 0x8010
<4> [233.308455]  snd_hda_codec_generic ledtrig_audio snd_hda_codec_hdmi snd_intel_dspcfg snd_hda_codec snd_hwdep snd_hda_core snd_pcm prime_numbers ttm drm_buddy syscopyarea sysfillrect sysimgblt fb_sys_fops fuse x86_pkg_temp_thermal coretemp r8153_ecm kvm_intel cdc_ether usbnet r8152 kvm mii irqbypass crct10dif_pclmul crc32_pclmul ghash_clmulni_intel e1000e ptp mei_me pps_core i2c_i801 i2c_smbus mei intel_lpss_pci [last unloaded: drm_kms_helper]
<4> [233.308544] CPU: 7 PID: 276 Comm: kworker/7:2 Not tainted 6.0.0-rc1-CI_DRM_12004-g9a91db2ace2b+ #1
<4> [233.308549] Hardware name: Intel Corporation Tiger Lake Client Platform/TigerLake H DDR4 SODIMM RVP, BIOS TGLSFWI1.R00.4064.A00.2102041619 02/04/2021
<4> [233.308552] Workqueue: events azx_probe_work [snd_hda_intel]
<4> [233.308565] RIP: 0010:__unclaimed_reg_debug+0x68/0x80 [i915]
<4> [233.308664] Code: 08 4c 8b 6f 50 4d 85 ed 75 03 4c 8b 2f e8 70 f8 19 e1 41 89 e8 4c 89 e1 4c 89 ea 48 89 c6 48 c7 c7 90 ba 80 a0 e8 66 ed 52 e1 <0f> 0b 48 8b 43 08 83 a8 7c 0d 00 00 01 eb a0 66 0f 1f 84 00 00 00
<4> [233.308667] RSP: 0018:ffffc90000553c78 EFLAGS: 00010086
<4> [233.308672] RAX: 0000000000000000 RBX: ffff88811e440ef8 RCX: 0000000000000003
<4> [233.308675] RDX: 0000000080000003 RSI: ffffffff8232272d RDI: 00000000ffffffff
<4> [233.308677] RBP: 0000000000045504 R08: 0000000000000000 R09: c0000000ffff7fff
<4> [233.308679] R10: 0000000000000001 R11: ffffc90000553b10 R12: ffffffffa08617d7
<4> [233.308682] R13: ffff888102c15e90 R14: 0000000000000002 R15: 0000000000000202
<4> [233.308684] FS:  0000000000000000(0000) GS:ffff88888f780000(0000) knlGS:0000000000000000
<4> [233.308687] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
<4> [233.308690] CR2: 00005587ca6bf120 CR3: 000000012247e003 CR4: 0000000000770ee0
<4> [233.308692] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
<4> [233.308694] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
<4> [233.308697] PKRU: 55555554
<4> [233.308699] Call Trace:
<4> [233.308702]  <TASK>
<4> [233.308708]  fwtable_read32+0x249/0x2e0 [i915]
<4> [233.308819]  gen9_set_dc_state.part.15+0x4e/0x220 [i915]
<4> [233.308962]  gen9_disable_dc_states+0x5b/0x2b0 [i915]
<4> [233.309101]  intel_power_well_enable+0x4d/0x60 [i915]
<4> [233.309231]  __intel_display_power_get_domain.part.15+0x4d/0x70 [i915]
<4> [233.309359]  intel_display_power_get+0x46/0x60 [i915]
<4> [233.309490]  i915_audio_component_get_power+0x15/0x100 [i915]
<4> [233.309621]  snd_hdac_display_power+0x7a/0x120 [snd_hda_core]
<4> [233.309637]  azx_probe_work+0xcc/0x850 [snd_hda_intel]
<4> [233.309652]  process_one_work+0x272/0x5b0
<4> [233.309668]  worker_thread+0x37/0x370
<4> [233.309674]  ? process_one_work+0x5b0/0x5b0
<4> [233.309678]  kthread+0xed/0x120
<4> [233.309682]  ? kthread_complete_and_exit+0x20/0x20
<4> [233.309690]  ret_from_fork+0x1f/0x30
<4> [233.309712]  </TASK>
<4> [233.309715] irq event stamp: 9496
<4> [233.309717] hardirqs last  enabled at (9495): [<ffffffff811390e6>] __up_console_sem+0x66/0x70
<4> [233.309723] hardirqs last disabled at (9496): [<ffffffff81b5901b>] _raw_spin_lock_irqsave+0x4b/0x50
<4> [233.309728] softirqs last  enabled at (9492): [<ffffffff81e00323>] __do_softirq+0x323/0x48e
<4> [233.309732] softirqs last disabled at (9487): [<ffffffff810c1588>] irq_exit_rcu+0xb8/0xe0