[ 4.148929] nvme0n1: p1 p2
[ 4.223440] i915 0000:00:02.0: [drm] VT-d active for gfx access
[ 4.223442] checking generic (4000000000 1d5000) vs hw (603e000000 1000000)
[ 4.223443] checking generic (4000000000 1d5000) vs hw (4000000000 10000000)
[ 4.223443] fb0: switching to inteldrmfb from EFI VGA
[ 4.223507] Console: switching to colour dummy device 80x25
[ 4.223527] i915 0000:00:02.0: vgaarb: deactivate vga console
[ 4.224592] i915 0000:00:02.0: [drm] Couldn't get system memory bandwidth
[ 4.225238] i915 0000:00:02.0: vgaarb: changed VGA decodes:
olddecodes=io+mem,decodes=io+mem:owns=io+mem
[ 4.225724] i915 0000:00:02.0: [drm] Finished loading DMC firmware
i915/tgl_dmc_ver2_06.bin (v2.6)
[ 4.242635] i915 0000:00:02.0: [drm] PHY D is disabled/in DSI mode with an
ungated DDI clock, gate it
[ 4.361120] [drm] Initialized i915 1.6.0 20200715 for 0000:00:02.0 on minor
0
[ 4.363066] ACPI: Video Device [GFX0] (multi-head: yes rom: no post: no)
[ 4.363687] input: Video Bus as
/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input3
[ 4.408002] ------------[ cut here ]------------
[ 4.408007] WARNING: CPU: 7 PID: 58 at kernel/kmod.c:136
__request_module+0x18e/0x2da
[ 4.408007] Modules linked in: i915 nvme xhci_pci xhci_pci_renesas xhci_hcd
rtsx_pci_sdmmc mmc_core i2c_algo_bit nvme_core drm_kms_helper usbcore
syscopyarea sysfillrect sysimgblt fb_sys_fops cec crct10dif_pclmul crc32_pclmul
ghash_clmulni_intel aesni_intel rc_core glue_helper crypto_simd drm cryptd
serio_raw intel_ish_ipc(+) rtsx_pci intel_ishtp vmd wmi battery i2c_hid video
pinctrl_tigerlake pinctrl_intel btrfs blake2b_generic libcrc32c crc32c_intel
xor raid6_pq sg dm_multipath dm_mod scsi_dh_rdac scsi_dh_emc scsi_dh_alua
efivarfs
[ 4.408021] CPU: 7 PID: 58 Comm: kworker/u16:1 Not tainted 5.9.1-1-default
#1 openSUSE Tumbleweed
[ 4.408022] Hardware name: Dell Inc. XPS 13 9310/0F7M4C, BIOS 1.0.3
10/05/2020
[ 4.408023] Workqueue: events_unbound async_run_entry_fn
[ 4.408025] RIP: 0010:__request_module+0x18e/0x2da
[ 4.408026] Code: 89 f1 44 89 ea 48 8d 74 24 40 e8 dd 3e d3 00 49 8b 04 24
48 85 c0 75 de e9 54 ff ff ff e8 ea e5 ff ff 84 c0 0f 84 c7 fe ff ff <0f> 0b e9
c0 fe ff ff 48 c7 c6 90 57 81 9a 48 c7 c7 e0 2e 06 9b e8
[ 4.408026] RSP: 0018:ffffb0a4002e7a48 EFLAGS: 00010202
[ 4.408027] RAX: ffff9c0586d04301 RBX: 0000000000000001 RCX:
0000000000000000
[ 4.408027] RDX: ffffffffc0890b4b RSI: ffffffffc0609f2c RDI:
ffff9c0586d14b00
[ 4.408028] RBP: ffffb0a4002e7b18 R08: ffff9c0586f46d23 R09:
0000000000000000
[ 4.408028] R10: 0000000000000000 R11: ffff9c0586f46d23 R12:
ffffffffc0609f2c
[ 4.408029] R13: 0000000000000000 R14: ffff9c0c5e63f800 R15:
ffff9c0c3fd4d658
[ 4.408029] FS: 0000000000000000(0000) GS:ffff9c0cef7c0000(0000)
knlGS:0000000000000000
[ 4.408030] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4.408030] CR2: 000055a796efe520 CR3: 0000000106fe4002 CR4:
0000000000770ee0
[ 4.408031] PKRU: 55555554
[ 4.408031] Call Trace:
[ 4.408035] ? vsnprintf+0x368/0x4f0
[ 4.408039] ? kvasprintf+0x7b/0xc0
[ 4.408042] rc_map_get+0x30/0x60 [rc_core]
[ 4.408045] rc_prepare_rx_device+0x35/0x280 [rc_core]
[ 4.408047] rc_register_device+0xf1/0x1e0 [rc_core]
[ 4.408049] cec_register_adapter.part.0+0x3b/0x170 [cec]
[ 4.408058] drm_dp_cec_set_edid+0x131/0x1a7 [drm_kms_helper]
[ 4.408106] intel_dp_set_edid+0x8d/0xc0 [i915]
[ 4.408139] intel_dp_detect+0x204/0x480 [i915]
[ 4.408144] drm_helper_probe_detect+0x49/0xa0 [drm_kms_helper]
[ 4.408148] drm_helper_probe_single_connector_modes+0x435/0x5b0
[drm_kms_helper]
[ 4.408162] drm_client_modeset_probe+0x1df/0x500 [drm]
[ 4.408167] __drm_fb_helper_initial_config_and_unlock+0x30/0xc0
[drm_kms_helper]
[ 4.408199] intel_fbdev_initial_config+0x14/0x30 [i915]
[ 4.408201] async_run_entry_fn+0x37/0x140
[ 4.408203] process_one_work+0x1e3/0x3b0
[ 4.408204] worker_thread+0x46/0x340
[ 4.408205] ? process_one_work+0x3b0/0x3b0
[ 4.408207] kthread+0x11b/0x140
[ 4.408208] ? __kthread_bind_mask+0x60/0x60
[ 4.408210] ret_from_fork+0x1f/0x30
[ 4.408211] ---[ end trace 62d24077968bd90f ]---
[ 4.434360] rc_core: IR keymap rc-cec not found
[ 4.434367] Registered IR keymap rc-empty
[ 4.434416] rc rc0: DP-1 as /devices/pci0000:00/0000:00:02.0/rc/rc0
[ 4.434478] input: DP-1 as /devices/pci0000:00/0000:00:02.0/rc/rc0/input4
[ 4.440357] fbcon: i915drmfb (fb0) is primary device
I think this is why my XPS (with the 5.9.1 kernel) does not properly enumerate
the external displays.
kernel-default-5.9.1-1.2.x86_64 from openSUSE TW