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[91.106.155.124]) by smtp.gmail.com with ESMTPSA id cw21sm793699edb.85.2021.01.16.04.49.06 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sat, 16 Jan 2021 04:49:06 -0800 (PST) Date: Sat, 16 Jan 2021 13:48:56 +0100 From: Oliver Graute To: Fabio Estevam Cc: Thierry Reding , Sam Ravnborg , Marco Felsch , David Airlie , Daniel Vetter , DRI mailing list , linux-kernel Subject: Re: [PATCH v1] drm/panel: simple: add SGD GKTW70SDAD1SD Message-ID: <20210116124856.GA3406@portage> References: <1608381853-18582-1-git-send-email-oliver.graute@gmail.com> <20210108214313.GA7979@ripley> <20210110153532.GA7264@ripley> <20210110200606.GD7264@ripley> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.5.24 (2015-08-30) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 10/01/21, Fabio Estevam wrote: > On Sun, Jan 10, 2021 at 5:09 PM Oliver Graute wrote: > > > here the schematics and my dts. The board is using a LVDS connector for > > the display. > > The schematics shows the GKTW70SDAD1SD panel in the J4 connector, not > the LVDS J7 connector. yes you are right. But how to I map this fact correctly in my dts? > > https://www.variscite.de/wp-content/uploads/2017/12/VAR-6ULCustomboard-Schematics.pdf > > https://lore.kernel.org/linux-arm-kernel/1610144511-19018-3-git-send-email-oliver.graute@gmail.com/ > > As I mentioned earlier you should remove the display timings from the > dts when using the compatible string for the panel. I got this and removed the display timings. > > power-supply = <®_touch_3v3> is not correct, as the reg_touch_3v3 > does not power the LCD. yes, but how is the LCD correctly powered then? > > Another hint is to use the PLL5_VIDEO as the clock source for the > lcdif controller as done in the imx6ul evk dtsi. I already figured it out and tried it. But because of the faults above it didn't make any difference. > > It would also help if you could share the complete boot log. here is the boot log Starting kernel ... [ 0.000000] Booting Linux on physical CPU 0x0 [ 0.000000] Linux version 5.10.0-test-00006-gc24ef7716d4b (oliver@ripley) (arm-linux-gnueabihf-gcc (Ubuntu/Linaro 5.4.0-6ubuntu1~16.04.9) 5.4.0 20160609, GNU ld (GNU Binutils for Ubuntu) 2.26.1) #1 SMP Sat Jan 16 13:28:37 CET 2021 [ 0.000000] CPU: ARMv7 Processor [410fc075] revision 5 (ARMv7), cr=10c5387d [ 0.000000] CPU: div instructions available: patching division code [ 0.000000] CPU: PIPT / VIPT nonaliasing data cache, VIPT aliasing instruction cache [ 0.000000] OF: fdt: Machine model: Variscite i.MX6 UltraLite Carrier-board [ 0.000000] earlycon: ec_imx6q0 at MMIO 0x02020000 (options '') [ 0.000000] printk: bootconsole [ec_imx6q0] enabled [ 0.000000] Memory policy: Data cache writealloc [ 0.000000] cma: Reserved 64 MiB at 0x9c000000 [ 0.000000] Zone ranges: [ 0.000000] Normal [mem 0x0000000080000000-0x000000009fffffff] [ 0.000000] HighMem empty [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000080000000-0x000000009fffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000080000000-0x000000009fffffff] [ 0.000000] percpu: Embedded 18 pages/cpu s51692 r0 d22036 u73728 [ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 130048 [ 0.000000] Kernel command line: console=ttymxc0,115200,115200 root=/dev/nfs ip=dhcp nfsroot=192.168.3.13:/volume1/nfs/rootfs/,v3,tcp rw earlycon [ 0.000000] Dentry cache hash table entries: 65536 (order: 6, 262144 bytes, linear) [ 0.000000] Inode-cache hash table entries: 32768 (order: 5, 131072 bytes, linear) [ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off [ 0.000000] Memory: 422620K/524288K available (16384K kernel code, 2090K rwdata, 4636K rodata, 1024K init, 6680K bss, 36132K reserved, 65536K cma-reserved, 0K highmem) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=1, Nodes=1 [ 0.000000] Running RCU self tests [ 0.000000] rcu: Hierarchical RCU implementation. [ 0.000000] rcu: RCU event tracing is enabled. [ 0.000000] rcu: RCU lockdep checking is enabled. [ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=4 to nr_cpu_ids=1. [ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=1 [ 0.000000] NR_IRQS: 16, nr_irqs: 16, preallocated irqs: 16 [ 0.000000] random: get_random_bytes called from start_kernel+0x350/0x570 with crng_init=0 [ 0.000000] Switching to timer-based delay loop, resolution 41ns [ 0.000023] sched_clock: 32 bits at 24MHz, resolution 41ns, wraps every 89478484971ns [ 0.007847] clocksource: mxc_timer1: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 79635851949 ns [ 0.021360] Console: colour dummy device 80x30 [ 0.023088] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 0.031763] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 0.034908] ... MAX_LOCK_DEPTH: 48 [ 0.039082] ... MAX_LOCKDEP_KEYS: 8192 [ 0.043532] ... CLASSHASH_SIZE: 4096 [ 0.047784] ... MAX_LOCKDEP_ENTRIES: 32768 [ 0.052216] ... MAX_LOCKDEP_CHAINS: 65536 [ 0.056739] ... CHAINHASH_SIZE: 32768 [ 0.061095] memory used by lock dependency info: 4061 kB [ 0.066484] memory used for stack traces: 2112 kB [ 0.071350] per task-struct memory footprint: 1536 bytes [ 0.076832] Calibrating delay loop (skipped), value calculated using timer frequency.. 48.00 BogoMIPS (lpj=240000) [ 0.087133] pid_max: default: 32768 minimum: 301 [ 0.092643] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear) [ 0.099090] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear) [ 0.116687] CPU: Testing write buffer coherency: ok [ 0.121675] CPU0: update cpu_capacity 1024 [ 0.123195] CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 [ 0.137375] Setting up static identity map for 0x80100000 - 0x80100078 [ 0.143540] rcu: Hierarchical SRCU implementation. [ 0.151036] smp: Bringing up secondary CPUs ... [ 0.153042] smp: Brought up 1 node, 1 CPU [ 0.156812] SMP: Total of 1 processors activated (48.00 BogoMIPS). [ 0.163139] CPU: All CPU(s) started in SVC mode. [ 0.175033] devtmpfs: initialized [ 0.261435] VFP support v0.3: implementor 41 architecture 2 part 30 variant 7 rev 5 [ 0.270309] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.277744] futex hash table entries: 256 (order: 2, 16384 bytes, linear) [ 0.291069] pinctrl core: initialized pinctrl subsystem [ 0.311238] NET: Registered protocol family 16 [ 0.403814] DMA: preallocated 256 KiB pool for atomic coherent allocations [ 0.425861] thermal_sys: Registered thermal governor 'step_wise' [ 0.426475] cpuidle: using governor menu [ 1.392555] vdd3p0: supplied by regulator-dummy [ 1.449176] cpu: supplied by regulator-dummy [ 1.505982] vddsoc: supplied by regulator-dummy [ 2.650693] random: fast init done [ 2.847428] No ATAGs? [ 2.848468] hw-breakpoint: found 5 (+1 reserved) breakpoint and 4 watchpoint registers. [ 2.855189] hw-breakpoint: maximum watchpoint size is 8 bytes. [ 2.879973] imx6ul-pinctrl 20e0000.pinctrl: initialized IMX pinctrl driver [ 3.354311] mxs-dma 1804000.dma-apbh: initialized [ 3.383607] vgaarb: loaded [ 3.390804] SCSI subsystem initialized [ 3.397679] usbcore: registered new interface driver usbfs [ 3.401103] usbcore: registered new interface driver hub [ 3.406748] usbcore: registered new device driver usb [ 3.423207] i2c i2c-0: IMX I2C adapter registered [ 3.442071] i2c i2c-1: IMX I2C adapter registered [ 3.447952] mc: Linux media interface: v0.10 [ 3.449908] videodev: Linux video capture interface: v2.00 [ 3.456756] pps_core: LinuxPPS API ver. 1 registered [ 3.460340] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 3.469854] PTP clock support registered [ 3.479174] Advanced Linux Sound Architecture Driver Initialized. [ 3.494302] Bluetooth: Core ver 2.22 [ 3.495526] NET: Registered protocol family 31 [ 3.499561] Bluetooth: HCI device and connection manager initialized [ 3.506443] Bluetooth: HCI socket layer initialized [ 3.510845] Bluetooth: L2CAP socket layer initialized [ 3.516540] Bluetooth: SCO socket layer initialized [ 3.529473] clocksource: Switched to clocksource mxc_timer1 [ 7.164127] VFS: Disk quotas dquot_6.6.0 [ 7.165818] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) [ 7.287891] NET: Registered protocol family 2 [ 7.296268] tcp_listen_portaddr_hash hash table entries: 256 (order: 1, 11264 bytes, linear) [ 7.302390] TCP established hash table entries: 4096 (order: 2, 16384 bytes, linear) [ 7.310128] TCP bind hash table entries: 4096 (order: 5, 163840 bytes, linear) [ 7.318099] TCP: Hash tables configured (established 4096 bind 4096) [ 7.325842] UDP hash table entries: 256 (order: 2, 24576 bytes, linear) [ 7.330778] UDP-Lite hash table entries: 256 (order: 2, 24576 bytes, linear) [ 7.338423] NET: Registered protocol family 1 [ 7.350914] RPC: Registered named UNIX socket transport module. [ 7.354304] RPC: Registered udp transport module. [ 7.358969] RPC: Registered tcp transport module. [ 7.363933] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 7.375508] PCI: CLS 0 bytes, default 64 [ 7.386725] hw perfevents: enabled with armv7_cortex_a7 PMU driver, 5 counters available [ 7.411999] Initialise system trusted keyrings [ 7.416009] workingset: timestamp_bits=30 max_order=17 bucket_order=0 [ 7.507155] NFS: Registering the id_resolver key type [ 7.510409] Key type id_resolver registered [ 7.513667] Key type id_legacy registered [ 7.518795] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 7.524853] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 7.532837] jffs2: version 2.2. (NAND) ? 2001-2006 Red Hat, Inc. [ 7.544270] fuse: init (API version 7.32) [ 7.755072] Key type asymmetric registered [ 7.756777] Asymmetric key parser 'x509' registered [ 7.762464] io scheduler mq-deadline registered [ 7.765824] io scheduler kyber registered [ 7.795980] pwm-backlight backlight: supply power not found, using dummy regulator [ 7.804436] OF: /backlight: #pwm-cells = 3 found -1 [ 7.806563] of_pwm_get(): can't parse "pwms" property [ 7.812026] pwm-backlight backlight: unable to request PWM [ 7.822929] pwm-backlight: probe of backlight failed with error -22 [ 7.876831] imx-sdma 20ec000.sdma: Direct firmware load for imx/sdma/sdma-imx6q.bin failed with error -2 [ 7.884231] imx-sdma 20ec000.sdma: Falling back to sysfs fallback for: imx/sdma/sdma-imx6q.bin [ 7.916013] printk: console [ttymxc0] enabled [ 7.916013] printk: console [ttymxc0] enabled [ 7.922351] printk: bootconsole [ec_imx6q0] disabled [ 7.922351] printk: bootconsole [ec_imx6q0] disabled [ 7.952397] 21e8000.serial: ttymxc1 at MMIO 0x21e8000 (irq = 68, base_baud = 5000000) is a IMX [ 7.970794] 21ec000.serial: ttymxc2 at MMIO 0x21ec000 (irq = 69, base_baud = 5000000) is a IMX [ 8.033015] ------------[ cut here ]------------ [ 8.037826] WARNING: CPU: 0 PID: 1 at ../drivers/gpu/drm/panel/panel-simple.c:577 panel_simple_probe+0x5dc/0x6b8 [ 8.048370] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.10.0-test-00006-gc24ef7716d4b #1 [ 8.056554] Hardware name: Freescale i.MX6 Ultralite (Device Tree) [ 8.062858] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 8.070708] [] (show_stack) from [] (dump_stack+0xdc/0x104) [ 8.078120] [] (dump_stack) from [] (__warn+0x100/0x114) [ 8.085265] [] (__warn) from [] (warn_slowpath_fmt+0xa4/0xb4) [ 8.092843] [] (warn_slowpath_fmt) from [] (panel_simple_probe+0x5dc/0x6b8) [ 8.101639] [] (panel_simple_probe) from [] (platform_drv_probe+0x6c/0xa4) [ 8.110352] [] (platform_drv_probe) from [] (really_probe+0x200/0x3a8) [ 8.118712] [] (really_probe) from [] (driver_probe_device+0x58/0xb4) [ 8.126989] [] (driver_probe_device) from [] (device_driver_attach+0x58/0x60) [ 8.135949] [] (device_driver_attach) from [] (__driver_attach+0x5c/0xd4) [ 8.144567] [] (__driver_attach) from [] (bus_for_each_dev+0x64/0xb4) [ 8.152843] [] (bus_for_each_dev) from [] (bus_add_driver+0x130/0x1d8) [ 8.161201] [] (bus_add_driver) from [] (driver_register+0x78/0x110) [ 8.169382] [] (driver_register) from [] (panel_simple_init+0x10/0x34) [ 8.177740] [] (panel_simple_init) from [] (do_one_initcall+0x154/0x390) [ 8.186271] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1d4) [ 8.195061] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x120) [ 8.203334] [] (kernel_init) from [] (ret_from_fork+0x14/0x20) [ 8.210990] Exception stack(0xc40dbfb0 to 0xc40dbff8) [ 8.216129] bfa0: 00000000 00000000 00000000 00000000 [ 8.224395] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 8.232654] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 8.239774] irq event stamp: 621541 [ 8.243390] hardirqs last enabled at (621549): [] console_unlock+0x4b8/0x61c [ 8.251707] hardirqs last disabled at (621558): [] console_unlock+0x49c/0x61c [ 8.260131] softirqs last enabled at (621576): [] __do_softirq+0x474/0x5c4 [ 8.268068] softirqs last disabled at (621567): [] irq_exit+0x1a4/0x1e4 [ 8.275888] ---[ end trace e465f1043b41b1a4 ]--- [ 8.280787] ------------[ cut here ]------------ [ 8.285519] WARNING: CPU: 0 PID: 1 at ../drivers/gpu/drm/panel/panel-simple.c:580 panel_simple_probe+0x5c0/0x6b8 [ 8.295981] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 5.10.0-test-00006-gc24ef7716d4b #1 [ 8.305543] Hardware name: Freescale i.MX6 Ultralite (Device Tree) [ 8.311831] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 8.319679] [] (show_stack) from [] (dump_stack+0xdc/0x104) [ 8.327086] [] (dump_stack) from [] (__warn+0x100/0x114) [ 8.334227] [] (__warn) from [] (warn_slowpath_fmt+0xa4/0xb4) [ 8.341805] [] (warn_slowpath_fmt) from [] (panel_simple_probe+0x5c0/0x6b8) [ 8.350599] [] (panel_simple_probe) from [] (platform_drv_probe+0x6c/0xa4) [ 8.359307] [] (platform_drv_probe) from [] (really_probe+0x200/0x3a8) [ 8.367669] [] (really_probe) from [] (driver_probe_device+0x58/0xb4) [ 8.375936] [] (driver_probe_device) from [] (device_driver_attach+0x58/0x60) [ 8.384899] [] (device_driver_attach) from [] (__driver_attach+0x5c/0xd4) [ 8.393517] [] (__driver_attach) from [] (bus_for_each_dev+0x64/0xb4) [ 8.401787] [] (bus_for_each_dev) from [] (bus_add_driver+0x130/0x1d8) [ 8.410142] [] (bus_add_driver) from [] (driver_register+0x78/0x110) [ 8.418323] [] (driver_register) from [] (panel_simple_init+0x10/0x34) [ 8.426678] [] (panel_simple_init) from [] (do_one_initcall+0x154/0x390) [ 8.435207] [] (do_one_initcall) from [] (kernel_init_freeable+0x154/0x1d4) [ 8.443996] [] (kernel_init_freeable) from [] (kernel_init+0x8/0x120) [ 8.452265] [] (kernel_init) from [] (ret_from_fork+0x14/0x20) [ 8.459917] Exception stack(0xc40dbfb0 to 0xc40dbff8) [ 8.465051] bfa0: 00000000 00000000 00000000 00000000 [ 8.473318] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 8.481577] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 8.488470] irq event stamp: 621633 [ 8.492258] hardirqs last enabled at (621643): [] console_unlock+0x4b8/0x61c [ 8.500548] hardirqs last disabled at (621652): [] console_unlock+0x49c/0x61c [ 8.508658] softirqs last enabled at (621576): [] __do_softirq+0x474/0x5c4 [ 8.516772] softirqs last disabled at (621567): [] irq_exit+0x1a4/0x1e4 [ 8.524521] ---[ end trace e465f1043b41b1a5 ]--- [ 8.555193] mxsfb 21c8000.lcdif: Cannot connect bridge: -517 [ 8.706637] brd: module loaded [ 8.825662] loop: module loaded [ 8.846104] imx6ul-pinctrl 20e0000.pinctrl: pin MX6UL_PAD_NAND_CE0_B already requested by regulator-gpio; cannot claim for 1806000.nand-controller [ 8.859641] imx6ul-pinctrl 20e0000.pinctrl: pin-107 (1806000.nand-controller) status -22 [ 8.867851] imx6ul-pinctrl 20e0000.pinctrl: could not request pin 107 (MX6UL_PAD_NAND_CE0_B) from group gpminandgrp on device 20e0000.pinctrl [ 8.880930] gpmi-nand 1806000.nand-controller: Error applying setting, reverse things back [ 8.889726] gpmi-nand: probe of 1806000.nand-controller failed with error -22 [ 8.917681] libphy: Fixed MDIO Bus: probed [ 8.928368] CAN device driver interface [ 8.962525] pps pps0: new PPS source ptp0 [ 9.026335] libphy: fec_enet_mii_bus: probed [ 9.036164] fec 20b4000.ethernet eth0: registered PHC device 0 [ 9.051151] pps pps1: new PPS source ptp1 [ 9.068656] libphy: fec_enet_mii_bus: probed [ 9.089867] fec 2188000.ethernet eth1: registered PHC device 1 [ 9.109051] pegasus: v0.9.3 (2013/04/25), Pegasus/Pegasus II USB Ethernet driver [ 9.117210] usbcore: registered new interface driver pegasus [ 9.123968] usbcore: registered new interface driver rtl8150 [ 9.130333] usbcore: registered new interface driver r8152 [ 9.136273] usbcore: registered new interface driver lan78xx [ 9.142645] usbcore: registered new interface driver asix [ 9.148502] usbcore: registered new interface driver ax88179_178a [ 9.155443] usbcore: registered new interface driver cdc_ether [ 9.162529] usbcore: registered new interface driver cdc_eem [ 9.168667] usbcore: registered new interface driver smsc95xx [ 9.175103] usbcore: registered new interface driver net1080 [ 9.181434] usbcore: registered new interface driver cdc_subset [ 9.187846] usbcore: registered new interface driver zaurus [ 9.194079] usbcore: registered new interface driver MOSCHIP usb-ethernet driver [ 9.202160] usbcore: registered new interface driver cdc_ncm [ 9.207918] ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver [ 9.214727] ehci-pci: EHCI PCI platform driver [ 9.220259] ehci-mxc: Freescale On-Chip EHCI Host driver [ 9.228695] usbcore: registered new interface driver cdc_acm [ 9.234708] cdc_acm: USB Abstract Control Model driver for USB modems and ISDN adapters [ 9.243445] usbcore: registered new interface driver usb-storage [ 9.250559] usbcore: registered new interface driver usbserial_generic [ 9.258331] usbserial: USB Serial support registered for generic [ 9.265294] usbcore: registered new interface driver ftdi_sio [ 9.271636] usbserial: USB Serial support registered for FTDI USB Serial Device [ 9.279599] usbcore: registered new interface driver option [ 9.285539] usbserial: USB Serial support registered for GSM modem (1-port) [ 9.293196] usbcore: registered new interface driver usbtest [ 9.299564] usbcore: registered new interface driver usb_ehset_test [ 9.325952] udc-core: couldn't find an available UDC - added [zero] to list of pending drivers [ 9.335587] udc-core: couldn't find an available UDC - added [g_audio] to list of pending drivers [ 9.344884] udc-core: couldn't find an available UDC - added [g_ether] to list of pending drivers [ 9.354088] gadgetfs: USB Gadget filesystem, version 24 Aug 2004 [ 9.361116] file system registered [ 9.364948] udc-core: couldn't find an available UDC - added [g_mass_storage] to list of pending drivers [ 9.374795] udc-core: couldn't find an available UDC - added [g_serial] to list of pending drivers [ 9.384064] udc-core: couldn't find an available UDC - added [g_ncm] to list of pending drivers [ 9.416809] edt_ft5x06 1-0038: supply vcc not found, using dummy regulator [ 9.495351] rtc-ds1307 1-0068: registered as rtc0 [ 9.505051] input: generic ft5x06 (79) as /devices/platform/soc/2100000.bus/21a4000.i2c/i2c-1/1-0038/input/input0 [ 9.521207] rtc-ds1307 1-0068: setting system clock to 2021-01-16T12:30:39 UTC (1610800239) [ 9.551561] i2c /dev entries driver [ 9.589585] usbcore: registered new interface driver uvcvideo [ 9.595449] USB Video Class driver (1.1.1) [ 9.599834] gspca_main: v2.14.0 registered [ 9.635967] Bluetooth: HCI UART driver ver 2.3 [ 9.640803] Bluetooth: HCI UART protocol H4 registered [ 9.646340] Bluetooth: HCI UART protocol LL registered [ 9.662712] sdhci: Secure Digital Host Controller Interface driver [ 9.669009] sdhci: Copyright(c) Pierre Ossman [ 9.673868] sdhci-pltfm: SDHCI platform and OF driver helper [ 9.722618] caam 2140000.crypto: Entropy delay = 3200 [ 9.788611] caam 2140000.crypto: Instantiated RNG4 SH0 [ 9.849356] caam 2140000.crypto: Instantiated RNG4 SH1 [ 9.855265] caam 2140000.crypto: device ID = 0x0a16030000000000 (Era 8) [ 9.862294] caam 2140000.crypto: job rings = 3, qi = 0 [ 9.903916] mmc0: SDHCI controller on 2190000.mmc [2190000.mmc] using ADMA [ 9.967220] mmc0: host does not support reading read-only switch, assuming write-enable [ 9.991438] mmc0: new high speed SDHC card at address aaaa [ 10.023447] mmcblk0: mmc0:aaaa SC16G 14.8 GiB [ 10.083463] caam algorithms registered in /proc/crypto [ 10.132831] caam 2140000.crypto: caam pkc algorithms registered in /proc/crypto [ 10.141949] caam 2140000.crypto: registering rng-caam [ 10.168853] usbcore: registered new interface driver usbhid [ 10.175089] usbhid: USB HID core driver [ 10.237153] usbcore: registered new interface driver snd-usb-audio [ 10.260575] asoc-simple-card: probe of sound failed with error -22 [ 10.316426] NET: Registered protocol family 10 [ 10.332689] random: crng init done [ 10.341742] Segment Routing with IPv6 [ 10.345950] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [ 10.360866] NET: Registered protocol family 17 [ 10.365577] can: controller area network core [ 10.371385] NET: Registered protocol family 29 [ 10.375981] can: raw protocol [ 10.379843] can: broadcast manager protocol [ 10.384472] can: netlink gateway - max_hops=1 [ 10.390383] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [ 10.396279] Bluetooth: BNEP socket layer initialized [ 10.402164] Key type dns_resolver registered [ 10.445667] Registering SWP/SWPB emulation handler [ 10.452270] Loading compiled-in X.509 certificates [ 10.812158] ------------[ cut here ]------------ [ 10.817337] WARNING: CPU: 0 PID: 58 at ../drivers/gpu/drm/panel/panel-simple.c:577 panel_simple_probe+0x5dc/0x6b8 [ 10.827903] CPU: 0 PID: 58 Comm: kworker/0:2 Tainted: G W 5.10.0-test-00006-gc24ef7716d4b #1 [ 10.837712] Hardware name: Freescale i.MX6 Ultralite (Device Tree) [ 10.843970] Workqueue: events deferred_probe_work_func [ 10.849237] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 10.857062] [] (show_stack) from [] (dump_stack+0xdc/0x104) [ 10.864448] [] (dump_stack) from [] (__warn+0x100/0x114) [ 10.871568] [] (__warn) from [] (warn_slowpath_fmt+0xa4/0xb4) [ 10.879126] [] (warn_slowpath_fmt) from [] (panel_simple_probe+0x5dc/0x6b8) [ 10.887895] [] (panel_simple_probe) from [] (platform_drv_probe+0x6c/0xa4) [ 10.896582] [] (platform_drv_probe) from [] (really_probe+0x200/0x3a8) [ 10.904922] [] (really_probe) from [] (driver_probe_device+0x58/0xb4) [ 10.913175] [] (driver_probe_device) from [] (bus_for_each_drv+0x70/0xb8) [ 10.921774] [] (bus_for_each_drv) from [] (__device_attach+0xdc/0x150) [ 10.930110] [] (__device_attach) from [] (bus_probe_device+0x88/0x90) [ 10.938357] [] (bus_probe_device) from [] (deferred_probe_work_func+0x68/0x98) [ 10.947392] [] (deferred_probe_work_func) from [] (process_one_work+0x21c/0x7f8) [ 10.956600] [] (process_one_work) from [] (worker_thread+0x34/0x568) [ 10.964762] [] (worker_thread) from [] (kthread+0x124/0x160) [ 10.972231] [] (kthread) from [] (ret_from_fork+0x14/0x20) [ 10.979512] Exception stack(0xc447bfb0 to 0xc447bff8) [ 10.984629] bfa0: 00000000 00000000 00000000 00000000 [ 10.992875] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 11.001121] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 11.008062] irq event stamp: 3805 [ 11.011633] hardirqs last enabled at (3815): [] console_unlock+0x4b8/0x61c [ 11.019694] hardirqs last disabled at (3824): [] console_unlock+0x49c/0x61c [ 11.027616] softirqs last enabled at (3804): [] __do_softirq+0x474/0x5c4 [ 11.035508] softirqs last disabled at (3793): [] irq_exit+0x1a4/0x1e4 [ 11.043042] ---[ end trace e465f1043b41b1a7 ]--- [ 11.047731] ------------[ cut here ]------------ [ 11.052585] WARNING: CPU: 0 PID: 58 at ../drivers/gpu/drm/panel/panel-simple.c:580 panel_simple_probe+0x5c0/0x6b8 [ 11.063070] CPU: 0 PID: 58 Comm: kworker/0:2 Tainted: G W 5.10.0-test-00006-gc24ef7716d4b #1 [ 11.072872] Hardware name: Freescale i.MX6 Ultralite (Device Tree) [ 11.079129] Workqueue: events deferred_probe_work_func [ 11.084389] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 11.092212] [] (show_stack) from [] (dump_stack+0xdc/0x104) [ 11.099596] [] (dump_stack) from [] (__warn+0x100/0x114) [ 11.106716] [] (__warn) from [] (warn_slowpath_fmt+0xa4/0xb4) [ 11.114268] [] (warn_slowpath_fmt) from [] (panel_simple_probe+0x5c0/0x6b8) [ 11.123040] [] (panel_simple_probe) from [] (platform_drv_probe+0x6c/0xa4) [ 11.131724] [] (platform_drv_probe) from [] (really_probe+0x200/0x3a8) [ 11.140059] [] (really_probe) from [] (driver_probe_device+0x58/0xb4) [ 11.148310] [] (driver_probe_device) from [] (bus_for_each_drv+0x70/0xb8) [ 11.156911] [] (bus_for_each_drv) from [] (__device_attach+0xdc/0x150) [ 11.165248] [] (__device_attach) from [] (bus_probe_device+0x88/0x90) [ 11.173500] [] (bus_probe_device) from [] (deferred_probe_work_func+0x68/0x98) [ 11.182534] [] (deferred_probe_work_func) from [] (process_one_work+0x21c/0x7f8) [ 11.191742] [] (process_one_work) from [] (worker_thread+0x34/0x568) [ 11.199905] [] (worker_thread) from [] (kthread+0x124/0x160) [ 11.207368] [] (kthread) from [] (ret_from_fork+0x14/0x20) [ 11.214650] Exception stack(0xc447bfb0 to 0xc447bff8) [ 11.219765] bfa0: 00000000 00000000 00000000 00000000 [ 11.228007] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 11.236247] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 11.243904] irq event stamp: 3907 [ 11.247341] hardirqs last enabled at (3915): [] console_unlock+0x4b8/0x61c [ 11.255474] hardirqs last disabled at (3924): [] console_unlock+0x49c/0x61c [ 11.263560] softirqs last enabled at (3906): [] __do_softirq+0x474/0x5c4 [ 11.271460] softirqs last disabled at (3885): [] irq_exit+0x1a4/0x1e4 [ 11.278844] ---[ end trace e465f1043b41b1a8 ]--- [ 11.302291] mxsfb 21c8000.lcdif: Cannot connect bridge: -517 [ 11.326811] ci_hdrc ci_hdrc.0: EHCI Host Controller [ 11.334665] ci_hdrc ci_hdrc.0: new USB bus registered, assigned bus number 1 [ 11.374141] ci_hdrc ci_hdrc.0: USB 2.0 started, EHCI 1.00 [ 11.390686] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 11.400588] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.408402] usb usb1: Product: EHCI Host Controller [ 11.413953] usb usb1: Manufacturer: Linux 5.10.0-test-00006-gc24ef7716d4b ehci_hcd [ 11.422140] usb usb1: SerialNumber: ci_hdrc.0 [ 11.457684] hub 1-0:1.0: USB hub found [ 11.464445] hub 1-0:1.0: 1 port detected [ 11.528228] ci_hdrc ci_hdrc.1: EHCI Host Controller [ 11.533665] ci_hdrc ci_hdrc.1: new USB bus registered, assigned bus number 2 [ 11.574798] ci_hdrc ci_hdrc.1: USB 2.0 started, EHCI 1.00 [ 11.585841] usb usb2: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.10 [ 11.596217] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1 [ 11.604190] usb usb2: Product: EHCI Host Controller [ 11.609675] usb usb2: Manufacturer: Linux 5.10.0-test-00006-gc24ef7716d4b ehci_hcd [ 11.617474] usb usb2: SerialNumber: ci_hdrc.1 [ 11.637873] hub 2-0:1.0: USB hub found [ 11.643943] hub 2-0:1.0: 1 port detected [ 11.692929] imx_thermal 20c8000.anatop:tempmon: Industrial CPU temperature grade - max:105C critical:100C passive:95C [ 11.724794] ------------[ cut here ]------------ [ 11.729848] WARNING: CPU: 0 PID: 58 at ../drivers/gpu/drm/panel/panel-simple.c:577 panel_simple_probe+0x5dc/0x6b8 [ 11.740382] CPU: 0 PID: 58 Comm: kworker/0:2 Tainted: G W 5.10.0-test-00006-gc24ef7716d4b #1 [ 11.750191] Hardware name: Freescale i.MX6 Ultralite (Device Tree) [ 11.756449] Workqueue: events deferred_probe_work_func [ 11.761722] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 11.769549] [] (show_stack) from [] (dump_stack+0xdc/0x104) [ 11.776938] [] (dump_stack) from [] (__warn+0x100/0x114) [ 11.784060] [] (__warn) from [] (warn_slowpath_fmt+0xa4/0xb4) [ 11.791612] [] (warn_slowpath_fmt) from [] (panel_simple_probe+0x5dc/0x6b8) [ 11.800384] [] (panel_simple_probe) from [] (platform_drv_probe+0x6c/0xa4) [ 11.809070] [] (platform_drv_probe) from [] (really_probe+0x200/0x3a8) [ 11.817410] [] (really_probe) from [] (driver_probe_device+0x58/0xb4) [ 11.825658] [] (driver_probe_device) from [] (bus_for_each_drv+0x70/0xb8) [ 11.834256] [] (bus_for_each_drv) from [] (__device_attach+0xdc/0x150) [ 11.842592] [] (__device_attach) from [] (bus_probe_device+0x88/0x90) [ 11.850843] [] (bus_probe_device) from [] (deferred_probe_work_func+0x68/0x98) [ 11.859876] [] (deferred_probe_work_func) from [] (process_one_work+0x21c/0x7f8) [ 11.869085] [] (process_one_work) from [] (worker_thread+0x34/0x568) [ 11.877249] [] (worker_thread) from [] (kthread+0x124/0x160) [ 11.884718] [] (kthread) from [] (ret_from_fork+0x14/0x20) [ 11.892002] Exception stack(0xc447bfb0 to 0xc447bff8) [ 11.897117] bfa0: 00000000 00000000 00000000 00000000 [ 11.905360] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 11.913602] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 11.920591] irq event stamp: 11963 [ 11.924100] hardirqs last enabled at (11971): [] console_unlock+0x4b8/0x61c [ 11.932274] hardirqs last disabled at (11980): [] console_unlock+0x49c/0x61c [ 11.940425] softirqs last enabled at (11962): [] __do_softirq+0x474/0x5c4 [ 11.948256] softirqs last disabled at (11953): [] irq_exit+0x1a4/0x1e4 [ 11.955880] ---[ end trace e465f1043b41b1a9 ]--- [ 11.960703] ------------[ cut here ]------------ [ 11.965405] WARNING: CPU: 0 PID: 58 at ../drivers/gpu/drm/panel/panel-simple.c:580 panel_simple_probe+0x5c0/0x6b8 [ 11.975892] CPU: 0 PID: 58 Comm: kworker/0:2 Tainted: G W 5.10.0-test-00006-gc24ef7716d4b #1 [ 11.985693] Hardware name: Freescale i.MX6 Ultralite (Device Tree) [ 11.991948] Workqueue: events deferred_probe_work_func [ 11.997207] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 12.005030] [] (show_stack) from [] (dump_stack+0xdc/0x104) [ 12.012415] [] (dump_stack) from [] (__warn+0x100/0x114) [ 12.019535] [] (__warn) from [] (warn_slowpath_fmt+0xa4/0xb4) [ 12.027089] [] (warn_slowpath_fmt) from [] (panel_simple_probe+0x5c0/0x6b8) [ 12.035858] [] (panel_simple_probe) from [] (platform_drv_probe+0x6c/0xa4) [ 12.044544] [] (platform_drv_probe) from [] (really_probe+0x200/0x3a8) [ 12.052886] [] (really_probe) from [] (driver_probe_device+0x58/0xb4) [ 12.061136] [] (driver_probe_device) from [] (bus_for_each_drv+0x70/0xb8) [ 12.069732] [] (bus_for_each_drv) from [] (__device_attach+0xdc/0x150) [ 12.078067] [] (__device_attach) from [] (bus_probe_device+0x88/0x90) [ 12.086320] [] (bus_probe_device) from [] (deferred_probe_work_func+0x68/0x98) [ 12.095352] [] (deferred_probe_work_func) from [] (process_one_work+0x21c/0x7f8) [ 12.104557] [] (process_one_work) from [] (worker_thread+0x34/0x568) [ 12.112719] [] (worker_thread) from [] (kthread+0x124/0x160) [ 12.120184] [] (kthread) from [] (ret_from_fork+0x14/0x20) [ 12.127465] Exception stack(0xc447bfb0 to 0xc447bff8) [ 12.132579] bfa0: 00000000 00000000 00000000 00000000 [ 12.140821] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 12.149061] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 12.155901] irq event stamp: 12041 [ 12.159533] hardirqs last enabled at (12051): [] console_unlock+0x4b8/0x61c [ 12.167536] hardirqs last disabled at (12058): [] console_unlock+0x49c/0x61c [ 12.175682] softirqs last enabled at (11962): [] __do_softirq+0x474/0x5c4 [ 12.183652] softirqs last disabled at (11953): [] irq_exit+0x1a4/0x1e4 [ 12.191263] ---[ end trace e465f1043b41b1aa ]--- [ 12.215142] mxsfb 21c8000.lcdif: Cannot connect bridge: -517 [ 12.231222] ------------[ cut here ]------------ [ 12.235967] WARNING: CPU: 0 PID: 58 at ../drivers/gpu/drm/panel/panel-simple.c:577 panel_simple_probe+0x5dc/0x6b8 [ 12.246650] CPU: 0 PID: 58 Comm: kworker/0:2 Tainted: G W 5.10.0-test-00006-gc24ef7716d4b #1 [ 12.256462] Hardware name: Freescale i.MX6 Ultralite (Device Tree) [ 12.262719] Workqueue: events deferred_probe_work_func [ 12.267997] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 12.275822] [] (show_stack) from [] (dump_stack+0xdc/0x104) [ 12.283211] [] (dump_stack) from [] (__warn+0x100/0x114) [ 12.290333] [] (__warn) from [] (warn_slowpath_fmt+0xa4/0xb4) [ 12.297890] [] (warn_slowpath_fmt) from [] (panel_simple_probe+0x5dc/0x6b8) [ 12.306663] [] (panel_simple_probe) from [] (platform_drv_probe+0x6c/0xa4) [ 12.315350] [] (platform_drv_probe) from [] (really_probe+0x200/0x3a8) [ 12.323691] [] (really_probe) from [] (driver_probe_device+0x58/0xb4) [ 12.331948] [] (driver_probe_device) from [] (bus_for_each_drv+0x70/0xb8) [ 12.340549] [] (bus_for_each_drv) from [] (__device_attach+0xdc/0x150) [ 12.348885] [] (__device_attach) from [] (bus_probe_device+0x88/0x90) [ 12.357138] [] (bus_probe_device) from [] (deferred_probe_work_func+0x68/0x98) [ 12.366170] [] (deferred_probe_work_func) from [] (process_one_work+0x21c/0x7f8) [ 12.375381] [] (process_one_work) from [] (worker_thread+0x268/0x568) [ 12.383629] [] (worker_thread) from [] (kthread+0x124/0x160) [ 12.391097] [] (kthread) from [] (ret_from_fork+0x14/0x20) [ 12.398379] Exception stack(0xc447bfb0 to 0xc447bff8) [ 12.403498] bfa0: 00000000 00000000 00000000 00000000 [ 12.411744] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 12.419984] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 12.427042] irq event stamp: 14841 [ 12.430698] hardirqs last enabled at (14851): [] console_unlock+0x4b8/0x61c [ 12.438702] hardirqs last disabled at (14858): [] console_unlock+0x49c/0x61c [ 12.446867] softirqs last enabled at (14840): [] __do_softirq+0x474/0x5c4 [ 12.454849] softirqs last disabled at (14825): [] irq_exit+0x1a4/0x1e4 [ 12.462464] ---[ end trace e465f1043b41b1ab ]--- [ 12.467153] ------------[ cut here ]------------ [ 12.471998] WARNING: CPU: 0 PID: 58 at ../drivers/gpu/drm/panel/panel-simple.c:580 panel_simple_probe+0x5c0/0x6b8 [ 12.482490] CPU: 0 PID: 58 Comm: kworker/0:2 Tainted: G W 5.10.0-test-00006-gc24ef7716d4b #1 [ 12.492292] Hardware name: Freescale i.MX6 Ultralite (Device Tree) [ 12.498546] Workqueue: events deferred_probe_work_func [ 12.503809] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 12.511633] [] (show_stack) from [] (dump_stack+0xdc/0x104) [ 12.519017] [] (dump_stack) from [] (__warn+0x100/0x114) [ 12.526138] [] (__warn) from [] (warn_slowpath_fmt+0xa4/0xb4) [ 12.533693] [] (warn_slowpath_fmt) from [] (panel_simple_probe+0x5c0/0x6b8) [ 12.542462] [] (panel_simple_probe) from [] (platform_drv_probe+0x6c/0xa4) [ 12.551146] [] (platform_drv_probe) from [] (really_probe+0x200/0x3a8) [ 12.559481] [] (really_probe) from [] (driver_probe_device+0x58/0xb4) [ 12.567730] [] (driver_probe_device) from [] (bus_for_each_drv+0x70/0xb8) [ 12.576330] [] (bus_for_each_drv) from [] (__device_attach+0xdc/0x150) [ 12.584666] [] (__device_attach) from [] (bus_probe_device+0x88/0x90) [ 12.592914] [] (bus_probe_device) from [] (deferred_probe_work_func+0x68/0x98) [ 12.601948] [] (deferred_probe_work_func) from [] (process_one_work+0x21c/0x7f8) [ 12.611155] [] (process_one_work) from [] (worker_thread+0x268/0x568) [ 12.619405] [] (worker_thread) from [] (kthread+0x124/0x160) [ 12.626872] [] (kthread) from [] (ret_from_fork+0x14/0x20) [ 12.634153] Exception stack(0xc447bfb0 to 0xc447bff8) [ 12.639268] bfa0: 00000000 00000000 00000000 00000000 [ 12.647509] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 12.655749] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 12.662714] irq event stamp: 14933 [ 12.666213] hardirqs last enabled at (14941): [] console_unlock+0x4b8/0x61c [ 12.674380] hardirqs last disabled at (14950): [] console_unlock+0x49c/0x61c [ 12.682539] softirqs last enabled at (14932): [] __do_softirq+0x474/0x5c4 [ 12.690504] softirqs last disabled at (14921): [] irq_exit+0x1a4/0x1e4 [ 12.697971] ---[ end trace e465f1043b41b1ac ]--- [ 12.715359] mxsfb 21c8000.lcdif: Cannot connect bridge: -517 [ 12.733465] input: gpio-keys as /devices/platform/gpio-keys/input/input1 [ 12.752300] ------------[ cut here ]------------ [ 12.757039] WARNING: CPU: 0 PID: 58 at ../drivers/gpu/drm/panel/panel-simple.c:577 panel_simple_probe+0x5dc/0x6b8 [ 12.767865] CPU: 0 PID: 58 Comm: kworker/0:2 Tainted: G W 5.10.0-test-00006-gc24ef7716d4b #1 [ 12.777677] Hardware name: Freescale i.MX6 Ultralite (Device Tree) [ 12.783938] Workqueue: events deferred_probe_work_func [ 12.789215] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 12.797045] [] (show_stack) from [] (dump_stack+0xdc/0x104) [ 12.804434] [] (dump_stack) from [] (__warn+0x100/0x114) [ 12.811558] [] (__warn) from [] (warn_slowpath_fmt+0xa4/0xb4) [ 12.819115] [] (warn_slowpath_fmt) from [] (panel_simple_probe+0x5dc/0x6b8) [ 12.827891] [] (panel_simple_probe) from [] (platform_drv_probe+0x6c/0xa4) [ 12.836578] [] (platform_drv_probe) from [] (really_probe+0x200/0x3a8) [ 12.844916] [] (really_probe) from [] (driver_probe_device+0x58/0xb4) [ 12.853168] [] (driver_probe_device) from [] (bus_for_each_drv+0x70/0xb8) [ 12.861766] [] (bus_for_each_drv) from [] (__device_attach+0xdc/0x150) [ 12.870104] [] (__device_attach) from [] (bus_probe_device+0x88/0x90) [ 12.878353] [] (bus_probe_device) from [] (deferred_probe_work_func+0x68/0x98) [ 12.887385] [] (deferred_probe_work_func) from [] (process_one_work+0x21c/0x7f8) [ 12.896593] [] (process_one_work) from [] (worker_thread+0x34/0x568) [ 12.904757] [] (worker_thread) from [] (kthread+0x124/0x160) [ 12.912225] [] (kthread) from [] (ret_from_fork+0x14/0x20) [ 12.919509] Exception stack(0xc447bfb0 to 0xc447bff8) [ 12.924624] bfa0: 00000000 00000000 00000000 00000000 [ 12.932871] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 12.941112] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 12.948065] irq event stamp: 17823 [ 12.951732] hardirqs last enabled at (17833): [] console_unlock+0x4b8/0x61c [ 12.959887] hardirqs last disabled at (17842): [] console_unlock+0x49c/0x61c [ 12.967890] softirqs last enabled at (17822): [] __do_softirq+0x474/0x5c4 [ 12.975868] softirqs last disabled at (17811): [] irq_exit+0x1a4/0x1e4 [ 12.983491] ---[ end trace e465f1043b41b1ad ]--- [ 12.988186] ------------[ cut here ]------------ [ 12.993034] WARNING: CPU: 0 PID: 58 at ../drivers/gpu/drm/panel/panel-simple.c:580 panel_simple_probe+0x5c0/0x6b8 [ 13.003529] CPU: 0 PID: 58 Comm: kworker/0:2 Tainted: G W 5.10.0-test-00006-gc24ef7716d4b #1 [ 13.013333] Hardware name: Freescale i.MX6 Ultralite (Device Tree) [ 13.019586] Workqueue: events deferred_probe_work_func [ 13.024845] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 13.032666] [] (show_stack) from [] (dump_stack+0xdc/0x104) [ 13.040052] [] (dump_stack) from [] (__warn+0x100/0x114) [ 13.047173] [] (__warn) from [] (warn_slowpath_fmt+0xa4/0xb4) [ 13.054726] [] (warn_slowpath_fmt) from [] (panel_simple_probe+0x5c0/0x6b8) [ 13.063495] [] (panel_simple_probe) from [] (platform_drv_probe+0x6c/0xa4) [ 13.072183] [] (platform_drv_probe) from [] (really_probe+0x200/0x3a8) [ 13.080519] [] (really_probe) from [] (driver_probe_device+0x58/0xb4) [ 13.088769] [] (driver_probe_device) from [] (bus_for_each_drv+0x70/0xb8) [ 13.097365] [] (bus_for_each_drv) from [] (__device_attach+0xdc/0x150) [ 13.105701] [] (__device_attach) from [] (bus_probe_device+0x88/0x90) [ 13.113953] [] (bus_probe_device) from [] (deferred_probe_work_func+0x68/0x98) [ 13.122984] [] (deferred_probe_work_func) from [] (process_one_work+0x21c/0x7f8) [ 13.132192] [] (process_one_work) from [] (worker_thread+0x34/0x568) [ 13.140351] [] (worker_thread) from [] (kthread+0x124/0x160) [ 13.147817] [] (kthread) from [] (ret_from_fork+0x14/0x20) [ 13.155098] Exception stack(0xc447bfb0 to 0xc447bff8) [ 13.160213] bfa0: 00000000 00000000 00000000 00000000 [ 13.168455] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 13.176696] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 13.183610] irq event stamp: 17915 [ 13.187115] hardirqs last enabled at (17923): [] console_unlock+0x4b8/0x61c [ 13.195284] hardirqs last disabled at (17932): [] console_unlock+0x49c/0x61c [ 13.203437] softirqs last enabled at (17914): [] __do_softirq+0x474/0x5c4 [ 13.211515] softirqs last disabled at (17951): [] irq_exit+0x1a4/0x1e4 [ 13.218991] ---[ end trace e465f1043b41b1ae ]--- [ 13.236504] mxsfb 21c8000.lcdif: Cannot connect bridge: -517 [ 13.270448] Generic PHY 20b4000.ethernet-1:00: attached PHY driver [Generic PHY] (mii_bus:phy_addr=20b4000.ethernet-1:00, irq=POLL) [ 13.284390] ------------[ cut here ]------------ [ 13.289387] WARNING: CPU: 0 PID: 58 at ../drivers/gpu/drm/panel/panel-simple.c:577 panel_simple_probe+0x5dc/0x6b8 [ 13.299918] CPU: 0 PID: 58 Comm: kworker/0:2 Tainted: G W 5.10.0-test-00006-gc24ef7716d4b #1 [ 13.309728] Hardware name: Freescale i.MX6 Ultralite (Device Tree) [ 13.315987] Workqueue: events deferred_probe_work_func [ 13.321257] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 13.329081] [] (show_stack) from [] (dump_stack+0xdc/0x104) [ 13.336463] [] (dump_stack) from [] (__warn+0x100/0x114) [ 13.343583] [] (__warn) from [] (warn_slowpath_fmt+0xa4/0xb4) [ 13.351136] [] (warn_slowpath_fmt) from [] (panel_simple_probe+0x5dc/0x6b8) [ 13.359908] [] (panel_simple_probe) from [] (platform_drv_probe+0x6c/0xa4) [ 13.368594] [] (platform_drv_probe) from [] (really_probe+0x200/0x3a8) [ 13.376938] [] (really_probe) from [] (driver_probe_device+0x58/0xb4) [ 13.385190] [] (driver_probe_device) from [] (bus_for_each_drv+0x70/0xb8) [ 13.393791] [] (bus_for_each_drv) from [] (__device_attach+0xdc/0x150) [ 13.402129] [] (__device_attach) from [] (bus_probe_device+0x88/0x90) [ 13.410376] [] (bus_probe_device) from [] (deferred_probe_work_func+0x68/0x98) [ 13.419408] [] (deferred_probe_work_func) from [] (process_one_work+0x21c/0x7f8) [ 13.428618] [] (process_one_work) from [] (worker_thread+0x34/0x568) [ 13.436781] [] (worker_thread) from [] (kthread+0x124/0x160) [ 13.444250] [] (kthread) from [] (ret_from_fork+0x14/0x20) [ 13.451535] Exception stack(0xc447bfb0 to 0xc447bff8) [ 13.456650] bfa0: 00000000 00000000 00000000 00000000 [ 13.464892] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 13.473132] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 13.480001] irq event stamp: 20721 [ 13.483509] hardirqs last enabled at (20729): [] console_unlock+0x4b8/0x61c [ 13.491673] hardirqs last disabled at (20738): [] console_unlock+0x49c/0x61c [ 13.499810] softirqs last enabled at (20704): [] __do_softirq+0x474/0x5c4 [ 13.507640] softirqs last disabled at (20689): [] irq_exit+0x1a4/0x1e4 [ 13.515249] ---[ end trace e465f1043b41b1af ]--- [ 13.520076] ------------[ cut here ]------------ [ 13.524782] WARNING: CPU: 0 PID: 58 at ../drivers/gpu/drm/panel/panel-simple.c:580 panel_simple_probe+0x5c0/0x6b8 [ 13.535270] CPU: 0 PID: 58 Comm: kworker/0:2 Tainted: G W 5.10.0-test-00006-gc24ef7716d4b #1 [ 13.545074] Hardware name: Freescale i.MX6 Ultralite (Device Tree) [ 13.551326] Workqueue: events deferred_probe_work_func [ 13.556590] [] (unwind_backtrace) from [] (show_stack+0x10/0x14) [ 13.564411] [] (show_stack) from [] (dump_stack+0xdc/0x104) [ 13.571795] [] (dump_stack) from [] (__warn+0x100/0x114) [ 13.578920] [] (__warn) from [] (warn_slowpath_fmt+0xa4/0xb4) [ 13.586476] [] (warn_slowpath_fmt) from [] (panel_simple_probe+0x5c0/0x6b8) [ 13.595251] [] (panel_simple_probe) from [] (platform_drv_probe+0x6c/0xa4) [ 13.603942] [] (platform_drv_probe) from [] (really_probe+0x200/0x3a8) [ 13.612279] [] (really_probe) from [] (driver_probe_device+0x58/0xb4) [ 13.620529] [] (driver_probe_device) from [] (bus_for_each_drv+0x70/0xb8) [ 13.629127] [] (bus_for_each_drv) from [] (__device_attach+0xdc/0x150) [ 13.637463] [] (__device_attach) from [] (bus_probe_device+0x88/0x90) [ 13.645720] [] (bus_probe_device) from [] (deferred_probe_work_func+0x68/0x98) [ 13.654755] [] (deferred_probe_work_func) from [] (process_one_work+0x21c/0x7f8) [ 13.663965] [] (process_one_work) from [] (worker_thread+0x34/0x568) [ 13.672130] [] (worker_thread) from [] (kthread+0x124/0x160) [ 13.679598] [] (kthread) from [] (ret_from_fork+0x14/0x20) [ 13.686880] Exception stack(0xc447bfb0 to 0xc447bff8) [ 13.691996] bfa0: 00000000 00000000 00000000 00000000 [ 13.700237] bfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 13.708477] bfe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 13.715378] irq event stamp: 20799 [ 13.718874] hardirqs last enabled at (20807): [] console_unlock+0x4b8/0x61c [ 13.727680] hardirqs last disabled at (20822): [] console_unlock+0x49c/0x61c [ 13.736030] softirqs last enabled at (20840): [] __do_softirq+0x474/0x5c4 [ 13.744038] softirqs last disabled at (20831): [] irq_exit+0x1a4/0x1e4 [ 13.751662] ---[ end trace e465f1043b41b1b0 ]--- [ 13.769791] Micrel KSZ8081 or KSZ8091 2188000.ethernet-2:01: attached PHY driver [Micrel KSZ8081 or KSZ8091] (mii_bus:phy_addr=2188000.ethernet-2:01, irq=POLL) [ 13.797274] mxsfb 21c8000.lcdif: Cannot connect bridge: -517 [ 16.927255] fec 2188000.ethernet eth1: Link is Up - 100Mbps/Full - flow control rx/tx [ 16.952235] IPv6: ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready [ 16.981953] Sending DHCP requests ., OK [ 17.166963] IP-Config: Got DHCP answer from 192.168.3.1, my address is 192.168.3.21 [ 17.175519] IP-Config: Complete: [ 17.178960] device=eth1, hwaddr=f8:dc:7a:09:11:68, ipaddr=192.168.3.21, mask=255.255.255.0, gw=192.168.3.1 [ 17.189598] host=192.168.3.21, domain=, nis-domain=(none) [ 17.195617] bootserver=0.0.0.0, rootserver=192.168.3.13, rootpath= [ 17.195716] nameserver0=192.168.3.1 [ 17.206918] [ 17.234781] cfg80211: Loading compiled-in X.509 certificates for regulatory database [ 17.251161] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7' [ 17.262826] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [ 17.271933] platform regulatory.0: Falling back to sysfs fallback for: regulatory.db [ 17.280225] ALSA device list: [ 17.283656] No soundcards found. [ 17.408810] VFS: Mounted root (nfs filesystem) on device 0:15. [ 17.428166] devtmpfs: mounted [ 17.436700] Freeing unused kernel memory: 1024K [ 17.452975] Run /sbin/init as init process