apple-dcp 231c00000.dcp: RTKit: syslog message adds newlines to the kernel logs

[jvoisin]

This is a really minor-ish issue: when running dmesg -T -w, the syslog messages from apple-dcp' RTKIT are (sometimes) adding newlines, on an Apple M2 running 6.8.9-404.asahi.fc40.aarch64+16k #1 SMP PREEMPT_DYNAMIC Fri May 17 17:22:13 UTC 2024 aarch64 GNU/Linux, eg:

[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: dcp_poweron() starting
[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: nifiedPipeline.cpp:1356: set_device_enabled_gated: current state: 0, requested state: 1

[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: PPipeDCP_H13P.cpp:10468: set_run_mode_safe: no need to defer: 0 -> 1

[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: ock_Tunables_v1.cpp:651: IOMFB: Writing tunables with target 3

[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: PPipeDCP_H13P.cpp:10468: set_run_mode_safe: no need to defer: 1 -> 2

[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: eoInterfaceIOAV.cpp:237: bool VideoInterfaceIOAV::open_ioav_gated(): IOAVVideoInterface open failed

[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: eoInterfaceIOAV.cpp:296: IOMFB: VideoInterfaceIOAV::power_on: m_power_ctrl->setPower( 1 )

[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: AppleDCPDPTX.cpp:355: [AFK]powering nub 0x86ffc0
[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: set_digital_out_mode(color:1 timing:2) "2560x1600": 60 277042 2560 2568 2600 2640 1600 1633 1705 1749 0x48 0x0
[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: set_digital_out_mode() color mode depth:8 format:0 colorimetry:16 eotf:0 range:0
[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: nifiedPipeline.cpp:7462: set_digital_out_mode: Modeset requested for colorID: 1, timingID: 2

[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: PPipeDCP_H13P.cpp:18011: Dual pipe disabled offset 0

[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: nifiedPipeline.cpp:7465: set_digital_out_mode returned 8000000b

[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: set_digital_out_mode finished:8500
[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: ileCDIDPDisplay.cpp:119: [AFK]SAC enable: DP=1 CDI=1
[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: DCPDP13Service.cpp:60: [AFK]version: 13
[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: DCPDPService.cpp:76: [AFK]version: 13
[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: eoInterfaceIOAV.cpp:135: IOMFB: IOAVVideoInterface published

[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: eoInterfaceIOAV.cpp:714: IOMFBStatus VideoInterfaceIOAV::plug_gated(IOAVVideoInterface *, bool): display HPD asserted

[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: PPipeDCP_H13P.cpp:10490: set_run_mode_safe: deferring: 2 -> 4

[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: PPipeDCP_H13P.cpp:10395: virtual IOMFBStatus IOMFB::UPPipeDCP_H13P::ready_for_run_mode_change(IOMFB::AppleRegisterStream *): initiating deferred run mod
[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: M3Hal_v1.cpp:197: IOMFB: load APT M3 IMem : size 0x7918

[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: M3Hal_v1.cpp:197: IOMFB: load APT M3 DMem : size 0x6f60

[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: CAHandler.cpp:188: IOMFB load_ca_data: Unrecognized data version 0 (expected 1 or 2)
[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: UPPipe.cpp:3767: IOMFB read_pmu_data_sync: pmu ram read error (e00800d8)

[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: PPipeDCP_H13P.cpp:14085: IOMFB Int RTBandwidth: program_M3_rt_config: Using Dashboard 23b3d05d8
[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: UPTSQManager.cpp:133: IOMFB: clearing M3 reset

[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: UPTSQ_Hal_v1.cpp:349: IOMFB: timebase_offset = 4

[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: UPTSQManager.cpp:105: IOMFB: switch to normal mode succeeded

[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: ock_PCC2DLTM_v1.cpp:910: IOMFBStatus IOMFB::UPBlock_PCC2DLTM_v1::set_mcpu_power(IOMFB::AppleRegisterStream *, bool) Loading M3 Hal
[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: M3Hal_v1.cpp:197: IOMFB: load LTM M3 IMem : size 0x8e70

[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: M3Hal_v1.cpp:197: IOMFB: load LTM M3 DMem : size 0xedd8

[Fri May 24 01:23:30 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: PPipeDCP_H13P.cpp:17179: handle_stage1_enable blm_en 0 ltm_en 1 

[Fri May 24 01:23:30 2024] usb 1-1: usbfs: process 2561 (pcscd) did not claim interface 2 before use
[Fri May 24 01:23:31 2024] ieee80211 phy0: brcmf_p2p_set_firmware: failed to update device address ret -52

or

[Fri May 24 00:29:28 2024] macsmc-rtkit 23e400000.smc: RTKit: syslog message: aceElec.cpp:703:  Elec: Elec Cause 0x0
[Fri May 24 00:29:28 2024] macsmc-power macsmc-power: Charging: 1
[Fri May 24 00:29:28 2024] macsmc-power macsmc-power: Port 1 state change (charge port: 255)
[Fri May 24 00:29:28 2024] macsmc-rtkit 23e400000.smc: RTKit: syslog message: aceElec.cpp:703:  Elec: Elec Cause 0x200000
[Fri May 24 00:29:28 2024] macsmc-power macsmc-power: Charging: 0
[Fri May 24 00:29:28 2024] macsmc-power macsmc-power: Port 2 state change (charge port: 2)
[Fri May 24 00:29:28 2024] macsmc-power macsmc-power: Port 1 state change (charge port: 2)
[Fri May 24 00:29:28 2024] macsmc-power macsmc-power: Charging: 1
[Fri May 24 00:29:28 2024] macsmc-power macsmc-power: Port 1 state change (charge port: 2)
[Fri May 24 00:29:28 2024] macsmc-rtkit 23e400000.smc: RTKit: syslog message: aceElec.cpp:703:  Elec: Elec Cause 0x8000
[Fri May 24 00:29:29 2024] macsmc-rtkit 23e400000.smc: RTKit: syslog message: aceElec.cpp:703:  Elec: Elec Cause 0x20
[Fri May 24 00:29:29 2024] macsmc-rtkit 23e400000.smc: RTKit: syslog message: charger.cpp:2418: Not charging:0
[Fri May 24 00:29:35 2024] macsmc-rtkit 23e400000.smc: RTKit: syslog message: aceElec.cpp:703:  Elec: Elec Cause 0x1000
[Fri May 24 00:38:24 2024] macsmc-rtkit 23e400000.smc: RTKit: syslog message: apComms.cpp:375: SMC HID Event: 03 01 00
[Fri May 24 00:38:24 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: PPipeDCP_H13P.cpp:10490: set_run_mode_safe: deferring: 4 -> 1

[Fri May 24 00:38:24 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: PPipeDCP_H13P.cpp:10395: virtual IOMFBStatus IOMFB::UPPipeDCP_H13P::ready_for_run_mode_change(IOMFB::AppleRegisterStream *): initiating deferred run mod
[Fri May 24 00:38:24 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: UPTSQManager.cpp:150: IOMFBStatus IOMFB::UPTSQManager::power_down_M3(IOMFB::AppleRegisterStream *, UPTSQManager::ModeChangeWaiter *): request mode ch
[Fri May 24 00:38:24 2024] brcmfmac: brcmf_msgbuf_delete_flowring: timed out waiting for txstatus
[Fri May 24 00:38:24 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: UPTSQManager.cpp:162: IOMFBStatus IOMFB::UPTSQManager::power_down_M3(IOMFB::AppleRegisterStream *, UPTSQManager::ModeChangeWaiter *): disabling M3
[Fri May 24 00:38:24 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: PPipeDCP_H13P.cpp:10468: set_run_mode_safe: no need to defer: 1 -> 0

[Fri May 24 00:38:24 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: eoInterfaceIOAV.cpp:433: IOMFB: VideoInterfaceIOAV::did_power_off: m_power_ctrl->setPower( 0 )
[Fri May 24 00:38:24 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: eoInterfaceIOAV.cpp:146: IOMFB: IOAVVideoInterface terminated

[Fri May 24 00:38:24 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: oInterfaceIOAV.cpp:1094: void VideoInterfaceIOAV::unplug_gated(IOAVVideoInterface *): display HPD removed

[Fri May 24 00:38:24 2024] apple-dcp 231c00000.dcp: RTKit: syslog message: nifiedPipeline.cpp:1356: set_device_enabled_gated: current state: 1, requested state: 0

[Fri May 24 00:38:24 2024] apple-dcp 231c00000.dcp: dcp_poweroff() done
[Fri May 24 00:38:24 2024] brcmfmac: brcmf_msgbuf_delete_flowring: timed out waiting for txstatus
[Fri May 24 00:38:25 2024] PM: suspend entry (s2idle)
[Fri May 24 00:38:25 2024] Filesystems sync: 0.008 seconds
[Fri May 24 00:38:25 2024] Freezing user space processes
[Fri May 24 00:38:25 2024] Freezing user space processes completed (elapsed 0.003 seconds)
[Fri May 24 00:38:25 2024] OOM killer disabled.
[Fri May 24 00:38:25 2024] Freezing remaining freezable tasks
[Fri May 24 00:38:25 2024] Freezing remaining freezable tasks completed (elapsed 0.001 seconds)
[Fri May 24 00:38:25 2024] printk: Suspending console(s) (use no_console_suspend to debug)