Can I use dp splitter

Interesting.
So the vendor of the splitter is not visible, but its placement.

inxi -GMSaz

yields

System:
  Kernel: 6.14.2-1-default arch: x86_64 bits: 64 compiler: gcc v: 14.2.1
    clocksource: tsc avail: hpet,acpi_pm
    parameters: BOOT_IMAGE=/boot/vmlinuz-6.14.2-1-default
    root=UUID=2c01224e-c0a4-4483-b1a2-45ae0755685a splash=silent
    mitigations=auto quiet security=apparmor nosimplefb=1
  Desktop: KDE Plasma v: 6.3.4 tk: Qt v: N/A info: frameworks v: 6.13.0
    wm: kwin_x11 tools: avail: xscreensaver vt: 2 dm: SDDM Distro: openSUSE
    Tumbleweed 20250420
Machine:
  Type: Desktop System: ASUS product: N/A v: N/A serial: N/A
  Mobo: ASUSTeK model: PRIME A620M-K v: Rev 1.xx serial: <filter>
    part-nu: SKU uuid: c4b7728f-7c40-120e-6287-107c61b1849f
    UEFI: American Megatrends v: 3033 date: 08/31/2024
Graphics:
  Device-1: NVIDIA GF119 [GeForce GT 610] vendor: Micro-Star MSI
    driver: nvidia v: 390.157 alternate: nouveau,nvidia_drm non-free:
    series: 390.xx+ status: legacy (EOL~2022-11-22) last: release: 390.157
    kernel: 6.0 xorg: 1.21 arch: Fermi code: GF1xx process: 40/28nm
    built: 2010-2016 pcie: gen: 1 speed: 2.5 GT/s lanes: 4 link-max: lanes: 16
    bus-ID: 01:00.0 chip-ID: 10de:104a class-ID: 0300
  Device-2: Advanced Micro Devices [AMD/ATI] Phoenix2 vendor: ASUSTeK
    driver: amdgpu v: kernel arch: RDNA-3 code: Phoenix process: TSMC n4 (4nm)
    built: 2023+ pcie: gen: 4 speed: 16 GT/s lanes: 16 ports: active: HDMI-A-1
    empty: DP-1, DP-2, DP-3, DP-4, DP-5, Writeback-1 bus-ID: 0b:00.0
    chip-ID: 1002:15c8 class-ID: 0300 temp: 49.0 C
  Device-3: HP HP 320 FHD Webcam driver: snd-usb-audio,uvcvideo type: USB
    rev: 2.0 speed: 480 Mb/s lanes: 1 mode: 2.0 bus-ID: 1-7.2:5
    chip-ID: 03f0:654a class-ID: 0102 serial: <filter>
  Display: x11 server: X.Org v: 21.1.15 with: Xwayland v: 24.1.6
    compositor: kwin_x11 driver: X: loaded: modesetting unloaded: vesa
    alternate: fbdev dri: radeonsi gpu: amdgpu display-ID: :0 screens: 1
  Screen-1: 0 s-res: 2560x1440 s-dpi: 96 s-size: 677x381mm (26.65x15.00")
    s-diag: 777mm (30.58")
  Monitor-1: HDMI-A-1 mapped: HDMI-1 model: HP E27q G4 serial: <filter>
    built: 2023 res: mode: 2560x1440 hz: 60 scale: 100% (1) dpi: 109 gamma: 1.2
    size: 597x336mm (23.5x13.23") diag: 685mm (27") ratio: 16:9 modes:
    max: 2560x1440 min: 720x400
  API: EGL v: 1.5 hw: drv: amd radeonsi platforms: gbm: drv: radeonsi
    surfaceless: drv: radeonsi x11: drv: radeonsi inactive: wayland
  API: OpenGL v: 4.6 vendor: mesa v: 25.0.4 note: incomplete (EGL sourced)
    renderer: AMD Radeon Graphics (radeonsi phoenix2 LLVM 20.1.3 DRM 3.61
    6.14.2-1-default)
  API: Vulkan v: 1.4.309 layers: 1 device: 0 type: integrated-gpu name: AMD
    Radeon Graphics (RADV PHOENIX2) driver: N/A device-ID: 1002:15c8
    surfaces: xcb,xlib device: 1 type: cpu name: llvmpipe (LLVM 20.1.3 256
    bits) driver: N/A device-ID: 10005:0000 surfaces: xcb,xlib
  Info: Tools: api: eglinfo, glxinfo, vulkaninfo
    de: kscreen-console,kscreen-doctor gpu: amdgpu_top, nvidia-settings,
    nvidia-smi wl: wayland-info x11: xdpyinfo, xprop, xrandr