AMD GPU is not working

I cant use AMD DGPU. My laptop has hybrid GPU of Intel/AMD.

System Info:

System:
  Kernel: 5.10.42-1-MANJARO x86_64 bits: 64 compiler: gcc v: 11.1.0 
  parameters: BOOT_IMAGE=/boot/vmlinuz-5.10-x86_64 
  root=UUID=21369c0f-bc2f-4c09-8f43-b82325d57ce7 rw quiet apparmor=1 
  security=apparmor udev.log_priority=3 radeon.cik_support=1 radeon.si_support=1 
  Desktop: KDE Plasma 5.21.5 tk: Qt 5.15.2 wm: kwin_x11 vt: 1 dm: SDDM 
  Distro: Manjaro Linux base: Arch Linux 
Machine:
  Type: Laptop System: Dell product: Inspiron 15-3567 v: N/A serial: <filter> 
  Chassis: type: 9 serial: <filter> 
  Mobo: Dell model: 0D53F5 v: A00 serial: <filter> UEFI: Dell v: 2.14.0 
  date: 01/13/2021 
Battery:
  ID-1: BAT0 charge: 40.0 Wh (100.0%) condition: 40.0/41.4 Wh (96.4%) volts: 16.6 
  min: 14.8 model: LGC-LGC2.80 DELL 7PY0D0A type: Li-ion serial: <filter> 
  status: Full 
CPU:
  Info: Dual Core model: Intel Core i5-7200U bits: 64 type: MT MCP 
  arch: Amber/Kaby Lake note: check family: 6 model-id: 8E (142) stepping: 9 
  microcode: DE cache: L2: 3 MiB 
  flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 21607 
  Speed: 3100 MHz min/max: 400/3100 MHz Core speeds (MHz): 1: 3100 2: 3100 3: 3100 
  4: 3100 
  Vulnerabilities: Type: itlb_multihit status: KVM: VMX disabled 
  Type: l1tf 
  mitigation: PTE Inversion; VMX: conditional cache flushes, SMT vulnerable 
  Type: mds mitigation: Clear CPU buffers; SMT vulnerable 
  Type: meltdown mitigation: PTI 
  Type: spec_store_bypass 
  mitigation: Speculative Store Bypass disabled via prctl and seccomp 
  Type: spectre_v1 
  mitigation: usercopy/swapgs barriers and __user pointer sanitization 
  Type: spectre_v2 mitigation: Full generic retpoline, IBPB: conditional, IBRS_FW, 
  STIBP: conditional, RSB filling 
  Type: srbds mitigation: Microcode 
  Type: tsx_async_abort status: Not affected 
Graphics:
  Device-1: Intel HD Graphics 620 vendor: Dell driver: i915 v: kernel 
  bus-ID: 00:02.0 chip-ID: 8086:5916 class-ID: 0300 
  Device-2: AMD Sun XT [Radeon HD 8670A/8670M/8690M / R5 M330 / M430 / Radeon 520 
  Mobile] 
  vendor: Dell driver: radeon v: kernel alternate: amdgpu bus-ID: 01:00.0 
  chip-ID: 1002:6660 class-ID: 0380 
  Device-3: Realtek Integrated_Webcam_HD type: USB driver: uvcvideo bus-ID: 1-5:3 
  chip-ID: 0bda:5769 class-ID: 0e02 serial: <filter> 
  Display: x11 server: X.Org 1.20.11 compositor: kwin_x11 driver: 
  loaded: ati,intel,radeon unloaded: modesetting alternate: fbdev,vesa 
  display-ID: :0 screens: 1 
  Screen-1: 0 s-res: 1366x768 s-dpi: 96 s-size: 361x203mm (14.2x8.0") 
  s-diag: 414mm (16.3") 
  Monitor-1: eDP1 res: 1366x768 hz: 60 dpi: 102 size: 340x190mm (13.4x7.5") 
  diag: 389mm (15.3") 
  OpenGL: renderer: Mesa Intel HD Graphics 620 (KBL GT2) v: 4.6 Mesa 21.1.2 
  direct render: Yes 
Audio:
  Device-1: Intel Sunrise Point-LP HD Audio vendor: Dell driver: snd_hda_intel 
  v: kernel alternate: snd_soc_skl bus-ID: 00:1f.3 chip-ID: 8086:9d71 
  class-ID: 0403 
  Sound Server-1: ALSA v: k5.10.42-1-MANJARO running: yes 
  Sound Server-2: JACK v: 0.125.0 running: no 
  Sound Server-3: PulseAudio v: 14.2 running: yes 
  Sound Server-4: PipeWire v: 0.3.30 running: no 
Network:
  Device-1: Intel Wireless 3165 driver: iwlwifi v: kernel port: e000 
  bus-ID: 02:00.0 chip-ID: 8086:3165 class-ID: 0280 
  IF: wlp2s0 state: up mac: <filter> 
  Device-2: Realtek RTL810xE PCI Express Fast Ethernet vendor: Dell driver: r8169 
  v: kernel port: d000 bus-ID: 03:00.0 chip-ID: 10ec:8136 class-ID: 0200 
  IF: enp3s0 state: down mac: <filter> 
Bluetooth:
  Device-1: Intel Bluetooth wireless interface type: USB driver: btusb v: 0.8 
  bus-ID: 1-8:5 chip-ID: 8087:0a2a class-ID: e001 
  Report: rfkill ID: hci0 rfk-id: 1 state: down bt-service: enabled,running 
  rfk-block: hardware: no software: yes address: see --recommends 
Drives:
  Local Storage: total: 931.51 GiB used: 219.94 GiB (23.6%) 
  SMART Message: Unable to run smartctl. Root privileges required. 
  ID-1: /dev/sda maj-min: 8:0 vendor: Seagate model: ST1000LM035-1RK172 
  size: 931.51 GiB block-size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s 
  rotation: 5400 rpm serial: <filter> rev: SDM3 scheme: GPT 
Partition:
  ID-1: / raw-size: 120.12 GiB size: 117.67 GiB (97.97%) used: 9.81 GiB (8.3%) 
  fs: ext4 dev: /dev/sda2 maj-min: 8:2 
  ID-2: /boot/efi raw-size: 512 MiB size: 511 MiB (99.80%) used: 288 KiB (0.1%) 
  fs: vfat dev: /dev/sda1 maj-min: 8:1 
  ID-3: /home raw-size: 810.89 GiB size: 797.09 GiB (98.30%) 
  used: 210.13 GiB (26.4%) fs: ext4 dev: /dev/sda3 maj-min: 8:3 
Swap:
  Alert: No swap data was found. 
Sensors:
  System Temperatures: cpu: 47.0 C mobo: 46.0 C gpu: radeon temp: 43.0 C 
  Fan Speeds (RPM): cpu: 2558 
Info:
  Processes: 174 Uptime: 12m wakeups: 1 Memory: 7.64 GiB used: 1.76 GiB (23.0%) 
  Init: systemd v: 248 tool: systemctl Compilers: gcc: 11.1.0 Packages: 
  pacman: 1271 lib: 351 flatpak: 0 Shell: Bash v: 5.1.8 running-in: konsole 
  inxi: 3.3.04 

AMD’s usage on Idle state:

AMD’s usage while playing steam games:

I have used the below commands in the launch option of the steam games:

On native games: (HOLLOW KNIGHT)

DRI_PRIME=1 %command%

and on games using Proton: (CUPHEAD and HADES)

DRI_PRIME=1 %command% PROTON_USE_WINED3D=1

several months earlier, with the help of above commands the games were running fine. and was running kernel 5.4

and I have tried kernel 5.4 and 5.10 as well nothing seems to solve the mentioned problem.

I also tried to launch other applications like GIMP, Inkscape with AMD, with command like:

DRI_PRIME=1 gimp

DRI_PRIME=1 inkscape

still no usage of AMD gpu.

afterwards I uninstalled gimp and inkscape.

I launched steam with DRI_PRIME=1, and launched the game no progress.