update new hwinfo and comment for mechrevo Jiaolong 16 pro 2025 model

[GuihongWang]

Summary

backlight control,WIP mt7922 network driver and AMDgpu driver

System information

Laptop make/model:Mechrevo X6xR55xK-B2
uname -a output:FreeBSD 15.1-RELEASE GENERIC

Tests Completed

Installation

• I can install FreeBSD easily as a new user and jump into a graphical desktop environment on the next boot.
  (FreeBSDFoundation/proj-laptop Issue 25)

Wireless

• The laptop has Wi-Fi 5 support (802.11ac)
  (FreeBSDFoundation/proj-laptop Issue 33)

• The laptop has Wi-Fi 6/6E support (802.11ax), with observed speeds of 1Gbps+.
  (FreeBSDFoundation/proj-laptop Issue 34)

• The laptop automatically connects to known Wi-Fi networks without requiring me to manually reconnect each time.
  (FreeBSDFoundation/proj-laptop Issue 4)

• I can connect my laptop to the internet by tethering with my mobile phone.

• There is a built-in tool to identify available WiFi networks, choose one to connect to, and provide a passphrase.
  (FreeBSDFoundation/proj-laptop Issue 3)

Audio/Video

• Sound seamlessly switches to headphones when plugged in, and back to speakers when plugged out.
  (FreeBSDFoundation/proj-laptop Issue 15)

• Graphical applications (such as games and media content creation tools) run smoothly on the laptop at the screen refresh rate or higher.
  (FreeBSDFoundation/proj-laptop Issue 11)
  (FreeBSDFoundation/proj-laptop Issue 13)

• I can share my screen on all popular browsers and other applications that request the webcam.
  (FreeBSDFoundation/proj-laptop Issue 14)

• I can stay connected in a virtual meeting for an hour or longer on all popular video conferencing software with no disruptions.

Power

• The laptop lasts through an 8-hour workday on a single charge
  (FreeBSDFoundation/proj-laptop Issue 6)

• I can close the lid to enter sleep mode, then open the lid hours later to resume working.
  (FreeBSDFoundation/proj-laptop Issue 7)

• The laptop can enter and resume from hibernation mode with no change to its operating state.
  (FreeBSDFoundation/proj-laptop Issue 29)

User Experience

• I can change the keyboard backlight and display backlight to view at a comfortable brightness.

• I can use multi-finger touchpad gestures in my desktop environment.
  (FreeBSDFoundation/proj-laptop Issue 18)

• All of the laptop's specialty keyboard buttons (e.g. brightness, volume, etc.) work correctly and can be customized in my desktop environment.
  (FreeBSDFoundation/proj-laptop Issue 19)

• I can connect to an external monitor or projector using HDMI while using my desktop environment's display settings manager to configure it.
  (FreeBSDFoundation/proj-laptop Issue 27)

Virtualization

• Suspending the laptop while a VM is running does not affect the VM's state upon resume.
  (FreeBSDFoundation/proj-laptop Issue 9)

• I can run Windows VMs on the laptop.
  (FreeBSDFoundation/proj-laptop Issue 21)

Additional Info