Help, about vulkan api, amd GPU

[NeilTohno]

• mpv Information
  mpv v0.39.0-338-gdd5f2069 Copyright © 2000-2024 mpv/MPlayer/mplayer2 projects
  built on Nov 17 2024 00:05:36
  libplacebo version: v7.349.0 (v7.349.0-26-g5788a82-dirty)
  FFmpeg version: N-117805-g1d55f5484
  FFmpeg library versions:
  libavcodec 61.24.100
  libavdevice 61.4.100
  libavfilter 10.6.101
  libavformat 61.9.100
  libavutil 59.47.100
  libswresample 5.4.100
  libswscale 8.9.101

• Information
  

• Source of mpv:
  https://sourceforge.net/projects/mpv-player-windows/files/64bit-v3/
  mpv-x86_64-v3-20241117-git-dd5f206.7z

mpv --no-config --vo=gpu-next --gpu-api=vulkan --log-file="Y:\mpv111.log" "Y:\TT3\07.mkv"

mpv111.zip

[ 0.293][v][vo/gpu-next/libplacebo] Available surface configurations:
[ 0.293][v][vo/gpu-next/libplacebo] 0: VK_FORMAT_R8G8B8A8_UNORM VK_COLOR_SPACE_SRGB_NONLINEAR_KHR
[ 0.293][v][vo/gpu-next/libplacebo] 1: VK_FORMAT_B8G8R8A8_UNORM VK_COLOR_SPACE_SRGB_NONLINEAR_KHR
[ 0.293][v][vo/gpu-next/libplacebo] 2: VK_FORMAT_A2B10G10R10_UNORM_PACK32 VK_COLOR_SPACE_SRGB_NONLINEAR_KHR
[ 0.293][v][vo/gpu-next/libplacebo] 3: VK_FORMAT_R8G8B8A8_SRGB VK_COLOR_SPACE_SRGB_NONLINEAR_KHR
[ 0.293][v][vo/gpu-next/libplacebo] 4: VK_FORMAT_B8G8R8A8_SRGB VK_COLOR_SPACE_SRGB_NONLINEAR_KHR
[ 0.293][v][vo/gpu-next/libplacebo] Picked surface configuration 2: VK_FORMAT_A2B10G10R10_UNORM_PACK32 + VK_COLOR_SPACE_SRGB_NONLINEAR_KHR

How can I force 8-bit color output in mpv player with Vulkan API?
Thanks.