I also tried this bunny test file:
mpv --profile=fast --hwdec=rkmpp Big_Buck_Bunny_1080_10s_1MB.mp4
mpp[3117]: mpp_platform: client 12 driver is not ready!
● Video --vid=1 (h264 1920x1080 60 fps) [default]
mpp[3117]: mpp_info: mpp version: ac16b2c6 author: Yanjun Liao 2025-07-31 fix[h264e_api_v2]: Fix bit_real calc in skip mode
Using hardware decoding (rkmpp).
VO: [gpu] 1920x1080 drm_prime[nv12]
V: 00:00:09 / 00:00:10 (100%)
Exiting... (End of file)
[bazsi@BazsAlarm Downloads]$
It looks fine here.
Kernel: 6.1.75-rockchip-ge21cf49ee9a4-dirty
I don’t think I have the firmware, and just have normal mesa.
extra/mesa 1:25.1.7-1 [installed]
Open-source OpenGL drivers
boogie/ffmpeg-mpp 2:7.1.1-5 [installed]
Complete solution to record, convert and stream audio and video
boogie/libv4l-rkmpp-git 1.8.0.r3.c5bc0ae-1 [installed]
A rockchip-mpp V4L2 wrapper plugin for chromium V4L2 VDA/VEA, latest from git
boogie/mpp-git 1.0.10.r4005.ac16b2c6-1 [installed]
Rockchip VPU Media Process Platform (MPP) for hardware video decode latest revision from git
boogie/mpv-mpp 1:0.40.0-6 [installed]
a free, open source, and cross-platform media player