Comment # 3
on bug 104599
from Mario Kleiner
This is running the new GNOME based Ubuntu GUI with Gnome-Shell Wayland, right? With "Windows control did not work" you mean it doesn't respond to mouse-clicks? In that case it is known bugs/limitations in gnome-shell for depth 30/10bpc mode. GNOME Shells picking code can't handle 10 bit per color channel. Additionally Gnome-Shells Wayland compositor doesn't handle anything but bgrx8888 or bgra8888 framebuffers in its drm/kms backend. It takes whatever framebuffer format it gets, e.g., bgrx1010102 and hands it to the kernel as bgrx8888, so the gpu misinterprets a 10 bit image as a 8 bit image during scanout, which ends badly.
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