uvesafb is a framebuffer driver to use the VESA BIOS Extensions for changing display modes or display graphics on the console.
The uvesafb relies on kernel modules and the daemon sys-apps/v86d to change the resolutions and display.
You need to activate the following kernel options:
Once the installation is finished, you need to activate the following kernel options:
The resolution and behaviour of uvesafb is set during boot, a full list of kernel parameters can be found online here: Documentation/fb/uvesafb.txt or in the local kernel documentation /usr/src/linux/Documentation/fb/uvesafb.txt.
In GRUB2 the parameters can be added to the variable GRUB_CMDLINE_LINUX_DEFAULT in /etc/default/grub.