framebuffer, nvidia-drivers, power-management - лебедь, рак и щука

и vesa и uvesa не умеют 1920x1080

uvesafb is a _generic_ driver which supports a wide variety of video
cards, but which is ultimately limited by the Video BIOS interface.
The most important limitations are:

- Lack of any type of acceleration.
- A strict and limited set of supported video modes. Often the native
or most optimal resolution/refresh rate for your setup will not work
with uvesafb, simply because the Video BIOS doesn't support the
video mode you want to use. This can be especially painful with
widescreen panels, where native video modes don't have the 4:3 aspect
ratio, which is what most BIOS-es are limited to.

cat /sys/bus/platform/drivers/uvesafb/uvesafb.0/vbe_modes показывает не более 1280x1024. думаю, такое я и имею. как я уже говорил, получается огромный underscan + проблемы с засыпанием.

Если посоветуете FB драйвер, который сможет 1920x1080 - буду очень благодарен.

Deactivating KMS and unloading Nouveau

The framebuffer console reserves nouveaufb and therefore you cannot directly unload the Nouveau kernel module. You have to unbind nouveaufb first. When you unbind nouveaufb, the earlier fb driver or the VGA console driver will take over. Your kernel configuration needs to have CONFIG_VT_HW_CONSOLE_BINDING enabled. 

NOTE: For NV50 class hardware and above, the VGA text mode cannot be restored, you will be without a working virtual console until you load a new framebuffer driver! For older hardware the VGA text mode console should be restored fine. If you want to try to restore the VGA text mode yourself, the command vbetool post might be able to do that. Please, read the vbetool manual, before attempting it. 

Here is an example script to unload Nouveau KMS: 
#!/bin/bash

echo 0 > /sys/class/vtconsole/vtcon1/bind
rmmod nouveau
/etc/init.d/consolefont restart
rmmod ttm
rmmod drm_kms_helper
rmmod drm

The echo line unbinds nouveaufb from the framebuffer console driver (fbcon). Usually it is vtcon1 as in this example, but it may also be another vtcon*. See /sys/class/vtconsole/vtcon*/name which one of them is a "frame buffer device". 

The console font trick may be needed with the VGA text mode to restore proper console state (to keep the active line visible), and depends on your distribution.

в полном согласии с данной инструкцией, rmmod nouveau срабатывает только после echo 0 > /sys/class/vtconsole/vtcon1/bind. Опять же, как и написано, после этого для >=NV50 VGA режим не устанавливается, экран черный. Значит, выгрузилось, но не все?