Re: [gentoo-user] Re: basic grub question

Fernando Rodriguez <cyklonite@×××××.com> wrote:

> On 06/15/2016 07:58 PM, covici@××××××××××.com wrote:
> > James <wireless@×××××××××××.com> wrote:
> >
> >>  <covici <at> ccs.covici.com> writes:
> >>
> >>
> >>> Well, the problemis, I don't know the correct parameters to get the best
> >>> resolution -- there is a formula to calculate if I use vga=, but grub
> >>> had a way where you specified the mode and it put the screen in graphics
> >>> mode and passed it on to linux, which seemed unique to me.
> >>
> >> vga=
> >> 773 	= 	1024x768x8
> >> 775 	= 	1280x1024x8
> >> 791 	= 	1024x768x16
> >> 794 	= 	1280x1024x16
> >>
> >>
> >> http://www.sprint.net.au/~terbut/usefulbox/lilovgatable.htm
> >>
> >> may help.
> > Thanks, I will check this out.
> >
>
> For the framebuffer drivers that may not work. For a trident card I use
> tridentfb.mode_option=1280x1024@60. The options for the different drivers
> can be found on the kernel documentation on Documentation/fb.
>
> What worked best for me with nouveau on recent kernels is to disable all
> framebuffer drivers and enable CONFIG_DRM_FBDEV_EMULATION. It will boot into
> the framebuffer without flicker.
>
> You can also use the VESA driver to boot and then load the nouveau
> module (which udev should do automatically for you). For me this switches
> to the fb console as soon as the module loads but it gives me a blank
> screen or a panic if any other fb drivers than VESA are builtin or loaded.

What I find is that even though I have uvesafb as a module, and nouveau
as a module nouveau gets loaded automatically and I get a frame buffer
which seems not too bad, not as good as the uvesafb one, but it will do
for the time being.  I have a 1920x1080 screen.


-- 
Your life is like a penny.  You're going to lose it.  The question is:
How do
you spend it?

         John Covici
         covici@××××××××××.com