[Intel-gfx] since kernel commit cb0953d734: X chooses wrong resolution at startup

[Adam Jackson]

On 5/18/11 9:41 AM, Florian Mickler wrote:
> Since
>
> commit cb0953d734348e8862d6d7edc666cfb3bf6d8fae
> Author: Adam Jackson<ajax at redhat.com>
> Date:   Fri Jul 16 14:46:29 2010 -0400
>
>      drm/i915: Initialize LVDS and eDP outputs before anything else
>
> my xserver chooses a wrong resolution for my VGA output at startup.
>
> The kernel continues to correctly start up fbcon in cloning mode with
> vga1 at 1680x1050 and lvds1 at 1400x1050 but Xorg then chooses 1280x1024 for
> my vga screen and I have to manually set the right mode via xrandr.
>
> Why? It looks like everything gets correctly detected..

Well, the log says:

> [  6947.293] (II) intel(0): Using user preference for initial modes
> [  6947.293] (II) intel(0): Output LVDS1 using initial mode 1400x1050
> [  6947.293] (II) intel(0): Output VGA1 using initial mode 1280x1024

which implies that it thinks you've asked for 12x10 in xorg.conf.  Have you?

It's entirely possible that you haven't and that this is simply a bug in 
X's setup heuristic, but let's check the obvious things first.

- ajax