[Bug 68651] KMS+Intel 9600M on Toshiba C75 A 13Q

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=68651

--- Comment #22 from Paulo Zanoni <przanoni at gmail.com> ---
(In reply to Cyrille Pontvieux from comment #19)
> Thank you for taking time
> 
> I'm building the latest drm-nightly to do more tests.
> Actually, I used the VGA out connection. Didn't test yet with HDMI, but I
> will by connecting it to my TV (I don't have a monitor that can handle HDMI).

Testing VGA will have the same effect as testing HDMI for me. I was just
looking for something that's not eDP :)

> How can I boot to another resolution? Using vga= VESA parameters?

What I meant was: boot the machine in the "bugged" state, then, after X is
running, run something like "xrandr --output eDP1 --mode 1024x768", see if it's
still bad-quality, then run "xrandr --output eDP1 --auto" and see if it's still
bad quality.

> 
> In fact it is exactly the word "dithering" that I was searching for. It
> looks like this is it.
> When kernel's ready, I boot and log it, and report it here, with different
> resolutions if possible, both with internal monitor and HDMI (and possibly
> VGA too, to compare).

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