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Date: Fri, 20 May 2022 07:11:14 +0200
From: qwx@sciops.net
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In-Reply-To: <78530171-2bfa-4491-ba7b-34aef2559ab8@sirjofri.de>
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Subject: Re: [9front] Igfx eDP timeout - no graphics
Reply-To: 9front@9front.org
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On Thu May 19 22:17:11 +0200 2022, sirjofri+ml-9front@sirjofri.de wrote:
> I ran aux/vga with the trace option and it seems it is a timeout on the 
> eDP device for whatever reason. Here's the trace: 
> http://okturing.com/src/13631/body

	; hget http://okturing.com/src/13631/body
	[...]
	igfx: display #1
	[...]

Correct me if I'm wrong, but ironlake has LVDS for the internal
display; eDP replaces it from haswell on.  Either way, according to
the trace you're trying to use display 1, which is the VGA port, not
LVDS (cf.  /sys/src/cmd/aux/vga/igfx.c:32 and
/sys/src/cmd/aux/vga/igfx.c:1143).  If you're using a particular vgadb
entry, make sure it has "lcd=1"; that will select LVDS, ie.  the
internal display.  It's pretty confusing...  Perhaps you could try
monitor=x60t, since that already has an entry for 1024x768 with lcd=1.
If it works, you should get something on the screen even if the
timings are wrong and it's distored or whatever.

Hope this helps,
qwx