linux-kernel - Re: Switchable-graphics issues on HP Envy17 3D (Intel/Radeon) Mini-DP works fine but eDP does not

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Date:	Sun, 18 Dec 2011 16:40:49 -0500
From:	Kyle Moffett <kyle@...fetthome.net>
To:	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	Dave Airlie <airlied@...hat.com>,
	Alex Deucher <alexander.deucher@....com>,
	Michel Dänzer <michel.daenzer@....com>
Subject: Re: Switchable-graphics issues on HP Envy17 3D (Intel/Radeon) Mini-DP
 works fine but eDP does not

Resending this since I seem to have mucked up Dave Airlie's last name and email.

Any debugging help would be much appreciated.

Cheers,
Kyle Moffett

On Sun, Nov 27, 2011 at 14:25, Kyle Moffett <kyle@...fetthome.net> wrote:
> Hello,
>
> I just got a brand new HP Envy17 3D laptop and I'm trying to debug why
> the switchable graphics do not work.
>
> Using 3.2-rc3, the internal eDP and the external Mini-DP both work
> fine at boot (using intel KMS and X.org).  Unfortunately, if a use
> "vgaswitcheroo" to switch to the Radeon chip, I get link failures on
> the internal eDP (although the external Mini-DP link works fine after
> the switch).
>
> I've attached a boot log of a switch with "drm.debug=0x04", any advice
> or debugging assistance would be much appreciated.
>
> Cheers,
> Kyle Moffett
>
> --
> Curious about my work on the Debian powerpcspe port?
> I'm keeping a blog here: http://pureperl.blogspot.com/

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