linux-kernel - Re: [PATCH] drm/i915: enable BIOS hang workaround for Lenovo T60 too

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Date:	Fri, 19 Jun 2015 18:36:55 +0200
From:	Paul Bolle <pebolle@...cali.nl>
To:	Daniel Vetter <daniel@...ll.ch>
Cc:	Mikko Rapeli <mikko.rapeli@....fi>, linux-kernel@...r.kernel.org,
	imre.deak@...el.com, intel-gfx@...ts.freedesktop.org,
	dri-devel@...ts.freedesktop.org,
	Daniel Vetter <daniel.vetter@...el.com>,
	Jani Nikula <jani.nikula@...ux.intel.com>
Subject: Re: [PATCH] drm/i915: enable BIOS hang workaround for Lenovo T60 too

On Fri, 2015-06-19 at 17:44 +0200, Daniel Vetter wrote:
> I wonder whether we shouldn't do this unconditionally for gen4 and earlier
> for Lenovo ... Anyway this needs Cc: stable@...r.kernel.org and is for
> Jani to pick up.
> 
> Thanks for figuring out what's been broken here.
> -Daniel
> 
> >  		pci_set_power_state(drm_dev->pdev, PCI_D3hot);
> >  
> >  	return 0;

Just two days ago we discussed this bug too, see
https://lkml.org/lkml/2015/6/17/327 . That message contains a link to a
patch I cobbled together for yet another ThinkPad hitting this, but with
PCI_SUBVENDOR_ID_IBM involved.


Paul Bolle

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