linux-kernel - Re: [Intel-gfx] [PATCH] drm/i915: don't check inconsistent modeset state when force-restoring

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Message-ID: <CAKMK7uGTqSdq_V=Pu-BGNhhTqOn=fz5-LvUXBXpGQJqzL1QOUQ@mail.gmail.com>
Date:	Wed, 10 Apr 2013 22:03:25 +0200
From:	Daniel Vetter <daniel@...ll.ch>
To:	Richard Cochran <richardcochran@...il.com>
Cc:	Intel Graphics Development <intel-gfx@...ts.freedesktop.org>,
	DRI Development <dri-devel@...ts.freedesktop.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Dave Airlie <airlied@...il.com>,
	Tomas Melin <tomas.melin@....fi>,
	Chris Wilson <chris@...is-wilson.co.uk>,
	stable <stable@...r.kernel.org>
Subject: Re: [Intel-gfx] [PATCH] drm/i915: don't check inconsistent modeset
 state when force-restoring

On Wed, Apr 10, 2013 at 7:27 PM, Richard Cochran
<richardcochran@...il.com> wrote:
> On Wed, Apr 10, 2013 at 02:07:24PM +0200, Daniel Vetter wrote:
>>
>> It's written against drm-intel-next-queued at
>>
>> http://cgit.freedesktop.org/~danvet/drm-intel
>>
>> I've thought that it should apply pretty cleanly against older kernels,
>> too. Apparently it conflicts a bit in intel_modeset_setup_hw_state, you
>> can just do the s/intel_crtc_restore_mode/__intel_set_mode/ change
>> manually.
>
> I couldn't see right away how to fix it up, so I just compiled your
> drm-intel-next-queued plus this patch. If I close the netbook's lid
> and open it again, the screen is blank, no backlight, and the machine
> seems to be frozen.
>
> I think I can live with the warning.

That patch should crash at all, so this is not expected. Can you pls
check whether plain drm-intel-nightly is broken, too?

I'll quickly port the patch (in it's latest v3 version) to 3.9-rc
kernels for you to test.
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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