[Bug 70794] [HSW]s3 fail and call trace

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=70794

--- Comment #7 from Paulo Zanoni <przanoni at gmail.com> ---
(In reply to comment #4)
> I have finished the bisect, and the result shows:
> 
> 24576d23976746cb52e7700c4cadbf4bc1bc3472 is the first bad commit
> commit 24576d23976746cb52e7700c4cadbf4bc1bc3472
> Author: Jesse Barnes <jbarnes at virtuousgeek.org>
> Date:   Tue Mar 26 09:25:45 2013 -0700
> 
>     drm/i915: enable VT switchless resume v3
> 
>     With the other bits in place, we can do this safely.
> 
>     v2: disable backlight on suspend to prevent premature enablement on
> resume
>     v3: disable CRTCs on suspend to allow RTD3 (Kristen)
> 
>     Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org>
>     Reviewed-by: Rodrigo Vivi <rodrigo.vivi at gmail.com>
>     Signed-off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
> 
> I hope it's helpful.  :)

Just to be clear: even if you use DP instead of HDMI, then S3 won't work, the
only difference is that you won't be seeing that calltrace in dmesg. Is this
correct?

What I asked you to bisect was the "S3 doesn't work with DP" problem of this
bug, since that really should be a recent regression in case it's happening at
all.

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