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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [HSW]s3 fail and call trace"
href="https://bugs.freedesktop.org/show_bug.cgi?id=70794#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [HSW]s3 fail and call trace"
href="https://bugs.freedesktop.org/show_bug.cgi?id=70794">bug 70794</a>
from <span class="vcard"><a class="email" href="mailto:przanoni@gmail.com" title="Paulo Zanoni <przanoni@gmail.com>"> <span class="fn">Paulo Zanoni</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=70794#c4">comment #4</a>)
<span class="quote">> I have finished the bisect, and the result shows:
>
> 24576d23976746cb52e7700c4cadbf4bc1bc3472 is the first bad commit
> commit 24576d23976746cb52e7700c4cadbf4bc1bc3472
> Author: Jesse Barnes <<a href="mailto:jbarnes@virtuousgeek.org">jbarnes@virtuousgeek.org</a>>
> 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 <<a href="mailto:jbarnes@virtuousgeek.org">jbarnes@virtuousgeek.org</a>>
> Reviewed-by: Rodrigo Vivi <<a href="mailto:rodrigo.vivi@gmail.com">rodrigo.vivi@gmail.com</a>>
> Signed-off-by: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
>
> I hope it's helpful. :)</span >
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.</pre>
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