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<body><span class="vcard"><a class="email" href="mailto:yex.tian@intel.com" title="ye.tian <yex.tian@intel.com>"> <span class="fn">ye.tian</span></a>
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<a class="bz_bug_link
bz_status_NEW "
title="NEW - [HSW GT2 Regression ]Black screen after boot up machine"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90861">bug 90861</a>
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<td>NEEDINFO
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<td>NEW
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [HSW GT2 Regression ]Black screen after boot up machine"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90861#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [HSW GT2 Regression ]Black screen after boot up machine"
href="https://bugs.freedesktop.org/show_bug.cgi?id=90861">bug 90861</a>
from <span class="vcard"><a class="email" href="mailto:yex.tian@intel.com" title="ye.tian <yex.tian@intel.com>"> <span class="fn">ye.tian</span></a>
</span></b>
<pre>By bisected, shows the first bad commit is 3bae26e.
commit 3bae26eb2991c00670df377cf6c3bc2b0577e82a
Author: Ander Conselvan de Oliveira <<a href="mailto:ander.conselvan.de.oliveira@intel.com">ander.conselvan.de.oliveira@intel.com</a>>
AuthorDate: Mon Jun 1 12:50:03 2015 +0200
Commit: Jani Nikula <<a href="mailto:jani.nikula@intel.com">jani.nikula@intel.com</a>>
CommitDate: Thu Jun 4 11:43:36 2015 +0300
drm/i915: Read hw state into an atomic state struct, v2.
To make this work we load the new hardware state into the
atomic_state, then swap it with the sw state.
This lets us change the force restore path in setup_hw_state()
to use a single call to intel_mode_set() to restore all the
previous state.
As a nice bonus this kills off encoder->new_encoder,
connector->new_enabled and crtc->new_enabled. They were used only
to restore the state after a modeset.
Changes since v1:
- Make sure all possible planes are added with their crtc set,
so they will be turned off on first modeset.
Signed-off-by: Ander Conselvan de Oliveira
<<a href="mailto:ander.conselvan.de.oliveira@intel.com">ander.conselvan.de.oliveira@intel.com</a>>
Signed-off-by: Maarten Lankhorst <<a href="mailto:maarten.lankhorst@linux.intel.com">maarten.lankhorst@linux.intel.com</a>>
Reviewed-by: Matt Roper <<a href="mailto:matthew.d.roper@intel.com">matthew.d.roper@intel.com</a>>
Signed-off-by: Jani Nikula <<a href="mailto:jani.nikula@intel.com">jani.nikula@intel.com</a>></pre>
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