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<body><span class="vcard"><a class="email" href="mailto:daniel@ffwll.ch" title="Daniel Vetter <daniel@ffwll.ch>"> <span class="fn">Daniel Vetter</span></a>
</span> changed
<a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [ILK Regression]igt kms_rotation_crc/sprite-rotatio causes system hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84855">bug 84855</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>REOPENED
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<td>NEEDINFO
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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [ILK Regression]igt kms_rotation_crc/sprite-rotatio causes system hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84855#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [ILK Regression]igt kms_rotation_crc/sprite-rotatio causes system hang"
href="https://bugs.freedesktop.org/show_bug.cgi?id=84855">bug 84855</a>
from <span class="vcard"><a class="email" href="mailto:daniel@ffwll.ch" title="Daniel Vetter <daniel@ffwll.ch>"> <span class="fn">Daniel Vetter</span></a>
</span></b>
<pre>(In reply to lu hua from <a href="show_bug.cgi?id=84855#c1">comment #1</a>)
<span class="quote">> I tried to bisect it twice, bisect shows:
> 8525b5ec90a58b3e56709ffa1667d6593dbe24c3 is the first bad commit. But revert
> this commit, the hang still exists.
> commit 8525b5ec90a58b3e56709ffa1667d6593dbe24c3
> Author: YoungJun Cho <<a href="mailto:yj44.cho@samsung.com">yj44.cho@samsung.com</a>>
> Date: Thu Aug 14 11:22:36 2014 +0900
>
> drm/exynos: dsi: fix exynos_dsi_set_pll() wrong return value
>
> The type of this function is unsigned long, and it is expected
> to return proper fout value or zero if something is wrong.
> So this patch fixes wrong return value for error cases.
>
> Signed-off-by: YoungJun Cho <<a href="mailto:yj44.cho@samsung.com">yj44.cho@samsung.com</a>>
> Acked-by: Inki Dae <<a href="mailto:inki.dae@samsung.com">inki.dae@samsung.com</a>>
> Acked-by: Kyungmin Park <<a href="mailto:kyungmin.park@samsung.com">kyungmin.park@samsung.com</a>>
> Acked-by: Andrzej Hajda <<a href="mailto:a.hajda@samsung.com">a.hajda@samsung.com</a>>
> Signed-off-by: Inki Dae <<a href="mailto:inki.dae@samsung.com">inki.dae@samsung.com</a>></span >
Ok, so we need the bisect but this patch certainly isn't it - it's in the
exynos driver which isn't even compiled. Can you please try to redo the bisect
carefully and please make really sure that you're chasing the same bug and not
something else.</pre>
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