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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - ThinkPad T450: RetroArch refuses to go back into windowed mode after fullscreen"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96767#c3">Comment # 3</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - ThinkPad T450: RetroArch refuses to go back into windowed mode after fullscreen"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96767">bug 96767</a>
from <span class="vcard"><a class="email" href="mailto:diego.viola@gmail.com" title="Diego Viola <diego.viola@gmail.com>"> <span class="fn">Diego Viola</span></a>
</span></b>
<pre>[diego@myhost ~]$ cd linux
[diego@myhost linux]$ git bisect bad
7ac7d19f808697abe6658c64c96868f728273f9c is the first bad commit
commit 7ac7d19f808697abe6658c64c96868f728273f9c
Author: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Date: Sun Apr 17 20:42:46 2016 +0100
drm/i915: Avoid stalling on pending flips for legacy cursor updates
The legacy cursor ioctl expects to be asynchronous with respect to other
screen updates, in particular page flips. As X updates the cursor from a
signal context, if the cursor blocks then it will stall both the input
and output chains causing bad stuttering and horrible UX.
Reported-and-tested-by: Rafael Ristovski <<a href="mailto:rafael.ristovski@gmail.com">rafael.ristovski@gmail.com</a>>
Bugzilla: <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [HSW xf86-video-intel] 2D acceleration slows to a crawl from 4.4.6 -> 4.5"
href="show_bug.cgi?id=94980">https://bugs.freedesktop.org/show_bug.cgi?id=94980</a>
Fixes: 5008e874edd34 ("drm/i915: Make wait_for_flips interruptible.")
Suggested-by: Maarten Lankhorst <<a href="mailto:maarten.lankhorst@linux.intel.com">maarten.lankhorst@linux.intel.com</a>>
Signed-off-by: Chris Wilson <<a href="mailto:chris@chris-wilson.co.uk">chris@chris-wilson.co.uk</a>>
Cc: Maarten Lankhorst <<a href="mailto:maarten.lankhorst@linux.intel.com">maarten.lankhorst@linux.intel.com</a>>
Cc: Ville Syrjälä <<a href="mailto:ville.syrjala@linux.intel.com">ville.syrjala@linux.intel.com</a>>
Cc: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
Cc: Jani Nikula <<a href="mailto:jani.nikula@intel.com">jani.nikula@intel.com</a>>
Cc: <a href="mailto:stable@vger.kernel.org">stable@vger.kernel.org</a>
Link:
<a href="http://patchwork.freedesktop.org/patch/msgid/1460922166-20292-1-git-send-email-chris@chris-wilson.co.uk">http://patchwork.freedesktop.org/patch/msgid/1460922166-20292-1-git-send-email-chris@chris-wilson.co.uk</a>
Acked-by: Daniel Vetter <<a href="mailto:daniel.vetter@ffwll.ch">daniel.vetter@ffwll.ch</a>>
Reviewed-by: Maarten Lankhorst <<a href="mailto:maarten.lankhorst@linux.intel.com">maarten.lankhorst@linux.intel.com</a>>
(cherry picked from commit acf4e84d6167317ff21be5c03e1ea76ea5783701)
Signed-off-by: Jani Nikula <<a href="mailto:jani.nikula@intel.com">jani.nikula@intel.com</a>>
:040000 040000 ffd5371b8faffb065a2cd8c5624127ce2a03284c
a19fe78a340ba89e0c206e96b65d5c426eb0e150 M drivers
[diego@myhost linux]$</pre>
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