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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [DRI2][PRIME] display black window when enable GPU offloading"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95069#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [DRI2][PRIME] display black window when enable GPU offloading"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95069">bug 95069</a>
from <span class="vcard"><a class="email" href="mailto:qiang.yu@amd.com" title="Qiang Yu <qiang.yu@amd.com>"> <span class="fn">Qiang Yu</span></a>
</span></b>
<pre>Seem the race condition is between glxgears and compiz:
if the compiz call DRI2GetBufferWithFormat before first time glxgears
call DRI2SwapBuffer, the pixmap is pinned with PIN_DRI2.</pre>
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [DRI2][PRIME] display black window when enable GPU offloading"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95069#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [DRI2][PRIME] display black window when enable GPU offloading"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95069">bug 95069</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>(In reply to Qiang Yu from <a href="show_bug.cgi?id=95069#c3">comment #3</a>)
<span class="quote">> I catch the xtrace of glxgears, when I change focus, it will get
> invalidateBuffers event
> and get buffer again, the content shows. But I can't find why at the begging
> the pixmap
> is get pinned first and the sequence can change with fast/slow DDX.</span >
It depends upon a race with a client. I have an old patch for -ati to handle
DRI2UpdatePrime failure.</pre>
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<div>
<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [DRI2][PRIME] display black window when enable GPU offloading"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95069#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [DRI2][PRIME] display black window when enable GPU offloading"
href="https://bugs.freedesktop.org/show_bug.cgi?id=95069">bug 95069</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>(In reply to Qiang Yu from <a href="show_bug.cgi?id=95069#c3">comment #3</a>)
<span class="quote">> I catch the xtrace of glxgears, when I change focus, it will get
> invalidateBuffers event
> and get buffer again, the content shows. But I can't find why at the begging
> the pixmap
> is get pinned first and the sequence can change with fast/slow DDX.</span >
It depends upon a race with a client. I have an old patch for -ati to handle
DRI2UpdatePrime failure.</pre>
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