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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED DUPLICATE - [Intel GM45] xrandr --output <output> --mode <prev_mode> is not able to light up an output that has been disabled with xrandr --off."
href="https://bugs.freedesktop.org/show_bug.cgi?id=64178#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED DUPLICATE - [Intel GM45] xrandr --output <output> --mode <prev_mode> is not able to light up an output that has been disabled with xrandr --off."
href="https://bugs.freedesktop.org/show_bug.cgi?id=64178">bug 64178</a>
from <span class="vcard"><a class="email" href="mailto:imre.deak@gmail.com" title="Imre Deak <imre.deak@gmail.com>"> <span class="fn">Imre Deak</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=64178#c4">comment #4</a>)
<span class="quote">> Created <span class=""><a href="attachment.cgi?id=78812" name="attach_78812" title="Imre's patch modified.">attachment 78812</a> <a href="attachment.cgi?id=78812&action=edit" title="Imre's patch modified.">[details]</a></span> <a href='page.cgi?id=splinter.html&bug=64178&attachment=78812'>[review]</a> [review]
> Imre's patch modified.
>
> (In reply to <a href="show_bug.cgi?id=64178#c3">comment #3</a>)
> > (In reply to <a href="show_bug.cgi?id=64178#c1">comment #1</a>)
> > > Imre is already working on an almost identical fix for similar issues we
> > > have with igt testscases randomly failing.
> >
> > Yes, it's <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ILK]I-G-T/kms_flip subtest: 'wf_vblank-vs-modeset' fail"
href="show_bug.cgi?id=59834">bug #59834</a>, the patch is attached to <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [PNV]I-G-T/kms_flip subtest:'blocking-absolute-wf_vblank' fail"
href="show_bug.cgi?id=60002">bug #60002</a>. It may fix the
> > first bug, but it hasn't been confirmed yet. But I think the patch fixes an
> > issue anyway. I've sent it to the mailing list now.
>
> Imre, your patch looks nicer, unfortunately it doesn't work here.
>
> The reason is that the test is inside the "if (set->crtc->fb != set->fb)"
> test.
> In this case the fb has not changed however thus the extra test doesn't even
> run.
>
> With the modified patch that's attached it works.</span >
Yes, you are right, I wasn't thinking of FB remaining the same.</pre>
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