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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - Intel GeminiLake corruption at top of screen caused by fbc"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108085#c16">Comment # 16</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - Intel GeminiLake corruption at top of screen caused by fbc"
href="https://bugs.freedesktop.org/show_bug.cgi?id=108085">bug 108085</a>
from <span class="vcard"><a class="email" href="mailto:dan@reactivated.net" title="Daniel Drake <dan@reactivated.net>"> <span class="fn">Daniel Drake</span></a>
</span></b>
<pre>Even though it's for a different SoC I checked on a few details found in
<a href="https://www.x.org/docs/intel/SKL/rev01/intel-gfx-prm-osrc-skl-vol16-workarounds.pdf">https://www.x.org/docs/intel/SKL/rev01/intel-gfx-prm-osrc-skl-vol16-workarounds.pdf</a>
0529: enabled the existing i915 codepath on GLK, no change
0562: FBC Watermark Disable is already set
0622: don't know how to check this
0851: don't know how to check this
0859: DISP_FBC_MEMORY_WAKE is already set
0873: added ILK_DPFC_NUKE_ON_ANY_MODIFICATION, no change
0883: ILK_DPFC_DISABLE_DUMMY0 is already set, DISP_FBC_MEMORY_WAKE is already
set
0884: i915 implementation only affects PSR codepath but this platform doesn't
support PSR
So no progress there, further suggestions very welcome...</pre>
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