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<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [SKL/KBL] Vblank counter issues when DMC takes goes to DC5/DC6 impacting frontbuffer tracking and PSR with X modesetting(0) driver."
href="https://bugs.freedesktop.org/show_bug.cgi?id=94126#c9">Comment # 9</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED - [SKL/KBL] Vblank counter issues when DMC takes goes to DC5/DC6 impacting frontbuffer tracking and PSR with X modesetting(0) driver."
href="https://bugs.freedesktop.org/show_bug.cgi?id=94126">bug 94126</a>
from <span class="vcard"><a class="email" href="mailto:elizabethx.de.la.torre.mena@intel.com" title="Elizabeth <elizabethx.de.la.torre.mena@intel.com>"> <span class="fn">Elizabeth</span></a>
</span></b>
<pre>(In reply to Jim Bride from <a href="show_bug.cgi?id=94126#c7">comment #7</a>)
<span class="quote">> I want to do a run with vblank debug messages turned on to ensure that my
> understanding of what's going on here is correct, but from looking at the
> code I think we should be able to handle this case (where we lose the HW
> vblank count due to a power management event) similarly to what would happen
> if the counter wrapped around. We'll likely want to modify
> drm_update_vblank_count() to ensure that DRM's software counter gets adjusted
> properly when we lose our HW counter.</span >
Good afternoon,
Is there any update on this case?
Thank you.</pre>
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