<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <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 <a class="email" href="mailto:elizabethx.de.la.torre.mena@intel.com" title="Elizabeth <elizabethx.de.la.torre.mena@intel.com>"> Elizabeth</a> <pre>(In reply to Jim Bride from <a href="show_bug.cgi?id=94126#c7">comment #7</a>) > 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. Good afternoon, Is there any update on this case? Thank you.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are on the CC list for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>