Re: [PATCH] drm/amd/display: Use VUPDATE_NO_LOCK instead of VUPDATE for dcn30

2020-07-08 Thread Lakha, Bhawanpreet
VUPDATE_NO_LOCK instead of VUPDATE for dcn30 [Why] Soft hangs occur when FreeSync is engaged since we utilize VUPDATE (which doesn't fire when holding the pipe lock) to send back vblank events when FreeSync is active. [How] The alternative (working) interrupt source for this mechani

[PATCH] drm/amd/display: Use VUPDATE_NO_LOCK instead of VUPDATE for dcn30

2020-07-08 Thread Nicholas Kazlauskas
[Why] Soft hangs occur when FreeSync is engaged since we utilize VUPDATE (which doesn't fire when holding the pipe lock) to send back vblank events when FreeSync is active. [How] The alternative (working) interrupt source for this mechanism is VUPDATE_NO_LOCK. We already use this all other DCN rev