On Thu, Jun 29, 2017 at 1:54 PM, Peter Griffin <peter.griffin@xxxxxxxxxx> wrote: > This patch fixes the following soft lockup: > BUG: soft lockup - CPU#0 stuck for 23s! [weston:307] > > On weston idle-timeout the IP is powered down and reset > asserted. On weston resume we get a massive vblank > IRQ storm due to the LDI registers having lost some state. > > This state loss is caused by ade_crtc_atomic_begin() not > calling ade_ldi_set_mode(). With this patch applied > resuming from Weston idle-timeout works well. > > Signed-off-by: Peter Griffin <peter.griffin@xxxxxxxxxx> While the issue hasn't seemingly come up with Android, I've been running with this patch in my tree for a while without issue. So.. Tested-by: John Stultz <john.stultz@xxxxxxxxxx> thanks -john