On 30-Oct-17 9:28 PM, David Laight wrote: > From: Manikanta Maddireddy >> Sent: 27 October 2017 20:29 >> When there are 32 outstanding writes from AFI to memory, the outstanding >> write counter overflows and indicates that there are "0" outstanding write >> transactions. This outstanding write counter is used to generate IDLE >> signal to dynamically gate the AFI clock. >> >> When memory controller is under heavy load, its possible that write >> completions will come back to AFI after long delay and AFI write counter >> overflows. AFI clock gets gated even when there are outstanding >> transactions towards memory controller resutling in system hang. >> >> Disable dynamic clock gating of AFI clock to avoid system hang. > > At least some of the above really ought to be comments in the code. > (and with the earlier fix for limiting the number of writes.) > > David > Ok, will take care of it in next version -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
