Re: Save and Restore Generic Interrupt Controller for System Sleep on ARM

2017-12-06 Thread Marc Zyngier
On Thu, Nov 30 2017 at 5:21:20 pm GMT, "dbasehore ." wrote: > On Thu, Nov 30, 2017 at 1:44 AM, Marc Zyngier wrote: >> On Wed, Nov 29 2017 at 2:49:18 pm GMT, "dbasehore ." >> wrote: >>> There was some work in ARM Trusted Firmware to support saving and >>> restoring the Generic Interrupt Control

Re: Save and Restore Generic Interrupt Controller for System Sleep on ARM

2017-11-30 Thread dbasehore .
On Thu, Nov 30, 2017 at 1:44 AM, Marc Zyngier wrote: > On Wed, Nov 29 2017 at 2:49:18 pm GMT, "dbasehore ." > wrote: >> There was some work in ARM Trusted Firmware to support saving and >> restoring the Generic Interrupt Controller (GICv3) before and after >> sleep, but it seems that the plan i

Re: Save and Restore Generic Interrupt Controller for System Sleep on ARM

2017-11-30 Thread Marc Zyngier
On Wed, Nov 29 2017 at 2:49:18 pm GMT, "dbasehore ." wrote: > There was some work in ARM Trusted Firmware to support saving and > restoring the Generic Interrupt Controller (GICv3) before and after > sleep, but it seems that the plan is to have this all in the kernel > now. The point of doing th

Save and Restore Generic Interrupt Controller for System Sleep on ARM

2017-11-29 Thread dbasehore .
There was some work in ARM Trusted Firmware to support saving and restoring the Generic Interrupt Controller (GICv3) before and after sleep, but it seems that the plan is to have this all in the kernel now. The point of doing this is to save power during sleep. On an RK3399 system, we save about 15