Re: [PATCH v5 18/27] iommu/mediatek: Add power-domain operation

2021-01-08 Thread Tomasz Figa
On Tue, Dec 29, 2020 at 8:06 PM Yong Wu wrote: > > On Wed, 2020-12-23 at 17:36 +0900, Tomasz Figa wrote: > > On Wed, Dec 09, 2020 at 04:00:53PM +0800, Yong Wu wrote: > > > In the previous SoC, the M4U HW is in the EMI power domain which is > > > always on. the latest M4U is in the display power

Re: [PATCH v5 18/27] iommu/mediatek: Add power-domain operation

2020-12-29 Thread Yong Wu
On Wed, 2020-12-23 at 17:36 +0900, Tomasz Figa wrote: > On Wed, Dec 09, 2020 at 04:00:53PM +0800, Yong Wu wrote: > > In the previous SoC, the M4U HW is in the EMI power domain which is > > always on. the latest M4U is in the display power domain which may be > > turned on/off, thus we have to add

Re: [PATCH v5 18/27] iommu/mediatek: Add power-domain operation

2020-12-23 Thread Tomasz Figa
On Wed, Dec 09, 2020 at 04:00:53PM +0800, Yong Wu wrote: > In the previous SoC, the M4U HW is in the EMI power domain which is > always on. the latest M4U is in the display power domain which may be > turned on/off, thus we have to add pm_runtime interface for it. > > When the engine work, the

[PATCH v5 18/27] iommu/mediatek: Add power-domain operation

2020-12-09 Thread Yong Wu
In the previous SoC, the M4U HW is in the EMI power domain which is always on. the latest M4U is in the display power domain which may be turned on/off, thus we have to add pm_runtime interface for it. When the engine work, the engine always enable the power and clocks for smi-larb/smi-common,