Re: [PATCH v5 07/10] iommu/mediatek: Add REG_MMU_WR_LEN register definition

2020-07-01 Thread Matthias Brugger
On 30/06/2020 12:59, chao hao wrote: > On Mon, 2020-06-29 at 12:16 +0200, Matthias Brugger wrote: >> >> On 29/06/2020 09:13, Chao Hao wrote: >>> Some platforms(ex: mt6779) need to improve performance by setting >>> REG_MMU_WR_LEN register. And we can use WR_THROT_EN macro to control >>> whether

Re: [PATCH v5 07/10] iommu/mediatek: Add REG_MMU_WR_LEN register definition

2020-06-30 Thread chao hao
On Mon, 2020-06-29 at 12:16 +0200, Matthias Brugger wrote: > > On 29/06/2020 09:13, Chao Hao wrote: > > Some platforms(ex: mt6779) need to improve performance by setting > > REG_MMU_WR_LEN register. And we can use WR_THROT_EN macro to control > > whether we need to set the register. If the registe

Re: [PATCH v5 07/10] iommu/mediatek: Add REG_MMU_WR_LEN register definition

2020-06-29 Thread Matthias Brugger
On 29/06/2020 09:13, Chao Hao wrote: > Some platforms(ex: mt6779) need to improve performance by setting > REG_MMU_WR_LEN register. And we can use WR_THROT_EN macro to control > whether we need to set the register. If the register uses default value, > iommu will send command to EMI without rest