Re: [PATCH v2 6/7] iommu/rockchip: use DMA API to map, to flush cache

2016-06-13 Thread Tomasz Figa
On Mon, Jun 13, 2016 at 7:31 PM, Shunqian Zheng wrote: > HI, > > > On 2016年06月13日 18:21, Tomasz Figa wrote: >> >> On Mon, Jun 13, 2016 at 6:56 PM, Shunqian Zheng >> wrote: >>> >>> Hi >>> >>> On 2016年06月10日 17:10, Tomasz Figa wrote: Hi, On Wed, Jun 8, 2016 at 10:26 PM, Shunqian

Re: [PATCH v2 6/7] iommu/rockchip: use DMA API to map, to flush cache

2016-06-13 Thread Robin Murphy
On 13/06/16 10:56, Shunqian Zheng wrote: Hi On 2016年06月10日 17:10, Tomasz Figa wrote: Hi, On Wed, Jun 8, 2016 at 10:26 PM, Shunqian Zheng wrote: Use DMA API instead of architecture internal functions like __cpuc_flush_dcache_area() etc. To support the virtual device like DRM the virtual slav

Re: [PATCH v2 6/7] iommu/rockchip: use DMA API to map, to flush cache

2016-06-13 Thread Tomasz Figa
On Mon, Jun 13, 2016 at 6:56 PM, Shunqian Zheng wrote: > Hi > > On 2016年06月10日 17:10, Tomasz Figa wrote: >> >> Hi, >> >> On Wed, Jun 8, 2016 at 10:26 PM, Shunqian Zheng >> wrote: >>> >>> Use DMA API instead of architecture internal functions like >>> __cpuc_flush_dcache_area() etc. >>> >>> To sup

Re: [PATCH v2 6/7] iommu/rockchip: use DMA API to map, to flush cache

2016-06-10 Thread Tomasz Figa
Hi, On Wed, Jun 8, 2016 at 10:26 PM, Shunqian Zheng wrote: > Use DMA API instead of architecture internal functions like > __cpuc_flush_dcache_area() etc. > > To support the virtual device like DRM the virtual slave iommu > added in the previous patch, attaching to which the DRM can use > it own

[PATCH v2 6/7] iommu/rockchip: use DMA API to map, to flush cache

2016-06-08 Thread Shunqian Zheng
Use DMA API instead of architecture internal functions like __cpuc_flush_dcache_area() etc. To support the virtual device like DRM the virtual slave iommu added in the previous patch, attaching to which the DRM can use it own domain->dev for dma_map_*(), dma_sync_*() even VOP is disabled. With th