Re: [PATCH/RFC 0/2] R-Car DU: Support importing non-contiguous dma-buf with VSP

2018-12-17 Thread Laurent Pinchart
Hi Kieran, On Monday, 13 November 2017 15:48:19 EET Kieran Bingham wrote: > On 13/11/17 10:32, Laurent Pinchart wrote: > > Hello everybody, > > > > This patch series fixes two issues related to dma-buf import for the > > Renesas R-Car DU when the imported buffer is either not physically > > conti

Re: [PATCH/RFC 0/2] R-Car DU: Support importing non-contiguous dma-buf with VSP

2017-11-13 Thread Kieran Bingham
Hi Laurent, On 13/11/17 10:32, Laurent Pinchart wrote: > Hello everybody, > > This patch series fixes two issues related to dma-buf import for the Renesas > R-Car DU when the imported buffer is either not physically contiguous or > located in high memory. > > Both cases require the use of an IOM

[PATCH/RFC 0/2] R-Car DU: Support importing non-contiguous dma-buf with VSP

2017-11-13 Thread Laurent Pinchart
Hello everybody, This patch series fixes two issues related to dma-buf import for the Renesas R-Car DU when the imported buffer is either not physically contiguous or located in high memory. Both cases require the use of an IOMMU to remap the buffers contiguously and in 32-bit DMA space. On Gen2