Re: [PATCH v2] drm: rcar-du: Allow importing non-contiguous dma-buf with VSP

2021-09-22 Thread Laurent Pinchart
Hi Kieran, On Wed, Sep 22, 2021 at 10:37:29PM +0100, Kieran Bingham wrote: > On 30/07/2021 03:05, Laurent Pinchart wrote: > > On R-Car Gen3, the DU uses a separate IP core named VSP to perform DMA > > from memory and composition of planes. The DU hardware then only handles > > the video timings an

Re: [PATCH v2] drm: rcar-du: Allow importing non-contiguous dma-buf with VSP

2021-09-22 Thread Kieran Bingham
On 30/07/2021 03:05, Laurent Pinchart wrote: > On R-Car Gen3, the DU uses a separate IP core named VSP to perform DMA > from memory and composition of planes. The DU hardware then only handles > the video timings and the interface with the encoders. This differs from > Gen2, where the DU included a

[PATCH v2] drm: rcar-du: Allow importing non-contiguous dma-buf with VSP

2021-07-29 Thread Laurent Pinchart
On R-Car Gen3, the DU uses a separate IP core named VSP to perform DMA from memory and composition of planes. The DU hardware then only handles the video timings and the interface with the encoders. This differs from Gen2, where the DU included a composer with DMA engines. When sourcing from the V