Re: [PATCH 06/16] drm/omap: remove dma & vrfb rotation

2017-05-24 Thread Laurent Pinchart
Hi Tomi, On Wednesday 24 May 2017 13:13:08 Tomi Valkeinen wrote: > On 24/05/17 12:31, Laurent Pinchart wrote: > > On Thursday 04 May 2017 13:23:22 Tomi Valkeinen wrote: > >> We have three rotation methods supported by the SoCs with DSS: DMA, > >> VRFB and TILER. > >> > >> DMA rotation works in th

Re: [PATCH 06/16] drm/omap: remove dma & vrfb rotation

2017-05-24 Thread Tomi Valkeinen
On 24/05/17 12:31, Laurent Pinchart wrote: > Hi Tomi, > > Thank you for the patch. > > On Thursday 04 May 2017 13:23:22 Tomi Valkeinen wrote: >> We have three rotation methods supported by the SoCs with DSS: DMA, >> VRFB and TILER. >> >> DMA rotation works in theory on all DSS platforms, but in p

Re: [PATCH 06/16] drm/omap: remove dma & vrfb rotation

2017-05-24 Thread Laurent Pinchart
Hi Tomi, Thank you for the patch. On Thursday 04 May 2017 13:23:22 Tomi Valkeinen wrote: > We have three rotation methods supported by the SoCs with DSS: DMA, > VRFB and TILER. > > DMA rotation works in theory on all DSS platforms, but in practice it's > unusable due to the huge amount of memory

[PATCH 06/16] drm/omap: remove dma & vrfb rotation

2017-05-04 Thread Tomi Valkeinen
We have three rotation methods supported by the SoCs with DSS: DMA, VRFB and TILER. DMA rotation works in theory on all DSS platforms, but in practice it's unusable due to the huge amount of memory bandwidth it uses, and has never really been used. VRFB is available on OMAP3, but is not supported