Re: [RFC 00/11] vb2: Handle user cache hints, allow drivers to choose cache coherency

2015-09-09 Thread Laurent Pinchart
+ Sumit, Rob, Laura and Daniel who have discussed cache optimization with me at LPC in the context of dmabuf. The full patch set can be found at https://www.mail-archive.com/linux-media@vger.kernel.org/msg92120.html On Tuesday 08 September 2015 13:33:44 Sakari Ailus wrote: > Hi folks, > > This

[RFC 00/11] vb2: Handle user cache hints, allow drivers to choose cache coherency

2015-09-08 Thread Sakari Ailus
Hi folks, This RFC patchset achieves two main objectives: 1. Respects cache flags passed from the user space. As no driver nor videobuf2 has (ever?) implemented them, the two flags are replaced by a single one (V4L2_BUF_FLAG_NO_CACHE_SYNC) and the two old flags are deprecated. This is done since