Re: [RFC v2 03/11] vb2: Move cache synchronisation from buffer done to dqbuf handler

Hi Shuah, On Monday 27 Mar 2017 15:27:36 Shuah Khan wrote: > On Thu, Dec 15, 2016 at 6:24 PM, Laurent Pinchart wrote: > > From: Sakari Ailus > > > > The cache synchronisation may be a time consuming operation and thus not > > best performed in an interrupt which is a typical context for > > vb2_

Re: [RFC v2 03/11] vb2: Move cache synchronisation from buffer done to dqbuf handler

On Thu, Dec 15, 2016 at 6:24 PM, Laurent Pinchart wrote: > From: Sakari Ailus > > The cache synchronisation may be a time consuming operation and thus not > best performed in an interrupt which is a typical context for > vb2_buffer_done() calls. This may consume up to tens of ms on some > machine

[RFC v2 03/11] vb2: Move cache synchronisation from buffer done to dqbuf handler

From: Sakari Ailus The cache synchronisation may be a time consuming operation and thus not best performed in an interrupt which is a typical context for vb2_buffer_done() calls. This may consume up to tens of ms on some machines, depending on the buffer size. Signed-off-by: Sakari Ailus --- Ch