Re: [PATCH v2] media: ov13858: Fix 4224x3136 video flickering at some vblanks

2017-09-19 Thread Sakari Ailus
On Tue, Sep 19, 2017 at 01:32:27PM +0900, Tomasz Figa wrote: > Hi Chiranjeevi, > > On Tue, Sep 19, 2017 at 7:47 AM, Chiranjeevi Rapolu > wrote: > > Previously, with crop (0, 0), (4255, 3167), VTS < 0xC9E was resulting in > > blank > > frames sometimes. This appeared as video flickering. But we n

Re: [PATCH v2] media: ov13858: Fix 4224x3136 video flickering at some vblanks

2017-09-18 Thread Tomasz Figa
Hi Chiranjeevi, On Tue, Sep 19, 2017 at 7:47 AM, Chiranjeevi Rapolu wrote: > Previously, with crop (0, 0), (4255, 3167), VTS < 0xC9E was resulting in blank > frames sometimes. This appeared as video flickering. But we need VTS < 0xC9E > to > get ~30fps. > > Omni Vision recommends to use crop (0,

[PATCH v2] media: ov13858: Fix 4224x3136 video flickering at some vblanks

2017-09-18 Thread Chiranjeevi Rapolu
Previously, with crop (0, 0), (4255, 3167), VTS < 0xC9E was resulting in blank frames sometimes. This appeared as video flickering. But we need VTS < 0xC9E to get ~30fps. Omni Vision recommends to use crop (0,8), (4255, 3159) for 4224x3136. With this crop, VTS 0xC8E is supported and yields ~30fps.