RE: [PATCH v2] drm: rcar-du: track dma-buf fences

2018-04-30 Thread Ucan, Emre (ADITG/ESB)
Hi Laurent, (snip) > > I will send a new patch with these changes after I tested it. Is it possible > > that improved patch lands on 4.17 and 4.14 stable versions? What is the > > process to propose a patch to a stable release ? > > The process is pretty simple, it's documented in > Documentatio

Re: [PATCH v2] drm: rcar-du: track dma-buf fences

2018-04-30 Thread Laurent Pinchart
Hi Emre, On Monday, 30 April 2018 11:40:51 EEST Ucan, Emre (ADITG/ESB) wrote: > Hi Laurent, > > Sorry for late reply. No worries. > On Montag, 23. April 2018 23:47 Laurent Pinchart wrote: > > On Wednesday, 4 April 2018 14:03:57 EEST Emre Ucan wrote: > >> We have to check dma-buf reservation obj

RE: [PATCH v2] drm: rcar-du: track dma-buf fences

2018-04-30 Thread Ucan, Emre (ADITG/ESB)
Hi Laurent, Sorry for late reply. > -Original Message- > From: Laurent Pinchart [mailto:laurent.pinch...@ideasonboard.com] > Sent: Montag, 23. April 2018 23:47 > To: Ucan, Emre (ADITG/ESB) > Cc: dri-devel@lists.freedesktop.org > Subject: Re: [PATCH v2] drm: rcar-du: tr

Re: [PATCH v2] drm: rcar-du: track dma-buf fences

2018-04-23 Thread Laurent Pinchart
Hi Emre, Sorry for the late reply. On Wednesday, 4 April 2018 14:03:57 EEST Emre Ucan wrote: > We have to check dma-buf reservation objects > of our framebuffers before we use them. > Otherwise, another driver might be writing > on the same buffer which we are using. > This would cause visible te

[PATCH v2] drm: rcar-du: track dma-buf fences

2018-04-05 Thread Emre Ucan
We have to check dma-buf reservation objects of our framebuffers before we use them. Otherwise, another driver might be writing on the same buffer which we are using. This would cause visible tearing effects on display. We can use existing atomic helper functions to solve this problem. v2 changes