Re: [PATCH v3 2/4] drm: rcar-du: Wait for flip completion instead of vblank in commit tail

2017-08-03 Thread Kieran Bingham
Hi Laurent, On 29/07/17 22:08, Laurent Pinchart wrote: > Page flips can take more than one vertical blanking to complete if > arming the page flips races with the vertical blanking interrupt. > Waiting for one vblank to complete the atomic commit in the commit tail > handler is thus incorrect,

[PATCH v3 2/4] drm: rcar-du: Wait for flip completion instead of vblank in commit tail

2017-07-29 Thread Laurent Pinchart
Page flips can take more than one vertical blanking to complete if arming the page flips races with the vertical blanking interrupt. Waiting for one vblank to complete the atomic commit in the commit tail handler is thus incorrect, and can lead to framebuffers being released while still being