Re: [PATCH 3/4] drm/exynos/decon5433: fix vblank event handling

2017-03-07 Thread Inki Dae
2017년 03월 07일 18:58에 Andrzej Hajda 이(가) 쓴 글: > On 07.03.2017 10:12, Inki Dae wrote: >> Thanks for fixing it. >> >> Andrzej, >> DECON_CRFMID register is new to me. Where did you refer this register >> description from? I couldn't find this register in datasheet I have for >> Exynos5433. > > I h

Re: [PATCH 3/4] drm/exynos/decon5433: fix vblank event handling

2017-03-07 Thread Andrzej Hajda
On 07.03.2017 10:12, Inki Dae wrote: > Thanks for fixing it. > > Andrzej, > DECON_CRFMID register is new to me. Where did you refer this register > description from? I couldn't find this register in datasheet I have for > Exynos5433. I have found it in android sources. > > Below are a little bi

Re: [PATCH 3/4] drm/exynos/decon5433: fix vblank event handling

2017-03-07 Thread Inki Dae
Thanks for fixing it. Andrzej, DECON_CRFMID register is new to me. Where did you refer this register description from? I couldn't find this register in datasheet I have for Exynos5433. Below are a little bit trivial comments. 2017년 02월 23일 01:05에 Andrzej Hajda 이(가) 쓴 글: > Current implementati

[PATCH 3/4] drm/exynos/decon5433: fix vblank event handling

2017-02-22 Thread Andrzej Hajda
Current implementation of event handling assumes that vblank interrupt is always called at the right time. It is not true, it can be delayed due to various reasons. As a result different races can happen. The patch fixes the issue by using hardware frame counter present in DECON to serialize vblank