Re: [PATCH v5 3/6] drm/mediatek: Detect CMDQ execution timeout

2021-11-17 Thread Chun-Kuang Hu
Hi, Fei: Fei Shao 於 2021年10月28日 週四 上午11:19寫道: > > Hi Chun-Kuang, > > On Thu, Oct 28, 2021 at 7:47 AM Chun-Kuang Hu wrote: > > > > Hi, Fei: > > > > Fei Shao 於 2021年10月27日 週三 下午5:32寫道: > > > > > > Hi Jason, > > > > > > On Wed, Oct 27, 2021 at 10:19 AM jason-jh.lin > > > wrote: > > > > > > > > F

Re: [PATCH v5 3/6] drm/mediatek: Detect CMDQ execution timeout

2021-10-27 Thread Fei Shao
Hi Chun-Kuang, On Thu, Oct 28, 2021 at 7:47 AM Chun-Kuang Hu wrote: > > Hi, Fei: > > Fei Shao 於 2021年10月27日 週三 下午5:32寫道: > > > > Hi Jason, > > > > On Wed, Oct 27, 2021 at 10:19 AM jason-jh.lin > > wrote: > > > > > > From: Chun-Kuang Hu > > > > > > CMDQ is used to update display register in vb

Re: [PATCH v5 3/6] drm/mediatek: Detect CMDQ execution timeout

2021-10-27 Thread Chun-Kuang Hu
Hi, Fei: Fei Shao 於 2021年10月27日 週三 下午5:32寫道: > > Hi Jason, > > On Wed, Oct 27, 2021 at 10:19 AM jason-jh.lin > wrote: > > > > From: Chun-Kuang Hu > > > > CMDQ is used to update display register in vblank period, so > > it should be execute in next 2 vblank. One vblank interrupt > > before send

Re: [PATCH v5 3/6] drm/mediatek: Detect CMDQ execution timeout

2021-10-27 Thread Fei Shao
Hi Jason, On Wed, Oct 27, 2021 at 10:19 AM jason-jh.lin wrote: > > From: Chun-Kuang Hu > > CMDQ is used to update display register in vblank period, so > it should be execute in next 2 vblank. One vblank interrupt > before send message (occasionally) and one vblank interrupt > after cmdq done. I