Re: [PATCH v2] drm/msm/dsi: Implement reset correctly

2019-10-11 Thread Sean Paul
On Fri, Oct 11, 2019 at 06:39:39AM -0700, Jeffrey Hugo wrote: > On msm8998, vblank timeouts are observed because the DSI controller is not > reset properly, which ends up stalling the MDP. This is because the reset > logic is not correct per the hardware documentation. > > The documentation state

[PATCH v2] drm/msm/dsi: Implement reset correctly

2019-10-11 Thread Jeffrey Hugo
On msm8998, vblank timeouts are observed because the DSI controller is not reset properly, which ends up stalling the MDP. This is because the reset logic is not correct per the hardware documentation. The documentation states that after asserting reset, software should wait some time (no indicat