Re: [Intel-gfx] [V14 5/5] drm/i915/dsi: Enable software vblank counter

2020-10-02 Thread Ville Syrjälä
On Thu, Sep 24, 2020 at 06:12:09PM +0530, Vandita Kulkarni wrote: > In case of DSI cmd mode, we get hw vblank counter > updated after the TE comes in, if we try to read > the hw vblank counter in te handler we wouldnt have > the udpated vblank counter yet. > This will lead to a state where we would

[Intel-gfx] [V14 5/5] drm/i915/dsi: Enable software vblank counter

2020-09-24 Thread Vandita Kulkarni
In case of DSI cmd mode, we get hw vblank counter updated after the TE comes in, if we try to read the hw vblank counter in te handler we wouldnt have the udpated vblank counter yet. This will lead to a state where we would send the vblank event to the user space in the next te, though the frame up