] [PATCH v5] drm/i915: Enable scanline read based on
> frame timestamps
>
> On Fri, Sep 22, 2017 at 09:11:30PM +0530, Vidya Srinivas wrote:
> > From: Uma Shankar
> >
> > For certain platforms on certain encoders, timings are driven from
> > port instead of pipe. Thu
On Fri, Sep 22, 2017 at 09:11:30PM +0530, Vidya Srinivas wrote:
> From: Uma Shankar
>
> For certain platforms on certain encoders, timings are driven
> from port instead of pipe. Thus, we can't rely on pipe scanline
> registers to get the timing information. Some cases scanline
> register read wi
From: Uma Shankar
For certain platforms on certain encoders, timings are driven
from port instead of pipe. Thus, we can't rely on pipe scanline
registers to get the timing information. Some cases scanline
register read will not be functional.
This is causing vblank evasion logic to fail since it