Re: [PATCH 0/3] Hack to test DRRS, independent of front buffer tracking

Daniel Vetter
2015-03-24T09:33:27Z

On Mon, Mar 23, 2015 at 11:14:41PM +0530, Ramalingam C wrote:
> These patches removes the dependancy of DRRS with front buffer tracking.
> This will help us to test the DRRS and the IGT app for DRRS.
>
> As we have some functional issues with front buffer tracking, We are
> adding a debugfs, so that IGT can notify the content change to DRRS.
> Once the front buffer tracking is fully functional these patches are not
> required.

Nope, we need to track down the bugs in frontbuffer tracking and use the
existing interface to kick updates to the kernel. Yes I know this is hard,
but we've been struggling with frontbuffer tracking issues with fbc, psr
and drrs for years, adding more hacks will not magically resolve them.
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation