[Bug 90418] Front buffer tracker is not invalidating the fb obj for DRRS/PSR

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90418

--- Comment #4 from Ramalingam C <ramalingam.c at intel.com> ---

> > >> Are you saying that you observe this after the display server is active?
> > Yes. Even when ubuntu Desktop is up, this behavior(absence of invalidate) is
> > observed.
> 
> Since invalidate is only called at the start of a write transaction, yes.
> The desktop should only be flipping (not even drawing into the scanout)
> which only triggers flush on the change of buffers.

Yes. But when we are opening the apps like file browser or terminal, FB will be
changed hence leading to a write operation. correct me if i am wrong about
this. In such scenarios also fb_obj invalidate call is not made.

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