[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 #7 from Ramalingam C <ramalingam.c at intel.com> ---
Hi,

With following patches FB changes with flip is captured and DRRS is notified
accordingly.

http://www.spinics.net/lists/intel-gfx/msg68515.html
http://www.spinics.net/lists/intel-gfx/msg68516.html

But if the FB change carried out without flip, then we dont get the fb change
notification.

Might be in few places in intel_gem.c fb_obj_invalidate call is missed. Else
the obj->frontbuffer_bits are not set while calling the fb_obj_invalidate.

Gem expert's eye on this will be fruitful.

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