I've left unistd.h in it - it's not strictly required but most users
of drmtest.h want it for the open helpers, and then you kinda need to
close that file descriptor again ...
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Check on debugfs if PSR is supported by panel and matching all conditions in
hardware. In this case PSR must be enabled and performance counting increasing
v2: check if performance counter is really increasing.
v3: respect new naming convention
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
