msm_fb: display: change mdp clock while mdp is idle at overlay_set()

MDP clock is adjusted base on run time perfomance level.
This patch  will change MDP clock while mdp is in idle
state at overlay_set() when performance level changed to
avoid MDP from underrun.

Signed-off-by: Kuogee Hsieh <khsieh@codeaurora.org>
2 files changed