drm/msm/mdp5: set rate before enabling clk

Set a "safe" rate at first, in order to read out the hw revision.  And
then after set the optimal value.

Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark 2014-11-20 17:08:06 -05:00
commit ac7a570406