Display On/Off lag

[natekc]

When turning on screen:

I/PowerManagerService(  566): Waking up from sleep...
D/SurfaceFlinger(  183): Screen acquired, type=0 flinger=0xb7f1d4e0
D/qdhwcomposer(  183): hwc_blank: Unblanking display: 0
I/WindowManager(  566): Lock screen displayed!
D/DisplayPowerController(  566): Unblocked screen on after 25879350 ms
D/qdhwcomposer(  183): hwc_blank: Done unblanking display: 0
D/SurfaceControl(  566): Excessive delay in unblankDisplay() while turning screen on: 268ms

When turning off screen:

I/PowerManagerService(  566): Going to sleep by user request...
D/SurfaceFlinger(  183): Screen released, type=0 flinger=0xb7f1d4e0
D/qdhwcomposer(  183): hwc_blank: Blanking display: 0
D/qdhwcomposer(  183): hwc_blank: Done blanking display: 0
D/SurfaceControl(  566): Excessive delay in blankDisplay() while turning screen off: 216ms