hwc: rgz: Workaround, do not blit if there is a video layer

This is a workaround for a performance degradation found while
a video is playing and the GC320 is used at the same time.
Avoid blitting if there is a NV12 layer in the hwc layer list.

Change-Id: I12e789b9dd95e8b0d435aac1ae67ff65d4511396
Signed-off-by: Gustavo Diaz Prado <a0273371@ti.com>
(cherry picked from commit 52aa03dd27808e773f2133910ae233a1e4d42106)
1 file changed