Opencv debayering using pyopencl

Hi There,
I am using python + opencv for getting camera frames (RAW 4K) and debayering using opencv (cv2.cvtColor()). But FPS are around 42 (i7 + RAM 16 GB + 4GB 3050Ti GPU).
Anyone please help to increase FPS for 4K debayering? I need 60 FPS.