get_block_step_bytes
int step = get_block_step_bytes(plane->frame_info->fb, direction, 0); \
int step = get_block_step_bytes(plane->frame_info->fb, direction, 0);
int step_1 = get_block_step_bytes(plane->frame_info->fb, direction, 0); \
int step_2 = get_block_step_bytes(plane->frame_info->fb, direction, 1); \
int step_y = get_block_step_bytes(plane->frame_info->fb, direction, 0);
int step_channel_1 = get_block_step_bytes(plane->frame_info->fb, direction, 1);
int step_channel_2 = get_block_step_bytes(plane->frame_info->fb, direction, 2);