Hi mark, ? 2017/7/31 17:49, Mark Yao ??: > fixup the scale calculation formula on the case > src_height == (dst_height/2). > > Signed-off-by: Mark Yao <mark.yao at rock-chips.com> > --- > drivers/gpu/drm/rockchip/rockchip_drm_vop.h | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h > index af1091f..56bbd2e 100644 > --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h > +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h > @@ -299,6 +299,9 @@ static inline uint16_t scl_get_bili_dn_vskip(int src_h, int dst_h, > > act_height = (src_h + vskiplines - 1) / vskiplines; > > + if (act_height == dst_h) > + return GET_SCL_FT_BILI_DN(src_h, dst_h) / vskiplines; > + > return GET_SCL_FT_BILI_DN(act_height, dst_h); > } > > Reviewed-by: Sandy huang <sandy.huang at rock-chips.com>