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drm/rockchip: vop: fix NV12 video display error

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fixup the scale calculation formula on the case
src_height == (dst_height/2).

Change-Id: I620a4646232c016ff1547b5b6469ed2eedeacfed
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
This commit is contained in:
Mark Yao
2017-05-02 15:22:43 +08:00
committed by Huang, Tao
parent 508e51e0b2
commit cf24760cf6
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/rockchip/rockchip_drm_vop.h
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@@ -446,6 +446,9 @@ 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);
}