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| author |   Mark yao <mark.yao@rock-chips.com> | 2017-07-31 17:49:46 +0800 |
|---|---|---|
| committer | Mark Yao <mark.yao@rock-chips.com> | 2017-08-04 15:39:10 +0800 |
| commit | 6f04f5925ce763e07cb405d1fbe97a53b6c026a3 (patch) | |
| tree | 58efd6bc6002c0c4bc99772db69a16d8f1426a00 /drivers/gpu/drm/rockchip | |
| parent | drm/rockchip: vop: fix iommu page fault when resume (diff) | |
| download | linux-dev-6f04f5925ce763e07cb405d1fbe97a53b6c026a3.tar.xz linux-dev-6f04f5925ce763e07cb405d1fbe97a53b6c026a3.zip | |
drm/rockchip: vop: fix NV12 video display error
fixup the scale calculation formula on the case
src_height == (dst_height/2).
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
Reviewed-by: Sandy huang <sandy.huang@rock-chips.com>
Link: https://patchwork.freedesktop.org/patch/msgid/1501494586-6984-1-git-send-email-mark.yao@rock-chips.com
Diffstat (limited to 'drivers/gpu/drm/rockchip')
| -rw-r--r-- | drivers/gpu/drm/rockchip/rockchip_drm_vop.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h index 9979fd0c2282..27eefbfcf3d0 100644 --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h @@ -282,6 +282,9 @@ 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); } |