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Groups > linux.kernel > #1415606
| From | Mark yao <mark.yao@rock-chips.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH 2/2] drm/rockchip: vop: correct the source size of uv scale factor setting |
| Date | 2016-06-07 03:00 +0200 |
| Message-ID | <rHdx7-3Ri-13@gated-at.bofh.it> (permalink) |
| References | <rGXC1-1Xz-3@gated-at.bofh.it> <rGXC1-1Xz-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 2016年06月06日 15:58, Yakir Yang wrote:
> From: Mark Yao <mark.yao@rock-chips.com>
>
> When the input color format is YUV, we need to do some external scale
> for CBCR. Like,
> * In YUV420 data format:
> cbcr_xscale = dst_w / src_w * 2;
> cbcr_yscale = dst_h / src_h * 2;
> * In YUV422 data format:
> cbcr_xscale = dst_w / src_w * 2;
> cbcr_yscale = dst_h / src_h;
> * In YUV444 data format
> cbcr_xscale = dst_w / src_w;
> cbcr_yscale = dst_h / src_h;
>
> Signed-off-by: Yakir Yang <ykk@rock-chips.com>
> ---
> drivers/gpu/drm/rockchip/rockchip_drm_vop.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> index 1c4d5b5..b28cda7 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
> @@ -324,9 +324,9 @@ static void scl_vop_cal_scl_fac(struct vop *vop, const struct vop_win_data *win,
> scl_cal_scale2(src_h, dst_h));
> if (is_yuv) {
> VOP_SCL_SET(vop, win, scale_cbcr_x,
> - scl_cal_scale2(src_w, dst_w));
> + scl_cal_scale2(cbcr_src_w, dst_w));
> VOP_SCL_SET(vop, win, scale_cbcr_y,
> - scl_cal_scale2(src_h, dst_h));
> + scl_cal_scale2(cbcr_src_h, dst_h));
> }
> return;
> }
Thanks for this fix, Applied to my drm-fixes.
--
Mark Yao
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[PATCH 2/2] drm/rockchip: vop: correct the source size of uv scale factor setting Yakir Yang <ykk@rock-chips.com> - 2016-06-06 10:00 +0200 Re: [PATCH 2/2] drm/rockchip: vop: correct the source size of uv scale factor setting Mark yao <mark.yao@rock-chips.com> - 2016-06-07 03:00 +0200
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