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Groups > linux.kernel > #1443046
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| From | Mark Yao <mark.yao@rock-chips.com> |
| Newsgroups | linux.kernel |
| Subject | [PATCH 5/6] drm/rockchip: vop: correct the source size of uv scale factor setting |
| Date | Thu, 14 Jul 2016 05:40:01 +0200 |
| Message-ID | <rUFFf-43M-3@gated-at.bofh.it> (permalink) |
| References | <rUFFf-43M-5@gated-at.bofh.it> |
| X-Original-To | David Airlie <airlied@linux.ie>, Heiko Stuebner <heiko@sntech.de>, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org |
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| X-Original-Cc | Mark Yao <mark.yao@rock-chips.com>, Yakir Yang <ykk@rock-chips.com> |
| X-Original-Date | Thu, 14 Jul 2016 11:33:27 +0800 |
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| Xref | csiph.com linux.kernel:1443046 |
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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>
Signed-off-by: Mark Yao <mark.yao@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 e01c435..aad105b 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.c
@@ -328,9 +328,9 @@ 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;
}
--
1.9.1
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[PATCH 5/6] drm/rockchip: vop: correct the source size of uv scale factor setting Mark Yao <mark.yao@rock-chips.com> - 2016-07-14 05:40 +0200
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