From: Mark yao <mark.yao@rock-chips.com>
To: Yakir Yang <ykk@rock-chips.com>, Mark Yao <yzq@rock-chips.com>,
Heiko Stuebner <heiko@sntech.de>, David Airlie <airlied@linux.ie>
Cc: tfiga@chromium.org, dri-devel@lists.freedesktop.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/2] drm/rockchip: vop: correct the source size of uv scale factor setting
Date: Tue, 7 Jun 2016 08:57:48 +0800 [thread overview]
Message-ID: <57561C0C.2040507@rock-chips.com> (raw)
In-Reply-To: <1465199926-20991-1-git-send-email-ykk@rock-chips.com>
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
next prev parent reply other threads:[~2016-06-07 0:58 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-06 7:58 [PATCH 1/2] drm/rockchip: vop: add uv_vir register field for RK3036 VOP Yakir Yang
2016-06-06 7:58 ` [PATCH 2/2] drm/rockchip: vop: correct the source size of uv scale factor setting Yakir Yang
2016-06-07 0:57 ` Mark yao [this message]
2016-06-07 0:57 ` [PATCH 1/2] drm/rockchip: vop: add uv_vir register field for RK3036 VOP Mark yao
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