From mboxrd@z Thu Jan 1 00:00:00 1970 From: mark.yao@rock-chips.com (Mark Yao) Date: Thu, 14 Jul 2016 11:33:27 +0800 Subject: [PATCH 5/6] drm/rockchip: vop: correct the source size of uv scale factor setting In-Reply-To: <1468467090-6108-1-git-send-email-mark.yao@rock-chips.com> References: <1468467090-6108-1-git-send-email-mark.yao@rock-chips.com> Message-ID: <1468467207-6715-1-git-send-email-mark.yao@rock-chips.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 Signed-off-by: Mark Yao --- 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