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From: Mark Yao <mark.yao@rock-chips.com>
To: Mark Yao <mark.yao@rock-chips.com>,
	David Airlie <airlied@linux.ie>, Heiko Stuebner <heiko@sntech.de>
Cc: dri-devel@lists.freedesktop.org,
	linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: [PATCH 3/6] drm/rockchip: vop: fix NV12 video display error
Date: Mon, 31 Jul 2017 17:49:46 +0800	[thread overview]
Message-ID: <1501494586-6984-1-git-send-email-mark.yao@rock-chips.com> (raw)
In-Reply-To: <1501494569-6825-1-git-send-email-mark.yao@rock-chips.com>

fixup the scale calculation formula on the case
src_height == (dst_height/2).

Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
---
 drivers/gpu/drm/rockchip/rockchip_drm_vop.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
index af1091f..56bbd2e 100644
--- a/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
+++ b/drivers/gpu/drm/rockchip/rockchip_drm_vop.h
@@ -299,6 +299,9 @@ 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);
 }
 
-- 
1.9.1

  parent reply	other threads:[~2017-07-31  9:49 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-07-31  9:49 [PATCH 0/6] drm/rockchip: Some fixes Mark Yao
2017-07-31  9:49 ` [PATCH 1/6] drm/rockchip: vop: no need wait vblank on crtc enable Mark Yao
2017-08-03 12:36   ` Sandy Huang
2017-07-31  9:49 ` [PATCH 2/6] drm/rockchip: vop: fix iommu page fault when resume Mark Yao
2017-08-03 13:06   ` Sandy Huang
2017-07-31  9:49 ` Mark Yao [this message]
2017-08-04  0:56   ` [PATCH 3/6] drm/rockchip: vop: fix NV12 video display error Sandy Huang
2017-07-31  9:49 ` [PATCH 4/6] drm/rockchip: vop: round_up pitches to word align Mark Yao
2017-08-04  0:56   ` Sandy Huang
2017-07-31  9:49 ` [PATCH 5/6] drm/rockchip: vop: report error when check resource error Mark Yao
2017-08-04  0:57   ` Sandy Huang
2017-07-31  9:50 ` [PATCH 6/6] drm/rockchip: fix race with kms hotplug and fbdev Mark Yao
2017-07-31 11:57   ` Emil Velikov
2017-07-31 12:28     ` Daniel Vetter
2017-08-01  2:00       ` Mark yao
2017-08-01  8:11   ` [PATCH v1.1] " Mark Yao
2017-08-04  3:20     ` Sandy Huang
2017-08-09 13:38 ` [PATCH 0/6] drm/rockchip: Some fixes Sean Paul

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