From: "Heiko Stübner" <heiko@sntech.de>
To: dri-devel@lists.freedesktop.org
Cc: linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org,
Mark Yao <mark.yao@rock-chips.com>
Subject: Re: [PATCH] drm/rockchip: vop: fix vop vsync/hsync polarity
Date: Sat, 24 Jan 2015 16:13:46 +0100 [thread overview]
Message-ID: <6363536.7mHnmGACNi@phil> (raw)
In-Reply-To: <1421896502-9943-1-git-send-email-mark.yao@rock-chips.com>
Am Donnerstag, 22. Januar 2015, 11:15:02 schrieb Mark Yao:
> Vop set wrong vsync/hsync polarity, it may cause some
> display problem. known problem is that caused HDMI hdcp
> authenticate failed, caused pixel offset with hdmi display.
> the polarity description at RK3288 TRM doc:
> dsp_vsync_pol
> VSYNC polarity
> 1'b0 : negative
> 1'b1 : positive
> dsp_hsync_pol
> HSYNC polarity
> 1'b0 : negative
> 1'b1 : positive
>
> Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
> ---
on a rk3288-firefly board with a sda7123 vga connector
Tested-by: Heiko Stuebner <heiko@sntech.de>
Heiko
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WARNING: multiple messages have this Message-ID (diff)
From: "Heiko Stübner" <heiko@sntech.de>
To: dri-devel@lists.freedesktop.org
Cc: Mark Yao <mark.yao@rock-chips.com>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
Rob Clark <robdclark@gmail.com>,
Philipp Zabel <p.zabel@pengutronix.de>,
Daniel Kurtz <djkurtz@chromium.org>,
linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org
Subject: Re: [PATCH] drm/rockchip: vop: fix vop vsync/hsync polarity
Date: Sat, 24 Jan 2015 16:13:46 +0100 [thread overview]
Message-ID: <6363536.7mHnmGACNi@phil> (raw)
In-Reply-To: <1421896502-9943-1-git-send-email-mark.yao@rock-chips.com>
Am Donnerstag, 22. Januar 2015, 11:15:02 schrieb Mark Yao:
> Vop set wrong vsync/hsync polarity, it may cause some
> display problem. known problem is that caused HDMI hdcp
> authenticate failed, caused pixel offset with hdmi display.
> the polarity description at RK3288 TRM doc:
> dsp_vsync_pol
> VSYNC polarity
> 1'b0 : negative
> 1'b1 : positive
> dsp_hsync_pol
> HSYNC polarity
> 1'b0 : negative
> 1'b1 : positive
>
> Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
> ---
on a rk3288-firefly board with a sda7123 vga connector
Tested-by: Heiko Stuebner <heiko@sntech.de>
Heiko
next prev parent reply other threads:[~2015-01-24 15:14 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-22 3:15 [PATCH] drm/rockchip: vop: fix vop vsync/hsync polarity Mark Yao
2015-01-22 3:15 ` Mark Yao
2015-01-22 3:33 ` Daniel Kurtz
2015-01-22 3:33 ` Daniel Kurtz
2015-01-22 3:48 ` Caesar Wang
2015-01-24 15:13 ` Heiko Stübner [this message]
2015-01-24 15:13 ` Heiko Stübner
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