linux-kernel - [RFC PATCH 0/1] Improve eye-diagram & single-ended test for rk3288 hdmi

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Message-Id: <1423578051-19425-1-git-send-email-ykk@rock-chips.com>
Date:	Tue, 10 Feb 2015 22:20:51 +0800
From:	Yakir Yang <ykk@...k-chips.com>
To:	David Airlie <airlied@...ux.ie>,
	Russell King <rmk+kernel@....linux.org.uk>,
	Philipp Zabel <p.zabel@...gutronix.de>
Cc:	Fabio Estevam <fabio.estevam@...escale.com>,
	Shawn Guo <shawn.guo@...aro.org>,
	Rob Clark <robdclark@...il.com>,
	Mark Yao <mark.yao@...k-chips.com>,
	Daniel Vetter <daniel@...ll.ch>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	Arnd Bergmann <arnd@...db.de>, Sean Cross <xobs@...agi.com>,
	Jyri Sarha <jsarha@...com>, Ben Zhang <benzh@...omium.org>,
	alsa-devel@...a-project.org, Heiko Stuebner <heiko@...ech.de>,
	linux-arm-kernel@...ts.infradead.org,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>, devicetree@...r.kernel.org,
	djkurtz@...omium.org, mmind00@...glemail.com,
	dianders@...omium.org, marcheu@...omium.org,
	linux-rockchip@...ts.infradead.org, Yakir Yang <ykk@...k-chips.com>
Subject: [RFC PATCH 0/1] Improve eye-diagram & single-ended test for rk3288 hdmi


RK3288 hdmi eye-diagram test would fail when pixel clock is 148.5MHz,
and single-ended test would failed when display mode is 74.25MHz.
- Fix some code style, leave space for next patches.
- For hdmi eye-diagram test, we turn on the Transmitter Trailer-B and
  improve slopeboost to 25%-30% decrease.
- For hdmi single-ended test, we set CKLVL & TXLVL to 17 when pixel
  clock is 74.25MHz, keep CKLVL & TXLVL to 13 when pixel clock is 148.5MHz.


Yakir Yang (1):
  drm: bridge/dw_hdmi: fixed codec style

 drivers/gpu/drm/bridge/dw_hdmi.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

-- 
1.7.9.5


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