From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] ARM: i.MX6: ipu_di_sel clocks can set parent rates
Date: Mon, 14 Apr 2014 21:10:36 +0100 [thread overview]
Message-ID: <20140414201036.GL24070@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <1397485240-29163-2-git-send-email-p.zabel@pengutronix.de>
On Mon, Apr 14, 2014 at 04:20:40PM +0200, Philipp Zabel wrote:
> To obtain exact pixel clocks, allow the DI clock selectors to influence
> the PLLs that they are derived from.
>
> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Both these appear to work for me on the iMX6Solo Hummingboard, and fix
the ability of imx-hdmi to produce a picture with correct timing.
So...
Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
For reference, at 1080p, I see:
pll5_video 1 1 1188000000 0
pll5_post_div 1 1 297000000 0
pll5_video_div 1 1 148500000 0
...
ipu1_di0_pre_sel 1 1 148500000 0
ipu1_di0_pre 1 1 148500000 0
ipu1_di0_sel 1 1 148500000 0
ipu1_di0 1 1 148500000 0
--
FTTC broadband for 0.8mile line: now at 9.7Mbps down 460kbps up... slowly
improving, and getting towards what was expected from it.
next prev parent reply other threads:[~2014-04-14 20:10 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-14 14:20 [PATCH 1/2] ARM: imx6q: clk: Parent DI clocks to video PLL via di_pre_sel Philipp Zabel
2014-04-14 14:20 ` [PATCH 2/2] ARM: i.MX6: ipu_di_sel clocks can set parent rates Philipp Zabel
2014-04-14 20:10 ` Russell King - ARM Linux [this message]
2014-04-15 3:21 ` [PATCH 1/2] ARM: imx6q: clk: Parent DI clocks to video PLL via di_pre_sel Shawn Guo
2014-04-23 7:55 ` Dirk Behme
2014-04-23 8:20 ` Lucas Stach
2014-04-23 8:31 ` Shawn Guo
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