From: Fabio Estevam <festevam-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Romain Perier <romain.perier-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
Cc: Shawn Guo <shawnguo-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Sascha Hauer <kernel-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>,
Fabio Estevam <fabio.estevam-3arQi8VN3Tc@public.gmane.org>,
"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Ian Campbell
<ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>,
Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
Kumar Gala <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>,
linux-kernel
<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Martyn Welch
<martyn.welch-ZGY8ohtN/8pPYcu2f3hruQ@public.gmane.org>
Subject: Re: [PATCH] ARM: dts: imx: Correct B850v3 clock assignment
Date: Sun, 2 Jul 2017 10:43:06 -0300 [thread overview]
Message-ID: <CAOMZO5BeovjoheauMXJigKjPRCcf3H6hz73duwGPVCKS3qY6vw@mail.gmail.com> (raw)
In-Reply-To: <20170630134337.18245-1-romain.perier-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
On Fri, Jun 30, 2017 at 10:43 AM, Romain Perier
<romain.perier-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org> wrote:
> From: Martyn Welch <martyn.welch-ZGY8ohtN/8pPYcu2f3hruQ@public.gmane.org>
>
> The IPU that drives HDMI must have its pre_sel set to pll2_pfd_396m
> to avoid stepping on the LVDS output's toes, as the PLL can't be clocked
> to the pixel clock and to the LVDS serial clock (3.5*pixel clock) at the
> same time.
>
> As we are using ipu1_di0 and ipu2_di0, ensure both are switched to
> to pll2_pfd2_396m to avoid issues. The LDB driver will switch the
> required IPU to ldb_di1 when it uses it to drive LVDS.
>
> Signed-off-by: Martyn Welch <martyn.welch-ZGY8ohtN/8pPYcu2f3hruQ@public.gmane.org>
> Signed-off-by: Romain Perier <romain.perier-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
Reviewed-by: Fabio Estevam <fabio.estevam-3arQi8VN3Tc@public.gmane.org>
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next prev parent reply other threads:[~2017-07-02 13:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-30 13:43 [PATCH] ARM: dts: imx: Correct B850v3 clock assignment Romain Perier
[not found] ` <20170630134337.18245-1-romain.perier-ZGY8ohtN/8qB+jHODAdFcQ@public.gmane.org>
2017-07-02 13:43 ` Fabio Estevam [this message]
2017-07-12 8:31 ` Shawn Guo
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