From: Maxime Ripard <maxime@cerno.tech>
To: Lucas Stach <l.stach@pengutronix.de>
Cc: Philipp Zabel <p.zabel@pengutronix.de>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Shawn Guo <shawnguo@kernel.org>,
NXP Linux Team <linux-imx@nxp.com>,
Fabio Estevam <festevam@gmail.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Robert Foss <robert.foss@linaro.org>,
Neil Armstrong <narmstrong@baylibre.com>,
Andrzej Hajda <andrzej.hajda@intel.com>,
Vinod Koul <vkoul@kernel.org>,
Kishon Vijay Abraham I <kishon@ti.com>,
dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-phy@lists.infradead.org, patchwork-lst@pengutronix.de
Subject: Re: [PATCH v0 07/10] phy: freescale: add Samsung HDMI PHY
Date: Mon, 11 Apr 2022 13:59:22 +0200 [thread overview]
Message-ID: <20220411115922.luv2gyutdecvsxa3@houat> (raw)
In-Reply-To: <20220406160123.1272911-8-l.stach@pengutronix.de>
[-- Attachment #1: Type: text/plain, Size: 658 bytes --]
Hi Lucas,
On Wed, Apr 06, 2022 at 06:01:20PM +0200, Lucas Stach wrote:
> +static unsigned long phy_clk_recalc_rate(struct clk_hw *hw,
> + unsigned long parent_rate)
> +{
> + struct fsl_samsung_hdmi_phy *phy = to_fsl_samsung_hdmi_phy(hw);
> +
> + if (!phy->cur_cfg)
> + return 0;
> +
> + return phy->cur_cfg->clk_rate;
> +}
This means that the clock will return 0 at initialization, which will
throw the rate accounting in the CCF off.
Returning 0 here isn't valid. Surely that phy has a default
configuration at boot that you could use to initialize a rate?
See https://lore.kernel.org/linux-clk/20220408091037.2041955-1-maxime@cerno.tech/
Maxime
[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 228 bytes --]
next prev parent reply other threads:[~2022-04-11 11:59 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-06 16:01 [PATCH v0 00/10] i.MX8MP HDMI support Lucas Stach
2022-04-06 16:01 ` [PATCH v0 01/10] drm/bridge: dw-hdmi: add low-active PHY reset Lucas Stach
2022-04-07 8:30 ` Neil Armstrong
2022-04-07 8:50 ` Lucas Stach
2022-04-06 16:01 ` [PATCH v0 02/10] dt-bindings: display: imx: add binding for i.MX8MP HDMI TX Lucas Stach
2022-04-06 20:08 ` Rob Herring
2022-04-07 9:15 ` Lucas Stach
2022-04-07 16:59 ` Rob Herring
2022-04-06 16:01 ` [PATCH v0 03/10] drm/imx: add bridge wrapper driver for i.MX8MP DWC HDMI Lucas Stach
2022-04-07 10:02 ` Philipp Zabel
2022-04-06 16:01 ` [PATCH v0 04/10] dt-bindings: display: imx: add binding for i.MX8MP HDMI PVI Lucas Stach
2022-04-06 20:08 ` Rob Herring
2022-04-06 16:01 ` [PATCH v0 05/10] drm/imx: add driver for HDMI TX Parallel Video Interface Lucas Stach
2022-04-07 10:36 ` Philipp Zabel
2022-04-06 16:01 ` [PATCH v0 06/10] dt-bindings: phy: add binding for the i.MX8MP HDMI PHY Lucas Stach
2022-04-06 20:08 ` Rob Herring
2022-04-06 16:01 ` [PATCH v0 07/10] phy: freescale: add Samsung " Lucas Stach
2022-04-07 9:29 ` Philipp Zabel
2022-04-11 11:59 ` Maxime Ripard [this message]
2022-04-11 12:20 ` Lucas Stach
2022-04-11 14:07 ` Maxime Ripard
2022-04-06 16:01 ` [PATCH v0 08/10] arm64: dts: imx8mp: add HDMI irqsteer Lucas Stach
2022-04-06 16:01 ` [PATCH v0 09/10] arm64: dts: imx8mp: add HDMI display pipeline Lucas Stach
2022-05-31 8:31 ` (EXT) " Alexander Stein
2022-04-06 16:01 ` [PATCH v0 10/10] arm64: dts: imx8mp-evk: enable HDMI Lucas Stach
2022-04-06 16:10 ` [PATCH v0 00/10] i.MX8MP HDMI support Tim Harvey
2022-04-06 16:27 ` Lucas Stach
2022-04-12 9:18 ` Alexander Stein
2022-04-12 9:41 ` Lucas Stach
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20220411115922.luv2gyutdecvsxa3@houat \
--to=maxime@cerno.tech \
--cc=andrzej.hajda@intel.com \
--cc=devicetree@vger.kernel.org \
--cc=dri-devel@lists.freedesktop.org \
--cc=festevam@gmail.com \
--cc=kernel@pengutronix.de \
--cc=kishon@ti.com \
--cc=krzk+dt@kernel.org \
--cc=l.stach@pengutronix.de \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-imx@nxp.com \
--cc=linux-phy@lists.infradead.org \
--cc=narmstrong@baylibre.com \
--cc=p.zabel@pengutronix.de \
--cc=patchwork-lst@pengutronix.de \
--cc=robert.foss@linaro.org \
--cc=robh+dt@kernel.org \
--cc=shawnguo@kernel.org \
--cc=vkoul@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).