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From: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
To: Andy Yan <andy.yan@rock-chips.com>, Vinod Koul <vkoul@kernel.org>,
	Kishon Vijay Abraham I <kishon@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Heiko Stuebner <heiko@sntech.de>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Johan Jonker <jbx6244@gmail.com>,
	Sebastian Reichel <sebastian.reichel@collabora.com>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Algea Cao <algea.cao@rock-chips.com>
Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
	kernel@collabora.com
Subject: Re: [PATCH 3/3] phy: rockchip: Add Samsung HDMI/DP Combo PHY driver
Date: Wed, 24 Jan 2024 02:24:35 +0200	[thread overview]
Message-ID: <ba848de7-1a20-47ee-9013-10500eb3da00@collabora.com> (raw)
In-Reply-To: <298b7a10-2acb-4297-92cd-2ee4d890bfb2@rock-chips.com>

Hi Andy,

On 1/22/24 12:17, Andy Yan wrote:
> Hi Cristian:
> 
> On 1/20/24 03:38, Cristian Ciocaltea wrote:
>> Add driver for the Rockchip HDMI/eDP TX Combo PHY found on RK3588 SoC.

[...]

>> +static int rockchip_hdptx_phy_power_on(struct phy *phy)
>> +{
>> +    struct rockchip_hdptx_phy *hdptx = phy_get_drvdata(phy);
>> +    int bus_width = phy_get_bus_width(hdptx->phy);
>> +    int bit_rate = bus_width & DATA_RATE_MASK;
>> +    int ret;
>> +
>> +    dev_dbg(hdptx->dev, "%s bus_width=%x rate=%d\n",
>> +        __func__, bus_width, bit_rate);
>> +
>> +    ret = pm_runtime_resume_and_get(hdptx->dev);
>> +    if (ret) {
>> +        dev_err(hdptx->dev, "Failed to resume phy: %d\n", ret);
>> +        return ret;
>> +    }
>> +
>> +    if (bus_width & HDMI_EARC_MASK)
>> +        hdptx->earc_en = true;
>> +    else
>> +        hdptx->earc_en = false;
>> +
>> +    if (bus_width & HDMI_MODE_MASK) {
> 
> Here use phy->attrs.bus_width to indicate different work mode,
> we also use the same in our bsp, but not sure if it is the appropriate way.

Unfortunately the PHY API doesn't seem to provide a clean way to pass
arbitrary data.  Probably for the initial support we could simply drop
the 10-bit color depth, FRL and EARC features.

Thanks,
Cristian

WARNING: multiple messages have this Message-ID (diff)
From: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
To: Andy Yan <andy.yan@rock-chips.com>, Vinod Koul <vkoul@kernel.org>,
	Kishon Vijay Abraham I <kishon@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Heiko Stuebner <heiko@sntech.de>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Johan Jonker <jbx6244@gmail.com>,
	Sebastian Reichel <sebastian.reichel@collabora.com>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Algea Cao <algea.cao@rock-chips.com>
Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
	kernel@collabora.com
Subject: Re: [PATCH 3/3] phy: rockchip: Add Samsung HDMI/DP Combo PHY driver
Date: Wed, 24 Jan 2024 02:24:35 +0200	[thread overview]
Message-ID: <ba848de7-1a20-47ee-9013-10500eb3da00@collabora.com> (raw)
In-Reply-To: <298b7a10-2acb-4297-92cd-2ee4d890bfb2@rock-chips.com>

Hi Andy,

On 1/22/24 12:17, Andy Yan wrote:
> Hi Cristian:
> 
> On 1/20/24 03:38, Cristian Ciocaltea wrote:
>> Add driver for the Rockchip HDMI/eDP TX Combo PHY found on RK3588 SoC.

[...]

>> +static int rockchip_hdptx_phy_power_on(struct phy *phy)
>> +{
>> +    struct rockchip_hdptx_phy *hdptx = phy_get_drvdata(phy);
>> +    int bus_width = phy_get_bus_width(hdptx->phy);
>> +    int bit_rate = bus_width & DATA_RATE_MASK;
>> +    int ret;
>> +
>> +    dev_dbg(hdptx->dev, "%s bus_width=%x rate=%d\n",
>> +        __func__, bus_width, bit_rate);
>> +
>> +    ret = pm_runtime_resume_and_get(hdptx->dev);
>> +    if (ret) {
>> +        dev_err(hdptx->dev, "Failed to resume phy: %d\n", ret);
>> +        return ret;
>> +    }
>> +
>> +    if (bus_width & HDMI_EARC_MASK)
>> +        hdptx->earc_en = true;
>> +    else
>> +        hdptx->earc_en = false;
>> +
>> +    if (bus_width & HDMI_MODE_MASK) {
> 
> Here use phy->attrs.bus_width to indicate different work mode,
> we also use the same in our bsp, but not sure if it is the appropriate way.

Unfortunately the PHY API doesn't seem to provide a clean way to pass
arbitrary data.  Probably for the initial support we could simply drop
the 10-bit color depth, FRL and EARC features.

Thanks,
Cristian

_______________________________________________
Linux-rockchip mailing list
Linux-rockchip@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-rockchip

WARNING: multiple messages have this Message-ID (diff)
From: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
To: Andy Yan <andy.yan@rock-chips.com>, Vinod Koul <vkoul@kernel.org>,
	Kishon Vijay Abraham I <kishon@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Heiko Stuebner <heiko@sntech.de>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Johan Jonker <jbx6244@gmail.com>,
	Sebastian Reichel <sebastian.reichel@collabora.com>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Algea Cao <algea.cao@rock-chips.com>
Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
	kernel@collabora.com
Subject: Re: [PATCH 3/3] phy: rockchip: Add Samsung HDMI/DP Combo PHY driver
Date: Wed, 24 Jan 2024 02:24:35 +0200	[thread overview]
Message-ID: <ba848de7-1a20-47ee-9013-10500eb3da00@collabora.com> (raw)
In-Reply-To: <298b7a10-2acb-4297-92cd-2ee4d890bfb2@rock-chips.com>

Hi Andy,

On 1/22/24 12:17, Andy Yan wrote:
> Hi Cristian:
> 
> On 1/20/24 03:38, Cristian Ciocaltea wrote:
>> Add driver for the Rockchip HDMI/eDP TX Combo PHY found on RK3588 SoC.

[...]

>> +static int rockchip_hdptx_phy_power_on(struct phy *phy)
>> +{
>> +    struct rockchip_hdptx_phy *hdptx = phy_get_drvdata(phy);
>> +    int bus_width = phy_get_bus_width(hdptx->phy);
>> +    int bit_rate = bus_width & DATA_RATE_MASK;
>> +    int ret;
>> +
>> +    dev_dbg(hdptx->dev, "%s bus_width=%x rate=%d\n",
>> +        __func__, bus_width, bit_rate);
>> +
>> +    ret = pm_runtime_resume_and_get(hdptx->dev);
>> +    if (ret) {
>> +        dev_err(hdptx->dev, "Failed to resume phy: %d\n", ret);
>> +        return ret;
>> +    }
>> +
>> +    if (bus_width & HDMI_EARC_MASK)
>> +        hdptx->earc_en = true;
>> +    else
>> +        hdptx->earc_en = false;
>> +
>> +    if (bus_width & HDMI_MODE_MASK) {
> 
> Here use phy->attrs.bus_width to indicate different work mode,
> we also use the same in our bsp, but not sure if it is the appropriate way.

Unfortunately the PHY API doesn't seem to provide a clean way to pass
arbitrary data.  Probably for the initial support we could simply drop
the 10-bit color depth, FRL and EARC features.

Thanks,
Cristian

-- 
linux-phy mailing list
linux-phy@lists.infradead.org
https://lists.infradead.org/mailman/listinfo/linux-phy

WARNING: multiple messages have this Message-ID (diff)
From: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
To: Andy Yan <andy.yan@rock-chips.com>, Vinod Koul <vkoul@kernel.org>,
	Kishon Vijay Abraham I <kishon@kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Heiko Stuebner <heiko@sntech.de>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	Johan Jonker <jbx6244@gmail.com>,
	Sebastian Reichel <sebastian.reichel@collabora.com>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Algea Cao <algea.cao@rock-chips.com>
Cc: linux-phy@lists.infradead.org, devicetree@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
	kernel@collabora.com
Subject: Re: [PATCH 3/3] phy: rockchip: Add Samsung HDMI/DP Combo PHY driver
Date: Wed, 24 Jan 2024 02:24:35 +0200	[thread overview]
Message-ID: <ba848de7-1a20-47ee-9013-10500eb3da00@collabora.com> (raw)
In-Reply-To: <298b7a10-2acb-4297-92cd-2ee4d890bfb2@rock-chips.com>

Hi Andy,

On 1/22/24 12:17, Andy Yan wrote:
> Hi Cristian:
> 
> On 1/20/24 03:38, Cristian Ciocaltea wrote:
>> Add driver for the Rockchip HDMI/eDP TX Combo PHY found on RK3588 SoC.

[...]

>> +static int rockchip_hdptx_phy_power_on(struct phy *phy)
>> +{
>> +    struct rockchip_hdptx_phy *hdptx = phy_get_drvdata(phy);
>> +    int bus_width = phy_get_bus_width(hdptx->phy);
>> +    int bit_rate = bus_width & DATA_RATE_MASK;
>> +    int ret;
>> +
>> +    dev_dbg(hdptx->dev, "%s bus_width=%x rate=%d\n",
>> +        __func__, bus_width, bit_rate);
>> +
>> +    ret = pm_runtime_resume_and_get(hdptx->dev);
>> +    if (ret) {
>> +        dev_err(hdptx->dev, "Failed to resume phy: %d\n", ret);
>> +        return ret;
>> +    }
>> +
>> +    if (bus_width & HDMI_EARC_MASK)
>> +        hdptx->earc_en = true;
>> +    else
>> +        hdptx->earc_en = false;
>> +
>> +    if (bus_width & HDMI_MODE_MASK) {
> 
> Here use phy->attrs.bus_width to indicate different work mode,
> we also use the same in our bsp, but not sure if it is the appropriate way.

Unfortunately the PHY API doesn't seem to provide a clean way to pass
arbitrary data.  Probably for the initial support we could simply drop
the 10-bit color depth, FRL and EARC features.

Thanks,
Cristian

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  reply	other threads:[~2024-01-24  0:24 UTC|newest]

Thread overview: 92+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-19 19:38 [PATCH 0/3] Add support for RK3588 HDMI/DP Combo PHY Cristian Ciocaltea
2024-01-19 19:38 ` Cristian Ciocaltea
2024-01-19 19:38 ` Cristian Ciocaltea
2024-01-19 19:38 ` Cristian Ciocaltea
2024-01-19 19:38 ` [PATCH 1/3] dt-bindings: soc: rockchip: Add rk3588 hdptxphy syscon Cristian Ciocaltea
2024-01-19 19:38   ` Cristian Ciocaltea
2024-01-19 19:38   ` Cristian Ciocaltea
2024-01-19 19:38   ` Cristian Ciocaltea
2024-01-25  9:10   ` Krzysztof Kozlowski
2024-01-25  9:10     ` Krzysztof Kozlowski
2024-01-25  9:10     ` Krzysztof Kozlowski
2024-01-25  9:10     ` Krzysztof Kozlowski
2024-01-19 19:38 ` [PATCH 2/3] dt-bindings: phy: Add Rockchip HDMI/DP Combo PHY schema Cristian Ciocaltea
2024-01-19 19:38   ` Cristian Ciocaltea
2024-01-19 19:38   ` Cristian Ciocaltea
2024-01-19 19:38   ` Cristian Ciocaltea
2024-01-25  9:11   ` Krzysztof Kozlowski
2024-01-25  9:11     ` Krzysztof Kozlowski
2024-01-25  9:11     ` Krzysztof Kozlowski
2024-01-25  9:11     ` Krzysztof Kozlowski
2024-01-25  9:39     ` Cristian Ciocaltea
2024-01-25  9:39       ` Cristian Ciocaltea
2024-01-25  9:39       ` Cristian Ciocaltea
2024-01-25  9:39       ` Cristian Ciocaltea
2024-01-19 19:38 ` [PATCH 3/3] phy: rockchip: Add Samsung HDMI/DP Combo PHY driver Cristian Ciocaltea
2024-01-19 19:38   ` Cristian Ciocaltea
2024-01-19 19:38   ` Cristian Ciocaltea
2024-01-19 19:38   ` Cristian Ciocaltea
2024-01-19 22:47   ` Sebastian Reichel
2024-01-19 22:47     ` Sebastian Reichel
2024-01-19 22:47     ` Sebastian Reichel
2024-01-19 22:47     ` Sebastian Reichel
2024-01-19 23:22     ` Cristian Ciocaltea
2024-01-19 23:22       ` Cristian Ciocaltea
2024-01-19 23:22       ` Cristian Ciocaltea
2024-01-19 23:22       ` Cristian Ciocaltea
2024-01-20 16:00     ` Alex Bee
2024-01-20 16:00       ` Alex Bee
2024-01-20 16:00       ` Alex Bee
2024-01-20 16:00       ` Alex Bee
2024-01-22 10:17   ` Andy Yan
2024-01-22 10:17     ` Andy Yan
2024-01-22 10:17     ` Andy Yan
2024-01-22 10:17     ` Andy Yan
2024-01-24  0:24     ` Cristian Ciocaltea [this message]
2024-01-24  0:24       ` Cristian Ciocaltea
2024-01-24  0:24       ` Cristian Ciocaltea
2024-01-24  0:24       ` Cristian Ciocaltea
2024-01-22 12:14   ` Sascha Hauer
2024-01-22 12:14     ` Sascha Hauer
2024-01-22 12:14     ` Sascha Hauer
2024-01-22 12:14     ` Sascha Hauer
2024-01-24  0:58     ` Cristian Ciocaltea
2024-01-24  0:58       ` Cristian Ciocaltea
2024-01-24  0:58       ` Cristian Ciocaltea
2024-01-24  0:58       ` Cristian Ciocaltea
2024-01-24  2:42       ` Andy Yan
2024-01-24  2:42         ` Andy Yan
2024-01-24  2:42         ` Andy Yan
2024-01-24  2:42         ` Andy Yan
2024-01-24  7:30         ` Andy Yan
2024-01-24  7:30           ` Andy Yan
2024-01-24  7:30           ` Andy Yan
2024-01-24  7:30           ` Andy Yan
2024-01-24  9:16           ` Jonas Karlman
2024-01-24  9:16             ` Jonas Karlman
2024-01-24  9:16             ` Jonas Karlman
2024-01-24  9:16             ` Jonas Karlman
2024-01-24 23:08             ` Cristian Ciocaltea
2024-01-24 23:08               ` Cristian Ciocaltea
2024-01-24 23:08               ` Cristian Ciocaltea
2024-01-24 23:08               ` Cristian Ciocaltea
2024-01-19 23:41 ` [PATCH 0/3] Add support for RK3588 HDMI/DP Combo PHY Cristian Ciocaltea
2024-01-19 23:41   ` Cristian Ciocaltea
2024-01-19 23:41   ` Cristian Ciocaltea
2024-01-19 23:41   ` Cristian Ciocaltea
2024-01-22 10:10   ` Andy Yan
2024-01-22 10:10     ` Andy Yan
2024-01-22 10:10     ` Andy Yan
2024-01-22 10:10     ` Andy Yan
2024-01-24  1:03     ` Cristian Ciocaltea
2024-01-24  1:03       ` Cristian Ciocaltea
2024-01-24  1:03       ` Cristian Ciocaltea
2024-01-24  1:03       ` Cristian Ciocaltea
2024-01-25 19:56 ` (subset) " Heiko Stuebner
2024-01-25 19:56   ` Heiko Stuebner
2024-01-25 19:56   ` Heiko Stuebner
2024-01-25 19:56   ` Heiko Stuebner
2024-01-25 20:00   ` Cristian Ciocaltea
2024-01-25 20:00     ` Cristian Ciocaltea
2024-01-25 20:00     ` Cristian Ciocaltea
2024-01-25 20:00     ` Cristian Ciocaltea

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