From: Bjorn Andersson <andersson@kernel.org>
To: Sebastian Reichel <sre@kernel.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Heiko Stuebner <heiko@sntech.de>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Konrad Dybcio <konradybcio@kernel.org>,
linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org,
linux-mediatek@lists.infradead.org,
linux-arm-msm@vger.kernel.org, kernel@collabora.com,
Sebastian Reichel <sebastian.reichel@collabora.com>,
Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Subject: Re: [PATCH v2 4/4] arm64: dts: qcom: Use DP AltMode defines
Date: Sat, 7 Nov 2026 16:42:19 -0600 [thread overview]
Message-ID: <au-pMBoYrUn89Zhy@zenbook> (raw)
In-Reply-To: <20261017-dp-altmode-dt-defines-v2-4-7ab3d93553dd@collabora.com>
On Sat, Oct 17, 2026 at 09:59:33PM +0200, Sebastian Reichel wrote:
> From: Sebastian Reichel <sebastian.reichel@collabora.com>
>
> Use the new USB-C DP AltMode defines for the SVID and the capabilities
> VDO to make the DTs more readable.
>
> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Acked-by: Bjorn Andersson <andersson@kernel.org>
Regards,
Bjorn
> ---
> arch/arm64/boot/dts/qcom/qrb5165-rb5.dts | 8 ++++++--
> arch/arm64/boot/dts/qcom/sm8150-hdk.dts | 9 +++++++--
> 2 files changed, 13 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
> index d6af679abe1a..d21b94e872ce 100644
> --- a/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
> +++ b/arch/arm64/boot/dts/qcom/qrb5165-rb5.dts
> @@ -1508,8 +1508,12 @@ PDO_FIXED_USB_COMM |
>
> altmodes {
> displayport {
> - svid = /bits/ 16 <0xff01>;
> - vdo = <0x00001c46>;
> + svid = /bits/ 16 <USB_SVID_DP_ALTMODE>;
> + vdo = <VDO_DP(DP_CAP_DPAM_V2_0, DP_CAP_CABLE_TYPE_PASSIVE,
> + DP_CAP_UHBR_13_5_UNSUPPORTED,
> + DP_PIN_UFP_NONE, DP_PIN_DFP_C_D_E,
> + DP_CAP_USB2_USED, DP_CAP_RECEPTACLE,
> + DP_CAP_SIGNALLING_HBR3, DP_CAP_DFP_D)>;
> };
> };
>
> diff --git a/arch/arm64/boot/dts/qcom/sm8150-hdk.dts b/arch/arm64/boot/dts/qcom/sm8150-hdk.dts
> index cdced5c848d3..3d83dd305954 100644
> --- a/arch/arm64/boot/dts/qcom/sm8150-hdk.dts
> +++ b/arch/arm64/boot/dts/qcom/sm8150-hdk.dts
> @@ -581,8 +581,13 @@ PDO_FIXED_USB_COMM |
>
> altmodes {
> displayport {
> - svid = /bits/ 16 <0xff01>;
> - vdo = <0x00001c46>;
> + svid = /bits/ 16 <USB_SVID_DP_ALTMODE>;
> + vdo = <VDO_DP(DP_CAP_DPAM_V2_0, DP_CAP_CABLE_TYPE_PASSIVE,
> + DP_CAP_UHBR_13_5_UNSUPPORTED,
> + DP_PIN_UFP_NONE, DP_PIN_DFP_C_D_E,
> + DP_CAP_USB2_USED, DP_CAP_RECEPTACLE,
> + DP_CAP_SIGNALLING_HBR3, DP_CAP_DFP_D)>;
> +
> };
> };
>
>
> --
> 2.53.0
>
prev parent reply other threads:[~2026-11-07 22:42 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-17 19:59 [PATCH v2 0/4] Add DP AltMode VDO definitions for DT usage Sebastian Reichel
2026-10-17 19:59 ` [PATCH v2 1/4] dt-bindings: connector: Add DP AltMode VDO definitions Sebastian Reichel
2026-10-30 15:37 ` Rob Herring (Arm)
2026-10-17 19:59 ` [PATCH v2 2/4] arm64: dts: rockchip: Use DP AltMode defines Sebastian Reichel
2026-10-17 19:59 ` [PATCH v2 3/4] arm64: dts: mediatek: " Sebastian Reichel
2026-10-17 19:59 ` [PATCH v2 4/4] arm64: dts: qcom: " Sebastian Reichel
2026-10-18 11:56 ` Dmitry Baryshkov
2026-11-07 22:42 ` Bjorn Andersson [this message]
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