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[89.66.237.154]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5e4c2f408cdsm8118489a12.0.2025.03.04.05.13.02 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 04 Mar 2025 05:13:04 -0800 (PST) Content-Type: text/plain; charset=utf-8 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 (Mac OS X Mail 16.0 \(3826.400.131.1.6\)) Subject: Re: [PATCH 0/6] Add support for RK3588 DisplayPort Controller From: Piotr Oniszczuk X-Priority: 3 In-Reply-To: <7b8767fc.3607.19551aa5f74.Coremail.andyshrk@163.com> Date: Tue, 4 Mar 2025 14:12:50 +0100 Cc: heiko@sntech.de, neil.armstrong@linaro.org, sebastian.reichel@collabora.com, devicetree@vger.kernel.org, hjc@rock-chips.com, mripard@kernel.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, yubing.zhang@rock-chips.com, dri-devel@lists.freedesktop.org, Andy Yan , krzk+dt@kernel.org, robh@kernel.org, linux-arm-kernel@lists.infradead.org Content-Transfer-Encoding: quoted-printable Message-Id: <047EECFC-7E55-44EC-896F-13FE04333E4D@gmail.com> References: <20250223113036.74252-1-andyshrk@163.com> <7b8767fc.3607.19551aa5f74.Coremail.andyshrk@163.com> To: Andy Yan X-Mailer: Apple Mail (2.3826.400.131.1.6) > Wiadomo=C5=9B=C4=87 napisana przez Andy Yan w dniu = 1 mar 2025, o godz. 13:24: >=20 >=20 > Hi Piotr, >=20 >>=20 >> is it worth to play with this or it is too early? >=20 > I think you could give it a try if it using the Standard DP=EF=BC=88non-= ALT mode=EF=BC=89 port for output.=20 > Since I don't currently have a development board with DP1 output = available, I haven't been > able to test it yet. As for the Type-C Alternate Mode output, some = patches are still required=20 > I'll send it with V2 tomorrow or next week. > Feel free to let me know if If you encounter any issues=E3=80=82 >=20 Andy, I added dp1 enablement in rock5 itx like this: = https://gist.github.com/warpme/bddf75912193f57724c49216d5d85d4a Unfortunately it not works. For /sys/kernel/debug/dri/0/state - pls see above link=E2=80=A6 I=E2=80=99m not sure: do i missed something in dt or rather issue issue = is in dp code... FYI: schematic: = https://dl.radxa.com/rock5/5itx/v1110/radxa_rock_5itx_v1110_schematic.pdf