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[89.66.237.154]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ac2399d4ed4sm104210166b.178.2025.03.06.06.28.20 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 06 Mar 2025 06:28:21 -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: <252BB2E2-4BC5-4402-953D-F7B30EA5DE14@gmail.com> Date: Thu, 6 Mar 2025 15:28:08 +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: <326B91E9-FB91-43C3-B98B-3EF079F313C6@gmail.com> References: <25401bfa.291d.19564244e54.Coremail.andyshrk@163.com> <75189787-28E1-4FC2-8E10-4960B3877A6F@gmail.com> <28b0d3fc.bb3.19568f6b5f8.Coremail.andyshrk@163.com> <44213B17-FE14-4FB8-8319-1E31BBF6EAA0@gmail.com> <74c154b6.8c50.1956aa8c8d2.Coremail.andyshrk@163.com> <1573D5D6-AFED-4D92-8112-B0C6BB52D5FF@gmail.com> <46c0d239.a4f5.1956b619b97.Coremail.andyshrk@163.com> <252BB2E2-4BC5-4402-953D-F7B30EA5DE14@gmail.com> To: Andy Yan X-Mailer: Apple Mail (2.3826.400.131.1.6) > Wiadomo=C5=9B=C4=87 napisana przez Piotr Oniszczuk = w dniu 6 mar 2025, o godz. 15:08: >=20 >=20 >=20 >> Wiadomo=C5=9B=C4=87 napisana przez Andy Yan w dniu = 6 mar 2025, o godz. 13:15: >>=20 >> Hi Piotr, >>=20 >>=20 >>=20 >> Then when you DP cable plugin, you can run command as bellow to see = if the driver detects the HPD: >>=20 >> # cat /sys/class/drm/card0-DP-1/status=20 >> connected >> #=20 >>=20 >=20 >=20 > Andy, > Thx! >=20 > With above changes i=E2=80=99m getting =E2=80=9Econnected=E2=80=9D. > Also it looks crtc gets reasonable mode: = https://gist.github.com/warpme/d6220e3cc502086a4c95f05bd9f9cf0c >=20 > Still black screen however=E2=80=A6 > =20 some additional data point: /sys/kernel/debug/dri/1/vop2/summary=20 working hdmi: Video Port1: ACTIVE Connector: HDMI-A-1 bus_format[0]: Unknown output_mode[f] color_space[0] Display mode: 1920x1080p60 clk[148500] real_clk[148500] type[48] flag[5] H: 1920 2008 2052 2200 V: 1080 1084 1089 1125 Cluster0-win0: ACTIVE win_id: 0 format: XR24 little-endian (0x34325258) glb_alpha[0xff] rotate: xmirror: 0 ymirror: 0 rotate_90: 0 rotate_270: 0 zpos: 0 src: pos[0, 0] rect[1920 x 1080] dst: pos[0, 0] rect[1920 x 1080] buf[0]: addr: 0x00000000017e1000 pitch: 7680 offset: 0 Video Port2: DISABLED non-working DP: Video Port1: DISABLED Video Port2: ACTIVE Connector: DP-1 bus_format[100a]: RGB888_1X24 output_mode[f] color_space[0] Display mode: 1920x1080p60 clk[148500] real_clk[148500] type[48] flag[5] H: 1920 2008 2052 2200 V: 1080 1084 1089 1125 Cluster1-win0: ACTIVE win_id: 1 format: XR24 little-endian (0x34325258) glb_alpha[0xff] rotate: xmirror: 0 ymirror: 0 rotate_90: 0 rotate_270: 0 zpos: 0 src: pos[0, 0] rect[1920 x 1080] dst: pos[0, 0] rect[1920 x 1080] buf[0]: addr: 0x00000000007ed000 pitch: 7680 offset: 0