linux-kernel - Re: [PATCH] arm64: dts: rockchip: add hdmi1 support to ROCK 5 ITX

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Message-ID: <20250217023521.35071-1-liujianfeng1994@gmail.com>
Date: Mon, 17 Feb 2025 10:35:21 +0800
From: Jianfeng Liu <liujianfeng1994@...il.com>
To: piotr.oniszczuk@...il.com
Cc: conor+dt@...nel.org,
	devicetree@...r.kernel.org,
	heiko@...ech.de,
	krzk+dt@...nel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-rockchip@...ts.infradead.org,
	liujianfeng1994@...il.com,
	robh@...nel.org,
	sfr@...b.auug.org.au
Subject: Re: [PATCH] arm64: dts: rockchip: add hdmi1 support to ROCK 5 ITX

Hi,

On Sun, 16 Feb 2025 20:53:27 +0100, Piotr Oniszczuk wrote:
>[    0.531139] rockchip-drm display-subsystem: bound fdea0000.hdmi (ops dw_hdmi_qp_rockchip_ops)

It seems that hdmi qp driver is built in kernel, while armbian builds it
as module. I don't know if this is related. And here is the dmesg output
of drm on armbian:

jfliu@...k-5-itx:~$ sudo dmesg |grep drm
[    2.190256] panthor fb000000.gpu: [drm] clock rate = 198000000
[    2.191470] panthor fb000000.gpu: [drm] mali-g610 id 0xa867 major 0x0 minor 0x0 status 0x5
[    2.191478] panthor fb000000.gpu: [drm] Features: L2:0x7120306 Tiler:0x809 Mem:0x301 MMU:0x2830 AS:0xff
[    2.191482] panthor fb000000.gpu: [drm] shader_present=0x50005 l2_present=0x1 tiler_present=0x1
[    2.195853] panthor fb000000.gpu: [drm] Firmware protected mode entry not be supported, ignoring
[    2.196019] panthor fb000000.gpu: [drm] Firmware git sha: 814b47b551159067b67a37c4e9adda458ad9d852
[    2.196407] panthor fb000000.gpu: [drm] CSF FW using interface v1.1.0, Features 0x0 Instrumentation features 0x71
[    2.221006] [drm] Initialized panthor 1.3.0 for fb000000.gpu on minor 0
[    2.566800] rockchip-drm display-subsystem: bound fdd90000.vop (ops rockchip_drm_fini [rockchipdrm])
[    2.567523] rockchip-drm display-subsystem: bound fdea0000.hdmi (ops rockchip_drm_fini [rockchipdrm])
[    2.567882] [drm] Initialized rockchip 1.0.0 for display-subsystem on minor 1
[    2.740995] rockchip-drm display-subsystem: [drm] fb0: rockchipdrmfb frame buffer device

>Is it possible to provide me url with kernel package you are using (wich works ok for you)?

I'm working on 6.14-rc2 now and this patch is included in this armbian pr:
https://github.com/armbian/build/pull/7835

And here is the kernel deb I built, which is confirmed working:
https://cdn.haguro.top/share/kernel-rockchip64-edge_6.14-rc2-rock5itx-hdmi1_arm64.tar

Best regards,
Jianfeng