linux-kernel - Re: [PATCH v2 2/3] arm64: dts: rockchip: add HDMI support to rk3588-tiger-haikou

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Message-ID: <6ea01da5-076d-4714-a45c-6c7407b00214@cherry.de>
Date: Thu, 24 Oct 2024 19:31:44 +0200
From: Quentin Schulz <quentin.schulz@...rry.de>
To: Heiko Stuebner <heiko@...ech.de>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
 Heiko Stuebner <heiko.stuebner@...rry.de>
Subject: Re: [PATCH v2 2/3] arm64: dts: rockchip: add HDMI support to
 rk3588-tiger-haikou

Hi Heiko,

On 10/24/24 5:14 PM, Heiko Stuebner wrote:
> From: Heiko Stuebner <heiko.stuebner@...rry.de>
> 
> The Haikou baseboard has an hdmi output port, which is connected
> via the Q7 connector to the hdmi0 controller of the rk3588.
> 
> Add the necessary plumbing to enable it using the recently merged
> hdmi-qp controller.
> 
> Signed-off-by: Heiko Stuebner <heiko.stuebner@...rry.de>

I have this Chinese portable HDMI display[1] which doesn't print 
anything at boot but works with modetest. Same behavior can be observed 
on downstream, maybe we can get some people interested in debugging this 
now that it also impacts upstream :)

With a decent, FHD, monitor everything is fine so:

Tested-by: Quentin Schulz <quentin.schulz@...rry.de>
Reviewed-by: Quentin Schulz <quentin.schulz@...rry.de>

Thanks!
Quentin

[1] https://www.amazon.de/dp/B0CKYR6FN5