linux-kernel - Re: [PATCH v2 2/5] arm64: dts: rockchip: Enable HDMI0 on rock-5b

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Message-ID: <fd2d2d7e-67ae-43a1-81ef-91e2852edcb6@collabora.com>
Date: Wed, 6 Nov 2024 23:26:54 +0200
From: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
To: Link Mauve <linkmauve@...kmauve.fr>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>,
 Sebastian Reichel <sebastian.reichel@...labora.com>,
 Luis de Arquer <ldearquer@...il.com>, Alexandre ARNOUD <aarnoud@...com>,
 kernel@...labora.com, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org,
 linux-kernel@...r.kernel.org, FUKAUMI Naoki <naoki@...xa.com>
Subject: Re: [PATCH v2 2/5] arm64: dts: rockchip: Enable HDMI0 on rock-5b

On 11/6/24 10:42 PM, Link Mauve wrote:
> Hi,
> 
> I’ve tested this series on a Radxa Rock 5B using Weston, and thus
> patches 1 and 2 are:
> Tested-by: Link Mauve <linkmauve@...kmauve.fr>
> 
> On a TV which erroneously reports 1360×768 as its preferred mode,
> nothing gets displayed.  Only setting a 1920×1080 mode will display
> things correctly, every other mode stays black.

I'd suggest to try the following patches from [1], they should improve the
display modes support:

94b5c31f969d ("[WIP] drm/rockchip: vop2: Improve display modes handling on rk3588")
c33c23053987 ("[WIP] arm64: dts: rockchip: Enable HDMI0 PHY clk provider on rk3588")
6059245635c0 ("[WIP] arm64: dts: rockchip: Make use of HDMI0 PHY PLL on rock-5b")

I'm currently cleaning this up and submit upstream when ready.

Thanks for testing,
Cristian

[1] https://gitlab.collabora.com/hardware-enablement/rockchip-3588/linux/-/commits/rk3588