[REGRESSION] HDMI monitor not working on Radxa Rock 5B after phy rockchip samsung hdptx HDMI 2.1 FRL patchset

[Cristian Ciocaltea]

On 2/18/26 2:52 AM, Cristian Ciocaltea wrote:
> Hi Thomas,
[...]

> 
> Sorry, I somehow missed the following warning message, though it has been
> already present in all the logs you've sent to me so far:
> 
>   rockchip-hdptx-phy fed60000.phy: PLL locked by unknown consumer!
> 
> That indicates the PHY has been preconfigured by an external component (e.g. the
> bootloader), which is actually a scenario that I didn't verify.
> 
> However, this just another way to expose a limitation of the current approach
> for managing the TMDS character rate: done via the Common Clock Framework API
> instead of the HDMI PHY configuration API.
> 
> As a matter of fact, it was actually an item on my TODOs list for quite a while,
> but blocked until recently due to several dependencies waiting to be merged
> upstream.
> 
> Hence I took the opportunity to finalize this task - please give the following
> commits in my rk3588-hdmi-debug branch [2] a try:

I've just realized I introduced a regression while doing some cleanup work, hence
please ignore this until further notice.

Cristian