linux-kernel - Re: [RESEND PATCH v5 0/4] Add Synopsys DesignWare HDMI RX Controller

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Message-ID: <925d7571-48e4-437d-b55c-3f7bbad8af1d@collabora.com>
Date: Mon, 6 Jan 2025 14:22:09 +0300
From: Dmitry Osipenko <dmitry.osipenko@...labora.com>
To: Tim Surber <me@...surber.de>, Shreeya Patel
 <shreeya.patel@...labora.com>, heiko@...ech.de, mchehab@...nel.org,
 robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
 mturquette@...libre.com, sboyd@...nel.org, p.zabel@...gutronix.de,
 jose.abreu@...opsys.com, nelson.costa@...opsys.com,
 shawn.wen@...k-chips.com, nicolas.dufresne@...labora.com,
 hverkuil@...all.nl, hverkuil-cisco@...all.nl
Cc: kernel@...labora.com, linux-kernel@...r.kernel.org,
 linux-media@...r.kernel.org, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org
Subject: Re: [RESEND PATCH v5 0/4] Add Synopsys DesignWare HDMI RX Controller

Hi,

On 1/6/25 03:16, Tim Surber wrote:
> I applied your patch to rockchip/next on an FriendlyElec CM3588 device with arm- 
> trusted-firmware 2.12. This is the same hardware/cable/sources I used previously
> Sadly I could not get it to work at all.
> 
> After connection to a HDMI source I get the following error with all devices and 
> resolutions I tested
> # dmesg
> snps_hdmirx fdee0000.hdmi_receiver: hdmirx_controller_init wait timer base lock 
> failed
> snps_hdmirx fdee0000.hdmi_receiver: hdmirx_phy_register_write wait cr write done 
> failed (repeating multiple times)

Sounds like interrupt may be not working for you. Interrupt won't work
using downstream version of AT-F, though I assume you're using vanilla
version of the AT-F. Could you please show output of `cat
/proc/interrupts | grep rk_hdmirx` after plugging the HDMI cable.

-- 
Best regards,
Dmitry