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

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Message-ID: <fbb5016e-678c-4e54-a6a8-0ccaa2bdf45c@timsurber.de>
Date: Tue, 7 Jan 2025 01:08:08 +0100
From: Tim Surber <me@...surber.de>
To: Dmitry Osipenko <dmitry.osipenko@...labora.com>,
 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 Dmitry,

that was my fault, my build script did not copy over the new ATF properly.

Now it works, I will update with test results with many different 
resolutions/formats here soon.

Best regards,
Tim


On 1/6/25 12:22, Dmitry Osipenko wrote:
> 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.
>