linux-kernel - Re: [PATCH v5 3/3] media: dt-bindings: qcom-venus: Deprecate video-decoder and video-encoder where applicable

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Message-ID: <0a265953-0c6a-4b8b-a972-a59ec4755474@linaro.org>
Date: Wed, 18 Dec 2024 13:38:30 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Renjiang Han <quic_renjiang@...cinc.com>,
 Bryan O'Donoghue <bryan.odonoghue@...aro.org>,
 Stanimir Varbanov <stanimir.k.varbanov@...il.com>,
 Vikash Garodia <quic_vgarodia@...cinc.com>,
 Mauro Carvalho Chehab <mchehab@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>
Cc: quic_vnagar@...cinc.com, quic_dikshita@...cinc.com,
 konradybcio@...nel.org, linux-media@...r.kernel.org,
 linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
 devicetree@...r.kernel.org, Stanimir Varbanov <stanimir.varbanov@...aro.org>
Subject: Re: [PATCH v5 3/3] media: dt-bindings: qcom-venus: Deprecate
 video-decoder and video-encoder where applicable

On 18/12/2024 11:46, Renjiang Han wrote:
> 
> On 12/9/2024 7:52 PM, Bryan O'Donoghue wrote:
>> For the list of yaml files here the video-decoder and video-encoder nodes
>> provide nothing more than configuration input for the driver. These entries
>> do not in fact impart hardware specific data and should be deprecated.
>>
>> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>
>> ---


Please kindly trim the replies from unnecessary context. It makes it
much easier to find new content.

>> @@ -132,12 +132,4 @@ examples:
>>           resets = <&gcc GCC_VIDEO_AXI0_CLK_ARES>,
>>                    <&videocc VIDEO_CC_MVS0C_CLK_ARES>;
>>           reset-names = "bus", "core";
>> -
>> -        video-decoder {
>> -            compatible = "venus-decoder";
>> -        };
>> -
>> -        video-encoder {
>> -            compatible = "venus-encoder";
>> -        };
>>       };
> It is working fine on QCS615.
> Tested-by: Renjiang Han <quic_renjiang@...cinc.com>


How? How is it possible to test a binding on real hardware? To my
knowledge it is impossible, so I really would like to see explanation of
this tag.

I recently voiced my concerns that I really dislike tested-by tags on
bindings, because they are fake or not accurate. Story continues...



Best regards,
Krzysztof