From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6A5DC27587D; Thu, 9 Oct 2025 10:45:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760006739; cv=none; b=Bk1PHkD3mMYdbhsbO6KgVf9zmdzlfHQ5o7ksL59OVosXY/1t/4ELmWq6xR1t9OPRtYASgT4C6lxJsFmOSFbeyhAL07J+69SxlksXbLQyun9Lj4T21XaoQl6D4QVDjhO+55SJYWj5mMCr+GaWHDeF2gDqG6qeLKOK3tGAaYYtwQw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760006739; c=relaxed/simple; bh=9id8tIe9NIzz9DBiDJqfu/qHT/QjpNPhNBm5D/is+RE=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=AS9lTM3NOPIo8c4PsJbXNMpMKh8kZqD/PRvC+5DJFZJJ7PbkvvMuwk1kRNmFIxsarkYvL7cxryE+qcXG9DG8U4/WuZQ2uCycd8C1VTUj5VQFj8gRroCfRCFu6g7x4Uxuthq81Quwkfj6hLTRnSwkHBjZXmdyAtqQ4IZfzFFjrxE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jOiaczP3; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jOiaczP3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id B33BEC4CEF5; Thu, 9 Oct 2025 10:45:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1760006738; bh=9id8tIe9NIzz9DBiDJqfu/qHT/QjpNPhNBm5D/is+RE=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=jOiaczP3pa99lF0dQOZr7Ny8ZJkO7HOAtoSa09D/YXDHFRdx5xuOzhn3jcdxYa4nc GxYSDA52qXccpp5U27xe1Uz0u4TZubI1ImhPEMfjNfm5D6tBVxgSlWy4PGS/8aKMxV JOWxK6D+VprY7gcaPjtGdQ39fP1yefK3IZeJZ631VEh8GjOqNjDKzUtIIbc56JgLUS t8khzpslvLvbyiT+fd7wfYIcPhJCtDIvW2lPetiI45we6LjN7BzxgU3Mv9GpEWFVYW snL5A11rASW64u52zor1Up6cDvQFl29z9+YgO6a0gMm9GWIG/1hwD6OC0C8YqY4gis Vtr0CuJZj9AMg== Message-ID: Date: Thu, 9 Oct 2025 19:45:28 +0900 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 0/5] Introduce "non-pixel" sub node within iris video node To: Vikash Garodia , Bryan O'Donoghue , Bryan O'Donoghue , Charan Teja Kalla , Bryan O'Donoghue , Dmitry Baryshkov Cc: Konrad Dybcio , Dikshita Agarwal , Abhinav Kumar , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <7b6db4fa-2f73-376d-4eb3-64c1c7e6cda3@quicinc.com> <4cb4a92d-2f20-47c7-881e-aadcc6f83aa0@kernel.org> <1516f21e-aee3-42cf-b75e-61142dc9578d@oss.qualcomm.com> <9bae595a-597e-46e6-8eb2-44424fe21db6@linaro.org> <98e6acf8-80d7-4894-b4ce-ce74660722ef@kernel.org> <5085c857-f6e8-4faf-b61a-a9ee562ccf06@kernel.org> <7ba3953a-166f-4c67-8f54-666b0c488b12@kernel.org> <4fac8b52-180d-7b79-f0d9-52c0f94186da@quicinc.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 09/10/2025 19:40, Vikash Garodia wrote: > > On 10/9/2025 2:41 PM, Krzysztof Kozlowski wrote: >> On 09/10/2025 17:38, Bryan O'Donoghue wrote: >>> On 09/10/2025 02:04, Krzysztof Kozlowski wrote: >>>>> The iommu description for this platform basically lacks the data that >>>>> _should_ be there -> FUNCTION_ID. >>>> No. The index tells that already. >>> >>> Hmm. >>>>> The rule is that the DT should really describe the hardware right ? >>>> It already does. Same as I wrote on IRC, DT already has all the >>>> information. Entry 0 has function ID-foo. Entry 1 has function ID-bar. >>>> Entry 2 has function ID-bar or whatever. >>> >>> That's the part I don't believe is true its a 1:Many relationship >>> between FUNCTION_ID:SIDs >>> >>> Let me check the docs... >>> >>> Here's the example I gave on IRC for lore >>> >>> SID 0x1940 maps to AC_VM_HLOS (Linux) >>> SID 0x1941 maps to AC_VM_CP_BITSTREAM - protected bitstream >>> SID 0x1945 maps to AC_WM_CP_BITSTREAM >>> >> >> I responded to this on IRC... Nothing proves here that 1:many cannot be >> done. > > Kaanapali already has 1:Many relationship for FUNCTION_ID:SIDs. Sun is a star. How is that related? I am not going to duplicate arguments from IRC, especially to that pointless argument. Read again discussion on IRC. Best regards, Krzysztof