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 A239A331A4C; Sun, 10 May 2026 10:03:08 +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=1778407388; cv=none; b=awS07/dqxPSf9bi51H5J70Q/zjvqhKZ3cIIZa2inFNYWNfik3MU2WPq0NPfZB+LGSv+OtXsacxyfxjga4WRxRVKVZ9EWqQCy1f4A2eUBvn6i241EhuRt+aYduD5mVmg9/8ManLbrmB+kJT9jDbC5PgS8Mb9GRanM64cXJZIafS4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778407388; c=relaxed/simple; bh=1qjetCb9nyHAgz1azduiTldADs81qEPMKLQKl2HxP30=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=k/q1LzT2F/IHJUdbF5x7tyYIBbrF8+VpEs9wLUKdGo8tfaEp241UjHM2N8SITZjr/Ie6tDI1cJRQUns6TuEqV8cd9hDdN4Otnz6zJwcwZIVPdP3EuVmw5wMNvy0y8zT1Dw20XiKrzFGWTdnt3TF7a73G7IKpn5xXQCtZ/Rndw/I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bV7UWHua; 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="bV7UWHua" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A0388C2BCB8; Sun, 10 May 2026 10:03:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1778407388; bh=1qjetCb9nyHAgz1azduiTldADs81qEPMKLQKl2HxP30=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=bV7UWHua9q2V2fx8hfjPjOVffkLRgVrld4zA5VefBIgOJnljU76GUxuWHJEMwEjlL 5518IlvhaxoXcdWGrRSWv9ifzrH5HDlXgHrnf8J+jWaw8K9cCyYLgv2OtW6MawDtak c+sbswevhJUWcwwBDtSevvOqs159IAkZF+OBd90bD1L+DJCbCbGjjIGoyzmljVstQd QDcsPKl91p35n82fyagZpuA7u1hjKftlcthFvX+NX2xoafH1e7Kyw4qMFRpekc9/T4 TOlocFx44ozzzMV38WHr42lsWbq8NmouEoXDxI9VlWsn+jcdLUPYS5XpQFbsq4eOPV I8bgS22+1VeSQ== Message-ID: <6cbb9b37-9560-482a-9fa6-15d5370d258f@kernel.org> Date: Sun, 10 May 2026 11:03:02 +0100 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 5/8] clk: qcom: gcc-msm8939: mark Venus core GDSCs as hardware controlled To: Erikas Bitovtas , Vikash Garodia , Dikshita Agarwal , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , =?UTF-8?Q?Andr=C3=A9_Apitzsch?= , Bjorn Andersson , Konrad Dybcio , Michael Turquette , Stephen Boyd , Brian Masney Cc: linux-media@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org References: <20260507-msm8939-venus-rfc-v5-0-d7b5ea2ce591@gmail.com> <4f1ab5b8-3bfe-43a6-8b91-317456188544@gmail.com> <7df3bff7-b872-4b20-8e7c-698157a41f33@kernel.org> <18998766-62fe-4a5e-95d8-1bfae712d8fb@gmail.com> <614a087d-d219-49cb-85ee-772044558649@kernel.org> <0cee27b6-f566-4958-8634-2c43e099281e@gmail.com> <-hM6afm_Cu_8Cha9U-hrlrg6CGDEb5D3PFpPPCfIh-QgkdFJp_r0Ah9k1dvAF4zkju2dPc3FZJxvOA4V4hupAA==@protonmail.internalid> <69f9a6b7-7431-442a-82a2-6305635a508a@gmail.com> <9bf43e04-f834-45b6-8942-bcae2e480371@kernel.org> <1ee77cbb-9894-4b16-ae2b-8e9035fd6cd5@gmail.com> From: Bryan O'Donoghue Content-Language: en-US Autocrypt: addr=bod@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 09/05/2026 15:43, Erikas Bitovtas wrote: >> OTOH if Core1 can't be coaxed into working in either mode, we are better >> off either holding off on this series until the breakages is root caused >> or leaving out Core1 entirely for now. >> >> i.e. there is no utility in declaring an encoder or decoder to userspace >> that is known to be broken. >> Last time I tried to enable only 1 of the cores, the following would happen: > - If core0 is enabled, HEVC decoding would work, but not the other codecs. > - If core1 is enabled, the rest of codecs would work, but not HEVC. Can you be a little clearer here do you mean - doesn't work on that core or doesn't work on all cores ? > Given we don't really have a way to power up a core based on which codec > we are dealing with, I suggest we leave both cores in the binding and > enable them indiscriminately. OK the 8916 to 8939 migration guide says HEVC decoder - encoder is not mentioned. You can have a bitmask flag of whitelist or blacklist per core then - select which codecs are supported on which cores and then declare those to user-space. --- bod