From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-io1-f51.google.com (mail-io1-f51.google.com [209.85.166.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 817EB6FC5 for ; Thu, 19 Dec 2024 00:36:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.51 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734568611; cv=none; b=VsFsWonFKIn+E7uSwKADhZmxw2Cmdgeo6OcLWblHIT4YqczoLDemar58vgg2+vuv4MuppGVeORYhSlHCSeUu3zmSMxW/qHvIQ5qrX0p7IYvtst6IX5DJyhMUlG9qlW1TlZihh41nrbEXrPWPDAL7RkkmT6WEYKm+Ehvj7RnQVus= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734568611; c=relaxed/simple; bh=+SaeB0VCw+i7foCEgr6B5tYSBWITRsDz23gNP6NFVdQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=U6OQjjn9kBsLYfN1Hsh70JpQZb6WEEInK1RWwJIX6VSm8pa2O06vdXl9+e/E9/wkTETA5k24P+dQHL3yENt5MtIf6ULq+aKPHYxuG3HGuHMMcmevAPZIB8S1YeFWoW2bQ23lvzTC7iVpKkWIDmjXskJ7HQHHYY/kL0T1dt0XRxE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=sifive.com; spf=pass smtp.mailfrom=sifive.com; dkim=pass (2048-bit key) header.d=sifive.com header.i=@sifive.com header.b=ARQdvUuu; arc=none smtp.client-ip=209.85.166.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=sifive.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sifive.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sifive.com header.i=@sifive.com header.b="ARQdvUuu" Received: by mail-io1-f51.google.com with SMTP id ca18e2360f4ac-844cd85f5ebso20645339f.3 for ; Wed, 18 Dec 2024 16:36:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1734568607; x=1735173407; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:content-language:from :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=Cb8i+/RcecBf8L1BHUB812gTo+/Q1lLoDgdoPwfFPzM=; b=ARQdvUuuuNMZ1mnpffyLFKwFFV8P8HM7iBq4VgQcTS68dWVRRAe1NOa1yzAv+rNJCK uyF0GE1vQsn+3QCJfxh2gvhDZLz3QMUj99YUyfHuDtYs969LsNWWO/CSkhcJ6yIBRt5P 2jqXLD1uWXyzOkfT3O3X2/dGJD5fwEk8L5M1LqnQ1D3zXlQZnzjo+cPp3iSM/w3ms45b famEk76o+6h5VQF31G3mFkeiPZgQY0RKYIQbuhq2DGO0E+A836cjoqI2wXdqi5T0jYoa zAKKT5MtJn+aO/MgWvyKCotoIM7YDx9c8lw56A6Xv+prrxm92wUGYV7uA/A9kOaNlkNs 6c5w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1734568607; x=1735173407; h=content-transfer-encoding:in-reply-to:content-language:from :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=Cb8i+/RcecBf8L1BHUB812gTo+/Q1lLoDgdoPwfFPzM=; b=X3nsCR1wmgZH+eldwHezEZw9fp9RQZfgatsjfECzmcylS+5fH7v0oI+i3CR7Y5w41x /jX0VEqX8W1vo3NsOZHoeNLV/0seT0MqvYFl4O/dq8a+GdVfq7jFu9bneNZpExGuhBCC uOtzsJuJLE39hRJ31qiAUulE/meNM8SvysZDrAwoyzNbx2P02lc5LoYvmvA3iM99tfm4 hIyaip2ylCscgb+B55qfSWVXytJH51AUwAQwuikXr+vjGLI3Eb9vWzOUm8qa10OPvrHA 8bM88luyz6kmGh5PintjRFqwQYcIjMvOd7cl3R3ntW1wCK73wiJW/YcIByL+BDZgyccz jHCw== X-Gm-Message-State: AOJu0YwxstyUUFyf0fBpSGA1ECpJw05hcy3w8gmqDY15z09lJyafYqee DtTSjOcugdXUhH2//tRL8hHyBeDhWQTobzIbPMT0WSKBUv8T7zpZBvXNa6IUYpt3rAq0bhW7bnW v X-Gm-Gg: ASbGnctu0UzvmMnxKU48vDTVfOU+lRgTNwPpQZq2T31kh8eNbAQDLJ4/FF725YWW3WA g3sJ+qUQtePRZ39Fleag4WBPAqZjfwS40omGbDL/XMhPV9cmQ7qUUYhsLI00j9a5M11UlMIeYRt 4hcdntv7sLMYTt+JlR0yDpr4LDu6dAJjAV46BYkh92DCJo/3i+PnHphmRHEYksbjv5Pwk/50Qvm WL/f9zTzLWWMoMBp0tT8vZ0mNOraTvK+1NyL2sgowPSxUgOqEW444EQO+PaWQGPHYD3VPUD5Uo/ pHI5uQ== X-Google-Smtp-Source: AGHT+IGjJyKsYjWbWITE1klbpwS9jGoMikkrLPCOKb2Dw/oFK7RIUcGdG08meGSlH2+zD9XaD1HuDQ== X-Received: by 2002:a05:6e02:218e:b0:3a6:b783:3c06 with SMTP id e9e14a558f8ab-3bdc437ae8fmr49474725ab.19.1734568607604; Wed, 18 Dec 2024 16:36:47 -0800 (PST) Received: from [100.64.0.1] ([165.188.116.15]) by smtp.gmail.com with ESMTPSA id 8926c6da1cb9f-4e68c2220cdsm16169173.148.2024.12.18.16.36.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 18 Dec 2024 16:36:47 -0800 (PST) Message-ID: <76505ca3-b5a7-4cb1-90ce-0c7951c0b3b6@sifive.com> Date: Wed, 18 Dec 2024 18:36:44 -0600 Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 1/3] dt-bindings: riscv: add bfloat16 ISA extension description To: Jessica Clarke , Inochi Amaoto Cc: linux-doc@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Yixun Lan , Longbin Li , Conor Dooley , Chen Wang , Jonathan Corbet , Paul Walmsley , Palmer Dabbelt , Albert Ou , Rob Herring , Krzysztof Kozlowski , Conor Dooley , =?UTF-8?B?Q2zDqW1lbnQgTMOpZ2Vy?= , Evan Green , Charlie Jenkins , Andrew Jones , Jesse Taube , Andy Chiu , Alexandre Ghiti , Yong-Xuan Wang References: <20241206055829.1059293-1-inochiama@gmail.com> <20241206055829.1059293-2-inochiama@gmail.com> <5e878b5b-b49d-4757-8f7e-4b323a4998b3@sifive.com> From: Samuel Holland Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On 2024-12-16 4:51 PM, Jessica Clarke wrote: > On 16 Dec 2024, at 22:00, Samuel Holland wrote: >> >> On 2024-12-05 11:58 PM, Inochi Amaoto wrote: >>> Add description for the BFloat16 precision Floating-Point ISA extension, >>> (Zfbfmin, Zvfbfmin, Zvfbfwma). which was ratified in commit 4dc23d62 >>> ("Added Chapter title to BF16") of the riscv-isa-manual. >>> >>> Signed-off-by: Inochi Amaoto >>> Acked-by: Conor Dooley >>> --- >>> .../devicetree/bindings/riscv/extensions.yaml | 45 +++++++++++++++++++ >>> 1 file changed, 45 insertions(+) >>> >>> diff --git a/Documentation/devicetree/bindings/riscv/extensions.yaml b/Documentation/devicetree/bindings/riscv/extensions.yaml >>> index 9c7dd7e75e0c..0a1f1a76d129 100644 >>> --- a/Documentation/devicetree/bindings/riscv/extensions.yaml >>> +++ b/Documentation/devicetree/bindings/riscv/extensions.yaml >>> @@ -329,6 +329,12 @@ properties: >>> instructions, as ratified in commit 056b6ff ("Zfa is ratified") of >>> riscv-isa-manual. >>> >>> + - const: zfbfmin >>> + description: >>> + The standard Zfbfmin extension which provides minimal support for >>> + 16-bit half-precision brain floating-point instructions, as ratified >> >> I think you mean "binary" here and in the entries below, not "brain”. > > No, that’s Zfhmin / FP16 / binary16, not Zfbfmin / BF16 / BFloat16? The > B is for Brain as it came out of Google Brain. > > https://en.wikipedia.org/wiki/Bfloat16_floating-point_format Ah, yes, I was the confused one here. Sorry for the noise.