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a=rsa-sha256; c=relaxed/relaxed; d=manjaro.org; s=2021; t=1715165799; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=q1YJPcw8u82/f0e/8H7dqvmrq0bVC+AsMym4hYetprs=; b=yClLumxEuEZSr2AK1nmpLpBHXI0d3utHMZ9Mqjy8ucEN5CqY58SmWbh9M8LjTSZDv3W5r+ DJI9/oyRTpecG7o5y2ZDDvdB0AUYGMoRL7g83lIMP031IlCrwNYy4rX/W1WeneCLF/qyMZ nNCoc8cl6xQ7Zhh/5iPFflSwGGPBYJIsKA6RlVT1CNOWTdgwi+bSVBQz9ntBHwVDnjDiSM 8EBrXUlTlXgqW97DXwpdiYCjNaIubyxywfkhRnl42Az6eH1ZHsOWvnDzwbND3Q2hwdtp0A NEB5qdJ7DxxatcLTRBBvJtakfaV20pszJEYREsIcIngkzdBA3zXLt96YV4go9g== Date: Wed, 08 May 2024 12:56:37 +0200 From: Dragan Simic To: Quentin Schulz Cc: Alexey Charkov , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Daniel Lezcano , Viresh Kumar , Chen-Yu Tsai , Diederik de Haas , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Kever Yang Subject: Re: [PATCH v4 6/6] arm64: dts: rockchip: Add OPP data for CPU cores on RK3588 In-Reply-To: References: <20240506-rk-dts-additions-v4-0-271023ddfd40@gmail.com> <20240506-rk-dts-additions-v4-6-271023ddfd40@gmail.com> Message-ID: <757286c60ea16cf5c68517b3d098047e@manjaro.org> X-Sender: dsimic@manjaro.org Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Authentication-Results: ORIGINATING; auth=pass smtp.auth=dsimic@manjaro.org smtp.mailfrom=dsimic@manjaro.org On 2024-05-08 12:50, Quentin Schulz wrote: > I'm surprised that we removed the lowest frequencies at the same > voltage, are they not even allowing us to save a teeny tiny bit of > power consumption? (I'm asking because I'm pretty sure we'll > eventually get customers complaining the CPU freq doesn't go in super > low frequency "so this must be a way to consume less power in idle!"). Same-voltage, different-frequency OPPs are seen as inefficient, although I don't share the same opinion. While the jury is still out, perhaps we can omit them, and possibly add them later.