From: Atharva Tiwari <atharvatiwarilinuxdev@gmail.com>
To: rafael@kernel.org
Cc: atharvatiwarilinuxdev@gmail.com, lenb@kernel.org,
linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH RESEND] ACPI: processor: Use Apple-specific methods for P/C-states
Date: Thu, 29 Oct 2026 21:44:12 -0400 [thread overview]
Message-ID: <20261030014412.1652-1-atharvatiwarilinuxdev@gmail.com> (raw)
In-Reply-To: <CAJZ5v0jv9VQhZKbQcWYHEU0sQUPn5sLsRmqHzEtZ4T6GY0t3ZA@mail.gmail.com>
> You haven't provided a motivation for the change and I know nothing
> about Apple platforms, sorry.
APSS provides more P-states than _PSS on apple macs, for example on MacBookPro11,3
_PSS provides 17 P-states ranging from 800Mhz to 2301 Mhz, while
APSS provides 28 P-states ranging from 800Mhz to 3500 Mhz
Same with ACST, on Xserve3,1 _CST provides 2 C-states (C1, C6)
while ACST provides 3 C-states (C1, C2, C6).
This is also used in older macs only (before 2015).
And also macOS uses these.
prev parent reply other threads:[~2026-10-30 1:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-15 20:44 Atharva Tiwari
2026-10-29 15:10 ` Atharva Tiwari
2026-10-29 15:15 ` Rafael J. Wysocki (Intel)
2026-10-30 1:44 ` Atharva Tiwari [this message]
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