Messages in this thread | | | From | "Meng, Li (Jassmine)" <> | Subject | RE: [PATCH V14 0/7] amd-pstate preferred core | Date | Mon, 19 Feb 2024 01:02:58 +0000 |
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[AMD Official Use Only - General]
Hi : Thanks. I will check this issue and fix it as soon as possible.
> -----Original Message----- > From: Lucas Lee Jing Yi <lucasleeeeeeeee@gmail.com> > Sent: Monday, February 19, 2024 12:11 AM > To: rafael@kernel.org > Cc: Yuan, Perry <Perry.Yuan@amd.com>; Du, Xiaojian > <Xiaojian.Du@amd.com>; Deucher, Alexander > <Alexander.Deucher@amd.com>; bp@alien8.de; Sharma, Deepak > <Deepak.Sharma@amd.com>; Meng, Li (Jassmine) <Li.Meng@amd.com>; > linux-acpi@vger.kernel.org; linux-kernel@vger.kernel.org; linux- > kselftest@vger.kernel.org; linux-pm@vger.kernel.org; Limonciello, Mario > <Mario.Limonciello@amd.com>; Fontenot, Nathan > <Nathan.Fontenot@amd.com>; oleksandr@natalenko.name; > rafael.j.wysocki@intel.com; Huang, Ray <Ray.Huang@amd.com>; Huang, > Shimmer <Shimmer.Huang@amd.com>; skhan@linuxfoundation.org; > viresh.kumar@linaro.org; x86@kernel.org > Subject: Re: [PATCH V14 0/7] amd-pstate preferred core > > Caution: This message originated from an External Source. Use proper > caution when opening attachments, clicking links, or responding. > > > Dear all, > I have found an issue with the patchset when applying on 6.7, leading to a > large degradation in performance. > > On my 7840HS on *STOCK* 6.7 highest_perf is reported as 196, not 166 as > assumed in the patchset. Applying the patchset causes highest_perf to be > misreported and hence a misreported maximum frequency as well, at > 4.35GHz instead of 5.14GHz, leading to the degradation in performance. > However, On my 5950X, highest_perf is indeed reported as 166 before and > after applying the patchset. > > Hence, I propose the following patch (should be attached). > > I do apologize for any mistakes as I am new to this and this is my first email on > the mailing list. > > Cheers! > Lucas
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