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 7126613B2B8 for ; Thu, 11 Apr 2024 05:29:05 +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=1712813345; cv=none; b=XahMGgB96H4qHnybiqNar0yFfM25Rv+NYhkvFnjaSRskCbv5ddYayINhdLWruicj7d67KzyIhPC7G1Nc3sKVilp2zBb/fpmzuSqBu4dAYK+rscAet4pt6VmoDWTUIAsNRTp8Piomc5+D2mpxpOouMIUAKC9phww8T020oeKB2q0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712813345; c=relaxed/simple; bh=EBg9+BnQqqzGN6w2fO0K6Cam1N54HR51JbJ2OSa30SI=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=XsD0aDhZiPRsFF2OUwy9Wx2L8J6rLMZ+9fBCSqYU5HGAwgTN7A2HWtdUp8ImlPnTvsBAKPE/d4pf4MtawJovo3StYZcljvSjltdHNGMiWuwH9bW8HZJGgmpwrV6TUa2O4UlYFh8aMvhKgKI2OS0ayc7RLKvYSHJX2mRKSx61DYk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nP2Hhdu0; 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="nP2Hhdu0" Received: by smtp.kernel.org (Postfix) with ESMTPS id E6775C43390 for ; Thu, 11 Apr 2024 05:29:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1712813344; bh=EBg9+BnQqqzGN6w2fO0K6Cam1N54HR51JbJ2OSa30SI=; h=From:To:Subject:Date:In-Reply-To:References:From; b=nP2Hhdu0t/pFE3ugT4SIw3Kv1dRrr4csf1LbNECkhLa83SKY6MNU8R3IDxopvXSxn QVz5EyxNOtemQpmYLPn1+qPXmB2Ck1fcK+fVG4hVq2ll7L9OqQbMqevIXKXkPugmSv T8b11PRRiURO3TPT5TMJHVqvoysLp++eh9Olm4d12+LXTCO+kamlWqk86yUKOARXiV a1+jxBQs0OCCqQN9iRrF3KqGLyB1zlNPYCJwwMAG7vFkGPzmAQBGciSkER5EMcHiRy x47UHOwq8UEVek67vDPVcu4DArjUItQf4h7VMOxg9Y4wWtpH9hDTPhvfMkxV69hMRj /E3tODH1hUM6Q== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id D8AEAC53BD9; Thu, 11 Apr 2024 05:29:04 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-pm@vger.kernel.org Subject: [Bug 218686] Fail to set energy_performance_preference of amd processor on asus ga403uv Date: Thu, 11 Apr 2024 05:29:04 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Power Management X-Bugzilla-Component: cpufreq X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: xiaojian.du@amd.com X-Bugzilla-Status: RESOLVED X-Bugzilla-Resolution: DOCUMENTED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: linux-pm@vger.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D218686 xiaojian.du@amd.com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |xiaojian.du@amd.com --- Comment #28 from xiaojian.du@amd.com --- confirmed from another Phoenix 7840HS platform: CPPC flag is exposed by BIOS. So, on your 8945H CPU platform, it is very possible that ASUS doesn't enable the CPPC in the BIOS. I see this BIOS is built at 02/15/2024 "DMI: ASUSTeK COMPUTER INC. ROG Zephyrus G14 GA403UV_GA403UV/GA403UV, BIOS GA403UV.303 02/15/2024" ~$ cat /proc/cpuinfo | grep cppc flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca = cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good amd_lbr_v2 nopl nonstop_tsc cpuid extd_apic= id aperfmperf rapl pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 x2apic m= ovbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy = abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate ssbd mba perfmon_v2 ibrs ibpb stibp ibrs_enhanced vmmcall fsgsbase bmi1 avx2 smep bm= i2 erms invpcid cqm rdt_a avx512f avx512dq rdseed adx smap avx512ifma clflusho= pt clwb avx512cd sha_ni avx512bw avx512vl xsaveopt xsavec xgetbv1 xsaves cqm_l= lc cqm_occup_llc cqm_mbm_total cqm_mbm_local avx512_bf16 clzero irperf xsaveer= ptr rdpru wbnoinvd **cppc** arat npt lbrv svm_lock nrip_save tsc_scale vmcb_cle= an flushbyasid decodeassists pausefilter pfthreshold v_vmsave_vmload vgif x2av= ic v_spec_ctrl vnmi avx512vbmi umip pku ospke avx512_vbmi2 gfni vaes vpclmulqdq avx512_vnni avx512_bitalg avx512_vpopcntdq rdpid overflow_recov succor smca fsrm flush_l1d BTW, suppose you're using a test kernel 6.9-rc built by yourslef,, need to check kernel building config file to enable msr support: make menucofnig -> Processor type and features -> /dev/cpu/*/msr - Model-specific register support, change to <*> --=20 You may reply to this email to add a comment. 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