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Fri, 25 Jul 2025 07:37:34 -0400 (EDT) Message-ID: <27d98db1-3d04-4c17-89eb-27cba672d0b4@mm.st> Date: Fri, 25 Jul 2025 18:37:30 +0700 List-Id: Technical discussions relating to FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-hackers List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hackers@FreeBSD.org MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: AMD SMU driver (amdsmu) To: freebsd-hackers@freebsd.org References: Content-Language: en-US From: cyric@mm.st In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spamd-Result: default: False [-0.10 / 15.00]; NEURAL_SPAM_MEDIUM(1.00)[0.996]; NEURAL_SPAM_LONG(0.98)[0.983]; NEURAL_HAM_SHORT(-0.98)[-0.979]; DMARC_POLICY_ALLOW(-0.50)[mm.st,none]; R_SPF_ALLOW(-0.20)[+ip4:202.12.124.128/27]; R_DKIM_ALLOW(-0.20)[mm.st:s=fm2,messagingengine.com:s=fm2]; RCVD_IN_DNSWL_LOW(-0.10)[202.12.124.157:from]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_LAST(0.00)[]; ARC_NA(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; FREEMAIL_ENVFROM(0.00)[mm.st]; RCVD_COUNT_THREE(0.00)[3]; FREEMAIL_FROM(0.00)[mm.st]; MIME_TRACE(0.00)[0:+]; TO_MATCH_ENVRCPT_ALL(0.00)[]; DKIM_TRACE(0.00)[mm.st:+,messagingengine.com:+]; ASN(0.00)[asn:151847, ipnet:202.12.124.0/24, country:AU]; PREVIOUSLY_DELIVERED(0.00)[freebsd-hackers@freebsd.org]; TO_DN_NONE(0.00)[]; DWL_DNSWL_NONE(0.00)[messagingengine.com:dkim]; MLMMJ_DEST(0.00)[freebsd-hackers@freebsd.org]; RCVD_VIA_SMTP_AUTH(0.00)[]; MID_RHS_MATCH_FROM(0.00)[]; FROM_NO_DN(0.00)[]; FROM_EQ_ENVFROM(0.00)[] X-Rspamd-Queue-Id: 4bpQpT1GnJz45sR X-Spamd-Bar: / obiwac wrote: > Hi! > > I have added an amdsmu driver for the AMD SMU chip (which is necessary > for S0i3 entry as well as diagnostics), and I'm looking for people to > review and test these changes out. > > The three patches I'm interested in at the moment are: > > - https://reviews.freebsd.org/D48683 amdsmu: Initial work on a driver > for the AMD SMU > - https://reviews.freebsd.org/D48714 amdsmu: Get and expose sysctls > for metrics about last sleep > - https://reviews.freebsd.org/D51487 amdsmu: Read and dump idlemask > > There is one other amdsmu-related patch, but it depends on ACPI > changes for s2idle that haven't been committed yet, so it's less of a > priority: > > - https://reviews.freebsd.org/D48721 amdsmu: Sleep entry/exit hints for PMFW > > This is currently only expected to work on the following CPUs: > > #define CPUID_AMD_REMBRANDT 0x14B5 > #define CPUID_AMD_PHOENIX 0x14E8 > #define CPUID_AMD_STRIX_POINT 0x14A4 How does this map to e.g. dmesg cpu information? CPU: AMD Ryzen 9 9900X 12-Core Processor (4391.75-MHz K8-class CPU) Origin="AuthenticAMD" Id=0xb40f40 Family=0x1a Model=0x44 Stepping=0 > And of these, I have only had the opportunity to test on Phoenix > (specifically the 7040 series).