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authorJakub Kicinski <kuba@kernel.org>2024-03-22 02:14:13 +0300
committerJakub Kicinski <kuba@kernel.org>2024-03-22 02:15:08 +0300
commit537c2e91d3549e5d6020bb0576cf9b54a845255f (patch)
treec09e8a1b7d733cde19b0c72678c28fb2bc97ff6b /include/linux/amd-pstate.h
parent237bb5f7f7f55ec5f773469a974c61a49c298625 (diff)
parentcba9ffdb9913dfe6be29f049ce920ce451ce7cc4 (diff)
downloadlinux-537c2e91d3549e5d6020bb0576cf9b54a845255f.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR. Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux/amd-pstate.h')
-rw-r--r--include/linux/amd-pstate.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/amd-pstate.h b/include/linux/amd-pstate.h
index 6ad02ad9c7b4..d21838835abd 100644
--- a/include/linux/amd-pstate.h
+++ b/include/linux/amd-pstate.h
@@ -39,11 +39,16 @@ struct amd_aperf_mperf {
* @cppc_req_cached: cached performance request hints
* @highest_perf: the maximum performance an individual processor may reach,
* assuming ideal conditions
+ * For platforms that do not support the preferred core feature, the
+ * highest_pef may be configured with 166 or 255, to avoid max frequency
+ * calculated wrongly. we take the fixed value as the highest_perf.
* @nominal_perf: the maximum sustained performance level of the processor,
* assuming ideal operating conditions
* @lowest_nonlinear_perf: the lowest performance level at which nonlinear power
* savings are achieved
* @lowest_perf: the absolute lowest performance level of the processor
+ * @prefcore_ranking: the preferred core ranking, the higher value indicates a higher
+ * priority.
* @max_freq: the frequency that mapped to highest_perf
* @min_freq: the frequency that mapped to lowest_perf
* @nominal_freq: the frequency that mapped to nominal_perf
@@ -52,6 +57,9 @@ struct amd_aperf_mperf {
* @prev: Last Aperf/Mperf/tsc count value read from register
* @freq: current cpu frequency value
* @boost_supported: check whether the Processor or SBIOS supports boost mode
+ * @hw_prefcore: check whether HW supports preferred core featue.
+ * Only when hw_prefcore and early prefcore param are true,
+ * AMD P-State driver supports preferred core featue.
* @epp_policy: Last saved policy used to set energy-performance preference
* @epp_cached: Cached CPPC energy-performance preference value
* @policy: Cpufreq policy value
@@ -70,6 +78,7 @@ struct amd_cpudata {
u32 nominal_perf;
u32 lowest_nonlinear_perf;
u32 lowest_perf;
+ u32 prefcore_ranking;
u32 min_limit_perf;
u32 max_limit_perf;
u32 min_limit_freq;
@@ -85,6 +94,7 @@ struct amd_cpudata {
u64 freq;
bool boost_supported;
+ bool hw_prefcore;
/* EPP feature related attributes*/
s16 epp_policy;