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authorRodrigo Vivi <rodrigo.vivi@intel.com>2024-04-02 08:17:13 -0400
committerRodrigo Vivi <rodrigo.vivi@intel.com>2024-04-02 08:17:13 -0400
commit5add703f6acad1c63f8a532b6de56e50d548e904 (patch)
treebe39a82716119cd8b7cf7e2734baf8cd9a80ceb7 /include/linux/amd-pstate.h
parent71cdfa8cad300caa7afcbba09776bbc8dcfa9e39 (diff)
parent39cd87c4eb2b893354f3b850f916353f2658ae6f (diff)
Merge drm/drm-next into drm-intel-next
Catching up on 6.9-rc2 Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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;