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Add support from the driver to update P3T limits accordingly. Reviewed-by: Mario Limonciello Signed-off-by: Shyam Sundar S K --- drivers/platform/x86/amd/pmf/pmf.h | 3 +++ drivers/platform/x86/amd/pmf/tee-if.c | 8 ++++++++ 2 files changed, 11 insertions(+) diff --git a/drivers/platform/x86/amd/pmf/pmf.h b/drivers/platform/x86/amd/pmf/pmf.h index e64b4d285624..897f61b75e2f 100644 --- a/drivers/platform/x86/amd/pmf/pmf.h +++ b/drivers/platform/x86/amd/pmf/pmf.h @@ -46,6 +46,7 @@ #define GET_STT_MIN_LIMIT 0x1F #define GET_STT_LIMIT_APU 0x20 #define GET_STT_LIMIT_HS2 0x21 +#define SET_P3T 0x23 /* P3T: Peak Package Power Limit */ /* OS slider update notification */ #define DC_BEST_PERF 0 @@ -69,6 +70,7 @@ #define PMF_POLICY_STT_MIN 6 #define PMF_POLICY_STT_SKINTEMP_APU 7 #define PMF_POLICY_STT_SKINTEMP_HS2 8 +#define PMF_POLICY_P3T 38 /* TA macros */ #define PMF_TA_IF_VERSION__MAJOR 1 @@ -472,6 +474,7 @@ struct pmf_action_table { unsigned long stt_minlimit; /* in mW */ unsigned long stt_skintemp_apu; /* in C */ unsigned long stt_skintemp_hs2; /* in C */ + unsigned long p3t_limit; /* in mW */ }; /* Input conditions */ diff --git a/drivers/platform/x86/amd/pmf/tee-if.c b/drivers/platform/x86/amd/pmf/tee-if.c index eb25d5ce3a9a..883dd143375a 100644 --- a/drivers/platform/x86/amd/pmf/tee-if.c +++ b/drivers/platform/x86/amd/pmf/tee-if.c @@ -105,6 +105,14 @@ static void amd_pmf_apply_policies(struct amd_pmf_dev *dev, struct ta_pmf_enact_ dev->prev_data->stt_skintemp_hs2 = val; } break; + + case PMF_POLICY_P3T: + if (dev->prev_data->p3t_limit != val) { + amd_pmf_send_cmd(dev, SET_P3T, false, val, NULL); + dev_dbg(dev->dev, "update P3T : %d\n", val); + dev->prev_data->p3t_limit = val; + } + break; } } }