diff options
Diffstat (limited to 'src/occ_405/amec/amec_freq.c')
| -rwxr-xr-x | src/occ_405/amec/amec_freq.c | 56 |
1 files changed, 51 insertions, 5 deletions
diff --git a/src/occ_405/amec/amec_freq.c b/src/occ_405/amec/amec_freq.c index d1e8aad..51b04dc 100755 --- a/src/occ_405/amec/amec_freq.c +++ b/src/occ_405/amec/amec_freq.c @@ -282,6 +282,10 @@ void amec_slv_proc_voting_box(void) uint16_t k = 0; uint16_t l_chip_fmax = g_amec->sys.fmax; uint16_t l_core_freq = 0; + uint16_t l_core_freq_max = 0; // max freq across all cores + uint16_t l_core_freq_min = g_amec->sys.fmax; // min freq across all cores + uint32_t l_current_reason = 0; // used for debug purposes + static uint32_t L_last_reason = 0; // used for debug purposes uint32_t l_chip_reason = 0; uint32_t l_core_reason = 0; amec_proc_voting_reason_t l_kvm_throt_reason = NO_THROTTLE; @@ -306,9 +310,6 @@ void amec_slv_proc_voting_box(void) // This function implements the voting box to decide which input gets the right // to actuate the system. - //Reset the maximum core frequency requested prior to recalculation. - g_amec->proc[0].core_max_freq = 0; - // PPB_FMAX if(g_amec->proc[0].pwr_votes.ppb_fmax < l_chip_fmax) { @@ -516,6 +517,12 @@ void amec_slv_proc_voting_box(void) //STORE core frequency and reason g_amec->proc[0].core[k].f_request = l_core_freq; g_amec->proc[0].core[k].f_reason = l_core_reason; + if(l_core_freq < l_core_freq_min) + { + // store the new lowest frequency and reason to be used after all cores checked + l_core_freq_min = l_core_freq; + l_current_reason = l_core_reason; + } // Update the Amester parameter telling us the reason. Needed for // parameter array. @@ -557,9 +564,9 @@ void amec_slv_proc_voting_box(void) } #endif - if(l_core_freq > g_amec->proc[0].core_max_freq) + if(l_core_freq > l_core_freq_max) { - g_amec->proc[0].core_max_freq = l_core_freq; + l_core_freq_max = l_core_freq; } } // if core present and not offline else @@ -570,6 +577,15 @@ void amec_slv_proc_voting_box(void) } }//End of for loop + // update max core frequency if not 0 i.e. all cores offline (stop 2 or greater) + // this is used by power capping alg, updating to 0 will cause power throttling when not needed + if(l_core_freq_max) + { + g_amec->proc[0].core_max_freq = l_core_freq_max; + // update the overall reason driving frequency across all cores + g_amec->proc[0].f_reason = l_current_reason; + } + //check if there was a throttle reason change if(l_kvm_throt_reason != G_amec_opal_proc_throt_reason) { @@ -582,6 +598,36 @@ void amec_slv_proc_voting_box(void) ssx_semaphore_post(&G_dcomThreadWakeupSem); } } + // For debug... if lower than max update vars returned in poll response to give clipping reason + g_amec->proc[0].core_min_freq = l_core_freq_min; + if(l_core_freq_min < g_amec->sys.fmax) + { + if(l_current_reason == L_last_reason) + { + // same reason INC counter + if(g_amec->proc[0].current_clip_count != 0xFF) + { + g_amec->proc[0].current_clip_count++; + } + } + else + { + // new reason update history and set counter to 1 + L_last_reason = l_current_reason; + g_amec->proc[0].current_clip_count = 1; + if( (g_amec->proc[0].chip_f_reason_history & l_current_reason) == 0) + { + g_amec->proc[0].chip_f_reason_history |= l_current_reason; + TRAC_IMP("First time throttling for reason[0x%08X] History[0x%08X] freq = %d", + l_current_reason, g_amec->proc[0].chip_f_reason_history, l_core_freq_min); + } + } + } + else // no active clipping + { + L_last_reason = 0; + g_amec->proc[0].current_clip_count = 0; + } } // Function Specification |
