Enable PMU during photo capture
This CL enables PMU feature during photo capture. With the new settings, we can achieve up to 120ms saving in capture latency, while paying a penalty of 60mW. However, even with the added power, we are still below the F10 numbers (go/f10-camera-power-gtw). Refer to ag/27238472 Bug: 340130143 Test: GCA photo capture Change-Id: Ic1f4d5752a943a6898d92b0e44c78a85325be0a9
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1 changed files with 34 additions and 18 deletions
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@ -593,10 +593,11 @@
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"Name": "PMU_LIT_LIMIT_FREQ",
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"Path": "/sys/devices/system/cpu/cpufreq/policy0/sched_pixel/limit_frequency",
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"Values": [
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"1425000",
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"1328000",
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"1098000"
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],
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"DefaultIndex": 0,
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"DefaultIndex": 1,
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"ResetOnInit": true
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},
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{
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@ -605,6 +606,7 @@
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"Values": [
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"76",
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"70",
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"40",
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"55",
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"42",
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"35",
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@ -619,6 +621,7 @@
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"Path": "/sys/devices/system/cpu/cpufreq/policy4/sched_pixel/limit_frequency",
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"Values": [
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"1795000",
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"1549000",
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"1328000"
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],
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"DefaultIndex": 0,
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@ -631,6 +634,7 @@
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"59",
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"50",
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"32",
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"15",
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"30",
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"20",
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"18"
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@ -653,8 +657,8 @@
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"Values": [
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"62",
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"50",
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"22",
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"20"
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"20",
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"22"
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],
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"DefaultIndex": 0
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},
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@ -1429,27 +1433,39 @@
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},
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{
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"PowerHint": "CAMERA_CAPTURE_CPU_THROTTLE",
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"Node": "CPUBigClusterMaxFreq",
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"Duration": 3000,
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"Value": "1885000"
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},
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{
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"PowerHint": "CAMERA_CAPTURE_CPU_THROTTLE",
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"Node": "CPUMidClusterMaxFreq",
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"Duration": 3000,
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"Value": "1549000"
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},
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{
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"PowerHint": "CAMERA_CAPTURE_CPU_THROTTLE",
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"Node": "CPULittleClusterMaxFreq",
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"Node": "PMU_LIT_LIMIT_FREQ",
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"Duration": 3000,
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"Value": "1425000"
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},
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{
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"PowerHint": "CAMERA_CAPTURE_CPU_THROTTLE",
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"Node": "PMU_POLL",
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"Node": "PMU_MID_LIMIT_FREQ",
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"Duration": 3000,
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"Value": "0"
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"Value": "1549000"
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},
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{
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"PowerHint": "CAMERA_CAPTURE_CPU_THROTTLE",
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"Node": "PMU_BIG_LIMIT_FREQ",
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"Duration": 3000,
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"Value": "1885000"
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},
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{
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"PowerHint": "CAMERA_CAPTURE_CPU_THROTTLE",
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"Node": "PMU_LIT_SPC_THRESHOLD",
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"Duration": 3000,
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"Value": "40"
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},
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{
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"PowerHint": "CAMERA_CAPTURE_CPU_THROTTLE",
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"Node": "PMU_MID_SPC_THRESHOLD",
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"Duration": 3000,
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"Value": "15"
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},
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{
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"PowerHint": "CAMERA_CAPTURE_CPU_THROTTLE",
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"Node": "PMU_BIG_SPC_THRESHOLD",
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"Duration": 3000,
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"Value": "20"
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},
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{
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"PowerHint": "CAMERA_CAPTURE_CPU_THROTTLE",
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