hocclk: actually implement cpu dvfs

Source/hoc-clk/common/include/hocclk/board.h

@@ -143,6 +143,14 @@ enum {
     DVFSMode_EnumMax,
 };
 
+enum {
+    CPUDVFSMode_Disabled = 0,
+    CPUDVFSMode_Modify, // LUT Modify dvfs
+    // DVFSMode_OfficialService,
+    // DVFSMode_Hack,
+    CPUDVFSMode_EnumMax,
+};
+
 typedef enum {
     GpuSchedulingMode_DoNotOverride = 0,
     GpuSchedulingMode_Enabled,

Source/hoc-clk/common/include/hocclk/config.h

@@ -52,8 +52,12 @@ typedef enum {
     HocClkConfigValue_OverwriteRefreshRate,
     HocClkConfigValue_MaxDisplayClockH,
 
-    HocClkConfigValue_DVFSMode,
+    HocClkConfigValue_GPUDVFSMode,
-    HocClkConfigValue_DVFSOffset,
+    HocClkConfigValue_GPUDVFSOffset,
+
+    HocClkConfigValue_CPUDVFSMode,
+    HocClkConfigValue_CPUDVFSOffset,
+
     HocClkConfigValue_LiveCpuUv,
     HocClkConfigValue_EnableExperimentalSettings,
 
@@ -288,11 +292,17 @@ static inline const char* hocclkFormatConfigValue(HocClkConfigValue val, bool pr
         case HocClkConfigValue_MaxDisplayClockH:
             return pretty ? "Max Display Clock (Handheld)" : "drr_max_clock";
 
-        case HocClkConfigValue_DVFSMode:
+        case HocClkConfigValue_GPUDVFSMode:
-            return pretty ? "DVFS Mode" : "dvfs_mode";
+            return pretty ? "GPU DVFS Mode" : "dvfs_mode";
 
-        case HocClkConfigValue_DVFSOffset:
+        case HocClkConfigValue_GPUDVFSOffset:
-            return pretty ? "DVFS Offset" : "dvfs_offset";
+            return pretty ? "GPU DVFS Offset" : "dvfs_offset";
+
+        case HocClkConfigValue_CPUDVFSMode:
+            return pretty ? "CPU DVFS Mode" : "cpu_dvfs_mode";
+
+        case HocClkConfigValue_CPUDVFSOffset:
+            return pretty ? "CPU DVFS Offset" : "cpu_dvfs_offset";
 
         case HocClkConfigValue_GPUScheduling:
             return pretty ? "GPU Scheduling" : "gpu_scheduling";
@@ -604,7 +614,8 @@ static inline uint64_t hocclkDefaultConfigValue(HocClkConfigValue val)
 
         case HocClkConfigValue_ThermalThrottle:
         case HocClkConfigValue_IsFirstLoad:
-        case HocClkConfigValue_DVFSMode:
+        case HocClkConfigValue_GPUDVFSMode:
+        case HocClkConfigValue_CPUDVFSMode:
             return 1ULL;
         case HocClkConfigValue_AutoRAMCPUOverclock:
             return 0ULL;
@@ -800,8 +811,10 @@ static inline uint64_t hocclkValidConfigValue(HocClkConfigValue val, uint64_t in
         case KipConfigValue_t6_tRTW_fine_tune:
         case KipConfigValue_t7_tWTR_fine_tune:
         case KipCrc32:
-        case HocClkConfigValue_DVFSMode:
+        case HocClkConfigValue_GPUDVFSMode:
-        case HocClkConfigValue_DVFSOffset:
+        case HocClkConfigValue_GPUDVFSOffset:
+        case HocClkConfigValue_CPUDVFSMode:
+        case HocClkConfigValue_CPUDVFSOffset:
         case HocClkConfigValue_GPUScheduling:
         case HocClkConfigValue_RAMVoltDisplayMode:
         case HocClkConfigValue_CpuGovernorMinimumFreq:

Source/hoc-clk/overlay/src/ui/gui/config_info_strings.cpp

@@ -506,7 +506,7 @@ std::vector<std::string> ConfigInfoStrings(HocClkConfigValue val, bool isMariko,
                 "Default: 800 mV"
             };
 
-        case HocClkConfigValue_DVFSMode:
+        case HocClkConfigValue_GPUDVFSMode:
             return {
                 "The mode used for GPU DVFS",
                 "Adjusts GPU vmin when RAM clock is changed due to a higher requirement",
@@ -516,12 +516,28 @@ std::vector<std::string> ConfigInfoStrings(HocClkConfigValue val, bool isMariko,
                 "Default: PCV Hijack"
             };
 
-        case HocClkConfigValue_DVFSOffset:
+        case HocClkConfigValue_GPUDVFSOffset:
             return {
                 "The offset added/subtracted to the GPU vmin when the RAM clock is changed due to a higher requirement in PCV Hijack mode",
                 "Default: 0 mV (Disabled)"
             };
 
+        case HocClkConfigValue_CPUDVFSMode:
+            return {
+                "The mode used for CPU DVFS",
+                "Adjusts CPU vmin when RAM clock is changed due to a higher requirement",
+                "Options:",
+                "- Disabled: disabled...",
+                "- LUT Modify: Modify CLDVFS Lut",
+                "Default: LUT Modify"
+            };
+
+        case HocClkConfigValue_CPUDVFSOffset:
+            return {
+                "The offset added/subtracted to the CPU vmin when the RAM clock is changed due to a higher requirement in LUT Modify mode",
+                "Default: 0 mV (Disabled)"
+            };
+            
         case KipConfigValue_eristaGpuUV:
             return {
                 "GPU undervolt level",

Source/hoc-clk/overlay/src/ui/gui/misc_gui.cpp

@@ -2477,6 +2477,27 @@ class CpuSubmenuGui : public MiscGui {
                             this->configList->values[KipConfigValue_marikoCpuUVHigh] ? &mCpuClockThresholdsUV : &mCpuClockThresholds, {}, maxClkOptions,
                             false, true);
 
+            std::vector<NamedValue> dvfsOffset = {
+                NamedValue("-80 mV", 0xFFFFFFB0), NamedValue("-75 mV", 0xFFFFFFB5), NamedValue("-70 mV", 0xFFFFFFBA), NamedValue("-65 mV", 0xFFFFFFBF),
+                NamedValue("-60 mV", 0xFFFFFFC4), NamedValue("-55 mV", 0xFFFFFFC9), NamedValue("-50 mV", 0xFFFFFFCE), NamedValue("-45 mV", 0xFFFFFFD3),
+                NamedValue("-40 mV", 0xFFFFFFD8), NamedValue("-35 mV", 0xFFFFFFDD), NamedValue("-30 mV", 0xFFFFFFE2), NamedValue("-25 mV", 0xFFFFFFE7),
+                NamedValue("-20 mV", 0xFFFFFFEC), NamedValue("-15 mV", 0xFFFFFFF1), NamedValue("-10 mV", 0xFFFFFFF6), NamedValue(" -5 mV", 0xFFFFFFFB),
+                NamedValue("Disabled", 0),        NamedValue(" +5 mV", 5),          NamedValue("+10 mV", 10),         NamedValue("+15 mV", 15),
+                NamedValue("+20 mV", 20),
+            };
+
+            std::vector<NamedValue> dvfsValues = {
+                NamedValue("Disabled", CPUDVFSMode_Disabled),
+                NamedValue("LUT Modify", CPUDVFSMode_Modify),
+                // NamedValue("Official Service", DVFSMode_OfficialService),
+            };
+
+            addConfigButton(HocClkConfigValue_CPUDVFSMode, "CPU DVFS Mode", ValueRange(0, 0, 1, "", 0), "CPU DVFS Mode", &thresholdsDisabled, {}, dvfsValues,
+                            false);
+
+            addConfigButton(HocClkConfigValue_CPUDVFSOffset, "CPU DVFS Offset", ValueRange(0, 12, 1, "", 0), "CPU DVFS Offset", &thresholdsDisabled, {},
+                            dvfsOffset, false);
+
         } else {
             addConfigTrackbar(KipConfigValue_eristaCpuUV, "CPU UV", ValueRange(0, 5, 1));
 
@@ -2648,10 +2669,10 @@ class GpuSubmenuGui : public MiscGui {
             // NamedValue("Official Service", DVFSMode_OfficialService),
         };
 
-        addConfigButton(HocClkConfigValue_DVFSMode, "GPU DVFS Mode", ValueRange(0, 0, 1, "", 0), "GPU DVFS Mode", &thresholdsDisabled, {}, dvfsValues,
+        addConfigButton(HocClkConfigValue_GPUDVFSMode, "GPU DVFS Mode", ValueRange(0, 0, 1, "", 0), "GPU DVFS Mode", &thresholdsDisabled, {}, dvfsValues,
                         false);
 
-        addConfigButton(HocClkConfigValue_DVFSOffset, "GPU DVFS Offset", ValueRange(0, 12, 1, "", 0), "GPU DVFS Offset", &thresholdsDisabled, {},
+        addConfigButton(HocClkConfigValue_GPUDVFSOffset, "GPU DVFS Offset", ValueRange(0, 12, 1, "", 0), "GPU DVFS Offset", &thresholdsDisabled, {},
                         dvfsOffset, false);
 
         tsl::elm::ListItem *customTableSubmenu = new tsl::elm::ListItem("GPU Voltage Table");

Source/hoc-clk/sysmodule/src/board/board_volt.cpp

@@ -25,6 +25,7 @@
 #include <switch.h>
 
 #include "../file/file_utils.hpp"
+#include "../file/config.hpp"
 #include "../hos/rgltr.h"
 #include "../i2c/i2cDrv.h"
 #include "board.hpp"
@@ -593,6 +594,7 @@ namespace board {
         return baseVolt;
     }
 
+    /* Mariko only! */
     constexpr u32 PmicVmin = 250;
     constexpr u32 PmicStep = 5;
 
@@ -602,6 +604,12 @@ namespace board {
     }
 
     void ApplyCpuDvfs(u32 ramFreqMhz) {
+        /* Don't reapply the table if it has been*/
+        static u32 lastRamFreqMhz = 0;
+        if(ramFreqMhz == lastRamFreqMhz) {
+            return;
+        }
+
         /* Get the minimum DRAM OC Cpu Vmin */
         u32 vmin = GetMinimumCpuVmin(ramFreqMhz, GetCpuSpeedoBracket());
 
@@ -615,7 +623,6 @@ namespace board {
             if(vlt < vmin) {
                 vlt = vmin;
             }
-
             /* Don't know if modifying and passing argument causes undefined behavior? */
             u32 tempVlt = vlt;
             vlt = ConvertVoltToLut(tempVlt); 
@@ -624,12 +631,18 @@ namespace board {
         /* Pet the watchdog to avoid it hanging the system during this operation */
         i2c::wdt::Pet();
 
-        /* DSB to prevent a hang during setting the new LUT */
+        /* DSB to prevent a hang during setting the new LUT. ST will not work, SY is needed */
         __asm__("dsb SY");
 
         /* Copy the edited LUT into it's appropriate location */
         memcpy((void*)(cldvfs + CL_DVFS_OUTPUT_LUT_0), NewCpuVoltTable, sizeof(NewCpuVoltTable));
         
+        file::utils::LogLine("[cpudvfs]: Set voltage to %dmV for %dMHz", vmin, ramFreqMhz);
+        /* Pet the watchdog to avoid it hanging the system during this operation */
+        i2c::wdt::Pet();
+
+        svcSleepThread(100'000'000); // 100ms
+        lastRamFreqMhz = ramFreqMhz;
     }
 }  // namespace board
 

Source/hoc-clk/sysmodule/src/i2c/max77620_wdt.cpp

@@ -20,6 +20,7 @@
 #include "../file/config.hpp"
 #include <lockable_mutex.h>
 #include <mutex>
+#include "../file/file_utils.hpp"
 
 /* PMIC Registers */
 #define MAX77620_REG_CNFGGLBL2  ((u8)0x01)
@@ -68,6 +69,8 @@ namespace i2c::wdt {
             return;
         }
 
+        file::utils::LogLine("[Watchdog] armed");
+
         Result rc;
         u8 twd;
 
@@ -108,6 +111,7 @@ namespace i2c::wdt {
         if (!isWdtEnabled) {
             return;
         }
+        file::utils::LogLine("[Watchdog] disarmed");
 
         Result rc = update_bits(MAX77620_REG_CNFGGLBL2, MAX77620_WDTEN, (u8)0x00);
         ASSERT_RESULT_OK(rc, "update_bits");

Source/hoc-clk/sysmodule/src/mgr/clock_manager.cpp

@@ -427,7 +427,7 @@ namespace mgr {
     }
 
     void ApplyGpuDvfs(u32 targetHz) {
-        s32 dvfsOffset = file::config::GetConfigValue(HocClkConfigValue_DVFSOffset);
+        s32 dvfsOffset = file::config::GetConfigValue(HocClkConfigValue_GPUDVFSOffset);
         dvfsOffset = std::max(dvfsOffset, -80);
         u32 vmin = board::GetMinimumGpuVmin(targetHz / 1000000, board::GetGpuSpeedoBracket());
 
@@ -450,8 +450,39 @@ namespace mgr {
         }
     }
 
+    void ApplyCpuDvfs(u32 targetHz) {
+        if(file::config::GetConfigValue(HocClkConfigValue_CPUDVFSMode) == CPUDVFSMode_Modify) {
+            board::ApplyCpuDvfs(targetHz / 1'000'000); // convert to mhz
+            u32 ltargetHz = gContext.overrideFreqs[HocClkModule_CPU];
+            if (!ltargetHz) {
+                ltargetHz = file::config::GetAutoClockHz(gContext.applicationId, HocClkModule_CPU, gContext.profile, false);
+                if (!ltargetHz)
+                    ltargetHz = file::config::GetAutoClockHz(HOCCLK_GLOBAL_PROFILE_TID, HocClkModule_CPU, gContext.profile, false);
+            }
+
+            u32 maxHz = GetMaxAllowedHz(HocClkModule_CPU, gContext.profile);
+            u32 nearestHz = ltargetHz ? GetNearestHz(HocClkModule_CPU, ltargetHz, maxHz) : 0;
+            board::SetHz(HocClkModule_CPU, 1'785'000'000);
+            svcSleepThread(5'000'000);
+            if(nearestHz != 0) {
+                board::SetHz(HocClkModule_CPU, nearestHz);
+            } else {
+                board::ResetToStockCpu();
+            }
+        }
+    }
+
+    void ResetCpuDvfs() {
+        if(file::config::GetConfigValue(HocClkConfigValue_CPUDVFSMode) == CPUDVFSMode_Modify) {
+            board::ApplyCpuDvfs(0);
+            board::SetHz(HocClkModule_CPU, 1'785'000'000);
+            svcSleepThread(5'000'000);
+            board::ResetToStockCpu();
+        }
+    }
+
     void DVFSReset() {
-        if (file::config::GetConfigValue(HocClkConfigValue_DVFSMode) == DVFSMode_Hijack) {
+        if (file::config::GetConfigValue(HocClkConfigValue_GPUDVFSMode) == DVFSMode_Hijack) {
             board::PcvHijackGpuVolts(0);  // Reset to vMin
 
             u32 targetHz = GetNearestOverrideHz(HocClkModule_GPU);
@@ -462,7 +493,7 @@ namespace mgr {
         }
     }
 
-    void HandleFreqReset(HocClkModule module, bool isBoost, bool didHijackPcv) {
+    void HandleFreqReset(HocClkModule module, bool isBoost, bool didHijackPcv, bool didApplyCpuDvfs) {
         switch (module) {
             case HocClkModule_CPU:
                 if (!(isBoost || (file::config::GetConfigValue(HocClkConfigValue_OverwriteBoostMode) && isBoost)))
@@ -485,6 +516,10 @@ namespace mgr {
                     DVFSReset();
                     didHijackPcv = true;
                 }
+                if(!didApplyCpuDvfs) {
+                    ResetCpuDvfs();
+                    didApplyCpuDvfs = true;
+                }
                 break;
             case HocClkModule_Display:
                 if (file::config::GetConfigValue(HocClkConfigValue_OverwriteRefreshRate)) {
@@ -506,9 +541,10 @@ namespace mgr {
         u32 nearestFreq = GetCurrentNearestFrequency(HocClkModule_MEM);
 
         if (targetRamHz != nearestFreq) {
-            if (file::config::GetConfigValue(HocClkConfigValue_DVFSMode) == DVFSMode_Hijack) {
+            if (file::config::GetConfigValue(HocClkConfigValue_GPUDVFSMode) == DVFSMode_Hijack) {
                 ApplyGpuDvfs(targetRamHz);
             }
+            ApplyCpuDvfs(targetRamHz);
 
             board::SetHz(HocClkModule_MEM, targetRamHz);
         }
@@ -520,7 +556,7 @@ namespace mgr {
         std::uint32_t nearestHz = 0;
         static bool prepareBoostExit = false;
 
-        bool didHijackPcv = false;
+        bool didHijackPcv = false, didApplyCpuDvfs = false;
         bool skipCpuDueToBoost = isBoost && !file::config::GetConfigValue(HocClkConfigValue_OverwriteBoostMode);
         if (skipCpuDueToBoost) {
             board::SetHz(HocClkModule_CPU, board::GetHz(HocClkModule_CPU));
@@ -570,7 +606,7 @@ namespace mgr {
                     gContext.stable.freqs[HocClkModule_Display] = targetHz;
                     gContext.stable.realFreqs[HocClkModule_Display] = targetHz;
                 } else {
-                    HandleFreqReset(HocClkModule_Display, isBoost, didHijackPcv);
+                    HandleFreqReset(HocClkModule_Display, isBoost, didHijackPcv, didApplyCpuDvfs);
                 }
             }
 
@@ -605,9 +641,13 @@ namespace mgr {
                                        targetHz / 100000 - targetHz / 1000000 * 10);
 
                     // The logic MUST be done in this order otherwise you WILL get crashes
-                    if (module == HocClkModule_MEM && targetHz > oldHz && file::config::GetConfigValue(HocClkConfigValue_DVFSMode) == DVFSMode_Hijack) {
+                    if (module == HocClkModule_MEM && targetHz > oldHz && file::config::GetConfigValue(HocClkConfigValue_GPUDVFSMode) == DVFSMode_Hijack) {
                         ApplyGpuDvfs(targetHz);
                     }
+                    if (module == HocClkModule_MEM && targetHz > oldHz && board::GetSocType() == HocClkSocType_Mariko) {
+                        ApplyCpuDvfs(targetHz);
+                    }     
+
                     board::SetHz((HocClkModule)module, nearestHz);
                     gContext.freqs[module] = nearestHz;
 
@@ -615,15 +655,22 @@ namespace mgr {
                         gContext.stable.freqs[module] = nearestHz;
                     }
 
-                    if (module == HocClkModule_MEM && targetHz < oldHz && file::config::GetConfigValue(HocClkConfigValue_DVFSMode) == DVFSMode_Hijack) {
+                    if (module == HocClkModule_MEM && targetHz < oldHz && file::config::GetConfigValue(HocClkConfigValue_GPUDVFSMode) == DVFSMode_Hijack) {
                         ApplyGpuDvfs(targetHz);
                     }
+                    if (module == HocClkModule_MEM && targetHz < oldHz && board::GetSocType() == HocClkSocType_Mariko) {
+                        ApplyCpuDvfs(targetHz);
+                    }
 
-                    if (module == HocClkModule_MEM && file::config::GetConfigValue(HocClkConfigValue_DVFSMode) == DVFSMode_Hijack)
+                    if (module == HocClkModule_MEM && file::config::GetConfigValue(HocClkConfigValue_GPUDVFSMode) == DVFSMode_Hijack)
                         didHijackPcv = false;
+                    
+                    if(module == HocClkModule_MEM && board::GetSocType() == HocClkSocType_Mariko && file::config::GetConfigValue(HocClkConfigValue_CPUDVFSMode) == CPUDVFSMode_Modify) {
+                        didApplyCpuDvfs = true;
+                    }
                 }
             } else {
-                HandleFreqReset((HocClkModule)module, isBoost, didHijackPcv);
+                HandleFreqReset((HocClkModule)module, isBoost, didHijackPcv, didApplyCpuDvfs);
             }
         }
     }
@@ -652,7 +699,7 @@ namespace mgr {
         // restore clocks to stock values on app or profile change
         if (hasChanged) {
             board::ResetToStock();
-            if (file::config::GetConfigValue(HocClkConfigValue_DVFSMode) == DVFSMode_Hijack) {
+            if (file::config::GetConfigValue(HocClkConfigValue_GPUDVFSMode) == DVFSMode_Hijack) {
                 board::PcvHijackGpuVolts(0);
                 board::ResetToStockGpu();
             }