From ea754707ee6fe2d88e3c3b56e10036d069506409 Mon Sep 17 00:00:00 2001
From: souldbminersmwc <souldbyt@gmail.com>
Date: Wed, 28 Jan 2026 15:39:56 -0500
Subject: [PATCH] sysclk: fix erista gpu vmin

---
 .../stratosphere/loader/source/oc/pcv/pcv.hpp |   5 ++--
 .../loader/source/oc/pcv/pcv_erista.cpp       |  24 ++++++++----------
 .../contents/00FF0000636C6BFF/exefs.nsp       | Bin 211565 -> 211550 bytes
 dist/atmosphere/kips/hoc.kip                  | Bin 276972 -> 276908 bytes
 dist/switch/.overlays/horizon-oc-overlay.ovl  | Bin 1122364 -> 1122364 bytes
 5 files changed, 13 insertions(+), 16 deletions(-)

diff --git a/Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv.hpp b/Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv.hpp
index 6febf32b..0eb25e4e 100644
--- a/Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv.hpp
+++ b/Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv.hpp
@@ -216,9 +216,8 @@ namespace ams::ldr::oc::pcv {
         constexpr u32 GpuClkPllLimit = 921'600'000;
         constexpr u32 GpuVminOfficial = 810;
 
-        static const u32 gpuVoltDvfsPattern[] = { 1150, 1000, 100, 1000, 10, };
-        static const u32 gpuVoltDvfsOffsets[] = {    1,    2,   3,    4,  5, };
-        static_assert(sizeof(gpuVoltDvfsPattern) == sizeof(gpuVoltDvfsOffsets), "Invalid gpuVoltDvfsPattern");
+        static const u32 gpuVoltDvfsPattern[] = { 810, 1150, 1000, 100, 1000, 10, };
+        static_assert(sizeof(gpuVoltDvfsPattern) == (sizeof(u32) * 6), "Invalid gpuVoltDvfsPattern");
 
         static const u32 gpuVoltThermalPattern[] = { 950, 1132, 0, 810, 1132, 15000, 810, 1132, 30000, 810, 1132, 50000, 810, 1132, 70000, 810, 1132, 105000 };
         static_assert(sizeof(gpuVoltThermalPattern) == 0x48, "invalid gpuVoltageThermalPattern size");
diff --git a/Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv_erista.cpp b/Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv_erista.cpp
index 8a8d2cef..b8cdc28a 100644
--- a/Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv_erista.cpp
+++ b/Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv_erista.cpp
@@ -103,14 +103,15 @@ namespace ams::ldr::oc::pcv::erista {
     }
 
     Result GpuVoltDVFS(u32 *ptr) {
-        if (MatchesPattern(ptr, gpuVoltDvfsPattern, gpuVoltDvfsOffsets)) {
-            if (C.eristaGpuVmin) {
-                PATCH_OFFSET(ptr, C.eristaGpuVmin);
-            }
-            R_SUCCEED();
-        }
+        u32 result = std::memcmp(ptr, gpuVoltDvfsPattern, sizeof(gpuVoltDvfsPattern));
 
-        R_THROW(ldr::ResultInvalidGpuDvfs());
+        if (result)
+            R_THROW(ldr::ResultInvalidGpuDvfs());
+
+        if (C.eristaGpuVmin)
+            PATCH_OFFSET(ptr, C.eristaGpuVmin);
+
+        R_SUCCEED();
     }
 
     Result GpuVoltThermals(u32 *ptr) {
@@ -730,19 +731,16 @@ namespace ams::ldr::oc::pcv::erista {
     }
 
     void Patch(uintptr_t mapped_nso, size_t nso_size) {
-        u32 CpuCvbDefaultMaxFreq = static_cast<u32>(GetDvfsTableLastEntry(CpuCvbTableDefault)->freq);
-        u32 GpuCvbDefaultMaxFreq = static_cast<u32>(GetDvfsTableLastEntry(GpuCvbTableDefault)->freq);
-
         PatcherEntry<u32> patches[] = {
-            {"CPU Freq Table", CpuFreqCvbTable<false>, 1, nullptr, CpuCvbDefaultMaxFreq},
+            {"CPU Freq Table", CpuFreqCvbTable<false>, 1, nullptr, static_cast<u32>(GetDvfsTableLastEntry(CpuCvbTableDefault)->freq)},
             {"CPU Volt DVFS", &CpuVoltDvfs, 1, nullptr, 825},
             {"CPU Volt Thermals", &CpuVoltThermals, 1, nullptr, 825},
             {"CPU Volt Dfll",  &CpuVoltDfll, 1, nullptr, 0xFFD0EAFF},
             {"GPU Volt DVFS", &GpuVoltDVFS, 1, nullptr, 810},
             {"GPU Volt Thermals", &GpuVoltThermals, 1, nullptr, 810},
-            {"GPU Freq Table", GpuFreqCvbTable<false>, 1, nullptr, GpuCvbDefaultMaxFreq},
+            {"GPU Freq Table", GpuFreqCvbTable<false>, 1, nullptr, static_cast<u32>(GetDvfsTableLastEntry(GpuCvbTableDefault)->freq)},
             {"GPU Freq Asm", &GpuFreqMaxAsm, 2, &GpuMaxClockPatternFn},
-            {"GPU Freq PLL", &GpuFreqPllLimit, 1, nullptr, GpuClkPllLimit},
+            {"GPU Freq PLL", &GpuFreqPllLimit, 1, nullptr, GpuClkPllLimit}, // NOT ISSUE
             {"MEM Freq Mtc", &MemFreqMtcTable, 0, nullptr, EmcClkOSLimit},
             {"MEM Freq Max", &MemFreqMax, 0, nullptr, EmcClkOSLimit},
             {"MEM Freq PLLM", &MemFreqPllmLimit, 2, nullptr, EmcClkPllmLimit},
diff --git a/dist/atmosphere/contents/00FF0000636C6BFF/exefs.nsp b/dist/atmosphere/contents/00FF0000636C6BFF/exefs.nsp
index 63b9d9062c47e88ae79c6cc99e04b391c88d43e5..2925aeaf1fed28be8701d40c9afd24d7f183281b 100644
GIT binary patch
delta 370
zcmaF+h3DQEo(U3y*G!oikioTyn(0<gG=YK-SQsuiGB8YVW@b>`y5`9@)~>{9vXkY1
zy<hO8I3raDS(9`#6T``+3=E&Rrx%(rn@wU=P&k&`-q`Hl<7n~q<q@+anSE1xH}2>S
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z=A~ukWtNC@I5PMp`rTj<bW&hwRwyn7TAiB0DxU%LtDfHUf3ui^B>uA~D5(}J=_ur6
i=A|mArl=OH7IQT)sBh1m&2*_x1Y1aL57uIq5&!_0-FLtM

delta 385
zcmccjh3D-To(U3yPfeK_kipZ5n(0=bHGzT;SQsuiGB8YVW@ad<t>VjPi^`t#&R4D@
zctP-F_n@1|nxvbV7;Y?OVEDv6J<*KWY!ah_!qWLg>y&?G%)U2C(;%=*e6{D&Y@J(0
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diff --git a/dist/atmosphere/kips/hoc.kip b/dist/atmosphere/kips/hoc.kip
index c02e3798c8fb21732df50a43d5b7de43f7d3af76..335f1ed2fa1d2d69c324ae327fb364dca348483d 100644
GIT binary patch
delta 3270
zcma)83s@A_6~6b*F1xUzAh^6_cTpn>28oXf>dGiqOf+Z}6~*e}6RZyuAACi2M<i-M
zk>R5211ShqLD#GulXb1)3SVMsT15I8O=``esj<~6m0IOXmgyOGQIpWeeBaDJ=ltiK
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diff --git a/dist/switch/.overlays/horizon-oc-overlay.ovl b/dist/switch/.overlays/horizon-oc-overlay.ovl
index 8f8e36a6ccf73e06972df7da4e8d7624b7e29326..54b2b141f56a22a7cafec1dd56d99a0b484f8a6c 100644
GIT binary patch
delta 148
zcmdmUz-7+?mkACcQ_l5I|6Er*>-ruJ@gk8|%jb3-44EES&ZX1X(AvP*+Q8J>z}(uv
z(%Qh<+Q8P@z~0)x(b~Y-+Q8M?z}?!w)7rq>+Q8S^z`wOYpg|F<Y1=nG;fZJ3e&7jD
O01ncZX`6w7%?AJ~;z2_I

delta 148
zcmdmUz-7+?mkACcCu)tjOpoRHm)kycpUBE=E4KZe#`M5)E}h1P)&|Db2By{q=GF$5
z)&|zr2Da7)_SOcD)&|bj2Cmiy?$!pL)&}0z2ENt?{;drH4T@Mz+rIG$PdwB115bDY
OaFD)C+YAJ3J^%pODLTmj