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ldr: add auto ram vmin

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This commit is contained in:
souldbminersmwc
2026-02-08 11:54:21 -05:00
parent 7d9c60cdfe
commit c0b458243c
9 changed files with 53 additions and 11 deletions
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1
Source/Atmosphere/stratosphere/loader/source/oc/customize.cpp
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@@ -22,6 +22,7 @@
/* Never edit these. */
#define AUTO 0
#define AUTO_RAM 0
#define ENABLED 1
#define DISABLED 0
#define DEACTIVATED_GPU_FREQ 2000

44
Source/Atmosphere/stratosphere/loader/source/oc/pcv/pcv_mariko.cpp
View File

@@ -51,6 +51,48 @@ namespace ams::ldr::oc::pcv::mariko {
}
/* Note: EOS (probably?) has a bug in this function that always results in high vmin, this is fixed here. */
static unsigned int ramBrackets[][22] =
{
{ 2133, 2200, 2266, 2300, 2366, 2400, 2433, 2466, 2533, 2566, 2600, 2633, 2700, 2733, 2766, 2833, 2866, 2900, 2933, 3033, 3066, 3100, },
{ 2300, 2366, 2433, 2466, 2533, 2566, 2633, 2700, 2733, 2800, 2833, 2900, 2933, 2966, 3033, 3066, 3100, 3133, 3166, 3200, 3233, 3266, },
{ 2433, 2466, 2533, 2600, 2666, 2733, 2766, 2800, 2833, 2866, 2933, 2966, 3033, 3066, 3100, 3133, 3166, 3200, 3233, 3300, 3333, 3366, },
{ 2500, 2533, 2600, 2633, 2666, 2733, 2800, 2866, 2900, 2966, 3033, 3100, 3166, 3200, 3233, 3266, 3300, 3333, 3366, 3400, 3400, 3400, }
};
unsigned int gpuDvfsArray[] = { 590, 600, 610, 620, 630, 640, 650, 660, 670, 680, 690, 700, 710, 720, 730, 740, 750, 760, 770, 780, 790, 800};
int GetSpeedoBracket (int speedo)
{
int speedoBracket = 3;
if ((speedo < 1754) && (speedoBracket = 2, speedo < 1690)) {
speedoBracket = !!(1625 < speedo);
}
return speedoBracket;
}
unsigned int GetGpuVoltage (unsigned int freq, int speedo)
{
long int lVar1;
int bracket = GetSpeedoBracket(speedo);
if (freq < 1601)
return 0;
lVar1 = 0;
do
{
if (freq <= ramBrackets[bracket][lVar1])//*(unsigned int *)((ulong)DAT_001491e0 * 0x58 + 1280960 + lVar1 * 4))
return gpuDvfsArray[lVar1];//*(undefined4 *)((long)(int)lVar1 * 4 + 1281312);
lVar1++;
} while (lVar1 != 22);
return 800;
}
u32 GetAutoVoltage() {
u32 voltage = GetGpuVminVoltage();
voltage = GetRamVminAdjustment(voltage);
@@ -85,7 +127,7 @@ namespace ams::ldr::oc::pcv::mariko {
/* C.marikoGpuVmin is zero, auto voltage is applied. */
/* Get vmin depending on speedo and ram clock. */
u32 autoVmin = GetAutoVoltage();
u32 autoVmin = C.marikoGpuVmin == 0 ? GetAutoVoltage() : GetGpuVoltage(C.marikoEmcMaxClock / 1000, C.gpuSpeedo);
PATCH_OFFSET(ptr, autoVmin);
R_SUCCEED();
}