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ldr: fix 1333 latency max bug -- index 0 is a valid latency

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Lightos1
2026-04-26 22:13:49 +02:00
parent ec4a1f974b
commit fb3e976f2e
1 changed files with 7 additions and 6 deletions
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13
Source/Atmosphere/stratosphere/loader/source/oc/mariko/calculate_timings.cpp
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@@ -34,8 +34,8 @@ namespace ams::ldr::hoc::pcv::mariko {
latency += index * latencyStep;
}
static u32 GetMaxLatencyIndex(volatile u32 *latencyArray, u32 latencySize) {
u32 maxIndex = 0;
static s32 GetMaxLatencyIndex(volatile u32 *latencyArray, u32 latencySize) {
s32 maxIndex = -1;
for (u32 i = 0; i < latencySize; ++i) {
if (latencyArray[i]) {
maxIndex = i;
@@ -65,18 +65,18 @@ namespace ams::ldr::hoc::pcv::mariko {
}
void HandleLatency(u32 freq) {
static u32 rlIndexMax = GetMaxLatencyIndex(C.readLatency, std::size(C.readLatency));
static u32 wlIndexMax = GetMaxLatencyIndex(C.writeLatency, std::size(C.writeLatency));
static s32 rlIndexMax = GetMaxLatencyIndex(C.readLatency, std::size(C.readLatency));
static s32 wlIndexMax = GetMaxLatencyIndex(C.writeLatency, std::size(C.writeLatency));
constexpr u32 ReadLatencyStep = 4;
constexpr u32 WriteLatencyStep = 2;
bool autoLatencyRead = false, autoLatencyWrite = false;
if (rlIndexMax == 0) {
if (rlIndexMax == -1) {
AutoLatency(RL, freq, ReadLatencyStep);
autoLatencyRead = true;
}
if (wlIndexMax == 0) {
if (wlIndexMax == -1) {
AutoLatency(WL, freq, WriteLatencyStep);
autoLatencyWrite = true;
}
@@ -120,6 +120,7 @@ namespace ams::ldr::hoc::pcv::mariko {
}
}
/* DBI is always enabled. */
mrw2 = static_cast<u8>(((rlIndex & 0x7) | ((wlIndex & 0x7) << 3) | ((0 & 0x1) << 6)));
}