ldr: fix rext

Source/Atmosphere/stratosphere/loader/source/oc/pcv/mariko/calculate_timings_mariko.cpp

@@ -20,8 +20,8 @@
 
 namespace ams::ldr::hoc::pcv::mariko {
 
-    void GetRext() {
-        if (auto r = FindRext()) {
+    void GetRext(u32 freq) {
+        if (auto r = FindRext(freq)) {
             rext = r->rext;
             return;
         }
@@ -46,7 +46,7 @@ namespace ams::ldr::hoc::pcv::mariko {
     }
 
     void AutoLatency(volatile u32 &latency, u32 freq, u32 latencyStep) {
-        if (freq > 1600'000 && freq <= 1862'400) { /* 1866tRWL */
+        if (freq > 1600'000 && freq <= 1866'000) { /* 1866tRWL */
             latency += latencyStep * 2;
         } else { /* 2133tRWL */
             latency += latencyStep * 3;
@@ -130,10 +130,8 @@ namespace ams::ldr::hoc::pcv::mariko {
 
         HandleLatency(freq);
 
-        GetRext();
+        GetRext(freq);
 
-        /* At 1333WL, for some reason (incorrect ram timing config in mtc table?), tRP causes crashes at high reductions - 2 seems to be the most common limit. */
-        /* This is a lazy workaround until I find the issue... */
         const bool lowFreq = freq < C.timingEmcTbreak;
 
         tRCD   = tRCD_values[lowFreq ? C.low_t1_tRCD : C.t1_tRCD];

Source/Atmosphere/stratosphere/loader/source/oc/pcv/mariko/pcv_mariko.cpp

@@ -315,6 +315,7 @@ namespace ams::ldr::hoc::pcv::mariko {
         cmd.val    = val;
         Result res = i2csessionSendAuto(&_session, &cmd, sizeof(cmd), I2cTransactionOption_All);
         i2csessionClose(&_session);
+
         return res;
     }
 
@@ -350,8 +351,6 @@ namespace ams::ldr::hoc::pcv::mariko {
         Result resultI2C = I2cSet_U8(I2cDevice_Max77812_2, 0x25, (emc_uv - uv_min) / uv_step);
         i2cExit();
 
-        R_SUCCEED();
-
         return resultI2C;
     }
 

Source/Atmosphere/stratosphere/loader/source/oc/pcv/mariko/timing_tables.cpp

@@ -35,9 +35,9 @@ namespace ams::ldr::hoc::pcv::mariko {
 
     const u32 g_rext_table_size = sizeof(g_rext_table) / sizeof(g_rext_table[0]);
 
-    const ReplacePatch *FindRext() {
+    const ReplacePatch *FindRext(u32 freq) {
         for (u32 i = 0; i < g_rext_table_size; i++) {
-            if (g_rext_table[i].freq >= C.marikoEmcMaxClock) {
+            if (g_rext_table[i].freq >= freq) {
                 return &g_rext_table[i];
             }
         }

Source/Atmosphere/stratosphere/loader/source/oc/pcv/mariko/timing_tables.hpp

@@ -26,6 +26,6 @@ namespace ams::ldr::hoc::pcv::mariko {
 
     extern const ReplacePatch  g_rext_table[];
     extern const u32           g_rext_table_size;
-    const        ReplacePatch *FindRext();
+    const        ReplacePatch *FindRext(u32 freq);
 
 }