From 5849e02e2320bda8d50a5297098743df4d138a8b Mon Sep 17 00:00:00 2001
From: Frank <91616163+softhack007@users.noreply.github.com>
Date: Wed, 17 Dec 2025 01:19:24 +0100
Subject: [PATCH] no effect data limits for PSRAM boards (upstream backport)

---
 wled00/FX_fcn.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/wled00/FX_fcn.cpp b/wled00/FX_fcn.cpp
index a7db2444..d9417063 100644
--- a/wled00/FX_fcn.cpp
+++ b/wled00/FX_fcn.cpp
@@ -230,6 +230,9 @@ bool Segment::allocateData(size_t len, bool allowOverdraft) {  // WLEDMM allowOv
   //DEBUG_PRINTF("allocateData(%u) start %d, stop %d, vlen %d\n", len, start, stop, virtualLength());
   deallocateData();
   if (len == 0) return false; // nothing to do
+
+  // limit to MAX_SEGMENT_DATA if there is no PSRAM, otherwise prefer functionality over speed
+  #ifndef BOARD_HAS_PSRAM
   if (Segment::getUsedSegmentData() + len > MAX_SEGMENT_DATA) {
     if (!allowOverdraft || (Segment::getUsedSegmentData() + len > MAX_SEGMENT_OVERDATA)) { // WLEDMM 50% overdraft allowed temporarily
       static unsigned lastMsgTime = 0;
@@ -241,6 +244,8 @@ bool Segment::allocateData(size_t len, bool allowOverdraft) {  // WLEDMM allowOv
       return false; //not enough memory
     }
   }
+  #endif
+
   // do not use SPI RAM on ESP32 since it is slow
   //#if defined(ARDUINO_ARCH_ESP32) && defined(BOARD_HAS_PSRAM) && defined(WLED_USE_PSRAM)
   //if (psramFound())