diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5bef96710..3490563c9 100755
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,7 +5,7 @@ All notable changes to this project will be documented in this file.
 
 ## [15.6.0.3]
 ### Added
-
+- LVGL option to prefer PSRAM for draw buffers using bit 5 (0x20) of `:B` in display.ini
 
 ### Breaking Changed
 
diff --git a/lib/lib_display/Display_Renderer-gemu-1.0/src/renderer.h b/lib/lib_display/Display_Renderer-gemu-1.0/src/renderer.h
index 812c12bbb..99dc92146 100644
--- a/lib/lib_display/Display_Renderer-gemu-1.0/src/renderer.h
+++ b/lib/lib_display/Display_Renderer-gemu-1.0/src/renderer.h
@@ -37,7 +37,7 @@ typedef struct LVGL_PARAMS {
       uint8_t async_dma : 1;   // force DMA completion before returning, avoid conflict with other devices on same bus. If set you should make sure the display is the only device on the bus
       uint8_t busy_invert : 1;
       uint8_t invert_bw : 1;
-      uint8_t resvd_3 : 1;
+      uint8_t use_psram : 1;   // bit 5 (0x20): prefer PSRAM for LVGL draw buffers (ex: ESP32-P4 DSI), falls back to internal RAM
       uint8_t resvd_4 : 1;
       uint8_t resvd_5 : 1;
     };
diff --git a/lib/lib_display/UDisplay/include/uDisplay_SPI_panel.h b/lib/lib_display/UDisplay/include/uDisplay_SPI_panel.h
index 4981d6b51..13c456dd8 100644
--- a/lib/lib_display/UDisplay/include/uDisplay_SPI_panel.h
+++ b/lib/lib_display/UDisplay/include/uDisplay_SPI_panel.h
@@ -23,7 +23,7 @@ typedef struct LVGL_PARAMS_t {
       uint8_t async_dma : 1;   // force DMA completion before returning, avoid conflict with other devices on same bus. If set you should make sure the display is the only device on the bus
       uint8_t busy_invert : 1;
       uint8_t invert_bw : 1;
-      uint8_t resvd_3 : 1;
+      uint8_t use_psram : 1;   // bit 5 (0x20): prefer PSRAM for LVGL draw buffers (ex: ESP32-P4 DSI), falls back to internal RAM
       uint8_t resvd_4 : 1;
       uint8_t resvd_5 : 1;
     };
diff --git a/tasmota/tasmota_xdrv_driver/xdrv_54_lvgl.ino b/tasmota/tasmota_xdrv_driver/xdrv_54_lvgl.ino
index de684aeeb..979e67eec 100644
--- a/tasmota/tasmota_xdrv_driver/xdrv_54_lvgl.ino
+++ b/tasmota/tasmota_xdrv_driver/xdrv_54_lvgl.ino
@@ -481,12 +481,19 @@ void start_lvgl(const char * uconfig) {
     if (0 == flushlines) flushlines = LV_BUFFER_ROWS;
 
     lvgl_buffer_size = renderer->width() * flushlines;
+    // By default allocate preferably in internal memory which is faster than PSRAM.
+    // If bit 5 (0x20) of `:B` is set in display.ini, prefer PSRAM instead: this saves
+    // internal memory and can be faster with large flushlines on ESP32-P4 DSI panels.
+    // In both cases, fall back to the other memory type if allocation fails.
+    bool prefer_psram = renderer->lvgl_pars()->use_psram;
+    uint32_t caps_first  = MALLOC_CAP_8BIT | (prefer_psram ? MALLOC_CAP_SPIRAM : MALLOC_CAP_INTERNAL);
+    uint32_t caps_second = MALLOC_CAP_8BIT;
+    const char * mem_pref = prefer_psram ? "PSRAM" : "main memory";
     if (renderer->lvgl_pars()->use_dma) {
       lvgl_buffer_size /= 2;
       if (lvgl_buffer_size < 1000000) {
-        // allocate preferably in internal memory which is faster than PSRAM
-        AddLog(LOG_LEVEL_DEBUG, "LVG: Allocating buffer2 %i bytes in main memory (flushlines %i)", (lvgl_buffer_size * (LV_COLOR_DEPTH / 8)) / 1024, flushlines);
-        lvgl_glue->lv_pixel_buf2 = heap_caps_malloc_prefer(lvgl_buffer_size * (LV_COLOR_DEPTH / 8), 2, MALLOC_CAP_8BIT | MALLOC_CAP_INTERNAL, MALLOC_CAP_8BIT);
+        AddLog(LOG_LEVEL_DEBUG, "LVG: Allocating buffer2 %i KB preferably in %s (flushlines %i)", (lvgl_buffer_size * (LV_COLOR_DEPTH / 8)) / 1024, mem_pref, flushlines);
+        lvgl_glue->lv_pixel_buf2 = heap_caps_malloc_prefer(lvgl_buffer_size * (LV_COLOR_DEPTH / 8), 2, caps_first, caps_second);
       }
       if (!lvgl_glue->lv_pixel_buf2) {
         status_ok = false;
@@ -494,9 +501,8 @@ void start_lvgl(const char * uconfig) {
       }
     }
 
-    // allocate preferably in internal memory which is faster than PSRAM
-    AddLog(LOG_LEVEL_DEBUG, "LVG: Allocating buffer1 %i KB in main memory (flushlines %i)", (lvgl_buffer_size * (LV_COLOR_DEPTH / 8)) / 1024, flushlines);
-    lvgl_glue->lv_pixel_buf = heap_caps_malloc_prefer(lvgl_buffer_size * (LV_COLOR_DEPTH / 8), 2, MALLOC_CAP_8BIT | MALLOC_CAP_INTERNAL, MALLOC_CAP_8BIT);
+    AddLog(LOG_LEVEL_DEBUG, "LVG: Allocating buffer1 %i KB preferably in %s (flushlines %i)", (lvgl_buffer_size * (LV_COLOR_DEPTH / 8)) / 1024, mem_pref, flushlines);
+    lvgl_glue->lv_pixel_buf = heap_caps_malloc_prefer(lvgl_buffer_size * (LV_COLOR_DEPTH / 8), 2, caps_first, caps_second);
     if (!lvgl_glue->lv_pixel_buf) {
       status_ok = false;
       break;