pkg/lvgl: Increase default LV_MEM_SIZE for 64 bit and enable tests for native64

pkg/lvgl/include/lv_conf.h

@@ -65,13 +65,20 @@
 #define LV_MEM_CUSTOM      0
 #if LV_MEM_CUSTOM == 0
 /*Size of the memory available for `lv_mem_alloc()` in bytes (>= 2kB)*/
-#if IS_USED(MODULE_LVGL_EXTRA_THEME_DEFAULT_GROW)
-#  ifndef LV_MEM_SIZE
-#  define LV_MEM_SIZE    (6U * 1024U)          /*[bytes]*/
-#  endif
-#else
-#  ifndef LV_MEM_SIZE
-#  define LV_MEM_SIZE    (5U * 1024U)          /*[bytes]*/
+#ifndef LV_MEM_SIZE
+#  if (__SIZEOF_POINTER__ > 4)
+/*64-bit platforms require additional space because a lot of pointers are stored on the lvgl heap.*/
+#    if IS_USED(MODULE_LVGL_EXTRA_THEME_DEFAULT_GROW)
+#    define LV_MEM_SIZE    (9U * 1024U)          /*[bytes]*/
+#    else
+#    define LV_MEM_SIZE    (8U * 1024U)          /*[bytes]*/
+#    endif
+#  else
+#    if IS_USED(MODULE_LVGL_EXTRA_THEME_DEFAULT_GROW)
+#    define LV_MEM_SIZE    (6U * 1024U)          /*[bytes]*/
+#    else
+#    define LV_MEM_SIZE    (5U * 1024U)          /*[bytes]*/
+#    endif
 #  endif
 #endif
 
@@ -113,19 +120,19 @@
  *-----------*/
 
 /** Enable complex draw engine.
  *Required to draw shadow, gradient, rounded corners, circles, arc, skew lines, image transformations or any masks*/
 #define LV_DRAW_COMPLEX 1
 #if LV_DRAW_COMPLEX != 0
 
 /** Allow buffering some shadow calculation.
  *LV_SHADOW_CACHE_SIZE is the max. shadow size to buffer, where shadow size is `shadow_width + radius`
  *Caching has LV_SHADOW_CACHE_SIZE^2 RAM cost*/
 #define LV_SHADOW_CACHE_SIZE    0
 #endif /*LV_DRAW_COMPLEX*/
 
 /*Default image cache size. Image caching keeps the images opened.
  *If only the built-in image formats are used there is no real advantage of caching. (I.e. if no new image decoder is added)
  *With complex image decoders (e.g. PNG or JPG) caching can save the continuous open/decode of images.
  *However the opened images might consume additional RAM.
  *0: to disable caching*/
 #define LV_IMG_CACHE_DEF_SIZE       0
@@ -135,13 +142,13 @@
 #define LV_GRADIENT_MAX_STOPS       2
 
 /**Default gradient buffer size.
  *When LVGL calculates the gradient "maps" it can save them into a cache to avoid calculating them again.
  *LV_GRAD_CACHE_DEF_SIZE sets the size of this cache in bytes.
  *If the cache is too small the map will be allocated only while it's required for the drawing.
  *0 mean no caching.*/
 #define LV_GRAD_CACHE_DEF_SIZE      0
 
 /** Maximum buffer size to allocate for rotation. Only used if software rotation is enabled in the display driver.*/
 #define LV_DISP_ROT_MAX_BUF         (10*1024)
 /*-------------
  * GPU
@@ -159,8 +166,8 @@
 #define LV_USE_GPU_NXP_PXP      0
 #if LV_USE_GPU_NXP_PXP
 /*1: Add default bare metal and FreeRTOS interrupt handling routines for PXP (lv_gpu_nxp_pxp_osa.c)
  *   and call lv_gpu_nxp_pxp_init() automatically during lv_init(). Note that symbol SDK_OS_FREE_RTOS
  *   has to be defined in order to use FreeRTOS OSA, otherwise bare-metal implementation is selected.
  *0: lv_gpu_nxp_pxp_init() has to be called manually before lv_init()
  */
 #define LV_USE_GPU_NXP_PXP_AUTO_INIT 0
@@ -208,8 +215,8 @@
 
 /*Enable asserts if an operation is failed or an invalid data is found.
  *If LV_USE_LOG is enabled an error message will be printed on failure*/
 #define LV_USE_ASSERT_NULL          0   /**< Check if the parameter is NULL. (Very fast, recommended)*/
 #define LV_USE_ASSERT_MALLOC        0   /**< Checks is the memory is successfully allocated or no. (Very fast, recommended)*/
 #define LV_USE_ASSERT_STYLE         0   /**< Check if the styles are properly initialized. (Very fast, recommended)*/
 #define LV_USE_ASSERT_MEM_INTEGRITY 0   /**< Check the integrity of `lv_mem` after critical operations. (Slow)*/
 #define LV_USE_ASSERT_OBJ           0   /**< Check the object's type and existence (e.g. not deleted). (Slow)*/

tests/pkg/lvgl/Makefile

@@ -12,9 +12,6 @@ USEMODULE += lvgl_extra_layout_flex
 USEMODULE += lvgl_extra_theme_default
 USEMODULE += lvgl_extra_theme_default_dark
 
-# blacklist native64 until https://github.com/RIOT-OS/riotdocker/pull/241 is resolved
-BOARD_BLACKLIST += native64
-
 include $(RIOTBASE)/Makefile.include
 
 # SDL requires more stack

tests/pkg/lvgl_touch/Makefile

@@ -17,9 +17,6 @@ USEMODULE += lvgl_extra_theme_default
 
 USEMODULE += random
 
-# blacklist native64 until https://github.com/RIOT-OS/riotdocker/pull/241 is resolved
-BOARD_BLACKLIST += native64
-
 include $(RIOTBASE)/Makefile.include
 
 # SDL requires more stack