feat(display): allow configuration of display task stack size

* Update display API to support configuring task stack size
* Reduced default stack size from 8192 to 4096 since task monitor showed >4k unused stack

components/display/include/display.hpp

@@ -57,6 +57,8 @@ class Display {
     gpio_num_t backlight_pin; /**< GPIO pin for the backlight. */
     bool backlight_on_value{
         true}; /**< Value to write to the backlight pin to turn the backlight on. */
+    size_t stack_size_bytes{
+        4096}; /**< Size of the display task stack in bytes. */
     std::chrono::duration<float> update_period{
         0.01}; /**< How frequently to run the update function. */
     bool double_buffered{
@@ -85,6 +87,8 @@ class Display {
     gpio_num_t backlight_pin; /**< GPIO pin for the backlight. */
     bool backlight_on_value{
         true}; /**< Value to write to the backlight pin to turn the backlight on. */
+    size_t stack_size_bytes{
+        4096}; /**< Size of the display task stack in bytes. */
     std::chrono::duration<float> update_period{
         0.01};                              /**< How frequently to run the update function. */
     Rotation rotation{Rotation::LANDSCAPE}; /**< Default / Initial rotation of the display. */
@@ -122,7 +126,7 @@ class Display {
       assert(vram_1_ != NULL);
     }
     created_vram_ = true;
-    init(config.flush_callback, config.software_rotation_enabled, config.rotation);
+    init(config.flush_callback, config.software_rotation_enabled, config.rotation, config.stack_size_bytes);
     set_brightness(1.0f);
   }
 
@@ -146,7 +150,7 @@ class Display {
         update_period_(config.update_period),
         logger_({.tag = "Display", .level = config.log_level}) {
     logger_.debug("Initializing with non-allocating config!");
-    init(config.flush_callback, config.software_rotation_enabled, config.rotation);
+    init(config.flush_callback, config.software_rotation_enabled, config.rotation, config.stack_size_bytes);
   }
 
   /**
@@ -252,8 +256,9 @@ class Display {
    * @param sw_rotation_enabled Whether to use software roation (slower) or
    *        not.
    * @param rotation Default / initial rotation of the display.
+   * @param stack_size_bytes Size of the task stack in bytes.
    */
-  void init(flush_fn flush_callback, bool sw_rotation_enabled, Rotation rotation) {
+  void init(flush_fn flush_callback, bool sw_rotation_enabled, Rotation rotation, size_t stack_size_bytes = 4096) {
     lv_init();
 
     // Configure the LVGL display buffer with our pixel buffers
@@ -275,7 +280,7 @@ class Display {
     task_ = Task::make_unique({
         .name = "Display",
         .callback = std::bind(&Display::update, this, _1, _2),
-        .stack_size_bytes = 4096 * 2,
+        .stack_size_bytes = stack_size_bytes,
         .priority = 20,
         .core_id = 0, // pin it to a core for maximum speed
     });