Use actual device DPI value

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ## Unreleased
 
-- Nothing so far
+- fix: Use actual screen DPI value to compute sizes and spaces
 
 ## 0.2.0 (2022-05-27)
 

lv_drivers

@@ -1 +1 @@
-Subproject commit 0b01584e299e9a7bb880678c33d4da6fe472fc9e
+Subproject commit dd2d9286ab33e7b0f3c1353e71c2511a57815397

lvgl

@@ -1 +1 @@
-Subproject commit d4c9ab5037aacdfdc42d44d791c492d89b57a23c
+Subproject commit eef838f51f10f72874c2914be79e09634606107e

main.c

@@ -364,7 +364,7 @@ int main(int argc, char *argv[]) {
 #if USE_FBDEV
     case UL_BACKENDS_BACKEND_FBDEV:
         fbdev_init();
-        fbdev_get_sizes(&hor_res, &ver_res);
+        fbdev_get_sizes(&hor_res, &ver_res, &dpi);
         disp_drv.flush_cb = fbdev_flush;
         break;
 #endif /* USE_FBDEV */
@@ -402,9 +402,7 @@ int main(int argc, char *argv[]) {
     disp_drv.draw_buf = &disp_buf;
     disp_drv.hor_res = hor_res;
     disp_drv.ver_res = ver_res;
-    if (dpi > 0) {
-        disp_drv.dpi = dpi;
-    }
+    disp_drv.dpi = dpi;
     lv_disp_drv_register(&disp_drv);
 
     /* Connect input devices */