feat(core/bootloader): remove different logo color when firmware present

core/embed/bootloader/bootui.c

@@ -205,9 +205,7 @@ void ui_screen_done(uint8_t restart_seconds, secbool full_redraw) {
   screen_install_success(str, initial_setup, full_redraw);
 }
 
-void ui_screen_boot_empty(bool firmware_present, bool fading) {
-  screen_boot_empty(firmware_present, fading);
-}
+void ui_screen_boot_empty(bool fading) { screen_boot_empty(fading); }
 
 // error UI
 void ui_screen_fail(void) { screen_install_fail(); }

core/embed/bootloader/bootui.h

@@ -66,7 +66,7 @@ void ui_fadein(void);
 void ui_fadeout(void);
 void ui_set_initial_setup(bool initial);
 
-void ui_screen_boot_empty(bool firmware_present, bool fading);
+void ui_screen_boot_empty(bool fading);
 
 // clang-format off
 #define INPUT_CANCEL 0x01        // Cancel button

core/embed/bootloader/main.c

@@ -195,7 +195,7 @@ static usb_result_t bootloader_usb_loop(const vendor_header *const vhdr,
           hal_delay(1000);
           usb_stop();
           usb_deinit();
-          ui_screen_boot_empty(true, true);
+          ui_screen_boot_empty(true);
           return CONTINUE;
         }
         break;
@@ -320,7 +320,7 @@ int bootloader_main(void) {
   display_set_little_endian();
 #endif
 
-  ui_screen_boot_empty(firmware_present == sectrue, false);
+  ui_screen_boot_empty(false);
 
 #ifdef USE_TOUCH
   touch_power_on();
@@ -419,7 +419,7 @@ int bootloader_main(void) {
             screen = SCREEN_INTRO;
           }
           if (ui_result == 2) {  // reboot
-            ui_screen_boot_empty(true, true);
+            ui_screen_boot_empty(true);
             continue_to_firmware = true;
           }
           if (ui_result == 3) {  // wipe

core/embed/rust/rust_ui.h

@@ -28,4 +28,4 @@ uint32_t screen_install_success(const char* reboot_msg, bool initial_setup,
 uint32_t screen_install_fail(void);
 void screen_welcome_model(void);
 void screen_welcome(void);
-void screen_boot_empty(bool firmware_present, bool fading);
+void screen_boot_empty(bool fading);

core/embed/rust/src/ui/model_tt/bootloader/mod.rs

@@ -37,9 +37,7 @@ use crate::{
                 welcome::Welcome,
             },
             component::{Button, ResultScreen},
-            theme::{
-                BACKLIGHT_DIM, BACKLIGHT_NORMAL, BLACK, FG, GREY_DARK, TEXT_ERROR_HIGHLIGHT, WHITE,
-            },
+            theme::{BACKLIGHT_DIM, BACKLIGHT_NORMAL, BLACK, FG, TEXT_ERROR_HIGHLIGHT, WHITE},
         },
         util::{from_c_array, from_c_str},
     },
@@ -391,17 +389,14 @@ extern "C" fn screen_wipe_fail() {
 }
 
 #[no_mangle]
-extern "C" fn screen_boot_empty(firmware_present: bool, fading: bool) {
+extern "C" fn screen_boot_empty(fading: bool) {
     if fading {
         fadeout();
     }
 
-    let fg = if firmware_present { GREY_DARK } else { WHITE };
-    let bg = if firmware_present {
-        BLACK
-    } else {
-        WELCOME_COLOR
-    };
+    let fg = WHITE;
+    let bg = BLACK;
+
     display::rect_fill(constant::screen(), bg);
     let icon = Icon::new(LOGO_EMPTY);
     icon.draw(Point::new(screen().center().x, 48), TOP_CENTER, fg, bg);