fix(core): add fade-in to boot stage 2 screen if backlight was reset

[no changelog]

core/embed/io/display/inc/io/display.h

@@ -44,8 +44,6 @@
 // MIPI            -
 //                 - STM32U5A9J-DK Discovery Board
 
-#ifdef KERNEL_MODE
-
 // Specifies how display content should be handled during
 // initialization or deinitialization.
 typedef enum {
@@ -55,6 +53,8 @@ typedef enum {
   DISPLAY_RETAIN_CONTENT
 } display_content_mode_t;
 
+#ifdef KERNEL_MODE
+
 // Initializes the display controller.
 //
 // If `mode` is `DISPLAY_RETAIN_CONTENT`, ensure the driver was previously

core/embed/projects/firmware/main.c

@@ -17,6 +17,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <trezor_model.h>
 #include <trezor_rtl.h>
 
 #include "py/builtin.h"
@@ -32,6 +33,7 @@
 #include "ports/stm32/gccollect.h"
 #include "ports/stm32/pendsv.h"
 
+#include <io/display.h>
 #include <sys/linker_utils.h>
 #include <sys/systask.h>
 #include <sys/system.h>
@@ -49,7 +51,7 @@ int main(uint32_t cmd, void *arg) {
     system_exit(0);
   }
 
-  screen_boot_stage_2();
+  screen_boot_stage_2(DISPLAY_JUMP_BEHAVIOR == DISPLAY_RESET_CONTENT);
 
 #ifdef USE_SECP256K1_ZKP
   ensure(sectrue * (zkp_context_init() == 0), NULL);

core/embed/rust/rust_ui_common.h

@@ -3,7 +3,7 @@
 void display_rsod_rust(const char* title, const char* message,
                        const char* footer);
 
-void screen_boot_stage_2(void);
+void screen_boot_stage_2(bool fade_in);
 
 void display_image(int16_t x, int16_t y, const uint8_t* data, uint32_t datalen);
 void display_icon(int16_t x, int16_t y, const uint8_t* data, uint32_t datalen,

core/embed/rust/src/ui/api/common_c.rs

@@ -29,6 +29,6 @@ extern "C" fn display_rsod_rust(
 }
 
 #[no_mangle]
-extern "C" fn screen_boot_stage_2() {
-    ModelUI::screen_boot_stage_2();
+extern "C" fn screen_boot_stage_2(fade_in: bool) {
+    ModelUI::screen_boot_stage_2(fade_in);
 }

core/embed/rust/src/ui/layout_bolt/mod.rs

@@ -68,8 +68,8 @@ impl CommonUI for UIBolt {
         show(&mut frame, false);
     }
 
-    fn screen_boot_stage_2() {
+    fn screen_boot_stage_2(fade_in: bool) {
         let mut frame = WelcomeScreen::new(false);
-        show(&mut frame, false);
+        show(&mut frame, fade_in);
     }
 }

core/embed/rust/src/ui/layout_caesar/mod.rs

@@ -23,7 +23,7 @@ impl CommonUI for UICaesar {
         screens::screen_fatal_error(title, msg, footer);
     }
 
-    fn screen_boot_stage_2() {
-        screens::screen_boot_stage_2();
+    fn screen_boot_stage_2(fade_in: bool) {
+        screens::screen_boot_stage_2(fade_in);
     }
 }

core/embed/rust/src/ui/layout_caesar/screens.rs

@@ -18,7 +18,7 @@ pub fn screen_fatal_error(title: &str, msg: &str, footer: &str) {
     display::refresh();
 }
 
-pub fn screen_boot_stage_2() {
+pub fn screen_boot_stage_2(_fade_in: bool) {
     let mut frame = WelcomeScreen::new(false);
     frame.place(screen());
 

core/embed/rust/src/ui/layout_delizia/mod.rs

@@ -65,7 +65,7 @@ impl CommonUI for UIDelizia {
         screens::screen_fatal_error(title, msg, footer);
     }
 
-    fn screen_boot_stage_2() {
-        screens::screen_boot_stage_2();
+    fn screen_boot_stage_2(fade_in: bool) {
+        screens::screen_boot_stage_2(fade_in);
     }
 }

core/embed/rust/src/ui/layout_delizia/screens.rs

@@ -18,7 +18,7 @@ pub fn screen_fatal_error(title: &str, msg: &str, footer: &str) {
     display::refresh();
 }
 
-pub fn screen_boot_stage_2() {
+pub fn screen_boot_stage_2(_fade_in: bool) {
     let mut frame = WelcomeScreen::new();
     frame.place(screen());
 

core/embed/rust/src/ui/ui_common.rs

@@ -25,5 +25,5 @@ pub trait CommonUI {
 
     fn screen_fatal_error(title: &str, msg: &str, footer: &str);
 
-    fn screen_boot_stage_2();
+    fn screen_boot_stage_2(fade_in: bool);
 }