embed: don't sync in display_refresh when using GC9307

6 years ago · f1dc43f951
parent e7a74ccfee
commit f1dc43f951
1 changed files with 2 additions and 0 deletions
--- a/embed/extmod/modtrezorui/display-stm32.h
+++ b/embed/extmod/modtrezorui/display-stm32.h
@ -332,9 +332,11 @@ void display_init(void)

 void display_refresh(void)
 {
+#if ! DISPLAY_GC9307
    // synchronize with the panel synchronization signal in order to avoid visual tearing effects
    while (GPIO_PIN_RESET == HAL_GPIO_ReadPin(GPIOD, GPIO_PIN_12)) { }
    while (GPIO_PIN_SET == HAL_GPIO_ReadPin(GPIOD, GPIO_PIN_12)) { }
+#endif
 }

 void display_save(const char *prefix)