diff --git a/lib/efi_loader/Kconfig b/lib/efi_loader/Kconfig index b5f81e0ff53..bae98e07d23 100644 --- a/lib/efi_loader/Kconfig +++ b/lib/efi_loader/Kconfig @@ -576,6 +576,17 @@ config EFI_EBBR_2_1_CONFORMANCE help Enabling this option adds the EBBRv2.1 conformance entry to the ECPT UEFI table. +config EFI_CONSOLE_DISABLE_ANSI + bool "Disable ANSI escape sequence queries for console size" + help + Select this option to disable ANSI escape sequence queries for + detecting serial console size. When enabled, + efi_setup_console_size() will not send ANSI escape sequences to + the terminal and will use default 25x80 dimensions instead. + This is useful for platforms where the serial console cannot + properly handle ANSI queries, causing boot delays or garbled + output. + config EFI_SCROLL_ON_CLEAR_SCREEN bool "Avoid overwriting previous output on clear screen" help diff --git a/lib/efi_loader/efi_console.c b/lib/efi_loader/efi_console.c index 068d1a0a7b7..a798d5604a3 100644 --- a/lib/efi_loader/efi_console.c +++ b/lib/efi_loader/efi_console.c @@ -365,6 +365,9 @@ void efi_setup_console_size(void) int rows = 25, cols = 80; int ret = -ENODEV; + if (IS_ENABLED(CONFIG_EFI_CONSOLE_DISABLE_ANSI)) + efi_console_set_ansi(false); + if (IS_ENABLED(CONFIG_VIDEO)) ret = query_vidconsole(&rows, &cols); if (ret) {