video: Enable VIDEO_ANSI by default only with EFI

This is not generally needed unless EFI_LOADER is used. Adjust the default
setting to reduce the size of the U-Boot build.

Signed-off-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig
index f539977d9b73a2b5a93faed629167df220138532..440b161b84237852d8c3f78ef5681e005a340642 100644 (file)
--- a/drivers/video/Kconfig
+++ b/drivers/video/Kconfig
@@ -112,10 +112,13 @@ config VIDEO_BPP32
 
 config VIDEO_ANSI
        bool "Support ANSI escape sequences in video console"
-       default y
+       default y if EFI_LOADER
        help
          Enable ANSI escape sequence decoding for a more fully functional
-         console.
+         console. Functionality includes changing the text colour and moving
+         the cursor. These date from the 1970s and are still widely used today
+         to control a text terminal. U-Boot implements these by decoding the
+         sequences and performing the appropriate operation.
 
 config VIDEO_MIPI_DSI
        bool "Support MIPI DSI interface"