The terminal escape sequence ESC [ <x> ; <y> H is used to set the cursor
position. According to the ECMA 48 standard the upper left corner in the
escape sequences is [1, 1]. The video uclass uses [0, 0] as upper left
corner.
Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
---
drivers/video/vidconsole-uclass.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/video/vidconsole-uclass.c
b/drivers/video/vidconsole-uclass.c
index 1874887f2f3..5564cfe9930 100644
--- a/drivers/video/vidconsole-uclass.c
+++ b/drivers/video/vidconsole-uclass.c
@@ -271,6 +271,14 @@ static void vidconsole_escape_char(struct udevice *dev,
char ch)
s = parsenum(s, &row);
s++; /* ; */
s = parsenum(s, &col);
+
+ /*
+ * Video origin is [0, 0], terminal origin is [1, 1].
+ */
+ if (row)
+ --row;
+ if (col)
+ --col;
set_cursor_position(priv, row, col);
--
2.19.1
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