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video: Correct setting of cursor position

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The ANSI codes are not correctly handled at present, in that the
requested X position is added to the current one.

Correct this and also call vidconsole_entry_start() to start a new text
line.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Anatolij Gustschin <agust@denx.de>
This commit is contained in:
Simon Glass
2024-01-04 08:10:37 -07:00
committed by Tom Rini
parent 3e47f299b9
commit 9e95e909f6
1 changed files with 8 additions and 7 deletions
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15
drivers/video/vidconsole-uclass.c
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@@ -125,6 +125,7 @@ void vidconsole_set_cursor_pos(struct udevice *dev, int x, int y)
priv->xcur_frac = VID_TO_POS(x);
priv->xstart_frac = priv->xcur_frac;
priv->ycur = y;
vidconsole_entry_start(dev);
}
/**
@@ -134,8 +135,10 @@ void vidconsole_set_cursor_pos(struct udevice *dev, int x, int y)
* @row: new row
* @col: new column
*/
static void set_cursor_position(struct vidconsole_priv *priv, int row, int col)
static void set_cursor_position(struct udevice *dev, int row, int col)
{
struct vidconsole_priv *priv = dev_get_uclass_priv(dev);
/*
* Ensure we stay in the bounds of the screen.
*/
@@ -144,9 +147,7 @@ static void set_cursor_position(struct vidconsole_priv *priv, int row, int col)
if (col >= priv->cols)
col = priv->cols - 1;
priv->ycur = row * priv->y_charsize;
priv->xcur_frac = priv->xstart_frac +
VID_TO_POS(col * priv->x_charsize);
vidconsole_position_cursor(dev, col, row);
}
/**
@@ -193,7 +194,7 @@ static void vidconsole_escape_char(struct udevice *dev, char ch)
int row = priv->row_saved;
int col = priv->col_saved;
set_cursor_position(priv, row, col);
set_cursor_position(dev, row, col);
priv->escape = 0;
return;
}
@@ -255,7 +256,7 @@ static void vidconsole_escape_char(struct udevice *dev, char ch)
if (row < 0)
row = 0;
/* Right and bottom overflows are handled in the callee. */
set_cursor_position(priv, row, col);
set_cursor_position(dev, row, col);
break;
}
case 'H':
@@ -279,7 +280,7 @@ static void vidconsole_escape_char(struct udevice *dev, char ch)
if (col)
--col;
set_cursor_position(priv, row, col);
set_cursor_position(dev, row, col);
break;
}