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lcd: remove '#if 0' 32-bit scroll, now memcpy does it

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Signed-off-by: Alessandro Rubini <rubini@unipv.it>
Acked-by: Andrea Gallo <andrea.gallo@stericsson.com>
This commit is contained in:
Alessandro Rubini 2009-10-10 11:51:26 +02:00 committed by Wolfgang Denk
parent e3ea948d45
commit 8c0a92c8f4
1 changed files with 0 additions and 21 deletions
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21
common/lcd.c
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@ -99,32 +99,11 @@ static int lcd_getfgcolor (void);
static void console_scrollup (void)
{
#if 1
/* Copy up rows ignoring the first one */
memcpy (CONSOLE_ROW_FIRST, CONSOLE_ROW_SECOND, CONSOLE_SCROLL_SIZE);
/* Clear the last one */
memset (CONSOLE_ROW_LAST, COLOR_MASK(lcd_color_bg), CONSOLE_ROW_SIZE);
#else
/*
* Poor attempt to optimize speed by moving "long"s.
* But the code is ugly, and not a bit faster :-(
*/
ulong *t = (ulong *)CONSOLE_ROW_FIRST;
ulong *s = (ulong *)CONSOLE_ROW_SECOND;
ulong l = CONSOLE_SCROLL_SIZE / sizeof(ulong);
uchar c = lcd_color_bg & 0xFF;
ulong val= (c<<24) | (c<<16) | (c<<8) | c;
while (l--)
*t++ = *s++;
t = (ulong *)CONSOLE_ROW_LAST;
l = CONSOLE_ROW_SIZE / sizeof(ulong);
while (l-- > 0)
*t++ = val;
#endif
}
/*----------------------------------------------------------------------*/