From 9a8efc4604b32221ea362ea41b38d714e4b4ab7a Mon Sep 17 00:00:00 2001 From: Simon Glass Date: Tue, 30 Oct 2012 13:40:18 +0000 Subject: lcd: Add support for flushing LCD fb from dcache after update This provides an option for the LCD to flush the dcache after each update (puts, scroll or clear). Signed-off-by: Simon Glass Signed-off-by: Tom Warren --- include/lcd.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'include/lcd.h') diff --git a/include/lcd.h b/include/lcd.h index 6a600ee..8f84741 100644 --- a/include/lcd.h +++ b/include/lcd.h @@ -57,6 +57,14 @@ extern void lcd_initcolregs (void); extern struct bmp_image *gunzip_bmp(unsigned long addr, unsigned long *lenp); extern int bmp_display(ulong addr, int x, int y); +/** + * Set whether we need to flush the dcache when changing the LCD image. This + * defaults to off. + * + * @param flush non-zero to flush cache after update, 0 to skip + */ +void lcd_set_flush_dcache(int flush); + #if defined CONFIG_MPC823 /* * LCD controller stucture for MPC823 CPU -- cgit v1.1