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 <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
This commit is contained in:
Simon Glass 2012-10-30 13:40:18 +00:00 committed by Tom Warren
parent 676d319ef5
commit 9a8efc4604
3 changed files with 57 additions and 9 deletions

View file

@ -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