diff options
| author | Simon Glass <sjg@chromium.org> | 2012-10-30 13:40:18 +0000 |
|---|---|---|
| committer | Tom Warren <twarren@nvidia.com> | 2012-11-19 08:15:38 -0700 |
| commit | 9a8efc4604b32221ea362ea41b38d714e4b4ab7a (patch) | |
| tree | 6aa7d8e12f1c62a602188b69132405395de7b70b /include/lcd.h | |
| parent | 676d319ef5f450ca7845555f75de496b96cd688e (diff) | |
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>
Diffstat (limited to 'include/lcd.h')
| -rw-r--r-- | include/lcd.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/lcd.h b/include/lcd.h index 6a600eece4..8f84741961 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 |