dm: video: Fix cache flushes

Content can come to screen via putc() and we cannot always rely on
updates ending with a puts().  This is the case with efi_console output
to vidconsole.  Fixes corruption with Shell.efi.

Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Rob Clark 2017-09-13 18:12:20 -04:00 committed by Anatolij Gustschin
parent 40f3429415
commit 889808da9b

View file

@ -163,6 +163,7 @@ static void vidconsole_putc(struct stdio_dev *sdev, const char ch)
struct udevice *dev = sdev->priv;
vidconsole_put_char(dev, ch);
video_sync(dev->parent);
}
static void vidconsole_puts(struct stdio_dev *sdev, const char *s)
@ -260,6 +261,8 @@ static int do_video_puts(cmd_tbl_t *cmdtp, int flag, int argc,
for (s = argv[1]; *s; s++)
vidconsole_put_char(dev, *s);
video_sync(dev->parent);
return 0;
}