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>
diff --git a/drivers/video/vidconsole-uclass.c b/drivers/video/vidconsole-uclass.c
index b5afd72..e081d5a 100644
--- a/drivers/video/vidconsole-uclass.c
+++ b/drivers/video/vidconsole-uclass.c
@@ -163,6 +163,7 @@
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 @@
for (s = argv[1]; *s; s++)
vidconsole_put_char(dev, *s);
+ video_sync(dev->parent);
+
return 0;
}