[U-Boot] [PATCH v1 09/12] dm: video: Fix cache flushes

Rob Clark
2017-09-10T13:22:30Z

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>
---
drivers/video/vidconsole-uclass.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/video/vidconsole-uclass.c b/drivers/video/vidconsole-uclass.c
index b5afd72227..e081d5a0ee 100644
--- a/drivers/video/vidconsole-uclass.c
+++ b/drivers/video/vidconsole-uclass.c
@@ -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;
}

--
2.13.5