From 7981394e550094bbbb2eb5e62065fa14c2ca77b0 Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Sun, 13 Nov 2016 14:22:06 -0700
Subject: [PATCH] video: Use cache-alignment in video_sync()
Sometimes the frame buffer is not a multiple of the cache line size.
Adjust the cache-flushing code to avoid cache warnings/errors in this
case.
Signed-off-by: Simon Glass <sjg@chromium.org>
---
drivers/video/video-uclass.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/video/video-uclass.c b/drivers/video/video-uclass.c
index 11ca7937dc..3036e3a1f2 100644
--- a/drivers/video/video-uclass.c
+++ b/drivers/video/video-uclass.c
@@ -117,7 +117,8 @@ void video_sync(struct udevice *vid)
if (priv->flush_dcache) {
flush_dcache_range((ulong)priv->fb,
- (ulong)priv->fb + priv->fb_size);
+ ALIGN((ulong)priv->fb + priv->fb_size,
+ CONFIG_SYS_CACHELINE_SIZE));
}
#elif defined(CONFIG_VIDEO_SANDBOX_SDL)
struct video_priv *priv = dev_get_uclass_priv(vid);
--
2.39.5