[U-Boot] [PATCH 12/20] video: Use cache-alignment in video_sync()
Simon Glass
sjg at chromium.org
Mon Oct 31 21:39:28 CET 2016
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 at 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 11ca793..3036e3a 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);
--
2.8.0.rc3.226.g39d4020
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