[PATCH 4/5] sandbox: Slow down the LCD sync rate

Simon Glass sjg at chromium.org
Mon Feb 28 23:13:48 CET 2022


There is seldom a need to refresh at 100Hz and it uses a lot of CPU.
Reduce the rate to 10Hz which seems to be adequate.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 drivers/video/video-uclass.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/video-uclass.c b/drivers/video/video-uclass.c
index 7d499bcec5..5215114b2d 100644
--- a/drivers/video/video-uclass.c
+++ b/drivers/video/video-uclass.c
@@ -204,7 +204,7 @@ int video_sync(struct udevice *vid, bool force)
 	struct video_priv *priv = dev_get_uclass_priv(vid);
 	static ulong last_sync;
 
-	if (force || get_timer(last_sync) > 10) {
+	if (force || get_timer(last_sync) > 100) {
 		sandbox_sdl_sync(priv->fb);
 		last_sync = get_timer(0);
 	}
-- 
2.35.1.574.g5d30c73bfb-goog



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