drm_hwcomposer: Set timeouts for fence waits
Instead of waiting forever for fences, set some reasonable timeouts
so we can move on with life if a fence doesn't signal.
BUG=chrome-os-partner:45868
TEST=Tested on smaug with osmos, recovered from fence timeouts
Change-Id: I7f18d684d483d789f228cbad8d5a3e43ac898a43
Signed-off-by: Sean Paul <seanpaul@chromium.org>
diff --git a/drmdisplaycompositor.h b/drmdisplaycompositor.h
index 50109b3..4aadc68 100644
--- a/drmdisplaycompositor.h
+++ b/drmdisplaycompositor.h
@@ -51,6 +51,10 @@
private:
DrmDisplayCompositor(const DrmDisplayCompositor &) = delete;
+ // Set to 50ms which is somewhere between a reasonable amount of time to
+ // wait for a long render and a small enough delay to limit jank.
+ static const int kAcquireWaitTimeoutMs = 50;
+
int ApplyPreComposite(DrmDisplayComposition *display_comp);
int ApplyFrame(DrmDisplayComposition *display_comp);
int ApplyDpms(DrmDisplayComposition *display_comp);