[PATCH] drm_hwcomposer: fix check for valid fence fd for in fences

[Rob Herring <robh@xxxxxxxxxx>]

The check for a valid fence fd is inverted, so we're failing to pass
IN_FENCE_FD's to the kernel when we have a valid fence.

Reported-by: Alexandru-Cosmin Gheorghe <Alexandru-Cosmin.Gheorghe@xxxxxxx>
Signed-off-by: Rob Herring <robh@xxxxxxxxxx>
---
 drmdisplaycompositor.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drmdisplaycompositor.cpp b/drmdisplaycompositor.cpp
index 3a20b31dec99..e556e8641d79 100644
--- a/drmdisplaycompositor.cpp
+++ b/drmdisplaycompositor.cpp
@@ -589,7 +589,7 @@ int DrmDisplayCompositor::CommitFrame(DrmDisplayComposition *display_comp,
       else
         rotation |= DRM_MODE_ROTATE_0;
 
-      if (fence_fd < 0) {
+      if (fence_fd >= 0) {
         int prop_id = plane->in_fence_fd_property().id();
         if (prop_id == 0) {
                 ALOGE("Failed to get IN_FENCE_FD property id");
-- 
2.14.1

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