[igt-dev] [PATCH igt] igt/kms_frontbuffer_tracking: Disable FBC testing for -ENODEV

[Chris Wilson]

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
 tests/kms_frontbuffer_tracking.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tests/kms_frontbuffer_tracking.c b/tests/kms_frontbuffer_tracking.c
index 602707f98..6d3fe8d02 100644
--- a/tests/kms_frontbuffer_tracking.c
+++ b/tests/kms_frontbuffer_tracking.c
@@ -1588,6 +1588,9 @@ static bool fbc_supported_on_chipset(void)
 	char buf[128];
 
 	debugfs_read("i915_fbc_status", buf);
+	if (*buf == '\0')
+		return false;
+
 	return !strstr(buf, "FBC unsupported on this chipset\n");
 }
 
-- 
2.16.1