[igt-dev] [PATCH igt 1/2] igt/kms_frontbuffer_tracking: Disable FBC testing for -ENODEV

Chris Wilson chris at chris-wilson.co.uk
Fri Feb 16 09:00:23 UTC 2018


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 2622952c..6c4071de 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



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