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-rw-r--r--tests/kms_frontbuffer_tracking.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/tests/kms_frontbuffer_tracking.c b/tests/kms_frontbuffer_tracking.c
index 57ae047b..1483c228 100644
--- a/tests/kms_frontbuffer_tracking.c
+++ b/tests/kms_frontbuffer_tracking.c
@@ -1638,6 +1638,9 @@ static bool psr_sink_has_support(void)
char buf[256];
debugfs_read("i915_edp_psr_status", buf);
+ if (*buf == '\0') /* !HAS_PSR -> -ENODEV*/
+ return false;
+
return strstr(buf, "Sink_Support: yes\n");
}