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-rw-r--r--tests/kms_fbcon_fbt.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/tests/kms_fbcon_fbt.c b/tests/kms_fbcon_fbt.c
index 1b236f8b..b01c769c 100644
--- a/tests/kms_fbcon_fbt.c
+++ b/tests/kms_fbcon_fbt.c
@@ -165,6 +165,9 @@ static bool psr_supported_on_chipset(int fd)
char buf[256];
igt_debugfs_read(fd, "i915_edp_psr_status", buf);
+ if (*buf == '\0') /* !HAS_PSR -> -ENODEV*/
+ return false;
+
return strstr(buf, "Sink_Support: yes\n");
}