We don't expect to be able to open the I915_SAMPLE_SEMA on gen5 and
earlier as the HW doesn't support semaphores.

Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
 tests/perf_pmu.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/tests/perf_pmu.c b/tests/perf_pmu.c
index a27a8a81e..c7f87d52f 100644
--- a/tests/perf_pmu.c
+++ b/tests/perf_pmu.c
@@ -74,13 +74,19 @@ static void
 init(int gem_fd, const struct intel_execution_engine2 *e, uint8_t sample)
 {
        int fd, err = 0;
+       bool exists;
 
        errno = 0;
        fd = perf_i915_open(__I915_PMU_ENGINE(e->class, e->instance, sample));
        if (fd < 0)
                err = errno;
 
-       if (gem_has_engine(gem_fd, e->class, e->instance)) {
+       exists = gem_has_engine(gem_fd, e->class, e->instance);
+       if (intel_gen(intel_get_drm_devid(gem_fd)) < 6 &&
+           sample == I915_SAMPLE_SEMA)
+               exists = false;
+
+       if (exists) {
                igt_assert_eq(err, 0);
                igt_assert_fd(fd);
                close(fd);
-- 
2.16.1

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