Keep the engine awake and so avoid frequent cycling in and out of
powersaving mode to eliminate the unnecessary overhead and speed up the
testing.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Matthew Auld <matthew.auld@xxxxxxxxx>
---
drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c b/drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c
index 9d3cd1af61f6..49edc51111d5 100644
--- a/drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c
+++ b/drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c
@@ -327,6 +327,7 @@ static int igt_gem_coherency(void *arg)
ctx.engine = random_engine(i915, &prng);
GEM_BUG_ON(!ctx.engine);
pr_info("%s: using %s\n", __func__, ctx.engine->name);
+ intel_engine_pm_get(ctx.engine);
for (over = igt_coherency_mode; over->name; over++) {
if (!over->set)
@@ -405,6 +406,7 @@ static int igt_gem_coherency(void *arg)
}
}
free:
+ intel_engine_pm_put(ctx.engine);
kfree(offsets);
return err;
--
2.24.0
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