Commit f9a863c2 authored Nov 29, 2019 by Chris Wilson

drm/i915/selftests: Keep engine awake during live_coherency



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@chris-wilson.co.uk>
Cc: Matthew Auld <matthew.auld@intel.com>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191129222702.1456292-1-chris@chris-wilson.co.uk

parent 97c16353

drivers/gpu/drm/i915/gem/selftests/i915_gem_coherency.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -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;

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