From f9a863c2ffc17f72137fae8cac3314961dc6be24 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Fri, 29 Nov 2019 22:27:02 +0000 Subject: [PATCH] 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 Cc: Matthew Auld Reviewed-by: Matthew Auld Link: https://patchwork.freedesktop.org/patch/msgid/20191129222702.1456292-1-chris@chris-wilson.co.uk --- 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;