From 62b1522cc3217e75478b607562c678b052d9179a Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Tue, 28 Jul 2020 16:33:25 +0100 Subject: [PATCH] drm/i915/selftests: Flush the active barriers before asserting MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Before we peek at the barrier status for an assert, first serialise with its callbacks so that we see a stable value. Signed-off-by: Chris Wilson Reviewed-by: Thomas Hellström Link: https://patchwork.freedesktop.org/patch/msgid/20200728153325.28351-1-chris@chris-wilson.co.uk Signed-off-by: Rodrigo Vivi Signed-off-by: Joonas Lahtinen --- drivers/gpu/drm/i915/gt/selftest_context.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/selftest_context.c b/drivers/gpu/drm/i915/gt/selftest_context.c index 52af1cee9a94..1f4020e906a8 100644 --- a/drivers/gpu/drm/i915/gt/selftest_context.c +++ b/drivers/gpu/drm/i915/gt/selftest_context.c @@ -68,6 +68,8 @@ static int context_sync(struct intel_context *ce) } while (!err); mutex_unlock(&tl->mutex); + /* Wait for all barriers to complete (remote CPU) before we check */ + i915_active_unlock_wait(&ce->active); return err; } -- 2.34.1