From patchwork Fri Oct 16 10:44:38 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Maarten Lankhorst X-Patchwork-Id: 11841487 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.9 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D66E5C3815A for ; Fri, 16 Oct 2020 10:45:44 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 7C6DD2084C for ; Fri, 16 Oct 2020 10:45:44 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7C6DD2084C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.intel.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=intel-gfx-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9A8366EC3B; Fri, 16 Oct 2020 10:45:23 +0000 (UTC) Received: from mblankhorst.nl (mblankhorst.nl [IPv6:2a02:2308::216:3eff:fe92:dfa3]) by gabe.freedesktop.org (Postfix) with ESMTPS id 0FD656EAC4 for ; Fri, 16 Oct 2020 10:44:55 +0000 (UTC) From: Maarten Lankhorst To: intel-gfx@lists.freedesktop.org Date: Fri, 16 Oct 2020 12:44:38 +0200 Message-Id: <20201016104444.1492028-56-maarten.lankhorst@linux.intel.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201016104444.1492028-1-maarten.lankhorst@linux.intel.com> References: <20201016104444.1492028-1-maarten.lankhorst@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v4 55/61] drm/i915/selftests: Prepare timeline tests for obj->mm.lock removal X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" We can no longer call intel_timeline_pin with a null argument, so add a ww loop that locks the backing object. Signed-off-by: Maarten Lankhorst --- drivers/gpu/drm/i915/gt/selftest_timeline.c | 26 ++++++++++++++++++--- 1 file changed, 23 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/selftest_timeline.c b/drivers/gpu/drm/i915/gt/selftest_timeline.c index 6d6092a28e6b..cd8374780f7c 100644 --- a/drivers/gpu/drm/i915/gt/selftest_timeline.c +++ b/drivers/gpu/drm/i915/gt/selftest_timeline.c @@ -36,6 +36,26 @@ static unsigned long hwsp_cacheline(struct intel_timeline *tl) return (address + offset_in_page(tl->hwsp_offset)) / CACHELINE_BYTES; } +static int selftest_tl_pin(struct intel_timeline *tl) +{ + struct i915_gem_ww_ctx ww; + int err; + + i915_gem_ww_ctx_init(&ww, false); +retry: + err = i915_gem_object_lock(tl->hwsp_ggtt->obj, &ww); + if (!err) + err = intel_timeline_pin(tl, &ww); + + if (err == -EDEADLK) { + err = i915_gem_ww_ctx_backoff(&ww); + if (!err) + goto retry; + } + i915_gem_ww_ctx_fini(&ww); + return err; +} + #define CACHELINES_PER_PAGE (PAGE_SIZE / CACHELINE_BYTES) struct mock_hwsp_freelist { @@ -77,7 +97,7 @@ static int __mock_hwsp_timeline(struct mock_hwsp_freelist *state, if (IS_ERR(tl)) return PTR_ERR(tl); - err = intel_timeline_pin(tl, NULL); + err = selftest_tl_pin(tl); if (err) { intel_timeline_put(tl); return err; @@ -463,7 +483,7 @@ checked_tl_write(struct intel_timeline *tl, struct intel_engine_cs *engine, u32 struct i915_request *rq; int err; - err = intel_timeline_pin(tl, NULL); + err = selftest_tl_pin(tl); if (err) { rq = ERR_PTR(err); goto out; @@ -663,7 +683,7 @@ static int live_hwsp_wrap(void *arg) if (!tl->has_initial_breadcrumb) goto out_free; - err = intel_timeline_pin(tl, NULL); + err = selftest_tl_pin(tl); if (err) goto out_free;