From patchwork Thu May 11 08:20:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Luca Coelho X-Patchwork-Id: 13237661 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id CC61DC77B7C for ; Thu, 11 May 2023 08:20:41 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CBAC510E5D6; Thu, 11 May 2023 08:20:39 +0000 (UTC) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id 15FE210E244 for ; Thu, 11 May 2023 08:20:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1683793234; x=1715329234; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=wC6ursTuNTRiiIqEaWAllf7wwUeb0Gq/ZXgyBrmQzH0=; b=nQuj7aO8lFNIbmPLmm7erRDg+h/RAufxK7kJMwPXC+qVZP0A5KMbUvs6 fxwAz+yn+zvkFPEzH7lZEEZfip6EFMwoWRjWwQ3GY7O+eKXIEGIaRa5EE gFTzY1t9KxyE6Sr5ns2IotRnjrYfEvWnSfxrHRkK3EOaf78hWeQ7PkFmS b8VnVmxR933M9uEjBIn2KI23ClS3oxONz/abFadXS3sP36bol/aQAhdHW MnFUKqQJsvMNvr9tNBiRxs/vW2ffq0nh1U6Ck5ojFHuCeYEgqUDoX/qh7 gIAJqQSqmbbZBFaQRdz4F5c5Iw8zpRxSWlfcEhe4V56pIFp+GuVdXY8Zo g==; X-IronPort-AV: E=McAfee;i="6600,9927,10706"; a="350465859" X-IronPort-AV: E=Sophos;i="5.99,266,1677571200"; d="scan'208";a="350465859" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2023 01:20:33 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10706"; a="699624947" X-IronPort-AV: E=Sophos;i="5.99,266,1677571200"; d="scan'208";a="699624947" Received: from okozlyk-mobl.ger.corp.intel.com (HELO hazy.ger.corp.intel.com) ([10.251.218.243]) by orsmga002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 May 2023 01:20:32 -0700 From: Luca Coelho To: intel-gfx@lists.freedesktop.org Date: Thu, 11 May 2023 11:20:13 +0300 Message-Id: <20230511082013.1313484-4-luciano.coelho@intel.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230511082013.1313484-1-luciano.coelho@intel.com> References: <20230511082013.1313484-1-luciano.coelho@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 3/3] drm/i915/selftests: add local workqueue for SW fence selftest 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" Instead of using a global workqueue for the SW fence selftest, allocate a separate one temporarily only while running the test. Cc: Tetsuo Handa Cc: Tvrtko Ursulin Cc: Jani Nikula Cc: Ville Syrjälä Signed-off-by: Luca Coelho --- drivers/gpu/drm/i915/selftests/i915_sw_fence.c | 16 +++++++++++++--- 1 file changed, 13 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/selftests/i915_sw_fence.c b/drivers/gpu/drm/i915/selftests/i915_sw_fence.c index daa985e5a19b..8f5ce71fa453 100644 --- a/drivers/gpu/drm/i915/selftests/i915_sw_fence.c +++ b/drivers/gpu/drm/i915/selftests/i915_sw_fence.c @@ -523,12 +523,19 @@ static void task_ipc(struct work_struct *work) static int test_ipc(void *arg) { struct task_ipc ipc; + struct workqueue_struct *wq; int ret = 0; + wq = alloc_workqueue("i1915-selftest", 0, 0); + if (wq == NULL) + return -ENOMEM; + /* Test use of i915_sw_fence as an interprocess signaling mechanism */ ipc.in = alloc_fence(); - if (!ipc.in) - return -ENOMEM; + if (!ipc.in) { + ret = -ENOMEM; + goto err_work; + } ipc.out = alloc_fence(); if (!ipc.out) { ret = -ENOMEM; @@ -540,7 +547,7 @@ static int test_ipc(void *arg) ipc.value = 0; INIT_WORK_ONSTACK(&ipc.work, task_ipc); - schedule_work(&ipc.work); + queue_work(wq, &ipc.work); wait_for_completion(&ipc.started); @@ -563,6 +570,9 @@ static int test_ipc(void *arg) free_fence(ipc.out); err_in: free_fence(ipc.in); +err_work: + destroy_workqueue(wq); + return ret; }