From patchwork Thu Jul 12 10:58:30 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Chris Wilson X-Patchwork-Id: 10521447 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 0FED86032C for ; Thu, 12 Jul 2018 10:58:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id EF01F2925F for ; Thu, 12 Jul 2018 10:58:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D8A7129271; Thu, 12 Jul 2018 10:58:46 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 9D2572925F for ; Thu, 12 Jul 2018 10:58:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 00CF36EF5A; Thu, 12 Jul 2018 10:58:46 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from fireflyinternet.com (mail.fireflyinternet.com [109.228.58.192]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8ECF86EF5A for ; Thu, 12 Jul 2018 10:58:44 +0000 (UTC) X-Default-Received-SPF: pass (skip=forwardok (res=PASS)) x-ip-name=78.156.65.138; Received: from haswell.alporthouse.com (unverified [78.156.65.138]) by fireflyinternet.com (Firefly Internet (M1)) with ESMTP id 12330382-1500050 for multiple; Thu, 12 Jul 2018 11:58:23 +0100 From: Chris Wilson To: intel-gfx@lists.freedesktop.org Date: Thu, 12 Jul 2018 11:58:30 +0100 Message-Id: <20180712105830.20390-1-chris@chris-wilson.co.uk> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH] drm/i915/guc: Skip cleaning up the doorbells on error-before-allocate X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 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" X-Virus-Scanned: ClamAV using ClamSMTP If we fail the module load, we may try and cleanup before we even allocate the GuC clients. KISS in order to try and re-enable drv_module_reload for BAT. Testcase: igt/drv_module_reload/basic-reload-inject Signed-off-by: Chris Wilson Cc: Michał Winiarski Cc: Michal Wajdeczko Reviewed-by: Michał Winiarski --- drivers/gpu/drm/i915/intel_guc_submission.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_guc_submission.c b/drivers/gpu/drm/i915/intel_guc_submission.c index 3952656f4c9a..cd51be8ff025 100644 --- a/drivers/gpu/drm/i915/intel_guc_submission.c +++ b/drivers/gpu/drm/i915/intel_guc_submission.c @@ -910,8 +910,12 @@ static void guc_clients_doorbell_fini(struct intel_guc *guc) __update_doorbell_desc(guc->preempt_client, GUC_DOORBELL_INVALID); } - __destroy_doorbell(guc->execbuf_client); - __update_doorbell_desc(guc->execbuf_client, GUC_DOORBELL_INVALID); + + if (guc->execbuf_client) { + __destroy_doorbell(guc->execbuf_client); + __update_doorbell_desc(guc->execbuf_client, + GUC_DOORBELL_INVALID); + } } /**