From mboxrd@z Thu Jan 1 00:00:00 1970 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=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, 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 132D3C2BA1A for ; Thu, 2 Apr 2020 14:31:26 +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 E5D232074D for ; Thu, 2 Apr 2020 14:31:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E5D232074D 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 DA3A26EA9F; Thu, 2 Apr 2020 14:31:20 +0000 (UTC) Received: from mblankhorst.nl (mblankhorst.nl [141.105.120.124]) by gabe.freedesktop.org (Postfix) with ESMTPS id BE50789755 for ; Thu, 2 Apr 2020 14:31:15 +0000 (UTC) From: Maarten Lankhorst To: intel-gfx@lists.freedesktop.org Date: Thu, 2 Apr 2020 16:31:05 +0200 Message-Id: <20200402143109.1801605-19-maarten.lankhorst@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200402143109.1801605-1-maarten.lankhorst@linux.intel.com> References: <20200402143109.1801605-1-maarten.lankhorst@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 19/23] drm/i915: Use ww pinning for intel_context_create_request() 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" We want to get rid of intel_context_pin(), convert intel_context_create_request() first. :) Signed-off-by: Maarten Lankhorst --- drivers/gpu/drm/i915/gt/intel_context.c | 20 +++++++++++++++----- 1 file changed, 15 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/i915/gt/intel_context.c b/drivers/gpu/drm/i915/gt/intel_context.c index 5c7acddf9651..f70135685552 100644 --- a/drivers/gpu/drm/i915/gt/intel_context.c +++ b/drivers/gpu/drm/i915/gt/intel_context.c @@ -450,15 +450,25 @@ int intel_context_prepare_remote_request(struct intel_context *ce, struct i915_request *intel_context_create_request(struct intel_context *ce) { + struct i915_gem_ww_ctx ww; struct i915_request *rq; int err; - err = intel_context_pin(ce); - if (unlikely(err)) - return ERR_PTR(err); + i915_gem_ww_ctx_init(&ww, true); +retry: + err = intel_context_pin_ww(ce, &ww); + if (!err) { + rq = i915_request_create(ce); + intel_context_unpin(ce); + } else if (err == -EDEADLK) { + err = i915_gem_ww_ctx_backoff(&ww); + if (!err) + goto retry; + } else { + rq = ERR_PTR(err); + } - rq = i915_request_create(ce); - intel_context_unpin(ce); + i915_gem_ww_ctx_fini(&ww); if (IS_ERR(rq)) return rq; -- 2.25.1 _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/intel-gfx