From patchwork Tue Mar 23 15:50:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Maarten Lankhorst X-Patchwork-Id: 12158419 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 56400C433C1 for ; Tue, 23 Mar 2021 15:52:06 +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 0A7B3619B6 for ; Tue, 23 Mar 2021 15:52:06 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0A7B3619B6 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 062156EB8A; Tue, 23 Mar 2021 15:51:32 +0000 (UTC) Received: from mblankhorst.nl (mblankhorst.nl [IPv6:2a02:2308::216:3eff:fe92:dfa3]) by gabe.freedesktop.org (Postfix) with ESMTPS id 703226EACC for ; Tue, 23 Mar 2021 15:51:17 +0000 (UTC) From: Maarten Lankhorst To: intel-gfx@lists.freedesktop.org Date: Tue, 23 Mar 2021 16:50:17 +0100 Message-Id: <20210323155059.628690-29-maarten.lankhorst@linux.intel.com> X-Mailer: git-send-email 2.31.0 In-Reply-To: <20210323155059.628690-1-maarten.lankhorst@linux.intel.com> References: <20210323155059.628690-1-maarten.lankhorst@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v9 28/70] drm/i915: Take obj lock around set_domain ioctl 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: , Cc: =?utf-8?q?Thomas_Hellstr=C3=B6m?= , dri-devel@lists.freedesktop.org Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" We need to lock the object to move it to the correct domain, add the missing lock. Signed-off-by: Maarten Lankhorst Reviewed-by: Thomas Hellström --- drivers/gpu/drm/i915/gem/i915_gem_domain.c | 41 ++++++++++------------ 1 file changed, 19 insertions(+), 22 deletions(-) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_domain.c b/drivers/gpu/drm/i915/gem/i915_gem_domain.c index 41dae0d83dbb..e3537922183b 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_domain.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_domain.c @@ -456,13 +456,7 @@ i915_gem_set_domain_ioctl(struct drm_device *dev, void *data, * userptr validity */ err = i915_gem_object_userptr_validate(obj); - if (!err) - err = i915_gem_object_wait(obj, - I915_WAIT_INTERRUPTIBLE | - I915_WAIT_PRIORITY | - (write_domain ? I915_WAIT_ALL : 0), - MAX_SCHEDULE_TIMEOUT); - goto out; + goto out_wait; } /* @@ -476,6 +470,10 @@ i915_gem_set_domain_ioctl(struct drm_device *dev, void *data, goto out; } + err = i915_gem_object_lock_interruptible(obj, NULL); + if (err) + goto out; + /* * Flush and acquire obj->pages so that we are coherent through * direct access in memory with previous cached writes through @@ -487,7 +485,7 @@ i915_gem_set_domain_ioctl(struct drm_device *dev, void *data, */ err = i915_gem_object_pin_pages(obj); if (err) - goto out; + goto out_unlock; /* * Already in the desired write domain? Nothing for us to do! @@ -500,10 +498,6 @@ i915_gem_set_domain_ioctl(struct drm_device *dev, void *data, * without having to further check the requested write_domain. */ if (READ_ONCE(obj->write_domain) == read_domains) - goto out_wait; - - err = i915_gem_object_lock_interruptible(obj, NULL); - if (err) goto out_unpin; if (read_domains & I915_GEM_DOMAIN_WC) @@ -513,19 +507,22 @@ i915_gem_set_domain_ioctl(struct drm_device *dev, void *data, else i915_gem_object_set_to_cpu_domain(obj, write_domain); - i915_gem_object_unlock(obj); +out_unpin: + i915_gem_object_unpin_pages(obj); +out_unlock: + i915_gem_object_unlock(obj); out_wait: - err = i915_gem_object_wait(obj, - I915_WAIT_INTERRUPTIBLE | - I915_WAIT_PRIORITY | - (write_domain ? I915_WAIT_ALL : 0), - MAX_SCHEDULE_TIMEOUT); - if (write_domain) - i915_gem_object_invalidate_frontbuffer(obj, ORIGIN_CPU); + if (!err) { + err = i915_gem_object_wait(obj, + I915_WAIT_INTERRUPTIBLE | + I915_WAIT_PRIORITY | + (write_domain ? I915_WAIT_ALL : 0), + MAX_SCHEDULE_TIMEOUT); + if (write_domain) + i915_gem_object_invalidate_frontbuffer(obj, ORIGIN_CPU); + } -out_unpin: - i915_gem_object_unpin_pages(obj); out: i915_gem_object_put(obj); return err;