From patchwork Fri Apr 15 05:10:38 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dave Airlie X-Patchwork-Id: 8845001 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 7740FC0555 for ; Fri, 15 Apr 2016 05:11:19 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B83C120381 for ; Fri, 15 Apr 2016 05:11:18 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 0DDE72037F for ; Fri, 15 Apr 2016 05:11:18 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id AEA616EB87; Fri, 15 Apr 2016 05:11:06 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mx1.redhat.com (mx1.redhat.com [209.132.183.28]) by gabe.freedesktop.org (Postfix) with ESMTPS id D312A6E114 for ; Fri, 15 Apr 2016 05:10:55 +0000 (UTC) Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 8B843C01AA21 for ; Fri, 15 Apr 2016 05:10:55 +0000 (UTC) Received: from dreadlord-bne-redhat-com.bne.redhat.com (dhcp-40-179.bne.redhat.com [10.64.40.179]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u3F5AlYk005176 for ; Fri, 15 Apr 2016 01:10:54 -0400 From: Dave Airlie To: dri-devel@lists.freedesktop.org Subject: [PATCH 07/15] drm/mode: reduce scope of fb_lock in framebuffer init Date: Fri, 15 Apr 2016 15:10:38 +1000 Message-Id: <1460697046-23781-8-git-send-email-airlied@gmail.com> In-Reply-To: <1460697046-23781-1-git-send-email-airlied@gmail.com> References: <1460697046-23781-1-git-send-email-airlied@gmail.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Spam-Status: No, score=-5.2 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, FREEMAIL_FROM,RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Dave Airlie We don't need to hold the fb lock around the initialisation, only around the list manipulaton. So do the lock hold only around the register for now. Signed-off-by: Dave Airlie Reviewed-by: Daniel Vetter --- drivers/gpu/drm/drm_crtc.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 0d75517..1863879 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -458,21 +458,22 @@ int drm_framebuffer_init(struct drm_device *dev, struct drm_framebuffer *fb, { int ret; - mutex_lock(&dev->mode_config.fb_lock); INIT_LIST_HEAD(&fb->filp_head); fb->dev = dev; fb->funcs = funcs; ret = drm_mode_object_get_reg(dev, &fb->base, DRM_MODE_OBJECT_FB, - true, drm_framebuffer_free); + false, drm_framebuffer_free); if (ret) goto out; + mutex_lock(&dev->mode_config.fb_lock); dev->mode_config.num_fb++; list_add(&fb->head, &dev->mode_config.fb_list); -out: - mutex_unlock(&dev->mode_config.fb_lock); + drm_mode_object_register(dev, &fb->base); + mutex_unlock(&dev->mode_config.fb_lock); +out: return ret; } EXPORT_SYMBOL(drm_framebuffer_init);