From patchwork Fri Nov 2 11:30:47 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Imre Deak X-Patchwork-Id: 1688081 Return-Path: X-Original-To: patchwork-dri-devel@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by patchwork2.kernel.org (Postfix) with ESMTP id 3BD1BDF2A2 for ; Fri, 2 Nov 2012 11:32:52 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 313269EFF9 for ; Fri, 2 Nov 2012 04:32:52 -0700 (PDT) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga03.intel.com (mga03.intel.com [143.182.124.21]) by gabe.freedesktop.org (Postfix) with ESMTP id A41669E7EE; Fri, 2 Nov 2012 04:30:56 -0700 (PDT) Received: from azsmga001.ch.intel.com ([10.2.17.19]) by azsmga101.ch.intel.com with ESMTP; 02 Nov 2012 04:30:56 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.80,699,1344236400"; d="scan'208";a="212661809" Received: from ideak-desk.fi.intel.com (HELO localhost) ([10.237.72.98]) by azsmga001.ch.intel.com with ESMTP; 02 Nov 2012 04:30:54 -0700 From: Imre Deak To: Inki Dae , Rob Clark , Daniel Vetter Subject: [PATCH v2 1/4] drm/exynos: hold event_lock while accessing pageflip_event_list Date: Fri, 2 Nov 2012 13:30:47 +0200 Message-Id: <1351855850-6577-2-git-send-email-imre.deak@intel.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1351855850-6577-1-git-send-email-imre.deak@intel.com> References: <1351855850-6577-1-git-send-email-imre.deak@intel.com> In-Reply-To: <1351721019-8040-1-git-send-email-imre.deak@intel.com> References: <1351721019-8040-1-git-send-email-imre.deak@intel.com> Cc: intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org Errors-To: dri-devel-bounces+patchwork-dri-devel=patchwork.kernel.org@lists.freedesktop.org Signed-off-by: Imre Deak --- drivers/gpu/drm/exynos/exynos_drm_crtc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index fce245f..2efa4b0 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -236,16 +236,21 @@ static int exynos_drm_crtc_page_flip(struct drm_crtc *crtc, goto out; } + spin_lock_irq(&dev->event_lock); list_add_tail(&event->base.link, &dev_priv->pageflip_event_list); + spin_unlock_irq(&dev->event_lock); crtc->fb = fb; ret = exynos_drm_crtc_mode_set_base(crtc, crtc->x, crtc->y, NULL); if (ret) { crtc->fb = old_fb; + + spin_lock_irq(&dev->event_lock); drm_vblank_put(dev, exynos_crtc->pipe); list_del(&event->base.link); + spin_unlock_irq(&dev->event_lock); goto out; }