From patchwork Tue Mar 3 13:21:55 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ander Conselvan de Oliveira X-Patchwork-Id: 5922551 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 1CDCE9F318 for ; Tue, 3 Mar 2015 13:22:34 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 23E3E20142 for ; Tue, 3 Mar 2015 13:22:33 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 68D49202B4 for ; Tue, 3 Mar 2015 13:22:28 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 9D5056E5A2; Tue, 3 Mar 2015 05:22:27 -0800 (PST) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id C4A056E5A1 for ; Tue, 3 Mar 2015 05:22:26 -0800 (PST) Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga101.jf.intel.com with ESMTP; 03 Mar 2015 05:22:26 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,681,1418112000"; d="scan'208";a="535388603" Received: from linux.intel.com ([10.23.219.25]) by orsmga003.jf.intel.com with ESMTP; 03 Mar 2015 05:22:25 -0800 Received: from localhost (aconselv-mobl3.fi.intel.com [10.237.72.152]) by linux.intel.com (Postfix) with ESMTP id 9E3D86A408D; Tue, 3 Mar 2015 05:22:11 -0800 (PST) From: Ander Conselvan de Oliveira To: intel-gfx@lists.freedesktop.org Date: Tue, 3 Mar 2015 15:21:55 +0200 Message-Id: <1425388937-1247-2-git-send-email-ander.conselvan.de.oliveira@intel.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1425388937-1247-1-git-send-email-ander.conselvan.de.oliveira@intel.com> References: <1425388937-1247-1-git-send-email-ander.conselvan.de.oliveira@intel.com> Cc: Ander Conselvan de Oliveira Subject: [Intel-gfx] [PATCH 01/23] drm/i915: Set crtc backpointer when duplicating crtc state X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_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 In the path were there is no state to duplicate, the allocated crtc state wouldn't have the crtc backpointer initialized. Signed-off-by: Ander Conselvan de Oliveira --- drivers/gpu/drm/i915/intel_atomic.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_atomic.c b/drivers/gpu/drm/i915/intel_atomic.c index 011b896..3903b90 100644 --- a/drivers/gpu/drm/i915/intel_atomic.c +++ b/drivers/gpu/drm/i915/intel_atomic.c @@ -214,12 +214,18 @@ struct drm_crtc_state * intel_crtc_duplicate_state(struct drm_crtc *crtc) { struct intel_crtc *intel_crtc = to_intel_crtc(crtc); + struct intel_crtc_state *crtc_state; if (WARN_ON(!intel_crtc->config)) - return kzalloc(sizeof(*intel_crtc->config), GFP_KERNEL); + crtc_state = kzalloc(sizeof(*crtc_state), GFP_KERNEL); + else + crtc_state = kmemdup(intel_crtc->config, + sizeof(*intel_crtc->config), GFP_KERNEL); - return kmemdup(intel_crtc->config, sizeof(*intel_crtc->config), - GFP_KERNEL); + if (crtc_state) + crtc_state->base.crtc = crtc; + + return &crtc_state->base; } /**