From patchwork Mon Jan 9 11:25:43 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Guo X-Patchwork-Id: 9504391 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 61E576071A for ; Mon, 9 Jan 2017 11:27:30 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6810D2849F for ; Mon, 9 Jan 2017 11:27:30 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 5BCE6284AA; Mon, 9 Jan 2017 11:27:30 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id EEAA52849F for ; Mon, 9 Jan 2017 11:27:29 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 1AE4F6E212; Mon, 9 Jan 2017 11:27:19 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2DB4A6E20F for ; Mon, 9 Jan 2017 11:27:11 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 48B5720379; Mon, 9 Jan 2017 11:27:10 +0000 (UTC) Received: from localhost.localdomain (li411-102.members.linode.com [106.187.91.102]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6FAE32037C; Mon, 9 Jan 2017 11:27:06 +0000 (UTC) From: Shawn Guo To: Daniel Vetter Subject: [PATCH 4/6] drm: nouveau: use crtc helper drm_crtc_from_index() Date: Mon, 9 Jan 2017 19:25:43 +0800 Message-Id: <1483961145-18453-5-git-send-email-shawnguo@kernel.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1483961145-18453-1-git-send-email-shawnguo@kernel.org> References: <1483961145-18453-1-git-send-email-shawnguo@kernel.org> X-Virus-Scanned: ClamAV using ClamSMTP Cc: Ben Skeggs , dri-devel@lists.freedesktop.org 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-Virus-Scanned: ClamAV using ClamSMTP From: Shawn Guo Use drm_crtc_from_index() to find drm_crtc for given index. Signed-off-by: Shawn Guo Cc: Ben Skeggs --- drivers/gpu/drm/nouveau/nouveau_display.c | 33 +++++++++++++++++-------------- 1 file changed, 18 insertions(+), 15 deletions(-) diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index cef08da1da4e..a0e7221d6568 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -58,27 +58,30 @@ nouveau_display_vblank_enable(struct drm_device *dev, unsigned int pipe) { struct drm_crtc *crtc; - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); - if (nv_crtc->index == pipe) { - nvif_notify_get(&nv_crtc->vblank); - return 0; - } - } - return -EINVAL; + struct nouveau_crtc *nv_crtc; + + crtc = drm_crtc_from_index(dev, pipe); + if (!crtc) + return -EINVAL; + + nv_crtc = nouveau_crtc(crtc); + nvif_notify_get(&nv_crtc->vblank); + + return 0; } void nouveau_display_vblank_disable(struct drm_device *dev, unsigned int pipe) { struct drm_crtc *crtc; - list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) { - struct nouveau_crtc *nv_crtc = nouveau_crtc(crtc); - if (nv_crtc->index == pipe) { - nvif_notify_put(&nv_crtc->vblank); - return; - } - } + struct nouveau_crtc *nv_crtc; + + crtc = drm_crtc_from_index(dev, pipe); + if (!crtc) + return; + + nv_crtc = nouveau_crtc(crtc); + nvif_notify_put(&nv_crtc->vblank); } static inline int