From patchwork Fri Jun 2 10:10:06 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chen-Yu Tsai X-Patchwork-Id: 9762141 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 44F5560365 for ; Fri, 2 Jun 2017 10:10:57 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 45D2028323 for ; Fri, 2 Jun 2017 10:10:57 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3AC6728544; Fri, 2 Jun 2017 10:10:57 +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=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C81572850E for ; Fri, 2 Jun 2017 10:10:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751220AbdFBKKy (ORCPT ); Fri, 2 Jun 2017 06:10:54 -0400 Received: from mirror2.csie.ntu.edu.tw ([140.112.30.76]:51890 "EHLO wens.csie.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751263AbdFBKKg (ORCPT ); Fri, 2 Jun 2017 06:10:36 -0400 Received: by wens.csie.org (Postfix, from userid 1000) id 9C69C5FDF5; Fri, 2 Jun 2017 18:10:32 +0800 (CST) From: Chen-Yu Tsai To: Maxime Ripard , David Airlie , Rob Herring , Michael Turquette , Stephen Boyd Cc: Chen-Yu Tsai , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-clk@vger.kernel.org, linux-sunxi@googlegroups.com Subject: [PATCH 01/19] drm/sun4i: call drm_vblank_init with correct number of crtcs Date: Fri, 2 Jun 2017 18:10:06 +0800 Message-Id: <20170602101024.18940-2-wens@csie.org> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20170602101024.18940-1-wens@csie.org> References: <20170602101024.18940-1-wens@csie.org> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP If we want to have vblank on both pipelines at the same time, we need to call drm_vblank_init with num_crtcs = 2. Instead, since the crtc init calls correctly set mode_config.num_crtc, we can move the drm_vblank_init call to after the crtc init code is called, which is the component bind part. Then we can just pass mode_config.num_crtc in. Signed-off-by: Chen-Yu Tsai --- drivers/gpu/drm/sun4i/sun4i_drv.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun4i_drv.c b/drivers/gpu/drm/sun4i/sun4i_drv.c index f19100c91c2b..ed75a779ae4b 100644 --- a/drivers/gpu/drm/sun4i/sun4i_drv.c +++ b/drivers/gpu/drm/sun4i/sun4i_drv.c @@ -100,11 +100,6 @@ static int sun4i_drv_bind(struct device *dev) goto free_drm; } - /* drm_vblank_init calls kcalloc, which can fail */ - ret = drm_vblank_init(drm, 1); - if (ret) - goto free_mem_region; - drm_mode_config_init(drm); ret = component_bind_all(drm->dev, drm); @@ -113,6 +108,11 @@ static int sun4i_drv_bind(struct device *dev) goto cleanup_mode_config; } + /* drm_vblank_init calls kcalloc, which can fail */ + ret = drm_vblank_init(drm, drm->mode_config.num_crtc); + if (ret) + goto free_mem_region; + drm->irq_enabled = true; /* Remove early framebuffers (ie. simplefb) */