From patchwork Fri Jun 21 08:57:20 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philipp Zabel X-Patchwork-Id: 2761101 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 5B7759F472 for ; Fri, 21 Jun 2013 08:59:36 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 81FEA201A5 for ; Fri, 21 Jun 2013 08:59:35 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 86CF620187 for ; Fri, 21 Jun 2013 08:59:34 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UpxAg-0002E1-Vr; Fri, 21 Jun 2013 08:58:19 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1UpxAW-0004cv-E4; Fri, 21 Jun 2013 08:58:08 +0000 Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1UpxAC-0004aD-EM for linux-arm-kernel@lists.infradead.org; Fri, 21 Jun 2013 08:57:49 +0000 Received: from dude.hi.pengutronix.de ([10.1.0.7] helo=dude.pengutronix.de) by metis.ext.pengutronix.de with esmtp (Exim 4.72) (envelope-from ) id 1Upx9n-0001FL-QV; Fri, 21 Jun 2013 10:57:23 +0200 From: Philipp Zabel To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 3/4] staging: drm/imx: ipuv3-crtc: immediately update crtc->fb in ipu_page_flip Date: Fri, 21 Jun 2013 10:57:20 +0200 Message-Id: <1371805041-9299-4-git-send-email-p.zabel@pengutronix.de> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1371805041-9299-1-git-send-email-p.zabel@pengutronix.de> References: <1371805041-9299-1-git-send-email-p.zabel@pengutronix.de> X-SA-Exim-Connect-IP: 10.1.0.7 X-SA-Exim-Mail-From: p.zabel@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130621_045748_809714_8D332DFA X-CRM114-Status: GOOD ( 14.05 ) X-Spam-Score: -3.4 (---) Cc: kernel@pengutronix.de, Greg Kroah-Hartman , dri-devel@lists.freedesktop.org, Philipp Zabel , Shawn Guo , Fabio Estevam X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.7 required=5.0 tests=BAYES_00, 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 Since commit 8cf1e9811471f2910fa38dc1b28e1789080ba961 ("drm: Add consistency check for page-flipping") drm_mode_page_flip_ioctl contains a WARN_ON that triggers if the .page_flip callback didn't update the crtc->fb pointer to the new framebuffer immediately. Signed-off-by: Philipp Zabel --- drivers/staging/imx-drm/ipuv3-crtc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/imx-drm/ipuv3-crtc.c b/drivers/staging/imx-drm/ipuv3-crtc.c index abcdaef..4a7eedf 100644 --- a/drivers/staging/imx-drm/ipuv3-crtc.c +++ b/drivers/staging/imx-drm/ipuv3-crtc.c @@ -147,6 +147,7 @@ static int ipu_page_flip(struct drm_crtc *crtc, ipu_crtc->newfb = fb; ipu_crtc->page_flip_event = event; + crtc->fb = fb; return 0; } @@ -329,7 +330,6 @@ static irqreturn_t ipu_irq_handler(int irq, void *dev_id) imx_drm_handle_vblank(ipu_crtc->imx_crtc); if (ipu_crtc->newfb) { - ipu_crtc->base.fb = ipu_crtc->newfb; ipu_crtc->newfb = NULL; ipu_drm_set_base(&ipu_crtc->base, 0, 0); ipu_crtc_handle_pageflip(ipu_crtc);