From patchwork Thu May 20 15:24:16 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 12270865 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 49A6BC433B4 for ; Thu, 20 May 2021 15:25:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2B1186124C for ; Thu, 20 May 2021 15:25:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231969AbhETP00 (ORCPT ); Thu, 20 May 2021 11:26:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40136 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243578AbhETPZu (ORCPT ); Thu, 20 May 2021 11:25:50 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3B01AC06138D for ; Thu, 20 May 2021 08:24:28 -0700 (PDT) Received: from pendragon.lan (62-78-145-57.bb.dnainternet.fi [62.78.145.57]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 8A0F4D41; Thu, 20 May 2021 17:24:25 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1621524266; bh=SG0GYay4hut6hsoBVa79nvEXinnyFlIsFMAALJWtLVg=; h=From:To:Cc:Subject:Date:From; b=JwLDq8X7XfwPVNJyD5UqzFQqY58PIss5SvphXVtZRDKt0Vp1+/fcCMB6vN17uVwPn rfPVjfdx4oz4cMz7jQMV29wrIL5rSv+yH7FEF4Qn3SayBTRyhuqlyXezQB1kxjFRmx bxxmJdLldeQCdoz3zK8KBKudnPXtcCsi1p/Afy9U= From: Laurent Pinchart To: dmaengine@vger.kernel.org Cc: Vinod Koul , Michal Simek , Jianqiang Chen , linux-arm-kernel@lists.infradead.org Subject: [PATCH 0/4] dmaengine: xilinx: dpdma: Fix freeze after 64k frames Date: Thu, 20 May 2021 18:24:16 +0300 Message-Id: <20210520152420.23986-1-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 2.28.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org Hello, This patch series addresses an issue in the Xilixn ZynqMP DPDMA driver that causes a display freeze after 65536 frames. The first three patches include a small compilation breakage issue (1/4) and enhancements to the messages logged by the driver (2/4 and 3/4). The last patch fixes the freeze bug. Please see individual patches for details. Laurent Pinchart (4): dmaengine: xilinx: dpdma: Add missing dependencies to Kconfig dmaengine: xilinx: dpdma: Print channel number in kernel log messages dmaengine: xilinx: dpdma: Print debug message when losing vsync race dmaengine: xilinx: dpdma: Limit descriptor IDs to 16 bits drivers/dma/Kconfig | 1 + drivers/dma/xilinx/xilinx_dpdma.c | 45 ++++++++++++++++++++----------- 2 files changed, 31 insertions(+), 15 deletions(-) Tested-by: Jianqiang Chen Reviewed-by: Jianqiang Chen