From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3C33DC02194 for ; Thu, 6 Feb 2025 19:50:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=OwPDbQEyAXc77Q5C6257jMdBP0ZXb8K4s1MUTLeX9mA=; b=MYJRuW1rk2sf2Dg5jfd3kpgyTf GCd6K54IG1kL7txJIRuNiDlv8Tm+zXCrpfCqFA2kEmBPIYvi1EVIHmMbVpBJJrhhZxYzoBK9dlIJf RtFbKKjRBHWPET2A+cc6anixzFntlPEETN7X+rA5pZux0bOQUkn8mCKg1W1XDRn/wbeTU+CYxXRjV 63tAHicNn/jB52lBOs88tu6Fn9kzc7tm0Z3W/FJacU66EpBA/STegoPzSeT0JIzq+7qJHathhTxmv KcgrKhmSGTHrVo9PSBklWXQkzr5zx7UCFxxnxiSOaah1MchgBq67ZTtfAPsNUjC+94jtU3lW+0qwI o8kpEteA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tg7tF-00000007PSQ-3Qe8; Thu, 06 Feb 2025 19:50:21 +0000 Received: from out-185.mta0.migadu.com ([91.218.175.185]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tg7ri-00000007PIt-1pkF for linux-arm-kernel@lists.infradead.org; Thu, 06 Feb 2025 19:48:47 +0000 Message-ID: <487916d8-da54-4932-81dd-f139870a734a@linux.dev> DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1738871319; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=OwPDbQEyAXc77Q5C6257jMdBP0ZXb8K4s1MUTLeX9mA=; b=L56l4iREX7uPZFdUgfZLgCzh+xM4hGXE8xVUwHTzHq/M4h9cgKCj0VvxDO+QWay4IX2nLe Vb2cd+2xlmJQtlFFhEDjZJdIZSjc7mDU62eRinjTmqy25wlmTHhkCYPzjdV13rvFRAxbvf dJB1IKw0+uN99W2fs7DxKemlUZtnAt0= Date: Thu, 6 Feb 2025 14:48:35 -0500 MIME-Version: 1.0 Subject: Re: [PATCH v2 10/10] drm: xlnx: zynqmp: Fix max dma segment size To: Tomi Valkeinen , Vishal Sagar , Anatoliy Klymenko , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Laurent Pinchart , Michal Simek Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <20250115-xilinx-formats-v2-0-160327ca652a@ideasonboard.com> <20250115-xilinx-formats-v2-10-160327ca652a@ideasonboard.com> Content-Language: en-US X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Sean Anderson In-Reply-To: <20250115-xilinx-formats-v2-10-160327ca652a@ideasonboard.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250206_114846_622621_5268C9E7 X-CRM114-Status: GOOD ( 14.26 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Tomi, On 1/15/25 04:03, Tomi Valkeinen wrote: > Fix "mapping sg segment longer than device claims to support" warning by > setting the max segment size. > > Fixes: d76271d22694 ("drm: xlnx: DRM/KMS driver for Xilinx ZynqMP DisplayPort Subsystem") > Reviewed-by: Sean Anderson > Tested-by: Sean Anderson > Signed-off-by: Tomi Valkeinen > --- > drivers/gpu/drm/xlnx/zynqmp_dpsub.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c > index f5781939de9c..a25b22238e3d 100644 > --- a/drivers/gpu/drm/xlnx/zynqmp_dpsub.c > +++ b/drivers/gpu/drm/xlnx/zynqmp_dpsub.c > @@ -231,6 +231,8 @@ static int zynqmp_dpsub_probe(struct platform_device *pdev) > if (ret) > return ret; > > + dma_set_max_seg_size(&pdev->dev, DMA_BIT_MASK(32)); > + > /* Try the reserved memory. Proceed if there's none. */ > of_reserved_mem_device_init(&pdev->dev); > > Can you apply this patch? I ran into this warning again today and I think this change is independent from the rest of the series. --Sean