From patchwork Mon Jan 24 18:42:19 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 536165 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6831DC433F5 for ; Mon, 24 Jan 2022 19:34:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353310AbiAXTeP (ORCPT ); Mon, 24 Jan 2022 14:34:15 -0500 Received: from ams.source.kernel.org ([145.40.68.75]:55356 "EHLO ams.source.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347717AbiAXTcL (ORCPT ); Mon, 24 Jan 2022 14:32:11 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 31972B8122C; Mon, 24 Jan 2022 19:32:10 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 578C8C340E5; Mon, 24 Jan 2022 19:32:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1643052728; bh=0Qm+dWNT8phmQ4tU5kIS5Fv5RyW+rZO78HIgmJ65jAo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YWMVb79GFm4XZ+8BeXOZEaf+Thcyo4n3U1GUR3Key/R5+qhSlw+xTAPRrhDQeXCSp Ahd0H38mcdCrfD6emf8RMrwzQTogvefL7/y/3qHRrQRZaWuNzlmO40EeiuxruS4sVV gPHHLlCZp8T4Bngbe9X+b+XYeWDjaNBHV13JH5Hk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Vasily Khoruzhick , Roman Stratiienko , Qiang Yu , Sasha Levin Subject: [PATCH 5.4 155/320] drm/lima: fix warning when CONFIG_DEBUG_SG=y & CONFIG_DMA_API_DEBUG=y Date: Mon, 24 Jan 2022 19:42:19 +0100 Message-Id: <20220124183958.901709370@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220124183953.750177707@linuxfoundation.org> References: <20220124183953.750177707@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Qiang Yu [ Upstream commit 89636a06fa2ee7826a19c39c19a9bc99ab9340a9 ] Otherwise get following warning: DMA-API: lima 1c40000.gpu: mapping sg segment longer than device claims to support [len=4149248] [max=65536] See: https://gitlab.freedesktop.org/mesa/mesa/-/issues/5496 Reviewed-by: Vasily Khoruzhick Reported-by: Roman Stratiienko Signed-off-by: Qiang Yu Link: https://patchwork.freedesktop.org/patch/msgid/20211031041604.187216-1-yuq825@gmail.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/lima/lima_device.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/lima/lima_device.c b/drivers/gpu/drm/lima/lima_device.c index d86b8d81a483a..155971c57b2d5 100644 --- a/drivers/gpu/drm/lima/lima_device.c +++ b/drivers/gpu/drm/lima/lima_device.c @@ -293,6 +293,7 @@ int lima_device_init(struct lima_device *ldev) struct resource *res; dma_set_coherent_mask(ldev->dev, DMA_BIT_MASK(32)); + dma_set_max_seg_size(ldev->dev, UINT_MAX); err = lima_clk_init(ldev); if (err)