From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-181.mta1.migadu.com (out-181.mta1.migadu.com [95.215.58.181]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D26B0212D65 for ; Fri, 10 Jan 2025 18:10:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.181 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736532629; cv=none; b=TH0Jl9JAaZ/FDeBmmM6eCrlCO8Oy7pwmwg2Vz4QUThRJUbwf2lQlUF6K8Mub/CFTnbNQzGC13LREYC1SPoMricngskFCY9FFArbirBbB09U1zcDg4RW2EF3ujYjWAoRUzEC4+iT9ggj0PHcG54kT0InueQdlN0l0jkjnS0tYzD4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1736532629; c=relaxed/simple; bh=x6oczK3ug8bgzFqhIBsyiTUh3Szy74yr+KpLIuHRg8M=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=u9EFlr/Ae4e4u764g1A7K0rsjjC8KrlInKFsvNWVhPjMuh5WTf5u1GkQW9Ub72yZujNko4b46+UnSlxs6aeeVWpKj3zOcYvWtpArKH5Sspfe11jX/PRiTtgff7BgIBb1rP3Xj/ZXeTCew698cqJmGEBJkJXL9yt+Yq+tev+ltpQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=VTC54PXO; arc=none smtp.client-ip=95.215.58.181 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="VTC54PXO" Message-ID: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1736532613; 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=1+ZK2sNVQG3CftxXFAyvg9WnLzu0fKqq3YAoWAkxSFo=; b=VTC54PXO0Q8s4bDBQnojNz3yhaEmT4/m2eBO8ccEqRBY8/HTl09MaK6eylomDEcPrfwfwp EZj2aiuTNcPodNCQsTaAt/YkJhW9Z+Q2ZLPhrUS2txsC9qb8CdY+ISQy4OdLnOEDupYQSx EK2Rh/GVToquQrg2gCyJzbMw9211hc0= Date: Fri, 10 Jan 2025 13:10:09 -0500 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH 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, "stable@vger.kernel.org" References: <20241204-xilinx-formats-v1-0-0bf2c5147db1@ideasonboard.com> <20241204-xilinx-formats-v1-10-0bf2c5147db1@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: <20241204-xilinx-formats-v1-10-0bf2c5147db1@ideasonboard.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT On 12/4/24 04:31, Tomi Valkeinen wrote: > Fix "mapping sg segment longer than device claims to support" warning by > setting the max segment size. > > 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); > > Fixes: d76271d22694 ("drm: xlnx: DRM/KMS driver for Xilinx ZynqMP DisplayPort Subsystem") Reviewed-by: Sean Anderson Tested-by: Sean Anderson