From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 C68A314A4E2; Tue, 20 Feb 2024 21:03:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708463009; cv=none; b=WIC0vBeWcrzBTD2NFXHViyMnz3GOcoA4uBuxMK1kgUYpjd76Gv8AEXU7I4zW5JTFt+82SXYtHIlqYr8uAW6s4gbiPO2KjUj3vWnpz70G3z3L4SRGRzxijZSfXdzuUEOTaYoCLoEdjm4TdZkDMO7bfdvqKQTAEysZ9LHcq/sZwUo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708463009; c=relaxed/simple; bh=RZLSzSXH7wwaIaZ7k2glIyaCWgpmWuLGpsKAQLIk3mY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=G1//CZZFRumdgsVghqwMnBRAb+CrxhLVnW+jpdTw0Hyf7DM8YXqgzoBnjVCPS2IiLPGF4imFe3IktDoz/4LcTHW1vrzqlTI22w4VrthLxnTJpbjNetDUGAjaoQVcX1DA/nNubPN0Wluw7zMSwM1fOZgbc7AtA/qhIr0GwkBbQwA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=ysQCkatz; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="ysQCkatz" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D5D04C433C7; Tue, 20 Feb 2024 21:03:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1708463009; bh=RZLSzSXH7wwaIaZ7k2glIyaCWgpmWuLGpsKAQLIk3mY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ysQCkatzcbLBjkfKjwq58N3aygMpJDCIHHOgCFl+MMsfeYO7Gvtx52YjOqyW0S2av typc2uclgoB9Zl6HCIXaUXKhgrujzQcIat2G4eqR/Y49H1n8TN7DYXpFVcDWs7xBk3 JtAmOmHSL6uIH2JZP54Tfiw2qbP+nhE3XUUuluG0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Zhenyu Zhang , Vivek Kasireddy , Sebastian Ott , Dmitry Osipenko Subject: [PATCH 6.1 077/197] drm/virtio: Set segment size for virtio_gpu device Date: Tue, 20 Feb 2024 21:50:36 +0100 Message-ID: <20240220204843.384116808@linuxfoundation.org> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240220204841.073267068@linuxfoundation.org> References: <20240220204841.073267068@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Sebastian Ott commit 9c64e749cebd9c2d3d55261530a98bcccb83b950 upstream. Set the segment size of the virtio_gpu device to the value used by the drm helpers when allocating sg lists to fix the following complaint from DMA_API debug code: DMA-API: virtio-pci 0000:07:00.0: mapping sg segment longer than device claims to support [len=262144] [max=65536] Cc: stable@vger.kernel.org Tested-by: Zhenyu Zhang Acked-by: Vivek Kasireddy Signed-off-by: Sebastian Ott Signed-off-by: Dmitry Osipenko Link: https://patchwork.freedesktop.org/patch/msgid/7258a4cc-da16-5c34-a042-2a23ee396d56@redhat.com Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/virtio/virtgpu_drv.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/gpu/drm/virtio/virtgpu_drv.c +++ b/drivers/gpu/drm/virtio/virtgpu_drv.c @@ -93,6 +93,7 @@ static int virtio_gpu_probe(struct virti goto err_free; } + dma_set_max_seg_size(dev->dev, dma_max_mapping_size(dev->dev) ?: UINT_MAX); ret = virtio_gpu_init(vdev, dev); if (ret) goto err_free;