From nobody Sun Nov 24 20:55:54 2024 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (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 79B5219D081; Fri, 1 Nov 2024 11:55:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730462136; cv=none; b=EQiZ4RwjdpJPUSK5XH8G5r5H1NyJ1YJZGTrXSbBR8vdCkb500UhzA9Wmvd8uMjkeLaGW2UpqE8UHGNIvkQBXZN4SdDs5XfRIXoPuw+gFwPSe4LiB+5GghLU1I943K8saFudOlJ7CQa7IZgpitkFQCNW/tKOU0+ZohmNcPlJCAn0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730462136; c=relaxed/simple; bh=YgheqCGz5W29kaXksMwAsSLSItD+uZ0Eo9BVpZbhL50=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=mZzJZDqXWHyYjOeVbAsa1mr1MK8piIwbStqMREVIJK5iquCxidg9E1RfA6sKZSI2wERYFLlcedDyRd+K7rT6ugCjiLalRoVV7HvHR5XEMEsFWA5WJpNCyFEBZLaDO/ix6IiO/BcHNhWN7yfrxnRhnhVK32YUesk11bpPoLbC1a4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=a/eEwnea; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="a/eEwnea" Received: from [127.0.1.1] (91-157-155-49.elisa-laajakaista.fi [91.157.155.49]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 318CF3D4; Fri, 1 Nov 2024 12:55:27 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1730462127; bh=YgheqCGz5W29kaXksMwAsSLSItD+uZ0Eo9BVpZbhL50=; h=From:Date:Subject:To:Cc:From; b=a/eEwneaxNk6oWJRPCLor+aANObSNwjnxnCP5bGCka8VI1i6CkzFeM0EHlitOfikF DrXyhjgAtZ4BRYeVmDbVKUfok90oK0QRxoQOIGAdbAf2bvpt+i8tqzuUr8JDij80yx cjkOSWmopNw1Ke6rdPicWBKWbigbQwMPwoMsyoYI= From: Tomi Valkeinen Date: Fri, 01 Nov 2024 13:55:15 +0200 Subject: [PATCH] media: raspberrypi: cfe: Fix mapping of dmabuf buffers Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20241101-rp1-cfe-fixes-seg-size-v1-1-0aacf2da56e5@ideasonboard.com> X-B4-Tracking: v=1; b=H4sIAKLBJGcC/x3L0QpAQBBG4VfRXJvaWUq8ilwsfswN2inJ5t1tL r86J5EhKoy6IlHEpabHniFlQdMW9hWsczZ552sRJxxP4WkBL3rD2LCy6QMeG1e5dg5NHTzl+Yz 4i/z2w/t+QRV3oWgAAAA= To: Raspberry Pi Kernel Maintenance , Mauro Carvalho Chehab , Florian Fainelli , Broadcom internal kernel review list , Sakari Ailus , Naushir Patuck , Hans Verkuil , Laurent Pinchart Cc: Mauro Carvalho Chehab , linux-media@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Tomi Valkeinen X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1356; i=tomi.valkeinen@ideasonboard.com; h=from:subject:message-id; bh=YgheqCGz5W29kaXksMwAsSLSItD+uZ0Eo9BVpZbhL50=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBnJMGvFaCtuDuyf61e0vv8PqzSJB/xa17jDfwQW NGrimnq/deJAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCZyTBrwAKCRD6PaqMvJYe 9eNFD/9DUTfzgMBvDuE/F3k405rVzyAORyhjBXr0Duc/OrM9lBlDIG/ONRSY0o6qO/4ZQC5YsDU EwrZtGSBoz64NZuYl7Z6a+MocK2A3izCAeObWSj8tIIKme6zvEFxfMQxhpLeJOLFfdJpOzPOHKO VpEloIccudNFJzZ4akkWJBuiq37JAhMefysGdA6gJFmW5rKZLIFgydYEeo+R8W7oQsocbVB8utG z9BgmQ+wPMuiyUSDh+VFyv1H3wEdHgvOs+9kPQokhg/TqD5nrzYUezENUp8PpupZA/TMdEkcfqA BFXTabQDmNBykvtMKrmtsbzRGaVryu6w4wSUoM6h71LWpANIFjtlca4vFk3GclDBLdO+ejA7B/1 cY8ecpBA5bR6CBX6hqx88bnxo4j6+o9l2neZMCMoCo2jr2jgnReOejI0jT4sWn698D7lWg6DhZH vZkAunYNcOJG+gjTYyN7k5rDKSGA85d/ZvDU8wONpMdDAnSowioKwd3nwFXXUrxLKNVyX0WkWPc /wcb9mTKebDrnQlOI34cVGpiJ8fXRI0IQFIMCz4SmmmcfJkeooldFLcduo9uYVdEwF48Kdbz98Q 1OtjfkalIC1ZmXO7+TyAvpx4TS1Dp5RdGDdavLXDGFLQQg4Dd6zhx8eOPdBAJkUuTG3z+AQDoMS Sskai3Yq9FFlqTA== X-Developer-Key: i=tomi.valkeinen@ideasonboard.com; a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 When using buffers from DRM, DMA-API gives a warning about: "mapping sg segment longer than device claims to support [len=3D307200] [max=3D65536]" Add a call to vb2_dma_contig_set_max_seg_size() to tell the DMA-API about the supported segment size (which is UINT_MAX). Fixes: 6edb685abb2a ("media: raspberrypi: Add support for RP1-CFE") Signed-off-by: Tomi Valkeinen Reviewed-by: Laurent Pinchart --- drivers/media/platform/raspberrypi/rp1-cfe/cfe.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/media/platform/raspberrypi/rp1-cfe/cfe.c b/drivers/med= ia/platform/raspberrypi/rp1-cfe/cfe.c index 045910de6c57..e52d8b20df40 100644 --- a/drivers/media/platform/raspberrypi/rp1-cfe/cfe.c +++ b/drivers/media/platform/raspberrypi/rp1-cfe/cfe.c @@ -2341,6 +2341,12 @@ static int cfe_probe(struct platform_device *pdev) goto err_cfe_put; } =20 + ret =3D vb2_dma_contig_set_max_seg_size(&pdev->dev, UINT_MAX); + if (ret) { + dev_err(&pdev->dev, "Unable to set max_seg_size\n"); + goto err_cfe_put; + } + /* TODO: Enable clock only when running. */ cfe->clk =3D devm_clk_get(&pdev->dev, NULL); if (IS_ERR(cfe->clk)) --- base-commit: 698b6e3163bafd61e1b7d13572e2c42974ac85ec change-id: 20241101-rp1-cfe-fixes-seg-size-b70309da74a2 Best regards, --=20 Tomi Valkeinen