From nobody Sun Nov 24 16:29:24 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 3363E171E70; Mon, 4 Nov 2024 07:48:22 +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=1730706505; cv=none; b=BIfx8mJC3PiNqx+0kcuP4cmqUv+YkWVnYfCA5CE+3EH0eohPuNqi+kIce1DLED696U2eyyM8A2nb7uNxZzT9g+9RT1+0HQV3p+X+60wCmSoj7gI7rOyopU4KYAa7Hti6ZHTORuvvdhMnLt+wBwq4pJpOHbW2qnG1bETjS+pt4IM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730706505; c=relaxed/simple; bh=lIE2kYZAcfccRQOGzfpt1usumoHzGDS1Bwy7k9LLV+E=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=r8xjUQoeMzPunTvt86KoZ54h0U4P+Si2US+E6j21Kgue0UvtmK83X6ne+ube5skA+3cWwef1FMcfgOSVFqkJelAdX3DYc8NS2g12IAgpfOfXtPAfuaBj4pKimtyf7Ae3lTVy3/+9nESvh8ckQrgJiIMRV9BnrIQd9f57RlqUg/s= 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=BGmUGZve; 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="BGmUGZve" 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 5216122E; Mon, 4 Nov 2024 08:48:07 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1730706488; bh=lIE2kYZAcfccRQOGzfpt1usumoHzGDS1Bwy7k9LLV+E=; h=From:Date:Subject:To:Cc:From; b=BGmUGZveLZQN2MpLF618g5rb5aAiPbO8bw6s4OPz3c6iYyzxCxVZj49vdBsHxe9nK /TkAEaDpajkRocAuxaZ60q+ceOtboaANMFoBTwFPt1GAZm/d8sxI4tRtg0L8I9XgQc Hyfr8vKtS6YvIsswuoR4DtMkzSruw3JoDX1rKE0s= From: Tomi Valkeinen Date: Mon, 04 Nov 2024 09:47:54 +0200 Subject: [PATCH v2] 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: <20241104-rp1-cfe-fixes-seg-size-v2-1-2afd9f6f9fac@ideasonboard.com> X-B4-Tracking: v=1; b=H4sIACl8KGcC/4WNQQ6CMBBFr0K6dkyngkRX3sOwGNoBZiElHUNU0 rtbuYDL9/Pf/5tRTsJqrtVmEq+iEucC7lAZP9E8MkgobJx1NaJFSAuCHxgGebGC8ggqH4a+tSd 7CdTW5EyRl8R7o7j3rvAk+ozpvf+s+Ev/Tq4ICJbIDy5Qc+bmJoFJ49xHSuHo48N0OecvgjVO7 8MAAAA= 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=1571; i=tomi.valkeinen@ideasonboard.com; h=from:subject:message-id; bh=lIE2kYZAcfccRQOGzfpt1usumoHzGDS1Bwy7k9LLV+E=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBnKHw5Vu8U1vmF8yEBEzPMGHgPaEVEwdvzzIApt /MP+Y9gKpmJAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCZyh8OQAKCRD6PaqMvJYe 9XcID/oCe7Uv2FXQrwj4bGBwcq9WWXRU9MVexVilLDXe8nzSBB73N6+QCNtpWKNSo7pRDBGush0 a5bI/js3YbnwNwf+aEt9ZUwmcQTuR8KDycf+o+y/hUrCq8k8N1aczqcdmOYbbBncB7rS7jdF0IP tCOYLb4gTsgBNpq15bBFUyeCfASxt9qIa+zpq9Rrx4kJhMlR//Bls5gTZT6JWkIoENS9s/Se2j2 tz0BQV0rwC2Q4m+xz6Wnp9zoKHwr0Y3Xy10t+Q11zu5nzqT3AlHBWsHeUKLUNQEPdnTYqhHgi55 +hFOuG82gt/e1ved8pBqy9wp38GrihDvxrg1XWNYEtHCvDK0hRiayJtxo1rHvEd9aarTEYVMSVI UlluKC13oSnp3uI2wnMLqVFxzbFKORlC5dlgKoo3xBdT/AHlDqoLcU0cEH3goGsaCxCadxzNUZD PyUZ13WuEnux+XSRg4oCyfgAlyR/ZZxjEpvef+XPm5i16S/VeS0Fim7WyXl84Ug8DXulrSJ/NeF cXeNFbovzuhZaiLb04We+Q0AZmjDAiexeYY59AIFOZRb4ckPMsRs3SLo522i3GLXcsaUOewcHeJ YNvE25ecHZijTngKZ78tI2cc6KNDg6d9IN8q1Rj0TfieSeGXtksr4fACog+qlLys1zA64QqEtMt OXs3uQgsczK+47A== 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") Reviewed-by: Laurent Pinchart Signed-off-by: Tomi Valkeinen --- Changes in v2: - Drop the error print, as vb2_dma_contig_set_max_seg_size() already prints one. - Link to v1: https://lore.kernel.org/r/20241101-rp1-cfe-fixes-seg-size-v1-= 1-0aacf2da56e5@ideasonboard.com --- drivers/media/platform/raspberrypi/rp1-cfe/cfe.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/media/platform/raspberrypi/rp1-cfe/cfe.c b/drivers/med= ia/platform/raspberrypi/rp1-cfe/cfe.c index da9e1a1e4d0d..e808c80cd37c 100644 --- a/drivers/media/platform/raspberrypi/rp1-cfe/cfe.c +++ b/drivers/media/platform/raspberrypi/rp1-cfe/cfe.c @@ -2341,6 +2341,10 @@ 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) + 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: c7ccf3683ac9746b263b0502255f5ce47f64fe0a change-id: 20241101-rp1-cfe-fixes-seg-size-b70309da74a2 Best regards, --=20 Tomi Valkeinen