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 70EC0449EAD; Fri, 27 Feb 2026 15:49:59 +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=1772207399; cv=none; b=tfpyuTt1otDN1utcJV84Ya1/Qr4OH6voBXFhVYzBkLBftMUGDZZycgz2pBZ5QC+eibm/5+nDYDGk2emHiJ2M8Geh5ooVp6Ng9DOhltl1z9BnyDcRiA56kNCzMfGoYovL/8u6WS4Yx2PU2hWuTJNCjzQwwFGvmUlzxAuRYy3dtZQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772207399; c=relaxed/simple; bh=BS+JRm8LRYMAKig0YFetVVdfXJAVZYXeCpZOawjnWHU=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=R+4e3mv8wstnTAweO37r4+AQ22Qjs76urdmaTDmQGiPG/Cb67yPlJvJepHd4zW3v87R8O2nBfZET5NW0Jqgb+DvbFIIFZeGbYgYrjjYhhuqFt/6UObcjaeXe4l/LGb5RUxuJkEtTYudWEos7fMm+f3LwKEVQkSA3UoAaDYu+k7Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=TQ3iTjUb; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="TQ3iTjUb" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 92D00C116C6; Fri, 27 Feb 2026 15:49:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772207399; bh=BS+JRm8LRYMAKig0YFetVVdfXJAVZYXeCpZOawjnWHU=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=TQ3iTjUbG+vjYdUi/b+KVaOYvwwrk2pWPSeFC4XuFPLQGDI4h+DnfBEAaCJ0IUlPa M5ASGswaO+vylWt6fOr9YjbsardpzRVMa7wdoAuKcQuKchTOzZ4C/Mn4MUeVk3KWgN mc112KquuVtDRSRTGHLwQxU7+FBuD9Mewpr5o1ooU8BgYZ1pnP/pJYvWhNHTqNiJVG S6SbvOVMz9LvVwurdObKTxYZxSePKN07/RU1RXpdOS2nXcHqXWsnKCwa4g5Dh5omwt U7jNIAGPOX83AN+kBfh0NsLZk2EJdk4WuQrf+jct0SP15aIUTNGrQw9v/gD/xDHJuM 6KrCLig2nvpPQ== Message-ID: <20257f68-04cf-40fa-9f0b-bd798e62b7eb@kernel.org> Date: Fri, 27 Feb 2026 16:49:52 +0100 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 3/7] media: iris: add iris vpu bus support and register it with iommu_buses To: Vikash Garodia , Dikshita Agarwal , Abhinav Kumar , Bryan O'Donoghue , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Saravana Kannan , Joerg Roedel , Will Deacon , Robin Murphy , Stefan Schmidt , Hans Verkuil , Vishnu Reddy , Hans Verkuil Cc: linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, iommu@lists.linux.dev, Bryan O'Donoghue References: <20260227-kaanapali-iris-v2-0-850043ac3933@oss.qualcomm.com> <20260227-kaanapali-iris-v2-3-850043ac3933@oss.qualcomm.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 27/02/2026 15:11, Vikash Garodia wrote: > Add iris vpu bus support and hooks the new bus into the iommu_buses > list. Iris devices need their own bus so that each iris device can run > its own dma_configure() logic. > > Co-developed-by: Vishnu Reddy > Signed-off-by: Vishnu Reddy > Signed-off-by: Vikash Garodia > --- > drivers/iommu/iommu.c | 4 ++++ > drivers/media/platform/qcom/iris/Makefile | 4 ++++ > drivers/media/platform/qcom/iris/iris_vpu_bus.c | 32 +++++++++++++++++++++++++ > include/linux/iris_vpu_bus.h | 13 ++++++++++ > 4 files changed, 53 insertions(+) > > diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c > index 35db5178095404fec87cd0f18e44ea97cf354e78..fd5fb7c10da22ab548d359ca1f44504acc3d646c 100644 > --- a/drivers/iommu/iommu.c > +++ b/drivers/iommu/iommu.c > @@ -13,6 +13,7 @@ > #include > #include > #include > +#include > #include > #include > #include > @@ -178,6 +179,9 @@ static const struct bus_type * const iommu_buses[] = { > #ifdef CONFIG_CDX_BUS > &cdx_bus_type, > #endif > +#if IS_ENABLED(CONFIG_VIDEO_QCOM_IRIS) > + &iris_vpu_bus_type, > +#endif > }; > > /* > diff --git a/drivers/media/platform/qcom/iris/Makefile b/drivers/media/platform/qcom/iris/Makefile > index 2abbd3aeb4af07e52bf372a4b2f352463529c92c..6f4052b98491aeddc299669334d4c93e9a3420e4 100644 > --- a/drivers/media/platform/qcom/iris/Makefile > +++ b/drivers/media/platform/qcom/iris/Makefile > @@ -31,3 +31,7 @@ qcom-iris-objs += iris_platform_gen1.o > endif > > obj-$(CONFIG_VIDEO_QCOM_IRIS) += qcom-iris.o > + > +ifdef CONFIG_VIDEO_QCOM_IRIS > +obj-y += iris_vpu_bus.o > +endif > diff --git a/drivers/media/platform/qcom/iris/iris_vpu_bus.c b/drivers/media/platform/qcom/iris/iris_vpu_bus.c > new file mode 100644 > index 0000000000000000000000000000000000000000..34ce78d9b0ff1feda15ba4f060a56d02749a0858 > --- /dev/null > +++ b/drivers/media/platform/qcom/iris/iris_vpu_bus.c > @@ -0,0 +1,32 @@ > +// SPDX-License-Identifier: GPL-2.0-only > +/* > + * Copyright (c) 2026 Qualcomm Innovation Center, Inc. All rights reserved. > + */ > + > +#include > +#include > + > +#include "iris_platform_common.h" > + > +static int iris_vpu_bus_dma_configure(struct device *dev) > +{ > + struct iris_context_bank *cb = dev_get_drvdata(dev); > + > + if (!cb) > + return -ENODEV; > + > + return of_dma_configure_id(dev, dev->parent->of_node, true, &cb->f_id); Apply this patch and build it. Does it build? Best regards, Krzysztof