From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 57E14C71159 for ; Mon, 16 Jun 2025 17:10:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Acj1EGAFTyohMKuswlv6NYSLXITq3gI/r2mqlq2rlDo=; b=TzZK+6W3ohybGaU679E1IPaV4C Dvv32bBreXxYhOT1JknxlaQvGbqwnnb2xojBs/TPaDfxXxg9XECoGxfnRAS45m2o/aWW23G93EbPl 8kFktYfbtdoow2KJAE2yWpIsTDq68J+WwZXIr1jIEyrv6siYnRP3P7PhCVpnvs+urrUtrcb1g2fbt KWQFdHFv1C2y1oxUdE6wf45MZ3TjQAIYYfBt+vpr3nug8/ZVi5NtKArXq3eKikw80xp1BWHUaxrGJ qN0FrxIlEKXND3NULJ5JUif+a36SpLmIi2RbCT0p6aunroN3ohSKu0uykn8RFLOP6mRysyx/2ixHe /6mBpsbw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uRDLi-000000055Oj-2WaX; Mon, 16 Jun 2025 17:10:22 +0000 Received: from bali.collaboradmins.com ([148.251.105.195]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uRBG1-00000004lti-1E3O; Mon, 16 Jun 2025 14:56:22 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1750085776; bh=iAx8mzEEjM64kl3dReqUnCAxjjZTtPCO99ShqsJi2Qk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=moaFefQzNAqyMxNFZCgYN7/ZIY2A3LlHEqJJ6rErfkLEiDIJsEQi2Yfp4kotwQcp+ QvwQJhKsC0De+iTa8FzHuGsLuCo9iVCVy8zseEFKbLpMHGKnXnFqOb4VIrgacktzBt YdcvTsIGhQDxeGRnX541dW7kq/zej4dnrlxJmP4rWM99R2yOoG8D+pRJz037kxiKsh XxSv/pMzunbcGctCR8K0iel2dQx8KbVN2Ibb5az8oVSKt1o87jFrb1tCrH1NadgkZh J37uGjNXVr6h/gJhfRexk9Rw/1Ml8LtGSxlhbixd6H1eljmOvBa7WRflgvCQxkwVkm avMTF2ntxanxg== Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:4811:e81c:4b33:730c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by bali.collaboradmins.com (Postfix) with ESMTPSA id D829717E35D9; Mon, 16 Jun 2025 16:56:15 +0200 (CEST) From: Benjamin Gaignard To: joro@8bytes.org, will@kernel.org, robin.murphy@arm.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, heiko@sntech.de, nicolas.dufresne@collabora.com, p.zabel@pengutronix.de, mchehab@kernel.org Cc: iommu@lists.linux.dev, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-media@vger.kernel.org, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH 5/5] media: verisilicon: Flush IOMMU before decoding a frame Date: Mon, 16 Jun 2025 16:55:53 +0200 Message-ID: <20250616145607.116639-6-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250616145607.116639-1-benjamin.gaignard@collabora.com> References: <20250616145607.116639-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250616_075621_473167_E7A57D59 X-CRM114-Status: GOOD ( 10.42 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Flush the IOMMU mapping before decoding a frame to ensure that all memory translations are properly applied. Signed-off-by: Benjamin Gaignard --- drivers/media/platform/verisilicon/hantro_drv.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/media/platform/verisilicon/hantro_drv.c b/drivers/media/platform/verisilicon/hantro_drv.c index 8542238e0fb1..5a672467d83f 100644 --- a/drivers/media/platform/verisilicon/hantro_drv.c +++ b/drivers/media/platform/verisilicon/hantro_drv.c @@ -11,6 +11,9 @@ */ #include +#include +#include +#include #include #include #include @@ -186,6 +189,14 @@ static void device_run(void *priv) v4l2_m2m_buf_copy_metadata(src, dst, true); + if (use_dma_iommu(ctx->dev->v4l2_dev.dev)) { + struct iommu_domain *mmu_dom; + + mmu_dom = iommu_get_domain_for_dev(ctx->dev->v4l2_dev.dev); + if (mmu_dom) + iommu_flush_iotlb_all(mmu_dom); + } + if (ctx->codec_ops->run(ctx)) goto err_cancel_job; -- 2.43.0