From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (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 BE11321CA0E; Mon, 16 Jun 2025 14:56:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750085786; cv=none; b=K+kyTpkkcJRizzGMY9UOFOELbB3wmq4rqIwUnZnGR3537zKAM79smvs0UJhcvKBs+jAzfrB+C/JUF8iJRWztQbVHlTMnoorrwMNe//ANKGalGn/IYkUmpn9mDboc9Yds2hf8Us9IePaISaWWMcpGO8QAI9/p9T9GsneWsZeRnd8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750085786; c=relaxed/simple; bh=iAx8mzEEjM64kl3dReqUnCAxjjZTtPCO99ShqsJi2Qk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=S7zoNKkBQHGRvda+gbsVimZl5J8g9cv3yId92IomIBKHiiRj0Aq47801TTIPg8IAOr6awzE/vubQMw8xvgKuamYEzXU751KHLIx5qyGOpbynhCqk8lxIlDjlWnniZ05oZr69NP1kDzVUhdLgf5KGmwuoOHKL5Oz+IwgnTnFUwjs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=moaFefQz; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="moaFefQz" 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> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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