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Wed, 03 Jun 2026 01:41:19 -0700 Received: from mtkmbs13n2.mediatek.inc (172.21.101.108) by mtkmbs11n1.mediatek.inc (172.21.101.185) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.29; Wed, 3 Jun 2026 16:41:16 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs13n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.2562.29 via Frontend Transport; Wed, 3 Jun 2026 16:41:14 +0800 From: Kyrie Wu To: Tiffany Lin , Andrew-CT Chen , Yunfei Dong , Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , Nicolas Dufresne , Ricardo Ribalda , Kees Cook , Hans Verkuil , Haoxiang Li , Fei Shao , Chen-Yu Tsai , Laurent Pinchart , Sebastian Fricke , Benjamin Gaignard , Philipp Zabel , Qianfeng Rong , Jacopo Mondi , Irui Wang , Fan Wu , , , , , , Kyrie Wu CC: Sakari Ailus , Tzung-Bi Shih , Tomasz Figa Subject: [PATCH v5 07/14] media: mediatek: vcodec: support 36bit iova address Date: Wed, 3 Jun 2026 16:40:37 +0800 Message-ID: <20260603084045.17488-8-kyrie.wu@mediatek.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20260603084045.17488-1-kyrie.wu@mediatek.com> References: <20260603084045.17488-1-kyrie.wu@mediatek.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260603_094132_640215_F32EA429 X-CRM114-Status: GOOD ( 11.88 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org From: Yunfei Dong Need to set dma mask to support 36bit iova address for decoder hardware can use 36bit address to decode for mt8196. Signed-off-by: Yunfei Dong Reviewed-by: Nicolas Dufresne --- .../platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c index ce17b649022f..68759db6f8d1 100644 --- a/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c +++ b/drivers/media/platform/mediatek/vcodec/decoder/mtk_vcodec_dec_drv.c @@ -390,6 +390,13 @@ static int mtk_vcodec_probe(struct platform_device *pdev) return -ENODEV; } dma_set_max_seg_size(&pdev->dev, UINT_MAX); + if (dev->chip_name == MTK_VDEC_MT8196) { + ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(36)); + if (ret) { + dev_err(&pdev->dev, "Failed to enable 36-bit DMA: %d\n", ret); + return ret; + } + } dev->fw_handler = mtk_vcodec_fw_select(dev, fw_type, DECODER); if (IS_ERR(dev->fw_handler)) -- 2.45.2