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From: Yunfei Dong <yunfei.dong@mediatek.com>
To: "Yunfei Dong" <yunfei.dong@mediatek.com>,
	"Chen-Yu Tsai" <wenst@chromium.org>,
	"Nicolas Dufresne" <nicolas@ndufresne.ca>,
	"Hans Verkuil" <hverkuil-cisco@xs4all.nl>,
	"AngeloGioacchino Del Regno"
	<angelogioacchino.delregno@collabora.com>,
	"Benjamin Gaignard" <benjamin.gaignard@collabora.com>,
	"Nícolas F . R . A . Prado" <nfraprado@collabora.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>,
	Hsin-Yi Wang <hsinyi@chromium.org>,
	Fritz Koenig <frkoenig@chromium.org>,
	Daniel Vetter <daniel@ffwll.ch>,
	Steve Cho <stevecho@chromium.org>, <linux-media@vger.kernel.org>,
	<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	<linux-arm-kernel@lists.infradead.org>,
	<linux-mediatek@lists.infradead.org>,
	<Project_Global_Chrome_Upstream_Group@mediatek.com>
Subject: [PATCH 2/2] media: mediatek: vcodec: add remove function for decoder platform driver
Date: Tue, 28 Mar 2023 17:14:50 +0800	[thread overview]
Message-ID: <20230328091451.21979-2-yunfei.dong@mediatek.com> (raw)
In-Reply-To: <20230328091451.21979-1-yunfei.dong@mediatek.com>

Need to disable decoder power when remove decoder hardware driver, adding
remove callback function in the definition of platform driver.

Fixes: c05bada35f01 ("media: mtk-vcodec: Add to support multi hardware decode")
Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
---
- test pass when remove and insmod decoder hardware driver.
---
 .../media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c    | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c
index 376db0e433d7..b753bf54ebd9 100644
--- a/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c
+++ b/drivers/media/platform/mediatek/vcodec/mtk_vcodec_dec_hw.c
@@ -193,8 +193,16 @@ static int mtk_vdec_hw_probe(struct platform_device *pdev)
 	return ret;
 }
 
+static int mtk_vdec_hw_remove(struct platform_device *pdev)
+{
+	pm_runtime_disable(&pdev->dev);
+
+	return 0;
+}
+
 static struct platform_driver mtk_vdec_driver = {
 	.probe	= mtk_vdec_hw_probe,
+	.remove = mtk_vdec_hw_remove,
 	.driver	= {
 		.name	= "mtk-vdec-comp",
 		.of_match_table = mtk_vdec_hw_match,
-- 
2.18.0


      reply	other threads:[~2023-03-28  9:15 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-28  9:14 [PATCH 1/2] media: mediatek: vcodec: fix decoder disable pm crash Yunfei Dong
2023-03-28  9:14 ` Yunfei Dong [this message]

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