linux-kernel - [V1,12/12] media: mediatek: jpeg: fix remove buffer operation for multi-core

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Message-ID: <20250109133513.20151-13-kyrie.wu@mediatek.com>
Date: Thu, 9 Jan 2025 21:35:12 +0800
From: kyrie.wu <kyrie.wu@...iatek.com>
To: Hans Verkuil <hverkuil-cisco@...all.nl>, Mauro Carvalho Chehab
	<mchehab@...nel.org>, Rob Herring <robh+dt@...nel.org>, Matthias Brugger
	<matthias.bgg@...il.com>, Tzung-Bi Shih <tzungbi@...omium.org>
CC: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, AngeloGioacchino Del Regno
	<angelogioacchino.delregno@...labora.com>, Bin Liu <bin.liu@...iatek.com>,
	kyrie wu <kyrie.wu@...iatek.corp-partner.google.com>,
	<linux-media@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
	<linux-mediatek@...ts.infradead.org>, kyrie.wu <kyrie.wu@...iatek.com>
Subject: [V1,12/12] media: mediatek: jpeg: fix remove buffer operation for multi-core

move remove buffer code to spinlock protect area for multi-core

Signed-off-by: kyrie.wu <kyrie.wu@...iatek.com>
---
 drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
index 2919fdd92d45..065b35122acf 100644
--- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
+++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
@@ -1665,9 +1665,6 @@ static void mtk_jpegenc_worker(struct work_struct *work)
 		goto enc_end;
 	}
 
-	v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
-	v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
-
 	schedule_delayed_work(&comp_jpeg[hw_id]->job_timeout_work,
 			      msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC));
 
@@ -1688,6 +1685,8 @@ static void mtk_jpegenc_worker(struct work_struct *work)
 			     &src_buf->vb2_buf);
 	mtk_jpeg_set_enc_params(ctx, comp_jpeg[hw_id]->reg_base);
 	mtk_jpeg_enc_start(comp_jpeg[hw_id]->reg_base);
+	v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
+	v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
 	jpeg_buf_queue_inc(ctx);
 	v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
 	spin_unlock_irqrestore(&comp_jpeg[hw_id]->hw_lock, flags);
@@ -1770,9 +1769,6 @@ static void mtk_jpegdec_worker(struct work_struct *work)
 		goto dec_end;
 	}
 
-	v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
-	v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
-
 	mtk_jpeg_set_dec_src(ctx, &src_buf->vb2_buf, &bs);
 	if (mtk_jpeg_set_dec_dst(ctx,
 				 &jpeg_src_buf->dec_param,
@@ -1800,6 +1796,8 @@ static void mtk_jpegdec_worker(struct work_struct *work)
 				jpeg_src_buf->bs_size,
 				&bs,
 				&fb);
+	v4l2_m2m_src_buf_remove(ctx->fh.m2m_ctx);
+	v4l2_m2m_dst_buf_remove(ctx->fh.m2m_ctx);
 	mtk_jpeg_dec_start(comp_jpeg[hw_id]->reg_base);
 	jpeg_buf_queue_inc(ctx);
 	v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx);
-- 
2.46.0