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Subject: media: mtk-jpeg: Fix timeout schedule error in mtk_jpegdec_worker.
Author: Zheng Wang <zyytlz...@163.com>
Date: Mon Nov 6 15:48:11 2023 +0100
In mtk_jpegdec_worker, if error occurs in mtk_jpeg_set_dec_dst, it
will start the timeout worker and invoke v4l2_m2m_job_finish at
the same time. This will break the logic of design for there should
be only one function to call v4l2_m2m_job_finish. But now the timeout
handler and mtk_jpegdec_worker will both invoke it.
Fix it by start the worker only if mtk_jpeg_set_dec_dst successfully
finished.
Fixes: da4ede4b7fd6 ("media: mtk-jpeg: move data/code inside CONFIG_OF blocks")
Signed-off-by: Zheng Wang <zyytlz...@163.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipe...@collabora.com>
Cc: sta...@vger.kernel.org
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mche...@kernel.org>
drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
index 63165f05e123..ac48658e2de4 100644
--- a/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
+++ b/drivers/media/platform/mediatek/jpeg/mtk_jpeg_core.c
@@ -1748,9 +1748,6 @@ retry_select:
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));
-
mtk_jpeg_set_dec_src(ctx, &src_buf->vb2_buf, &bs);
if (mtk_jpeg_set_dec_dst(ctx,
&jpeg_src_buf->dec_param,
@@ -1760,6 +1757,9 @@ retry_select:
goto setdst_end;
}
+ schedule_delayed_work(&comp_jpeg[hw_id]->job_timeout_work,
+ msecs_to_jiffies(MTK_JPEG_HW_TIMEOUT_MSEC));
+
spin_lock_irqsave(&comp_jpeg[hw_id]->hw_lock, flags);
ctx->total_frame_num++;
mtk_jpeg_dec_reset(comp_jpeg[hw_id]->reg_base);
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