From: ming.qian@oss.nxp.com
To: mchehab@kernel.org, hverkuil-cisco@xs4all.nl
Cc: nicolas@ndufresne.ca, sebastian.fricke@collabora.com,
shawnguo@kernel.org, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
xiahong.bao@nxp.com, eagle.zhou@nxp.com, imx@lists.linux.dev,
linux-media@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 3/4] media: amphion: Clear last_buffer_dequeued flag for DEC_CMD_START
Date: Fri, 18 Apr 2025 16:54:18 +0800 [thread overview]
Message-ID: <20250418085422.193-3-ming.qian@oss.nxp.com> (raw)
In-Reply-To: <20250418085422.193-1-ming.qian@oss.nxp.com>
From: Ming Qian <ming.qian@oss.nxp.com>
The V4L2_DEC_CMD_START command may be used to handle the dynamic source
change, which will triggers an implicit decoder drain.
The last_buffer_dequeued flag is set in the implicit decoder drain,
so driver need to clear it to continue the following decoding flow.
Signed-off-by: Ming Qian <ming.qian@oss.nxp.com>
---
drivers/media/platform/amphion/vdec.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/media/platform/amphion/vdec.c b/drivers/media/platform/amphion/vdec.c
index d812b86f001e..ee0a7572ed15 100644
--- a/drivers/media/platform/amphion/vdec.c
+++ b/drivers/media/platform/amphion/vdec.c
@@ -728,6 +728,7 @@ static int vdec_decoder_cmd(struct file *file, void *fh, struct v4l2_decoder_cmd
switch (cmd->cmd) {
case V4L2_DEC_CMD_START:
vdec_cmd_start(inst);
+ vb2_clear_last_buffer_dequeued(v4l2_m2m_get_dst_vq(inst->fh.m2m_ctx));
break;
case V4L2_DEC_CMD_STOP:
vdec_cmd_stop(inst);
--
2.43.0-rc1
next prev parent reply other threads:[~2025-04-18 8:55 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-18 8:54 [PATCH v3 1/4] media: v4l: dev-decoder: Add source change V4L2_EVENT_SRC_CH_COLORSPACE ming.qian
2025-04-18 8:54 ` [PATCH v3 2/4] media: docs: dev-decoder: Trigger dynamic source change for colorspace ming.qian
2025-08-01 15:23 ` Nicolas Dufresne
2025-11-03 1:45 ` Ming Qian(OSS)
2025-11-07 14:50 ` Nicolas Dufresne
2025-11-10 1:28 ` Ming Qian(OSS)
2025-04-18 8:54 ` ming.qian [this message]
2025-04-18 8:54 ` [PATCH v3 4/4] media: amphion: Trigger source change if colorspace chagned ming.qian
2025-11-07 15:28 ` [PATCH v3 1/4] media: v4l: dev-decoder: Add source change V4L2_EVENT_SRC_CH_COLORSPACE Frank Li
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