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[media] coda: keep buffers on the queue in bitstream end mode

In stream end mode the hardware will read the bitstream to its end,
overshooting the write pointer. Do not write additional data into
the bitstream in this mode.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Philipp Zabel 10 年之前
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30a09579b2
共有 1 個文件被更改,包括 3 次插入0 次删除
  1. 3 0
      drivers/media/platform/coda/coda-bit.c

+ 3 - 0
drivers/media/platform/coda/coda-bit.c

@@ -228,6 +228,9 @@ void coda_fill_bitstream(struct coda_ctx *ctx, bool streaming)
 	struct coda_buffer_meta *meta;
 	u32 start;
 
+	if (ctx->bit_stream_param & CODA_BIT_STREAM_END_FLAG)
+		return;
+
 	while (v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx) > 0) {
 		/*
 		 * Only queue a single JPEG into the bitstream buffer, except