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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 năm trước cách đây
mục cha
commit
30a09579b2
1 tập tin đã thay đổi với 3 bổ sung0 xóa
  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