Commit f74c0a29 authored Jun 18, 2019 by Philipp Zabel Committed by Mauro Carvalho Chehab Jun 24, 2019

media: coda: do not enforce 512-byte initial bitstream payload on CODA960



On CODA960, sequence initialization can succeed if less than 512 bytes
are ready in the bitstream ring buffer.
On other variants, warn about too small payload in start_streaming.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

parent 2719ef7d

drivers/media/platform/coda/coda-common.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -1790,7 +1790,9 @@ static int coda_start_streaming(struct vb2_queue *q, unsigned int count)
		coda_fill_bitstream(ctx, &list);
		mutex_unlock(&ctx->bitstream_mutex);

		if (coda_get_bitstream_payload(ctx) < 512) {
		if (ctx->dev->devtype->product != CODA_960 &&
		coda_get_bitstream_payload(ctx) < 512) {
		v4l2_err(v4l2_dev, "start payload < 512\n");
		ret = -EINVAL;
		goto err;
		}

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