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authorPhilipp Zabel <p.zabel@pengutronix.de>2019-06-18 12:45:20 -0400
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-06-24 14:31:23 -0400
commitf74c0a29eca57e0024d31d41cbc4fc3d020bb42a (patch)
tree6f04bdd1af434562fee9945f475873a25a4bdbda
parent2719ef7d1b1107892923a1f5b7cbc28cccbdea3d (diff)
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>
-rw-r--r--drivers/media/platform/coda/coda-common.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/media/platform/coda/coda-common.c b/drivers/media/platform/coda/coda-common.c
index 19e3afa4f24d..1f1eb9685bc4 100644
--- a/drivers/media/platform/coda/coda-common.c
+++ b/drivers/media/platform/coda/coda-common.c
@@ -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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