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[v2,09/17] rcar-vin: decrease buffers needed to capture

Message ID 20170524001540.13613-10-niklas.soderlund@ragnatech.se (mailing list archive)
State Accepted
Delegated to: Geert Uytterhoeven
Headers show

Commit Message

Niklas Söderlund May 24, 2017, 12:15 a.m. UTC 
From: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>

It's possible to grab frames using only one buffer, this should never
have been set to anything else then 1.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
 drivers/media/platform/rcar-vin/rcar-dma.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/media/platform/rcar-vin/rcar-dma.c b/drivers/media/platform/rcar-vin/rcar-dma.c
index 9ccd5ff55e192514..c37f7a2993fb5565 100644
--- a/drivers/media/platform/rcar-vin/rcar-dma.c
+++ b/drivers/media/platform/rcar-vin/rcar-dma.c
@@ -1183,7 +1183,7 @@  int rvin_dma_probe(struct rvin_dev *vin, int irq)
 	q->ops = &rvin_qops;
 	q->mem_ops = &vb2_dma_contig_memops;
 	q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
-	q->min_buffers_needed = 2;
+	q->min_buffers_needed = 1;
 	q->dev = vin->dev;
 
 	ret = vb2_queue_init(q);