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From 24da14f2d745114eddf9d1d7e1bfde90d1c0c35c Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Thu, 16 Sep 2021 16:46:58 +0100
Subject: [PATCH] staging: bcm2835-codec: Queue flushed buffers instead
of completing
When a buffer is returned on a port that is disabled, return it
to the videobuf2 QUEUED state instead of DONE which returns it
to the client.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
.../staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
+++ b/drivers/staging/vc04_services/bcm2835-codec/bcm2835-v4l2-codec.c
@@ -926,7 +926,9 @@ static void ip_buffer_cb(struct vchiq_mm
v4l2_dbg(3, debug, &ctx->dev->v4l2_dev, "%s: no error. Return buffer %p\n",
__func__, &buf->m2m.vb.vb2_buf);
- vb2_buffer_done(&buf->m2m.vb.vb2_buf, VB2_BUF_STATE_DONE);
+ vb2_buffer_done(&buf->m2m.vb.vb2_buf,
+ port->enabled ? VB2_BUF_STATE_DONE :
+ VB2_BUF_STATE_QUEUED);
ctx->num_ip_buffers++;
v4l2_dbg(2, debug, &ctx->dev->v4l2_dev, "%s: done %d input buffers\n",
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