linux-kernel - [PATCH v2] media: v4l2-mem2mem: Fix hold buf flag checks

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Message-Id: <20191106070253.1986421-1-jernej.skrabec@siol.net>
Date:   Wed,  6 Nov 2019 08:02:53 +0100
From:   Jernej Skrabec <jernej.skrabec@...l.net>
To:     mchehab@...nel.org, hverkuil-cisco@...all.nl
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2] media: v4l2-mem2mem: Fix hold buf flag checks

Hold buf flag is set on output queue, not capture. Fix that.

Fixes: f07602ac3887 ("media: v4l2-mem2mem: add new_frame detection")
Signed-off-by: Jernej Skrabec <jernej.skrabec@...l.net>
---
 drivers/media/v4l2-core/v4l2-mem2mem.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c
index db07ef3bf3d0..1afd9c6ad908 100644
--- a/drivers/media/v4l2-core/v4l2-mem2mem.c
+++ b/drivers/media/v4l2-core/v4l2-mem2mem.c
@@ -335,7 +335,7 @@ static void __v4l2_m2m_try_queue(struct v4l2_m2m_dev *m2m_dev,
 		}
 	}
 
-	if (src && dst && (m2m_ctx->cap_q_ctx.q.subsystem_flags &
+	if (src && dst && (m2m_ctx->out_q_ctx.q.subsystem_flags &
 			   VB2_V4L2_FL_SUPPORTS_M2M_HOLD_CAPTURE_BUF))
 		m2m_ctx->new_frame = !dst->vb2_buf.copied_timestamp ||
 			dst->vb2_buf.timestamp != src->vb2_buf.timestamp;
@@ -474,7 +474,7 @@ void v4l2_m2m_job_finish(struct v4l2_m2m_dev *m2m_dev,
 	 * holding capture buffers. Those should use
 	 * v4l2_m2m_buf_done_and_job_finish() instead.
 	 */
-	WARN_ON(m2m_ctx->cap_q_ctx.q.subsystem_flags &
+	WARN_ON(m2m_ctx->out_q_ctx.q.subsystem_flags &
 		VB2_V4L2_FL_SUPPORTS_M2M_HOLD_CAPTURE_BUF);
 	spin_lock_irqsave(&m2m_dev->job_spinlock, flags);
 	schedule_next = _v4l2_m2m_job_finish(m2m_dev, m2m_ctx);
-- 
2.24.0