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From f9ab3e8acbbd27e81a232aa671838ace4263d46a Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Mon, 1 Feb 2021 18:48:47 +0000
Subject: [PATCH] media/v4l2_m2m: In buffered mode run jobs if either
port is streaming
In order to get the intended behaviour of the stateful video
decoder API where only the OUTPUT queue needs to be enabled and fed
buffers in order to get the SOURCE_CHANGED event that configures the
CAPTURE queue, we want the device to run should either queue be
streaming.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
drivers/media/v4l2-core/v4l2-mem2mem.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
--- a/drivers/media/v4l2-core/v4l2-mem2mem.c
+++ b/drivers/media/v4l2-core/v4l2-mem2mem.c
@@ -301,9 +301,10 @@ static void __v4l2_m2m_try_queue(struct
dprintk("Trying to schedule a job for m2m_ctx: %p\n", m2m_ctx);
- if (!m2m_ctx->out_q_ctx.q.streaming
- || !m2m_ctx->cap_q_ctx.q.streaming) {
- dprintk("Streaming needs to be on for both queues\n");
+ if (!(m2m_ctx->out_q_ctx.q.streaming &&
+ m2m_ctx->cap_q_ctx.q.streaming) &&
+ !(m2m_ctx->out_q_ctx.buffered && m2m_ctx->out_q_ctx.q.streaming)) {
+ dprintk("Streaming needs to be on for both queues, or buffered and OUTPUT streaming\n");
return;
}
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