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Date: Wed, 23 Nov 2022 17:24:27 +0800 From: Hsia-Jun Li <randy.li@...aptics.com> To: linux-media@...r.kernel.org Cc: mchehab@...nel.org, hverkuil-cisco@...all.nl, sebastian.fricke@...labora.com, kieran.bingham+renesas@...asonboard.com, laurent.pinchart@...asonboard.com, ming.qian@....com, nicolas.dufresne@...labora.com, wenst@...omium.org, linux-kernel@...r.kernel.org, Randy Li <ayaka@...lik.info> Subject: [PATCH] media: v4l2-mem2mem: allow device run without buf From: Randy Li <ayaka@...lik.info> For the decoder supports Dynamic Resolution Change, we don't need to allocate any CAPTURE or graphics buffer for them at inital CAPTURE setup step. We need to make the device run or we can't get those metadata. Signed-off-by: Randy Li <ayaka@...lik.info> --- drivers/media/v4l2-core/v4l2-mem2mem.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c index be7fde1ed3ea..cd56d60fad9d 100644 --- a/drivers/media/v4l2-core/v4l2-mem2mem.c +++ b/drivers/media/v4l2-core/v4l2-mem2mem.c @@ -301,8 +301,9 @@ static void __v4l2_m2m_try_queue(struct v4l2_m2m_dev *m2m_dev, 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) { + if (!(m2m_ctx->out_q_ctx.q.streaming || m2m_ctx->out_q_ctx.buffered) + || !(m2m_ctx->cap_q_ctx.q.streaming + || m2m_ctx->cap_q_ctx.buffered)) { dprintk("Streaming needs to be on for both queues\n"); return; } -- 2.17.1
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