Commit d7d24d77 authored by Laurent Pinchart's avatar Laurent Pinchart Committed by Mauro Carvalho Chehab
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media: ti-vpe: cal: Remove DMA queue empty check at start streaming time 



The vb2 queue ensures that the start streaming operation will only be
called with a minimal number of buffers queued to the driver. There's
thus no need to manually check if the DMA queue is empty. Remove the
check.

Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: default avatarBenoit Parrot <bparrot@ti.com>
Signed-off-by: default avatarHans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 45546640

drivers/media/platform/ti-vpe/cal-video.c

+0 −6
Original line number Diff line number Diff line
@@ -511,12 +511,6 @@ static int cal_start_streaming(struct vb2_queue *vq, unsigned int count) 
	int ret;



	spin_lock_irq(&ctx->slock);

	if (list_empty(&dma_q->active)) {

		spin_unlock_irq(&ctx->slock);

		ctx_dbg(3, ctx, "buffer queue is empty\n");

		return -EIO;

	}



	buf = list_entry(dma_q->active.next, struct cal_buffer, list);

	ctx->cur_frm = buf;

	ctx->next_frm = buf;