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Commit b53e19e1 authored by Ezequiel Garcia's avatar Ezequiel Garcia Committed by Mauro Carvalho Chehab
Browse files

media: s5p-g2d: Implement wait_prepare and wait_finish 



This driver is currently specifying a vb2_queue lock,
which means it straightforward to implement wait_prepare
and wait_finish.

Having these callbacks releases the queue lock while blocking,
which improves latency by allowing for example streamoff
or qbuf operations while waiting in dqbuf.

Signed-off-by: default avatarEzequiel Garcia <ezequiel@collabora.com>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
parent f1db5d97

drivers/media/platform/s5p-g2d/g2d.c

+2 −0
Original line number Diff line number Diff line
@@ -142,6 +142,8 @@ static const struct vb2_ops g2d_qops = { 
	.queue_setup	= g2d_queue_setup,

	.buf_prepare	= g2d_buf_prepare,

	.buf_queue	= g2d_buf_queue,

	.wait_prepare	= vb2_ops_wait_prepare,

	.wait_finish	= vb2_ops_wait_finish,

};



static int queue_init(void *priv, struct vb2_queue *src_vq,