[PATCH 2/2] media: rkisp1: cap: initialize dma buf address in 'buf_init' cb
From: Dafna Hirschfeld <hidden>
Date: 2021-06-25 08:23:30
Also in:
linux-media
Subsystem:
arm/rockchip soc support, media input infrastructure (v4l/dvb), the rest · Maintainers:
Heiko Stuebner, Mauro Carvalho Chehab, Linus Torvalds
Initializing the dma addresses of the capture buffers can move to the 'buf_init' callback, since it is enough to do it once for each buffer and not every time it is queued. Signed-off-by: Dafna Hirschfeld <redacted> --- .../media/platform/rockchip/rkisp1/rkisp1-capture.c | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
index 60cd2200e7ae..41988eb0ec0a 100644
--- a/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c
+++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-capture.c@@ -750,7 +750,7 @@ static int rkisp1_vb2_queue_setup(struct vb2_queue *queue, return 0; } -static void rkisp1_vb2_buf_queue(struct vb2_buffer *vb) +static int rkisp1_vb2_buf_init(struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct rkisp1_buffer *ispbuf =
@@ -780,6 +780,15 @@ static void rkisp1_vb2_buf_queue(struct vb2_buffer *vb) if (cap->pix.info->comp_planes == 3 && cap->pix.cfg->uv_swap) swap(ispbuf->buff_addr[RKISP1_PLANE_CR], ispbuf->buff_addr[RKISP1_PLANE_CB]); + return 0; +} + +static void rkisp1_vb2_buf_queue(struct vb2_buffer *vb) +{ + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); + struct rkisp1_buffer *ispbuf = + container_of(vbuf, struct rkisp1_buffer, vb); + struct rkisp1_capture *cap = vb->vb2_queue->drv_priv; spin_lock_irq(&cap->buf.lock); list_add_tail(&ispbuf->queue, &cap->buf.queue);
@@ -1039,6 +1048,7 @@ rkisp1_vb2_start_streaming(struct vb2_queue *queue, unsigned int count) static const struct vb2_ops rkisp1_vb2_ops = { .queue_setup = rkisp1_vb2_queue_setup, + .buf_init = rkisp1_vb2_buf_init, .buf_queue = rkisp1_vb2_buf_queue, .buf_prepare = rkisp1_vb2_buf_prepare, .wait_prepare = vb2_ops_wait_prepare,
--
2.17.1
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