[PATCH v2 2/8] hantro: Set buffers' zeroth plane payload in .buf_prepare

Ezequiel Garcia
2020-03-18T13:21:59Z

Buffers' zeroth plane payload size is calculated at format
negotiation time, and so it can be set in .buf_prepare.

Keep in mind that, to make this change easier, hantro_buf_prepare
is refactored, using the cedrus driver as reference. This results
in cleaner code as byproduct.

Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
---
drivers/staging/media/hantro/hantro_v4l2.c | 16 +++++++++++-----
1 file changed, 11 insertions(+), 5 deletions(-)

diff --git a/drivers/staging/media/hantro/hantro_v4l2.c b/drivers/staging/media/hantro/hantro_v4l2.c
index f4ae2cee0f18..3142ab6697d5 100644
--- a/drivers/staging/media/hantro/hantro_v4l2.c
+++ b/drivers/staging/media/hantro/hantro_v4l2.c
@@ -608,7 +608,7 @@ hantro_queue_setup(struct vb2_queue *vq, unsigned int *num_buffers,
}

static int
-hantro_buf_plane_check(struct vb2_buffer *vb, const struct hantro_fmt *vpu_fmt,
+hantro_buf_plane_check(struct vb2_buffer *vb,
struct v4l2_pix_format_mplane *pixfmt)
{
unsigned int sz;
@@ -630,12 +630,18 @@ static int hantro_buf_prepare(struct vb2_buffer *vb)
{
struct vb2_queue *vq = vb->vb2_queue;
struct hantro_ctx *ctx = vb2_get_drv_priv(vq);
+ struct v4l2_pix_format_mplane *pix_fmt;
+ int ret;

if (V4L2_TYPE_IS_OUTPUT(vq->type))
- return hantro_buf_plane_check(vb, ctx->vpu_src_fmt,
- &ctx->src_fmt);
-
- return hantro_buf_plane_check(vb, ctx->vpu_dst_fmt, &ctx->dst_fmt);
+ pix_fmt = &ctx->src_fmt;
+ else
+ pix_fmt = &ctx->dst_fmt;
+ ret = hantro_buf_plane_check(vb, pix_fmt);
+ if (ret)
+ return ret;
+ vb2_set_plane_payload(vb, 0, pix_fmt->plane_fmt[0].sizeimage);
+ return 0;
}

static void hantro_buf_queue(struct vb2_buffer *vb)
--
2.25.0