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Subject[PATCH v1 5/9] media: verisilicon: Compute motion vectors size for AV1 frames
Date
Compute the additional required to store motion vectors at
the end of the frames buffers.


Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
---
drivers/media/platform/verisilicon/hantro_hw.h | 13 +++++++++++++
.../media/platform/verisilicon/hantro_postproc.c | 3 +++
drivers/media/platform/verisilicon/hantro_v4l2.c | 5 +++++
3 files changed, 21 insertions(+)

diff --git a/drivers/media/platform/verisilicon/hantro_hw.h b/drivers/media/platform/verisilicon/hantro_hw.h
index e83f0c523a30..8b3bc7e31395 100644
--- a/drivers/media/platform/verisilicon/hantro_hw.h
+++ b/drivers/media/platform/verisilicon/hantro_hw.h
@@ -417,6 +417,19 @@ hantro_hevc_mv_size(unsigned int width, unsigned int height)
return width * height / 16;
}

+static inline unsigned short hantro_av1_num_sbs(unsigned short dimension)
+{
+ return DIV_ROUND_UP(dimension, 64) + 1;
+}
+
+static inline size_t
+hantro_av1_mv_size(unsigned int width, unsigned int height)
+{
+ size_t num_sbs = hantro_av1_num_sbs(width) * hantro_av1_num_sbs(height);
+
+ return ALIGN(num_sbs * 384, 16) + 512;
+}
+
int hantro_g1_mpeg2_dec_run(struct hantro_ctx *ctx);
int rockchip_vpu2_mpeg2_dec_run(struct hantro_ctx *ctx);
void hantro_mpeg2_dec_copy_qtable(u8 *qtable,
diff --git a/drivers/media/platform/verisilicon/hantro_postproc.c b/drivers/media/platform/verisilicon/hantro_postproc.c
index 09d8cf942689..7dc39519a2ee 100644
--- a/drivers/media/platform/verisilicon/hantro_postproc.c
+++ b/drivers/media/platform/verisilicon/hantro_postproc.c
@@ -213,6 +213,9 @@ int hantro_postproc_alloc(struct hantro_ctx *ctx)
else if (ctx->vpu_src_fmt->fourcc == V4L2_PIX_FMT_HEVC_SLICE)
buf_size += hantro_hevc_mv_size(pix_mp.width,
pix_mp.height);
+ else if (ctx->vpu_src_fmt->fourcc == V4L2_PIX_FMT_AV1_FRAME)
+ buf_size += hantro_av1_mv_size(pix_mp.width,
+ pix_mp.height);

for (i = 0; i < num_buffers; ++i) {
struct hantro_aux_buf *priv = &ctx->postproc.dec_q[i];
diff --git a/drivers/media/platform/verisilicon/hantro_v4l2.c b/drivers/media/platform/verisilicon/hantro_v4l2.c
index 2c7a805289e7..d41dcb108a6d 100644
--- a/drivers/media/platform/verisilicon/hantro_v4l2.c
+++ b/drivers/media/platform/verisilicon/hantro_v4l2.c
@@ -334,6 +334,11 @@ static int hantro_try_fmt(const struct hantro_ctx *ctx,
pix_mp->plane_fmt[0].sizeimage +=
hantro_hevc_mv_size(pix_mp->width,
pix_mp->height);
+ else if (ctx->vpu_src_fmt->fourcc == V4L2_PIX_FMT_AV1_FRAME &&
+ !hantro_needs_postproc(ctx, fmt))
+ pix_mp->plane_fmt[0].sizeimage +=
+ hantro_av1_mv_size(pix_mp->width,
+ pix_mp->height);
} else if (!pix_mp->plane_fmt[0].sizeimage) {
/*
* For coded formats the application can specify
--
2.34.1
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