[PATCH] media: verisilicon: av1: Store chroma and mv offsets

[Benjamin Gaignard]

Store chroma and motion vectors offsets for each frame so
they can be used later when resolution change.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard at collabora.com>
---
 drivers/media/platform/verisilicon/hantro.h              | 7 +++++++
 .../platform/verisilicon/rockchip_vpu981_hw_av1_dec.c    | 9 +++++----
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/drivers/media/platform/verisilicon/hantro.h b/drivers/media/platform/verisilicon/hantro.h
index 811260dc3c77..6d36371c1d13 100644
--- a/drivers/media/platform/verisilicon/hantro.h
+++ b/drivers/media/platform/verisilicon/hantro.h
@@ -332,12 +332,19 @@ struct hantro_vp9_decoded_buffer_info {
 	u32 bit_depth : 4;
 };
 
+struct hantro_av1_decoded_buffer_info {
+	/* Info needed when the decoded frame serves as a reference frame. */
+	size_t chroma_offset;
+	size_t mv_offset;
+};
+
 struct hantro_decoded_buffer {
 	/* Must be the first field in this struct. */
 	struct v4l2_m2m_buffer base;
 
 	union {
 		struct hantro_vp9_decoded_buffer_info vp9;
+		struct hantro_av1_decoded_buffer_info av1;
 	};
 };
 
diff --git a/drivers/media/platform/verisilicon/rockchip_vpu981_hw_av1_dec.c b/drivers/media/platform/verisilicon/rockchip_vpu981_hw_av1_dec.c
index e54f5fac325b..69b5d9e12926 100644
--- a/drivers/media/platform/verisilicon/rockchip_vpu981_hw_av1_dec.c
+++ b/drivers/media/platform/verisilicon/rockchip_vpu981_hw_av1_dec.c
@@ -686,8 +686,6 @@ rockchip_vpu981_av1_dec_set_ref(struct hantro_ctx *ctx, int ref, int idx,
 	struct hantro_dev *vpu = ctx->dev;
 	struct hantro_decoded_buffer *dst;
 	dma_addr_t luma_addr, chroma_addr, mv_addr = 0;
-	size_t cr_offset = rockchip_vpu981_av1_dec_luma_size(ctx);
-	size_t mv_offset = rockchip_vpu981_av1_dec_chroma_size(ctx);
 	int cur_width = frame->frame_width_minus_1 + 1;
 	int cur_height = frame->frame_height_minus_1 + 1;
 	int scale_width =
@@ -744,8 +742,8 @@ rockchip_vpu981_av1_dec_set_ref(struct hantro_ctx *ctx, int ref, int idx,
 
 	dst = vb2_to_hantro_decoded_buf(&av1_dec->frame_refs[idx].vb2_ref->vb2_buf);
 	luma_addr = hantro_get_dec_buf_addr(ctx, &dst->base.vb.vb2_buf);
-	chroma_addr = luma_addr + cr_offset;
-	mv_addr = luma_addr + mv_offset;
+	chroma_addr = luma_addr + dst->av1.chroma_offset;
+	mv_addr = luma_addr + dst->av1.mv_offset;
 
 	hantro_write_addr(vpu, AV1_REFERENCE_Y(ref), luma_addr);
 	hantro_write_addr(vpu, AV1_REFERENCE_CB(ref), chroma_addr);
@@ -2089,6 +2087,9 @@ rockchip_vpu981_av1_dec_set_output_buffer(struct hantro_ctx *ctx)
 	chroma_addr = luma_addr + cr_offset;
 	mv_addr = luma_addr + mv_offset;
 
+	dst->av1.chroma_offset = cr_offset;
+	dst->av1.mv_offset = mv_offset;
+
 	hantro_write_addr(vpu, AV1_TILE_OUT_LU, luma_addr);
 	hantro_write_addr(vpu, AV1_TILE_OUT_CH, chroma_addr);
 	hantro_write_addr(vpu, AV1_TILE_OUT_MV, mv_addr);
-- 
2.43.0