media: verisilicon: Store chroma and motion vectors offset

Store computed values of chroma and motion vectors offset because
they depends on width and height values which change if the resolution
change.

Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
CC: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
CC: Philipp Zabel <p.zabel@pengutronix.de>

drivers/media/platform/verisilicon/hantro.h

@@ -328,6 +328,8 @@ struct hantro_vp9_decoded_buffer_info {
 	/* Info needed when the decoded frame serves as a reference frame. */
 	unsigned short width;
 	unsigned short height;
+	size_t chroma_offset;
+	size_t mv_offset;
 	u32 bit_depth : 4;
 };
 

drivers/media/platform/verisilicon/hantro_g2_vp9_dec.c

@@ -158,9 +158,11 @@ static void config_output(struct hantro_ctx *ctx,
 
 	chroma_addr = luma_addr + chroma_offset(ctx, dec_params);
 	hantro_write_addr(ctx->dev, G2_OUT_CHROMA_ADDR, chroma_addr);
+	dst->vp9.chroma_offset = chroma_offset(ctx, dec_params);
 
 	mv_addr = luma_addr + mv_offset(ctx, dec_params);
 	hantro_write_addr(ctx->dev, G2_OUT_MV_ADDR, mv_addr);
+	dst->vp9.mv_offset = mv_offset(ctx, dec_params);
 }
 
 struct hantro_vp9_ref_reg {
@@ -195,7 +197,7 @@ static void config_ref(struct hantro_ctx *ctx,
 	luma_addr = hantro_get_dec_buf_addr(ctx, &buf->base.vb.vb2_buf);
 	hantro_write_addr(ctx->dev, ref_reg->y_base, luma_addr);
 
-	chroma_addr = luma_addr + chroma_offset(ctx, dec_params);
+	chroma_addr = luma_addr + buf->vp9.chroma_offset;
 	hantro_write_addr(ctx->dev, ref_reg->c_base, chroma_addr);
 }
 
@@ -238,7 +240,7 @@ static void config_ref_registers(struct hantro_ctx *ctx,
 	config_ref(ctx, dst, &ref_regs[2], dec_params, dec_params->alt_frame_ts);
 
 	mv_addr = hantro_get_dec_buf_addr(ctx, &mv_ref->base.vb.vb2_buf) +
-		  mv_offset(ctx, dec_params);
+		  mv_ref->vp9.mv_offset;
 	hantro_write_addr(ctx->dev, G2_REF_MV_ADDR(0), mv_addr);
 
 	hantro_reg_write(ctx->dev, &vp9_last_sign_bias,