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Message-ID: <f42c4105-7853-444d-aca2-bf3b34decf57@collabora.com>
Date: Thu, 9 Nov 2023 15:25:37 +0100
From: Andrzej Pietrasiewicz <andrzej.p@...labora.com>
To: Benjamin Gaignard <benjamin.gaignard@...labora.com>,
mchehab@...nel.org, tfiga@...omium.org, m.szyprowski@...sung.com,
ming.qian@....com, ezequiel@...guardiasur.com.ar,
p.zabel@...gutronix.de, gregkh@...uxfoundation.org,
hverkuil-cisco@...all.nl, nicolas.dufresne@...labora.com
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, linux-arm-msm@...r.kernel.org,
linux-rockchip@...ts.infradead.org, linux-staging@...ts.linux.dev,
kernel@...labora.com
Subject: Re: [PATCH v14 49/56] media: verisilicon: g2: Use common helpers to
compute chroma and mv offsets
W dniu 31.10.2023 o 17:30, Benjamin Gaignard pisze:
> HEVC and VP9 are running on the same hardware and share the same
> chroma and motion vectors offset constraint.
> Create common helpers functions for these computation.
> Source and destination buffer height may not be the same because
> alignment constraint are different so use destination height to
> compute chroma offset because we target this buffer as hardware
> output.
> To be able to use the helpers in both VP9 HEVC code remove dec_params
> and use context->bit_depth instead.
>
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@...labora.com>
Reviewed-by: Andrzej Pietrasiewicz <andrzej.p@...labora.com>
> CC: Ezequiel Garcia <ezequiel@...guardiasur.com.ar>
> CC: Philipp Zabel <p.zabel@...gutronix.de>
> ---
> .../media/platform/verisilicon/hantro_g2.c | 14 ++++++++++
> .../platform/verisilicon/hantro_g2_hevc_dec.c | 18 ++-----------
> .../platform/verisilicon/hantro_g2_vp9_dec.c | 26 +++----------------
> .../media/platform/verisilicon/hantro_hw.h | 3 +++
> 4 files changed, 23 insertions(+), 38 deletions(-)
>
> diff --git a/drivers/media/platform/verisilicon/hantro_g2.c b/drivers/media/platform/verisilicon/hantro_g2.c
> index ee5f14c5f8f2..b880a6849d58 100644
> --- a/drivers/media/platform/verisilicon/hantro_g2.c
> +++ b/drivers/media/platform/verisilicon/hantro_g2.c
> @@ -8,6 +8,8 @@
> #include "hantro_hw.h"
> #include "hantro_g2_regs.h"
>
> +#define G2_ALIGN 16
> +
> void hantro_g2_check_idle(struct hantro_dev *vpu)
> {
> int i;
> @@ -42,3 +44,15 @@ irqreturn_t hantro_g2_irq(int irq, void *dev_id)
>
> return IRQ_HANDLED;
> }
> +
> +size_t hantro_g2_chroma_offset(struct hantro_ctx *ctx)
> +{
> + return ctx->dst_fmt.width * ctx->dst_fmt.height * ctx->bit_depth / 8;
> +}
> +
> +size_t hantro_g2_motion_vectors_offset(struct hantro_ctx *ctx)
> +{
> + size_t cr_offset = hantro_g2_chroma_offset(ctx);
> +
> + return ALIGN((cr_offset * 3) / 2, G2_ALIGN);
> +}
> diff --git a/drivers/media/platform/verisilicon/hantro_g2_hevc_dec.c b/drivers/media/platform/verisilicon/hantro_g2_hevc_dec.c
> index a9d4ac84a8d8..d3f8c33eb16c 100644
> --- a/drivers/media/platform/verisilicon/hantro_g2_hevc_dec.c
> +++ b/drivers/media/platform/verisilicon/hantro_g2_hevc_dec.c
> @@ -8,20 +8,6 @@
> #include "hantro_hw.h"
> #include "hantro_g2_regs.h"
>
> -#define G2_ALIGN 16
> -
> -static size_t hantro_hevc_chroma_offset(struct hantro_ctx *ctx)
> -{
> - return ctx->dst_fmt.width * ctx->dst_fmt.height * ctx->bit_depth / 8;
> -}
> -
> -static size_t hantro_hevc_motion_vectors_offset(struct hantro_ctx *ctx)
> -{
> - size_t cr_offset = hantro_hevc_chroma_offset(ctx);
> -
> - return ALIGN((cr_offset * 3) / 2, G2_ALIGN);
> -}
> -
> static void prepare_tile_info_buffer(struct hantro_ctx *ctx)
> {
> struct hantro_dev *vpu = ctx->dev;
> @@ -384,8 +370,8 @@ static int set_ref(struct hantro_ctx *ctx)
> struct hantro_dev *vpu = ctx->dev;
> struct vb2_v4l2_buffer *vb2_dst;
> struct hantro_decoded_buffer *dst;
> - size_t cr_offset = hantro_hevc_chroma_offset(ctx);
> - size_t mv_offset = hantro_hevc_motion_vectors_offset(ctx);
> + size_t cr_offset = hantro_g2_chroma_offset(ctx);
> + size_t mv_offset = hantro_g2_motion_vectors_offset(ctx);
> u32 max_ref_frames;
> u16 dpb_longterm_e;
> static const struct hantro_reg cur_poc[] = {
> diff --git a/drivers/media/platform/verisilicon/hantro_g2_vp9_dec.c b/drivers/media/platform/verisilicon/hantro_g2_vp9_dec.c
> index 6db1c32fce4d..342e543dee4c 100644
> --- a/drivers/media/platform/verisilicon/hantro_g2_vp9_dec.c
> +++ b/drivers/media/platform/verisilicon/hantro_g2_vp9_dec.c
> @@ -16,8 +16,6 @@
> #include "hantro_vp9.h"
> #include "hantro_g2_regs.h"
>
> -#define G2_ALIGN 16
> -
> enum hantro_ref_frames {
> INTRA_FRAME = 0,
> LAST_FRAME = 1,
> @@ -90,22 +88,6 @@ static int start_prepare_run(struct hantro_ctx *ctx, const struct v4l2_ctrl_vp9_
> return 0;
> }
>
> -static size_t chroma_offset(const struct hantro_ctx *ctx,
> - const struct v4l2_ctrl_vp9_frame *dec_params)
> -{
> - int bytes_per_pixel = dec_params->bit_depth == 8 ? 1 : 2;
> -
> - return ctx->src_fmt.width * ctx->src_fmt.height * bytes_per_pixel;
> -}
> -
> -static size_t mv_offset(const struct hantro_ctx *ctx,
> - const struct v4l2_ctrl_vp9_frame *dec_params)
> -{
> - size_t cr_offset = chroma_offset(ctx, dec_params);
> -
> - return ALIGN((cr_offset * 3) / 2, G2_ALIGN);
> -}
> -
> static struct hantro_decoded_buffer *
> get_ref_buf(struct hantro_ctx *ctx, struct vb2_v4l2_buffer *dst, u64 timestamp)
> {
> @@ -156,13 +138,13 @@ static void config_output(struct hantro_ctx *ctx,
> luma_addr = hantro_get_dec_buf_addr(ctx, &dst->base.vb.vb2_buf);
> hantro_write_addr(ctx->dev, G2_OUT_LUMA_ADDR, luma_addr);
>
> - chroma_addr = luma_addr + chroma_offset(ctx, dec_params);
> + chroma_addr = luma_addr + hantro_g2_chroma_offset(ctx);
> hantro_write_addr(ctx->dev, G2_OUT_CHROMA_ADDR, chroma_addr);
> - dst->vp9.chroma_offset = chroma_offset(ctx, dec_params);
> + dst->vp9.chroma_offset = hantro_g2_chroma_offset(ctx);
>
> - mv_addr = luma_addr + mv_offset(ctx, dec_params);
> + mv_addr = luma_addr + hantro_g2_motion_vectors_offset(ctx);
> hantro_write_addr(ctx->dev, G2_OUT_MV_ADDR, mv_addr);
> - dst->vp9.mv_offset = mv_offset(ctx, dec_params);
> + dst->vp9.mv_offset = hantro_g2_motion_vectors_offset(ctx);
> }
>
> struct hantro_vp9_ref_reg {
> diff --git a/drivers/media/platform/verisilicon/hantro_hw.h b/drivers/media/platform/verisilicon/hantro_hw.h
> index 292a76ef643e..9aec8a79acdc 100644
> --- a/drivers/media/platform/verisilicon/hantro_hw.h
> +++ b/drivers/media/platform/verisilicon/hantro_hw.h
> @@ -521,6 +521,9 @@ hantro_av1_mv_size(unsigned int width, unsigned int height)
> return ALIGN(num_sbs * 384, 16) * 2 + 512;
> }
>
> +size_t hantro_g2_chroma_offset(struct hantro_ctx *ctx);
> +size_t hantro_g2_motion_vectors_offset(struct hantro_ctx *ctx);
> +
> 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,
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