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Message-ID: <f870a6fa-b9af-9064-f677-a9f52226e60b@xs4all.nl>
Date: Thu, 28 Mar 2019 16:06:35 +0100
From: Hans Verkuil <hverkuil@...all.nl>
To: Yunfei Dong <yunfei.dong@...iatek.com>,
Tiffany Lin <tiffany.lin@...iatek.com>
Cc: Mauro Carvalho Chehab <mchehab@...nel.org>,
Matthias Brugger <matthias.bgg@...il.com>,
linux-media@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH,v1] media: mtk-vcodec: enlarge struct vdec_pic_info fields
On 3/23/19 3:23 AM, Yunfei Dong wrote:
> Enlarge the plane number to support more complex case
> and add the support for fmt change case.
>
> Signed-off-by: Yunfei Dong <yunfei.dong@...iatek.com>
> ---
> .../platform/mtk-vcodec/mtk_vcodec_dec.c | 62 +++++++++++++------
> .../platform/mtk-vcodec/mtk_vcodec_drv.h | 16 ++---
> .../platform/mtk-vcodec/vdec/vdec_h264_if.c | 4 +-
> .../platform/mtk-vcodec/vdec/vdec_vp8_if.c | 4 +-
> .../platform/mtk-vcodec/vdec/vdec_vp9_if.c | 11 ++--
> 5 files changed, 57 insertions(+), 40 deletions(-)
>
> diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c
> index d022c65bb34c..43587c0cb022 100644
> --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c
> +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec.c
> @@ -129,9 +129,9 @@ static struct vb2_buffer *get_display_buffer(struct mtk_vcodec_ctx *ctx)
> mutex_lock(&ctx->lock);
> if (dstbuf->used) {
> vb2_set_plane_payload(&dstbuf->vb.vb2_buf, 0,
> - ctx->picinfo.y_bs_sz);
> + ctx->picinfo.fb_sz[0]);
> vb2_set_plane_payload(&dstbuf->vb.vb2_buf, 1,
> - ctx->picinfo.c_bs_sz);
> + ctx->picinfo.fb_sz[1]);
>
> dstbuf->ready_to_display = true;
>
> @@ -278,6 +278,27 @@ static void mtk_vdec_flush_decoder(struct mtk_vcodec_ctx *ctx)
> clean_free_buffer(ctx);
> }
>
> +static void mtk_vdec_update_fmt(struct mtk_vcodec_ctx *ctx,
> + unsigned int pixelformat)
> +{
> + struct mtk_video_fmt *fmt;
> + struct mtk_q_data *dst_q_data;
> + unsigned int k;
> +
> + dst_q_data = &ctx->q_data[MTK_Q_DATA_DST];
> + for (k = 0; k < NUM_FORMATS; k++) {
> + fmt = &mtk_video_formats[k];
> + if (fmt->fourcc == pixelformat) {
> + mtk_v4l2_debug(1, "Update cap fourcc(%d -> %d)",
> + dst_q_data->fmt.fourcc, pixelformat);
> + dst_q_data->fmt = fmt;
> + return;
> + }
> + }
> +
> + mtk_v4l2_err("Cannot get fourcc(%d), using init value", pixelformat);
> +}
> +
> static int mtk_vdec_pic_info_update(struct mtk_vcodec_ctx *ctx)
> {
> unsigned int dpbsize = 0;
> @@ -299,6 +320,10 @@ static int mtk_vdec_pic_info_update(struct mtk_vcodec_ctx *ctx)
> return -EINVAL;
> }
>
> + if (ctx->last_decoded_picinfo.cap_fourcc != ctx->picinfo.cap_fourcc &&
> + ctx->picinfo.cap_fourcc != 0)
> + mtk_vdec_update_fmt(ctx, ctx->picinfo.cap_fourcc);
> +
> if ((ctx->last_decoded_picinfo.pic_w == ctx->picinfo.pic_w) ||
> (ctx->last_decoded_picinfo.pic_h == ctx->picinfo.pic_h))
> return 0;
> @@ -352,11 +377,11 @@ static void mtk_vdec_worker(struct work_struct *work)
> pfb = &dst_buf_info->frame_buffer;
> pfb->base_y.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 0);
> pfb->base_y.dma_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 0);
> - pfb->base_y.size = ctx->picinfo.y_bs_sz + ctx->picinfo.y_len_sz;
> + pfb->base_y.size = ctx->picinfo.fb_sz[0];
>
> pfb->base_c.va = vb2_plane_vaddr(&dst_buf->vb2_buf, 1);
> pfb->base_c.dma_addr = vb2_dma_contig_plane_dma_addr(&dst_buf->vb2_buf, 1);
> - pfb->base_c.size = ctx->picinfo.c_bs_sz + ctx->picinfo.c_len_sz;
> + pfb->base_c.size = ctx->picinfo.fb_sz[1];
> pfb->status = 0;
> mtk_v4l2_debug(3, "===>[%d] vdec_if_decode() ===>", ctx->id);
>
> @@ -976,14 +1001,13 @@ static int vidioc_vdec_g_fmt(struct file *file, void *priv,
> * So we just return picinfo yet, and update picinfo in
> * stop_streaming hook function
> */
> - q_data->sizeimage[0] = ctx->picinfo.y_bs_sz +
> - ctx->picinfo.y_len_sz;
> - q_data->sizeimage[1] = ctx->picinfo.c_bs_sz +
> - ctx->picinfo.c_len_sz;
> + q_data->sizeimage[0] = ctx->picinfo.fb_sz[0];
> + q_data->sizeimage[1] = ctx->picinfo.fb_sz[1];
> q_data->bytesperline[0] = ctx->last_decoded_picinfo.buf_w;
> q_data->bytesperline[1] = ctx->last_decoded_picinfo.buf_w;
> q_data->coded_width = ctx->picinfo.buf_w;
> q_data->coded_height = ctx->picinfo.buf_h;
> + ctx->last_decoded_picinfo.cap_fourcc = q_data->fmt->fourcc;
>
> /*
> * Width and height are set to the dimensions
> @@ -1103,10 +1127,11 @@ static void vb2ops_vdec_buf_queue(struct vb2_buffer *vb)
> struct mtk_vcodec_mem src_mem;
> bool res_chg = false;
> int ret = 0;
> - unsigned int dpbsize = 1;
> + unsigned int dpbsize = 1, i = 0;
> struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vb->vb2_queue);
> struct vb2_v4l2_buffer *vb2_v4l2 = NULL;
> struct mtk_video_dec_buf *buf = NULL;
> + struct mtk_q_data *dst_q_data;
>
> mtk_v4l2_debug(3, "[%d] (%d) id=%d, vb=%p",
> ctx->id, vb->vb2_queue->type,
> @@ -1194,21 +1219,18 @@ static void vb2ops_vdec_buf_queue(struct vb2_buffer *vb)
> }
>
> ctx->last_decoded_picinfo = ctx->picinfo;
> - ctx->q_data[MTK_Q_DATA_DST].sizeimage[0] =
> - ctx->picinfo.y_bs_sz +
> - ctx->picinfo.y_len_sz;
> - ctx->q_data[MTK_Q_DATA_DST].bytesperline[0] =
> - ctx->picinfo.buf_w;
> - ctx->q_data[MTK_Q_DATA_DST].sizeimage[1] =
> - ctx->picinfo.c_bs_sz +
> - ctx->picinfo.c_len_sz;
> - ctx->q_data[MTK_Q_DATA_DST].bytesperline[1] = ctx->picinfo.buf_w;
> + dst_q_data = &ctx->q_data[MTK_Q_DATA_DST];
> + for (i = 0; i < dst_q_data->fmt->num_planes; i++) {
> + dst_q_data->sizeimage[i] = ctx->picinfo.fb_sz[i];
> + dst_q_data->bytesperline[i] = ctx->picinfo.buf_w;
> + }
> +
> mtk_v4l2_debug(2, "[%d] vdec_if_init() OK wxh=%dx%d pic wxh=%dx%d sz[0]=0x%x sz[1]=0x%x",
> ctx->id,
> ctx->picinfo.buf_w, ctx->picinfo.buf_h,
> ctx->picinfo.pic_w, ctx->picinfo.pic_h,
> - ctx->q_data[MTK_Q_DATA_DST].sizeimage[0],
> - ctx->q_data[MTK_Q_DATA_DST].sizeimage[1]);
> + dst_q_data->sizeimage[0],
> + dst_q_data->sizeimage[1]);
>
> ret = vdec_if_get_param(ctx, GET_PARAM_DPB_SIZE, &dpbsize);
> if (dpbsize == 0)
> diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> index e7e2a108def9..2899028b53a1 100644
> --- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> +++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
> @@ -211,12 +211,9 @@ struct mtk_vcodec_pm {
> * @pic_h: picture height
> * @buf_w: picture buffer width (64 aligned up from pic_w)
> * @buf_h: picture buffer heiht (64 aligned up from pic_h)
> - * @y_bs_sz: Y bitstream size
> - * @c_bs_sz: CbCr bitstream size
> - * @y_len_sz: additional size required to store decompress information for y
> - * plane
> - * @c_len_sz: additional size required to store decompress information for cbcr
> - * plane
> + * @fb_sz: bitstream size of each plane
> + * @cap_fourcc: fourcc number(may changed when resolutin change)
resolutin -> resolution
> + * @reserved: reserved for future use.
> * E.g. suppose picture size is 176x144,
> * buffer size will be aligned to 176x160.
I think this last comment belongs after field fb_sz, right?
> */
> @@ -225,10 +222,9 @@ struct vdec_pic_info {
> unsigned int pic_h;
> unsigned int buf_w;
> unsigned int buf_h;
> - unsigned int y_bs_sz;
> - unsigned int c_bs_sz;
> - unsigned int y_len_sz;
> - unsigned int c_len_sz;
> + unsigned int fb_sz[VIDEO_MAX_PLANES];
> + unsigned int cap_fourcc;
> + unsigned int reserved;
Why add a reserved field? Isn't this an internal structure?
> };
>
> /**
> diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c
> index 02c960c63ac0..cdbcd6909728 100644
> --- a/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c
> +++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c
> @@ -253,8 +253,8 @@ static void get_pic_info(struct vdec_h264_inst *inst,
> *pic = inst->vsi->pic;
> mtk_vcodec_debug(inst, "pic(%d, %d), buf(%d, %d)",
> pic->pic_w, pic->pic_h, pic->buf_w, pic->buf_h);
> - mtk_vcodec_debug(inst, "Y(%d, %d), C(%d, %d)", pic->y_bs_sz,
> - pic->y_len_sz, pic->c_bs_sz, pic->c_len_sz);
> + mtk_vcodec_debug(inst, "fb size: Y(%d), C(%d)",
> + pic->fb_sz[0], pic->fb_sz[1]);
> }
>
> static void get_crop_info(struct vdec_h264_inst *inst, struct v4l2_rect *cr)
> diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c
> index bac3723038de..ba79136421ef 100644
> --- a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c
> +++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c
> @@ -294,8 +294,8 @@ static void get_pic_info(struct vdec_vp8_inst *inst, struct vdec_pic_info *pic)
>
> mtk_vcodec_debug(inst, "pic(%d, %d), buf(%d, %d)",
> pic->pic_w, pic->pic_h, pic->buf_w, pic->buf_h);
> - mtk_vcodec_debug(inst, "Y(%d, %d), C(%d, %d)", pic->y_bs_sz,
> - pic->y_len_sz, pic->c_bs_sz, pic->c_len_sz);
> + mtk_vcodec_debug(inst, "fb size: Y(%d), C(%d)",
> + pic->fb_sz[0], pic->fb_sz[1]);
> }
>
> static void vp8_dec_finish(struct vdec_vp8_inst *inst)
> diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
> index bc8349bc2e80..6fe83207bbc4 100644
> --- a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
> +++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
> @@ -702,10 +702,8 @@ static void init_all_fb_lists(struct vdec_vp9_inst *inst)
>
> static void get_pic_info(struct vdec_vp9_inst *inst, struct vdec_pic_info *pic)
> {
> - pic->y_bs_sz = inst->vsi->buf_sz_y_bs;
> - pic->c_bs_sz = inst->vsi->buf_sz_c_bs;
> - pic->y_len_sz = inst->vsi->buf_len_sz_y;
> - pic->c_len_sz = inst->vsi->buf_len_sz_c;
> + pic->fb_sz[0] = inst->vsi->buf_sz_y_bs + inst->vsi->buf_len_sz_y;
> + pic->fb_sz[1] = inst->vsi->buf_sz_c_bs + inst->vsi->buf_len_sz_c;
>
> pic->pic_w = inst->vsi->pic_w;
> pic->pic_h = inst->vsi->pic_h;
> @@ -714,8 +712,9 @@ static void get_pic_info(struct vdec_vp9_inst *inst, struct vdec_pic_info *pic)
>
> mtk_vcodec_debug(inst, "pic(%d, %d), buf(%d, %d)",
> pic->pic_w, pic->pic_h, pic->buf_w, pic->buf_h);
> - mtk_vcodec_debug(inst, "Y(%d, %d), C(%d, %d)", pic->y_bs_sz,
> - pic->y_len_sz, pic->c_bs_sz, pic->c_len_sz);
> + mtk_vcodec_debug(inst, "fb size: Y(%d), C(%d)",
> + pic->fb_sz[0],
> + pic->fb_sz[1]);
> }
>
> static void get_disp_fb(struct vdec_vp9_inst *inst, struct vdec_fb **out_fb)
>
Regards,
Hans
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