media: mtk-vcodec: enlarge struct vdec_pic_info fields

Enlarge the plane number to support more complex case
and add the support for fmt change case.
Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

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]);
 
 		mtk_v4l2_debug(2,
 				"[%d]status=%x queue id=%d to done_list %d",
@@ -276,6 +276,27 @@ 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;
@@ -297,6 +318,10 @@ 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;
@@ -350,11 +375,11 @@ 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);
 
@@ -974,14 +999,13 @@ 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
@@ -1101,10 +1125,11 @@ 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,
@@ -1190,21 +1215,18 @@ 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)

drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h

@@ -211,24 +211,20 @@ 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
  * E.g. suppose picture size is 176x144,
  *      buffer size will be aligned to 176x160.
+ * @cap_fourcc: fourcc number(may changed when resolution change)
+ * @reserved: align struct to 64-bit in order to adjust 32-bit and 64-bit os.
  */
 struct vdec_pic_info {
 	unsigned int pic_w;
 	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;
 };
 
 /**

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)

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)

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)