[media] mtk-vcodec: convert driver to use the new vb2_queue dev field

The patch dropping the vb2_dma_contig_init_ctx() and _cleanup_ctx()
functions was already applied before this driver was added. So convert
this driver as well.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

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

@@ -265,8 +265,6 @@ struct mtk_vcodec_ctx {
  * @m2m_dev_enc: m2m device for encoder.
  * @plat_dev: platform device
  * @vpu_plat_dev: mtk vpu platform device
- * @alloc_ctx: VB2 allocator context
- *	       (for allocations without kernel mapping).
  * @ctx_list: list of struct mtk_vcodec_ctx
  * @irqlock: protect data access by irq handler and work thread
  * @curr_ctx: The context that is waiting for codec hardware
@@ -299,7 +297,6 @@ struct mtk_vcodec_dev {
 	struct v4l2_m2m_dev *m2m_dev_enc;
 	struct platform_device *plat_dev;
 	struct platform_device *vpu_plat_dev;
-	struct vb2_alloc_ctx *alloc_ctx;
 	struct list_head ctx_list;
 	spinlock_t irqlock;
 	struct mtk_vcodec_ctx *curr_ctx;

drivers/media/platform/mtk-vcodec/mtk_vcodec_enc.c

@@ -693,7 +693,8 @@ const struct v4l2_ioctl_ops mtk_venc_ioctl_ops = {
 static int vb2ops_venc_queue_setup(struct vb2_queue *vq,
 				   unsigned int *nbuffers,
 				   unsigned int *nplanes,
-				   unsigned int sizes[], void *alloc_ctxs[])
+				   unsigned int sizes[],
+				   struct device *alloc_devs[])
 {
 	struct mtk_vcodec_ctx *ctx = vb2_get_drv_priv(vq);
 	struct mtk_q_data *q_data;
@@ -705,17 +706,13 @@ static int vb2ops_venc_queue_setup(struct vb2_queue *vq,
 		return -EINVAL;
 
 	if (*nplanes) {
-		for (i = 0; i < *nplanes; i++) {
+		for (i = 0; i < *nplanes; i++)
 			if (sizes[i] < q_data->sizeimage[i])
 				return -EINVAL;
-			alloc_ctxs[i] = ctx->dev->alloc_ctx;
-		}
 	} else {
 		*nplanes = q_data->fmt->num_planes;
-		for (i = 0; i < *nplanes; i++) {
+		for (i = 0; i < *nplanes; i++)
 			sizes[i] = q_data->sizeimage[i];
-			alloc_ctxs[i] = ctx->dev->alloc_ctx;
-		}
 	}
 
 	return 0;
@@ -1249,6 +1246,7 @@ int mtk_vcodec_enc_queue_init(void *priv, struct vb2_queue *src_vq,
 	src_vq->mem_ops		= &vb2_dma_contig_memops;
 	src_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
 	src_vq->lock		= &ctx->dev->dev_mutex;
+	src_vq->dev		= &ctx->dev->plat_dev->dev;
 
 	ret = vb2_queue_init(src_vq);
 	if (ret)
@@ -1262,6 +1260,7 @@ int mtk_vcodec_enc_queue_init(void *priv, struct vb2_queue *src_vq,
 	dst_vq->mem_ops		= &vb2_dma_contig_memops;
 	dst_vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_COPY;
 	dst_vq->lock		= &ctx->dev->dev_mutex;
+	dst_vq->dev		= &ctx->dev->plat_dev->dev;
 
 	return vb2_queue_init(dst_vq);
 }

drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c

@@ -357,14 +357,6 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
 	dev->vfd_enc = vfd_enc;
 	platform_set_drvdata(pdev, dev);
 
-	dev->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
-	if (IS_ERR((__force void *)dev->alloc_ctx)) {
-		mtk_v4l2_err("Failed to alloc vb2 dma context 0");
-		ret = PTR_ERR((__force void *)dev->alloc_ctx);
-		dev->alloc_ctx = NULL;
-		goto err_vb2_ctx_init;
-	}
-
 	dev->m2m_dev_enc = v4l2_m2m_init(&mtk_venc_m2m_ops);
 	if (IS_ERR((__force void *)dev->m2m_dev_enc)) {
 		mtk_v4l2_err("Failed to init mem2mem enc device");
@@ -401,8 +393,6 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
 err_event_workq:
 	v4l2_m2m_release(dev->m2m_dev_enc);
 err_enc_mem_init:
-	vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
-err_vb2_ctx_init:
 	video_unregister_device(vfd_enc);
 err_enc_alloc:
 	v4l2_device_unregister(&dev->v4l2_dev);
@@ -426,8 +416,6 @@ static int mtk_vcodec_enc_remove(struct platform_device *pdev)
 	destroy_workqueue(dev->encode_workqueue);
 	if (dev->m2m_dev_enc)
 		v4l2_m2m_release(dev->m2m_dev_enc);
-	if (dev->alloc_ctx)
-		vb2_dma_contig_cleanup_ctx(dev->alloc_ctx);
 
 	if (dev->vfd_enc)
 		video_unregister_device(dev->vfd_enc);