hevc_d: Do not map OUTPUT or CAPTURE buffers to kernel

Decoder does not need OUTPUT or CAPTURE buffers mapped into memory. Set
the queue dma_attrs to indicate this.

Signed-off-by: John Cox <[email protected]>

Author: jc-kynesim

drivers/media/platform/raspberrypi/hevc_dec/hevc_d_video.c

@@ -706,6 +706,7 @@ int hevc_d_queue_init(void *priv, struct vb2_queue *src_vq,
 
 	src_vq->type = V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE;
 	src_vq->io_modes = VB2_MMAP | VB2_DMABUF;
+	src_vq->dma_attrs = DMA_ATTR_NO_KERNEL_MAPPING;
 	src_vq->drv_priv = ctx;
 	src_vq->buf_struct_size = sizeof(struct hevc_d_buffer);
 	src_vq->ops = &hevc_d_qops;
@@ -722,6 +723,7 @@ int hevc_d_queue_init(void *priv, struct vb2_queue *src_vq,
 
 	dst_vq->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE;
 	dst_vq->io_modes = VB2_MMAP | VB2_DMABUF;
+	dst_vq->dma_attrs = DMA_ATTR_NO_KERNEL_MAPPING;
 	dst_vq->drv_priv = ctx;
 	dst_vq->buf_struct_size = sizeof(struct hevc_d_buffer);
 	dst_vq->min_queued_buffers = 1;