diff --git a/drivers/gpu/drm/rockchip/ebc-dev/Kconfig b/drivers/gpu/drm/rockchip/ebc-dev/Kconfig
index 2cc01ea3e43a..1b2734d60e02 100644
--- a/drivers/gpu/drm/rockchip/ebc-dev/Kconfig
+++ b/drivers/gpu/drm/rockchip/ebc-dev/Kconfig
@@ -2,6 +2,7 @@
 
 menuconfig ROCKCHIP_EBC_DEV
 	bool "Rockchip eBook Device Driver"
+	select DMA_SHARED_BUFFER
 	help
 	Rockchip eBook Device Dirver could help to driver the electronic ink screen.
 
diff --git a/drivers/gpu/drm/rockchip/ebc-dev/Makefile b/drivers/gpu/drm/rockchip/ebc-dev/Makefile
index aee4fdbbf89c..ec5e347ba025 100644
--- a/drivers/gpu/drm/rockchip/ebc-dev/Makefile
+++ b/drivers/gpu/drm/rockchip/ebc-dev/Makefile
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 
-obj-$(CONFIG_ROCKCHIP_EBC_DEV)   += rkebc.o ebc_public.o
+obj-$(CONFIG_ROCKCHIP_EBC_DEV)   += rkebc.o ebc_public.o ebc_dma_buf.o
 obj-$(CONFIG_ROCKCHIP_EBC_DEV)   += epdlut/
 obj-$(CONFIG_ROCKCHIP_EBC_DEV)   += bufmanage/
 obj-$(CONFIG_ROCKCHIP_EBC_DEV)   += pmic/
diff --git a/drivers/gpu/drm/rockchip/ebc-dev/ebc_dma_buf.c b/drivers/gpu/drm/rockchip/ebc-dev/ebc_dma_buf.c
new file mode 100644
index 000000000000..5d55f821aa84
--- /dev/null
+++ b/drivers/gpu/drm/rockchip/ebc-dev/ebc_dma_buf.c
@@ -0,0 +1,147 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2024 Rockchip Electronics Co., Ltd.
+ */
+
+#include "ebc_dma_buf.h"
+
+struct ebc_dmabuf {
+	phys_addr_t phy_addr;
+	size_t size;
+	int npages;
+	struct page *pages[];
+};
+
+static inline struct ebc_dmabuf *to_ebc_dmabuf(struct dma_buf *buf)
+{
+	return buf->priv;
+}
+
+static struct sg_table *ebc_map_dma_buf(struct dma_buf_attachment *attachment,
+					enum dma_data_direction dir)
+{
+	struct ebc_dmabuf *ebcbuf = to_ebc_dmabuf(attachment->dmabuf);
+	struct sg_table *st;
+	int ret;
+
+	st = kzalloc(sizeof(*st), GFP_KERNEL);
+	if (!st)
+		return ERR_PTR(-ENOMEM);
+
+	ret = sg_alloc_table_from_pages(st, ebcbuf->pages, ebcbuf->npages, 0,
+					ebcbuf->npages << PAGE_SHIFT, GFP_KERNEL);
+	if (ret)
+		goto err_free_st;
+
+	ret = dma_map_sgtable(attachment->dev, st, dir, 0);
+	if (ret)
+		goto err_free_table;
+
+	return st;
+
+err_free_table:
+	sg_free_table(st);
+err_free_st:
+	kfree(st);
+	return ERR_PTR(ret);
+}
+
+static void ebc_unmap_dma_buf(struct dma_buf_attachment *attachment, struct sg_table *st,
+			      enum dma_data_direction dir)
+{
+	dma_unmap_sgtable(attachment->dev, st, dir, 0);
+	sg_free_table(st);
+	kfree(st);
+}
+
+static int ebc_dmabuf_vmap(struct dma_buf *dma_buf, struct iosys_map *map)
+{
+	struct ebc_dmabuf *ebcbuf = to_ebc_dmabuf(dma_buf);
+	void *vaddr;
+
+	vaddr = vmap(ebcbuf->pages, ebcbuf->npages, VM_MAP, pgprot_writecombine(PAGE_KERNEL));
+	if (!vaddr)
+		return -ENOMEM;
+	iosys_map_set_vaddr(map, vaddr);
+
+	return 0;
+}
+
+static void ebc_dmabuf_vunmap(struct dma_buf *dma_buf, struct iosys_map *map)
+{
+	vunmap(map->vaddr);
+	iosys_map_clear(map);
+}
+
+static int ebc_dmabuf_mmap(struct dma_buf *dma_buf, struct vm_area_struct *vma)
+{
+	struct ebc_dmabuf *ebcbuf = to_ebc_dmabuf(dma_buf);
+	unsigned long pfn;
+	int ret;
+
+	pfn = ((unsigned long)(ebcbuf->phy_addr) >> PAGE_SHIFT);
+
+	vm_flags_set(vma, VM_IO | VM_DONTEXPAND | VM_DONTDUMP);
+
+	ret = remap_pfn_range(vma, vma->vm_start, pfn, vma->vm_end - vma->vm_start,
+			      vma->vm_page_prot);
+	if (ret)
+		return -EAGAIN;
+
+	return 0;
+}
+
+static void ebc_dmabuf_release(struct dma_buf *dma_buf)
+{
+	struct ebc_dmabuf *ebcbuf = to_ebc_dmabuf(dma_buf);
+
+	kfree(ebcbuf);
+}
+
+static const struct dma_buf_ops ebc_dmabuf_ops = {
+	.map_dma_buf = ebc_map_dma_buf,
+	.unmap_dma_buf = ebc_unmap_dma_buf,
+	.release = ebc_dmabuf_release,
+	.mmap = ebc_dmabuf_mmap,
+	.vmap = ebc_dmabuf_vmap,
+	.vunmap = ebc_dmabuf_vunmap,
+};
+
+struct dma_buf *ebc_get_dma_buf(phys_addr_t phy_addr, size_t size)
+{
+	struct ebc_dmabuf *ebcbuf;
+	DEFINE_DMA_BUF_EXPORT_INFO(exp_info);
+	struct dma_buf *dmabuf;
+	int i, npages;
+
+	if (size % PAGE_SIZE)
+		return ERR_PTR(-EINVAL);
+
+	npages = size / PAGE_SIZE;
+	ebcbuf = kmalloc(sizeof(*ebcbuf) + npages * sizeof(struct page *), GFP_KERNEL);
+	if (!ebcbuf)
+		return ERR_PTR(-ENOMEM);
+
+	for (i = 0; i < npages; i++)
+		ebcbuf->pages[i] = phys_to_page(phy_addr + i * PAGE_SIZE);
+
+	ebcbuf->phy_addr = phy_addr;
+	ebcbuf->size = size;
+	ebcbuf->npages = npages;
+
+	exp_info.ops = &ebc_dmabuf_ops;
+	exp_info.size = npages * PAGE_SIZE;
+	exp_info.flags = O_RDWR;
+	exp_info.priv = ebcbuf;
+
+	dmabuf = dma_buf_export(&exp_info);
+	if (IS_ERR(dmabuf))
+		goto err;
+
+	return dmabuf;
+
+err:
+	kfree(ebcbuf);
+	return ERR_PTR(-ENOMEM);
+}
+EXPORT_SYMBOL(ebc_get_dma_buf);
diff --git a/drivers/gpu/drm/rockchip/ebc-dev/ebc_dma_buf.h b/drivers/gpu/drm/rockchip/ebc-dev/ebc_dma_buf.h
new file mode 100644
index 000000000000..cd253940755f
--- /dev/null
+++ b/drivers/gpu/drm/rockchip/ebc-dev/ebc_dma_buf.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2024 Rockchip Electronics Co., Ltd.
+ */
+
+#ifndef EBC_DMA_BUF_H
+#define EBC_DMA_BUF_H
+
+#include <linux/dma-buf.h>
+
+/**
+ * ebc_get_dma_buf - Convert ebc buffer to dma_buf
+ * @phy_addr: Physical address of the ebc buffer
+ * @size: Size of the ebc buffer
+ *
+ * The caller must ensure that the physical address and size of the ebc buffer
+ * are aligned to PAGE_SIZE.
+ */
+struct dma_buf *ebc_get_dma_buf(phys_addr_t phy_addr, size_t size);
+
+#endif /* EBC_DMA_BUF_H */