Commit 7c397cd9 authored by Joonyoung Shim's avatar Joonyoung Shim Committed by Dave Airlie
Browse files

drm: add mmap function to prime helpers 



This adds to call low-level mmap() from prime helpers.

Signed-off-by: default avatarJoonyoung Shim <jy0922.shim@samsung.com>
Acked-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: default avatarDave Airlie <airlied@redhat.com>
parent f9d8a129

drivers/gpu/drm/drm_prime.c

+7 −1
Original line number Diff line number Diff line
@@ -245,7 +245,13 @@ static void drm_gem_dmabuf_kunmap(struct dma_buf *dma_buf, 
static int drm_gem_dmabuf_mmap(struct dma_buf *dma_buf,

		struct vm_area_struct *vma)

{

	return -EINVAL;

	struct drm_gem_object *obj = dma_buf->priv;

	struct drm_device *dev = obj->dev;



	if (!dev->driver->gem_prime_mmap)

		return -ENOSYS;



	return dev->driver->gem_prime_mmap(obj, vma);

}



static const struct dma_buf_ops drm_gem_prime_dmabuf_ops =  {

include/drm/drmP.h

+2 −0
Original line number Diff line number Diff line
@@ -937,6 +937,8 @@ struct drm_driver { 
				struct sg_table *sgt);

	void *(*gem_prime_vmap)(struct drm_gem_object *obj);

	void (*gem_prime_vunmap)(struct drm_gem_object *obj, void *vaddr);

	int (*gem_prime_mmap)(struct drm_gem_object *obj,

				struct vm_area_struct *vma);



	/* vga arb irq handler */

	void (*vgaarb_irq)(struct drm_device *dev, bool state);