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FROMLIST: drm/rockchip: add fb_dmabuf_export support

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Add support for fb_dmabuf_export call, which is executed when ioctl
FBIOGET_DMABUF is called.

Change-Id: I13b753ae25d043835b1f4ffc20b5e233171d1096
Signed-off-by: Guillaume Tucker <guillaume.tucker@arm.com>
Signed-off-by: Mark Yao <mark.yao@rock-chips.com>
Signed-off-by: Sandy Huang <hjc@rock-chips.com>
(am from 61062681c9)
This commit is contained in:
Grzegorz Prajsner
2015-06-24 15:23:13 +01:00
committed by Tao Huang
parent 3cbf2deaa0
commit 6bc1d2e52d
1 changed files with 18 additions and 0 deletions
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18
drivers/gpu/drm/rockchip/rockchip_drm_fbdev.c
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@@ -33,6 +33,23 @@ static int rockchip_fbdev_mmap(struct fb_info *info,
return rockchip_gem_mmap_buf(private->fbdev_bo, vma);
}
static struct dma_buf *rockchip_fbdev_get_dma_buf(struct fb_info *info)
{
struct dma_buf *buf = NULL;
struct drm_fb_helper *helper = info->par;
struct rockchip_drm_private *private = helper->dev->dev_private;
struct drm_device *dev = helper->dev;
if (dev->driver->gem_prime_export) {
buf = dev->driver->gem_prime_export(dev, private->fbdev_bo,
O_RDWR);
if (buf)
drm_gem_object_get(private->fbdev_bo);
}
return buf;
}
static struct fb_ops rockchip_drm_fbdev_ops = {
.owner = THIS_MODULE,
DRM_FB_HELPER_DEFAULT_OPS,
@@ -40,6 +57,7 @@ static struct fb_ops rockchip_drm_fbdev_ops = {
.fb_fillrect = drm_fb_helper_cfb_fillrect,
.fb_copyarea = drm_fb_helper_cfb_copyarea,
.fb_imageblit = drm_fb_helper_cfb_imageblit,
.fb_dmabuf_export = rockchip_fbdev_get_dma_buf,
};
static int rockchip_drm_fbdev_create(struct drm_fb_helper *helper,