From: Deepak Sharma <deepak.sharma@xxxxxxx>
Modify vgem_init to take platform dev as parent in drm_dev_init.
This will make drm device available at "/sys/devices/platform/vgem"
in x86 chromebook.
Signed-off-by: Deepak Sharma <deepak.sharma@xxxxxxx>
---
drivers/gpu/drm/vgem/vgem_drv.c | 15 +++++++--------
1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c
index c938af8c40cf..17e2eafc62b8 100644
--- a/drivers/gpu/drm/vgem/vgem_drv.c
+++ b/drivers/gpu/drm/vgem/vgem_drv.c
@@ -471,31 +471,30 @@ static int __init vgem_init(void)
if (!vgem_device)
return -ENOMEM;
- ret = drm_dev_init(&vgem_device->drm, &vgem_driver, NULL);
- if (ret)
- goto out_free;
-
vgem_device->platform =
platform_device_register_simple("vgem", -1, NULL, 0);
if (IS_ERR(vgem_device->platform)) {
ret = PTR_ERR(vgem_device->platform);
- goto out_fini;
+ goto out_free;
}
dma_coerce_mask_and_coherent(&vgem_device->platform->dev,
DMA_BIT_MASK(64));
+ ret = drm_dev_init(&vgem_device->drm, &vgem_driver, &vgem_device->platform->dev);
+ if (ret)
+ goto out_unregister;
/* Final step: expose the device/driver to userspace */
ret = drm_dev_register(&vgem_device->drm, 0);
if (ret)
- goto out_unregister;
+ goto out_fini;
return 0;
-out_unregister:
- platform_device_unregister(vgem_device->platform);
out_fini:
drm_dev_fini(&vgem_device->drm);
+out_unregister:
+ platform_device_unregister(vgem_device->platform);
out_free:
kfree(vgem_device);
return ret;
--
2.14.2
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