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drm/vgem: Fix vgem_init to get drm device available. 

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.

v2: rebase, address checkpatch typo and line over 80 characters

Cc: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Deepak Sharma <deepak.sharma@amd.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Emil Velikov <emil.velikov@collabora.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: https://patchwork.freedesktop.org/patch/msgid/20181023163550.15211-1-emil.l.velikov@gmail.com
hifive-unleashed-5.1
Deepak Sharma 2018-10-23 17:35:48 +01:00 committed by Emil Velikov
parent 99fe21a76f
commit d5c04dff24
1 changed files with 8 additions and 8 deletions
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16
drivers/gpu/drm/vgem/vgem_drv.c
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@ -471,31 +471,31 @@ 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;