From: Deepak Sharma deepak.sharma@amd.com
[ Upstream commit d5c04dff24870ef07ce6453a3f4e1ffd9cf88d27 ]
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.... Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/vgem/vgem_drv.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/vgem/vgem_drv.c b/drivers/gpu/drm/vgem/vgem_drv.c index ec6af8b920da..f1f7ab9dcdbf 100644 --- a/drivers/gpu/drm/vgem/vgem_drv.c +++ b/drivers/gpu/drm/vgem/vgem_drv.c @@ -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;