On Fri, Feb 08, 2019 at 03:01:03PM +0100, Noralf Trønnes wrote:
> This makes it possible to use drm_dev_unplug() with the upcoming
> devm_drm_dev_init() which will do drm_dev_put() in its release callback.
>
> Cc: Alex Deucher <alexander.deucher@xxxxxxx>
> Cc: Christian König <christian.koenig@xxxxxxx>
> Cc: David (ChunMing) Zhou <David1.Zhou@xxxxxxx>
> Cc: Dave Airlie <airlied@xxxxxxxxxx>
> Cc: Sean Paul <sean@xxxxxxxxxx>
> Cc: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx>
> Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
> Signed-off-by: Noralf Trønnes <noralf@xxxxxxxxxxx>
Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
> ---
>
> I will take this through drm-misc-next.
>
> Noralf.
>
> drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c | 1 +
> drivers/gpu/drm/drm_drv.c | 1 -
> drivers/gpu/drm/udl/udl_drv.c | 1 +
> drivers/gpu/drm/xen/xen_drm_front.c | 1 +
> 4 files changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> index a1bb3773087b..d1f37ba3c118 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
> @@ -971,6 +971,7 @@ amdgpu_pci_remove(struct pci_dev *pdev)
>
> DRM_ERROR("Device removal is currently not supported outside of fbcon\n");
> drm_dev_unplug(dev);
> + drm_dev_put(dev);
> pci_disable_device(pdev);
> pci_set_drvdata(pdev, NULL);
> }
> diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
> index 05bbc2b622fc..b04982101fcb 100644
> --- a/drivers/gpu/drm/drm_drv.c
> +++ b/drivers/gpu/drm/drm_drv.c
> @@ -376,7 +376,6 @@ void drm_dev_unplug(struct drm_device *dev)
> synchronize_srcu(&drm_unplug_srcu);
>
> drm_dev_unregister(dev);
> - drm_dev_put(dev);
> }
> EXPORT_SYMBOL(drm_dev_unplug);
>
> diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c
> index 22cd2d13e272..53b7b8c04bc6 100644
> --- a/drivers/gpu/drm/udl/udl_drv.c
> +++ b/drivers/gpu/drm/udl/udl_drv.c
> @@ -107,6 +107,7 @@ static void udl_usb_disconnect(struct usb_interface *interface)
> udl_fbdev_unplug(dev);
> udl_drop_usb(dev);
> drm_dev_unplug(dev);
> + drm_dev_put(dev);
> }
>
> /*
> diff --git a/drivers/gpu/drm/xen/xen_drm_front.c b/drivers/gpu/drm/xen/xen_drm_front.c
> index 3e78a832d7f9..84aa4d61dc42 100644
> --- a/drivers/gpu/drm/xen/xen_drm_front.c
> +++ b/drivers/gpu/drm/xen/xen_drm_front.c
> @@ -582,6 +582,7 @@ static void xen_drm_drv_fini(struct xen_drm_front_info *front_info)
>
> drm_kms_helper_poll_fini(dev);
> drm_dev_unplug(dev);
> + drm_dev_put(dev);
>
> front_info->drm_info = NULL;
>
> --
> 2.20.1
>
--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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