[Intel-gfx] [PATCH 1/4] drm: Complain if drivers still use the ->load callback

Chris Wilson chris at chris-wilson.co.uk
Tue Jan 28 10:47:59 UTC 2020


Quoting Daniel Vetter (2020-01-28 10:45:58)
> Kinda time to get this sorted. The locking around this really is not
> nice.
> 
> Signed-off-by: Daniel Vetter <daniel.vetter at intel.com>
> ---
>  drivers/gpu/drm/drm_drv.c | 6 ++++++
>  include/drm/drm_drv.h     | 3 +++
>  2 files changed, 9 insertions(+)
> 
> diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
> index 7c18a980cd4b..8deff75b484c 100644
> --- a/drivers/gpu/drm/drm_drv.c
> +++ b/drivers/gpu/drm/drm_drv.c
> @@ -948,6 +948,12 @@ int drm_dev_register(struct drm_device *dev, unsigned long flags)
>  
>         mutex_lock(&drm_global_mutex);
>  
> +       if (dev->driver->load) {
> +               if (!drm_core_check_feature(dev, DRIVER_LEGACY))
> +                       DRM_INFO("drm driver %s is using deprecated ->load callback\n",
> +                                dev->driver->name);

DRM_WARN() if the plan is to remove it?

That should encourage people to complain louder.
-Chris


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