[PATCH] drm: Register the debugfs interfaces after loading the driver

[Chris Wilson]

On Thu, May 26, 2016 at 01:35:18PM +0100, Chris Wilson wrote:
> In order to give the driver the chance to initialise the data structures
> that will be exposed through debugfs, perform driver->load() before
> registering the debugfs entries. (Otherwise it may be possible for
> userspace to cause an oops through the debugfs interfaces.) As the
> driver load is now before debugfs registration, make the registration
> non-fatal (as it simply prevents us exposing an optional debug facility
> and not hard ABI).

The alternative here would be for i915.ko to stop registering a
driver->debugfs_init and do it as part of its registration phase (like
sysfs).
-Chris

-- 
Chris Wilson, Intel Open Source Technology Centre