[PATCH] drm/radeon: fix hotplug race at startup

2015-08-20 Thread Alex Deucher
On Wed, Aug 19, 2015 at 8:15 PM, Dave Airlie wrote: > From: Dave Airlie > > We apparantly get a hotplug irq before we've initialised > modesetting, > > [drm] Loading R100 Microcode > BUG: unable to handle kernel NULL pointer dereference at (null) > IP: [] __mutex_lock_slowpath+0x23/0x91 > *pde

[PATCH] drm/radeon: fix hotplug race at startup

2015-08-20 Thread Dave Airlie
From: Dave Airlie We apparantly get a hotplug irq before we've initialised modesetting, [drm] Loading R100 Microcode BUG: unable to handle kernel NULL pointer dereference at (null) IP: [] __mutex_lock_slowpath+0x23/0x91 *pde = Oops: 0002 [#1] Modules linked in: radeon(+) drm_kms_helpe