[Intel-gfx] [PATCH] mutex: Export an interface to wrap a mutex lock

In i915, we have a big mutex around our device struct - every time before we attempt to communicate with the GPU, we acquire the mutex. This makes it a convenient juncture to place our GPU error handling - before we take the mutex we first check whether the GPU is hung or whether we are in the

Re: [Intel-gfx] [PATCH 45/53] drm/i915/bdw: Do not call intel_runtime_pm_get() in an interrupt

On Wed, Jun 18, 2014 at 10:54:13PM +0200, Daniel Vetter wrote: On Fri, Jun 13, 2014 at 04:38:03PM +0100, oscar.ma...@intel.com wrote: From: Oscar Mateo oscar.ma...@intel.com Or with a spinlock grabbed, because it might sleep, which is not a nice thing to do. Instead, do the runtime_pm