[Intel-gfx] drm/i915: Avoid accessing the stolen address when it is unavailable

2013-10-25 Thread Chris Wilson
vetter at ffwll.ch; airlied at > > linux.ie; > > intel-gfx at lists.freedesktop.org; dri-devel at lists.freedesktop.org; > > linux-kernel at vger.kernel.org; Li, Fei > > Subject: Re: [Intel-gfx] drm/i915: Avoid accessing the stolen address when > > it is > > un

drm/i915: Avoid accessing the stolen address when it is unavailable

2013-10-25 Thread Chuansheng Liu
In our platform, we hit the the stolen region initialization failure case, such as below log: [drm:i915_stolen_to_physical] *ERROR* conflict detected with stolen region: [0x7b00] And it causes the dev_priv->mm.stolen_base is NULL, in this case, we should avoid accessing it any more. Here is

[Intel-gfx] drm/i915: Avoid accessing the stolen address when it is unavailable

2013-10-25 Thread Liu, Chuansheng
.org; dri-devel at lists.freedesktop.org; > linux-kernel at vger.kernel.org; Li, Fei > Subject: Re: [Intel-gfx] drm/i915: Avoid accessing the stolen address when it > is > unavailable > > On Thu, Oct 24, 2013 at 01:17:06PM +0100, Chris Wilson wrote: > > On Fri, Oct 25, 2013 at 12:33:47AM +

[Intel-gfx] drm/i915: Avoid accessing the stolen address when it is unavailable

2013-10-24 Thread Ben Widawsky
On Thu, Oct 24, 2013 at 01:17:06PM +0100, Chris Wilson wrote: > On Fri, Oct 25, 2013 at 12:33:47AM +0800, Chuansheng Liu wrote: > > > > In our platform, we hit the the stolen region initialization failure case, > > such as below log: > > [drm:i915_stolen_to_physical] *ERROR* conflict detected with

drm/i915: Avoid accessing the stolen address when it is unavailable

2013-10-24 Thread Chris Wilson
On Fri, Oct 25, 2013 at 12:33:47AM +0800, Chuansheng Liu wrote: > > In our platform, we hit the the stolen region initialization failure case, > such as below log: > [drm:i915_stolen_to_physical] *ERROR* conflict detected with stolen region: > [0x7b00] > > And it causes the dev_priv->mm.stol