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

2013-10-25 Thread Chris Wilson
@lists.freedesktop.org; dri-de...@lists.freedesktop.org; linux-ker...@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 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

Re: [Intel-gfx] 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.stolen_base

Re: [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 stolen

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

2013-10-24 Thread Liu, Chuansheng
...@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 +0800, Chuansheng Liu wrote: In our platform, we hit the the stolen