Re: [Intel-gfx] [PATCH] drm/i915: Always pin the default context

2014-01-25 Thread Daniel Vetter
On Thu, Jan 23, 2014 at 07:40:02PM +, Chris Wilson wrote: > Through a twisty and circuituous path it is possible to currently trick > the code into creating a default context and forgetting to pin it > immediately into the GGTT. (This requires a system using contexts without > an aliasing ppgtt

[Intel-gfx] [PATCH] drm/i915: Always pin the default context

2014-01-23 Thread Chris Wilson
Through a twisty and circuituous path it is possible to currently trick the code into creating a default context and forgetting to pin it immediately into the GGTT. (This requires a system using contexts without an aliasing ppgtt, which is currently restricted to Baytrails machines manually specify

Re: [Intel-gfx] [PATCH] drm/i915: Always pin the default context

2014-01-23 Thread Ben Widawsky
On Thu, Jan 23, 2014 at 06:30:02PM +, Chris Wilson wrote: > Through a twisty and circuituous path it is possible to currently trick > the code into creating a default context and forgetting to pin it > immediately into the GGTT. (This requires a system using contexts without > an aliasing ppgtt

Re: [Intel-gfx] [PATCH] drm/i915: Always pin the default context

2014-01-23 Thread Jesse Barnes
On Thu, 23 Jan 2014 18:30:02 + Chris Wilson wrote: > Through a twisty and circuituous path it is possible to currently trick > the code into creating a default context and forgetting to pin it > immediately into the GGTT. (This requires a system using contexts without > an aliasing ppgtt, whi

[Intel-gfx] [PATCH] drm/i915: Always pin the default context

2014-01-23 Thread Chris Wilson
Through a twisty and circuituous path it is possible to currently trick the code into creating a default context and forgetting to pin it immediately into the GGTT. (This requires a system using contexts without an aliasing ppgtt, which is currently restricted to Baytrails machines manually specify