Re: [Intel-gfx] [PATCH] drm/i915: Make the physical object coherent with GTT

2014-08-08 Thread Daniel Vetter
On Thu, Jul 10, 2014 at 09:53:43PM +0100, Chris Wilson wrote: Currently objects for which the hardware needs a contiguous physical address are allocated a shadow backing storage to satisfy the contraint. This shadow buffer is not wired into the normal obj-pages and so the physical object is

[Intel-gfx] [PATCH] drm/i915: Make the physical object coherent with GTT

2014-07-10 Thread Chris Wilson
Currently objects for which the hardware needs a contiguous physical address are allocated a shadow backing storage to satisfy the contraint. This shadow buffer is not wired into the normal obj-pages and so the physical object is incoherent with accesses via the GPU, GTT and CPU. By setting up the

Re: [Intel-gfx] [PATCH] drm/i915: Make the physical object coherent with GTT

2014-07-10 Thread Daniel Vetter
On Wed, Jun 11, 2014 at 12:59:51PM +0100, Chris Wilson wrote: Currently objects for which the hardware needs a contiguous physical address are allocated a shadow backing storage to satisfy the contraint. This shadow buffer is not wired into the normal obj-pages and so the physical object is

[Intel-gfx] [PATCH] drm/i915: Make the physical object coherent with GTT

2014-06-11 Thread Chris Wilson
Currently objects for which the hardware needs a contiguous physical address are allocated a shadow backing storage to satisfy the contraint. This shadow buffer is not wired into the normal obj-pages and so the physical object is incoherent with accesses via the GPU, GTT and CPU. By setting up the

Re: [Intel-gfx] [PATCH] drm/i915: Make the physical object coherent with GTT

2014-06-11 Thread Ville Syrjälä
On Wed, Jun 11, 2014 at 11:28:41AM +0100, Chris Wilson wrote: Currently objects for which the hardware needs a contiguous physical address are allocated a shadow backing storage to satisfy the contraint. This shadow buffer is not wired into the normal obj-pages and so the physical object is

Re: [Intel-gfx] [PATCH] drm/i915: Make the physical object coherent with GTT

2014-06-11 Thread Chris Wilson
On Wed, Jun 11, 2014 at 02:40:00PM +0300, Ville Syrjälä wrote: On Wed, Jun 11, 2014 at 11:28:41AM +0100, Chris Wilson wrote: Currently objects for which the hardware needs a contiguous physical address are allocated a shadow backing storage to satisfy the contraint. This shadow buffer is

[Intel-gfx] [PATCH] drm/i915: Make the physical object coherent with GTT

2014-06-11 Thread Chris Wilson
Currently objects for which the hardware needs a contiguous physical address are allocated a shadow backing storage to satisfy the contraint. This shadow buffer is not wired into the normal obj-pages and so the physical object is incoherent with accesses via the GPU, GTT and CPU. By setting up the

[Intel-gfx] [PATCH] drm/i915: Make the physical object coherent with GTT

2014-06-05 Thread Chris Wilson
Currently objects for which the hardware needs a contiguous physical address are allocated a shadow backing storage to satisfy the contraint. This shadow buffer is not wired into the normal obj-pages and so the physical object is incoherent with accesses via the GPU, GTT and CPU. By setting up the