RE: Intel DRM driver for SNB

2010-12-15 Thread Eric Anholt
On Tue, 14 Dec 2010 12:09:49 -0800, "Segovia, Benjamin" wrote: > Perfect. It is still a good temporary solution. For coherency, my goal is top > ensure it without the need of MI_FLUSH or pipe control. So, EUs must be able > to do it themselves > For ILK > * on CPU, I used _mm_clflush (as the

RE: Intel DRM driver for SNB

2010-12-14 Thread Segovia, Benjamin
.uk] Sent: Tuesday, December 14, 2010 2:00 AM To: Segovia, Benjamin; Segovia, Benjamin; Zhenyu Wang Cc: DRI Subject: RE: Intel DRM driver for SNB On Mon, 13 Dec 2010 20:32:42 -0800, "Segovia, Benjamin" wrote: > To be more explicit, my concern is that I read that Chris Wilson pro

RE: Intel DRM driver for SNB

2010-12-14 Thread Segovia, Benjamin
using surface descriptors. Cheers, Ben From: Chris Wilson [ch...@chris-wilson.co.uk] Sent: Tuesday, December 14, 2010 2:59 AM To: Segovia, Benjamin; Segovia, Benjamin; Zhenyu Wang Cc: DRI Subject: RE: Intel DRM driver for SNB On Mon, 13 Dec 2010 20:32:42

RE: Intel DRM driver for SNB

2010-12-14 Thread Chris Wilson
On Mon, 13 Dec 2010 20:32:42 -0800, "Segovia, Benjamin" wrote: > To be more explicit, my concern is that I read that Chris Wilson proposed a > patch preventing the VM to swap pages still in GTT. I did not see any trace > of this patch in the main line yet. No, because the mm maintainers corre

RE: Intel DRM driver for SNB

2010-12-13 Thread Segovia, Benjamin
mapped in user space, my buffer can be safely used by both CPUs and GPUs and that the VM will never swap it? Ben Original Message- From: Segovia, Benjamin Sent: Monday, December 13, 2010 8:20 PM To: Segovia, Benjamin; Zhenyu Wang Cc: DRI Subject: RE: Intel DRM driver for SNB I have been

RE: Intel DRM driver for SNB

2010-12-13 Thread Segovia, Benjamin
, December 10, 2010 8:15 PM To: Zhenyu Wang Cc: DRI Subject: RE: Intel DRM driver for SNB Thanks for the answer I actually have no a rather simple prototype doing shared memory between CPU and GPU. Basically: 1/ I create a buffer B 2/ I map B and get a pointer to it 3/ I exec a batch buffer with B

RE: Intel DRM driver for SNB

2010-12-10 Thread Segovia, Benjamin
functions. However, I am not sure I can get symbols from i915 properly. Is a i915 patch the only solution? Cheers, Ben From: Zhenyu Wang [zhen...@linux.intel.com] Sent: Monday, December 06, 2010 11:00 PM To: Segovia, Benjamin Cc: DRI Subject: Re: Intel DRM

Re: Intel DRM driver for SNB

2010-12-06 Thread Zhenyu Wang
On 2010.12.06 15:18:02 -0800, Segovia, Benjamin wrote: > Hello all, > is the kernel driver configured to support reads/writes to LLC (last level > cache i.e. L3) on SNB? Now it's under limited use for the buffer that is sure to be cached, e.g hw status page, etc. code lives in drivers/char/agp/in