[PATCH 1/3] drm/i915: implement dma buf begin_cpu_access

2012-08-07 Thread Dave Airlie
On Mon, Aug 6, 2012 at 6:52 AM, Daniel Vetter wrote: > On Mon, Jul 30, 2012 at 02:06:54PM +1000, Dave Airlie wrote: >> From: Dave Airlie >> >> In order for udl vmap to work properly, we need to push the object >> into the CPU domain before we start copying the data to the USB device. >> >> questi

Re: [PATCH 1/3] drm/i915: implement dma buf begin_cpu_access

2012-08-06 Thread Dave Airlie
On Mon, Aug 6, 2012 at 6:52 AM, Daniel Vetter wrote: > On Mon, Jul 30, 2012 at 02:06:54PM +1000, Dave Airlie wrote: >> From: Dave Airlie >> >> In order for udl vmap to work properly, we need to push the object >> into the CPU domain before we start copying the data to the USB device. >> >> questi

[PATCH 1/3] drm/i915: implement dma buf begin_cpu_access

2012-08-05 Thread Daniel Vetter
On Mon, Jul 30, 2012 at 02:06:54PM +1000, Dave Airlie wrote: > From: Dave Airlie > > In order for udl vmap to work properly, we need to push the object > into the CPU domain before we start copying the data to the USB device. > > question: what is direction here in terms of read/write to the dev

Re: [PATCH 1/3] drm/i915: implement dma buf begin_cpu_access

2012-08-05 Thread Daniel Vetter
On Mon, Jul 30, 2012 at 02:06:54PM +1000, Dave Airlie wrote: > From: Dave Airlie > > In order for udl vmap to work properly, we need to push the object > into the CPU domain before we start copying the data to the USB device. > > question: what is direction here in terms of read/write to the dev

[PATCH 1/3] drm/i915: implement dma buf begin_cpu_access

2012-07-30 Thread Dave Airlie
From: Dave Airlie In order for udl vmap to work properly, we need to push the object into the CPU domain before we start copying the data to the USB device. question: what is direction here in terms of read/write to the device. This along with the udl change avoids userspace explicit mapping to

[PATCH 1/3] drm/i915: implement dma buf begin_cpu_access

2012-07-29 Thread Dave Airlie
From: Dave Airlie In order for udl vmap to work properly, we need to push the object into the CPU domain before we start copying the data to the USB device. question: what is direction here in terms of read/write to the device. This along with the udl change avoids userspace explicit mapping to