OK, revisiting this again, please see inline below,
On 01/10/2012 06:46 PM, Jerome Glisse wrote:
On Mon, Jan 09, 2012 at 11:11:06AM +0100, Daniel Vetter wrote:
On Mon, Jan 09, 2012 at 10:37:28AM +0100, Thomas Hellstrom wrote:
Hi!
When TTM was originally written, it was assumed that GPU apert
On Mon, Jan 09, 2012 at 11:11:06AM +0100, Daniel Vetter wrote:
> On Mon, Jan 09, 2012 at 10:37:28AM +0100, Thomas Hellstrom wrote:
> > Hi!
> >
> > When TTM was originally written, it was assumed that GPU apertures
> > could address pages directly, and that the CPU could access those
> > pages with
On Mon, Jan 09, 2012 at 10:37:28AM +0100, Thomas Hellstrom wrote:
> Hi!
>
> When TTM was originally written, it was assumed that GPU apertures
> could address pages directly, and that the CPU could access those
> pages without explicit synchronization. The process of binding a
> page to a GPU tran
Hi Thomas,
On Mon, Jan 09, 2012 at 12:01:28PM +0100, Thomas Hellstrom wrote:
> Thanks for your input. I think this is mostly orthogonal to dma_buf, and
> really a way to adapt TTM to be DMA-api aware. That's currently done
> within the TTM backends. CMA was mearly included as an example that
> mig
On 01/09/2012 11:11 AM, Daniel Vetter wrote:
On Mon, Jan 09, 2012 at 10:37:28AM +0100, Thomas Hellstrom wrote:
Hi!
When TTM was originally written, it was assumed that GPU apertures
could address pages directly, and that the CPU could access those
pages without explicit synchronization. The
On Mon, Jan 09, 2012 at 10:37:28AM +0100, Thomas Hellstrom wrote:
> Hi!
>
> When TTM was originally written, it was assumed that GPU apertures
> could address pages directly, and that the CPU could access those
> pages without explicit synchronization. The process of binding a
> page to a GPU tran