On 01.05.2014 07:49, Alexandre Courbot wrote:
> Agreed. Besides I hope the day won't come where we have to go through
> 2 layers of memory translation for the GPU...
That's actually the method of operation that gives us the best
performance. GPU likes big pages, and without IOMMU translation you'd
On Mon, Apr 28, 2014 at 8:44 PM, Thierry Reding
wrote:
> On Wed, Apr 23, 2014 at 03:11:01PM +0900, Alexandre Courbot wrote:
>> On Wed, Apr 23, 2014 at 11:07 AM, Alexandre Courbot
>> wrote:
>> > On 04/22/2014 07:40 PM, Thierry Reding wrote:
>> >>
>> >> * PGP Signed by an unknown key
>> >>
>> >>
>
On Wed, Apr 23, 2014 at 03:11:01PM +0900, Alexandre Courbot wrote:
> On Wed, Apr 23, 2014 at 11:07 AM, Alexandre Courbot
> wrote:
> > On 04/22/2014 07:40 PM, Thierry Reding wrote:
> >>
> >> * PGP Signed by an unknown key
> >>
> >>
> >> On Mon, Apr 21, 2014 at 03:02:16PM +0900, Alexandre Courbot w
On Wed, Apr 23, 2014 at 11:07 AM, Alexandre Courbot
wrote:
> On 04/22/2014 07:40 PM, Thierry Reding wrote:
>>
>> * PGP Signed by an unknown key
>>
>>
>> On Mon, Apr 21, 2014 at 03:02:16PM +0900, Alexandre Courbot wrote:
>> [...]
>>>
>>> diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramgk20a
On 04/22/2014 07:40 PM, Thierry Reding wrote:
> * PGP Signed by an unknown key
>
> On Mon, Apr 21, 2014 at 03:02:16PM +0900, Alexandre Courbot wrote:
> [...]
>> diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramgk20a.c
>> b/drivers/gpu/drm/nouveau/core/subdev/fb/ramgk20a.c
> [...]
>> +
On Mon, Apr 21, 2014 at 03:02:16PM +0900, Alexandre Courbot wrote:
[...]
> diff --git a/drivers/gpu/drm/nouveau/core/subdev/fb/ramgk20a.c
> b/drivers/gpu/drm/nouveau/core/subdev/fb/ramgk20a.c
[...]
> + pages = dma_alloc_from_contiguous(dev, ncmin, order);
> + if (!pages) {
Add a simple FB device for GK20A, as well as a RAM implementation based
on contiguous DMA memory allocations suitable for chips that use system
memory as video RAM.
Signed-off-by: Alexandre Courbot
---
drivers/gpu/drm/nouveau/Makefile | 2 +
drivers/gpu/drm/nouveau/core/includ
