Re: [Nouveau] [PATCH] nouveau: add coherent BO attribute

2015-05-21 Thread Alexandre Courbot
On Wed, May 20, 2015 at 3:53 PM, Martin Peres martin.pe...@free.fr wrote: On 20/05/15 08:11, Alexandre Courbot wrote: On Fri, May 15, 2015 at 8:39 PM, Maarten Lankhorst maar...@mblankhorst.nl wrote: Op 15-05-15 om 09:11 schreef Alexandre Courbot: Re-pinging Marteen on an email address that

Re: [Nouveau] [PATCH] nouveau: add coherent BO attribute

2015-05-20 Thread Martin Peres
On 20/05/15 08:11, Alexandre Courbot wrote: On Fri, May 15, 2015 at 8:39 PM, Maarten Lankhorst maar...@mblankhorst.nl wrote: Op 15-05-15 om 09:11 schreef Alexandre Courbot: Re-pinging Marteen on an email address that still exists :P On Wed, Apr 22, 2015 at 6:08 PM, Alexandre Courbot

Re: [Nouveau] [PATCH] nouveau: add coherent BO attribute

2015-05-15 Thread Alexandre Courbot
Re-pinging Marteen on an email address that still exists :P On Wed, Apr 22, 2015 at 6:08 PM, Alexandre Courbot gnu...@gmail.com wrote: On Sun, Mar 15, 2015 at 5:41 PM, Alexandre Courbot acour...@nvidia.com wrote: On 03/14/2015 04:33 AM, Maarten Lankhorst wrote: Hey, Op 13-03-15 om 07:27

Re: [Nouveau] [PATCH] nouveau: add coherent BO attribute

2015-05-15 Thread Maarten Lankhorst
Op 15-05-15 om 09:11 schreef Alexandre Courbot: Re-pinging Marteen on an email address that still exists :P On Wed, Apr 22, 2015 at 6:08 PM, Alexandre Courbot gnu...@gmail.com wrote: On Sun, Mar 15, 2015 at 5:41 PM, Alexandre Courbot acour...@nvidia.com wrote: On 03/14/2015 04:33 AM,

Re: [Nouveau] [PATCH] nouveau: add coherent BO attribute

2015-04-22 Thread Alexandre Courbot
On Sun, Mar 15, 2015 at 5:41 PM, Alexandre Courbot acour...@nvidia.com wrote: On 03/14/2015 04:33 AM, Maarten Lankhorst wrote: Hey, Op 13-03-15 om 07:27 schreef Alexandre Courbot: Add a flag allowing Nouveau to specify that an object should be coherent at allocation time. This is required

Re: [Nouveau] [PATCH] nouveau: add coherent BO attribute

2015-03-15 Thread Alexandre Courbot
On 03/14/2015 04:33 AM, Maarten Lankhorst wrote: Hey, Op 13-03-15 om 07:27 schreef Alexandre Courbot: Add a flag allowing Nouveau to specify that an object should be coherent at allocation time. This is required for some class of objects like fences which are randomly-accessed by both the CPU

Re: [Nouveau] [PATCH] nouveau: add coherent BO attribute

2015-03-13 Thread Maarten Lankhorst
Hey, Op 13-03-15 om 07:27 schreef Alexandre Courbot: Add a flag allowing Nouveau to specify that an object should be coherent at allocation time. This is required for some class of objects like fences which are randomly-accessed by both the CPU and GPU. This flag instructs the kernel driver

[Nouveau] [PATCH] nouveau: add coherent BO attribute

2015-03-13 Thread Alexandre Courbot
Add a flag allowing Nouveau to specify that an object should be coherent at allocation time. This is required for some class of objects like fences which are randomly-accessed by both the CPU and GPU. This flag instructs the kernel driver to make sure the object remains coherent even on

Re: [Nouveau] [PATCH] nouveau: add coherent BO attribute

2015-03-13 Thread Alexandre Courbot
On Fri, Mar 13, 2015 at 3:36 PM, Ilia Mirkin imir...@alum.mit.edu wrote: Doesn't this require a kernel version that has your other patch? What happens when this runs on an older kernel? Does it get silently ignored, or does it end up erroring out? If it errors out, that's fine. Otherwise some

Re: [Nouveau] [PATCH] nouveau: add coherent BO attribute

2015-03-13 Thread Ilia Mirkin
Doesn't this require a kernel version that has your other patch? What happens when this runs on an older kernel? Does it get silently ignored, or does it end up erroring out? If it errors out, that's fine. Otherwise some sort of version check should be put in, no? On Fri, Mar 13, 2015 at 2:27 AM,

Re: [Nouveau] [PATCH] nouveau: add coherent BO attribute

2015-03-13 Thread Alexandre Courbot
On Fri, Mar 13, 2015 at 3:39 PM, Alexandre Courbot gnu...@gmail.com wrote: On Fri, Mar 13, 2015 at 3:36 PM, Ilia Mirkin imir...@alum.mit.edu wrote: Doesn't this require a kernel version that has your other patch? What happens when this runs on an older kernel? Does it get silently ignored, or