On 26/05/2015 16:23, Alexandre Courbot wrote:
On Sun, May 24, 2015 at 3:26 PM, Maarten Lankhorst
<maarten@xxxxxxxxxxxxxx> wrote:
Op 23-05-15 om 08:45 schreef Alexandre Courbot:
On Fri, May 22, 2015 at 3:23 AM, Martin Peres <martin.peres@xxxxxxx> wrote:
On 21/05/2015 11:47, Ben Skeggs wrote:
On 21 May 2015 at 16:08, Alexandre Courbot <acourbot@xxxxxxxxxx> wrote:
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 architectures for which coherency is not guaranteed by the bus.
Signed-off-by: Alexandre Courbot <acourbot@xxxxxxxxxx>
Reviewed-by: Ben Skeggs <bskeggs@xxxxxxxxxx>
Pushed!
Thanks! Should we also bump the ABI version or something?
If you mean changing libdrm_nouveau.so.2 to .so.3 no! If you mean having something that pkg-config can pick up that's done automatically on every drm release.
Sorry for not having been clear. I was talking about checking against
the driver version to ensure it supports all the features that libdrm
can throw at it. We increased the modules's version to 1.2.2 when
adding the coherent flag:
drm/nouveau/nouveau_drm.h:
* 1.2.2:
* - add NOUVEAU_GEM_DOMAIN_COHERENT flag
That will be the job of mesa to check the DRM version, I would guess.
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