[Intel-gfx] [PATCH] drm/i915: refuse to load on gen6+ without kms
ajax at redhat.com
Mon Mar 26 22:06:10 CEST 2012
On Mon, 2012-03-26 at 21:33 +0200, Daniel Vetter wrote:
> As a first step refuse to load without kms on chips where userspace
> never supported ums. Now upstream hasn't supported ums on ilk, ever.
> But RHEL had the great idea to backport the kms support to their ums
In RHEL5, yes. Personally I'm okay with saying those people get to run
RHEL5 kernels too, but Linus might have stronger opinions I guess.
That said we really don't use kernel support for this. Certainly
there's no acceleration on ILK. The corresponding kernel patch appears
to do nothing more than add the PCI IDs to the AGP driver, and add
IS_IRONLAKE() to I915_NEED_GFX_HWS().
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