Re: [PATCH v3 15/17] drm/i915/userptr: Kill user_size limit check

Chris Wilson
2015-07-01T15:31:32Z

On Wed, Jul 01, 2015 at 04:27:31PM +0100, Michel Thierry wrote:
> GTT was only 32b and its max value is 4GB. In order to allow objects
> bigger than 4GB in 48b PPGTT, i915_gem_userptr_ioctl we could check
> against max 48b range (1ULL << 48).
>
> But since the check no longer applies, just kill the limit.
>
> v2: Use the default ctx to infer the ppgtt max size (Akash).
> v3: Just kill the limit, it was only there for early detection of an
> error when used for execbuffer (Chris).
>
> Cc: Akash Goel <akash.goel@intel.com>
> Cc: Chris Wilson <chris@chris-wilson.co.uk>
> Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
-Chris

--
Chris Wilson, Intel Open Source Technology Centre