Hi Boris,
On 2026-09-16 at 10:39:22 +0200, Boris Brezillon wrote:
> Hi Kamil,
> 
> On Wed, 16 Sep 2026 09:57:41 +0200
> Kamil Konieczny <[email protected]> wrote:
> 
> > Hi Deborah,
> > On 2026-09-15 at 17:13:26 -0700, Deborah Brouwer wrote:
> > > Sparse VM_BIND support was introduced with Panthor DRM driver version
> > > 1.9. If a driver isn't advertising support for v1.9, then tests that
> > > call DRM_PANTHOR_VM_BIND_OP_MAP_SPARSE should not be run.  
> > 
> > Can you just call that ioctl and if EINVALID skip?
> > Checking version of a driver seems strange.
> 
> That's how we check feature-support in mesa, so I'd be tempted to do
> the same in IGT, unless there's a strong reason not to. If we were to
> check against EINVAL to detect when a feature is not supported, it gets
> hard to know when it's an actual uAPI regression vs when it's tested
> against a driver version that's too old and doesn't support the extra
> arguments/flags.
> 
> Regards,
> 
> Boris

ok, thx for explanation. So just calls with checks for feature
at each subtest which needs this should be enough.

Regards,
Kamil

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