[Bug 68463] [HSW]igt/kms_setmode/clone-exclusive-crtc fail

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Tue Aug 27 00:41:58 PDT 2013


https://bugs.freedesktop.org/show_bug.cgi?id=68463

--- Comment #3 from Daniel Vetter <daniel at ffwll.ch> ---
(In reply to comment #2)
> But at some point we'll start reject mode sets, so we'll also have to fix
> kms_setmode so it can be aware of the case where a mode set fails. A case we
> certainly need to reject: when there are 2 connectors on a single encoder,
> it shouldn't be possible to set modes on both connectors.

If a modeset fails setmode only ensures that errno == EINVAL and not something
else. So I think it shouldn't fail the test if the kernel rejects a modeset.

Once we have atomic modesets we can go more fancy and make sure that every real
modeset works iff the test modeset also checked out.

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