Re: [PATCH i-g-t] igt/kms_universal_plane: Flush pending cleanups

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Quoting Maarten Lankhorst (2018-06-28 12:25:18)
> Op 28-06-18 om 13:16 schreef Chris Wilson:
> > Quoting Maarten Lankhorst (2018-06-28 12:06:35)
> >> Op 28-06-18 om 12:51 schreef Chris Wilson:
> >>> drm_atomic_helper allows for up to one outstanding cleanup task to be in
> >>> flight before a new modeset (see stall_commit in stall_checks()), In
> >>> lieu of hooking up a debugfs to force flushing of the outstanding work,
> >>> submit enough blocking modesets to ensure that the pending work is
> >>> completed before continuing.
> >>>
> >>> Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> >>> Cc: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
> >>> ---
> >>>  tests/kms_universal_plane.c | 1 +
> >>>  1 file changed, 1 insertion(+)
> >>>
> >>> diff --git a/tests/kms_universal_plane.c b/tests/kms_universal_plane.c
> >>> index 58f329e68..f875fd194 100644
> >>> --- a/tests/kms_universal_plane.c
> >>> +++ b/tests/kms_universal_plane.c
> >>> @@ -638,6 +638,7 @@ cursor_leak_test_pipe(data_t *data, enum pipe pipe, igt_output_t *output)
> >>>       igt_plane_set_fb(primary, NULL);
> >>>       igt_plane_set_fb(cursor, NULL);
> >>>       igt_display_commit2(display, COMMIT_LEGACY);
> >>> +     igt_display_commit2(display, COMMIT_LEGACY);
> >>>       cursor_leak_test_fini(data, output, &background_fb, cursor_fb);
> >>>  
> >>>       /* We should be back to the same framebuffer count as when we started */
> >> This won't work, we won't commit anything without anything changed, probably best to put the set_fb in the loop too.
> > Fill in the details above. :-p
> >
> > Is that igt or the kernel? I have this belief that when I ask it to do
> > something, it should ;)
> >
> > igt_display_commit3(display, COMMIT_LEGACY, DOIT);
> > -Chris
> 
> But you didn't tell it to do anything, nothing changed from last commit, so nothing gets committed.

But I want it to reapply the commit I built up. That's how I think of
it, since I'm used to a stateless API.
-Chris
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