f25748ea73
A WARN_ON is perfectly fine. The BUG in here seems to be the cause behind hard-hangs when I cat the i915_gem_pageflip debugfs file (which calls this from an irq spinlock). But only while running a full igt run after a while. I still need to root cause the underlying issue. I'll also start reject patches which add new BUG_ON but don't come with a really good justification for it. The general rule really should be to just WARN and hope the driver survives for long enough. v2: Make the WARN a bit more useful per Chris' suggestion. Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> |
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