[Bug 93694] [BAT eDP PSR] *ERROR* TIMEOUT: Sink CRC counter is not zeroed

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93694

--- Comment #5 from Daniel Vetter <daniel at ffwll.ch> ---
(In reply to Rodrigo Vivi from comment #4)
> Oh, this is odd since the first check on this path is for the dpcd bit that
> tells sink crc is supported.
> But anyway I'm going to tune down it to DRM_DEBUG_KMS and probably remove
> the "_basic" from sink crc since it isn't a basic feature or functionality,
> but just used for testing another features like psr and fbc. what do you
> think?

It's basic validation feature, if it doesn't work we can't validate the feature
(PSR) itself. That's why imo it must be in BAT. Same reason we have a basic
testcase for pipe CRC sanity in BAT, just to make sure that feature tests can
give correct results.

wrt tuning down another option is that the kernel should maybe give the
testcase more information (like return -ENOTTY to signal sink crc isn't
working/present, so that the testcase can skip correctly.

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