https://bugs.freedesktop.org/show_bug.cgi?id=56139

--- Comment #28 from Alexandre Demers <alexandre.f.dem...@gmail.com> ---
Alex, a simple question: you said bit 0 in EVERGREEN_CRTC_CONTROL stops the
CRTC sync. With the culprit commit, when is it set? I mean, I had a quick look
in the driver's code and I couldn't find it. When going in suspend state,
shouldn't it be set to 0? Then, on resume, shouldn't it be set to 1? I may just
have missed it, but could this be something missing? Same questions goes for
GPU soft reset.

Before the culprit commit, we were setting bit 0 to 0 on stop and setting it
back to 1 on resume, which was working great. Why aren't we doing it anymore
when suspending and resuming?

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