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SubjectRe: [drm/nouveau] GeForce 8600 GT boot/suspend grumbling
On Sun, Jul 16, 2017 at 12:43 AM, Mike Galbraith <> wrote:
> On Sat, 2017-07-15 at 14:52 -0400, Ilia Mirkin wrote:
>> OK, so this issue appears to be that we're calling
>> drm_crtc_vblank_off() on a crtc for which vblank is already disabled.
>> My guess is that this happens because the crtc is disabled.
>> Not sure what the proper check is to see if vblanks are already disabled...
> Seems so, the below shut up suspend for both 8600 GT and GTX 980.

The modeset done by drm_atomic_helper_suspend (called previously to
that *_fini) should already take care of disabling vblanks, I think.
So the vblank_off calls can just be done when we're not doing an
atomic modeset [drm_drv_uses_atomic_modeset(dev)] -- this is all very
confusing since pre-nv50 uses legacy modesets, while nv50+ has been
moved to atomic, but they share a bunch of helpers =/

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