[Nouveau] [Bug 101601] Nvidia GT 1030 (NV138/GP108) support

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101601

--- Comment #9 from Ilia Mirkin <imirkin at alum.mit.edu> ---
drm-next appears to be hitting this logic in nv50_disp_chan_ctor:

        if (disp->chan[chan->chid.user]) {
                chan->chid.user = -1;
                return -EBUSY;
        }

when constructing the cursor for head 1.

drm/nouveau/nvkm/engine/disp/nv50.h:    struct nv50_disp_chan *chan[17];

Oops. That should be [21]. It was reading/writing random memory :(

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