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While investigating the runpm issues on my GP107 I noticed that something inside devinit makes runpm break. If Nouveau loads up to the point right before doing devinit, runpm works without any issues, if devinit is ran, not anymore. Out of curiousity I even tried to "bisect" devinit by not running it on vbios provided signed PMU image, but on the devinit parser we have inside Nouveau.

...rbst <kherbst at redhat.com> --- drm/nouveau/nvkm/subdev/pci/base.c | 2 ++ drm/nouveau/nvkm/subdev/pci/pcie.c | 8 ++++++++ drm/nouveau/nvkm/subdev/pci/priv.h | 1 + 3 files changed, 11 insertions(+) diff --git a/drm/nouveau/nvkm/subdev/pci/base.c b/drm/nouveau/nvkm/subdev/pci/base.c index b6ebee6f..d9fb5a83 100644 --- a/drm/nouveau/nvkm/subdev/pci/base.c +++ b/drm/nouveau/nvkm/subdev/pci/base.c @@ -90,6 +90,8 @@ nvkm_pci_fini(struct nvkm_subdev *subdev, bool suspend) if (pci->agp.bridge) nvkm_agp_fini(pci); + else if (pci_is_pcie(pci->pdev)) + nvkm_pcie_fini(pci); return 0;...

...@@ struct nvkm_pci { } agp; struct { - enum nvkm_pcie_speed speed; - u8 width; + enum nvkm_pcie_speed cur_speed; + enum nvkm_pcie_speed def_speed; + u8 cur_width; } pcie; bool msi; diff --git a/drm/nouveau/nvkm/subdev/pci/base.c b/drm/nouveau/nvkm/subdev/pci/base.c index ee2431a7..b6ebee6f 100644 --- a/drm/nouveau/nvkm/subdev/pci/base.c +++ b/drm/nouveau/nvkm/subdev/pci/base.c @@ -100,6 +100,8 @@ nvkm_pci_preinit(struct nvkm_subdev *subdev) struct nvkm_pci *pci = nvkm_pci(subdev); if (pci->agp.bridge) nvkm_agp_preinit(pci); + else if (pci_is_pcie(pci->pdev)) + nvkm_pcie...