4.7-stable review patch. If anyone has any objections, please let me know.
------------------ From: Ben Skeggs <[email protected]> commit 0e67bed2c765ff0fdaec62c963881f5416fe3692 upstream. Signed-off-by: Ben Skeggs <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> --- drivers/gpu/drm/nouveau/nouveau_drm.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/nouveau/nouveau_drm.c +++ b/drivers/gpu/drm/nouveau/nouveau_drm.c @@ -324,7 +324,16 @@ static int nouveau_drm_probe(struct pci_ !vga_switcheroo_handler_flags()) return -EPROBE_DEFER; - /* remove conflicting drivers (vesafb, efifb etc) */ + /* We need to check that the chipset is supported before booting + * fbdev off the hardware, as there's no way to put it back. + */ + ret = nvkm_device_pci_new(pdev, NULL, "error", true, false, 0, &device); + if (ret) + return ret; + + nvkm_device_del(&device); + + /* Remove conflicting drivers (vesafb, efifb etc). */ aper = alloc_apertures(3); if (!aper) return -ENOMEM;
