[PATCH] nouveau: don't fail driver load if no display hw present.

[airlied]

From: Dave Airlie <airl...@redhat.com>

If we get back ENODEV don't fail load. There are nvidia devices
that don't have display blocks and the driver should work on those.

Fixes: 15740541e8f0 ("drm/nouveau/devinit/tu102-: prepare for GSP-RM")
Link: https://gitlab.freedesktop.org/drm/nouveau/-/issues/270
Signed-off-by: Dave Airlie <airl...@redhat.com>
---
 drivers/gpu/drm/nouveau/nouveau_display.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c 
b/drivers/gpu/drm/nouveau/nouveau_display.c
index d8c92521226d9..f28f9a8574586 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -726,6 +726,11 @@ nouveau_display_create(struct drm_device *dev)
 
        if (nouveau_modeset != 2) {
                ret = nvif_disp_ctor(&drm->client.device, "kmsDisp", 0, 
&disp->disp);
+               /* no display hw */
+               if (ret == -ENODEV) {
+                       ret = 0;
+                       goto disp_create_err;
+               }
 
                if (!ret && (disp->disp.outp_mask || drm->vbios.dcb.entries)) {
                        nouveau_display_create_properties(dev);
-- 
2.41.0