From ae1aadb1eb8d3cbc52e42bee71d67bd4a71f9f07 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@redhat.com>
Date: Thu, 16 Nov 2023 00:39:33 +1000
Subject: [PATCH] nouveau: don't fail driver load if no display hw present.
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 <airlied@redhat.com>
Signed-off-by: Danilo Krummrich <dakr@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231115143933.261287-1-airlied@gmail.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);
--
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