From: Maarten Lankhorst <dev@lankhorst.se>
Date: Tue, 10 Dec 2024 08:31:11 +0000 (+0100)
Subject: drm/xe: Do not attempt to bootstrap VF in execlists mode
X-Git-Tag: v6.15-rc1~120^2~15^2~98
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f3b59457808f61d88178b0afa67cbd017d7ce79e;p=thirdparty%2Fkernel%2Flinux.git

drm/xe: Do not attempt to bootstrap VF in execlists mode

It was mentioned in a review that there is a possibility of choosing
to load the module with VF in execlists mode.

Of course this doesn't work, just bomb out as hard as possible.

Reviewed-by: Lucas De Marchi <lucas.demarchi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241210083111.230484-12-dev@lankhorst.se
Signed-off-by: Maarten Lankhorst <dev@lankhorst.se>
---

diff --git a/drivers/gpu/drm/xe/xe_gt_sriov_vf.c b/drivers/gpu/drm/xe/xe_gt_sriov_vf.c
index cca5d57328021..6671030439fd7 100644
--- a/drivers/gpu/drm/xe/xe_gt_sriov_vf.c
+++ b/drivers/gpu/drm/xe/xe_gt_sriov_vf.c
@@ -213,6 +213,9 @@ int xe_gt_sriov_vf_bootstrap(struct xe_gt *gt)
 {
 	int err;
 
+	if (!xe_device_uc_enabled(gt_to_xe(gt)))
+		return -ENODEV;
+
 	err = vf_reset_guc_state(gt);
 	if (unlikely(err))
 		return err;