From: Lukasz Laguna <lukasz.laguna@intel.com>
Date: Tue, 29 Jul 2025 12:34:37 +0000 (+0200)
Subject: drm/xe/vf: Disable CSC support on VF
X-Git-Tag: v6.16.1~190
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=9a3a08be429c71d03dd2e861e5acebab066311f5;p=thirdparty%2Fkernel%2Fstable.git

drm/xe/vf: Disable CSC support on VF

[ Upstream commit f62408efc8669b82541295a4611494c8c8c52684 ]

CSC is not accessible by VF drivers, so disable its support flag on VF
to prevent further initialization attempts.

Fixes: e02cea83d32d ("drm/xe/gsc: add Battlemage support")
Signed-off-by: Lukasz Laguna <lukasz.laguna@intel.com>
Cc: Alexander Usyskin <alexander.usyskin@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Link: https://lore.kernel.org/r/20250729123437.5933-1-lukasz.laguna@intel.com
(cherry picked from commit 552dbba1caaf0cb40ce961806d757615e26ec668)
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/gpu/drm/xe/xe_device.c b/drivers/gpu/drm/xe/xe_device.c
index e9f3c1a53db22..7f839c3b9a140 100644
--- a/drivers/gpu/drm/xe/xe_device.c
+++ b/drivers/gpu/drm/xe/xe_device.c
@@ -685,6 +685,7 @@ static void sriov_update_device_info(struct xe_device *xe)
 	/* disable features that are not available/applicable to VFs */
 	if (IS_SRIOV_VF(xe)) {
 		xe->info.probe_display = 0;
+		xe->info.has_heci_cscfi = 0;
 		xe->info.has_heci_gscfi = 0;
 		xe->info.skip_guc_pc = 1;
 		xe->info.skip_pcode = 1;