[PATCH v5 19/23] drm/xe: Check that GT is not NULL before testing Wa_16023588340

[Matt Roper <matthew.d.roper@intel.com>]

If the primary GT is disabled, skip the check for this workaround (which
only applies to dgpu platforms where the primary GT cannot be NULL).

Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
---
 drivers/gpu/drm/xe/display/xe_display_wa.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/display/xe_display_wa.c b/drivers/gpu/drm/xe/display/xe_display_wa.c
index 8ada1cbcb16c..2aa1b8c03411 100644
--- a/drivers/gpu/drm/xe/display/xe_display_wa.c
+++ b/drivers/gpu/drm/xe/display/xe_display_wa.c
@@ -13,6 +13,7 @@
 bool intel_display_needs_wa_16023588340(struct intel_display *display)
 {
 	struct xe_device *xe = to_xe_device(display->drm);
+	struct xe_gt *wa_gt = xe_root_mmio_gt(xe);
 
-	return XE_GT_WA(xe_root_mmio_gt(xe), 16023588340);
+	return wa_gt && XE_GT_WA(wa_gt, 16023588340);
 }
-- 
2.51.0