drm/xe: Check that GT is not NULL before testing Wa_16023588340

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).

Reviewed-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
Link: https://lore.kernel.org/r/20251013200944.2499947-44-matthew.d.roper@intel.com
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>

diff --git a/drivers/gpu/drm/xe/display/xe_display_wa.c b/drivers/gpu/drm/xe/display/xe_display_wa.c
index 8ada1cbcb16c55642f124d42de2bac4cbb0233bc..2aa1b8c03411feed610c740529a81227fd4cf219 100644 (file)
--- 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);
 }