[RFC 7/9] drm/xe/gt_tlb_invalidation_ggtt: Call xe_force_wake_put if xe_force_wake_get succeds

[Himal Prasad Ghimiray]

A failure in xe_force_wake_get() no longer increments the domain's
refcount, so xe_force_wake_put() should not be called in such cases

Cc: Matthew Brost <matthew.brost at intel.com>
Cc: Rodrigo Vivi <rodrigo.vivi at intel.com>
Cc: Lucas De Marchi <lucas.demarchi at intel.com>
Signed-off-by: Himal Prasad Ghimiray <himal.prasad.ghimiray at intel.com>
---
 drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
index cca9cf536f76..3f86ab704c4f 100644
--- a/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
+++ b/drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
@@ -259,11 +259,11 @@ static int xe_gt_tlb_invalidation_guc(struct xe_gt *gt,
 int xe_gt_tlb_invalidation_ggtt(struct xe_gt *gt)
 {
 	struct xe_device *xe = gt_to_xe(gt);
+	int ret;
 
 	if (xe_guc_ct_enabled(&gt->uc.guc.ct) &&
 	    gt->uc.guc.submission_state.enabled) {
 		struct xe_gt_tlb_invalidation_fence fence;
-		int ret;
 
 		xe_gt_tlb_invalidation_fence_init(gt, &fence, true);
 		ret = xe_gt_tlb_invalidation_guc(gt, &fence);
@@ -277,7 +277,9 @@ int xe_gt_tlb_invalidation_ggtt(struct xe_gt *gt)
 		if (IS_SRIOV_VF(xe))
 			return 0;
 
-		xe_gt_WARN_ON(gt, xe_force_wake_get(gt_to_fw(gt), XE_FW_GT));
+		ret =  xe_force_wake_get(gt_to_fw(gt), XE_FW_GT);
+		xe_gt_WARN_ON(gt, ret);
+
 		if (xe->info.platform == XE_PVC || GRAPHICS_VER(xe) >= 20) {
 			xe_mmio_write32(gt, PVC_GUC_TLB_INV_DESC1,
 					PVC_GUC_TLB_INV_DESC1_INVALIDATE);
@@ -287,7 +289,8 @@ int xe_gt_tlb_invalidation_ggtt(struct xe_gt *gt)
 			xe_mmio_write32(gt, GUC_TLB_INV_CR,
 					GUC_TLB_INV_CR_INVALIDATE);
 		}
-		xe_force_wake_put(gt_to_fw(gt), XE_FW_GT);
+		if (!ret)
+			xe_force_wake_put(gt_to_fw(gt), XE_FW_GT);
 	}
 
 	return 0;
-- 
2.34.1