drm/i915/selftests: Use to_gt() helper for GGTT accesses

GGTT is currently available both through i915->ggtt and gt->ggtt, and we
eventually want to get rid of the i915->ggtt one.
Use to_gt() for all i915->ggtt accesses to help with the future
refactoring.

Signed-off-by: Michał Winiarski <michal.winiarski@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Reviewed-by: Sujaritha Sundaresan <sujaritha.sundaresan@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211219212500.61432-6-andi.shyti@linux.intel.com

drivers/gpu/drm/i915/selftests/i915_gem.c

@@ -41,7 +41,7 @@ static int switch_to_context(struct i915_gem_context *ctx)
 
 static void trash_stolen(struct drm_i915_private *i915)
 {
-	struct i915_ggtt *ggtt = &i915->ggtt;
+	struct i915_ggtt *ggtt = to_gt(i915)->ggtt;
 	const u64 slot = ggtt->error_capture.start;
 	const resource_size_t size = resource_size(&i915->dsm);
 	unsigned long page;
@@ -99,7 +99,7 @@ static void igt_pm_suspend(struct drm_i915_private *i915)
 	intel_wakeref_t wakeref;
 
 	with_intel_runtime_pm(&i915->runtime_pm, wakeref) {
-		i915_ggtt_suspend(&i915->ggtt);
+		i915_ggtt_suspend(to_gt(i915)->ggtt);
 		i915_gem_suspend_late(i915);
 	}
 }
@@ -109,7 +109,7 @@ static void igt_pm_hibernate(struct drm_i915_private *i915)
 	intel_wakeref_t wakeref;
 
 	with_intel_runtime_pm(&i915->runtime_pm, wakeref) {
-		i915_ggtt_suspend(&i915->ggtt);
+		i915_ggtt_suspend(to_gt(i915)->ggtt);
 
 		i915_gem_freeze(i915);
 		i915_gem_freeze_late(i915);
@@ -125,7 +125,7 @@ static void igt_pm_resume(struct drm_i915_private *i915)
 	 * that runtime-pm just works.
 	 */
 	with_intel_runtime_pm(&i915->runtime_pm, wakeref) {
-		i915_ggtt_resume(&i915->ggtt);
+		i915_ggtt_resume(to_gt(i915)->ggtt);
 		i915_gem_resume(i915);
 	}
 }

drivers/gpu/drm/i915/selftests/i915_gem_gtt.c

@@ -1122,7 +1122,7 @@ static int exercise_ggtt(struct drm_i915_private *i915,
 				     u64 hole_start, u64 hole_end,
 				     unsigned long end_time))
 {
-	struct i915_ggtt *ggtt = &i915->ggtt;
+	struct i915_ggtt *ggtt = to_gt(i915)->ggtt;
 	u64 hole_start, hole_end, last = 0;
 	struct drm_mm_node *node;
 	IGT_TIMEOUT(end_time);
@@ -1182,7 +1182,7 @@ static int igt_ggtt_page(void *arg)
 	const unsigned int count = PAGE_SIZE/sizeof(u32);
 	I915_RND_STATE(prng);
 	struct drm_i915_private *i915 = arg;
-	struct i915_ggtt *ggtt = &i915->ggtt;
+	struct i915_ggtt *ggtt = to_gt(i915)->ggtt;
 	struct drm_i915_gem_object *obj;
 	intel_wakeref_t wakeref;
 	struct drm_mm_node tmp;
@@ -2114,7 +2114,7 @@ int i915_gem_gtt_live_selftests(struct drm_i915_private *i915)
 		SUBTEST(igt_cs_tlb),
 	};
 
-	GEM_BUG_ON(offset_in_page(i915->ggtt.vm.total));
+	GEM_BUG_ON(offset_in_page(to_gt(i915)->ggtt->vm.total));
 
 	return i915_subtests(tests, i915);
 }

drivers/gpu/drm/i915/selftests/i915_request.c

@@ -843,7 +843,7 @@ static struct i915_vma *empty_batch(struct drm_i915_private *i915)
 
 	intel_gt_chipset_flush(to_gt(i915));
 
-	vma = i915_vma_instance(obj, &i915->ggtt.vm, NULL);
+	vma = i915_vma_instance(obj, &to_gt(i915)->ggtt->vm, NULL);
 	if (IS_ERR(vma)) {
 		err = PTR_ERR(vma);
 		goto err;

drivers/gpu/drm/i915/selftests/i915_vma.c

@@ -982,7 +982,7 @@ static int igt_vma_remapped_gtt(void *arg)
 	intel_wakeref_t wakeref;
 	int err = 0;
 
-	if (!i915_ggtt_has_aperture(&i915->ggtt))
+	if (!i915_ggtt_has_aperture(to_gt(i915)->ggtt))
 		return 0;
 
 	obj = i915_gem_object_create_internal(i915, 10 * 10 * PAGE_SIZE);

drivers/gpu/drm/i915/selftests/mock_gem_device.c

@@ -69,7 +69,7 @@ static void mock_device_release(struct drm_device *dev)
 	i915_gem_drain_workqueue(i915);
 	i915_gem_drain_freed_objects(i915);
 
-	mock_fini_ggtt(&i915->ggtt);
+	mock_fini_ggtt(to_gt(i915)->ggtt);
 	destroy_workqueue(i915->wq);
 
 	intel_region_ttm_device_fini(i915);