[RFC 26/28] drm/i915: Store ggtt pointer in intel_gt

[Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com>]

From: Tvrtko Ursulin <tvrtko.ursulin@intel.com>

This will become useful in the following patch.

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
---
 drivers/gpu/drm/i915/gt/intel_gt_types.h | 2 ++
 drivers/gpu/drm/i915/i915_gem_gtt.c      | 1 +
 2 files changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/gt/intel_gt_types.h b/drivers/gpu/drm/i915/gt/intel_gt_types.h
index 99e30f8cfbe0..c909aae6e4b3 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_types.h
@@ -18,11 +18,13 @@
 #include "intel_wakeref.h"
 
 struct drm_i915_private;
+struct i915_ggtt;
 struct intel_uncore;
 
 struct intel_gt {
 	struct drm_i915_private *i915;
 	struct intel_uncore *uncore;
+	struct i915_ggtt *ggtt;
 
 	struct i915_gt_timelines {
 		struct mutex mutex; /* protects list, tainted by GPU */
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index ea276ed9021a..9aa25770081c 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -3618,6 +3618,7 @@ static int ggtt_init_hw(struct i915_ggtt *ggtt)
 	i915_address_space_init(vm, VM_CLASS_GGTT);
 
 	vm->is_ggtt = true;
+	vm->gt->ggtt = ggtt;
 
 	/* Only VLV supports read-only GGTT mappings */
 	vm->has_read_only = IS_VALLEYVIEW(i915);
-- 
2.20.1

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