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

Tvrtko Ursulin
2019-06-13T15:19:12Z

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