From: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
This will become useful in the following patch.
v2:
* Assign the pointer through a helper on the top level to work around
the layering violation. (Chris)
v3:
* Handle selftests.
v4:
* Move call to intel_gt_init_hw into mock_init_ggtt. (Chris)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursu...@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.v...@intel.com>
Reviewed-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
drivers/gpu/drm/i915/gt/intel_gt.c | 5 +++++
drivers/gpu/drm/i915/gt/intel_gt.h | 1 +
drivers/gpu/drm/i915/gt/intel_gt_types.h | 2 ++
drivers/gpu/drm/i915/i915_drv.c | 2 ++
drivers/gpu/drm/i915/selftests/mock_gtt.c | 2 ++
5 files changed, 12 insertions(+)
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c
b/drivers/gpu/drm/i915/gt/intel_gt.c
index f632b7b5b490..e22ee3e823fa 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt.c
@@ -22,6 +22,11 @@ void intel_gt_init_early(struct intel_gt *gt, struct
drm_i915_private *i915)
intel_gt_pm_init_early(gt);
}
+void intel_gt_init_hw(struct drm_i915_private *i915)
+{
+ i915->gt.ggtt = &i915->ggtt;
+}
+
static void rmw_set(struct intel_uncore *uncore, i915_reg_t reg, u32 set)
{
intel_uncore_rmw(uncore, reg, 0, set);
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.h
b/drivers/gpu/drm/i915/gt/intel_gt.h
index fb064758b591..29cd15be6a01 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt.h
@@ -12,6 +12,7 @@
struct drm_i915_private;
void intel_gt_init_early(struct intel_gt *gt, struct drm_i915_private *i915);
+void intel_gt_init_hw(struct drm_i915_private *i915);
void intel_gt_check_and_clear_faults(struct intel_gt *gt);
void intel_gt_clear_error_registers(struct intel_gt *gt,
diff --git a/drivers/gpu/drm/i915/gt/intel_gt_types.h
b/drivers/gpu/drm/i915/gt/intel_gt_types.h
index 86a4985f8e84..be891492505d 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt_types.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt_types.h
@@ -17,11 +17,13 @@
#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_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index c02fdefcb356..4a211d5e2701 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1593,6 +1593,8 @@ static int i915_driver_init_hw(struct drm_i915_private
*dev_priv)
if (ret)
goto err_ggtt;
+ intel_gt_init_hw(dev_priv);
+
ret = i915_ggtt_enable_hw(dev_priv);
if (ret) {
DRM_ERROR("failed to enable GGTT\n");
diff --git a/drivers/gpu/drm/i915/selftests/mock_gtt.c
b/drivers/gpu/drm/i915/selftests/mock_gtt.c
index 215372f75eec..e62a67e0f79c 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gtt.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gtt.c
@@ -117,6 +117,8 @@ void mock_init_ggtt(struct drm_i915_private *i915, struct
i915_ggtt *ggtt)
ggtt->vm.vma_ops.clear_pages = clear_pages;
i915_address_space_init(&ggtt->vm, VM_CLASS_GGTT);
+
+ intel_gt_init_hw(i915);
}
void mock_fini_ggtt(struct i915_ggtt *ggtt)
--
2.20.1
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