From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
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)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@xxxxxxxxx>
---
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 ++
4 files changed, 10 insertions(+)
diff --git a/drivers/gpu/drm/i915/gt/intel_gt.c b/drivers/gpu/drm/i915/gt/intel_gt.c
index d25bcc4ae2c9..204e7039ca32 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.c
+++ b/drivers/gpu/drm/i915/gt/intel_gt.c
@@ -23,6 +23,11 @@ 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 ffdc3014486f..091ded4deead 100644
--- a/drivers/gpu/drm/i915/gt/intel_gt.h
+++ b/drivers/gpu/drm/i915/gt/intel_gt.h
@@ -13,6 +13,7 @@
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 d96df4f68741..233f73316a43 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_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 477da7aff0ed..39a35bc10db9 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -1586,6 +1586,8 @@ 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");
--
2.20.1
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