[PATCH v10 2/6] drm/i915: Use to_gt() helper for GGTT accesses

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From: Michał Winiarski <michal.winiarski@xxxxxxxxx>

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@xxxxxxxxx>
Cc: Michal Wajdeczko <michal.wajdeczko@xxxxxxxxx>
Signed-off-by: Andi Shyti <andi.shyti@xxxxxxxxxxxxxxx>
---
Hi Matt,

I'm sending this this v10 as reply-to, if it confuses you I can
send the whole v10.

The only trivial difference is that in i915_perf.c I'm using

  to_gt(perf->i915)

instead of

  to_gt(perf->i915)->ggtt->vm.gt

Andi

 drivers/gpu/drm/i915/gvt/dmabuf.c    |  2 +-
 drivers/gpu/drm/i915/i915_debugfs.c  |  4 ++--
 drivers/gpu/drm/i915/i915_driver.c   |  4 ++--
 drivers/gpu/drm/i915/i915_drv.h      |  2 +-
 drivers/gpu/drm/i915/i915_gem.c      | 23 ++++++++++++-----------
 drivers/gpu/drm/i915/i915_gem_gtt.c  |  6 +++---
 drivers/gpu/drm/i915/i915_getparam.c |  2 +-
 drivers/gpu/drm/i915/i915_perf.c     |  6 +++---
 8 files changed, 25 insertions(+), 24 deletions(-)

diff --git a/drivers/gpu/drm/i915/gvt/dmabuf.c b/drivers/gpu/drm/i915/gvt/dmabuf.c
index 8e65cd8258b9..94c3eb1586b0 100644
--- a/drivers/gpu/drm/i915/gvt/dmabuf.c
+++ b/drivers/gpu/drm/i915/gvt/dmabuf.c
@@ -84,7 +84,7 @@ static int vgpu_gem_get_pages(
 		kfree(st);
 		return ret;
 	}
-	gtt_entries = (gen8_pte_t __iomem *)dev_priv->ggtt.gsm +
+	gtt_entries = (gen8_pte_t __iomem *)to_gt(dev_priv)->ggtt->gsm +
 		(fb_info->start >> PAGE_SHIFT);
 	for_each_sg(st->sgl, sg, page_num, i) {
 		dma_addr_t dma_addr =
diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index e0e052cdf8b8..6966fe08df92 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -390,9 +390,9 @@ static int i915_swizzle_info(struct seq_file *m, void *data)
 	intel_wakeref_t wakeref;
 
 	seq_printf(m, "bit6 swizzle for X-tiling = %s\n",
-		   swizzle_string(dev_priv->ggtt.bit_6_swizzle_x));
+		   swizzle_string(to_gt(dev_priv)->ggtt->bit_6_swizzle_x));
 	seq_printf(m, "bit6 swizzle for Y-tiling = %s\n",
-		   swizzle_string(dev_priv->ggtt.bit_6_swizzle_y));
+		   swizzle_string(to_gt(dev_priv)->ggtt->bit_6_swizzle_y));
 
 	if (dev_priv->quirks & QUIRK_PIN_SWIZZLED_PAGES)
 		seq_puts(m, "L-shaped memory detected\n");
diff --git a/drivers/gpu/drm/i915/i915_driver.c b/drivers/gpu/drm/i915/i915_driver.c
index 60f8cbf24de7..3c984553d86f 100644
--- a/drivers/gpu/drm/i915/i915_driver.c
+++ b/drivers/gpu/drm/i915/i915_driver.c
@@ -1146,7 +1146,7 @@ static int i915_drm_suspend(struct drm_device *dev)
 
 	/* Must be called before GGTT is suspended. */
 	intel_dpt_suspend(dev_priv);
-	i915_ggtt_suspend(&dev_priv->ggtt);
+	i915_ggtt_suspend(to_gt(dev_priv)->ggtt);
 
 	i915_save_display(dev_priv);
 
@@ -1270,7 +1270,7 @@ static int i915_drm_resume(struct drm_device *dev)
 	if (ret)
 		drm_err(&dev_priv->drm, "failed to re-enable GGTT\n");
 
-	i915_ggtt_resume(&dev_priv->ggtt);
+	i915_ggtt_resume(to_gt(dev_priv)->ggtt);
 	/* Must be called after GGTT is resumed. */
 	intel_dpt_resume(dev_priv);
 
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index beeb42a14aae..01518ce8f401 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1748,7 +1748,7 @@ static inline bool i915_gem_object_needs_bit17_swizzle(struct drm_i915_gem_objec
 {
 	struct drm_i915_private *i915 = to_i915(obj->base.dev);
 
-	return i915->ggtt.bit_6_swizzle_x == I915_BIT_6_SWIZZLE_9_10_17 &&
+	return to_gt(i915)->ggtt->bit_6_swizzle_x == I915_BIT_6_SWIZZLE_9_10_17 &&
 		i915_gem_object_is_tiled(obj);
 }
 
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 915bf431f320..e3730096abd9 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -88,7 +88,8 @@ int
 i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
 			    struct drm_file *file)
 {
-	struct i915_ggtt *ggtt = &to_i915(dev)->ggtt;
+	struct drm_i915_private *i915 = to_i915(dev);
+	struct i915_ggtt *ggtt = to_gt(i915)->ggtt;
 	struct drm_i915_gem_get_aperture *args = data;
 	struct i915_vma *vma;
 	u64 pinned;
@@ -289,7 +290,7 @@ static struct i915_vma *i915_gem_gtt_prepare(struct drm_i915_gem_object *obj,
 					     bool write)
 {
 	struct drm_i915_private *i915 = to_i915(obj->base.dev);
-	struct i915_ggtt *ggtt = &i915->ggtt;
+	struct i915_ggtt *ggtt = to_gt(i915)->ggtt;
 	struct i915_vma *vma;
 	struct i915_gem_ww_ctx ww;
 	int ret;
@@ -350,7 +351,7 @@ static void i915_gem_gtt_cleanup(struct drm_i915_gem_object *obj,
 				 struct i915_vma *vma)
 {
 	struct drm_i915_private *i915 = to_i915(obj->base.dev);
-	struct i915_ggtt *ggtt = &i915->ggtt;
+	struct i915_ggtt *ggtt = to_gt(i915)->ggtt;
 
 	i915_gem_object_unpin_pages(obj);
 	if (drm_mm_node_allocated(node)) {
@@ -366,7 +367,7 @@ i915_gem_gtt_pread(struct drm_i915_gem_object *obj,
 		   const struct drm_i915_gem_pread *args)
 {
 	struct drm_i915_private *i915 = to_i915(obj->base.dev);
-	struct i915_ggtt *ggtt = &i915->ggtt;
+	struct i915_ggtt *ggtt = to_gt(i915)->ggtt;
 	intel_wakeref_t wakeref;
 	struct drm_mm_node node;
 	void __user *user_data;
@@ -522,7 +523,7 @@ i915_gem_gtt_pwrite_fast(struct drm_i915_gem_object *obj,
 			 const struct drm_i915_gem_pwrite *args)
 {
 	struct drm_i915_private *i915 = to_i915(obj->base.dev);
-	struct i915_ggtt *ggtt = &i915->ggtt;
+	struct i915_ggtt *ggtt = to_gt(i915)->ggtt;
 	struct intel_runtime_pm *rpm = &i915->runtime_pm;
 	intel_wakeref_t wakeref;
 	struct drm_mm_node node;
@@ -823,7 +824,7 @@ void i915_gem_runtime_suspend(struct drm_i915_private *i915)
 	 */
 
 	list_for_each_entry_safe(obj, on,
-				 &i915->ggtt.userfault_list, userfault_link)
+				 &to_gt(i915)->ggtt->userfault_list, userfault_link)
 		__i915_gem_object_release_mmap_gtt(obj);
 
 	/*
@@ -831,8 +832,8 @@ void i915_gem_runtime_suspend(struct drm_i915_private *i915)
 	 * in use by hardware (i.e. they are pinned), we should not be powering
 	 * down! All other fences will be reacquired by the user upon waking.
 	 */
-	for (i = 0; i < i915->ggtt.num_fences; i++) {
-		struct i915_fence_reg *reg = &i915->ggtt.fence_regs[i];
+	for (i = 0; i < to_gt(i915)->ggtt->num_fences; i++) {
+		struct i915_fence_reg *reg = &to_gt(i915)->ggtt->fence_regs[i];
 
 		/*
 		 * Ideally we want to assert that the fence register is not
@@ -873,7 +874,7 @@ i915_gem_object_ggtt_pin_ww(struct drm_i915_gem_object *obj,
 			    u64 size, u64 alignment, u64 flags)
 {
 	struct drm_i915_private *i915 = to_i915(obj->base.dev);
-	struct i915_ggtt *ggtt = &i915->ggtt;
+	struct i915_ggtt *ggtt = to_gt(i915)->ggtt;
 	struct i915_vma *vma;
 	int ret;
 
@@ -1123,7 +1124,7 @@ int i915_gem_init(struct drm_i915_private *dev_priv)
 
 		/* Minimal basic recovery for KMS */
 		ret = i915_ggtt_enable_hw(dev_priv);
-		i915_ggtt_resume(&dev_priv->ggtt);
+		i915_ggtt_resume(to_gt(dev_priv)->ggtt);
 		intel_init_clock_gating(dev_priv);
 	}
 
@@ -1146,7 +1147,7 @@ void i915_gem_driver_unregister(struct drm_i915_private *i915)
 
 void i915_gem_driver_remove(struct drm_i915_private *dev_priv)
 {
-	intel_wakeref_auto_fini(&dev_priv->ggtt.userfault_wakeref);
+	intel_wakeref_auto_fini(&to_gt(dev_priv)->ggtt->userfault_wakeref);
 
 	i915_gem_suspend_late(dev_priv);
 	intel_gt_driver_remove(to_gt(dev_priv));
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index cd5f2348a187..2f2ba7a2955d 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -56,7 +56,7 @@ void i915_gem_gtt_finish_pages(struct drm_i915_gem_object *obj,
 			       struct sg_table *pages)
 {
 	struct drm_i915_private *i915 = to_i915(obj->base.dev);
-	struct i915_ggtt *ggtt = &i915->ggtt;
+	struct i915_ggtt *ggtt = to_gt(i915)->ggtt;
 
 	/* XXX This does not prevent more requests being submitted! */
 	if (unlikely(ggtt->do_idle_maps))
@@ -103,7 +103,7 @@ int i915_gem_gtt_reserve(struct i915_address_space *vm,
 	GEM_BUG_ON(!IS_ALIGNED(size, I915_GTT_PAGE_SIZE));
 	GEM_BUG_ON(!IS_ALIGNED(offset, I915_GTT_MIN_ALIGNMENT));
 	GEM_BUG_ON(range_overflows(offset, size, vm->total));
-	GEM_BUG_ON(vm == &vm->i915->ggtt.alias->vm);
+	GEM_BUG_ON(vm == &to_gt(vm->i915)->ggtt->alias->vm);
 	GEM_BUG_ON(drm_mm_node_allocated(node));
 
 	node->size = size;
@@ -201,7 +201,7 @@ int i915_gem_gtt_insert(struct i915_address_space *vm,
 	GEM_BUG_ON(start >= end);
 	GEM_BUG_ON(start > 0  && !IS_ALIGNED(start, I915_GTT_PAGE_SIZE));
 	GEM_BUG_ON(end < U64_MAX && !IS_ALIGNED(end, I915_GTT_PAGE_SIZE));
-	GEM_BUG_ON(vm == &vm->i915->ggtt.alias->vm);
+	GEM_BUG_ON(vm == &to_gt(vm->i915)->ggtt->alias->vm);
 	GEM_BUG_ON(drm_mm_node_allocated(node));
 
 	if (unlikely(range_overflows(start, size, end)))
diff --git a/drivers/gpu/drm/i915/i915_getparam.c b/drivers/gpu/drm/i915/i915_getparam.c
index 7f80ad247bc8..5b8a2157d797 100644
--- a/drivers/gpu/drm/i915/i915_getparam.c
+++ b/drivers/gpu/drm/i915/i915_getparam.c
@@ -31,7 +31,7 @@ int i915_getparam_ioctl(struct drm_device *dev, void *data,
 		value = pdev->revision;
 		break;
 	case I915_PARAM_NUM_FENCES_AVAIL:
-		value = i915->ggtt.num_fences;
+		value = to_gt(i915)->ggtt->num_fences;
 		break;
 	case I915_PARAM_HAS_OVERLAY:
 		value = !!i915->overlay;
diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c
index 170bba913c30..298857b69180 100644
--- a/drivers/gpu/drm/i915/i915_perf.c
+++ b/drivers/gpu/drm/i915/i915_perf.c
@@ -1630,8 +1630,8 @@ static int alloc_noa_wait(struct i915_perf_stream *stream)
 	struct drm_i915_gem_object *bo;
 	struct i915_vma *vma;
 	const u64 delay_ticks = 0xffffffffffffffff -
-		intel_gt_ns_to_clock_interval(stream->perf->i915->ggtt.vm.gt,
-					      atomic64_read(&stream->perf->noa_programming_delay));
+		intel_gt_ns_to_clock_interval(to_gt(stream->perf->i915),
+		atomic64_read(&stream->perf->noa_programming_delay));
 	const u32 base = stream->engine->mmio_base;
 #define CS_GPR(x) GEN8_RING_CS_GPR(base, x)
 	u32 *batch, *ts0, *cs, *jump;
@@ -3542,7 +3542,7 @@ i915_perf_open_ioctl_locked(struct i915_perf *perf,
 
 static u64 oa_exponent_to_ns(struct i915_perf *perf, int exponent)
 {
-	return intel_gt_clock_interval_to_ns(perf->i915->ggtt.vm.gt,
+	return intel_gt_clock_interval_to_ns(to_gt(perf->i915),
 					     2ULL << exponent);
 }
 
-- 
2.34.1




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