From 71724f708997595919cb1e75c5e48916c8846d2e Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Thu, 3 Oct 2019 22:00:58 +0100
Subject: drm/mm: Use helpers for drm_mm_node booleans

In preparation for rearranging the booleans into a flags field, ensure
all the current users are using the inline helpers and not directly
accessing the members.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191003210100.22250-3-chris@chris-wilson.co.uk
---
 drivers/gpu/drm/drm_mm.c                       | 19 ++++++++++++-------
 drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c |  4 ++--
 drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c       |  2 +-
 drivers/gpu/drm/i915/i915_gem.c                | 12 ++++++------
 drivers/gpu/drm/i915/i915_gem_evict.c          |  2 +-
 drivers/gpu/drm/i915/i915_gem_gtt.c            |  2 +-
 drivers/gpu/drm/i915/i915_vma.c                |  4 ++--
 drivers/gpu/drm/i915/i915_vma.h                |  2 +-
 drivers/gpu/drm/selftests/test-drm_mm.c        | 14 +++++++-------
 drivers/gpu/drm/vc4/vc4_crtc.c                 |  2 +-
 drivers/gpu/drm/vc4/vc4_hvs.c                  |  2 +-
 drivers/gpu/drm/vc4/vc4_plane.c                |  4 ++--
 12 files changed, 37 insertions(+), 32 deletions(-)

diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c
index 4581c5387372..99312bdc6273 100644
--- a/drivers/gpu/drm/drm_mm.c
+++ b/drivers/gpu/drm/drm_mm.c
@@ -174,7 +174,7 @@ static void drm_mm_interval_tree_add_node(struct drm_mm_node *hole_node,
 
 	node->__subtree_last = LAST(node);
 
-	if (hole_node->allocated) {
+	if (drm_mm_node_allocated(hole_node)) {
 		rb = &hole_node->rb;
 		while (rb) {
 			parent = rb_entry(rb, struct drm_mm_node, rb);
@@ -561,6 +561,11 @@ int drm_mm_insert_node_in_range(struct drm_mm * const mm,
 }
 EXPORT_SYMBOL(drm_mm_insert_node_in_range);
 
+static inline bool drm_mm_node_scanned_block(const struct drm_mm_node *node)
+{
+	return node->scanned_block;
+}
+
 /**
  * drm_mm_remove_node - Remove a memory node from the allocator.
  * @node: drm_mm_node to remove
@@ -574,8 +579,8 @@ void drm_mm_remove_node(struct drm_mm_node *node)
 	struct drm_mm *mm = node->mm;
 	struct drm_mm_node *prev_node;
 
-	DRM_MM_BUG_ON(!node->allocated);
-	DRM_MM_BUG_ON(node->scanned_block);
+	DRM_MM_BUG_ON(!drm_mm_node_allocated(node));
+	DRM_MM_BUG_ON(drm_mm_node_scanned_block(node));
 
 	prev_node = list_prev_entry(node, node_list);
 
@@ -605,7 +610,7 @@ void drm_mm_replace_node(struct drm_mm_node *old, struct drm_mm_node *new)
 {
 	struct drm_mm *mm = old->mm;
 
-	DRM_MM_BUG_ON(!old->allocated);
+	DRM_MM_BUG_ON(!drm_mm_node_allocated(old));
 
 	*new = *old;
 
@@ -731,8 +736,8 @@ bool drm_mm_scan_add_block(struct drm_mm_scan *scan,
 	u64 adj_start, adj_end;
 
 	DRM_MM_BUG_ON(node->mm != mm);
-	DRM_MM_BUG_ON(!node->allocated);
-	DRM_MM_BUG_ON(node->scanned_block);
+	DRM_MM_BUG_ON(!drm_mm_node_allocated(node));
+	DRM_MM_BUG_ON(drm_mm_node_scanned_block(node));
 	node->scanned_block = true;
 	mm->scan_active++;
 
@@ -818,7 +823,7 @@ bool drm_mm_scan_remove_block(struct drm_mm_scan *scan,
 	struct drm_mm_node *prev_node;
 
 	DRM_MM_BUG_ON(node->mm != scan->mm);
-	DRM_MM_BUG_ON(!node->scanned_block);
+	DRM_MM_BUG_ON(!drm_mm_node_scanned_block(node));
 	node->scanned_block = false;
 
 	DRM_MM_BUG_ON(!node->mm->scan_active);
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
index b5f6937369ea..1cc93022f8e0 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c
@@ -963,7 +963,7 @@ static void reloc_cache_reset(struct reloc_cache *cache)
 		intel_gt_flush_ggtt_writes(ggtt->vm.gt);
 		io_mapping_unmap_atomic((void __iomem *)vaddr);
 
-		if (cache->node.allocated) {
+		if (drm_mm_node_allocated(&cache->node)) {
 			ggtt->vm.clear_range(&ggtt->vm,
 					     cache->node.start,
 					     cache->node.size);
@@ -1056,7 +1056,7 @@ static void *reloc_iomap(struct drm_i915_gem_object *obj,
 	}
 
 	offset = cache->node.start;
-	if (cache->node.allocated) {
+	if (drm_mm_node_allocated(&cache->node)) {
 		ggtt->vm.insert_page(&ggtt->vm,
 				     i915_gem_object_get_dma_address(obj, page),
 				     offset, I915_CACHE_NONE, 0);
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
index bd22bf11adad..a34e95a07b1d 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_uc_fw.c
@@ -400,7 +400,7 @@ static u32 uc_fw_ggtt_offset(struct intel_uc_fw *uc_fw, struct i915_ggtt *ggtt)
 {
 	struct drm_mm_node *node = &ggtt->uc_fw;
 
-	GEM_BUG_ON(!node->allocated);
+	GEM_BUG_ON(!drm_mm_node_allocated(node));
 	GEM_BUG_ON(upper_32_bits(node->start));
 	GEM_BUG_ON(upper_32_bits(node->start + node->size - 1));
 
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 95e7c52cf8ed..1c44fccfe718 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -356,7 +356,7 @@ i915_gem_gtt_pread(struct drm_i915_gem_object *obj,
 		ret = insert_mappable_node(ggtt, &node, PAGE_SIZE);
 		if (ret)
 			goto out_unlock;
-		GEM_BUG_ON(!node.allocated);
+		GEM_BUG_ON(!drm_mm_node_allocated(&node));
 	}
 
 	mutex_unlock(&i915->drm.struct_mutex);
@@ -393,7 +393,7 @@ i915_gem_gtt_pread(struct drm_i915_gem_object *obj,
 		unsigned page_offset = offset_in_page(offset);
 		unsigned page_length = PAGE_SIZE - page_offset;
 		page_length = remain < page_length ? remain : page_length;
-		if (node.allocated) {
+		if (drm_mm_node_allocated(&node)) {
 			ggtt->vm.insert_page(&ggtt->vm,
 					     i915_gem_object_get_dma_address(obj, offset >> PAGE_SHIFT),
 					     node.start, I915_CACHE_NONE, 0);
@@ -415,7 +415,7 @@ i915_gem_gtt_pread(struct drm_i915_gem_object *obj,
 	i915_gem_object_unlock_fence(obj, fence);
 out_unpin:
 	mutex_lock(&i915->drm.struct_mutex);
-	if (node.allocated) {
+	if (drm_mm_node_allocated(&node)) {
 		ggtt->vm.clear_range(&ggtt->vm, node.start, node.size);
 		remove_mappable_node(&node);
 	} else {
@@ -566,7 +566,7 @@ i915_gem_gtt_pwrite_fast(struct drm_i915_gem_object *obj,
 		ret = insert_mappable_node(ggtt, &node, PAGE_SIZE);
 		if (ret)
 			goto out_rpm;
-		GEM_BUG_ON(!node.allocated);
+		GEM_BUG_ON(!drm_mm_node_allocated(&node));
 	}
 
 	mutex_unlock(&i915->drm.struct_mutex);
@@ -604,7 +604,7 @@ i915_gem_gtt_pwrite_fast(struct drm_i915_gem_object *obj,
 		unsigned int page_offset = offset_in_page(offset);
 		unsigned int page_length = PAGE_SIZE - page_offset;
 		page_length = remain < page_length ? remain : page_length;
-		if (node.allocated) {
+		if (drm_mm_node_allocated(&node)) {
 			/* flush the write before we modify the GGTT */
 			intel_gt_flush_ggtt_writes(ggtt->vm.gt);
 			ggtt->vm.insert_page(&ggtt->vm,
@@ -636,7 +636,7 @@ i915_gem_gtt_pwrite_fast(struct drm_i915_gem_object *obj,
 out_unpin:
 	mutex_lock(&i915->drm.struct_mutex);
 	intel_gt_flush_ggtt_writes(ggtt->vm.gt);
-	if (node.allocated) {
+	if (drm_mm_node_allocated(&node)) {
 		ggtt->vm.clear_range(&ggtt->vm, node.start, node.size);
 		remove_mappable_node(&node);
 	} else {
diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c
index 52c86c6e0673..7abcac3b5e2e 100644
--- a/drivers/gpu/drm/i915/i915_gem_evict.c
+++ b/drivers/gpu/drm/i915/i915_gem_evict.c
@@ -301,7 +301,7 @@ int i915_gem_evict_for_node(struct i915_address_space *vm,
 			break;
 		}
 
-		GEM_BUG_ON(!node->allocated);
+		GEM_BUG_ON(!drm_mm_node_allocated(node));
 		vma = container_of(node, typeof(*vma), node);
 
 		/* If we are using coloring to insert guard pages between
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c
index b1a7a8b9b46a..aa4c85603dcb 100644
--- a/drivers/gpu/drm/i915/i915_gem_gtt.c
+++ b/drivers/gpu/drm/i915/i915_gem_gtt.c
@@ -2560,7 +2560,7 @@ static void i915_gtt_color_adjust(const struct drm_mm_node *node,
 				  u64 *start,
 				  u64 *end)
 {
-	if (node->allocated && node->color != color)
+	if (drm_mm_node_allocated(node) && node->color != color)
 		*start += I915_GTT_PAGE_SIZE;
 
 	/* Also leave a space between the unallocated reserved node after the
diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c
index e0e677b2a3a9..76525543009a 100644
--- a/drivers/gpu/drm/i915/i915_vma.c
+++ b/drivers/gpu/drm/i915/i915_vma.c
@@ -479,7 +479,7 @@ void __i915_vma_set_map_and_fenceable(struct i915_vma *vma)
 
 static bool color_differs(struct drm_mm_node *node, unsigned long color)
 {
-	return node->allocated && node->color != color;
+	return drm_mm_node_allocated(node) && node->color != color;
 }
 
 bool i915_gem_valid_gtt_space(struct i915_vma *vma, unsigned long cache_level)
@@ -797,7 +797,7 @@ void i915_vma_reopen(struct i915_vma *vma)
 
 static void __i915_vma_destroy(struct i915_vma *vma)
 {
-	GEM_BUG_ON(vma->node.allocated);
+	GEM_BUG_ON(drm_mm_node_allocated(&vma->node));
 	GEM_BUG_ON(vma->fence);
 
 	mutex_lock(&vma->vm->mutex);
diff --git a/drivers/gpu/drm/i915/i915_vma.h b/drivers/gpu/drm/i915/i915_vma.h
index 889fc7cb910a..af2ef0a51455 100644
--- a/drivers/gpu/drm/i915/i915_vma.h
+++ b/drivers/gpu/drm/i915/i915_vma.h
@@ -214,7 +214,7 @@ static inline bool i915_vma_is_closed(const struct i915_vma *vma)
 static inline u32 i915_ggtt_offset(const struct i915_vma *vma)
 {
 	GEM_BUG_ON(!i915_vma_is_ggtt(vma));
-	GEM_BUG_ON(!vma->node.allocated);
+	GEM_BUG_ON(!drm_mm_node_allocated(&vma->node));
 	GEM_BUG_ON(upper_32_bits(vma->node.start));
 	GEM_BUG_ON(upper_32_bits(vma->node.start + vma->node.size - 1));
 	return lower_32_bits(vma->node.start);
diff --git a/drivers/gpu/drm/selftests/test-drm_mm.c b/drivers/gpu/drm/selftests/test-drm_mm.c
index 388f9844f4ba..9aabe82dcd3a 100644
--- a/drivers/gpu/drm/selftests/test-drm_mm.c
+++ b/drivers/gpu/drm/selftests/test-drm_mm.c
@@ -854,7 +854,7 @@ static bool assert_contiguous_in_range(struct drm_mm *mm,
 
 	if (start > 0) {
 		node = __drm_mm_interval_first(mm, 0, start - 1);
-		if (node->allocated) {
+		if (drm_mm_node_allocated(node)) {
 			pr_err("node before start: node=%llx+%llu, start=%llx\n",
 			       node->start, node->size, start);
 			return false;
@@ -863,7 +863,7 @@ static bool assert_contiguous_in_range(struct drm_mm *mm,
 
 	if (end < U64_MAX) {
 		node = __drm_mm_interval_first(mm, end, U64_MAX);
-		if (node->allocated) {
+		if (drm_mm_node_allocated(node)) {
 			pr_err("node after end: node=%llx+%llu, end=%llx\n",
 			       node->start, node->size, end);
 			return false;
@@ -1156,12 +1156,12 @@ static void show_holes(const struct drm_mm *mm, int count)
 		struct drm_mm_node *next = list_next_entry(hole, node_list);
 		const char *node1 = NULL, *node2 = NULL;
 
-		if (hole->allocated)
+		if (drm_mm_node_allocated(hole))
 			node1 = kasprintf(GFP_KERNEL,
 					  "[%llx + %lld, color=%ld], ",
 					  hole->start, hole->size, hole->color);
 
-		if (next->allocated)
+		if (drm_mm_node_allocated(next))
 			node2 = kasprintf(GFP_KERNEL,
 					  ", [%llx + %lld, color=%ld]",
 					  next->start, next->size, next->color);
@@ -1900,18 +1900,18 @@ static void separate_adjacent_colors(const struct drm_mm_node *node,
 				     u64 *start,
 				     u64 *end)
 {
-	if (node->allocated && node->color != color)
+	if (drm_mm_node_allocated(node) && node->color != color)
 		++*start;
 
 	node = list_next_entry(node, node_list);
-	if (node->allocated && node->color != color)
+	if (drm_mm_node_allocated(node) && node->color != color)
 		--*end;
 }
 
 static bool colors_abutt(const struct drm_mm_node *node)
 {
 	if (!drm_mm_hole_follows(node) &&
-	    list_next_entry(node, node_list)->allocated) {
+	    drm_mm_node_allocated(list_next_entry(node, node_list))) {
 		pr_err("colors abutt; %ld [%llx + %llx] is next to %ld [%llx + %llx]!\n",
 		       node->color, node->start, node->size,
 		       list_next_entry(node, node_list)->color,
diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c
index f1f0a7c87771..b00e20f5ce05 100644
--- a/drivers/gpu/drm/vc4/vc4_crtc.c
+++ b/drivers/gpu/drm/vc4/vc4_crtc.c
@@ -994,7 +994,7 @@ static void vc4_crtc_destroy_state(struct drm_crtc *crtc,
 	struct vc4_dev *vc4 = to_vc4_dev(crtc->dev);
 	struct vc4_crtc_state *vc4_state = to_vc4_crtc_state(state);
 
-	if (vc4_state->mm.allocated) {
+	if (drm_mm_node_allocated(&vc4_state->mm)) {
 		unsigned long flags;
 
 		spin_lock_irqsave(&vc4->hvs->mm_lock, flags);
diff --git a/drivers/gpu/drm/vc4/vc4_hvs.c b/drivers/gpu/drm/vc4/vc4_hvs.c
index 9936b15d0bf1..5a43659da319 100644
--- a/drivers/gpu/drm/vc4/vc4_hvs.c
+++ b/drivers/gpu/drm/vc4/vc4_hvs.c
@@ -315,7 +315,7 @@ static void vc4_hvs_unbind(struct device *dev, struct device *master,
 	struct drm_device *drm = dev_get_drvdata(master);
 	struct vc4_dev *vc4 = drm->dev_private;
 
-	if (vc4->hvs->mitchell_netravali_filter.allocated)
+	if (drm_mm_node_allocated(&vc4->hvs->mitchell_netravali_filter))
 		drm_mm_remove_node(&vc4->hvs->mitchell_netravali_filter);
 
 	drm_mm_takedown(&vc4->hvs->dlist_mm);
diff --git a/drivers/gpu/drm/vc4/vc4_plane.c b/drivers/gpu/drm/vc4/vc4_plane.c
index 5e5f90810aca..4934127f0d76 100644
--- a/drivers/gpu/drm/vc4/vc4_plane.c
+++ b/drivers/gpu/drm/vc4/vc4_plane.c
@@ -178,7 +178,7 @@ static void vc4_plane_destroy_state(struct drm_plane *plane,
 	struct vc4_dev *vc4 = to_vc4_dev(plane->dev);
 	struct vc4_plane_state *vc4_state = to_vc4_plane_state(state);
 
-	if (vc4_state->lbm.allocated) {
+	if (drm_mm_node_allocated(&vc4_state->lbm)) {
 		unsigned long irqflags;
 
 		spin_lock_irqsave(&vc4->hvs->mm_lock, irqflags);
@@ -557,7 +557,7 @@ static int vc4_plane_allocate_lbm(struct drm_plane_state *state)
 	/* Allocate the LBM memory that the HVS will use for temporary
 	 * storage due to our scaling/format conversion.
 	 */
-	if (!vc4_state->lbm.allocated) {
+	if (!drm_mm_node_allocated(&vc4_state->lbm)) {
 		int ret;
 
 		spin_lock_irqsave(&vc4->hvs->mm_lock, irqflags);
-- 
cgit