[PATCH 6/6] drm/i915/ttm: restore min_page_size behaviour

[Matthew Auld]

We now have bo->page_alignment which perfectly describes what we need if
we have min page size restrictions for lmem. We can also drop the flag
here, since this is the default behaviour for all objects.

Signed-off-by: Matthew Auld <matthew.auld at intel.com>
Cc: Thomas Hellström <thomas.hellstrom at linux.intel.com>
---
 drivers/gpu/drm/i915/gem/i915_gem_ttm.c      | 3 +--
 drivers/gpu/drm/i915/intel_memory_region.h   | 3 +--
 drivers/gpu/drm/i915/intel_region_ttm.c      | 2 +-
 drivers/gpu/drm/i915/selftests/mock_region.c | 2 +-
 4 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
index 3f5624f36afc..eda6c258ea92 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
@@ -684,9 +684,8 @@ int __i915_gem_ttm_object_init(struct intel_memory_region *mem,
 	 */
 	obj->base.vma_node.driver_private = i915_gem_to_ttm(obj);
 	ret = ttm_bo_init(&i915->bdev, i915_gem_to_ttm(obj), size,
-			  bo_type, &i915_sys_placement, PAGE_SIZE,
+			  bo_type, &i915_sys_placement, mem->min_page_size,
 			  true, NULL, NULL, i915_ttm_bo_destroy);
-
 	if (!ret)
 		obj->ttm.created = true;
 
diff --git a/drivers/gpu/drm/i915/intel_memory_region.h b/drivers/gpu/drm/i915/intel_memory_region.h
index b04fb22726d9..2be8433d373a 100644
--- a/drivers/gpu/drm/i915/intel_memory_region.h
+++ b/drivers/gpu/drm/i915/intel_memory_region.h
@@ -40,8 +40,7 @@ enum intel_region_id {
 #define REGION_STOLEN_SMEM   BIT(INTEL_REGION_STOLEN_SMEM)
 #define REGION_STOLEN_LMEM   BIT(INTEL_REGION_STOLEN_LMEM)
 
-#define I915_ALLOC_MIN_PAGE_SIZE  BIT(0)
-#define I915_ALLOC_CONTIGUOUS     BIT(1)
+#define I915_ALLOC_CONTIGUOUS     BIT(0)
 
 #define for_each_memory_region(mr, i915, id) \
 	for (id = 0; id < ARRAY_SIZE((i915)->mm.regions); id++) \
diff --git a/drivers/gpu/drm/i915/intel_region_ttm.c b/drivers/gpu/drm/i915/intel_region_ttm.c
index 23af995f7b67..59fa78225852 100644
--- a/drivers/gpu/drm/i915/intel_region_ttm.c
+++ b/drivers/gpu/drm/i915/intel_region_ttm.c
@@ -153,7 +153,7 @@ intel_region_ttm_node_alloc(struct intel_memory_region *mem,
 	int ret;
 
 	mock_bo.base.size = size;
-	mock_bo.page_alignment = PAGE_SIZE;
+	mock_bo.page_alignment = mem->min_page_size;
 	place.flags = flags;
 
 	ret = man->func->alloc(man, &mock_bo, &place, &res);
diff --git a/drivers/gpu/drm/i915/selftests/mock_region.c b/drivers/gpu/drm/i915/selftests/mock_region.c
index d3e4e6573cb9..6ce0f9dacad7 100644
--- a/drivers/gpu/drm/i915/selftests/mock_region.c
+++ b/drivers/gpu/drm/i915/selftests/mock_region.c
@@ -28,7 +28,7 @@ static int mock_region_get_pages(struct drm_i915_gem_object *obj)
 	struct sg_table *pages;
 	int err;
 
-	flags = I915_ALLOC_MIN_PAGE_SIZE;
+	flags = 0;
 	if (obj->flags & I915_BO_ALLOC_CONTIGUOUS)
 		flags |= TTM_PL_FLAG_CONTIGUOUS;
 
-- 
2.26.3