Simplifies allocations by using a flexible array member in this struct.
No need to free separately.

Signed-off-by: Rosen Penev <[email protected]>
---
 drivers/gpu/drm/i915/gt/intel_gtt.h   |  2 +-
 drivers/gpu/drm/i915/gt/intel_ppgtt.c | 15 +--------------
 2 files changed, 2 insertions(+), 15 deletions(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_gtt.h 
b/drivers/gpu/drm/i915/gt/intel_gtt.h
index f6f223090760..49b2d2d24fd8 100644
--- a/drivers/gpu/drm/i915/gt/intel_gtt.h
+++ b/drivers/gpu/drm/i915/gt/intel_gtt.h
@@ -187,7 +187,7 @@ struct i915_page_table {
 struct i915_page_directory {
        struct i915_page_table pt;
        spinlock_t lock;
-       void **entry;
+       void *entry[];
 };
 
 #define __px_choose_expr(x, type, expr, other) \
diff --git a/drivers/gpu/drm/i915/gt/intel_ppgtt.c 
b/drivers/gpu/drm/i915/gt/intel_ppgtt.c
index 72d8473a448b..20cc59a005c9 100644
--- a/drivers/gpu/drm/i915/gt/intel_ppgtt.c
+++ b/drivers/gpu/drm/i915/gt/intel_ppgtt.c
@@ -36,16 +36,10 @@ struct i915_page_directory *__alloc_pd(int count)
 {
        struct i915_page_directory *pd;
 
-       pd = kzalloc_obj(*pd, I915_GFP_ALLOW_FAIL);
+       pd = kzalloc_flex(*pd, entry, count, I915_GFP_ALLOW_FAIL);
        if (unlikely(!pd))
                return NULL;
 
-       pd->entry = kzalloc_objs(*pd->entry, count, I915_GFP_ALLOW_FAIL);
-       if (unlikely(!pd->entry)) {
-               kfree(pd);
-               return NULL;
-       }
-
        spin_lock_init(&pd->lock);
        return pd;
 }
@@ -60,7 +54,6 @@ struct i915_page_directory *alloc_pd(struct 
i915_address_space *vm)
 
        pd->pt.base = vm->alloc_pt_dma(vm, I915_GTT_PAGE_SIZE_4K);
        if (IS_ERR(pd->pt.base)) {
-               kfree(pd->entry);
                kfree(pd);
                return ERR_PTR(-ENOMEM);
        }
@@ -72,12 +65,6 @@ void free_px(struct i915_address_space *vm, struct 
i915_page_table *pt, int lvl)
 {
        BUILD_BUG_ON(offsetof(struct i915_page_directory, pt));
 
-       if (lvl) {
-               struct i915_page_directory *pd =
-                       container_of(pt, typeof(*pd), pt);
-               kfree(pd->entry);
-       }
-
        if (pt->base)
                i915_gem_object_put(pt->base);
 
-- 
2.54.0

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