Switch to bitmap_zalloc() to show clearly what we are allocating.
Besides that it returns pointer of bitmap type instead of opaque void *.

Signed-off-by: Andy Shevchenko <andriy.shevche...@linux.intel.com>
---
 drivers/gpu/drm/i915/i915_gem.c               | 2 +-
 drivers/gpu/drm/i915/i915_gem_fence_reg.c     | 3 +--
 drivers/gpu/drm/i915/i915_gem_tiling.c        | 6 +++---
 drivers/gpu/drm/i915/selftests/intel_uncore.c | 5 ++---
 4 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 6728ea5c71d4..0d96520cfdb3 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4410,7 +4410,7 @@ static void __i915_gem_free_objects(struct 
drm_i915_private *i915,
                drm_gem_object_release(&obj->base);
                i915_gem_info_remove_obj(i915, obj->base.size);
 
-               kfree(obj->bit_17);
+               bitmap_free(obj->bit_17);
                i915_gem_object_free(obj);
 
                GEM_BUG_ON(!atomic_read(&i915->mm.free_count));
diff --git a/drivers/gpu/drm/i915/i915_gem_fence_reg.c 
b/drivers/gpu/drm/i915/i915_gem_fence_reg.c
index e037e94792f3..1f880e5b79b0 100644
--- a/drivers/gpu/drm/i915/i915_gem_fence_reg.c
+++ b/drivers/gpu/drm/i915/i915_gem_fence_reg.c
@@ -790,8 +790,7 @@ i915_gem_object_save_bit_17_swizzle(struct 
drm_i915_gem_object *obj,
        int i;
 
        if (obj->bit_17 == NULL) {
-               obj->bit_17 = kcalloc(BITS_TO_LONGS(page_count),
-                                     sizeof(long), GFP_KERNEL);
+               obj->bit_17 = bitmap_zalloc(page_count, GFP_KERNEL);
                if (obj->bit_17 == NULL) {
                        DRM_ERROR("Failed to allocate memory for bit 17 "
                                  "record\n");
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c 
b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 16cc9ddbce34..a9b5329dae3b 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -301,11 +301,11 @@ i915_gem_object_set_tiling(struct drm_i915_gem_object 
*obj,
        /* Try to preallocate memory required to save swizzling on put-pages */
        if (i915_gem_object_needs_bit17_swizzle(obj)) {
                if (!obj->bit_17) {
-                       obj->bit_17 = kcalloc(BITS_TO_LONGS(obj->base.size >> 
PAGE_SHIFT),
-                                             sizeof(long), GFP_KERNEL);
+                       obj->bit_17 = bitmap_zalloc(obj->base.size >> 
PAGE_SHIFT,
+                                                   GFP_KERNEL);
                }
        } else {
-               kfree(obj->bit_17);
+               bitmap_free(obj->bit_17);
                obj->bit_17 = NULL;
        }
 
diff --git a/drivers/gpu/drm/i915/selftests/intel_uncore.c 
b/drivers/gpu/drm/i915/selftests/intel_uncore.c
index 81d9d31042a9..600167ebb303 100644
--- a/drivers/gpu/drm/i915/selftests/intel_uncore.c
+++ b/drivers/gpu/drm/i915/selftests/intel_uncore.c
@@ -137,8 +137,7 @@ static int intel_uncore_check_forcewake_domains(struct 
drm_i915_private *dev_pri
        if (!IS_ENABLED(CONFIG_DRM_I915_SELFTEST_BROKEN))
                return 0;
 
-       valid = kcalloc(BITS_TO_LONGS(FW_RANGE), sizeof(*valid),
-                       GFP_KERNEL);
+       valid = bitmap_zalloc(FW_RANGE, GFP_KERNEL);
        if (!valid)
                return -ENOMEM;
 
@@ -173,7 +172,7 @@ static int intel_uncore_check_forcewake_domains(struct 
drm_i915_private *dev_pri
                }
        }
 
-       kfree(valid);
+       bitmap_free(valid);
        return err;
 }
 
-- 
2.20.1

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