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drm/i915: Switch to bitmap_zalloc()

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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.shevchenko@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190304092908.57382-2-andriy.shevchenko@linux.intel.com
This commit is contained in:
Andy Shevchenko 2019-03-04 11:29:08 +02:00 committed by Chris Wilson
parent 8cac9fd9bc
commit 6e514e3717
4 changed files with 7 additions and 9 deletions
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2
drivers/gpu/drm/i915/i915_gem.c
View File

@ -4195,7 +4195,7 @@ 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));

3
drivers/gpu/drm/i915/i915_gem_fence_reg.c
View File

@ -765,8 +765,7 @@ 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");

6
drivers/gpu/drm/i915/i915_gem_tiling.c
View File

@ -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;
}

5
drivers/gpu/drm/i915/selftests/intel_uncore.c
View File

@ -258,8 +258,7 @@ static int live_forcewake_domains(void *arg)
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;
@ -294,7 +293,7 @@ static int live_forcewake_domains(void *arg)
}
}
kfree(valid);
bitmap_free(valid);
return err;
}