drm/i915: Add missing include file <linux/math64.h>
Fix build error: ./drivers/gpu/drm/i915/selftests/i915_random.h: In function i915_prandom_u32_max_state: ./drivers/gpu/drm/i915/selftests/i915_random.h:48:23: error: implicit declaration of function mul_u32_u32; did you mean mul_u64_u32_div? [-Werror=implicit-function-declaration] return upper_32_bits(mul_u32_u32(prandom_u32_state(state), ep_ro)); Reported-by: Hulk Robot <hulkci@huawei.com> Fixes:7ce5b6850b
("drm/i915/selftests: Use mul_u32_u32() for 32b x 32b -> 64b result") Signed-off-by: YueHaibing <yuehaibing@huawei.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/20200107135014.36472-1-yuehaibing@huawei.com (cherry picked from commit62bf5465b2
) Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
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#ifndef __I915_SELFTESTS_RANDOM_H__
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#define __I915_SELFTESTS_RANDOM_H__
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#include <linux/math64.h>
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#include <linux/random.h>
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#include "../i915_selftest.h"
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