linux-zen-server/drivers/gpu/drm/i915/selftests/igt_atomic.c

48 lines
750 B
C

// SPDX-License-Identifier: MIT
/*
* Copyright © 2018 Intel Corporation
*/
#include <linux/preempt.h>
#include <linux/bottom_half.h>
#include <linux/irqflags.h>
#include "igt_atomic.h"
static void __preempt_begin(void)
{
preempt_disable();
}
static void __preempt_end(void)
{
preempt_enable();
}
static void __softirq_begin(void)
{
local_bh_disable();
}
static void __softirq_end(void)
{
local_bh_enable();
}
static void __hardirq_begin(void)
{
local_irq_disable();
}
static void __hardirq_end(void)
{
local_irq_enable();
}
const struct igt_atomic_section igt_atomic_phases[] = {
{ "preempt", __preempt_begin, __preempt_end },
{ "softirq", __softirq_begin, __softirq_end },
{ "hardirq", __hardirq_begin, __hardirq_end },
{ }
};