OpenCloudOS-Kernel/drivers/gpu/drm/i915/selftests/igt_flush_test.c

34 lines
786 B
C

/*
* SPDX-License-Identifier: MIT
*
* Copyright © 2018 Intel Corporation
*/
#include "../i915_drv.h"
#include "../i915_selftest.h"
#include "igt_flush_test.h"
int igt_flush_test(struct drm_i915_private *i915, unsigned int flags)
{
cond_resched();
if (flags & I915_WAIT_LOCKED &&
i915_gem_switch_to_kernel_context(i915)) {
pr_err("Failed to switch back to kernel context; declaring wedged\n");
i915_gem_set_wedged(i915);
}
if (i915_gem_wait_for_idle(i915, flags, HZ / 5) == -ETIME) {
pr_err("%pS timed out, cancelling all further testing.\n",
__builtin_return_address(0));
GEM_TRACE("%pS timed out.\n", __builtin_return_address(0));
GEM_TRACE_DUMP();
i915_gem_set_wedged(i915);
}
return i915_terminally_wedged(&i915->gpu_error) ? -EIO : 0;
}