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

43 lines
886 B
C

/*
* SPDX-License-Identifier: MIT
*
* Copyright © 2018 Intel Corporation
*/
#include "gem/i915_gem_context.h"
#include "gt/intel_gt.h"
#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)
{
int ret = intel_gt_is_wedged(&i915->gt) ? -EIO : 0;
int repeat = !!(flags & I915_WAIT_LOCKED);
cond_resched();
do {
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();
intel_gt_set_wedged(&i915->gt);
repeat = 0;
ret = -EIO;
}
/* Ensure we also flush after wedging. */
if (flags & I915_WAIT_LOCKED)
i915_retire_requests(i915);
} while (repeat--);
return ret;
}