Contributors: 3
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Tvrtko A. Ursulin |
155 |
71.43% |
1 |
25.00% |
| Chris Wilson |
39 |
17.97% |
2 |
50.00% |
| Michal Wajdeczko |
23 |
10.60% |
1 |
25.00% |
| Total |
217 |
|
4 |
|
/*
* SPDX-License-Identifier: MIT
*
* Copyright © 2018 Intel Corporation
*/
#include "igt_reset.h"
#include "gt/intel_engine.h"
#include "gt/intel_gt.h"
#include "../i915_drv.h"
void igt_global_reset_lock(struct intel_gt *gt)
{
struct intel_engine_cs *engine;
enum intel_engine_id id;
pr_debug("%s: current gpu_error=%08lx\n", __func__, gt->reset.flags);
while (test_and_set_bit(I915_RESET_BACKOFF, >->reset.flags))
wait_event(gt->reset.queue,
!test_bit(I915_RESET_BACKOFF, >->reset.flags));
for_each_engine(engine, gt->i915, id) {
while (test_and_set_bit(I915_RESET_ENGINE + id,
>->reset.flags))
wait_on_bit(>->reset.flags, I915_RESET_ENGINE + id,
TASK_UNINTERRUPTIBLE);
}
}
void igt_global_reset_unlock(struct intel_gt *gt)
{
struct intel_engine_cs *engine;
enum intel_engine_id id;
for_each_engine(engine, gt->i915, id)
clear_bit(I915_RESET_ENGINE + id, >->reset.flags);
clear_bit(I915_RESET_BACKOFF, >->reset.flags);
wake_up_all(>->reset.queue);
}
bool igt_force_reset(struct intel_gt *gt)
{
intel_gt_set_wedged(gt);
intel_gt_reset(gt, 0, NULL);
return !intel_gt_is_wedged(gt);
}