Release 4.15 drivers/gpu/drm/i915/selftests/lib_sw_fence.c
/*
* Copyright © 2017 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
*/
#include "lib_sw_fence.h"
/* Small library of different fence types useful for writing tests */
static int __i915_sw_fence_call
nop_fence_notify(struct i915_sw_fence *fence, enum i915_sw_fence_notify state)
{
return NOTIFY_DONE;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Wilson | 19 | 100.00% | 1 | 100.00% |
| Total | 19 | 100.00% | 1 | 100.00% |
void __onstack_fence_init(struct i915_sw_fence *fence,
const char *name,
struct lock_class_key *key)
{
debug_fence_init_onstack(fence);
__init_waitqueue_head(&fence->wait, name, key);
atomic_set(&fence->pending, 1);
fence->flags = (unsigned long)nop_fence_notify;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Wilson | 57 | 100.00% | 1 | 100.00% |
| Total | 57 | 100.00% | 1 | 100.00% |
void onstack_fence_fini(struct i915_sw_fence *fence)
{
i915_sw_fence_commit(fence);
i915_sw_fence_fini(fence);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Wilson | 20 | 100.00% | 1 | 100.00% |
| Total | 20 | 100.00% | 1 | 100.00% |
static void timed_fence_wake(struct timer_list *t)
{
struct timed_fence *tf = from_timer(tf, t, timer);
i915_sw_fence_commit(&tf->fence);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Wilson | 21 | 63.64% | 1 | 50.00% |
| Kees Cook | 12 | 36.36% | 1 | 50.00% |
| Total | 33 | 100.00% | 2 | 100.00% |
void timed_fence_init(struct timed_fence *tf, unsigned long expires)
{
onstack_fence_init(&tf->fence);
timer_setup_on_stack(&tf->timer, timed_fence_wake, 0);
if (time_after(expires, jiffies))
mod_timer(&tf->timer, expires);
else
i915_sw_fence_commit(&tf->fence);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Wilson | 60 | 96.77% | 1 | 50.00% |
| Kees Cook | 2 | 3.23% | 1 | 50.00% |
| Total | 62 | 100.00% | 2 | 100.00% |
void timed_fence_fini(struct timed_fence *tf)
{
if (del_timer_sync(&tf->timer))
i915_sw_fence_commit(&tf->fence);
destroy_timer_on_stack(&tf->timer);
i915_sw_fence_fini(&tf->fence);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Wilson | 44 | 100.00% | 1 | 100.00% |
| Total | 44 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Wilson | 226 | 94.17% | 1 | 50.00% |
| Kees Cook | 14 | 5.83% | 1 | 50.00% |
| Total | 240 | 100.00% | 2 | 100.00% |
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