mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-28 11:18:45 +07:00
393a0bd437
We only need to wait for jobs to be scheduled when the dependency is from the same scheduler. Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
101 lines
3.1 KiB
C
101 lines
3.1 KiB
C
/*
|
|
* Copyright 2015 Advanced Micro Devices, Inc.
|
|
*
|
|
* 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 <linux/kthread.h>
|
|
#include <linux/wait.h>
|
|
#include <linux/sched.h>
|
|
#include <drm/drmP.h>
|
|
#include "gpu_scheduler.h"
|
|
|
|
struct amd_sched_fence *amd_sched_fence_create(struct amd_sched_entity *s_entity, void *owner)
|
|
{
|
|
struct amd_sched_fence *fence = NULL;
|
|
unsigned seq;
|
|
|
|
fence = kmem_cache_zalloc(sched_fence_slab, GFP_KERNEL);
|
|
if (fence == NULL)
|
|
return NULL;
|
|
|
|
INIT_LIST_HEAD(&fence->scheduled_cb);
|
|
fence->owner = owner;
|
|
fence->sched = s_entity->sched;
|
|
spin_lock_init(&fence->lock);
|
|
|
|
seq = atomic_inc_return(&s_entity->fence_seq);
|
|
fence_init(&fence->base, &amd_sched_fence_ops, &fence->lock,
|
|
s_entity->fence_context, seq);
|
|
|
|
return fence;
|
|
}
|
|
|
|
void amd_sched_fence_signal(struct amd_sched_fence *fence)
|
|
{
|
|
int ret = fence_signal(&fence->base);
|
|
if (!ret)
|
|
FENCE_TRACE(&fence->base, "signaled from irq context\n");
|
|
else
|
|
FENCE_TRACE(&fence->base, "was already signaled\n");
|
|
}
|
|
|
|
void amd_sched_fence_scheduled(struct amd_sched_fence *s_fence)
|
|
{
|
|
struct fence_cb *cur, *tmp;
|
|
|
|
set_bit(AMD_SCHED_FENCE_SCHEDULED_BIT, &s_fence->base.flags);
|
|
list_for_each_entry_safe(cur, tmp, &s_fence->scheduled_cb, node) {
|
|
list_del_init(&cur->node);
|
|
cur->func(&s_fence->base, cur);
|
|
}
|
|
}
|
|
|
|
static const char *amd_sched_fence_get_driver_name(struct fence *fence)
|
|
{
|
|
return "amd_sched";
|
|
}
|
|
|
|
static const char *amd_sched_fence_get_timeline_name(struct fence *f)
|
|
{
|
|
struct amd_sched_fence *fence = to_amd_sched_fence(f);
|
|
return (const char *)fence->sched->name;
|
|
}
|
|
|
|
static bool amd_sched_fence_enable_signaling(struct fence *f)
|
|
{
|
|
return true;
|
|
}
|
|
|
|
static void amd_sched_fence_release(struct fence *f)
|
|
{
|
|
struct amd_sched_fence *fence = to_amd_sched_fence(f);
|
|
kmem_cache_free(sched_fence_slab, fence);
|
|
}
|
|
|
|
const struct fence_ops amd_sched_fence_ops = {
|
|
.get_driver_name = amd_sched_fence_get_driver_name,
|
|
.get_timeline_name = amd_sched_fence_get_timeline_name,
|
|
.enable_signaling = amd_sched_fence_enable_signaling,
|
|
.signaled = NULL,
|
|
.wait = fence_default_wait,
|
|
.release = amd_sched_fence_release,
|
|
};
|