c41ee2873e
If submission is disabled by the backend for any reason, reset the GPU immediately in the heartbeat code as the backend can't be reenabled until the GPU is reset. Signed-off-by: Matthew Brost <matthew.brost@intel.com> Reviewed-by: John Harrison <John.C.Harrison@Intel.com> Signed-off-by: John Harrison <John.C.Harrison@Intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210727002348.97202-10-matthew.brost@intel.com
106 lines
2.7 KiB
C
106 lines
2.7 KiB
C
/*
|
|
* SPDX-License-Identifier: MIT
|
|
*
|
|
* Copyright © 2018 Intel Corporation
|
|
*/
|
|
|
|
#ifndef _I915_SCHEDULER_H_
|
|
#define _I915_SCHEDULER_H_
|
|
|
|
#include <linux/bitops.h>
|
|
#include <linux/list.h>
|
|
#include <linux/kernel.h>
|
|
|
|
#include "i915_scheduler_types.h"
|
|
|
|
struct drm_printer;
|
|
|
|
#define priolist_for_each_request(it, plist) \
|
|
list_for_each_entry(it, &(plist)->requests, sched.link)
|
|
|
|
#define priolist_for_each_request_consume(it, n, plist) \
|
|
list_for_each_entry_safe(it, n, &(plist)->requests, sched.link)
|
|
|
|
void i915_sched_node_init(struct i915_sched_node *node);
|
|
void i915_sched_node_reinit(struct i915_sched_node *node);
|
|
|
|
bool __i915_sched_node_add_dependency(struct i915_sched_node *node,
|
|
struct i915_sched_node *signal,
|
|
struct i915_dependency *dep,
|
|
unsigned long flags);
|
|
|
|
int i915_sched_node_add_dependency(struct i915_sched_node *node,
|
|
struct i915_sched_node *signal,
|
|
unsigned long flags);
|
|
|
|
void i915_sched_node_fini(struct i915_sched_node *node);
|
|
|
|
void i915_schedule(struct i915_request *request,
|
|
const struct i915_sched_attr *attr);
|
|
|
|
struct list_head *
|
|
i915_sched_lookup_priolist(struct i915_sched_engine *sched_engine, int prio);
|
|
|
|
void __i915_priolist_free(struct i915_priolist *p);
|
|
static inline void i915_priolist_free(struct i915_priolist *p)
|
|
{
|
|
if (p->priority != I915_PRIORITY_NORMAL)
|
|
__i915_priolist_free(p);
|
|
}
|
|
|
|
struct i915_sched_engine *
|
|
i915_sched_engine_create(unsigned int subclass);
|
|
|
|
static inline struct i915_sched_engine *
|
|
i915_sched_engine_get(struct i915_sched_engine *sched_engine)
|
|
{
|
|
kref_get(&sched_engine->ref);
|
|
return sched_engine;
|
|
}
|
|
|
|
static inline void
|
|
i915_sched_engine_put(struct i915_sched_engine *sched_engine)
|
|
{
|
|
kref_put(&sched_engine->ref, sched_engine->destroy);
|
|
}
|
|
|
|
static inline bool
|
|
i915_sched_engine_is_empty(struct i915_sched_engine *sched_engine)
|
|
{
|
|
return RB_EMPTY_ROOT(&sched_engine->queue.rb_root);
|
|
}
|
|
|
|
static inline void
|
|
i915_sched_engine_reset_on_empty(struct i915_sched_engine *sched_engine)
|
|
{
|
|
if (i915_sched_engine_is_empty(sched_engine))
|
|
sched_engine->no_priolist = false;
|
|
}
|
|
|
|
static inline void
|
|
i915_sched_engine_active_lock_bh(struct i915_sched_engine *sched_engine)
|
|
{
|
|
local_bh_disable(); /* prevent local softirq and lock recursion */
|
|
tasklet_lock(&sched_engine->tasklet);
|
|
}
|
|
|
|
static inline void
|
|
i915_sched_engine_active_unlock_bh(struct i915_sched_engine *sched_engine)
|
|
{
|
|
tasklet_unlock(&sched_engine->tasklet);
|
|
local_bh_enable(); /* restore softirq, and kick ksoftirqd! */
|
|
}
|
|
|
|
void i915_request_show_with_schedule(struct drm_printer *m,
|
|
const struct i915_request *rq,
|
|
const char *prefix,
|
|
int indent);
|
|
|
|
static inline bool
|
|
i915_sched_engine_disabled(struct i915_sched_engine *sched_engine)
|
|
{
|
|
return sched_engine->disabled(sched_engine);
|
|
}
|
|
|
|
#endif /* _I915_SCHEDULER_H_ */
|