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path: root/drivers/gpu/drm/i915/i915_scheduler.h
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_scheduler.h')
-rw-r--r--drivers/gpu/drm/i915/i915_scheduler.h78
1 files changed, 65 insertions, 13 deletions
diff --git a/drivers/gpu/drm/i915/i915_scheduler.h b/drivers/gpu/drm/i915/i915_scheduler.h
index 6f0bf00fc569..c229c91071d7 100644
--- a/drivers/gpu/drm/i915/i915_scheduler.h
+++ b/drivers/gpu/drm/i915/i915_scheduler.h
@@ -12,18 +12,15 @@
#include <linux/kernel.h>
#include "i915_scheduler_types.h"
+#include "i915_tasklet.h"
-#define priolist_for_each_request(it, plist, idx) \
- for (idx = 0; idx < ARRAY_SIZE((plist)->requests); idx++) \
- list_for_each_entry(it, &(plist)->requests[idx], sched.link)
+struct drm_printer;
-#define priolist_for_each_request_consume(it, n, plist, idx) \
- for (; \
- (plist)->used ? (idx = __ffs((plist)->used)), 1 : 0; \
- (plist)->used &= ~BIT(idx)) \
- list_for_each_entry_safe(it, n, \
- &(plist)->requests[idx], \
- sched.link)
+#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);
@@ -42,10 +39,8 @@ void i915_sched_node_fini(struct i915_sched_node *node);
void i915_schedule(struct i915_request *request,
const struct i915_sched_attr *attr);
-void i915_schedule_bump_priority(struct i915_request *rq, unsigned int bump);
-
struct list_head *
-i915_sched_lookup_priolist(struct intel_engine_cs *engine, int prio);
+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)
@@ -54,4 +49,61 @@ static inline void i915_priolist_free(struct i915_priolist *p)
__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);
+}
+
+void i915_scheduler_module_exit(void);
+int i915_scheduler_module_init(void);
+
#endif /* _I915_SCHEDULER_H_ */