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drm/scheduler: provide scheduler score externally

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Allow multiple schedulers to share the load balancing score.

This is useful when one engine has different hw rings.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-and-Tested-by: Leo Liu <leo.liu@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210204144405.2737-1-christian.koenig@amd.com
This commit is contained in:
Christian König
2021-02-02 12:40:01 +01:00
parent f4a84e165e
commit f2f12eb9c3
8 changed files with 22 additions and 21 deletions
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5
include/drm/gpu_scheduler.h
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@@ -297,7 +297,8 @@ struct drm_gpu_scheduler {
struct list_head pending_list;
spinlock_t job_list_lock;
int hang_limit;
atomic_t score;
atomic_t *score;
atomic_t _score;
bool ready;
bool free_guilty;
};
@@ -305,7 +306,7 @@ struct drm_gpu_scheduler {
int drm_sched_init(struct drm_gpu_scheduler *sched,
const struct drm_sched_backend_ops *ops,
uint32_t hw_submission, unsigned hang_limit, long timeout,
const char *name);
atomic_t *score, const char *name);
void drm_sched_fini(struct drm_gpu_scheduler *sched);
int drm_sched_job_init(struct drm_sched_job *job,