2 * This confidential and proprietary software may be used only as
3 * authorised by a licensing agreement from ARM Limited
4 * (C) COPYRIGHT 2012-2013 ARM Limited
6 * The entire notice above must be reproduced on all authorised
7 * copies and copies may only be made to the extent permitted
8 * by a licensing agreement from ARM Limited.
11 #include "mali_scheduler.h"
13 #include "mali_kernel_common.h"
16 mali_bool mali_scheduler_hints
[MALI_SCHEDULER_HINT_MAX
];
18 static _mali_osk_atomic_t mali_job_id_autonumber
;
19 static _mali_osk_atomic_t mali_job_cache_order_autonumber
;
21 static _mali_osk_wq_work_t
*pp_scheduler_wq_high_pri
= NULL
;
22 static _mali_osk_wq_work_t
*gp_scheduler_wq_high_pri
= NULL
;
24 static void mali_scheduler_wq_schedule_pp(void *arg
)
28 mali_pp_scheduler_schedule();
31 static void mali_scheduler_wq_schedule_gp(void *arg
)
35 mali_gp_scheduler_schedule();
38 _mali_osk_errcode_t
mali_scheduler_initialize(void)
40 if ( _MALI_OSK_ERR_OK
!= _mali_osk_atomic_init(&mali_job_id_autonumber
, 0)) {
41 MALI_DEBUG_PRINT(1, ("Initialization of atomic job id counter failed.\n"));
42 return _MALI_OSK_ERR_FAULT
;
45 if ( _MALI_OSK_ERR_OK
!= _mali_osk_atomic_init(&mali_job_cache_order_autonumber
, 0)) {
46 MALI_DEBUG_PRINT(1, ("Initialization of atomic job cache order counter failed.\n"));
47 _mali_osk_atomic_term(&mali_job_id_autonumber
);
48 return _MALI_OSK_ERR_FAULT
;
51 pp_scheduler_wq_high_pri
= _mali_osk_wq_create_work_high_pri(mali_scheduler_wq_schedule_pp
, NULL
);
52 if (NULL
== pp_scheduler_wq_high_pri
) {
53 _mali_osk_atomic_term(&mali_job_cache_order_autonumber
);
54 _mali_osk_atomic_term(&mali_job_id_autonumber
);
55 return _MALI_OSK_ERR_NOMEM
;
58 gp_scheduler_wq_high_pri
= _mali_osk_wq_create_work_high_pri(mali_scheduler_wq_schedule_gp
, NULL
);
59 if (NULL
== gp_scheduler_wq_high_pri
) {
60 _mali_osk_wq_delete_work(pp_scheduler_wq_high_pri
);
61 _mali_osk_atomic_term(&mali_job_cache_order_autonumber
);
62 _mali_osk_atomic_term(&mali_job_id_autonumber
);
63 return _MALI_OSK_ERR_NOMEM
;
66 return _MALI_OSK_ERR_OK
;
69 void mali_scheduler_terminate(void)
71 _mali_osk_wq_delete_work(gp_scheduler_wq_high_pri
);
72 _mali_osk_wq_delete_work(pp_scheduler_wq_high_pri
);
73 _mali_osk_atomic_term(&mali_job_cache_order_autonumber
);
74 _mali_osk_atomic_term(&mali_job_id_autonumber
);
77 u32
mali_scheduler_get_new_id(void)
79 u32 job_id
= _mali_osk_atomic_inc_return(&mali_job_id_autonumber
);
83 u32
mali_scheduler_get_new_cache_order(void)
85 u32 job_cache_order
= _mali_osk_atomic_inc_return(&mali_job_cache_order_autonumber
);
86 return job_cache_order
;
89 void mali_scheduler_schedule_from_mask(mali_scheduler_mask mask
, mali_bool deferred_schedule
)
91 if (MALI_SCHEDULER_MASK_GP
& mask
) {
92 /* GP needs scheduling. */
93 if (deferred_schedule
) {
94 /* Schedule GP deferred. */
95 _mali_osk_wq_schedule_work_high_pri(gp_scheduler_wq_high_pri
);
97 /* Schedule GP now. */
98 mali_gp_scheduler_schedule();
102 if (MALI_SCHEDULER_MASK_PP
& mask
) {
103 /* PP needs scheduling. */
104 if (deferred_schedule
) {
105 /* Schedule PP deferred. */
106 _mali_osk_wq_schedule_work_high_pri(pp_scheduler_wq_high_pri
);
108 /* Schedule PP now. */
109 mali_pp_scheduler_schedule();