1 /* SPDX-License-Identifier: MIT */
2 /*
3 * Copyright © 2019 Intel Corporation
4 */
5
6 #ifndef INTEL_RPS_H
7 #define INTEL_RPS_H
8
9 #include "intel_rps_types.h"
10 #include "i915_reg_defs.h"
11
12 struct i915_request;
13 struct drm_printer;
14
15 #define GT_FREQUENCY_MULTIPLIER 50
16 #define GEN9_FREQ_SCALER 3
17
18 void intel_rps_init_early(struct intel_rps *rps);
19 void intel_rps_init(struct intel_rps *rps);
20 void intel_rps_sanitize(struct intel_rps *rps);
21
22 void intel_rps_driver_register(struct intel_rps *rps);
23 void intel_rps_driver_unregister(struct intel_rps *rps);
24
25 void intel_rps_enable(struct intel_rps *rps);
26 void intel_rps_disable(struct intel_rps *rps);
27
28 void intel_rps_park(struct intel_rps *rps);
29 void intel_rps_unpark(struct intel_rps *rps);
30 void intel_rps_boost(struct i915_request *rq);
31 void intel_rps_dec_waiters(struct intel_rps *rps);
32 u32 intel_rps_get_boost_frequency(struct intel_rps *rps);
33 int intel_rps_set_boost_frequency(struct intel_rps *rps, u32 freq);
34
35 int intel_rps_set(struct intel_rps *rps, u8 val);
36 void intel_rps_mark_interactive(struct intel_rps *rps, bool interactive);
37
38 int intel_gpu_freq(struct intel_rps *rps, int val);
39 int intel_freq_opcode(struct intel_rps *rps, int val);
40 u32 intel_rps_get_cagf(struct intel_rps *rps, u32 rpstat1);
41 u32 intel_rps_read_actual_frequency(struct intel_rps *rps);
42 u32 intel_rps_get_requested_frequency(struct intel_rps *rps);
43 u32 intel_rps_get_min_frequency(struct intel_rps *rps);
44 u32 intel_rps_get_min_raw_freq(struct intel_rps *rps);
45 int intel_rps_set_min_frequency(struct intel_rps *rps, u32 val);
46 u32 intel_rps_get_max_frequency(struct intel_rps *rps);
47 u32 intel_rps_get_max_raw_freq(struct intel_rps *rps);
48 int intel_rps_set_max_frequency(struct intel_rps *rps, u32 val);
49 u32 intel_rps_get_rp0_frequency(struct intel_rps *rps);
50 u32 intel_rps_get_rp1_frequency(struct intel_rps *rps);
51 u32 intel_rps_get_rpn_frequency(struct intel_rps *rps);
52 u32 intel_rps_read_punit_req(struct intel_rps *rps);
53 u32 intel_rps_read_punit_req_frequency(struct intel_rps *rps);
54 u32 intel_rps_read_rpstat(struct intel_rps *rps);
55 u32 intel_rps_read_rpstat_fw(struct intel_rps *rps);
56 void gen6_rps_get_freq_caps(struct intel_rps *rps, struct intel_rps_freq_caps *caps);
57 void intel_rps_raise_unslice(struct intel_rps *rps);
58 void intel_rps_lower_unslice(struct intel_rps *rps);
59
60 u32 intel_rps_read_throttle_reason(struct intel_rps *rps);
61 bool rps_read_mask_mmio(struct intel_rps *rps, i915_reg_t reg32, u32 mask);
62
63 void gen6_rps_frequency_dump(struct intel_rps *rps, struct drm_printer *p);
64
65 void gen5_rps_irq_handler(struct intel_rps *rps);
66 void gen6_rps_irq_handler(struct intel_rps *rps, u32 pm_iir);
67 void gen11_rps_irq_handler(struct intel_rps *rps, u32 pm_iir);
68
intel_rps_is_enabled(const struct intel_rps * rps)69 static inline bool intel_rps_is_enabled(const struct intel_rps *rps)
70 {
71 return test_bit(INTEL_RPS_ENABLED, &rps->flags);
72 }
73
intel_rps_set_enabled(struct intel_rps * rps)74 static inline void intel_rps_set_enabled(struct intel_rps *rps)
75 {
76 set_bit(INTEL_RPS_ENABLED, &rps->flags);
77 }
78
intel_rps_clear_enabled(struct intel_rps * rps)79 static inline void intel_rps_clear_enabled(struct intel_rps *rps)
80 {
81 clear_bit(INTEL_RPS_ENABLED, &rps->flags);
82 }
83
intel_rps_is_active(const struct intel_rps * rps)84 static inline bool intel_rps_is_active(const struct intel_rps *rps)
85 {
86 return test_bit(INTEL_RPS_ACTIVE, &rps->flags);
87 }
88
intel_rps_set_active(struct intel_rps * rps)89 static inline void intel_rps_set_active(struct intel_rps *rps)
90 {
91 set_bit(INTEL_RPS_ACTIVE, &rps->flags);
92 }
93
intel_rps_clear_active(struct intel_rps * rps)94 static inline bool intel_rps_clear_active(struct intel_rps *rps)
95 {
96 return test_and_clear_bit(INTEL_RPS_ACTIVE, &rps->flags);
97 }
98
intel_rps_has_interrupts(const struct intel_rps * rps)99 static inline bool intel_rps_has_interrupts(const struct intel_rps *rps)
100 {
101 return test_bit(INTEL_RPS_INTERRUPTS, &rps->flags);
102 }
103
intel_rps_set_interrupts(struct intel_rps * rps)104 static inline void intel_rps_set_interrupts(struct intel_rps *rps)
105 {
106 set_bit(INTEL_RPS_INTERRUPTS, &rps->flags);
107 }
108
intel_rps_clear_interrupts(struct intel_rps * rps)109 static inline void intel_rps_clear_interrupts(struct intel_rps *rps)
110 {
111 clear_bit(INTEL_RPS_INTERRUPTS, &rps->flags);
112 }
113
intel_rps_uses_timer(const struct intel_rps * rps)114 static inline bool intel_rps_uses_timer(const struct intel_rps *rps)
115 {
116 return test_bit(INTEL_RPS_TIMER, &rps->flags);
117 }
118
intel_rps_set_timer(struct intel_rps * rps)119 static inline void intel_rps_set_timer(struct intel_rps *rps)
120 {
121 set_bit(INTEL_RPS_TIMER, &rps->flags);
122 }
123
intel_rps_clear_timer(struct intel_rps * rps)124 static inline void intel_rps_clear_timer(struct intel_rps *rps)
125 {
126 clear_bit(INTEL_RPS_TIMER, &rps->flags);
127 }
128
129 #endif /* INTEL_RPS_H */
130