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 u8 intel_rps_get_up_threshold(struct intel_rps *rps);
41 int intel_rps_set_up_threshold(struct intel_rps *rps, u8 threshold);
42 u8 intel_rps_get_down_threshold(struct intel_rps *rps);
43 int intel_rps_set_down_threshold(struct intel_rps *rps, u8 threshold);
44 u32 intel_rps_read_actual_frequency(struct intel_rps *rps);
45 u32 intel_rps_read_actual_frequency_fw(struct intel_rps *rps);
46 u32 intel_rps_get_requested_frequency(struct intel_rps *rps);
47 u32 intel_rps_get_min_frequency(struct intel_rps *rps);
48 u32 intel_rps_get_min_raw_freq(struct intel_rps *rps);
49 int intel_rps_set_min_frequency(struct intel_rps *rps, u32 val);
50 u32 intel_rps_get_max_frequency(struct intel_rps *rps);
51 u32 intel_rps_get_max_raw_freq(struct intel_rps *rps);
52 int intel_rps_set_max_frequency(struct intel_rps *rps, u32 val);
53 u32 intel_rps_get_rp0_frequency(struct intel_rps *rps);
54 u32 intel_rps_get_rp1_frequency(struct intel_rps *rps);
55 u32 intel_rps_get_rpn_frequency(struct intel_rps *rps);
56 u32 intel_rps_read_punit_req_frequency(struct intel_rps *rps);
57 u32 intel_rps_read_rpstat(struct intel_rps *rps);
58 void gen6_rps_get_freq_caps(struct intel_rps *rps, struct intel_rps_freq_caps *caps);
59 void intel_rps_raise_unslice(struct intel_rps *rps);
60 void intel_rps_lower_unslice(struct intel_rps *rps);
61
62 u32 intel_rps_read_throttle_reason(struct intel_rps *rps);
63 bool rps_read_mask_mmio(struct intel_rps *rps, i915_reg_t reg32, u32 mask);
64
65 void gen6_rps_frequency_dump(struct intel_rps *rps, struct drm_printer *p);
66
67 void gen5_rps_irq_handler(struct intel_rps *rps);
68 void gen6_rps_irq_handler(struct intel_rps *rps, u32 pm_iir);
69 void gen11_rps_irq_handler(struct intel_rps *rps, u32 pm_iir);
70
intel_rps_is_enabled(const struct intel_rps * rps)71 static inline bool intel_rps_is_enabled(const struct intel_rps *rps)
72 {
73 return test_bit(INTEL_RPS_ENABLED, &rps->flags);
74 }
75
intel_rps_set_enabled(struct intel_rps * rps)76 static inline void intel_rps_set_enabled(struct intel_rps *rps)
77 {
78 set_bit(INTEL_RPS_ENABLED, &rps->flags);
79 }
80
intel_rps_clear_enabled(struct intel_rps * rps)81 static inline void intel_rps_clear_enabled(struct intel_rps *rps)
82 {
83 clear_bit(INTEL_RPS_ENABLED, &rps->flags);
84 }
85
intel_rps_is_active(const struct intel_rps * rps)86 static inline bool intel_rps_is_active(const struct intel_rps *rps)
87 {
88 return test_bit(INTEL_RPS_ACTIVE, &rps->flags);
89 }
90
intel_rps_set_active(struct intel_rps * rps)91 static inline void intel_rps_set_active(struct intel_rps *rps)
92 {
93 set_bit(INTEL_RPS_ACTIVE, &rps->flags);
94 }
95
intel_rps_clear_active(struct intel_rps * rps)96 static inline bool intel_rps_clear_active(struct intel_rps *rps)
97 {
98 return test_and_clear_bit(INTEL_RPS_ACTIVE, &rps->flags);
99 }
100
intel_rps_has_interrupts(const struct intel_rps * rps)101 static inline bool intel_rps_has_interrupts(const struct intel_rps *rps)
102 {
103 return test_bit(INTEL_RPS_INTERRUPTS, &rps->flags);
104 }
105
intel_rps_set_interrupts(struct intel_rps * rps)106 static inline void intel_rps_set_interrupts(struct intel_rps *rps)
107 {
108 set_bit(INTEL_RPS_INTERRUPTS, &rps->flags);
109 }
110
intel_rps_clear_interrupts(struct intel_rps * rps)111 static inline void intel_rps_clear_interrupts(struct intel_rps *rps)
112 {
113 clear_bit(INTEL_RPS_INTERRUPTS, &rps->flags);
114 }
115
intel_rps_uses_timer(const struct intel_rps * rps)116 static inline bool intel_rps_uses_timer(const struct intel_rps *rps)
117 {
118 return test_bit(INTEL_RPS_TIMER, &rps->flags);
119 }
120
intel_rps_set_timer(struct intel_rps * rps)121 static inline void intel_rps_set_timer(struct intel_rps *rps)
122 {
123 set_bit(INTEL_RPS_TIMER, &rps->flags);
124 }
125
intel_rps_clear_timer(struct intel_rps * rps)126 static inline void intel_rps_clear_timer(struct intel_rps *rps)
127 {
128 clear_bit(INTEL_RPS_TIMER, &rps->flags);
129 }
130
131 #endif /* INTEL_RPS_H */
132