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
12struct i915_request;
13struct drm_printer;
14
15#define GT_FREQUENCY_MULTIPLIER 50
16#define GEN9_FREQ_SCALER 3
17
18void intel_rps_init_early(struct intel_rps *rps);
19void intel_rps_init(struct intel_rps *rps);
20void intel_rps_sanitize(struct intel_rps *rps);
21
22void intel_rps_driver_register(struct intel_rps *rps);
23void intel_rps_driver_unregister(struct intel_rps *rps);
24
25void intel_rps_enable(struct intel_rps *rps);
26void intel_rps_disable(struct intel_rps *rps);
27
28void intel_rps_park(struct intel_rps *rps);
29void intel_rps_unpark(struct intel_rps *rps);
30void intel_rps_boost(struct i915_request *rq);
31void intel_rps_dec_waiters(struct intel_rps *rps);
32u32 intel_rps_get_boost_frequency(struct intel_rps *rps);
33int intel_rps_set_boost_frequency(struct intel_rps *rps, u32 freq);
34
35int intel_rps_set(struct intel_rps *rps, u8 val);
36void intel_rps_mark_interactive(struct intel_rps *rps, bool interactive);
37
38int intel_gpu_freq(struct intel_rps *rps, int val);
39int intel_freq_opcode(struct intel_rps *rps, int val);
40u8 intel_rps_get_up_threshold(struct intel_rps *rps);
41int intel_rps_set_up_threshold(struct intel_rps *rps, u8 threshold);
42u8 intel_rps_get_down_threshold(struct intel_rps *rps);
43int intel_rps_set_down_threshold(struct intel_rps *rps, u8 threshold);
44u32 intel_rps_read_actual_frequency(struct intel_rps *rps);
45u32 intel_rps_read_actual_frequency_fw(struct intel_rps *rps);
46u32 intel_rps_get_requested_frequency(struct intel_rps *rps);
47u32 intel_rps_get_min_frequency(struct intel_rps *rps);
48u32 intel_rps_get_min_raw_freq(struct intel_rps *rps);
49int intel_rps_set_min_frequency(struct intel_rps *rps, u32 val);
50u32 intel_rps_get_max_frequency(struct intel_rps *rps);
51u32 intel_rps_get_max_raw_freq(struct intel_rps *rps);
52int intel_rps_set_max_frequency(struct intel_rps *rps, u32 val);
53u32 intel_rps_get_rp0_frequency(struct intel_rps *rps);
54u32 intel_rps_get_rp1_frequency(struct intel_rps *rps);
55u32 intel_rps_get_rpn_frequency(struct intel_rps *rps);
56u32 intel_rps_read_punit_req_frequency(struct intel_rps *rps);
57u32 intel_rps_read_rpstat(struct intel_rps *rps);
58void gen6_rps_get_freq_caps(struct intel_rps *rps, struct intel_rps_freq_caps *caps);
59void intel_rps_raise_unslice(struct intel_rps *rps);
60void intel_rps_lower_unslice(struct intel_rps *rps);
61
62u32 intel_rps_read_throttle_reason(struct intel_rps *rps);
63bool rps_read_mask_mmio(struct intel_rps *rps, i915_reg_t reg32, u32 mask);
64
65void gen6_rps_frequency_dump(struct intel_rps *rps, struct drm_printer *p);
66
67void gen5_rps_irq_handler(struct intel_rps *rps);
68void gen6_rps_irq_handler(struct intel_rps *rps, u32 pm_iir);
69void gen11_rps_irq_handler(struct intel_rps *rps, u32 pm_iir);
70
71static inline bool intel_rps_is_enabled(const struct intel_rps *rps)
72{
73 return test_bit(INTEL_RPS_ENABLED, &rps->flags);
74}
75
76static inline void intel_rps_set_enabled(struct intel_rps *rps)
77{
78 set_bit(nr: INTEL_RPS_ENABLED, addr: &rps->flags);
79}
80
81static inline void intel_rps_clear_enabled(struct intel_rps *rps)
82{
83 clear_bit(nr: INTEL_RPS_ENABLED, addr: &rps->flags);
84}
85
86static inline bool intel_rps_is_active(const struct intel_rps *rps)
87{
88 return test_bit(INTEL_RPS_ACTIVE, &rps->flags);
89}
90
91static inline void intel_rps_set_active(struct intel_rps *rps)
92{
93 set_bit(nr: INTEL_RPS_ACTIVE, addr: &rps->flags);
94}
95
96static inline bool intel_rps_clear_active(struct intel_rps *rps)
97{
98 return test_and_clear_bit(nr: INTEL_RPS_ACTIVE, addr: &rps->flags);
99}
100
101static inline bool intel_rps_has_interrupts(const struct intel_rps *rps)
102{
103 return test_bit(INTEL_RPS_INTERRUPTS, &rps->flags);
104}
105
106static inline void intel_rps_set_interrupts(struct intel_rps *rps)
107{
108 set_bit(nr: INTEL_RPS_INTERRUPTS, addr: &rps->flags);
109}
110
111static inline void intel_rps_clear_interrupts(struct intel_rps *rps)
112{
113 clear_bit(nr: INTEL_RPS_INTERRUPTS, addr: &rps->flags);
114}
115
116static inline bool intel_rps_uses_timer(const struct intel_rps *rps)
117{
118 return test_bit(INTEL_RPS_TIMER, &rps->flags);
119}
120
121static inline void intel_rps_set_timer(struct intel_rps *rps)
122{
123 set_bit(nr: INTEL_RPS_TIMER, addr: &rps->flags);
124}
125
126static inline void intel_rps_clear_timer(struct intel_rps *rps)
127{
128 clear_bit(nr: INTEL_RPS_TIMER, addr: &rps->flags);
129}
130
131#endif /* INTEL_RPS_H */
132

source code of linux/drivers/gpu/drm/i915/gt/intel_rps.h