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_read_actual_frequency(struct intel_rps *rps); 41 u32 intel_rps_read_actual_frequency_fw(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_frequency(struct intel_rps *rps); 53 u32 intel_rps_read_rpstat(struct intel_rps *rps); 54 void gen6_rps_get_freq_caps(struct intel_rps *rps, struct intel_rps_freq_caps *caps); 55 void intel_rps_raise_unslice(struct intel_rps *rps); 56 void intel_rps_lower_unslice(struct intel_rps *rps); 57 58 u32 intel_rps_read_throttle_reason(struct intel_rps *rps); 59 bool rps_read_mask_mmio(struct intel_rps *rps, i915_reg_t reg32, u32 mask); 60 61 void gen6_rps_frequency_dump(struct intel_rps *rps, struct drm_printer *p); 62 63 void gen5_rps_irq_handler(struct intel_rps *rps); 64 void gen6_rps_irq_handler(struct intel_rps *rps, u32 pm_iir); 65 void gen11_rps_irq_handler(struct intel_rps *rps, u32 pm_iir); 66 67 static inline bool intel_rps_is_enabled(const struct intel_rps *rps) 68 { 69 return test_bit(INTEL_RPS_ENABLED, &rps->flags); 70 } 71 72 static inline void intel_rps_set_enabled(struct intel_rps *rps) 73 { 74 set_bit(INTEL_RPS_ENABLED, &rps->flags); 75 } 76 77 static inline void intel_rps_clear_enabled(struct intel_rps *rps) 78 { 79 clear_bit(INTEL_RPS_ENABLED, &rps->flags); 80 } 81 82 static inline bool intel_rps_is_active(const struct intel_rps *rps) 83 { 84 return test_bit(INTEL_RPS_ACTIVE, &rps->flags); 85 } 86 87 static inline void intel_rps_set_active(struct intel_rps *rps) 88 { 89 set_bit(INTEL_RPS_ACTIVE, &rps->flags); 90 } 91 92 static inline bool intel_rps_clear_active(struct intel_rps *rps) 93 { 94 return test_and_clear_bit(INTEL_RPS_ACTIVE, &rps->flags); 95 } 96 97 static inline bool intel_rps_has_interrupts(const struct intel_rps *rps) 98 { 99 return test_bit(INTEL_RPS_INTERRUPTS, &rps->flags); 100 } 101 102 static inline void intel_rps_set_interrupts(struct intel_rps *rps) 103 { 104 set_bit(INTEL_RPS_INTERRUPTS, &rps->flags); 105 } 106 107 static inline void intel_rps_clear_interrupts(struct intel_rps *rps) 108 { 109 clear_bit(INTEL_RPS_INTERRUPTS, &rps->flags); 110 } 111 112 static inline bool intel_rps_uses_timer(const struct intel_rps *rps) 113 { 114 return test_bit(INTEL_RPS_TIMER, &rps->flags); 115 } 116 117 static inline void intel_rps_set_timer(struct intel_rps *rps) 118 { 119 set_bit(INTEL_RPS_TIMER, &rps->flags); 120 } 121 122 static inline void intel_rps_clear_timer(struct intel_rps *rps) 123 { 124 clear_bit(INTEL_RPS_TIMER, &rps->flags); 125 } 126 127 #endif /* INTEL_RPS_H */ 128