| 1 | /* SPDX-License-Identifier: MIT */ |
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| 2 | /* |
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| 3 | * Copyright © 2023 Intel Corporation |
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| 4 | */ |
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| 5 | |
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| 6 | #ifndef __INTEL_PMDEMAND_H__ |
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| 7 | #define __INTEL_PMDEMAND_H__ |
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| 8 | |
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| 9 | #include "intel_display_limits.h" |
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| 10 | #include "intel_global_state.h" |
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| 11 | |
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| 12 | struct drm_i915_private; |
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| 13 | struct intel_atomic_state; |
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| 14 | struct intel_crtc_state; |
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| 15 | struct intel_encoder; |
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| 16 | struct intel_plane_state; |
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| 17 | |
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| 18 | struct pmdemand_params { |
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| 19 | u16 qclk_gv_bw; |
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| 20 | u8 voltage_index; |
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| 21 | u8 qclk_gv_index; |
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| 22 | u8 active_pipes; |
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| 23 | u8 active_dbufs; |
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| 24 | /* Total number of non type C active phys from active_phys_mask */ |
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| 25 | u8 active_phys; |
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| 26 | u8 plls; |
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| 27 | u16 cdclk_freq_mhz; |
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| 28 | /* max from ddi_clocks[] */ |
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| 29 | u16 ddiclk_max; |
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| 30 | u8 scalers; |
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| 31 | }; |
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| 32 | |
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| 33 | struct intel_pmdemand_state { |
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| 34 | struct intel_global_state base; |
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| 35 | |
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| 36 | /* Maintain a persistent list of port clocks across all crtcs */ |
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| 37 | int ddi_clocks[I915_MAX_PIPES]; |
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| 38 | |
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| 39 | /* Maintain a persistent list of non type C phys mask */ |
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| 40 | u16 active_combo_phys_mask; |
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| 41 | |
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| 42 | /* Parameters to be configured in the pmdemand registers */ |
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| 43 | struct pmdemand_params params; |
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| 44 | }; |
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| 45 | |
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| 46 | #define to_intel_pmdemand_state(x) container_of((x), \ |
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| 47 | struct intel_pmdemand_state, \ |
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| 48 | base) |
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| 49 | |
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| 50 | void intel_pmdemand_init_early(struct drm_i915_private *i915); |
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| 51 | int intel_pmdemand_init(struct drm_i915_private *i915); |
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| 52 | void intel_pmdemand_init_pmdemand_params(struct drm_i915_private *i915, |
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| 53 | struct intel_pmdemand_state *pmdemand_state); |
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| 54 | void intel_pmdemand_update_port_clock(struct drm_i915_private *i915, |
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| 55 | struct intel_pmdemand_state *pmdemand_state, |
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| 56 | enum pipe pipe, int port_clock); |
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| 57 | void intel_pmdemand_update_phys_mask(struct drm_i915_private *i915, |
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| 58 | struct intel_encoder *encoder, |
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| 59 | struct intel_pmdemand_state *pmdemand_state, |
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| 60 | bool clear_bit); |
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| 61 | void intel_pmdemand_program_dbuf(struct drm_i915_private *i915, |
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| 62 | u8 dbuf_slices); |
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| 63 | void intel_pmdemand_pre_plane_update(struct intel_atomic_state *state); |
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| 64 | void intel_pmdemand_post_plane_update(struct intel_atomic_state *state); |
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| 65 | int intel_pmdemand_atomic_check(struct intel_atomic_state *state); |
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| 66 | |
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| 67 | #endif /* __INTEL_PMDEMAND_H__ */ |
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| 68 | |
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