67 lines · c
1/* SPDX-License-Identifier: MIT */2/*3 * Copyright © 2023 Intel Corporation4 */5 6#ifndef __INTEL_PMDEMAND_H__7#define __INTEL_PMDEMAND_H__8 9#include "intel_display_limits.h"10#include "intel_global_state.h"11 12struct drm_i915_private;13struct intel_atomic_state;14struct intel_crtc_state;15struct intel_encoder;16struct intel_plane_state;17 18struct pmdemand_params {19 u16 qclk_gv_bw;20 u8 voltage_index;21 u8 qclk_gv_index;22 u8 active_pipes;23 u8 active_dbufs;24 /* Total number of non type C active phys from active_phys_mask */25 u8 active_phys;26 u8 plls;27 u16 cdclk_freq_mhz;28 /* max from ddi_clocks[] */29 u16 ddiclk_max;30 u8 scalers;31};32 33struct intel_pmdemand_state {34 struct intel_global_state base;35 36 /* Maintain a persistent list of port clocks across all crtcs */37 int ddi_clocks[I915_MAX_PIPES];38 39 /* Maintain a persistent list of non type C phys mask */40 u16 active_combo_phys_mask;41 42 /* Parameters to be configured in the pmdemand registers */43 struct pmdemand_params params;44};45 46#define to_intel_pmdemand_state(global_state) \47 container_of_const((global_state), struct intel_pmdemand_state, base)48 49void intel_pmdemand_init_early(struct drm_i915_private *i915);50int intel_pmdemand_init(struct drm_i915_private *i915);51void intel_pmdemand_init_pmdemand_params(struct drm_i915_private *i915,52 struct intel_pmdemand_state *pmdemand_state);53void intel_pmdemand_update_port_clock(struct drm_i915_private *i915,54 struct intel_pmdemand_state *pmdemand_state,55 enum pipe pipe, int port_clock);56void intel_pmdemand_update_phys_mask(struct drm_i915_private *i915,57 struct intel_encoder *encoder,58 struct intel_pmdemand_state *pmdemand_state,59 bool clear_bit);60void intel_pmdemand_program_dbuf(struct drm_i915_private *i915,61 u8 dbuf_slices);62void intel_pmdemand_pre_plane_update(struct intel_atomic_state *state);63void intel_pmdemand_post_plane_update(struct intel_atomic_state *state);64int intel_pmdemand_atomic_check(struct intel_atomic_state *state);65 66#endif /* __INTEL_PMDEMAND_H__ */67