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/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2019 Intel Corporation
*/
#ifndef __INTEL_BW_H__
#define __INTEL_BW_H__
#include <drm/drm_atomic.h>
#include "intel_display_limits.h"
#include "intel_display_power.h"
#include "intel_global_state.h"
struct drm_i915_private;
struct intel_atomic_state;
struct intel_crtc_state;
struct intel_dbuf_bw {
unsigned int max_bw[I915_MAX_DBUF_SLICES];
u8 active_planes[I915_MAX_DBUF_SLICES];
};
struct intel_bw_state {
struct intel_global_state base;
struct intel_dbuf_bw dbuf_bw[I915_MAX_PIPES];
/*
* Contains a bit mask, used to determine, whether correspondent
* pipe allows SAGV or not.
*/
u8 pipe_sagv_reject;
/* bitmask of active pipes */
u8 active_pipes;
/*
* From MTL onwards, to lock a QGV point, punit expects the peak BW of
* the selected QGV point as the parameter in multiples of 100MB/s
*/
u16 qgv_point_peakbw;
/*
* Current QGV points mask, which restricts
* some particular SAGV states, not to confuse
* with pipe_sagv_mask.
*/
u16 qgv_points_mask;
int min_cdclk[I915_MAX_PIPES];
unsigned int data_rate[I915_MAX_PIPES];
u8 num_active_planes[I915_MAX_PIPES];
};
#define to_intel_bw_state(x) container_of((x), struct intel_bw_state, base)
struct intel_bw_state *
intel_atomic_get_old_bw_state(struct intel_atomic_state *state);
struct intel_bw_state *
intel_atomic_get_new_bw_state(struct intel_atomic_state *state);
struct intel_bw_state *
intel_atomic_get_bw_state(struct intel_atomic_state *state);
void intel_bw_init_hw(struct drm_i915_private *dev_priv);
int intel_bw_init(struct drm_i915_private *dev_priv);
int intel_bw_atomic_check(struct intel_atomic_state *state);
void intel_bw_crtc_update(struct intel_bw_state *bw_state,
const struct intel_crtc_state *crtc_state);
int icl_pcode_restrict_qgv_points(struct drm_i915_private *dev_priv,
u32 points_mask);
int intel_bw_calc_min_cdclk(struct intel_atomic_state *state,
bool *need_cdclk_calc);
int intel_bw_min_cdclk(struct drm_i915_private *i915,
const struct intel_bw_state *bw_state);
#endif /* __INTEL_BW_H__ */
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