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path: root/drivers/gpu/drm/i915/display/intel_bw.h
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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.h"
#include "intel_global_state.h"

struct drm_i915_private;
struct intel_atomic_state;
struct intel_crtc_state;

struct intel_bw_state {
	struct intel_global_state base;

	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);

#endif /* __INTEL_BW_H__ */