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/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2025 Intel Corporation
*/
#ifndef __SKL_PREFILL_H__
#define __SKL_PREFILL_H__
#include <linux/types.h>
struct intel_crtc_state;
struct skl_prefill_ctx {
/* .16 scanlines */
struct {
unsigned int fixed;
unsigned int wm0;
unsigned int scaler_1st;
unsigned int scaler_2nd;
unsigned int dsc;
unsigned int full;
} prefill;
/* .16 adjustment factors */
struct {
unsigned int cdclk;
unsigned int scaler_1st;
unsigned int scaler_2nd;
} adj;
};
void skl_prefill_init_worst(struct skl_prefill_ctx *ctx,
const struct intel_crtc_state *crtc_state);
void skl_prefill_init(struct skl_prefill_ctx *ctx,
const struct intel_crtc_state *crtc_state);
bool skl_prefill_vblank_too_short(const struct skl_prefill_ctx *ctx,
const struct intel_crtc_state *crtc_state,
unsigned int latency_us);
int skl_prefill_min_guardband(const struct skl_prefill_ctx *ctx,
const struct intel_crtc_state *crtc_state,
unsigned int latency_us);
int skl_prefill_min_cdclk(const struct skl_prefill_ctx *ctx,
const struct intel_crtc_state *crtc_state);
#endif /* __SKL_PREFILL_H__ */
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