| 1 | /* SPDX-License-Identifier: MIT */ |
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| 2 | /* |
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| 3 | * Copyright © 2025 Intel Corporation |
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| 4 | */ |
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| 5 | |
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| 6 | #ifndef __SKL_PREFILL_H__ |
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| 7 | #define __SKL_PREFILL_H__ |
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| 8 | |
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| 9 | #include <linux/types.h> |
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| 10 | |
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| 11 | struct intel_crtc_state; |
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| 12 | |
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| 13 | struct skl_prefill_ctx { |
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| 14 | /* .16 scanlines */ |
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| 15 | struct { |
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| 16 | unsigned int fixed; |
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| 17 | unsigned int wm0; |
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| 18 | unsigned int scaler_1st; |
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| 19 | unsigned int scaler_2nd; |
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| 20 | unsigned int dsc; |
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| 21 | unsigned int full; |
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| 22 | } prefill; |
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| 23 | |
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| 24 | /* .16 adjustment factors */ |
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| 25 | struct { |
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| 26 | unsigned int cdclk; |
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| 27 | unsigned int scaler_1st; |
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| 28 | unsigned int scaler_2nd; |
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| 29 | } adj; |
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| 30 | }; |
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| 31 | |
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| 32 | void skl_prefill_init_worst(struct skl_prefill_ctx *ctx, |
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| 33 | const struct intel_crtc_state *crtc_state); |
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| 34 | void skl_prefill_init(struct skl_prefill_ctx *ctx, |
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| 35 | const struct intel_crtc_state *crtc_state); |
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| 36 | |
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| 37 | bool skl_prefill_vblank_too_short(const struct skl_prefill_ctx *ctx, |
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| 38 | const struct intel_crtc_state *crtc_state, |
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| 39 | unsigned int latency_us); |
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| 40 | int skl_prefill_min_guardband(const struct skl_prefill_ctx *ctx, |
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| 41 | const struct intel_crtc_state *crtc_state, |
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| 42 | unsigned int latency_us); |
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| 43 | int skl_prefill_min_cdclk(const struct skl_prefill_ctx *ctx, |
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| 44 | const struct intel_crtc_state *crtc_state); |
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| 45 | |
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| 46 | #endif /* __SKL_PREFILL_H__ */ |
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| 47 | |
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