Files
cubelinux-kernel/drivers/gpu/drm/i915/display/skl_prefill.h
T
Greg Kroah-Hartman 598cf27219 Linux 6.19.3
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org
Tested-by: Florian Fainelli <florian.fainelli@broadcom.com>
Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com>
Tested-by: Peter Schneider <pschneider1968@googlemail.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Salvatore Bonaccorso <carnil@debian.org>
Tested-by: Brett A C Sheffield <bacs@librecast.net>
Tested-by: Mark Brown <broonie@kernel.org>
Tested-by: Luna Jernberg <droidbittin@gmail.com>
Tested-by: Ronald Warsow <rwarsow@gmx.de>
Tested-by: Justin M. Forbes <jforbes@fedoraproject.org>
Tested-by: Ron Economos <re@w6rz.net>
Tested-by: Miguel Ojeda <ojeda@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2026-02-19 16:33:27 +01:00

47 lines
1.1 KiB
C

/* 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__ */