linux/drivers/gpu/drm/amd/display/dc/hubbub/dcn21/dcn21_hubbub.c

/*
* Copyright 2018 Advanced Micro Devices, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: AMD
 *
 */
#include <linux/delay.h>
#include "dm_services.h"
#include "dcn20/dcn20_hubbub.h"
#include "dcn21_hubbub.h"
#include "reg_helper.h"

#define REG(reg) …
#define DC_LOGGER …
#define CTX …

#undef FN
#define FN(reg_name, field_name) …

#define REG(reg) …

#define CTX …

#undef FN
#define FN(reg_name, field_name) …

static uint32_t convert_and_clamp(
	uint32_t wm_ns,
	uint32_t refclk_mhz,
	uint32_t clamp_value)
{ … }

void dcn21_dchvm_init(struct hubbub *hubbub)
{ … }

int hubbub21_init_dchub(struct hubbub *hubbub,
		struct dcn_hubbub_phys_addr_config *pa_config)
{ … }

bool hubbub21_program_urgent_watermarks(
		struct hubbub *hubbub,
		union dcn_watermark_set *watermarks,
		unsigned int refclk_mhz,
		bool safe_to_lower)
{ … }

bool hubbub21_program_stutter_watermarks(
		struct hubbub *hubbub,
		union dcn_watermark_set *watermarks,
		unsigned int refclk_mhz,
		bool safe_to_lower)
{ … }

bool hubbub21_program_pstate_watermarks(
		struct hubbub *hubbub,
		union dcn_watermark_set *watermarks,
		unsigned int refclk_mhz,
		bool safe_to_lower)
{ … }

bool hubbub21_program_watermarks(
		struct hubbub *hubbub,
		union dcn_watermark_set *watermarks,
		unsigned int refclk_mhz,
		bool safe_to_lower)
{ … }

void hubbub21_wm_read_state(struct hubbub *hubbub,
		struct dcn_hubbub_wm *wm)
{ … }

static void hubbub21_apply_DEDCN21_147_wa(struct hubbub *hubbub)
{ … }

static const struct hubbub_funcs hubbub21_funcs = …;

void hubbub21_construct(struct dcn20_hubbub *hubbub,
	struct dc_context *ctx,
	const struct dcn_hubbub_registers *hubbub_regs,
	const struct dcn_hubbub_shift *hubbub_shift,
	const struct dcn_hubbub_mask *hubbub_mask)
{ … }