linux/drivers/gpu/drm/amd/display/dc/hubbub/dcn32/dcn32_hubbub.c

/*
 * Copyright 2021 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 "dcn30/dcn30_hubbub.h"
#include "dcn32_hubbub.h"
#include "dm_services.h"
#include "reg_helper.h"


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

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

/**
 * DCN32_CRB_SEGMENT_SIZE_KB: Maximum Configurable Return Buffer size for
 *                            DCN32
 */
#define DCN32_CRB_SEGMENT_SIZE_KB …

static void dcn32_init_crb(struct hubbub *hubbub)
{ … }

void hubbub32_set_request_limit(struct hubbub *hubbub, int memory_channel_count, int words_per_channel)
{ … }


void dcn32_program_det_size(struct hubbub *hubbub, int hubp_inst, unsigned int det_buffer_size_in_kbyte)
{ … }

void dcn32_program_compbuf_size(struct hubbub *hubbub, unsigned int compbuf_size_kb, bool safe_to_increase)
{ … }

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

bool hubbub32_program_urgent_watermarks(
		struct hubbub *hubbub,
		union dcn_watermark_set *watermarks,
		unsigned int refclk_mhz,
		bool safe_to_lower)
{ … }

bool hubbub32_program_stutter_watermarks(
		struct hubbub *hubbub,
		union dcn_watermark_set *watermarks,
		unsigned int refclk_mhz,
		bool safe_to_lower)
{ … }


bool hubbub32_program_pstate_watermarks(
		struct hubbub *hubbub,
		union dcn_watermark_set *watermarks,
		unsigned int refclk_mhz,
		bool safe_to_lower)
{ … }


bool hubbub32_program_usr_watermarks(
		struct hubbub *hubbub,
		union dcn_watermark_set *watermarks,
		unsigned int refclk_mhz,
		bool safe_to_lower)
{ … }

void hubbub32_force_usr_retraining_allow(struct hubbub *hubbub, bool allow)
{ … }

static bool hubbub32_program_watermarks(
		struct hubbub *hubbub,
		union dcn_watermark_set *watermarks,
		unsigned int refclk_mhz,
		bool safe_to_lower)
{ … }

/* Copy values from WM set A to all other sets */
static void hubbub32_init_watermarks(struct hubbub *hubbub)
{ … }

static void hubbub32_wm_read_state(struct hubbub *hubbub,
		struct dcn_hubbub_wm *wm)
{ … }

void hubbub32_force_wm_propagate_to_pipes(struct hubbub *hubbub)
{ … }

void hubbub32_get_mall_en(struct hubbub *hubbub, unsigned int *mall_in_use)
{ … }

void hubbub32_init(struct hubbub *hubbub)
{ … }

static const struct hubbub_funcs hubbub32_funcs = …;

void hubbub32_construct(struct dcn20_hubbub *hubbub2,
	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,
	int det_size_kb,
	int pixel_chunk_size_kb,
	int config_return_buffer_size_kb)
{ … }