linux/drivers/gpu/drm/amd/display/dc/hubbub/dcn30/dcn30_hubbub.c

/*
 * Copyright 2020 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 "dm_services.h"
#include "reg_helper.h"
#include "dcn30_hubbub.h"


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

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

#ifdef NUM_VMID
#undef NUM_VMID
#endif
#define NUM_VMID …


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

int hubbub3_init_dchub_sys_ctx(struct hubbub *hubbub,
		struct dcn_hubbub_phys_addr_config *pa_config)
{ … }

bool hubbub3_program_watermarks(
		struct hubbub *hubbub,
		union dcn_watermark_set *watermarks,
		unsigned int refclk_mhz,
		bool safe_to_lower)
{ … }

bool hubbub3_dcc_support_swizzle(
		enum swizzle_mode_values swizzle,
		unsigned int bytes_per_element,
		enum segment_order *segment_order_horz,
		enum segment_order *segment_order_vert)
{ … }

static void hubbub3_get_blk256_size(unsigned int *blk256_width, unsigned int *blk256_height,
		unsigned int bytes_per_element)
{ … }

static void hubbub3_det_request_size(
		unsigned int detile_buf_size,
		unsigned int height,
		unsigned int width,
		unsigned int bpe,
		bool *req128_horz_wc,
		bool *req128_vert_wc)
{ … }

bool hubbub3_get_dcc_compression_cap(struct hubbub *hubbub,
		const struct dc_dcc_surface_param *input,
		struct dc_surface_dcc_cap *output)
{ … }

void hubbub3_force_wm_propagate_to_pipes(struct hubbub *hubbub)
{ … }

void hubbub3_force_pstate_change_control(struct hubbub *hubbub,
		bool force, bool allow)
{ … }

/* Copy values from WM set A to all other sets */
void hubbub3_init_watermarks(struct hubbub *hubbub)
{ … }

static const struct hubbub_funcs hubbub30_funcs = …;

void hubbub3_construct(struct dcn20_hubbub *hubbub3,
	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)
{ … }