linux/drivers/gpu/drm/amd/powerplay/vega20_ppt.c

/*
 * Copyright 2019 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.
 *
 */

#include "pp_debug.h"
#include <linux/firmware.h>
#include "amdgpu.h"
#include "amdgpu_smu.h"
#include "atomfirmware.h"
#include "amdgpu_atomfirmware.h"
#include "smu_v11_0.h"
#include "smu_v11_0_ppsmc.h"
#include "smu11_driver_if.h"
#include "soc15_common.h"
#include "atom.h"
#include "vega20_ppt.h"
#include "vega20_pptable.h"
#include "vega20_ppt.h"

static int vega20_store_powerplay_table(struct smu_context *smu)
{
	ATOM_Vega20_POWERPLAYTABLE *powerplay_table = NULL;
	struct smu_table_context *table_context = &smu->smu_table;

	if (!table_context->power_play_table)
		return -EINVAL;

	powerplay_table = table_context->power_play_table;

	memcpy(table_context->driver_pptable, &powerplay_table->smcPPTable,
	       sizeof(PPTable_t));

	return 0;
}

static int vega20_check_powerplay_table(struct smu_context *smu)
{
	ATOM_Vega20_POWERPLAYTABLE *powerplay_table = NULL;
	struct smu_table_context *table_context = &smu->smu_table;

	powerplay_table = table_context->power_play_table;

	if (powerplay_table->sHeader.format_revision < ATOM_VEGA20_TABLE_REVISION_VEGA20) {
		pr_err("Unsupported PPTable format!");
		return -EINVAL;
	}

	if (!powerplay_table->sHeader.structuresize) {
		pr_err("Invalid PowerPlay Table!");
		return -EINVAL;
	}

	return 0;
}

static const struct pptable_funcs vega20_ppt_funcs = {
	.store_powerplay_table = vega20_store_powerplay_table,
	.check_powerplay_table = vega20_check_powerplay_table,
};

void vega20_set_ppt_funcs(struct smu_context *smu)
{
	smu->ppt_funcs = &vega20_ppt_funcs;
}