linux/drivers/gpu/drm/amd/display/dc/clk_mgr/dce120/dce120_clk_mgr.c

/*
 * Copyright 2012-16 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 "core_types.h"
#include "clk_mgr_internal.h"

#include "dce112/dce112_clk_mgr.h"
#include "dce110/dce110_clk_mgr.h"
#include "dce120_clk_mgr.h"
#include "dce100/dce_clk_mgr.h"
#include "dce120/dce120_hwseq.h"

static const struct state_dependent_clocks dce120_max_clks_by_state[] = …;

/**
 * dce121_clock_patch_xgmi_ss_info() - Save XGMI spread spectrum info
 * @clk_mgr_dce: clock manager internal structure
 *
 * Reads from VBIOS the XGMI spread spectrum info and saves it within
 * the dce clock manager. This operation will overwrite the existing dprefclk
 * SS values if the vBIOS query succeeds. Otherwise, it does nothing. It also
 * sets the ->xgmi_enabled flag.
 */
static void dce121_clock_patch_xgmi_ss_info(struct clk_mgr_internal *clk_mgr_dce)
{ … }

static void dce12_update_clocks(struct clk_mgr *clk_mgr_base,
			struct dc_state *context,
			bool safe_to_lower)
{ … }


static struct clk_mgr_funcs dce120_funcs = …;

void dce120_clk_mgr_construct(struct dc_context *ctx, struct clk_mgr_internal *clk_mgr)
{ … }

void dce121_clk_mgr_construct(struct dc_context *ctx, struct clk_mgr_internal *clk_mgr)
{ … }