1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright 2023 Advanced Micro Devices, Inc.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
22 *
23 * Authors: AMD
24 *
25 */
26
27#include "dcn35_mmhubbub.h"
28#include "reg_helper.h"
29
30#define REG(reg) \
31 ((const struct dcn35_mmhubbub_registers *)(mcif_wb30->mcif_wb_regs)) \
32 ->reg
33
34#define CTX mcif_wb30->base.ctx
35
36#undef FN
37#define FN(reg_name, field_name) \
38 ((const struct dcn35_mmhubbub_shift *)(mcif_wb30->mcif_wb_shift)) \
39 ->field_name, \
40 ((const struct dcn35_mmhubbub_mask *)(mcif_wb30->mcif_wb_mask)) \
41 ->field_name
42
43void dcn35_mmhubbub_construct(
44 struct dcn30_mmhubbub *mcif_wb30, struct dc_context *ctx,
45 const struct dcn35_mmhubbub_registers *mcif_wb_regs,
46 const struct dcn35_mmhubbub_shift *mcif_wb_shift,
47 const struct dcn35_mmhubbub_mask *mcif_wb_mask, int inst)
48{
49 dcn32_mmhubbub_construct(
50 mcif_wb30, ctx,
51 mcif_wb_regs: (const struct dcn30_mmhubbub_registers *)(mcif_wb_regs),
52 mcif_wb_shift: (const struct dcn30_mmhubbub_shift *)(mcif_wb_shift),
53 mcif_wb_mask: (const struct dcn30_mmhubbub_mask *)(mcif_wb_mask), inst);
54}
55
56void dcn35_mmhubbub_set_fgcg(struct dcn30_mmhubbub *mcif_wb30, bool enabled)
57{
58 REG_UPDATE(MMHUBBUB_CLOCK_CNTL, MMHUBBUB_FGCG_REP_DIS, !enabled);
59}
60

source code of linux/drivers/gpu/drm/amd/display/dc/dcn35/dcn35_mmhubbub.c