xref: /linux/drivers/gpu/drm/amd/display/dc/dwb/dcn35/dcn35_dwb.c (revision 3a39d672e7f48b8d6b91a09afa4b55352773b4b5)
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  */
24 #include "reg_helper.h"
25 #include "dcn35_dwb.h"
26 
27 #define REG(reg)\
28 	dwbc30->dwbc_regs->reg
29 
30 #define CTX \
31 	dwbc30->base.ctx
32 
33 #undef FN
34 #define FN(reg_name, field_name)                                             \
35 	((const struct dcn35_dwbc_shift *)(dwbc30->dwbc_shift))->field_name, \
36 		((const struct dcn35_dwbc_mask *)(dwbc30->dwbc_mask))        \
37 			->field_name
38 
39 #define DC_LOGGER \
40 	dwbc30->base.ctx->logger
41 
dcn35_dwbc_construct(struct dcn30_dwbc * dwbc30,struct dc_context * ctx,const struct dcn30_dwbc_registers * dwbc_regs,const struct dcn35_dwbc_shift * dwbc_shift,const struct dcn35_dwbc_mask * dwbc_mask,int inst)42 void dcn35_dwbc_construct(struct dcn30_dwbc *dwbc30,
43 	struct dc_context *ctx,
44 	const struct dcn30_dwbc_registers *dwbc_regs,
45 	const struct dcn35_dwbc_shift *dwbc_shift,
46 	const struct dcn35_dwbc_mask *dwbc_mask,
47 	int inst)
48 {
49 	dcn30_dwbc_construct(dwbc30, ctx, dwbc_regs,
50 			     (const struct dcn30_dwbc_shift *)dwbc_shift,
51 			     (const struct dcn30_dwbc_mask *)dwbc_mask, inst);
52 }
53 
dcn35_dwbc_set_fgcg(struct dcn30_dwbc * dwbc30,bool enable)54 void dcn35_dwbc_set_fgcg(struct dcn30_dwbc *dwbc30, bool enable)
55 {
56 	REG_UPDATE(DWB_ENABLE_CLK_CTRL, DWB_FGCG_REP_DIS, !enable);
57 }
58