1 /*
2 * Copyright 2018 Advanced Micro Devices, Inc.
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice shall be included in
12  * all copies or substantial portions of the Software.
13  *
14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20  * OTHER DEALINGS IN THE SOFTWARE.
21  *
22  * Authors: AMD
23  *
24  */
25 #include "dm_services.h"
26 #include "dcn20/dcn20_hubbub.h"
27 #include "dcn201_hubbub.h"
28 #include "reg_helper.h"
29 
30 #define REG(reg)\
31 	hubbub1->regs->reg
32 
33 #define DC_LOGGER \
34 	hubbub1->base.ctx->logger
35 
36 #define CTX \
37 	hubbub1->base.ctx
38 
39 #undef FN
40 #define FN(reg_name, field_name) \
41 	hubbub1->shifts->field_name, hubbub1->masks->field_name
42 
43 #define REG(reg)\
44 	hubbub1->regs->reg
45 
46 #define CTX \
47 	hubbub1->base.ctx
48 
49 #undef FN
50 #define FN(reg_name, field_name) \
51 	hubbub1->shifts->field_name, hubbub1->masks->field_name
52 
hubbub201_program_watermarks(struct hubbub * hubbub,struct dcn_watermark_set * watermarks,unsigned int refclk_mhz,bool safe_to_lower)53 static bool hubbub201_program_watermarks(
54 		struct hubbub *hubbub,
55 		struct dcn_watermark_set *watermarks,
56 		unsigned int refclk_mhz,
57 		bool safe_to_lower)
58 {
59 	struct dcn20_hubbub *hubbub1 = TO_DCN20_HUBBUB(hubbub);
60 	bool wm_pending = false;
61 
62 	if (hubbub1_program_urgent_watermarks(hubbub, watermarks, refclk_mhz, safe_to_lower))
63 		wm_pending = true;
64 
65 	if (hubbub1_program_pstate_watermarks(hubbub, watermarks, refclk_mhz, safe_to_lower))
66 		wm_pending = true;
67 
68 	REG_SET(DCHUBBUB_ARB_SAT_LEVEL, 0,
69 			DCHUBBUB_ARB_SAT_LEVEL, 60 * refclk_mhz);
70 	REG_UPDATE(DCHUBBUB_ARB_DF_REQ_OUTSTAND,
71 			DCHUBBUB_ARB_MIN_REQ_OUTSTAND, 68);
72 
73 	hubbub1_allow_self_refresh_control(hubbub, !hubbub->ctx->dc->debug.disable_stutter);
74 
75 	return wm_pending;
76 }
77 
78 static const struct hubbub_funcs hubbub201_funcs = {
79 	.update_dchub = hubbub2_update_dchub,
80 	.init_dchub_sys_ctx = NULL,
81 	.init_vm_ctx = NULL,
82 	.dcc_support_swizzle = hubbub2_dcc_support_swizzle,
83 	.dcc_support_pixel_format = hubbub2_dcc_support_pixel_format,
84 	.get_dcc_compression_cap = hubbub2_get_dcc_compression_cap,
85 	.wm_read_state = hubbub2_wm_read_state,
86 	.get_dchub_ref_freq = hubbub2_get_dchub_ref_freq,
87 	.program_watermarks = hubbub201_program_watermarks,
88 	.hubbub_read_state = hubbub2_read_state,
89 };
90 
hubbub201_construct(struct dcn20_hubbub * hubbub,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)91 void hubbub201_construct(struct dcn20_hubbub *hubbub,
92 	struct dc_context *ctx,
93 	const struct dcn_hubbub_registers *hubbub_regs,
94 	const struct dcn_hubbub_shift *hubbub_shift,
95 	const struct dcn_hubbub_mask *hubbub_mask)
96 {
97 	hubbub->base.ctx = ctx;
98 
99 	hubbub->base.funcs = &hubbub201_funcs;
100 
101 	hubbub->regs = hubbub_regs;
102 	hubbub->shifts = hubbub_shift;
103 	hubbub->masks = hubbub_mask;
104 
105 	hubbub->debug_test_index_pstate = 0xB;
106 	hubbub->detile_buf_size = 164 * 1024;
107 }
108