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26#include "core_types.h"
27#include "clk_mgr_internal.h"
28
29#include "dce/dce_11_2_d.h"
30#include "dce/dce_11_2_sh_mask.h"
31#include "dce100/dce_clk_mgr.h"
32#include "dce110/dce110_clk_mgr.h"
33#include "dce112_clk_mgr.h"
34#include "dal_asic_id.h"
35
36
37#define SR(reg_name)\
38 .reg_name = mm ## reg_name
39
40
41#define SRI(reg_name, block, id)\
42 .reg_name = mm ## block ## id ## _ ## reg_name
43
44static const struct clk_mgr_registers disp_clk_regs = {
45 CLK_COMMON_REG_LIST_DCE_BASE()
46};
47
48static const struct clk_mgr_shift disp_clk_shift = {
49 CLK_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(__SHIFT)
50};
51
52static const struct clk_mgr_mask disp_clk_mask = {
53 CLK_COMMON_MASK_SH_LIST_DCE_COMMON_BASE(_MASK)
54};
55
56static const struct state_dependent_clocks dce112_max_clks_by_state[] = {
57
58{ .display_clk_khz = 0, .pixel_clk_khz = 0 },
59
60{ .display_clk_khz = 389189, .pixel_clk_khz = 346672 },
61
62{ .display_clk_khz = 459000, .pixel_clk_khz = 400000 },
63
64{ .display_clk_khz = 667000, .pixel_clk_khz = 600000 },
65
66{ .display_clk_khz = 1132000, .pixel_clk_khz = 600000 } };
67
68
69
70int dce112_set_clock(struct clk_mgr *clk_mgr_base, int requested_clk_khz)
71{
72 struct clk_mgr_internal *clk_mgr_dce = TO_CLK_MGR_INTERNAL(clk_mgr_base);
73 struct bp_set_dce_clock_parameters dce_clk_params;
74 struct dc_bios *bp = clk_mgr_base->ctx->dc_bios;
75 struct dc *dc = clk_mgr_base->ctx->dc;
76 struct dmcu *dmcu = dc->res_pool->dmcu;
77 int actual_clock = requested_clk_khz;
78
79 memset(&dce_clk_params, 0, sizeof(dce_clk_params));
80
81
82 requested_clk_khz = max(requested_clk_khz,
83 clk_mgr_dce->base.dentist_vco_freq_khz / 62);
84
85 dce_clk_params.target_clock_frequency = requested_clk_khz;
86 dce_clk_params.pll_id = CLOCK_SOURCE_ID_DFS;
87 dce_clk_params.clock_type = DCECLOCK_TYPE_DISPLAY_CLOCK;
88
89 bp->funcs->set_dce_clock(bp, &dce_clk_params);
90 actual_clock = dce_clk_params.target_clock_frequency;
91
92
93
94
95
96 if (requested_clk_khz == 0)
97 clk_mgr_dce->cur_min_clks_state = DM_PP_CLOCKS_STATE_NOMINAL;
98
99
100
101 dce_clk_params.target_clock_frequency = 0;
102 dce_clk_params.clock_type = DCECLOCK_TYPE_DPREFCLK;
103
104 if (!((clk_mgr_base->ctx->asic_id.chip_family == FAMILY_AI) &&
105 ASICREV_IS_VEGA20_P(clk_mgr_base->ctx->asic_id.hw_internal_rev)))
106 dce_clk_params.flags.USE_GENLOCK_AS_SOURCE_FOR_DPREFCLK =
107 (dce_clk_params.pll_id ==
108 CLOCK_SOURCE_COMBO_DISPLAY_PLL0);
109 else
110 dce_clk_params.flags.USE_GENLOCK_AS_SOURCE_FOR_DPREFCLK = false;
111
112 bp->funcs->set_dce_clock(bp, &dce_clk_params);
113
114 if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
115 if (dmcu && dmcu->funcs->is_dmcu_initialized(dmcu)) {
116 if (clk_mgr_dce->dfs_bypass_disp_clk != actual_clock)
117 dmcu->funcs->set_psr_wait_loop(dmcu,
118 actual_clock / 1000 / 7);
119 }
120 }
121
122 clk_mgr_dce->dfs_bypass_disp_clk = actual_clock;
123 return actual_clock;
124}
125
126int dce112_set_dispclk(struct clk_mgr_internal *clk_mgr, int requested_clk_khz)
127{
128 struct bp_set_dce_clock_parameters dce_clk_params;
129 struct dc_bios *bp = clk_mgr->base.ctx->dc_bios;
130 struct dc *dc = clk_mgr->base.ctx->dc;
131 struct dmcu *dmcu = dc->res_pool->dmcu;
132 int actual_clock = requested_clk_khz;
133
134 memset(&dce_clk_params, 0, sizeof(dce_clk_params));
135
136
137 if (requested_clk_khz > 0)
138 requested_clk_khz = max(requested_clk_khz,
139 clk_mgr->base.dentist_vco_freq_khz / 62);
140
141 dce_clk_params.target_clock_frequency = requested_clk_khz;
142 dce_clk_params.pll_id = CLOCK_SOURCE_ID_DFS;
143 dce_clk_params.clock_type = DCECLOCK_TYPE_DISPLAY_CLOCK;
144
145 bp->funcs->set_dce_clock(bp, &dce_clk_params);
146 actual_clock = dce_clk_params.target_clock_frequency;
147
148
149
150
151
152 if (requested_clk_khz == 0)
153 clk_mgr->cur_min_clks_state = DM_PP_CLOCKS_STATE_NOMINAL;
154
155
156 if (!IS_FPGA_MAXIMUS_DC(dc->ctx->dce_environment)) {
157 if (dmcu && dmcu->funcs->is_dmcu_initialized(dmcu)) {
158 if (clk_mgr->dfs_bypass_disp_clk != actual_clock)
159 dmcu->funcs->set_psr_wait_loop(dmcu,
160 actual_clock / 1000 / 7);
161 }
162 }
163
164 clk_mgr->dfs_bypass_disp_clk = actual_clock;
165 return actual_clock;
166
167}
168
169int dce112_set_dprefclk(struct clk_mgr_internal *clk_mgr)
170{
171 struct bp_set_dce_clock_parameters dce_clk_params;
172 struct dc_bios *bp = clk_mgr->base.ctx->dc_bios;
173
174 memset(&dce_clk_params, 0, sizeof(dce_clk_params));
175
176
177
178 dce_clk_params.target_clock_frequency = 0;
179 dce_clk_params.pll_id = CLOCK_SOURCE_ID_DFS;
180 dce_clk_params.clock_type = DCECLOCK_TYPE_DPREFCLK;
181 if (!((clk_mgr->base.ctx->asic_id.chip_family == FAMILY_AI) &&
182 ASICREV_IS_VEGA20_P(clk_mgr->base.ctx->asic_id.hw_internal_rev)))
183 dce_clk_params.flags.USE_GENLOCK_AS_SOURCE_FOR_DPREFCLK =
184 (dce_clk_params.pll_id ==
185 CLOCK_SOURCE_COMBO_DISPLAY_PLL0);
186 else
187 dce_clk_params.flags.USE_GENLOCK_AS_SOURCE_FOR_DPREFCLK = false;
188
189 bp->funcs->set_dce_clock(bp, &dce_clk_params);
190
191
192 return dce_clk_params.target_clock_frequency;
193}
194
195static void dce112_update_clocks(struct clk_mgr *clk_mgr_base,
196 struct dc_state *context,
197 bool safe_to_lower)
198{
199 struct clk_mgr_internal *clk_mgr_dce = TO_CLK_MGR_INTERNAL(clk_mgr_base);
200 struct dm_pp_power_level_change_request level_change_req;
201 int patched_disp_clk = context->bw_ctx.bw.dce.dispclk_khz;
202
203
204 if (!clk_mgr_dce->dfs_bypass_active)
205 patched_disp_clk = patched_disp_clk * 115 / 100;
206
207 level_change_req.power_level = dce_get_required_clocks_state(clk_mgr_base, context);
208
209 if ((level_change_req.power_level < clk_mgr_dce->cur_min_clks_state && safe_to_lower)
210 || level_change_req.power_level > clk_mgr_dce->cur_min_clks_state) {
211 if (dm_pp_apply_power_level_change_request(clk_mgr_base->ctx, &level_change_req))
212 clk_mgr_dce->cur_min_clks_state = level_change_req.power_level;
213 }
214
215 if (should_set_clock(safe_to_lower, patched_disp_clk, clk_mgr_base->clks.dispclk_khz)) {
216 patched_disp_clk = dce112_set_clock(clk_mgr_base, patched_disp_clk);
217 clk_mgr_base->clks.dispclk_khz = patched_disp_clk;
218 }
219 dce11_pplib_apply_display_requirements(clk_mgr_base->ctx->dc, context);
220}
221
222static struct clk_mgr_funcs dce112_funcs = {
223 .get_dp_ref_clk_frequency = dce_get_dp_ref_freq_khz,
224 .update_clocks = dce112_update_clocks
225};
226
227void dce112_clk_mgr_construct(
228 struct dc_context *ctx,
229 struct clk_mgr_internal *clk_mgr)
230{
231 dce_clk_mgr_construct(ctx, clk_mgr);
232
233 memcpy(clk_mgr->max_clks_by_state,
234 dce112_max_clks_by_state,
235 sizeof(dce112_max_clks_by_state));
236
237 clk_mgr->regs = &disp_clk_regs;
238 clk_mgr->clk_mgr_shift = &disp_clk_shift;
239 clk_mgr->clk_mgr_mask = &disp_clk_mask;
240 clk_mgr->base.funcs = &dce112_funcs;
241}
242