1 /*
2 * Copyright 2012-16 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
26 #include <linux/slab.h>
27
28 #include "dal_asic_id.h"
29 #include "dc_types.h"
30 #include "dccg.h"
31 #include "clk_mgr_internal.h"
32 #include "link.h"
33
34 #include "dce100/dce_clk_mgr.h"
35 #include "dce110/dce110_clk_mgr.h"
36 #include "dce112/dce112_clk_mgr.h"
37 #include "dce120/dce120_clk_mgr.h"
38 #include "dce60/dce60_clk_mgr.h"
39 #include "dcn10/rv1_clk_mgr.h"
40 #include "dcn10/rv2_clk_mgr.h"
41 #include "dcn20/dcn20_clk_mgr.h"
42 #include "dcn21/rn_clk_mgr.h"
43 #include "dcn201/dcn201_clk_mgr.h"
44 #include "dcn30/dcn30_clk_mgr.h"
45 #include "dcn301/vg_clk_mgr.h"
46 #include "dcn31/dcn31_clk_mgr.h"
47 #include "dcn314/dcn314_clk_mgr.h"
48 #include "dcn315/dcn315_clk_mgr.h"
49 #include "dcn316/dcn316_clk_mgr.h"
50 #include "dcn32/dcn32_clk_mgr.h"
51
clk_mgr_helper_get_active_display_cnt(struct dc * dc,struct dc_state * context)52 int clk_mgr_helper_get_active_display_cnt(
53 struct dc *dc,
54 struct dc_state *context)
55 {
56 int i, display_count;
57
58 display_count = 0;
59 for (i = 0; i < context->stream_count; i++) {
60 const struct dc_stream_state *stream = context->streams[i];
61
62 /* Don't count SubVP phantom pipes as part of active
63 * display count
64 */
65 if (stream->mall_stream_config.type == SUBVP_PHANTOM)
66 continue;
67
68 /*
69 * Only notify active stream or virtual stream.
70 * Need to notify virtual stream to work around
71 * headless case. HPD does not fire when system is in
72 * S0i2.
73 */
74 if (!stream->dpms_off || stream->signal == SIGNAL_TYPE_VIRTUAL)
75 display_count++;
76 }
77
78 return display_count;
79 }
80
clk_mgr_helper_get_active_plane_cnt(struct dc * dc,struct dc_state * context)81 int clk_mgr_helper_get_active_plane_cnt(
82 struct dc *dc,
83 struct dc_state *context)
84 {
85 int i, total_plane_count;
86
87 total_plane_count = 0;
88 for (i = 0; i < context->stream_count; i++) {
89 const struct dc_stream_status stream_status = context->stream_status[i];
90
91 /*
92 * Sum up plane_count for all streams ( active and virtual ).
93 */
94 total_plane_count += stream_status.plane_count;
95 }
96
97 return total_plane_count;
98 }
99
clk_mgr_exit_optimized_pwr_state(const struct dc * dc,struct clk_mgr * clk_mgr)100 void clk_mgr_exit_optimized_pwr_state(const struct dc *dc, struct clk_mgr *clk_mgr)
101 {
102 struct dc_link *edp_links[MAX_NUM_EDP];
103 struct dc_link *edp_link = NULL;
104 int edp_num;
105 unsigned int panel_inst;
106
107 dc_get_edp_links(dc, edp_links, &edp_num);
108 if (dc->hwss.exit_optimized_pwr_state)
109 dc->hwss.exit_optimized_pwr_state(dc, dc->current_state);
110
111 if (edp_num) {
112 for (panel_inst = 0; panel_inst < edp_num; panel_inst++) {
113 bool allow_active = false;
114
115 edp_link = edp_links[panel_inst];
116 if (!edp_link->psr_settings.psr_feature_enabled)
117 continue;
118 clk_mgr->psr_allow_active_cache = edp_link->psr_settings.psr_allow_active;
119 dc->link_srv->edp_set_psr_allow_active(edp_link, &allow_active, false, false, NULL);
120 dc->link_srv->edp_set_replay_allow_active(edp_link, &allow_active, false, false, NULL);
121 }
122 }
123
124 }
125
clk_mgr_optimize_pwr_state(const struct dc * dc,struct clk_mgr * clk_mgr)126 void clk_mgr_optimize_pwr_state(const struct dc *dc, struct clk_mgr *clk_mgr)
127 {
128 struct dc_link *edp_links[MAX_NUM_EDP];
129 struct dc_link *edp_link = NULL;
130 int edp_num;
131 unsigned int panel_inst;
132
133 dc_get_edp_links(dc, edp_links, &edp_num);
134 if (edp_num) {
135 for (panel_inst = 0; panel_inst < edp_num; panel_inst++) {
136 edp_link = edp_links[panel_inst];
137 if (!edp_link->psr_settings.psr_feature_enabled)
138 continue;
139 dc->link_srv->edp_set_psr_allow_active(edp_link,
140 &clk_mgr->psr_allow_active_cache, false, false, NULL);
141 dc->link_srv->edp_set_replay_allow_active(edp_link,
142 &clk_mgr->psr_allow_active_cache, false, false, NULL);
143 }
144 }
145
146 if (dc->hwss.optimize_pwr_state)
147 dc->hwss.optimize_pwr_state(dc, dc->current_state);
148
149 }
150
dc_clk_mgr_create(struct dc_context * ctx,struct pp_smu_funcs * pp_smu,struct dccg * dccg)151 struct clk_mgr *dc_clk_mgr_create(struct dc_context *ctx, struct pp_smu_funcs *pp_smu, struct dccg *dccg)
152 {
153 struct hw_asic_id asic_id = ctx->asic_id;
154
155 switch (asic_id.chip_family) {
156 #if defined(CONFIG_DRM_AMD_DC_SI)
157 case FAMILY_SI: {
158 struct clk_mgr_internal *clk_mgr = kzalloc(sizeof(*clk_mgr), GFP_KERNEL);
159
160 if (clk_mgr == NULL) {
161 BREAK_TO_DEBUGGER();
162 return NULL;
163 }
164 dce60_clk_mgr_construct(ctx, clk_mgr);
165 dce_clk_mgr_construct(ctx, clk_mgr);
166 return &clk_mgr->base;
167 }
168 #endif
169 case FAMILY_CI:
170 case FAMILY_KV: {
171 struct clk_mgr_internal *clk_mgr = kzalloc(sizeof(*clk_mgr), GFP_KERNEL);
172
173 if (clk_mgr == NULL) {
174 BREAK_TO_DEBUGGER();
175 return NULL;
176 }
177 dce_clk_mgr_construct(ctx, clk_mgr);
178 return &clk_mgr->base;
179 }
180 case FAMILY_CZ: {
181 struct clk_mgr_internal *clk_mgr = kzalloc(sizeof(*clk_mgr), GFP_KERNEL);
182
183 if (clk_mgr == NULL) {
184 BREAK_TO_DEBUGGER();
185 return NULL;
186 }
187 dce110_clk_mgr_construct(ctx, clk_mgr);
188 return &clk_mgr->base;
189 }
190 case FAMILY_VI: {
191 struct clk_mgr_internal *clk_mgr = kzalloc(sizeof(*clk_mgr), GFP_KERNEL);
192
193 if (clk_mgr == NULL) {
194 BREAK_TO_DEBUGGER();
195 return NULL;
196 }
197 if (ASIC_REV_IS_TONGA_P(asic_id.hw_internal_rev) ||
198 ASIC_REV_IS_FIJI_P(asic_id.hw_internal_rev)) {
199 dce_clk_mgr_construct(ctx, clk_mgr);
200 return &clk_mgr->base;
201 }
202 if (ASIC_REV_IS_POLARIS10_P(asic_id.hw_internal_rev) ||
203 ASIC_REV_IS_POLARIS11_M(asic_id.hw_internal_rev) ||
204 ASIC_REV_IS_POLARIS12_V(asic_id.hw_internal_rev)) {
205 dce112_clk_mgr_construct(ctx, clk_mgr);
206 return &clk_mgr->base;
207 }
208 if (ASIC_REV_IS_VEGAM(asic_id.hw_internal_rev)) {
209 dce112_clk_mgr_construct(ctx, clk_mgr);
210 return &clk_mgr->base;
211 }
212 return &clk_mgr->base;
213 }
214 case FAMILY_AI: {
215 struct clk_mgr_internal *clk_mgr = kzalloc(sizeof(*clk_mgr), GFP_KERNEL);
216
217 if (clk_mgr == NULL) {
218 BREAK_TO_DEBUGGER();
219 return NULL;
220 }
221 if (ASICREV_IS_VEGA20_P(asic_id.hw_internal_rev))
222 dce121_clk_mgr_construct(ctx, clk_mgr);
223 else
224 dce120_clk_mgr_construct(ctx, clk_mgr);
225 return &clk_mgr->base;
226 }
227 #if defined(CONFIG_DRM_AMD_DC_FP)
228 case FAMILY_RV: {
229 struct clk_mgr_internal *clk_mgr = kzalloc(sizeof(*clk_mgr), GFP_KERNEL);
230
231 if (clk_mgr == NULL) {
232 BREAK_TO_DEBUGGER();
233 return NULL;
234 }
235
236 if (ASICREV_IS_RENOIR(asic_id.hw_internal_rev)) {
237 rn_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg);
238 return &clk_mgr->base;
239 }
240
241 if (ASICREV_IS_GREEN_SARDINE(asic_id.hw_internal_rev)) {
242 rn_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg);
243 return &clk_mgr->base;
244 }
245 if (ASICREV_IS_RAVEN2(asic_id.hw_internal_rev)) {
246 rv2_clk_mgr_construct(ctx, clk_mgr, pp_smu);
247 return &clk_mgr->base;
248 }
249 if (ASICREV_IS_RAVEN(asic_id.hw_internal_rev) ||
250 ASICREV_IS_PICASSO(asic_id.hw_internal_rev)) {
251 rv1_clk_mgr_construct(ctx, clk_mgr, pp_smu);
252 return &clk_mgr->base;
253 }
254 return &clk_mgr->base;
255 }
256 case FAMILY_NV: {
257 struct clk_mgr_internal *clk_mgr = kzalloc(sizeof(*clk_mgr), GFP_KERNEL);
258
259 if (clk_mgr == NULL) {
260 BREAK_TO_DEBUGGER();
261 return NULL;
262 }
263 if (ASICREV_IS_SIENNA_CICHLID_P(asic_id.hw_internal_rev)) {
264 dcn3_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg);
265 return &clk_mgr->base;
266 }
267 if (ASICREV_IS_DIMGREY_CAVEFISH_P(asic_id.hw_internal_rev)) {
268 dcn3_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg);
269 return &clk_mgr->base;
270 }
271 if (ASICREV_IS_BEIGE_GOBY_P(asic_id.hw_internal_rev)) {
272 dcn3_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg);
273 return &clk_mgr->base;
274 }
275 if (asic_id.chip_id == DEVICE_ID_NV_13FE) {
276 dcn201_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg);
277 return &clk_mgr->base;
278 }
279 dcn20_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg);
280 return &clk_mgr->base;
281 }
282 case FAMILY_VGH:
283 if (ASICREV_IS_VANGOGH(asic_id.hw_internal_rev)) {
284 struct clk_mgr_vgh *clk_mgr = kzalloc(sizeof(*clk_mgr), GFP_KERNEL);
285
286 if (clk_mgr == NULL) {
287 BREAK_TO_DEBUGGER();
288 return NULL;
289 }
290 vg_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg);
291 return &clk_mgr->base.base;
292 }
293 break;
294
295 case FAMILY_YELLOW_CARP: {
296 struct clk_mgr_dcn31 *clk_mgr = kzalloc(sizeof(*clk_mgr), GFP_KERNEL);
297
298 if (clk_mgr == NULL) {
299 BREAK_TO_DEBUGGER();
300 return NULL;
301 }
302
303 dcn31_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg);
304 return &clk_mgr->base.base;
305 }
306 break;
307 case AMDGPU_FAMILY_GC_10_3_6: {
308 struct clk_mgr_dcn315 *clk_mgr = kzalloc(sizeof(*clk_mgr), GFP_KERNEL);
309
310 if (clk_mgr == NULL) {
311 BREAK_TO_DEBUGGER();
312 return NULL;
313 }
314
315 dcn315_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg);
316 return &clk_mgr->base.base;
317 }
318 break;
319 case AMDGPU_FAMILY_GC_10_3_7: {
320 struct clk_mgr_dcn316 *clk_mgr = kzalloc(sizeof(*clk_mgr), GFP_KERNEL);
321
322 if (clk_mgr == NULL) {
323 BREAK_TO_DEBUGGER();
324 return NULL;
325 }
326
327 dcn316_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg);
328 return &clk_mgr->base.base;
329 }
330 break;
331 case AMDGPU_FAMILY_GC_11_0_0: {
332 struct clk_mgr_internal *clk_mgr = kzalloc(sizeof(*clk_mgr), GFP_KERNEL);
333
334 if (clk_mgr == NULL) {
335 BREAK_TO_DEBUGGER();
336 return NULL;
337 }
338
339 dcn32_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg);
340 return &clk_mgr->base;
341 break;
342 }
343
344 case AMDGPU_FAMILY_GC_11_0_1: {
345 struct clk_mgr_dcn314 *clk_mgr = kzalloc(sizeof(*clk_mgr), GFP_KERNEL);
346
347 if (clk_mgr == NULL) {
348 BREAK_TO_DEBUGGER();
349 return NULL;
350 }
351
352 dcn314_clk_mgr_construct(ctx, clk_mgr, pp_smu, dccg);
353 return &clk_mgr->base.base;
354 }
355 break;
356
357 #endif /* CONFIG_DRM_AMD_DC_FP - Family RV */
358 default:
359 ASSERT(0); /* Unknown Asic */
360 break;
361 }
362
363 return NULL;
364 }
365
dc_destroy_clk_mgr(struct clk_mgr * clk_mgr_base)366 void dc_destroy_clk_mgr(struct clk_mgr *clk_mgr_base)
367 {
368 struct clk_mgr_internal *clk_mgr = TO_CLK_MGR_INTERNAL(clk_mgr_base);
369
370 #ifdef CONFIG_DRM_AMD_DC_FP
371 switch (clk_mgr_base->ctx->asic_id.chip_family) {
372 case FAMILY_NV:
373 if (ASICREV_IS_SIENNA_CICHLID_P(clk_mgr_base->ctx->asic_id.hw_internal_rev)) {
374 dcn3_clk_mgr_destroy(clk_mgr);
375 } else if (ASICREV_IS_DIMGREY_CAVEFISH_P(clk_mgr_base->ctx->asic_id.hw_internal_rev)) {
376 dcn3_clk_mgr_destroy(clk_mgr);
377 }
378 if (ASICREV_IS_BEIGE_GOBY_P(clk_mgr_base->ctx->asic_id.hw_internal_rev)) {
379 dcn3_clk_mgr_destroy(clk_mgr);
380 }
381 break;
382
383 case FAMILY_VGH:
384 if (ASICREV_IS_VANGOGH(clk_mgr_base->ctx->asic_id.hw_internal_rev))
385 vg_clk_mgr_destroy(clk_mgr);
386 break;
387
388 case FAMILY_YELLOW_CARP:
389 dcn31_clk_mgr_destroy(clk_mgr);
390 break;
391
392 case AMDGPU_FAMILY_GC_10_3_6:
393 dcn315_clk_mgr_destroy(clk_mgr);
394 break;
395
396 case AMDGPU_FAMILY_GC_10_3_7:
397 dcn316_clk_mgr_destroy(clk_mgr);
398 break;
399
400 case AMDGPU_FAMILY_GC_11_0_0:
401 dcn32_clk_mgr_destroy(clk_mgr);
402 break;
403
404 case AMDGPU_FAMILY_GC_11_0_1:
405 dcn314_clk_mgr_destroy(clk_mgr);
406 break;
407
408 default:
409 break;
410 }
411 #endif /* CONFIG_DRM_AMD_DC_FP */
412
413 kfree(clk_mgr);
414 }
415
416