xref: /openbmc/linux/drivers/gpu/drm/radeon/btc_dpm.c (revision 99a15348) 
1 /*
2  * Copyright 2011 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: Alex Deucher
23  */
24 
25 #include <linux/pci.h>
26 #include <linux/seq_file.h>
27 
28 #include "atom.h"
29 #include "btc_dpm.h"
30 #include "btcd.h"
31 #include "cypress_dpm.h"
32 #include "evergreen.h"
33 #include "r600_dpm.h"
34 #include "rv770.h"
35 #include "radeon.h"
36 #include "radeon_asic.h"
37 
38 #define MC_CG_ARB_FREQ_F0           0x0a
39 #define MC_CG_ARB_FREQ_F1           0x0b
40 #define MC_CG_ARB_FREQ_F2           0x0c
41 #define MC_CG_ARB_FREQ_F3           0x0d
42 
43 #define MC_CG_SEQ_DRAMCONF_S0       0x05
44 #define MC_CG_SEQ_DRAMCONF_S1       0x06
45 #define MC_CG_SEQ_YCLK_SUSPEND      0x04
46 #define MC_CG_SEQ_YCLK_RESUME       0x0a
47 
48 #define SMC_RAM_END 0x8000
49 
50 #ifndef BTC_MGCG_SEQUENCE
51 #define BTC_MGCG_SEQUENCE  300
52 
53 extern int ni_mc_load_microcode(struct radeon_device *rdev);
54 
55 //********* BARTS **************//
56 static const u32 barts_cgcg_cgls_default[] =
57 {
58 	/* Register,   Value,     Mask bits */
59 	0x000008f8, 0x00000010, 0xffffffff,
60 	0x000008fc, 0x00000000, 0xffffffff,
61 	0x000008f8, 0x00000011, 0xffffffff,
62 	0x000008fc, 0x00000000, 0xffffffff,
63 	0x000008f8, 0x00000012, 0xffffffff,
64 	0x000008fc, 0x00000000, 0xffffffff,
65 	0x000008f8, 0x00000013, 0xffffffff,
66 	0x000008fc, 0x00000000, 0xffffffff,
67 	0x000008f8, 0x00000014, 0xffffffff,
68 	0x000008fc, 0x00000000, 0xffffffff,
69 	0x000008f8, 0x00000015, 0xffffffff,
70 	0x000008fc, 0x00000000, 0xffffffff,
71 	0x000008f8, 0x00000016, 0xffffffff,
72 	0x000008fc, 0x00000000, 0xffffffff,
73 	0x000008f8, 0x00000017, 0xffffffff,
74 	0x000008fc, 0x00000000, 0xffffffff,
75 	0x000008f8, 0x00000018, 0xffffffff,
76 	0x000008fc, 0x00000000, 0xffffffff,
77 	0x000008f8, 0x00000019, 0xffffffff,
78 	0x000008fc, 0x00000000, 0xffffffff,
79 	0x000008f8, 0x0000001a, 0xffffffff,
80 	0x000008fc, 0x00000000, 0xffffffff,
81 	0x000008f8, 0x0000001b, 0xffffffff,
82 	0x000008fc, 0x00000000, 0xffffffff,
83 	0x000008f8, 0x00000020, 0xffffffff,
84 	0x000008fc, 0x00000000, 0xffffffff,
85 	0x000008f8, 0x00000021, 0xffffffff,
86 	0x000008fc, 0x00000000, 0xffffffff,
87 	0x000008f8, 0x00000022, 0xffffffff,
88 	0x000008fc, 0x00000000, 0xffffffff,
89 	0x000008f8, 0x00000023, 0xffffffff,
90 	0x000008fc, 0x00000000, 0xffffffff,
91 	0x000008f8, 0x00000024, 0xffffffff,
92 	0x000008fc, 0x00000000, 0xffffffff,
93 	0x000008f8, 0x00000025, 0xffffffff,
94 	0x000008fc, 0x00000000, 0xffffffff,
95 	0x000008f8, 0x00000026, 0xffffffff,
96 	0x000008fc, 0x00000000, 0xffffffff,
97 	0x000008f8, 0x00000027, 0xffffffff,
98 	0x000008fc, 0x00000000, 0xffffffff,
99 	0x000008f8, 0x00000028, 0xffffffff,
100 	0x000008fc, 0x00000000, 0xffffffff,
101 	0x000008f8, 0x00000029, 0xffffffff,
102 	0x000008fc, 0x00000000, 0xffffffff,
103 	0x000008f8, 0x0000002a, 0xffffffff,
104 	0x000008fc, 0x00000000, 0xffffffff,
105 	0x000008f8, 0x0000002b, 0xffffffff,
106 	0x000008fc, 0x00000000, 0xffffffff
107 };
108 #define BARTS_CGCG_CGLS_DEFAULT_LENGTH sizeof(barts_cgcg_cgls_default) / (3 * sizeof(u32))
109 
110 static const u32 barts_cgcg_cgls_disable[] =
111 {
112 	0x000008f8, 0x00000010, 0xffffffff,
113 	0x000008fc, 0xffffffff, 0xffffffff,
114 	0x000008f8, 0x00000011, 0xffffffff,
115 	0x000008fc, 0xffffffff, 0xffffffff,
116 	0x000008f8, 0x00000012, 0xffffffff,
117 	0x000008fc, 0xffffffff, 0xffffffff,
118 	0x000008f8, 0x00000013, 0xffffffff,
119 	0x000008fc, 0xffffffff, 0xffffffff,
120 	0x000008f8, 0x00000014, 0xffffffff,
121 	0x000008fc, 0xffffffff, 0xffffffff,
122 	0x000008f8, 0x00000015, 0xffffffff,
123 	0x000008fc, 0xffffffff, 0xffffffff,
124 	0x000008f8, 0x00000016, 0xffffffff,
125 	0x000008fc, 0xffffffff, 0xffffffff,
126 	0x000008f8, 0x00000017, 0xffffffff,
127 	0x000008fc, 0xffffffff, 0xffffffff,
128 	0x000008f8, 0x00000018, 0xffffffff,
129 	0x000008fc, 0xffffffff, 0xffffffff,
130 	0x000008f8, 0x00000019, 0xffffffff,
131 	0x000008fc, 0xffffffff, 0xffffffff,
132 	0x000008f8, 0x0000001a, 0xffffffff,
133 	0x000008fc, 0xffffffff, 0xffffffff,
134 	0x000008f8, 0x0000001b, 0xffffffff,
135 	0x000008fc, 0xffffffff, 0xffffffff,
136 	0x000008f8, 0x00000020, 0xffffffff,
137 	0x000008fc, 0x00000000, 0xffffffff,
138 	0x000008f8, 0x00000021, 0xffffffff,
139 	0x000008fc, 0x00000000, 0xffffffff,
140 	0x000008f8, 0x00000022, 0xffffffff,
141 	0x000008fc, 0x00000000, 0xffffffff,
142 	0x000008f8, 0x00000023, 0xffffffff,
143 	0x000008fc, 0x00000000, 0xffffffff,
144 	0x000008f8, 0x00000024, 0xffffffff,
145 	0x000008fc, 0x00000000, 0xffffffff,
146 	0x000008f8, 0x00000025, 0xffffffff,
147 	0x000008fc, 0x00000000, 0xffffffff,
148 	0x000008f8, 0x00000026, 0xffffffff,
149 	0x000008fc, 0x00000000, 0xffffffff,
150 	0x000008f8, 0x00000027, 0xffffffff,
151 	0x000008fc, 0x00000000, 0xffffffff,
152 	0x000008f8, 0x00000028, 0xffffffff,
153 	0x000008fc, 0x00000000, 0xffffffff,
154 	0x000008f8, 0x00000029, 0xffffffff,
155 	0x000008fc, 0x00000000, 0xffffffff,
156 	0x000008f8, 0x0000002a, 0xffffffff,
157 	0x000008fc, 0x00000000, 0xffffffff,
158 	0x000008f8, 0x0000002b, 0xffffffff,
159 	0x000008fc, 0x00000000, 0xffffffff,
160 	0x00000644, 0x000f7912, 0x001f4180,
161 	0x00000644, 0x000f3812, 0x001f4180
162 };
163 #define BARTS_CGCG_CGLS_DISABLE_LENGTH sizeof(barts_cgcg_cgls_disable) / (3 * sizeof(u32))
164 
165 static const u32 barts_cgcg_cgls_enable[] =
166 {
167 	/* 0x0000c124, 0x84180000, 0x00180000, */
168 	0x00000644, 0x000f7892, 0x001f4080,
169 	0x000008f8, 0x00000010, 0xffffffff,
170 	0x000008fc, 0x00000000, 0xffffffff,
171 	0x000008f8, 0x00000011, 0xffffffff,
172 	0x000008fc, 0x00000000, 0xffffffff,
173 	0x000008f8, 0x00000012, 0xffffffff,
174 	0x000008fc, 0x00000000, 0xffffffff,
175 	0x000008f8, 0x00000013, 0xffffffff,
176 	0x000008fc, 0x00000000, 0xffffffff,
177 	0x000008f8, 0x00000014, 0xffffffff,
178 	0x000008fc, 0x00000000, 0xffffffff,
179 	0x000008f8, 0x00000015, 0xffffffff,
180 	0x000008fc, 0x00000000, 0xffffffff,
181 	0x000008f8, 0x00000016, 0xffffffff,
182 	0x000008fc, 0x00000000, 0xffffffff,
183 	0x000008f8, 0x00000017, 0xffffffff,
184 	0x000008fc, 0x00000000, 0xffffffff,
185 	0x000008f8, 0x00000018, 0xffffffff,
186 	0x000008fc, 0x00000000, 0xffffffff,
187 	0x000008f8, 0x00000019, 0xffffffff,
188 	0x000008fc, 0x00000000, 0xffffffff,
189 	0x000008f8, 0x0000001a, 0xffffffff,
190 	0x000008fc, 0x00000000, 0xffffffff,
191 	0x000008f8, 0x0000001b, 0xffffffff,
192 	0x000008fc, 0x00000000, 0xffffffff,
193 	0x000008f8, 0x00000020, 0xffffffff,
194 	0x000008fc, 0xffffffff, 0xffffffff,
195 	0x000008f8, 0x00000021, 0xffffffff,
196 	0x000008fc, 0xffffffff, 0xffffffff,
197 	0x000008f8, 0x00000022, 0xffffffff,
198 	0x000008fc, 0xffffffff, 0xffffffff,
199 	0x000008f8, 0x00000023, 0xffffffff,
200 	0x000008fc, 0xffffffff, 0xffffffff,
201 	0x000008f8, 0x00000024, 0xffffffff,
202 	0x000008fc, 0xffffffff, 0xffffffff,
203 	0x000008f8, 0x00000025, 0xffffffff,
204 	0x000008fc, 0xffffffff, 0xffffffff,
205 	0x000008f8, 0x00000026, 0xffffffff,
206 	0x000008fc, 0xffffffff, 0xffffffff,
207 	0x000008f8, 0x00000027, 0xffffffff,
208 	0x000008fc, 0xffffffff, 0xffffffff,
209 	0x000008f8, 0x00000028, 0xffffffff,
210 	0x000008fc, 0xffffffff, 0xffffffff,
211 	0x000008f8, 0x00000029, 0xffffffff,
212 	0x000008fc, 0xffffffff, 0xffffffff,
213 	0x000008f8, 0x0000002a, 0xffffffff,
214 	0x000008fc, 0xffffffff, 0xffffffff,
215 	0x000008f8, 0x0000002b, 0xffffffff,
216 	0x000008fc, 0xffffffff, 0xffffffff
217 };
218 #define BARTS_CGCG_CGLS_ENABLE_LENGTH sizeof(barts_cgcg_cgls_enable) / (3 * sizeof(u32))
219 
220 static const u32 barts_mgcg_default[] =
221 {
222 	0x0000802c, 0xc0000000, 0xffffffff,
223 	0x00005448, 0x00000100, 0xffffffff,
224 	0x000055e4, 0x00600100, 0xffffffff,
225 	0x0000160c, 0x00000100, 0xffffffff,
226 	0x0000c164, 0x00000100, 0xffffffff,
227 	0x00008a18, 0x00000100, 0xffffffff,
228 	0x0000897c, 0x06000100, 0xffffffff,
229 	0x00008b28, 0x00000100, 0xffffffff,
230 	0x00009144, 0x00000100, 0xffffffff,
231 	0x00009a60, 0x00000100, 0xffffffff,
232 	0x00009868, 0x00000100, 0xffffffff,
233 	0x00008d58, 0x00000100, 0xffffffff,
234 	0x00009510, 0x00000100, 0xffffffff,
235 	0x0000949c, 0x00000100, 0xffffffff,
236 	0x00009654, 0x00000100, 0xffffffff,
237 	0x00009030, 0x00000100, 0xffffffff,
238 	0x00009034, 0x00000100, 0xffffffff,
239 	0x00009038, 0x00000100, 0xffffffff,
240 	0x0000903c, 0x00000100, 0xffffffff,
241 	0x00009040, 0x00000100, 0xffffffff,
242 	0x0000a200, 0x00000100, 0xffffffff,
243 	0x0000a204, 0x00000100, 0xffffffff,
244 	0x0000a208, 0x00000100, 0xffffffff,
245 	0x0000a20c, 0x00000100, 0xffffffff,
246 	0x0000977c, 0x00000100, 0xffffffff,
247 	0x00003f80, 0x00000100, 0xffffffff,
248 	0x0000a210, 0x00000100, 0xffffffff,
249 	0x0000a214, 0x00000100, 0xffffffff,
250 	0x000004d8, 0x00000100, 0xffffffff,
251 	0x00009784, 0x00000100, 0xffffffff,
252 	0x00009698, 0x00000100, 0xffffffff,
253 	0x000004d4, 0x00000200, 0xffffffff,
254 	0x000004d0, 0x00000000, 0xffffffff,
255 	0x000030cc, 0x00000100, 0xffffffff,
256 	0x0000d0c0, 0xff000100, 0xffffffff,
257 	0x0000802c, 0x40000000, 0xffffffff,
258 	0x0000915c, 0x00010000, 0xffffffff,
259 	0x00009160, 0x00030002, 0xffffffff,
260 	0x00009164, 0x00050004, 0xffffffff,
261 	0x00009168, 0x00070006, 0xffffffff,
262 	0x00009178, 0x00070000, 0xffffffff,
263 	0x0000917c, 0x00030002, 0xffffffff,
264 	0x00009180, 0x00050004, 0xffffffff,
265 	0x0000918c, 0x00010006, 0xffffffff,
266 	0x00009190, 0x00090008, 0xffffffff,
267 	0x00009194, 0x00070000, 0xffffffff,
268 	0x00009198, 0x00030002, 0xffffffff,
269 	0x0000919c, 0x00050004, 0xffffffff,
270 	0x000091a8, 0x00010006, 0xffffffff,
271 	0x000091ac, 0x00090008, 0xffffffff,
272 	0x000091b0, 0x00070000, 0xffffffff,
273 	0x000091b4, 0x00030002, 0xffffffff,
274 	0x000091b8, 0x00050004, 0xffffffff,
275 	0x000091c4, 0x00010006, 0xffffffff,
276 	0x000091c8, 0x00090008, 0xffffffff,
277 	0x000091cc, 0x00070000, 0xffffffff,
278 	0x000091d0, 0x00030002, 0xffffffff,
279 	0x000091d4, 0x00050004, 0xffffffff,
280 	0x000091e0, 0x00010006, 0xffffffff,
281 	0x000091e4, 0x00090008, 0xffffffff,
282 	0x000091e8, 0x00000000, 0xffffffff,
283 	0x000091ec, 0x00070000, 0xffffffff,
284 	0x000091f0, 0x00030002, 0xffffffff,
285 	0x000091f4, 0x00050004, 0xffffffff,
286 	0x00009200, 0x00010006, 0xffffffff,
287 	0x00009204, 0x00090008, 0xffffffff,
288 	0x00009208, 0x00070000, 0xffffffff,
289 	0x0000920c, 0x00030002, 0xffffffff,
290 	0x00009210, 0x00050004, 0xffffffff,
291 	0x0000921c, 0x00010006, 0xffffffff,
292 	0x00009220, 0x00090008, 0xffffffff,
293 	0x00009224, 0x00070000, 0xffffffff,
294 	0x00009228, 0x00030002, 0xffffffff,
295 	0x0000922c, 0x00050004, 0xffffffff,
296 	0x00009238, 0x00010006, 0xffffffff,
297 	0x0000923c, 0x00090008, 0xffffffff,
298 	0x00009294, 0x00000000, 0xffffffff,
299 	0x0000802c, 0x40010000, 0xffffffff,
300 	0x0000915c, 0x00010000, 0xffffffff,
301 	0x00009160, 0x00030002, 0xffffffff,
302 	0x00009164, 0x00050004, 0xffffffff,
303 	0x00009168, 0x00070006, 0xffffffff,
304 	0x00009178, 0x00070000, 0xffffffff,
305 	0x0000917c, 0x00030002, 0xffffffff,
306 	0x00009180, 0x00050004, 0xffffffff,
307 	0x0000918c, 0x00010006, 0xffffffff,
308 	0x00009190, 0x00090008, 0xffffffff,
309 	0x00009194, 0x00070000, 0xffffffff,
310 	0x00009198, 0x00030002, 0xffffffff,
311 	0x0000919c, 0x00050004, 0xffffffff,
312 	0x000091a8, 0x00010006, 0xffffffff,
313 	0x000091ac, 0x00090008, 0xffffffff,
314 	0x000091b0, 0x00070000, 0xffffffff,
315 	0x000091b4, 0x00030002, 0xffffffff,
316 	0x000091b8, 0x00050004, 0xffffffff,
317 	0x000091c4, 0x00010006, 0xffffffff,
318 	0x000091c8, 0x00090008, 0xffffffff,
319 	0x000091cc, 0x00070000, 0xffffffff,
320 	0x000091d0, 0x00030002, 0xffffffff,
321 	0x000091d4, 0x00050004, 0xffffffff,
322 	0x000091e0, 0x00010006, 0xffffffff,
323 	0x000091e4, 0x00090008, 0xffffffff,
324 	0x000091e8, 0x00000000, 0xffffffff,
325 	0x000091ec, 0x00070000, 0xffffffff,
326 	0x000091f0, 0x00030002, 0xffffffff,
327 	0x000091f4, 0x00050004, 0xffffffff,
328 	0x00009200, 0x00010006, 0xffffffff,
329 	0x00009204, 0x00090008, 0xffffffff,
330 	0x00009208, 0x00070000, 0xffffffff,
331 	0x0000920c, 0x00030002, 0xffffffff,
332 	0x00009210, 0x00050004, 0xffffffff,
333 	0x0000921c, 0x00010006, 0xffffffff,
334 	0x00009220, 0x00090008, 0xffffffff,
335 	0x00009224, 0x00070000, 0xffffffff,
336 	0x00009228, 0x00030002, 0xffffffff,
337 	0x0000922c, 0x00050004, 0xffffffff,
338 	0x00009238, 0x00010006, 0xffffffff,
339 	0x0000923c, 0x00090008, 0xffffffff,
340 	0x00009294, 0x00000000, 0xffffffff,
341 	0x0000802c, 0xc0000000, 0xffffffff,
342 	0x000008f8, 0x00000010, 0xffffffff,
343 	0x000008fc, 0x00000000, 0xffffffff,
344 	0x000008f8, 0x00000011, 0xffffffff,
345 	0x000008fc, 0x00000000, 0xffffffff,
346 	0x000008f8, 0x00000012, 0xffffffff,
347 	0x000008fc, 0x00000000, 0xffffffff,
348 	0x000008f8, 0x00000013, 0xffffffff,
349 	0x000008fc, 0x00000000, 0xffffffff,
350 	0x000008f8, 0x00000014, 0xffffffff,
351 	0x000008fc, 0x00000000, 0xffffffff,
352 	0x000008f8, 0x00000015, 0xffffffff,
353 	0x000008fc, 0x00000000, 0xffffffff,
354 	0x000008f8, 0x00000016, 0xffffffff,
355 	0x000008fc, 0x00000000, 0xffffffff,
356 	0x000008f8, 0x00000017, 0xffffffff,
357 	0x000008fc, 0x00000000, 0xffffffff,
358 	0x000008f8, 0x00000018, 0xffffffff,
359 	0x000008fc, 0x00000000, 0xffffffff,
360 	0x000008f8, 0x00000019, 0xffffffff,
361 	0x000008fc, 0x00000000, 0xffffffff,
362 	0x000008f8, 0x0000001a, 0xffffffff,
363 	0x000008fc, 0x00000000, 0xffffffff,
364 	0x000008f8, 0x0000001b, 0xffffffff,
365 	0x000008fc, 0x00000000, 0xffffffff
366 };
367 #define BARTS_MGCG_DEFAULT_LENGTH sizeof(barts_mgcg_default) / (3 * sizeof(u32))
368 
369 static const u32 barts_mgcg_disable[] =
370 {
371 	0x0000802c, 0xc0000000, 0xffffffff,
372 	0x000008f8, 0x00000000, 0xffffffff,
373 	0x000008fc, 0xffffffff, 0xffffffff,
374 	0x000008f8, 0x00000001, 0xffffffff,
375 	0x000008fc, 0xffffffff, 0xffffffff,
376 	0x000008f8, 0x00000002, 0xffffffff,
377 	0x000008fc, 0xffffffff, 0xffffffff,
378 	0x000008f8, 0x00000003, 0xffffffff,
379 	0x000008fc, 0xffffffff, 0xffffffff,
380 	0x00009150, 0x00600000, 0xffffffff
381 };
382 #define BARTS_MGCG_DISABLE_LENGTH sizeof(barts_mgcg_disable) / (3 * sizeof(u32))
383 
384 static const u32 barts_mgcg_enable[] =
385 {
386 	0x0000802c, 0xc0000000, 0xffffffff,
387 	0x000008f8, 0x00000000, 0xffffffff,
388 	0x000008fc, 0x00000000, 0xffffffff,
389 	0x000008f8, 0x00000001, 0xffffffff,
390 	0x000008fc, 0x00000000, 0xffffffff,
391 	0x000008f8, 0x00000002, 0xffffffff,
392 	0x000008fc, 0x00000000, 0xffffffff,
393 	0x000008f8, 0x00000003, 0xffffffff,
394 	0x000008fc, 0x00000000, 0xffffffff,
395 	0x00009150, 0x81944000, 0xffffffff
396 };
397 #define BARTS_MGCG_ENABLE_LENGTH sizeof(barts_mgcg_enable) / (3 * sizeof(u32))
398 
399 //********* CAICOS **************//
400 static const u32 caicos_cgcg_cgls_default[] =
401 {
402 	0x000008f8, 0x00000010, 0xffffffff,
403 	0x000008fc, 0x00000000, 0xffffffff,
404 	0x000008f8, 0x00000011, 0xffffffff,
405 	0x000008fc, 0x00000000, 0xffffffff,
406 	0x000008f8, 0x00000012, 0xffffffff,
407 	0x000008fc, 0x00000000, 0xffffffff,
408 	0x000008f8, 0x00000013, 0xffffffff,
409 	0x000008fc, 0x00000000, 0xffffffff,
410 	0x000008f8, 0x00000014, 0xffffffff,
411 	0x000008fc, 0x00000000, 0xffffffff,
412 	0x000008f8, 0x00000015, 0xffffffff,
413 	0x000008fc, 0x00000000, 0xffffffff,
414 	0x000008f8, 0x00000016, 0xffffffff,
415 	0x000008fc, 0x00000000, 0xffffffff,
416 	0x000008f8, 0x00000017, 0xffffffff,
417 	0x000008fc, 0x00000000, 0xffffffff,
418 	0x000008f8, 0x00000018, 0xffffffff,
419 	0x000008fc, 0x00000000, 0xffffffff,
420 	0x000008f8, 0x00000019, 0xffffffff,
421 	0x000008fc, 0x00000000, 0xffffffff,
422 	0x000008f8, 0x0000001a, 0xffffffff,
423 	0x000008fc, 0x00000000, 0xffffffff,
424 	0x000008f8, 0x0000001b, 0xffffffff,
425 	0x000008fc, 0x00000000, 0xffffffff,
426 	0x000008f8, 0x00000020, 0xffffffff,
427 	0x000008fc, 0x00000000, 0xffffffff,
428 	0x000008f8, 0x00000021, 0xffffffff,
429 	0x000008fc, 0x00000000, 0xffffffff,
430 	0x000008f8, 0x00000022, 0xffffffff,
431 	0x000008fc, 0x00000000, 0xffffffff,
432 	0x000008f8, 0x00000023, 0xffffffff,
433 	0x000008fc, 0x00000000, 0xffffffff,
434 	0x000008f8, 0x00000024, 0xffffffff,
435 	0x000008fc, 0x00000000, 0xffffffff,
436 	0x000008f8, 0x00000025, 0xffffffff,
437 	0x000008fc, 0x00000000, 0xffffffff,
438 	0x000008f8, 0x00000026, 0xffffffff,
439 	0x000008fc, 0x00000000, 0xffffffff,
440 	0x000008f8, 0x00000027, 0xffffffff,
441 	0x000008fc, 0x00000000, 0xffffffff,
442 	0x000008f8, 0x00000028, 0xffffffff,
443 	0x000008fc, 0x00000000, 0xffffffff,
444 	0x000008f8, 0x00000029, 0xffffffff,
445 	0x000008fc, 0x00000000, 0xffffffff,
446 	0x000008f8, 0x0000002a, 0xffffffff,
447 	0x000008fc, 0x00000000, 0xffffffff,
448 	0x000008f8, 0x0000002b, 0xffffffff,
449 	0x000008fc, 0x00000000, 0xffffffff
450 };
451 #define CAICOS_CGCG_CGLS_DEFAULT_LENGTH sizeof(caicos_cgcg_cgls_default) / (3 * sizeof(u32))
452 
453 static const u32 caicos_cgcg_cgls_disable[] =
454 {
455 	0x000008f8, 0x00000010, 0xffffffff,
456 	0x000008fc, 0xffffffff, 0xffffffff,
457 	0x000008f8, 0x00000011, 0xffffffff,
458 	0x000008fc, 0xffffffff, 0xffffffff,
459 	0x000008f8, 0x00000012, 0xffffffff,
460 	0x000008fc, 0xffffffff, 0xffffffff,
461 	0x000008f8, 0x00000013, 0xffffffff,
462 	0x000008fc, 0xffffffff, 0xffffffff,
463 	0x000008f8, 0x00000014, 0xffffffff,
464 	0x000008fc, 0xffffffff, 0xffffffff,
465 	0x000008f8, 0x00000015, 0xffffffff,
466 	0x000008fc, 0xffffffff, 0xffffffff,
467 	0x000008f8, 0x00000016, 0xffffffff,
468 	0x000008fc, 0xffffffff, 0xffffffff,
469 	0x000008f8, 0x00000017, 0xffffffff,
470 	0x000008fc, 0xffffffff, 0xffffffff,
471 	0x000008f8, 0x00000018, 0xffffffff,
472 	0x000008fc, 0xffffffff, 0xffffffff,
473 	0x000008f8, 0x00000019, 0xffffffff,
474 	0x000008fc, 0xffffffff, 0xffffffff,
475 	0x000008f8, 0x0000001a, 0xffffffff,
476 	0x000008fc, 0xffffffff, 0xffffffff,
477 	0x000008f8, 0x0000001b, 0xffffffff,
478 	0x000008fc, 0xffffffff, 0xffffffff,
479 	0x000008f8, 0x00000020, 0xffffffff,
480 	0x000008fc, 0x00000000, 0xffffffff,
481 	0x000008f8, 0x00000021, 0xffffffff,
482 	0x000008fc, 0x00000000, 0xffffffff,
483 	0x000008f8, 0x00000022, 0xffffffff,
484 	0x000008fc, 0x00000000, 0xffffffff,
485 	0x000008f8, 0x00000023, 0xffffffff,
486 	0x000008fc, 0x00000000, 0xffffffff,
487 	0x000008f8, 0x00000024, 0xffffffff,
488 	0x000008fc, 0x00000000, 0xffffffff,
489 	0x000008f8, 0x00000025, 0xffffffff,
490 	0x000008fc, 0x00000000, 0xffffffff,
491 	0x000008f8, 0x00000026, 0xffffffff,
492 	0x000008fc, 0x00000000, 0xffffffff,
493 	0x000008f8, 0x00000027, 0xffffffff,
494 	0x000008fc, 0x00000000, 0xffffffff,
495 	0x000008f8, 0x00000028, 0xffffffff,
496 	0x000008fc, 0x00000000, 0xffffffff,
497 	0x000008f8, 0x00000029, 0xffffffff,
498 	0x000008fc, 0x00000000, 0xffffffff,
499 	0x000008f8, 0x0000002a, 0xffffffff,
500 	0x000008fc, 0x00000000, 0xffffffff,
501 	0x000008f8, 0x0000002b, 0xffffffff,
502 	0x000008fc, 0x00000000, 0xffffffff,
503 	0x00000644, 0x000f7912, 0x001f4180,
504 	0x00000644, 0x000f3812, 0x001f4180
505 };
506 #define CAICOS_CGCG_CGLS_DISABLE_LENGTH sizeof(caicos_cgcg_cgls_disable) / (3 * sizeof(u32))
507 
508 static const u32 caicos_cgcg_cgls_enable[] =
509 {
510 	/* 0x0000c124, 0x84180000, 0x00180000, */
511 	0x00000644, 0x000f7892, 0x001f4080,
512 	0x000008f8, 0x00000010, 0xffffffff,
513 	0x000008fc, 0x00000000, 0xffffffff,
514 	0x000008f8, 0x00000011, 0xffffffff,
515 	0x000008fc, 0x00000000, 0xffffffff,
516 	0x000008f8, 0x00000012, 0xffffffff,
517 	0x000008fc, 0x00000000, 0xffffffff,
518 	0x000008f8, 0x00000013, 0xffffffff,
519 	0x000008fc, 0x00000000, 0xffffffff,
520 	0x000008f8, 0x00000014, 0xffffffff,
521 	0x000008fc, 0x00000000, 0xffffffff,
522 	0x000008f8, 0x00000015, 0xffffffff,
523 	0x000008fc, 0x00000000, 0xffffffff,
524 	0x000008f8, 0x00000016, 0xffffffff,
525 	0x000008fc, 0x00000000, 0xffffffff,
526 	0x000008f8, 0x00000017, 0xffffffff,
527 	0x000008fc, 0x00000000, 0xffffffff,
528 	0x000008f8, 0x00000018, 0xffffffff,
529 	0x000008fc, 0x00000000, 0xffffffff,
530 	0x000008f8, 0x00000019, 0xffffffff,
531 	0x000008fc, 0x00000000, 0xffffffff,
532 	0x000008f8, 0x0000001a, 0xffffffff,
533 	0x000008fc, 0x00000000, 0xffffffff,
534 	0x000008f8, 0x0000001b, 0xffffffff,
535 	0x000008fc, 0x00000000, 0xffffffff,
536 	0x000008f8, 0x00000020, 0xffffffff,
537 	0x000008fc, 0xffffffff, 0xffffffff,
538 	0x000008f8, 0x00000021, 0xffffffff,
539 	0x000008fc, 0xffffffff, 0xffffffff,
540 	0x000008f8, 0x00000022, 0xffffffff,
541 	0x000008fc, 0xffffffff, 0xffffffff,
542 	0x000008f8, 0x00000023, 0xffffffff,
543 	0x000008fc, 0xffffffff, 0xffffffff,
544 	0x000008f8, 0x00000024, 0xffffffff,
545 	0x000008fc, 0xffffffff, 0xffffffff,
546 	0x000008f8, 0x00000025, 0xffffffff,
547 	0x000008fc, 0xffffffff, 0xffffffff,
548 	0x000008f8, 0x00000026, 0xffffffff,
549 	0x000008fc, 0xffffffff, 0xffffffff,
550 	0x000008f8, 0x00000027, 0xffffffff,
551 	0x000008fc, 0xffffffff, 0xffffffff,
552 	0x000008f8, 0x00000028, 0xffffffff,
553 	0x000008fc, 0xffffffff, 0xffffffff,
554 	0x000008f8, 0x00000029, 0xffffffff,
555 	0x000008fc, 0xffffffff, 0xffffffff,
556 	0x000008f8, 0x0000002a, 0xffffffff,
557 	0x000008fc, 0xffffffff, 0xffffffff,
558 	0x000008f8, 0x0000002b, 0xffffffff,
559 	0x000008fc, 0xffffffff, 0xffffffff
560 };
561 #define CAICOS_CGCG_CGLS_ENABLE_LENGTH sizeof(caicos_cgcg_cgls_enable) / (3 * sizeof(u32))
562 
563 static const u32 caicos_mgcg_default[] =
564 {
565 	0x0000802c, 0xc0000000, 0xffffffff,
566 	0x00005448, 0x00000100, 0xffffffff,
567 	0x000055e4, 0x00600100, 0xffffffff,
568 	0x0000160c, 0x00000100, 0xffffffff,
569 	0x0000c164, 0x00000100, 0xffffffff,
570 	0x00008a18, 0x00000100, 0xffffffff,
571 	0x0000897c, 0x06000100, 0xffffffff,
572 	0x00008b28, 0x00000100, 0xffffffff,
573 	0x00009144, 0x00000100, 0xffffffff,
574 	0x00009a60, 0x00000100, 0xffffffff,
575 	0x00009868, 0x00000100, 0xffffffff,
576 	0x00008d58, 0x00000100, 0xffffffff,
577 	0x00009510, 0x00000100, 0xffffffff,
578 	0x0000949c, 0x00000100, 0xffffffff,
579 	0x00009654, 0x00000100, 0xffffffff,
580 	0x00009030, 0x00000100, 0xffffffff,
581 	0x00009034, 0x00000100, 0xffffffff,
582 	0x00009038, 0x00000100, 0xffffffff,
583 	0x0000903c, 0x00000100, 0xffffffff,
584 	0x00009040, 0x00000100, 0xffffffff,
585 	0x0000a200, 0x00000100, 0xffffffff,
586 	0x0000a204, 0x00000100, 0xffffffff,
587 	0x0000a208, 0x00000100, 0xffffffff,
588 	0x0000a20c, 0x00000100, 0xffffffff,
589 	0x0000977c, 0x00000100, 0xffffffff,
590 	0x00003f80, 0x00000100, 0xffffffff,
591 	0x0000a210, 0x00000100, 0xffffffff,
592 	0x0000a214, 0x00000100, 0xffffffff,
593 	0x000004d8, 0x00000100, 0xffffffff,
594 	0x00009784, 0x00000100, 0xffffffff,
595 	0x00009698, 0x00000100, 0xffffffff,
596 	0x000004d4, 0x00000200, 0xffffffff,
597 	0x000004d0, 0x00000000, 0xffffffff,
598 	0x000030cc, 0x00000100, 0xffffffff,
599 	0x0000d0c0, 0xff000100, 0xffffffff,
600 	0x0000915c, 0x00010000, 0xffffffff,
601 	0x00009160, 0x00030002, 0xffffffff,
602 	0x00009164, 0x00050004, 0xffffffff,
603 	0x00009168, 0x00070006, 0xffffffff,
604 	0x00009178, 0x00070000, 0xffffffff,
605 	0x0000917c, 0x00030002, 0xffffffff,
606 	0x00009180, 0x00050004, 0xffffffff,
607 	0x0000918c, 0x00010006, 0xffffffff,
608 	0x00009190, 0x00090008, 0xffffffff,
609 	0x00009194, 0x00070000, 0xffffffff,
610 	0x00009198, 0x00030002, 0xffffffff,
611 	0x0000919c, 0x00050004, 0xffffffff,
612 	0x000091a8, 0x00010006, 0xffffffff,
613 	0x000091ac, 0x00090008, 0xffffffff,
614 	0x000091e8, 0x00000000, 0xffffffff,
615 	0x00009294, 0x00000000, 0xffffffff,
616 	0x000008f8, 0x00000010, 0xffffffff,
617 	0x000008fc, 0x00000000, 0xffffffff,
618 	0x000008f8, 0x00000011, 0xffffffff,
619 	0x000008fc, 0x00000000, 0xffffffff,
620 	0x000008f8, 0x00000012, 0xffffffff,
621 	0x000008fc, 0x00000000, 0xffffffff,
622 	0x000008f8, 0x00000013, 0xffffffff,
623 	0x000008fc, 0x00000000, 0xffffffff,
624 	0x000008f8, 0x00000014, 0xffffffff,
625 	0x000008fc, 0x00000000, 0xffffffff,
626 	0x000008f8, 0x00000015, 0xffffffff,
627 	0x000008fc, 0x00000000, 0xffffffff,
628 	0x000008f8, 0x00000016, 0xffffffff,
629 	0x000008fc, 0x00000000, 0xffffffff,
630 	0x000008f8, 0x00000017, 0xffffffff,
631 	0x000008fc, 0x00000000, 0xffffffff,
632 	0x000008f8, 0x00000018, 0xffffffff,
633 	0x000008fc, 0x00000000, 0xffffffff,
634 	0x000008f8, 0x00000019, 0xffffffff,
635 	0x000008fc, 0x00000000, 0xffffffff,
636 	0x000008f8, 0x0000001a, 0xffffffff,
637 	0x000008fc, 0x00000000, 0xffffffff,
638 	0x000008f8, 0x0000001b, 0xffffffff,
639 	0x000008fc, 0x00000000, 0xffffffff
640 };
641 #define CAICOS_MGCG_DEFAULT_LENGTH sizeof(caicos_mgcg_default) / (3 * sizeof(u32))
642 
643 static const u32 caicos_mgcg_disable[] =
644 {
645 	0x0000802c, 0xc0000000, 0xffffffff,
646 	0x000008f8, 0x00000000, 0xffffffff,
647 	0x000008fc, 0xffffffff, 0xffffffff,
648 	0x000008f8, 0x00000001, 0xffffffff,
649 	0x000008fc, 0xffffffff, 0xffffffff,
650 	0x000008f8, 0x00000002, 0xffffffff,
651 	0x000008fc, 0xffffffff, 0xffffffff,
652 	0x000008f8, 0x00000003, 0xffffffff,
653 	0x000008fc, 0xffffffff, 0xffffffff,
654 	0x00009150, 0x00600000, 0xffffffff
655 };
656 #define CAICOS_MGCG_DISABLE_LENGTH sizeof(caicos_mgcg_disable) / (3 * sizeof(u32))
657 
658 static const u32 caicos_mgcg_enable[] =
659 {
660 	0x0000802c, 0xc0000000, 0xffffffff,
661 	0x000008f8, 0x00000000, 0xffffffff,
662 	0x000008fc, 0x00000000, 0xffffffff,
663 	0x000008f8, 0x00000001, 0xffffffff,
664 	0x000008fc, 0x00000000, 0xffffffff,
665 	0x000008f8, 0x00000002, 0xffffffff,
666 	0x000008fc, 0x00000000, 0xffffffff,
667 	0x000008f8, 0x00000003, 0xffffffff,
668 	0x000008fc, 0x00000000, 0xffffffff,
669 	0x00009150, 0x46944040, 0xffffffff
670 };
671 #define CAICOS_MGCG_ENABLE_LENGTH sizeof(caicos_mgcg_enable) / (3 * sizeof(u32))
672 
673 //********* TURKS **************//
674 static const u32 turks_cgcg_cgls_default[] =
675 {
676 	0x000008f8, 0x00000010, 0xffffffff,
677 	0x000008fc, 0x00000000, 0xffffffff,
678 	0x000008f8, 0x00000011, 0xffffffff,
679 	0x000008fc, 0x00000000, 0xffffffff,
680 	0x000008f8, 0x00000012, 0xffffffff,
681 	0x000008fc, 0x00000000, 0xffffffff,
682 	0x000008f8, 0x00000013, 0xffffffff,
683 	0x000008fc, 0x00000000, 0xffffffff,
684 	0x000008f8, 0x00000014, 0xffffffff,
685 	0x000008fc, 0x00000000, 0xffffffff,
686 	0x000008f8, 0x00000015, 0xffffffff,
687 	0x000008fc, 0x00000000, 0xffffffff,
688 	0x000008f8, 0x00000016, 0xffffffff,
689 	0x000008fc, 0x00000000, 0xffffffff,
690 	0x000008f8, 0x00000017, 0xffffffff,
691 	0x000008fc, 0x00000000, 0xffffffff,
692 	0x000008f8, 0x00000018, 0xffffffff,
693 	0x000008fc, 0x00000000, 0xffffffff,
694 	0x000008f8, 0x00000019, 0xffffffff,
695 	0x000008fc, 0x00000000, 0xffffffff,
696 	0x000008f8, 0x0000001a, 0xffffffff,
697 	0x000008fc, 0x00000000, 0xffffffff,
698 	0x000008f8, 0x0000001b, 0xffffffff,
699 	0x000008fc, 0x00000000, 0xffffffff,
700 	0x000008f8, 0x00000020, 0xffffffff,
701 	0x000008fc, 0x00000000, 0xffffffff,
702 	0x000008f8, 0x00000021, 0xffffffff,
703 	0x000008fc, 0x00000000, 0xffffffff,
704 	0x000008f8, 0x00000022, 0xffffffff,
705 	0x000008fc, 0x00000000, 0xffffffff,
706 	0x000008f8, 0x00000023, 0xffffffff,
707 	0x000008fc, 0x00000000, 0xffffffff,
708 	0x000008f8, 0x00000024, 0xffffffff,
709 	0x000008fc, 0x00000000, 0xffffffff,
710 	0x000008f8, 0x00000025, 0xffffffff,
711 	0x000008fc, 0x00000000, 0xffffffff,
712 	0x000008f8, 0x00000026, 0xffffffff,
713 	0x000008fc, 0x00000000, 0xffffffff,
714 	0x000008f8, 0x00000027, 0xffffffff,
715 	0x000008fc, 0x00000000, 0xffffffff,
716 	0x000008f8, 0x00000028, 0xffffffff,
717 	0x000008fc, 0x00000000, 0xffffffff,
718 	0x000008f8, 0x00000029, 0xffffffff,
719 	0x000008fc, 0x00000000, 0xffffffff,
720 	0x000008f8, 0x0000002a, 0xffffffff,
721 	0x000008fc, 0x00000000, 0xffffffff,
722 	0x000008f8, 0x0000002b, 0xffffffff,
723 	0x000008fc, 0x00000000, 0xffffffff
724 };
725 #define TURKS_CGCG_CGLS_DEFAULT_LENGTH  sizeof(turks_cgcg_cgls_default) / (3 * sizeof(u32))
726 
727 static const u32 turks_cgcg_cgls_disable[] =
728 {
729 	0x000008f8, 0x00000010, 0xffffffff,
730 	0x000008fc, 0xffffffff, 0xffffffff,
731 	0x000008f8, 0x00000011, 0xffffffff,
732 	0x000008fc, 0xffffffff, 0xffffffff,
733 	0x000008f8, 0x00000012, 0xffffffff,
734 	0x000008fc, 0xffffffff, 0xffffffff,
735 	0x000008f8, 0x00000013, 0xffffffff,
736 	0x000008fc, 0xffffffff, 0xffffffff,
737 	0x000008f8, 0x00000014, 0xffffffff,
738 	0x000008fc, 0xffffffff, 0xffffffff,
739 	0x000008f8, 0x00000015, 0xffffffff,
740 	0x000008fc, 0xffffffff, 0xffffffff,
741 	0x000008f8, 0x00000016, 0xffffffff,
742 	0x000008fc, 0xffffffff, 0xffffffff,
743 	0x000008f8, 0x00000017, 0xffffffff,
744 	0x000008fc, 0xffffffff, 0xffffffff,
745 	0x000008f8, 0x00000018, 0xffffffff,
746 	0x000008fc, 0xffffffff, 0xffffffff,
747 	0x000008f8, 0x00000019, 0xffffffff,
748 	0x000008fc, 0xffffffff, 0xffffffff,
749 	0x000008f8, 0x0000001a, 0xffffffff,
750 	0x000008fc, 0xffffffff, 0xffffffff,
751 	0x000008f8, 0x0000001b, 0xffffffff,
752 	0x000008fc, 0xffffffff, 0xffffffff,
753 	0x000008f8, 0x00000020, 0xffffffff,
754 	0x000008fc, 0x00000000, 0xffffffff,
755 	0x000008f8, 0x00000021, 0xffffffff,
756 	0x000008fc, 0x00000000, 0xffffffff,
757 	0x000008f8, 0x00000022, 0xffffffff,
758 	0x000008fc, 0x00000000, 0xffffffff,
759 	0x000008f8, 0x00000023, 0xffffffff,
760 	0x000008fc, 0x00000000, 0xffffffff,
761 	0x000008f8, 0x00000024, 0xffffffff,
762 	0x000008fc, 0x00000000, 0xffffffff,
763 	0x000008f8, 0x00000025, 0xffffffff,
764 	0x000008fc, 0x00000000, 0xffffffff,
765 	0x000008f8, 0x00000026, 0xffffffff,
766 	0x000008fc, 0x00000000, 0xffffffff,
767 	0x000008f8, 0x00000027, 0xffffffff,
768 	0x000008fc, 0x00000000, 0xffffffff,
769 	0x000008f8, 0x00000028, 0xffffffff,
770 	0x000008fc, 0x00000000, 0xffffffff,
771 	0x000008f8, 0x00000029, 0xffffffff,
772 	0x000008fc, 0x00000000, 0xffffffff,
773 	0x000008f8, 0x0000002a, 0xffffffff,
774 	0x000008fc, 0x00000000, 0xffffffff,
775 	0x000008f8, 0x0000002b, 0xffffffff,
776 	0x000008fc, 0x00000000, 0xffffffff,
777 	0x00000644, 0x000f7912, 0x001f4180,
778 	0x00000644, 0x000f3812, 0x001f4180
779 };
780 #define TURKS_CGCG_CGLS_DISABLE_LENGTH sizeof(turks_cgcg_cgls_disable) / (3 * sizeof(u32))
781 
782 static const u32 turks_cgcg_cgls_enable[] =
783 {
784 	/* 0x0000c124, 0x84180000, 0x00180000, */
785 	0x00000644, 0x000f7892, 0x001f4080,
786 	0x000008f8, 0x00000010, 0xffffffff,
787 	0x000008fc, 0x00000000, 0xffffffff,
788 	0x000008f8, 0x00000011, 0xffffffff,
789 	0x000008fc, 0x00000000, 0xffffffff,
790 	0x000008f8, 0x00000012, 0xffffffff,
791 	0x000008fc, 0x00000000, 0xffffffff,
792 	0x000008f8, 0x00000013, 0xffffffff,
793 	0x000008fc, 0x00000000, 0xffffffff,
794 	0x000008f8, 0x00000014, 0xffffffff,
795 	0x000008fc, 0x00000000, 0xffffffff,
796 	0x000008f8, 0x00000015, 0xffffffff,
797 	0x000008fc, 0x00000000, 0xffffffff,
798 	0x000008f8, 0x00000016, 0xffffffff,
799 	0x000008fc, 0x00000000, 0xffffffff,
800 	0x000008f8, 0x00000017, 0xffffffff,
801 	0x000008fc, 0x00000000, 0xffffffff,
802 	0x000008f8, 0x00000018, 0xffffffff,
803 	0x000008fc, 0x00000000, 0xffffffff,
804 	0x000008f8, 0x00000019, 0xffffffff,
805 	0x000008fc, 0x00000000, 0xffffffff,
806 	0x000008f8, 0x0000001a, 0xffffffff,
807 	0x000008fc, 0x00000000, 0xffffffff,
808 	0x000008f8, 0x0000001b, 0xffffffff,
809 	0x000008fc, 0x00000000, 0xffffffff,
810 	0x000008f8, 0x00000020, 0xffffffff,
811 	0x000008fc, 0xffffffff, 0xffffffff,
812 	0x000008f8, 0x00000021, 0xffffffff,
813 	0x000008fc, 0xffffffff, 0xffffffff,
814 	0x000008f8, 0x00000022, 0xffffffff,
815 	0x000008fc, 0xffffffff, 0xffffffff,
816 	0x000008f8, 0x00000023, 0xffffffff,
817 	0x000008fc, 0xffffffff, 0xffffffff,
818 	0x000008f8, 0x00000024, 0xffffffff,
819 	0x000008fc, 0xffffffff, 0xffffffff,
820 	0x000008f8, 0x00000025, 0xffffffff,
821 	0x000008fc, 0xffffffff, 0xffffffff,
822 	0x000008f8, 0x00000026, 0xffffffff,
823 	0x000008fc, 0xffffffff, 0xffffffff,
824 	0x000008f8, 0x00000027, 0xffffffff,
825 	0x000008fc, 0xffffffff, 0xffffffff,
826 	0x000008f8, 0x00000028, 0xffffffff,
827 	0x000008fc, 0xffffffff, 0xffffffff,
828 	0x000008f8, 0x00000029, 0xffffffff,
829 	0x000008fc, 0xffffffff, 0xffffffff,
830 	0x000008f8, 0x0000002a, 0xffffffff,
831 	0x000008fc, 0xffffffff, 0xffffffff,
832 	0x000008f8, 0x0000002b, 0xffffffff,
833 	0x000008fc, 0xffffffff, 0xffffffff
834 };
835 #define TURKS_CGCG_CGLS_ENABLE_LENGTH sizeof(turks_cgcg_cgls_enable) / (3 * sizeof(u32))
836 
837 // These are the sequences for turks_mgcg_shls
838 static const u32 turks_mgcg_default[] =
839 {
840 	0x0000802c, 0xc0000000, 0xffffffff,
841 	0x00005448, 0x00000100, 0xffffffff,
842 	0x000055e4, 0x00600100, 0xffffffff,
843 	0x0000160c, 0x00000100, 0xffffffff,
844 	0x0000c164, 0x00000100, 0xffffffff,
845 	0x00008a18, 0x00000100, 0xffffffff,
846 	0x0000897c, 0x06000100, 0xffffffff,
847 	0x00008b28, 0x00000100, 0xffffffff,
848 	0x00009144, 0x00000100, 0xffffffff,
849 	0x00009a60, 0x00000100, 0xffffffff,
850 	0x00009868, 0x00000100, 0xffffffff,
851 	0x00008d58, 0x00000100, 0xffffffff,
852 	0x00009510, 0x00000100, 0xffffffff,
853 	0x0000949c, 0x00000100, 0xffffffff,
854 	0x00009654, 0x00000100, 0xffffffff,
855 	0x00009030, 0x00000100, 0xffffffff,
856 	0x00009034, 0x00000100, 0xffffffff,
857 	0x00009038, 0x00000100, 0xffffffff,
858 	0x0000903c, 0x00000100, 0xffffffff,
859 	0x00009040, 0x00000100, 0xffffffff,
860 	0x0000a200, 0x00000100, 0xffffffff,
861 	0x0000a204, 0x00000100, 0xffffffff,
862 	0x0000a208, 0x00000100, 0xffffffff,
863 	0x0000a20c, 0x00000100, 0xffffffff,
864 	0x0000977c, 0x00000100, 0xffffffff,
865 	0x00003f80, 0x00000100, 0xffffffff,
866 	0x0000a210, 0x00000100, 0xffffffff,
867 	0x0000a214, 0x00000100, 0xffffffff,
868 	0x000004d8, 0x00000100, 0xffffffff,
869 	0x00009784, 0x00000100, 0xffffffff,
870 	0x00009698, 0x00000100, 0xffffffff,
871 	0x000004d4, 0x00000200, 0xffffffff,
872 	0x000004d0, 0x00000000, 0xffffffff,
873 	0x000030cc, 0x00000100, 0xffffffff,
874 	0x0000d0c0, 0x00000100, 0xffffffff,
875 	0x0000915c, 0x00010000, 0xffffffff,
876 	0x00009160, 0x00030002, 0xffffffff,
877 	0x00009164, 0x00050004, 0xffffffff,
878 	0x00009168, 0x00070006, 0xffffffff,
879 	0x00009178, 0x00070000, 0xffffffff,
880 	0x0000917c, 0x00030002, 0xffffffff,
881 	0x00009180, 0x00050004, 0xffffffff,
882 	0x0000918c, 0x00010006, 0xffffffff,
883 	0x00009190, 0x00090008, 0xffffffff,
884 	0x00009194, 0x00070000, 0xffffffff,
885 	0x00009198, 0x00030002, 0xffffffff,
886 	0x0000919c, 0x00050004, 0xffffffff,
887 	0x000091a8, 0x00010006, 0xffffffff,
888 	0x000091ac, 0x00090008, 0xffffffff,
889 	0x000091b0, 0x00070000, 0xffffffff,
890 	0x000091b4, 0x00030002, 0xffffffff,
891 	0x000091b8, 0x00050004, 0xffffffff,
892 	0x000091c4, 0x00010006, 0xffffffff,
893 	0x000091c8, 0x00090008, 0xffffffff,
894 	0x000091cc, 0x00070000, 0xffffffff,
895 	0x000091d0, 0x00030002, 0xffffffff,
896 	0x000091d4, 0x00050004, 0xffffffff,
897 	0x000091e0, 0x00010006, 0xffffffff,
898 	0x000091e4, 0x00090008, 0xffffffff,
899 	0x000091e8, 0x00000000, 0xffffffff,
900 	0x000091ec, 0x00070000, 0xffffffff,
901 	0x000091f0, 0x00030002, 0xffffffff,
902 	0x000091f4, 0x00050004, 0xffffffff,
903 	0x00009200, 0x00010006, 0xffffffff,
904 	0x00009204, 0x00090008, 0xffffffff,
905 	0x00009208, 0x00070000, 0xffffffff,
906 	0x0000920c, 0x00030002, 0xffffffff,
907 	0x00009210, 0x00050004, 0xffffffff,
908 	0x0000921c, 0x00010006, 0xffffffff,
909 	0x00009220, 0x00090008, 0xffffffff,
910 	0x00009294, 0x00000000, 0xffffffff,
911 	0x000008f8, 0x00000010, 0xffffffff,
912 	0x000008fc, 0x00000000, 0xffffffff,
913 	0x000008f8, 0x00000011, 0xffffffff,
914 	0x000008fc, 0x00000000, 0xffffffff,
915 	0x000008f8, 0x00000012, 0xffffffff,
916 	0x000008fc, 0x00000000, 0xffffffff,
917 	0x000008f8, 0x00000013, 0xffffffff,
918 	0x000008fc, 0x00000000, 0xffffffff,
919 	0x000008f8, 0x00000014, 0xffffffff,
920 	0x000008fc, 0x00000000, 0xffffffff,
921 	0x000008f8, 0x00000015, 0xffffffff,
922 	0x000008fc, 0x00000000, 0xffffffff,
923 	0x000008f8, 0x00000016, 0xffffffff,
924 	0x000008fc, 0x00000000, 0xffffffff,
925 	0x000008f8, 0x00000017, 0xffffffff,
926 	0x000008fc, 0x00000000, 0xffffffff,
927 	0x000008f8, 0x00000018, 0xffffffff,
928 	0x000008fc, 0x00000000, 0xffffffff,
929 	0x000008f8, 0x00000019, 0xffffffff,
930 	0x000008fc, 0x00000000, 0xffffffff,
931 	0x000008f8, 0x0000001a, 0xffffffff,
932 	0x000008fc, 0x00000000, 0xffffffff,
933 	0x000008f8, 0x0000001b, 0xffffffff,
934 	0x000008fc, 0x00000000, 0xffffffff
935 };
936 #define TURKS_MGCG_DEFAULT_LENGTH sizeof(turks_mgcg_default) / (3 * sizeof(u32))
937 
938 static const u32 turks_mgcg_disable[] =
939 {
940 	0x0000802c, 0xc0000000, 0xffffffff,
941 	0x000008f8, 0x00000000, 0xffffffff,
942 	0x000008fc, 0xffffffff, 0xffffffff,
943 	0x000008f8, 0x00000001, 0xffffffff,
944 	0x000008fc, 0xffffffff, 0xffffffff,
945 	0x000008f8, 0x00000002, 0xffffffff,
946 	0x000008fc, 0xffffffff, 0xffffffff,
947 	0x000008f8, 0x00000003, 0xffffffff,
948 	0x000008fc, 0xffffffff, 0xffffffff,
949 	0x00009150, 0x00600000, 0xffffffff
950 };
951 #define TURKS_MGCG_DISABLE_LENGTH sizeof(turks_mgcg_disable) / (3 * sizeof(u32))
952 
953 static const u32 turks_mgcg_enable[] =
954 {
955 	0x0000802c, 0xc0000000, 0xffffffff,
956 	0x000008f8, 0x00000000, 0xffffffff,
957 	0x000008fc, 0x00000000, 0xffffffff,
958 	0x000008f8, 0x00000001, 0xffffffff,
959 	0x000008fc, 0x00000000, 0xffffffff,
960 	0x000008f8, 0x00000002, 0xffffffff,
961 	0x000008fc, 0x00000000, 0xffffffff,
962 	0x000008f8, 0x00000003, 0xffffffff,
963 	0x000008fc, 0x00000000, 0xffffffff,
964 	0x00009150, 0x6e944000, 0xffffffff
965 };
966 #define TURKS_MGCG_ENABLE_LENGTH sizeof(turks_mgcg_enable) / (3 * sizeof(u32))
967 
968 #endif
969 
970 #ifndef BTC_SYSLS_SEQUENCE
971 #define BTC_SYSLS_SEQUENCE  100
972 
973 
974 //********* BARTS **************//
975 static const u32 barts_sysls_default[] =
976 {
977 	/* Register,   Value,     Mask bits */
978 	0x000055e8, 0x00000000, 0xffffffff,
979 	0x0000d0bc, 0x00000000, 0xffffffff,
980 	0x000015c0, 0x000c1401, 0xffffffff,
981 	0x0000264c, 0x000c0400, 0xffffffff,
982 	0x00002648, 0x000c0400, 0xffffffff,
983 	0x00002650, 0x000c0400, 0xffffffff,
984 	0x000020b8, 0x000c0400, 0xffffffff,
985 	0x000020bc, 0x000c0400, 0xffffffff,
986 	0x000020c0, 0x000c0c80, 0xffffffff,
987 	0x0000f4a0, 0x000000c0, 0xffffffff,
988 	0x0000f4a4, 0x00680fff, 0xffffffff,
989 	0x000004c8, 0x00000001, 0xffffffff,
990 	0x000064ec, 0x00000000, 0xffffffff,
991 	0x00000c7c, 0x00000000, 0xffffffff,
992 	0x00006dfc, 0x00000000, 0xffffffff
993 };
994 #define BARTS_SYSLS_DEFAULT_LENGTH sizeof(barts_sysls_default) / (3 * sizeof(u32))
995 
996 static const u32 barts_sysls_disable[] =
997 {
998 	0x000055e8, 0x00000000, 0xffffffff,
999 	0x0000d0bc, 0x00000000, 0xffffffff,
1000 	0x000015c0, 0x00041401, 0xffffffff,
1001 	0x0000264c, 0x00040400, 0xffffffff,
1002 	0x00002648, 0x00040400, 0xffffffff,
1003 	0x00002650, 0x00040400, 0xffffffff,
1004 	0x000020b8, 0x00040400, 0xffffffff,
1005 	0x000020bc, 0x00040400, 0xffffffff,
1006 	0x000020c0, 0x00040c80, 0xffffffff,
1007 	0x0000f4a0, 0x000000c0, 0xffffffff,
1008 	0x0000f4a4, 0x00680000, 0xffffffff,
1009 	0x000004c8, 0x00000001, 0xffffffff,
1010 	0x000064ec, 0x00007ffd, 0xffffffff,
1011 	0x00000c7c, 0x0000ff00, 0xffffffff,
1012 	0x00006dfc, 0x0000007f, 0xffffffff
1013 };
1014 #define BARTS_SYSLS_DISABLE_LENGTH sizeof(barts_sysls_disable) / (3 * sizeof(u32))
1015 
1016 static const u32 barts_sysls_enable[] =
1017 {
1018 	0x000055e8, 0x00000001, 0xffffffff,
1019 	0x0000d0bc, 0x00000100, 0xffffffff,
1020 	0x000015c0, 0x000c1401, 0xffffffff,
1021 	0x0000264c, 0x000c0400, 0xffffffff,
1022 	0x00002648, 0x000c0400, 0xffffffff,
1023 	0x00002650, 0x000c0400, 0xffffffff,
1024 	0x000020b8, 0x000c0400, 0xffffffff,
1025 	0x000020bc, 0x000c0400, 0xffffffff,
1026 	0x000020c0, 0x000c0c80, 0xffffffff,
1027 	0x0000f4a0, 0x000000c0, 0xffffffff,
1028 	0x0000f4a4, 0x00680fff, 0xffffffff,
1029 	0x000004c8, 0x00000000, 0xffffffff,
1030 	0x000064ec, 0x00000000, 0xffffffff,
1031 	0x00000c7c, 0x00000000, 0xffffffff,
1032 	0x00006dfc, 0x00000000, 0xffffffff
1033 };
1034 #define BARTS_SYSLS_ENABLE_LENGTH sizeof(barts_sysls_enable) / (3 * sizeof(u32))
1035 
1036 //********* CAICOS **************//
1037 static const u32 caicos_sysls_default[] =
1038 {
1039 	0x000055e8, 0x00000000, 0xffffffff,
1040 	0x0000d0bc, 0x00000000, 0xffffffff,
1041 	0x000015c0, 0x000c1401, 0xffffffff,
1042 	0x0000264c, 0x000c0400, 0xffffffff,
1043 	0x00002648, 0x000c0400, 0xffffffff,
1044 	0x00002650, 0x000c0400, 0xffffffff,
1045 	0x000020b8, 0x000c0400, 0xffffffff,
1046 	0x000020bc, 0x000c0400, 0xffffffff,
1047 	0x0000f4a0, 0x000000c0, 0xffffffff,
1048 	0x0000f4a4, 0x00680fff, 0xffffffff,
1049 	0x000004c8, 0x00000001, 0xffffffff,
1050 	0x000064ec, 0x00000000, 0xffffffff,
1051 	0x00000c7c, 0x00000000, 0xffffffff,
1052 	0x00006dfc, 0x00000000, 0xffffffff
1053 };
1054 #define CAICOS_SYSLS_DEFAULT_LENGTH sizeof(caicos_sysls_default) / (3 * sizeof(u32))
1055 
1056 static const u32 caicos_sysls_disable[] =
1057 {
1058 	0x000055e8, 0x00000000, 0xffffffff,
1059 	0x0000d0bc, 0x00000000, 0xffffffff,
1060 	0x000015c0, 0x00041401, 0xffffffff,
1061 	0x0000264c, 0x00040400, 0xffffffff,
1062 	0x00002648, 0x00040400, 0xffffffff,
1063 	0x00002650, 0x00040400, 0xffffffff,
1064 	0x000020b8, 0x00040400, 0xffffffff,
1065 	0x000020bc, 0x00040400, 0xffffffff,
1066 	0x0000f4a0, 0x000000c0, 0xffffffff,
1067 	0x0000f4a4, 0x00680000, 0xffffffff,
1068 	0x000004c8, 0x00000001, 0xffffffff,
1069 	0x000064ec, 0x00007ffd, 0xffffffff,
1070 	0x00000c7c, 0x0000ff00, 0xffffffff,
1071 	0x00006dfc, 0x0000007f, 0xffffffff
1072 };
1073 #define CAICOS_SYSLS_DISABLE_LENGTH sizeof(caicos_sysls_disable) / (3 * sizeof(u32))
1074 
1075 static const u32 caicos_sysls_enable[] =
1076 {
1077 	0x000055e8, 0x00000001, 0xffffffff,
1078 	0x0000d0bc, 0x00000100, 0xffffffff,
1079 	0x000015c0, 0x000c1401, 0xffffffff,
1080 	0x0000264c, 0x000c0400, 0xffffffff,
1081 	0x00002648, 0x000c0400, 0xffffffff,
1082 	0x00002650, 0x000c0400, 0xffffffff,
1083 	0x000020b8, 0x000c0400, 0xffffffff,
1084 	0x000020bc, 0x000c0400, 0xffffffff,
1085 	0x0000f4a0, 0x000000c0, 0xffffffff,
1086 	0x0000f4a4, 0x00680fff, 0xffffffff,
1087 	0x000064ec, 0x00000000, 0xffffffff,
1088 	0x00000c7c, 0x00000000, 0xffffffff,
1089 	0x00006dfc, 0x00000000, 0xffffffff,
1090 	0x000004c8, 0x00000000, 0xffffffff
1091 };
1092 #define CAICOS_SYSLS_ENABLE_LENGTH sizeof(caicos_sysls_enable) / (3 * sizeof(u32))
1093 
1094 //********* TURKS **************//
1095 static const u32 turks_sysls_default[] =
1096 {
1097 	0x000055e8, 0x00000000, 0xffffffff,
1098 	0x0000d0bc, 0x00000000, 0xffffffff,
1099 	0x000015c0, 0x000c1401, 0xffffffff,
1100 	0x0000264c, 0x000c0400, 0xffffffff,
1101 	0x00002648, 0x000c0400, 0xffffffff,
1102 	0x00002650, 0x000c0400, 0xffffffff,
1103 	0x000020b8, 0x000c0400, 0xffffffff,
1104 	0x000020bc, 0x000c0400, 0xffffffff,
1105 	0x000020c0, 0x000c0c80, 0xffffffff,
1106 	0x0000f4a0, 0x000000c0, 0xffffffff,
1107 	0x0000f4a4, 0x00680fff, 0xffffffff,
1108 	0x000004c8, 0x00000001, 0xffffffff,
1109 	0x000064ec, 0x00000000, 0xffffffff,
1110 	0x00000c7c, 0x00000000, 0xffffffff,
1111 	0x00006dfc, 0x00000000, 0xffffffff
1112 };
1113 #define TURKS_SYSLS_DEFAULT_LENGTH sizeof(turks_sysls_default) / (3 * sizeof(u32))
1114 
1115 static const u32 turks_sysls_disable[] =
1116 {
1117 	0x000055e8, 0x00000000, 0xffffffff,
1118 	0x0000d0bc, 0x00000000, 0xffffffff,
1119 	0x000015c0, 0x00041401, 0xffffffff,
1120 	0x0000264c, 0x00040400, 0xffffffff,
1121 	0x00002648, 0x00040400, 0xffffffff,
1122 	0x00002650, 0x00040400, 0xffffffff,
1123 	0x000020b8, 0x00040400, 0xffffffff,
1124 	0x000020bc, 0x00040400, 0xffffffff,
1125 	0x000020c0, 0x00040c80, 0xffffffff,
1126 	0x0000f4a0, 0x000000c0, 0xffffffff,
1127 	0x0000f4a4, 0x00680000, 0xffffffff,
1128 	0x000004c8, 0x00000001, 0xffffffff,
1129 	0x000064ec, 0x00007ffd, 0xffffffff,
1130 	0x00000c7c, 0x0000ff00, 0xffffffff,
1131 	0x00006dfc, 0x0000007f, 0xffffffff
1132 };
1133 #define TURKS_SYSLS_DISABLE_LENGTH sizeof(turks_sysls_disable) / (3 * sizeof(u32))
1134 
1135 static const u32 turks_sysls_enable[] =
1136 {
1137 	0x000055e8, 0x00000001, 0xffffffff,
1138 	0x0000d0bc, 0x00000100, 0xffffffff,
1139 	0x000015c0, 0x000c1401, 0xffffffff,
1140 	0x0000264c, 0x000c0400, 0xffffffff,
1141 	0x00002648, 0x000c0400, 0xffffffff,
1142 	0x00002650, 0x000c0400, 0xffffffff,
1143 	0x000020b8, 0x000c0400, 0xffffffff,
1144 	0x000020bc, 0x000c0400, 0xffffffff,
1145 	0x000020c0, 0x000c0c80, 0xffffffff,
1146 	0x0000f4a0, 0x000000c0, 0xffffffff,
1147 	0x0000f4a4, 0x00680fff, 0xffffffff,
1148 	0x000004c8, 0x00000000, 0xffffffff,
1149 	0x000064ec, 0x00000000, 0xffffffff,
1150 	0x00000c7c, 0x00000000, 0xffffffff,
1151 	0x00006dfc, 0x00000000, 0xffffffff
1152 };
1153 #define TURKS_SYSLS_ENABLE_LENGTH sizeof(turks_sysls_enable) / (3 * sizeof(u32))
1154 
1155 #endif
1156 
1157 u32 btc_valid_sclk[40] =
1158 {
1159 	5000,   10000,  15000,  20000,  25000,  30000,  35000,  40000,  45000,  50000,
1160 	55000,  60000,  65000,  70000,  75000,  80000,  85000,  90000,  95000,  100000,
1161 	105000, 110000, 11500,  120000, 125000, 130000, 135000, 140000, 145000, 150000,
1162 	155000, 160000, 165000, 170000, 175000, 180000, 185000, 190000, 195000, 200000
1163 };
1164 
1165 static const struct radeon_blacklist_clocks btc_blacklist_clocks[] = {
1166 	{ 10000, 30000, RADEON_SCLK_UP },
1167 	{ 15000, 30000, RADEON_SCLK_UP },
1168 	{ 20000, 30000, RADEON_SCLK_UP },
1169 	{ 25000, 30000, RADEON_SCLK_UP }
1170 };
1171 
1172 void btc_get_max_clock_from_voltage_dependency_table(struct radeon_clock_voltage_dependency_table *table,
1173 						     u32 *max_clock)
1174 {
1175 	u32 i, clock = 0;
1176 
1177 	if ((table == NULL) || (table->count == 0)) {
1178 		*max_clock = clock;
1179 		return;
1180 	}
1181 
1182 	for (i = 0; i < table->count; i++) {
1183 		if (clock < table->entries[i].clk)
1184 			clock = table->entries[i].clk;
1185 	}
1186 	*max_clock = clock;
1187 }
1188 
1189 void btc_apply_voltage_dependency_rules(struct radeon_clock_voltage_dependency_table *table,
1190 					u32 clock, u16 max_voltage, u16 *voltage)
1191 {
1192 	u32 i;
1193 
1194 	if ((table == NULL) || (table->count == 0))
1195 		return;
1196 
1197 	for (i= 0; i < table->count; i++) {
1198 		if (clock <= table->entries[i].clk) {
1199 			if (*voltage < table->entries[i].v)
1200 				*voltage = (u16)((table->entries[i].v < max_voltage) ?
1201 						  table->entries[i].v : max_voltage);
1202 			return;
1203 		}
1204 	}
1205 
1206 	*voltage = (*voltage > max_voltage) ? *voltage : max_voltage;
1207 }
1208 
1209 static u32 btc_find_valid_clock(struct radeon_clock_array *clocks,
1210 				u32 max_clock, u32 requested_clock)
1211 {
1212 	unsigned int i;
1213 
1214 	if ((clocks == NULL) || (clocks->count == 0))
1215 		return (requested_clock < max_clock) ? requested_clock : max_clock;
1216 
1217 	for (i = 0; i < clocks->count; i++) {
1218 		if (clocks->values[i] >= requested_clock)
1219 			return (clocks->values[i] < max_clock) ? clocks->values[i] : max_clock;
1220 	}
1221 
1222 	return (clocks->values[clocks->count - 1] < max_clock) ?
1223 		clocks->values[clocks->count - 1] : max_clock;
1224 }
1225 
1226 static u32 btc_get_valid_mclk(struct radeon_device *rdev,
1227 			      u32 max_mclk, u32 requested_mclk)
1228 {
1229 	return btc_find_valid_clock(&rdev->pm.dpm.dyn_state.valid_mclk_values,
1230 				    max_mclk, requested_mclk);
1231 }
1232 
1233 static u32 btc_get_valid_sclk(struct radeon_device *rdev,
1234 			      u32 max_sclk, u32 requested_sclk)
1235 {
1236 	return btc_find_valid_clock(&rdev->pm.dpm.dyn_state.valid_sclk_values,
1237 				    max_sclk, requested_sclk);
1238 }
1239 
1240 void btc_skip_blacklist_clocks(struct radeon_device *rdev,
1241 			       const u32 max_sclk, const u32 max_mclk,
1242 			       u32 *sclk, u32 *mclk)
1243 {
1244 	int i, num_blacklist_clocks;
1245 
1246 	if ((sclk == NULL) || (mclk == NULL))
1247 		return;
1248 
1249 	num_blacklist_clocks = ARRAY_SIZE(btc_blacklist_clocks);
1250 
1251 	for (i = 0; i < num_blacklist_clocks; i++) {
1252 		if ((btc_blacklist_clocks[i].sclk == *sclk) &&
1253 		    (btc_blacklist_clocks[i].mclk == *mclk))
1254 			break;
1255 	}
1256 
1257 	if (i < num_blacklist_clocks) {
1258 		if (btc_blacklist_clocks[i].action == RADEON_SCLK_UP) {
1259 			*sclk = btc_get_valid_sclk(rdev, max_sclk, *sclk + 1);
1260 
1261 			if (*sclk < max_sclk)
1262 				btc_skip_blacklist_clocks(rdev, max_sclk, max_mclk, sclk, mclk);
1263 		}
1264 	}
1265 }
1266 
1267 void btc_adjust_clock_combinations(struct radeon_device *rdev,
1268 				   const struct radeon_clock_and_voltage_limits *max_limits,
1269 				   struct rv7xx_pl *pl)
1270 {
1271 
1272 	if ((pl->mclk == 0) || (pl->sclk == 0))
1273 		return;
1274 
1275 	if (pl->mclk == pl->sclk)
1276 		return;
1277 
1278 	if (pl->mclk > pl->sclk) {
1279 		if (((pl->mclk + (pl->sclk - 1)) / pl->sclk) > rdev->pm.dpm.dyn_state.mclk_sclk_ratio)
1280 			pl->sclk = btc_get_valid_sclk(rdev,
1281 						      max_limits->sclk,
1282 						      (pl->mclk +
1283 						       (rdev->pm.dpm.dyn_state.mclk_sclk_ratio - 1)) /
1284 						      rdev->pm.dpm.dyn_state.mclk_sclk_ratio);
1285 	} else {
1286 		if ((pl->sclk - pl->mclk) > rdev->pm.dpm.dyn_state.sclk_mclk_delta)
1287 			pl->mclk = btc_get_valid_mclk(rdev,
1288 						      max_limits->mclk,
1289 						      pl->sclk -
1290 						      rdev->pm.dpm.dyn_state.sclk_mclk_delta);
1291 	}
1292 }
1293 
1294 static u16 btc_find_voltage(struct atom_voltage_table *table, u16 voltage)
1295 {
1296 	unsigned int i;
1297 
1298 	for (i = 0; i < table->count; i++) {
1299 		if (voltage <= table->entries[i].value)
1300 			return table->entries[i].value;
1301 	}
1302 
1303 	return table->entries[table->count - 1].value;
1304 }
1305 
1306 void btc_apply_voltage_delta_rules(struct radeon_device *rdev,
1307 				   u16 max_vddc, u16 max_vddci,
1308 				   u16 *vddc, u16 *vddci)
1309 {
1310 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1311 	u16 new_voltage;
1312 
1313 	if ((0 == *vddc) || (0 == *vddci))
1314 		return;
1315 
1316 	if (*vddc > *vddci) {
1317 		if ((*vddc - *vddci) > rdev->pm.dpm.dyn_state.vddc_vddci_delta) {
1318 			new_voltage = btc_find_voltage(&eg_pi->vddci_voltage_table,
1319 						       (*vddc - rdev->pm.dpm.dyn_state.vddc_vddci_delta));
1320 			*vddci = (new_voltage < max_vddci) ? new_voltage : max_vddci;
1321 		}
1322 	} else {
1323 		if ((*vddci - *vddc) > rdev->pm.dpm.dyn_state.vddc_vddci_delta) {
1324 			new_voltage = btc_find_voltage(&eg_pi->vddc_voltage_table,
1325 						       (*vddci - rdev->pm.dpm.dyn_state.vddc_vddci_delta));
1326 			*vddc = (new_voltage < max_vddc) ? new_voltage : max_vddc;
1327 		}
1328 	}
1329 }
1330 
1331 static void btc_enable_bif_dynamic_pcie_gen2(struct radeon_device *rdev,
1332 					     bool enable)
1333 {
1334 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1335 	u32 tmp, bif;
1336 
1337 	tmp = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
1338 	if (enable) {
1339 		if ((tmp & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
1340 		    (tmp & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
1341 			if (!pi->boot_in_gen2) {
1342 				bif = RREG32(CG_BIF_REQ_AND_RSP) & ~CG_CLIENT_REQ_MASK;
1343 				bif |= CG_CLIENT_REQ(0xd);
1344 				WREG32(CG_BIF_REQ_AND_RSP, bif);
1345 
1346 				tmp &= ~LC_HW_VOLTAGE_IF_CONTROL_MASK;
1347 				tmp |= LC_HW_VOLTAGE_IF_CONTROL(1);
1348 				tmp |= LC_GEN2_EN_STRAP;
1349 
1350 				tmp |= LC_CLR_FAILED_SPD_CHANGE_CNT;
1351 				WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
1352 				udelay(10);
1353 				tmp &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
1354 				WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
1355 			}
1356 		}
1357 	} else {
1358 		if ((tmp & LC_OTHER_SIDE_EVER_SENT_GEN2) ||
1359 		    (tmp & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
1360 			if (!pi->boot_in_gen2) {
1361 				bif = RREG32(CG_BIF_REQ_AND_RSP) & ~CG_CLIENT_REQ_MASK;
1362 				bif |= CG_CLIENT_REQ(0xd);
1363 				WREG32(CG_BIF_REQ_AND_RSP, bif);
1364 
1365 				tmp &= ~LC_HW_VOLTAGE_IF_CONTROL_MASK;
1366 				tmp &= ~LC_GEN2_EN_STRAP;
1367 			}
1368 			WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, tmp);
1369 		}
1370 	}
1371 }
1372 
1373 static void btc_enable_dynamic_pcie_gen2(struct radeon_device *rdev,
1374 					 bool enable)
1375 {
1376 	btc_enable_bif_dynamic_pcie_gen2(rdev, enable);
1377 
1378 	if (enable)
1379 		WREG32_P(GENERAL_PWRMGT, ENABLE_GEN2PCIE, ~ENABLE_GEN2PCIE);
1380 	else
1381 		WREG32_P(GENERAL_PWRMGT, 0, ~ENABLE_GEN2PCIE);
1382 }
1383 
1384 static int btc_disable_ulv(struct radeon_device *rdev)
1385 {
1386 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1387 
1388 	if (eg_pi->ulv.supported) {
1389 		if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_DisableULV) != PPSMC_Result_OK)
1390 			return -EINVAL;
1391 	}
1392 	return 0;
1393 }
1394 
1395 static int btc_populate_ulv_state(struct radeon_device *rdev,
1396 				  RV770_SMC_STATETABLE *table)
1397 {
1398 	int ret = -EINVAL;
1399 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1400 	struct rv7xx_pl *ulv_pl = eg_pi->ulv.pl;
1401 
1402 	if (ulv_pl->vddc) {
1403 		ret = cypress_convert_power_level_to_smc(rdev,
1404 							 ulv_pl,
1405 							 &table->ULVState.levels[0],
1406 							 PPSMC_DISPLAY_WATERMARK_LOW);
1407 		if (ret == 0) {
1408 			table->ULVState.levels[0].arbValue = MC_CG_ARB_FREQ_F0;
1409 			table->ULVState.levels[0].ACIndex = 1;
1410 
1411 			table->ULVState.levels[1] = table->ULVState.levels[0];
1412 			table->ULVState.levels[2] = table->ULVState.levels[0];
1413 
1414 			table->ULVState.flags |= PPSMC_SWSTATE_FLAG_DC;
1415 
1416 			WREG32(CG_ULV_CONTROL, BTC_CGULVCONTROL_DFLT);
1417 			WREG32(CG_ULV_PARAMETER, BTC_CGULVPARAMETER_DFLT);
1418 		}
1419 	}
1420 
1421 	return ret;
1422 }
1423 
1424 static int btc_populate_smc_acpi_state(struct radeon_device *rdev,
1425 				       RV770_SMC_STATETABLE *table)
1426 {
1427 	int ret = cypress_populate_smc_acpi_state(rdev, table);
1428 
1429 	if (ret == 0) {
1430 		table->ACPIState.levels[0].ACIndex = 0;
1431 		table->ACPIState.levels[1].ACIndex = 0;
1432 		table->ACPIState.levels[2].ACIndex = 0;
1433 	}
1434 
1435 	return ret;
1436 }
1437 
1438 void btc_program_mgcg_hw_sequence(struct radeon_device *rdev,
1439 				  const u32 *sequence, u32 count)
1440 {
1441 	u32 i, length = count * 3;
1442 	u32 tmp;
1443 
1444 	for (i = 0; i < length; i+=3) {
1445 		tmp = RREG32(sequence[i]);
1446 		tmp &= ~sequence[i+2];
1447 		tmp |= sequence[i+1] & sequence[i+2];
1448 		WREG32(sequence[i], tmp);
1449 	}
1450 }
1451 
1452 static void btc_cg_clock_gating_default(struct radeon_device *rdev)
1453 {
1454 	u32 count;
1455 	const u32 *p = NULL;
1456 
1457 	if (rdev->family == CHIP_BARTS) {
1458 		p = (const u32 *)&barts_cgcg_cgls_default;
1459 		count = BARTS_CGCG_CGLS_DEFAULT_LENGTH;
1460 	} else if (rdev->family == CHIP_TURKS) {
1461 		p = (const u32 *)&turks_cgcg_cgls_default;
1462 		count = TURKS_CGCG_CGLS_DEFAULT_LENGTH;
1463 	} else if (rdev->family == CHIP_CAICOS) {
1464 		p = (const u32 *)&caicos_cgcg_cgls_default;
1465 		count = CAICOS_CGCG_CGLS_DEFAULT_LENGTH;
1466 	} else
1467 		return;
1468 
1469 	btc_program_mgcg_hw_sequence(rdev, p, count);
1470 }
1471 
1472 static void btc_cg_clock_gating_enable(struct radeon_device *rdev,
1473 				       bool enable)
1474 {
1475 	u32 count;
1476 	const u32 *p = NULL;
1477 
1478 	if (enable) {
1479 		if (rdev->family == CHIP_BARTS) {
1480 			p = (const u32 *)&barts_cgcg_cgls_enable;
1481 			count = BARTS_CGCG_CGLS_ENABLE_LENGTH;
1482 		} else if (rdev->family == CHIP_TURKS) {
1483 			p = (const u32 *)&turks_cgcg_cgls_enable;
1484 			count = TURKS_CGCG_CGLS_ENABLE_LENGTH;
1485 		} else if (rdev->family == CHIP_CAICOS) {
1486 			p = (const u32 *)&caicos_cgcg_cgls_enable;
1487 			count = CAICOS_CGCG_CGLS_ENABLE_LENGTH;
1488 		} else
1489 			return;
1490 	} else {
1491 		if (rdev->family == CHIP_BARTS) {
1492 			p = (const u32 *)&barts_cgcg_cgls_disable;
1493 			count = BARTS_CGCG_CGLS_DISABLE_LENGTH;
1494 		} else if (rdev->family == CHIP_TURKS) {
1495 			p = (const u32 *)&turks_cgcg_cgls_disable;
1496 			count = TURKS_CGCG_CGLS_DISABLE_LENGTH;
1497 		} else if (rdev->family == CHIP_CAICOS) {
1498 			p = (const u32 *)&caicos_cgcg_cgls_disable;
1499 			count = CAICOS_CGCG_CGLS_DISABLE_LENGTH;
1500 		} else
1501 			return;
1502 	}
1503 
1504 	btc_program_mgcg_hw_sequence(rdev, p, count);
1505 }
1506 
1507 static void btc_mg_clock_gating_default(struct radeon_device *rdev)
1508 {
1509 	u32 count;
1510 	const u32 *p = NULL;
1511 
1512 	if (rdev->family == CHIP_BARTS) {
1513 		p = (const u32 *)&barts_mgcg_default;
1514 		count = BARTS_MGCG_DEFAULT_LENGTH;
1515 	} else if (rdev->family == CHIP_TURKS) {
1516 		p = (const u32 *)&turks_mgcg_default;
1517 		count = TURKS_MGCG_DEFAULT_LENGTH;
1518 	} else if (rdev->family == CHIP_CAICOS) {
1519 		p = (const u32 *)&caicos_mgcg_default;
1520 		count = CAICOS_MGCG_DEFAULT_LENGTH;
1521 	} else
1522 		return;
1523 
1524 	btc_program_mgcg_hw_sequence(rdev, p, count);
1525 }
1526 
1527 static void btc_mg_clock_gating_enable(struct radeon_device *rdev,
1528 				       bool enable)
1529 {
1530 	u32 count;
1531 	const u32 *p = NULL;
1532 
1533 	if (enable) {
1534 		if (rdev->family == CHIP_BARTS) {
1535 			p = (const u32 *)&barts_mgcg_enable;
1536 			count = BARTS_MGCG_ENABLE_LENGTH;
1537 		} else if (rdev->family == CHIP_TURKS) {
1538 			p = (const u32 *)&turks_mgcg_enable;
1539 			count = TURKS_MGCG_ENABLE_LENGTH;
1540 		} else if (rdev->family == CHIP_CAICOS) {
1541 			p = (const u32 *)&caicos_mgcg_enable;
1542 			count = CAICOS_MGCG_ENABLE_LENGTH;
1543 		} else
1544 			return;
1545 	} else {
1546 		if (rdev->family == CHIP_BARTS) {
1547 			p = (const u32 *)&barts_mgcg_disable[0];
1548 			count = BARTS_MGCG_DISABLE_LENGTH;
1549 		} else if (rdev->family == CHIP_TURKS) {
1550 			p = (const u32 *)&turks_mgcg_disable[0];
1551 			count = TURKS_MGCG_DISABLE_LENGTH;
1552 		} else if (rdev->family == CHIP_CAICOS) {
1553 			p = (const u32 *)&caicos_mgcg_disable[0];
1554 			count = CAICOS_MGCG_DISABLE_LENGTH;
1555 		} else
1556 			return;
1557 	}
1558 
1559 	btc_program_mgcg_hw_sequence(rdev, p, count);
1560 }
1561 
1562 static void btc_ls_clock_gating_default(struct radeon_device *rdev)
1563 {
1564 	u32 count;
1565 	const u32 *p = NULL;
1566 
1567 	if (rdev->family == CHIP_BARTS) {
1568 		p = (const u32 *)&barts_sysls_default;
1569 		count = BARTS_SYSLS_DEFAULT_LENGTH;
1570 	} else if (rdev->family == CHIP_TURKS) {
1571 		p = (const u32 *)&turks_sysls_default;
1572 		count = TURKS_SYSLS_DEFAULT_LENGTH;
1573 	} else if (rdev->family == CHIP_CAICOS) {
1574 		p = (const u32 *)&caicos_sysls_default;
1575 		count = CAICOS_SYSLS_DEFAULT_LENGTH;
1576 	} else
1577 		return;
1578 
1579 	btc_program_mgcg_hw_sequence(rdev, p, count);
1580 }
1581 
1582 static void btc_ls_clock_gating_enable(struct radeon_device *rdev,
1583 				       bool enable)
1584 {
1585 	u32 count;
1586 	const u32 *p = NULL;
1587 
1588 	if (enable) {
1589 		if (rdev->family == CHIP_BARTS) {
1590 			p = (const u32 *)&barts_sysls_enable;
1591 			count = BARTS_SYSLS_ENABLE_LENGTH;
1592 		} else if (rdev->family == CHIP_TURKS) {
1593 			p = (const u32 *)&turks_sysls_enable;
1594 			count = TURKS_SYSLS_ENABLE_LENGTH;
1595 		} else if (rdev->family == CHIP_CAICOS) {
1596 			p = (const u32 *)&caicos_sysls_enable;
1597 			count = CAICOS_SYSLS_ENABLE_LENGTH;
1598 		} else
1599 			return;
1600 	} else {
1601 		if (rdev->family == CHIP_BARTS) {
1602 			p = (const u32 *)&barts_sysls_disable;
1603 			count = BARTS_SYSLS_DISABLE_LENGTH;
1604 		} else if (rdev->family == CHIP_TURKS) {
1605 			p = (const u32 *)&turks_sysls_disable;
1606 			count = TURKS_SYSLS_DISABLE_LENGTH;
1607 		} else if (rdev->family == CHIP_CAICOS) {
1608 			p = (const u32 *)&caicos_sysls_disable;
1609 			count = CAICOS_SYSLS_DISABLE_LENGTH;
1610 		} else
1611 			return;
1612 	}
1613 
1614 	btc_program_mgcg_hw_sequence(rdev, p, count);
1615 }
1616 
1617 bool btc_dpm_enabled(struct radeon_device *rdev)
1618 {
1619 	if (rv770_is_smc_running(rdev))
1620 		return true;
1621 	else
1622 		return false;
1623 }
1624 
1625 static int btc_init_smc_table(struct radeon_device *rdev,
1626 			      struct radeon_ps *radeon_boot_state)
1627 {
1628 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1629 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1630 	RV770_SMC_STATETABLE *table = &pi->smc_statetable;
1631 	int ret;
1632 
1633 	memset(table, 0, sizeof(RV770_SMC_STATETABLE));
1634 
1635 	cypress_populate_smc_voltage_tables(rdev, table);
1636 
1637 	switch (rdev->pm.int_thermal_type) {
1638 	case THERMAL_TYPE_EVERGREEN:
1639 	case THERMAL_TYPE_EMC2103_WITH_INTERNAL:
1640 		table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_INTERNAL;
1641 		break;
1642 	case THERMAL_TYPE_NONE:
1643 		table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_NONE;
1644 		break;
1645 	default:
1646 		table->thermalProtectType = PPSMC_THERMAL_PROTECT_TYPE_EXTERNAL;
1647 		break;
1648 	}
1649 
1650 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_HARDWAREDC)
1651 		table->systemFlags |= PPSMC_SYSTEMFLAG_GPIO_DC;
1652 
1653 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_REGULATOR_HOT)
1654 		table->systemFlags |= PPSMC_SYSTEMFLAG_REGULATOR_HOT;
1655 
1656 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_STEPVDDC)
1657 		table->systemFlags |= PPSMC_SYSTEMFLAG_STEPVDDC;
1658 
1659 	if (pi->mem_gddr5)
1660 		table->systemFlags |= PPSMC_SYSTEMFLAG_GDDR5;
1661 
1662 	ret = cypress_populate_smc_initial_state(rdev, radeon_boot_state, table);
1663 	if (ret)
1664 		return ret;
1665 
1666 	if (eg_pi->sclk_deep_sleep)
1667 		WREG32_P(SCLK_PSKIP_CNTL, PSKIP_ON_ALLOW_STOP_HI(32),
1668 			 ~PSKIP_ON_ALLOW_STOP_HI_MASK);
1669 
1670 	ret = btc_populate_smc_acpi_state(rdev, table);
1671 	if (ret)
1672 		return ret;
1673 
1674 	if (eg_pi->ulv.supported) {
1675 		ret = btc_populate_ulv_state(rdev, table);
1676 		if (ret)
1677 			eg_pi->ulv.supported = false;
1678 	}
1679 
1680 	table->driverState = table->initialState;
1681 
1682 	return rv770_copy_bytes_to_smc(rdev,
1683 				       pi->state_table_start,
1684 				       (u8 *)table,
1685 				       sizeof(RV770_SMC_STATETABLE),
1686 				       pi->sram_end);
1687 }
1688 
1689 static void btc_set_at_for_uvd(struct radeon_device *rdev,
1690 			       struct radeon_ps *radeon_new_state)
1691 {
1692 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1693 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1694 	int idx = 0;
1695 
1696 	if (r600_is_uvd_state(radeon_new_state->class, radeon_new_state->class2))
1697 		idx = 1;
1698 
1699 	if ((idx == 1) && !eg_pi->smu_uvd_hs) {
1700 		pi->rlp = 10;
1701 		pi->rmp = 100;
1702 		pi->lhp = 100;
1703 		pi->lmp = 10;
1704 	} else {
1705 		pi->rlp = eg_pi->ats[idx].rlp;
1706 		pi->rmp = eg_pi->ats[idx].rmp;
1707 		pi->lhp = eg_pi->ats[idx].lhp;
1708 		pi->lmp = eg_pi->ats[idx].lmp;
1709 	}
1710 
1711 }
1712 
1713 void btc_notify_uvd_to_smc(struct radeon_device *rdev,
1714 			   struct radeon_ps *radeon_new_state)
1715 {
1716 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1717 
1718 	if (r600_is_uvd_state(radeon_new_state->class, radeon_new_state->class2)) {
1719 		rv770_write_smc_soft_register(rdev,
1720 					      RV770_SMC_SOFT_REGISTER_uvd_enabled, 1);
1721 		eg_pi->uvd_enabled = true;
1722 	} else {
1723 		rv770_write_smc_soft_register(rdev,
1724 					      RV770_SMC_SOFT_REGISTER_uvd_enabled, 0);
1725 		eg_pi->uvd_enabled = false;
1726 	}
1727 }
1728 
1729 int btc_reset_to_default(struct radeon_device *rdev)
1730 {
1731 	if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_ResetToDefaults) != PPSMC_Result_OK)
1732 		return -EINVAL;
1733 
1734 	return 0;
1735 }
1736 
1737 static void btc_stop_smc(struct radeon_device *rdev)
1738 {
1739 	int i;
1740 
1741 	for (i = 0; i < rdev->usec_timeout; i++) {
1742 		if (((RREG32(LB_SYNC_RESET_SEL) & LB_SYNC_RESET_SEL_MASK) >> LB_SYNC_RESET_SEL_SHIFT) != 1)
1743 			break;
1744 		udelay(1);
1745 	}
1746 	udelay(100);
1747 
1748 	r7xx_stop_smc(rdev);
1749 }
1750 
1751 void btc_read_arb_registers(struct radeon_device *rdev)
1752 {
1753 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1754 	struct evergreen_arb_registers *arb_registers =
1755 		&eg_pi->bootup_arb_registers;
1756 
1757 	arb_registers->mc_arb_dram_timing = RREG32(MC_ARB_DRAM_TIMING);
1758 	arb_registers->mc_arb_dram_timing2 = RREG32(MC_ARB_DRAM_TIMING2);
1759 	arb_registers->mc_arb_rfsh_rate = RREG32(MC_ARB_RFSH_RATE);
1760 	arb_registers->mc_arb_burst_time = RREG32(MC_ARB_BURST_TIME);
1761 }
1762 
1763 
1764 static void btc_set_arb0_registers(struct radeon_device *rdev,
1765 				   struct evergreen_arb_registers *arb_registers)
1766 {
1767 	u32 val;
1768 
1769 	WREG32(MC_ARB_DRAM_TIMING,  arb_registers->mc_arb_dram_timing);
1770 	WREG32(MC_ARB_DRAM_TIMING2, arb_registers->mc_arb_dram_timing2);
1771 
1772 	val = (arb_registers->mc_arb_rfsh_rate & POWERMODE0_MASK) >>
1773 		POWERMODE0_SHIFT;
1774 	WREG32_P(MC_ARB_RFSH_RATE, POWERMODE0(val), ~POWERMODE0_MASK);
1775 
1776 	val = (arb_registers->mc_arb_burst_time & STATE0_MASK) >>
1777 		STATE0_SHIFT;
1778 	WREG32_P(MC_ARB_BURST_TIME, STATE0(val), ~STATE0_MASK);
1779 }
1780 
1781 static void btc_set_boot_state_timing(struct radeon_device *rdev)
1782 {
1783 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1784 
1785 	if (eg_pi->ulv.supported)
1786 		btc_set_arb0_registers(rdev, &eg_pi->bootup_arb_registers);
1787 }
1788 
1789 static bool btc_is_state_ulv_compatible(struct radeon_device *rdev,
1790 					struct radeon_ps *radeon_state)
1791 {
1792 	struct rv7xx_ps *state = rv770_get_ps(radeon_state);
1793 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1794 	struct rv7xx_pl *ulv_pl = eg_pi->ulv.pl;
1795 
1796 	if (state->low.mclk != ulv_pl->mclk)
1797 		return false;
1798 
1799 	if (state->low.vddci != ulv_pl->vddci)
1800 		return false;
1801 
1802 	/* XXX check minclocks, etc. */
1803 
1804 	return true;
1805 }
1806 
1807 
1808 static int btc_set_ulv_dram_timing(struct radeon_device *rdev)
1809 {
1810 	u32 val;
1811 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1812 	struct rv7xx_pl *ulv_pl = eg_pi->ulv.pl;
1813 
1814 	radeon_atom_set_engine_dram_timings(rdev,
1815 					    ulv_pl->sclk,
1816 					    ulv_pl->mclk);
1817 
1818 	val = rv770_calculate_memory_refresh_rate(rdev, ulv_pl->sclk);
1819 	WREG32_P(MC_ARB_RFSH_RATE, POWERMODE0(val), ~POWERMODE0_MASK);
1820 
1821 	val = cypress_calculate_burst_time(rdev, ulv_pl->sclk, ulv_pl->mclk);
1822 	WREG32_P(MC_ARB_BURST_TIME, STATE0(val), ~STATE0_MASK);
1823 
1824 	return 0;
1825 }
1826 
1827 static int btc_enable_ulv(struct radeon_device *rdev)
1828 {
1829 	if (rv770_send_msg_to_smc(rdev, PPSMC_MSG_EnableULV) != PPSMC_Result_OK)
1830 		return -EINVAL;
1831 
1832 	return 0;
1833 }
1834 
1835 static int btc_set_power_state_conditionally_enable_ulv(struct radeon_device *rdev,
1836 							struct radeon_ps *radeon_new_state)
1837 {
1838 	int ret = 0;
1839 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
1840 
1841 	if (eg_pi->ulv.supported) {
1842 		if (btc_is_state_ulv_compatible(rdev, radeon_new_state)) {
1843 			// Set ARB[0] to reflect the DRAM timing needed for ULV.
1844 			ret = btc_set_ulv_dram_timing(rdev);
1845 			if (ret == 0)
1846 				ret = btc_enable_ulv(rdev);
1847 		}
1848 	}
1849 
1850 	return ret;
1851 }
1852 
1853 static bool btc_check_s0_mc_reg_index(u16 in_reg, u16 *out_reg)
1854 {
1855 	bool result = true;
1856 
1857 	switch (in_reg) {
1858 	case MC_SEQ_RAS_TIMING >> 2:
1859 		*out_reg = MC_SEQ_RAS_TIMING_LP >> 2;
1860 		break;
1861 	case MC_SEQ_CAS_TIMING >> 2:
1862 		*out_reg = MC_SEQ_CAS_TIMING_LP >> 2;
1863 		break;
1864 	case MC_SEQ_MISC_TIMING >> 2:
1865 		*out_reg = MC_SEQ_MISC_TIMING_LP >> 2;
1866 		break;
1867 	case MC_SEQ_MISC_TIMING2 >> 2:
1868 		*out_reg = MC_SEQ_MISC_TIMING2_LP >> 2;
1869 		break;
1870 	case MC_SEQ_RD_CTL_D0 >> 2:
1871 		*out_reg = MC_SEQ_RD_CTL_D0_LP >> 2;
1872 		break;
1873 	case MC_SEQ_RD_CTL_D1 >> 2:
1874 		*out_reg = MC_SEQ_RD_CTL_D1_LP >> 2;
1875 		break;
1876 	case MC_SEQ_WR_CTL_D0 >> 2:
1877 		*out_reg = MC_SEQ_WR_CTL_D0_LP >> 2;
1878 		break;
1879 	case MC_SEQ_WR_CTL_D1 >> 2:
1880 		*out_reg = MC_SEQ_WR_CTL_D1_LP >> 2;
1881 		break;
1882 	case MC_PMG_CMD_EMRS >> 2:
1883 		*out_reg = MC_SEQ_PMG_CMD_EMRS_LP >> 2;
1884 		break;
1885 	case MC_PMG_CMD_MRS >> 2:
1886 		*out_reg = MC_SEQ_PMG_CMD_MRS_LP >> 2;
1887 		break;
1888 	case MC_PMG_CMD_MRS1 >> 2:
1889 		*out_reg = MC_SEQ_PMG_CMD_MRS1_LP >> 2;
1890 		break;
1891 	default:
1892 		result = false;
1893 		break;
1894 	}
1895 
1896 	return result;
1897 }
1898 
1899 static void btc_set_valid_flag(struct evergreen_mc_reg_table *table)
1900 {
1901 	u8 i, j;
1902 
1903 	for (i = 0; i < table->last; i++) {
1904 		for (j = 1; j < table->num_entries; j++) {
1905 			if (table->mc_reg_table_entry[j-1].mc_data[i] !=
1906 			    table->mc_reg_table_entry[j].mc_data[i]) {
1907 				table->valid_flag |= (1 << i);
1908 				break;
1909 			}
1910 		}
1911 	}
1912 }
1913 
1914 static int btc_set_mc_special_registers(struct radeon_device *rdev,
1915 					struct evergreen_mc_reg_table *table)
1916 {
1917 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
1918 	u8 i, j, k;
1919 	u32 tmp;
1920 
1921 	for (i = 0, j = table->last; i < table->last; i++) {
1922 		switch (table->mc_reg_address[i].s1) {
1923 		case MC_SEQ_MISC1 >> 2:
1924 			tmp = RREG32(MC_PMG_CMD_EMRS);
1925 			table->mc_reg_address[j].s1 = MC_PMG_CMD_EMRS >> 2;
1926 			table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_EMRS_LP >> 2;
1927 			for (k = 0; k < table->num_entries; k++) {
1928 				table->mc_reg_table_entry[k].mc_data[j] =
1929 					((tmp & 0xffff0000)) |
1930 					((table->mc_reg_table_entry[k].mc_data[i] & 0xffff0000) >> 16);
1931 			}
1932 			j++;
1933 
1934 			if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)
1935 				return -EINVAL;
1936 
1937 			tmp = RREG32(MC_PMG_CMD_MRS);
1938 			table->mc_reg_address[j].s1 = MC_PMG_CMD_MRS >> 2;
1939 			table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_MRS_LP >> 2;
1940 			for (k = 0; k < table->num_entries; k++) {
1941 				table->mc_reg_table_entry[k].mc_data[j] =
1942 					(tmp & 0xffff0000) |
1943 					(table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
1944 				if (!pi->mem_gddr5)
1945 					table->mc_reg_table_entry[k].mc_data[j] |= 0x100;
1946 			}
1947 			j++;
1948 
1949 			if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)
1950 				return -EINVAL;
1951 			break;
1952 		case MC_SEQ_RESERVE_M >> 2:
1953 			tmp = RREG32(MC_PMG_CMD_MRS1);
1954 			table->mc_reg_address[j].s1 = MC_PMG_CMD_MRS1 >> 2;
1955 			table->mc_reg_address[j].s0 = MC_SEQ_PMG_CMD_MRS1_LP >> 2;
1956 			for (k = 0; k < table->num_entries; k++) {
1957 				table->mc_reg_table_entry[k].mc_data[j] =
1958 					(tmp & 0xffff0000) |
1959 					(table->mc_reg_table_entry[k].mc_data[i] & 0x0000ffff);
1960 			}
1961 			j++;
1962 
1963 			if (j >= SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)
1964 				return -EINVAL;
1965 			break;
1966 		default:
1967 			break;
1968 		}
1969 	}
1970 
1971 	table->last = j;
1972 
1973 	return 0;
1974 }
1975 
1976 static void btc_set_s0_mc_reg_index(struct evergreen_mc_reg_table *table)
1977 {
1978 	u32 i;
1979 	u16 address;
1980 
1981 	for (i = 0; i < table->last; i++) {
1982 		table->mc_reg_address[i].s0 =
1983 			btc_check_s0_mc_reg_index(table->mc_reg_address[i].s1, &address) ?
1984 			address : table->mc_reg_address[i].s1;
1985 	}
1986 }
1987 
1988 static int btc_copy_vbios_mc_reg_table(struct atom_mc_reg_table *table,
1989 				       struct evergreen_mc_reg_table *eg_table)
1990 {
1991 	u8 i, j;
1992 
1993 	if (table->last > SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE)
1994 		return -EINVAL;
1995 
1996 	if (table->num_entries > MAX_AC_TIMING_ENTRIES)
1997 		return -EINVAL;
1998 
1999 	for (i = 0; i < table->last; i++)
2000 		eg_table->mc_reg_address[i].s1 = table->mc_reg_address[i].s1;
2001 	eg_table->last = table->last;
2002 
2003 	for (i = 0; i < table->num_entries; i++) {
2004 		eg_table->mc_reg_table_entry[i].mclk_max =
2005 			table->mc_reg_table_entry[i].mclk_max;
2006 		for(j = 0; j < table->last; j++)
2007 			eg_table->mc_reg_table_entry[i].mc_data[j] =
2008 				table->mc_reg_table_entry[i].mc_data[j];
2009 	}
2010 	eg_table->num_entries = table->num_entries;
2011 
2012 	return 0;
2013 }
2014 
2015 static int btc_initialize_mc_reg_table(struct radeon_device *rdev)
2016 {
2017 	int ret;
2018 	struct atom_mc_reg_table *table;
2019 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2020 	struct evergreen_mc_reg_table *eg_table = &eg_pi->mc_reg_table;
2021 	u8 module_index = rv770_get_memory_module_index(rdev);
2022 
2023 	table = kzalloc(sizeof(struct atom_mc_reg_table), GFP_KERNEL);
2024 	if (!table)
2025 		return -ENOMEM;
2026 
2027 	/* Program additional LP registers that are no longer programmed by VBIOS */
2028 	WREG32(MC_SEQ_RAS_TIMING_LP, RREG32(MC_SEQ_RAS_TIMING));
2029 	WREG32(MC_SEQ_CAS_TIMING_LP, RREG32(MC_SEQ_CAS_TIMING));
2030 	WREG32(MC_SEQ_MISC_TIMING_LP, RREG32(MC_SEQ_MISC_TIMING));
2031 	WREG32(MC_SEQ_MISC_TIMING2_LP, RREG32(MC_SEQ_MISC_TIMING2));
2032 	WREG32(MC_SEQ_RD_CTL_D0_LP, RREG32(MC_SEQ_RD_CTL_D0));
2033 	WREG32(MC_SEQ_RD_CTL_D1_LP, RREG32(MC_SEQ_RD_CTL_D1));
2034 	WREG32(MC_SEQ_WR_CTL_D0_LP, RREG32(MC_SEQ_WR_CTL_D0));
2035 	WREG32(MC_SEQ_WR_CTL_D1_LP, RREG32(MC_SEQ_WR_CTL_D1));
2036 	WREG32(MC_SEQ_PMG_CMD_EMRS_LP, RREG32(MC_PMG_CMD_EMRS));
2037 	WREG32(MC_SEQ_PMG_CMD_MRS_LP, RREG32(MC_PMG_CMD_MRS));
2038 	WREG32(MC_SEQ_PMG_CMD_MRS1_LP, RREG32(MC_PMG_CMD_MRS1));
2039 
2040 	ret = radeon_atom_init_mc_reg_table(rdev, module_index, table);
2041 
2042 	if (ret)
2043 		goto init_mc_done;
2044 
2045 	ret = btc_copy_vbios_mc_reg_table(table, eg_table);
2046 
2047 	if (ret)
2048 		goto init_mc_done;
2049 
2050 	btc_set_s0_mc_reg_index(eg_table);
2051 	ret = btc_set_mc_special_registers(rdev, eg_table);
2052 
2053 	if (ret)
2054 		goto init_mc_done;
2055 
2056 	btc_set_valid_flag(eg_table);
2057 
2058 init_mc_done:
2059 	kfree(table);
2060 
2061 	return ret;
2062 }
2063 
2064 static void btc_init_stutter_mode(struct radeon_device *rdev)
2065 {
2066 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2067 	u32 tmp;
2068 
2069 	if (pi->mclk_stutter_mode_threshold) {
2070 		if (pi->mem_gddr5) {
2071 			tmp = RREG32(MC_PMG_AUTO_CFG);
2072 			if ((0x200 & tmp) == 0) {
2073 				tmp = (tmp & 0xfffffc0b) | 0x204;
2074 				WREG32(MC_PMG_AUTO_CFG, tmp);
2075 			}
2076 		}
2077 	}
2078 }
2079 
2080 bool btc_dpm_vblank_too_short(struct radeon_device *rdev)
2081 {
2082 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2083 	u32 vblank_time = r600_dpm_get_vblank_time(rdev);
2084 	u32 switch_limit = pi->mem_gddr5 ? 450 : 100;
2085 
2086 	if (vblank_time < switch_limit)
2087 		return true;
2088 	else
2089 		return false;
2090 
2091 }
2092 
2093 static void btc_apply_state_adjust_rules(struct radeon_device *rdev,
2094 					 struct radeon_ps *rps)
2095 {
2096 	struct rv7xx_ps *ps = rv770_get_ps(rps);
2097 	struct radeon_clock_and_voltage_limits *max_limits;
2098 	bool disable_mclk_switching;
2099 	u32 mclk, sclk;
2100 	u16 vddc, vddci;
2101 
2102 	if ((rdev->pm.dpm.new_active_crtc_count > 1) ||
2103 	    btc_dpm_vblank_too_short(rdev))
2104 		disable_mclk_switching = true;
2105 	else
2106 		disable_mclk_switching = false;
2107 
2108 	if (rdev->pm.dpm.ac_power)
2109 		max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
2110 	else
2111 		max_limits = &rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc;
2112 
2113 	if (rdev->pm.dpm.ac_power == false) {
2114 		if (ps->high.mclk > max_limits->mclk)
2115 			ps->high.mclk = max_limits->mclk;
2116 		if (ps->high.sclk > max_limits->sclk)
2117 			ps->high.sclk = max_limits->sclk;
2118 		if (ps->high.vddc > max_limits->vddc)
2119 			ps->high.vddc = max_limits->vddc;
2120 		if (ps->high.vddci > max_limits->vddci)
2121 			ps->high.vddci = max_limits->vddci;
2122 
2123 		if (ps->medium.mclk > max_limits->mclk)
2124 			ps->medium.mclk = max_limits->mclk;
2125 		if (ps->medium.sclk > max_limits->sclk)
2126 			ps->medium.sclk = max_limits->sclk;
2127 		if (ps->medium.vddc > max_limits->vddc)
2128 			ps->medium.vddc = max_limits->vddc;
2129 		if (ps->medium.vddci > max_limits->vddci)
2130 			ps->medium.vddci = max_limits->vddci;
2131 
2132 		if (ps->low.mclk > max_limits->mclk)
2133 			ps->low.mclk = max_limits->mclk;
2134 		if (ps->low.sclk > max_limits->sclk)
2135 			ps->low.sclk = max_limits->sclk;
2136 		if (ps->low.vddc > max_limits->vddc)
2137 			ps->low.vddc = max_limits->vddc;
2138 		if (ps->low.vddci > max_limits->vddci)
2139 			ps->low.vddci = max_limits->vddci;
2140 	}
2141 
2142 	/* XXX validate the min clocks required for display */
2143 
2144 	if (disable_mclk_switching) {
2145 		sclk = ps->low.sclk;
2146 		mclk = ps->high.mclk;
2147 		vddc = ps->low.vddc;
2148 		vddci = ps->high.vddci;
2149 	} else {
2150 		sclk = ps->low.sclk;
2151 		mclk = ps->low.mclk;
2152 		vddc = ps->low.vddc;
2153 		vddci = ps->low.vddci;
2154 	}
2155 
2156 	/* adjusted low state */
2157 	ps->low.sclk = sclk;
2158 	ps->low.mclk = mclk;
2159 	ps->low.vddc = vddc;
2160 	ps->low.vddci = vddci;
2161 
2162 	btc_skip_blacklist_clocks(rdev, max_limits->sclk, max_limits->mclk,
2163 				  &ps->low.sclk, &ps->low.mclk);
2164 
2165 	/* adjusted medium, high states */
2166 	if (ps->medium.sclk < ps->low.sclk)
2167 		ps->medium.sclk = ps->low.sclk;
2168 	if (ps->medium.vddc < ps->low.vddc)
2169 		ps->medium.vddc = ps->low.vddc;
2170 	if (ps->high.sclk < ps->medium.sclk)
2171 		ps->high.sclk = ps->medium.sclk;
2172 	if (ps->high.vddc < ps->medium.vddc)
2173 		ps->high.vddc = ps->medium.vddc;
2174 
2175 	if (disable_mclk_switching) {
2176 		mclk = ps->low.mclk;
2177 		if (mclk < ps->medium.mclk)
2178 			mclk = ps->medium.mclk;
2179 		if (mclk < ps->high.mclk)
2180 			mclk = ps->high.mclk;
2181 		ps->low.mclk = mclk;
2182 		ps->low.vddci = vddci;
2183 		ps->medium.mclk = mclk;
2184 		ps->medium.vddci = vddci;
2185 		ps->high.mclk = mclk;
2186 		ps->high.vddci = vddci;
2187 	} else {
2188 		if (ps->medium.mclk < ps->low.mclk)
2189 			ps->medium.mclk = ps->low.mclk;
2190 		if (ps->medium.vddci < ps->low.vddci)
2191 			ps->medium.vddci = ps->low.vddci;
2192 		if (ps->high.mclk < ps->medium.mclk)
2193 			ps->high.mclk = ps->medium.mclk;
2194 		if (ps->high.vddci < ps->medium.vddci)
2195 			ps->high.vddci = ps->medium.vddci;
2196 	}
2197 
2198 	btc_skip_blacklist_clocks(rdev, max_limits->sclk, max_limits->mclk,
2199 				  &ps->medium.sclk, &ps->medium.mclk);
2200 	btc_skip_blacklist_clocks(rdev, max_limits->sclk, max_limits->mclk,
2201 				  &ps->high.sclk, &ps->high.mclk);
2202 
2203 	btc_adjust_clock_combinations(rdev, max_limits, &ps->low);
2204 	btc_adjust_clock_combinations(rdev, max_limits, &ps->medium);
2205 	btc_adjust_clock_combinations(rdev, max_limits, &ps->high);
2206 
2207 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
2208 					   ps->low.sclk, max_limits->vddc, &ps->low.vddc);
2209 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
2210 					   ps->low.mclk, max_limits->vddci, &ps->low.vddci);
2211 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
2212 					   ps->low.mclk, max_limits->vddc, &ps->low.vddc);
2213 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk,
2214 					   rdev->clock.current_dispclk, max_limits->vddc, &ps->low.vddc);
2215 
2216 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
2217 					   ps->medium.sclk, max_limits->vddc, &ps->medium.vddc);
2218 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
2219 					   ps->medium.mclk, max_limits->vddci, &ps->medium.vddci);
2220 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
2221 					   ps->medium.mclk, max_limits->vddc, &ps->medium.vddc);
2222 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk,
2223 					   rdev->clock.current_dispclk, max_limits->vddc, &ps->medium.vddc);
2224 
2225 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
2226 					   ps->high.sclk, max_limits->vddc, &ps->high.vddc);
2227 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
2228 					   ps->high.mclk, max_limits->vddci, &ps->high.vddci);
2229 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
2230 					   ps->high.mclk, max_limits->vddc, &ps->high.vddc);
2231 	btc_apply_voltage_dependency_rules(&rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk,
2232 					   rdev->clock.current_dispclk, max_limits->vddc, &ps->high.vddc);
2233 
2234 	btc_apply_voltage_delta_rules(rdev, max_limits->vddc, max_limits->vddci,
2235 				      &ps->low.vddc, &ps->low.vddci);
2236 	btc_apply_voltage_delta_rules(rdev, max_limits->vddc, max_limits->vddci,
2237 				      &ps->medium.vddc, &ps->medium.vddci);
2238 	btc_apply_voltage_delta_rules(rdev, max_limits->vddc, max_limits->vddci,
2239 				      &ps->high.vddc, &ps->high.vddci);
2240 
2241 	if ((ps->high.vddc <= rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddc) &&
2242 	    (ps->medium.vddc <= rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddc) &&
2243 	    (ps->low.vddc <= rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.vddc))
2244 		ps->dc_compatible = true;
2245 	else
2246 		ps->dc_compatible = false;
2247 
2248 	if (ps->low.vddc < rdev->pm.dpm.dyn_state.min_vddc_for_pcie_gen2)
2249 		ps->low.flags &= ~ATOM_PPLIB_R600_FLAGS_PCIEGEN2;
2250 	if (ps->medium.vddc < rdev->pm.dpm.dyn_state.min_vddc_for_pcie_gen2)
2251 		ps->medium.flags &= ~ATOM_PPLIB_R600_FLAGS_PCIEGEN2;
2252 	if (ps->high.vddc < rdev->pm.dpm.dyn_state.min_vddc_for_pcie_gen2)
2253 		ps->high.flags &= ~ATOM_PPLIB_R600_FLAGS_PCIEGEN2;
2254 }
2255 
2256 static void btc_update_current_ps(struct radeon_device *rdev,
2257 				  struct radeon_ps *rps)
2258 {
2259 	struct rv7xx_ps *new_ps = rv770_get_ps(rps);
2260 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2261 
2262 	eg_pi->current_rps = *rps;
2263 	eg_pi->current_ps = *new_ps;
2264 	eg_pi->current_rps.ps_priv = &eg_pi->current_ps;
2265 }
2266 
2267 static void btc_update_requested_ps(struct radeon_device *rdev,
2268 				    struct radeon_ps *rps)
2269 {
2270 	struct rv7xx_ps *new_ps = rv770_get_ps(rps);
2271 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2272 
2273 	eg_pi->requested_rps = *rps;
2274 	eg_pi->requested_ps = *new_ps;
2275 	eg_pi->requested_rps.ps_priv = &eg_pi->requested_ps;
2276 }
2277 
2278 #if 0
2279 void btc_dpm_reset_asic(struct radeon_device *rdev)
2280 {
2281 	rv770_restrict_performance_levels_before_switch(rdev);
2282 	btc_disable_ulv(rdev);
2283 	btc_set_boot_state_timing(rdev);
2284 	rv770_set_boot_state(rdev);
2285 }
2286 #endif
2287 
2288 int btc_dpm_pre_set_power_state(struct radeon_device *rdev)
2289 {
2290 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2291 	struct radeon_ps requested_ps = *rdev->pm.dpm.requested_ps;
2292 	struct radeon_ps *new_ps = &requested_ps;
2293 
2294 	btc_update_requested_ps(rdev, new_ps);
2295 
2296 	btc_apply_state_adjust_rules(rdev, &eg_pi->requested_rps);
2297 
2298 	return 0;
2299 }
2300 
2301 int btc_dpm_set_power_state(struct radeon_device *rdev)
2302 {
2303 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2304 	struct radeon_ps *new_ps = &eg_pi->requested_rps;
2305 	struct radeon_ps *old_ps = &eg_pi->current_rps;
2306 	int ret;
2307 
2308 	ret = btc_disable_ulv(rdev);
2309 	btc_set_boot_state_timing(rdev);
2310 	ret = rv770_restrict_performance_levels_before_switch(rdev);
2311 	if (ret) {
2312 		DRM_ERROR("rv770_restrict_performance_levels_before_switch failed\n");
2313 		return ret;
2314 	}
2315 	if (eg_pi->pcie_performance_request)
2316 		cypress_notify_link_speed_change_before_state_change(rdev, new_ps, old_ps);
2317 
2318 	rv770_set_uvd_clock_before_set_eng_clock(rdev, new_ps, old_ps);
2319 	ret = rv770_halt_smc(rdev);
2320 	if (ret) {
2321 		DRM_ERROR("rv770_halt_smc failed\n");
2322 		return ret;
2323 	}
2324 	btc_set_at_for_uvd(rdev, new_ps);
2325 	if (eg_pi->smu_uvd_hs)
2326 		btc_notify_uvd_to_smc(rdev, new_ps);
2327 	ret = cypress_upload_sw_state(rdev, new_ps);
2328 	if (ret) {
2329 		DRM_ERROR("cypress_upload_sw_state failed\n");
2330 		return ret;
2331 	}
2332 	if (eg_pi->dynamic_ac_timing) {
2333 		ret = cypress_upload_mc_reg_table(rdev, new_ps);
2334 		if (ret) {
2335 			DRM_ERROR("cypress_upload_mc_reg_table failed\n");
2336 			return ret;
2337 		}
2338 	}
2339 
2340 	cypress_program_memory_timing_parameters(rdev, new_ps);
2341 
2342 	ret = rv770_resume_smc(rdev);
2343 	if (ret) {
2344 		DRM_ERROR("rv770_resume_smc failed\n");
2345 		return ret;
2346 	}
2347 	ret = rv770_set_sw_state(rdev);
2348 	if (ret) {
2349 		DRM_ERROR("rv770_set_sw_state failed\n");
2350 		return ret;
2351 	}
2352 	rv770_set_uvd_clock_after_set_eng_clock(rdev, new_ps, old_ps);
2353 
2354 	if (eg_pi->pcie_performance_request)
2355 		cypress_notify_link_speed_change_after_state_change(rdev, new_ps, old_ps);
2356 
2357 	ret = btc_set_power_state_conditionally_enable_ulv(rdev, new_ps);
2358 	if (ret) {
2359 		DRM_ERROR("btc_set_power_state_conditionally_enable_ulv failed\n");
2360 		return ret;
2361 	}
2362 
2363 	return 0;
2364 }
2365 
2366 void btc_dpm_post_set_power_state(struct radeon_device *rdev)
2367 {
2368 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2369 	struct radeon_ps *new_ps = &eg_pi->requested_rps;
2370 
2371 	btc_update_current_ps(rdev, new_ps);
2372 }
2373 
2374 int btc_dpm_enable(struct radeon_device *rdev)
2375 {
2376 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2377 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2378 	struct radeon_ps *boot_ps = rdev->pm.dpm.boot_ps;
2379 	int ret;
2380 
2381 	if (pi->gfx_clock_gating)
2382 		btc_cg_clock_gating_default(rdev);
2383 
2384 	if (btc_dpm_enabled(rdev))
2385 		return -EINVAL;
2386 
2387 	if (pi->mg_clock_gating)
2388 		btc_mg_clock_gating_default(rdev);
2389 
2390 	if (eg_pi->ls_clock_gating)
2391 		btc_ls_clock_gating_default(rdev);
2392 
2393 	if (pi->voltage_control) {
2394 		rv770_enable_voltage_control(rdev, true);
2395 		ret = cypress_construct_voltage_tables(rdev);
2396 		if (ret) {
2397 			DRM_ERROR("cypress_construct_voltage_tables failed\n");
2398 			return ret;
2399 		}
2400 	}
2401 
2402 	if (pi->mvdd_control) {
2403 		ret = cypress_get_mvdd_configuration(rdev);
2404 		if (ret) {
2405 			DRM_ERROR("cypress_get_mvdd_configuration failed\n");
2406 			return ret;
2407 		}
2408 	}
2409 
2410 	if (eg_pi->dynamic_ac_timing) {
2411 		ret = btc_initialize_mc_reg_table(rdev);
2412 		if (ret)
2413 			eg_pi->dynamic_ac_timing = false;
2414 	}
2415 
2416 	if (rdev->pm.dpm.platform_caps & ATOM_PP_PLATFORM_CAP_BACKBIAS)
2417 		rv770_enable_backbias(rdev, true);
2418 
2419 	if (pi->dynamic_ss)
2420 		cypress_enable_spread_spectrum(rdev, true);
2421 
2422 	if (pi->thermal_protection)
2423 		rv770_enable_thermal_protection(rdev, true);
2424 
2425 	rv770_setup_bsp(rdev);
2426 	rv770_program_git(rdev);
2427 	rv770_program_tp(rdev);
2428 	rv770_program_tpp(rdev);
2429 	rv770_program_sstp(rdev);
2430 	rv770_program_engine_speed_parameters(rdev);
2431 	cypress_enable_display_gap(rdev);
2432 	rv770_program_vc(rdev);
2433 
2434 	if (pi->dynamic_pcie_gen2)
2435 		btc_enable_dynamic_pcie_gen2(rdev, true);
2436 
2437 	ret = rv770_upload_firmware(rdev);
2438 	if (ret) {
2439 		DRM_ERROR("rv770_upload_firmware failed\n");
2440 		return ret;
2441 	}
2442 	ret = cypress_get_table_locations(rdev);
2443 	if (ret) {
2444 		DRM_ERROR("cypress_get_table_locations failed\n");
2445 		return ret;
2446 	}
2447 	ret = btc_init_smc_table(rdev, boot_ps);
2448 	if (ret)
2449 		return ret;
2450 
2451 	if (eg_pi->dynamic_ac_timing) {
2452 		ret = cypress_populate_mc_reg_table(rdev, boot_ps);
2453 		if (ret) {
2454 			DRM_ERROR("cypress_populate_mc_reg_table failed\n");
2455 			return ret;
2456 		}
2457 	}
2458 
2459 	cypress_program_response_times(rdev);
2460 	r7xx_start_smc(rdev);
2461 	ret = cypress_notify_smc_display_change(rdev, false);
2462 	if (ret) {
2463 		DRM_ERROR("cypress_notify_smc_display_change failed\n");
2464 		return ret;
2465 	}
2466 	cypress_enable_sclk_control(rdev, true);
2467 
2468 	if (eg_pi->memory_transition)
2469 		cypress_enable_mclk_control(rdev, true);
2470 
2471 	cypress_start_dpm(rdev);
2472 
2473 	if (pi->gfx_clock_gating)
2474 		btc_cg_clock_gating_enable(rdev, true);
2475 
2476 	if (pi->mg_clock_gating)
2477 		btc_mg_clock_gating_enable(rdev, true);
2478 
2479 	if (eg_pi->ls_clock_gating)
2480 		btc_ls_clock_gating_enable(rdev, true);
2481 
2482 	rv770_enable_auto_throttle_source(rdev, RADEON_DPM_AUTO_THROTTLE_SRC_THERMAL, true);
2483 
2484 	btc_init_stutter_mode(rdev);
2485 
2486 	btc_update_current_ps(rdev, rdev->pm.dpm.boot_ps);
2487 
2488 	return 0;
2489 };
2490 
2491 void btc_dpm_disable(struct radeon_device *rdev)
2492 {
2493 	struct rv7xx_power_info *pi = rv770_get_pi(rdev);
2494 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2495 
2496 	if (!btc_dpm_enabled(rdev))
2497 		return;
2498 
2499 	rv770_clear_vc(rdev);
2500 
2501 	if (pi->thermal_protection)
2502 		rv770_enable_thermal_protection(rdev, false);
2503 
2504 	if (pi->dynamic_pcie_gen2)
2505 		btc_enable_dynamic_pcie_gen2(rdev, false);
2506 
2507 	if (rdev->irq.installed &&
2508 	    r600_is_internal_thermal_sensor(rdev->pm.int_thermal_type)) {
2509 		rdev->irq.dpm_thermal = false;
2510 		radeon_irq_set(rdev);
2511 	}
2512 
2513 	if (pi->gfx_clock_gating)
2514 		btc_cg_clock_gating_enable(rdev, false);
2515 
2516 	if (pi->mg_clock_gating)
2517 		btc_mg_clock_gating_enable(rdev, false);
2518 
2519 	if (eg_pi->ls_clock_gating)
2520 		btc_ls_clock_gating_enable(rdev, false);
2521 
2522 	rv770_stop_dpm(rdev);
2523 	btc_reset_to_default(rdev);
2524 	btc_stop_smc(rdev);
2525 	cypress_enable_spread_spectrum(rdev, false);
2526 
2527 	btc_update_current_ps(rdev, rdev->pm.dpm.boot_ps);
2528 }
2529 
2530 void btc_dpm_setup_asic(struct radeon_device *rdev)
2531 {
2532 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2533 	int r;
2534 
2535 	r = ni_mc_load_microcode(rdev);
2536 	if (r)
2537 		DRM_ERROR("Failed to load MC firmware!\n");
2538 	rv770_get_memory_type(rdev);
2539 	rv740_read_clock_registers(rdev);
2540 	btc_read_arb_registers(rdev);
2541 	rv770_read_voltage_smio_registers(rdev);
2542 
2543 	if (eg_pi->pcie_performance_request)
2544 		cypress_advertise_gen2_capability(rdev);
2545 
2546 	rv770_get_pcie_gen2_status(rdev);
2547 	rv770_enable_acpi_pm(rdev);
2548 }
2549 
2550 int btc_dpm_init(struct radeon_device *rdev)
2551 {
2552 	struct rv7xx_power_info *pi;
2553 	struct evergreen_power_info *eg_pi;
2554 	struct atom_clock_dividers dividers;
2555 	int ret;
2556 
2557 	eg_pi = kzalloc(sizeof(struct evergreen_power_info), GFP_KERNEL);
2558 	if (eg_pi == NULL)
2559 		return -ENOMEM;
2560 	rdev->pm.dpm.priv = eg_pi;
2561 	pi = &eg_pi->rv7xx;
2562 
2563 	rv770_get_max_vddc(rdev);
2564 
2565 	eg_pi->ulv.supported = false;
2566 	pi->acpi_vddc = 0;
2567 	eg_pi->acpi_vddci = 0;
2568 	pi->min_vddc_in_table = 0;
2569 	pi->max_vddc_in_table = 0;
2570 
2571 	ret = r600_get_platform_caps(rdev);
2572 	if (ret)
2573 		return ret;
2574 
2575 	ret = rv7xx_parse_power_table(rdev);
2576 	if (ret)
2577 		return ret;
2578 	ret = r600_parse_extended_power_table(rdev);
2579 	if (ret)
2580 		return ret;
2581 
2582 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries =
2583 		kcalloc(4,
2584 			sizeof(struct radeon_clock_voltage_dependency_entry),
2585 			GFP_KERNEL);
2586 	if (!rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries) {
2587 		r600_free_extended_power_table(rdev);
2588 		return -ENOMEM;
2589 	}
2590 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.count = 4;
2591 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[0].clk = 0;
2592 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[0].v = 0;
2593 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[1].clk = 36000;
2594 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[1].v = 800;
2595 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[2].clk = 54000;
2596 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[2].v = 800;
2597 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[3].clk = 72000;
2598 	rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries[3].v = 800;
2599 
2600 	if (rdev->pm.dpm.voltage_response_time == 0)
2601 		rdev->pm.dpm.voltage_response_time = R600_VOLTAGERESPONSETIME_DFLT;
2602 	if (rdev->pm.dpm.backbias_response_time == 0)
2603 		rdev->pm.dpm.backbias_response_time = R600_BACKBIASRESPONSETIME_DFLT;
2604 
2605 	ret = radeon_atom_get_clock_dividers(rdev, COMPUTE_ENGINE_PLL_PARAM,
2606 					     0, false, &dividers);
2607 	if (ret)
2608 		pi->ref_div = dividers.ref_div + 1;
2609 	else
2610 		pi->ref_div = R600_REFERENCEDIVIDER_DFLT;
2611 
2612 	pi->mclk_strobe_mode_threshold = 40000;
2613 	pi->mclk_edc_enable_threshold = 40000;
2614 	eg_pi->mclk_edc_wr_enable_threshold = 40000;
2615 
2616 	pi->rlp = RV770_RLP_DFLT;
2617 	pi->rmp = RV770_RMP_DFLT;
2618 	pi->lhp = RV770_LHP_DFLT;
2619 	pi->lmp = RV770_LMP_DFLT;
2620 
2621 	eg_pi->ats[0].rlp = RV770_RLP_DFLT;
2622 	eg_pi->ats[0].rmp = RV770_RMP_DFLT;
2623 	eg_pi->ats[0].lhp = RV770_LHP_DFLT;
2624 	eg_pi->ats[0].lmp = RV770_LMP_DFLT;
2625 
2626 	eg_pi->ats[1].rlp = BTC_RLP_UVD_DFLT;
2627 	eg_pi->ats[1].rmp = BTC_RMP_UVD_DFLT;
2628 	eg_pi->ats[1].lhp = BTC_LHP_UVD_DFLT;
2629 	eg_pi->ats[1].lmp = BTC_LMP_UVD_DFLT;
2630 
2631 	eg_pi->smu_uvd_hs = true;
2632 
2633 	pi->voltage_control =
2634 		radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDC, 0);
2635 
2636 	pi->mvdd_control =
2637 		radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_MVDDC, 0);
2638 
2639 	eg_pi->vddci_control =
2640 		radeon_atom_is_voltage_gpio(rdev, SET_VOLTAGE_TYPE_ASIC_VDDCI, 0);
2641 
2642 	rv770_get_engine_memory_ss(rdev);
2643 
2644 	pi->asi = RV770_ASI_DFLT;
2645 	pi->pasi = CYPRESS_HASI_DFLT;
2646 	pi->vrc = CYPRESS_VRC_DFLT;
2647 
2648 	pi->power_gating = false;
2649 
2650 	pi->gfx_clock_gating = true;
2651 
2652 	pi->mg_clock_gating = true;
2653 	pi->mgcgtssm = true;
2654 	eg_pi->ls_clock_gating = false;
2655 	eg_pi->sclk_deep_sleep = false;
2656 
2657 	pi->dynamic_pcie_gen2 = true;
2658 
2659 	if (rdev->pm.int_thermal_type != THERMAL_TYPE_NONE)
2660 		pi->thermal_protection = true;
2661 	else
2662 		pi->thermal_protection = false;
2663 
2664 	pi->display_gap = true;
2665 
2666 	if (rdev->flags & RADEON_IS_MOBILITY)
2667 		pi->dcodt = true;
2668 	else
2669 		pi->dcodt = false;
2670 
2671 	pi->ulps = true;
2672 
2673 	eg_pi->dynamic_ac_timing = true;
2674 	eg_pi->abm = true;
2675 	eg_pi->mcls = true;
2676 	eg_pi->light_sleep = true;
2677 	eg_pi->memory_transition = true;
2678 #if defined(CONFIG_ACPI)
2679 	eg_pi->pcie_performance_request =
2680 		radeon_acpi_is_pcie_performance_request_supported(rdev);
2681 #else
2682 	eg_pi->pcie_performance_request = false;
2683 #endif
2684 
2685 	if (rdev->family == CHIP_BARTS)
2686 		eg_pi->dll_default_on = true;
2687 	else
2688 		eg_pi->dll_default_on = false;
2689 
2690 	eg_pi->sclk_deep_sleep = false;
2691 	if (ASIC_IS_LOMBOK(rdev))
2692 		pi->mclk_stutter_mode_threshold = 30000;
2693 	else
2694 		pi->mclk_stutter_mode_threshold = 0;
2695 
2696 	pi->sram_end = SMC_RAM_END;
2697 
2698 	rdev->pm.dpm.dyn_state.mclk_sclk_ratio = 4;
2699 	rdev->pm.dpm.dyn_state.vddc_vddci_delta = 200;
2700 	rdev->pm.dpm.dyn_state.min_vddc_for_pcie_gen2 = 900;
2701 	rdev->pm.dpm.dyn_state.valid_sclk_values.count = ARRAY_SIZE(btc_valid_sclk);
2702 	rdev->pm.dpm.dyn_state.valid_sclk_values.values = btc_valid_sclk;
2703 	rdev->pm.dpm.dyn_state.valid_mclk_values.count = 0;
2704 	rdev->pm.dpm.dyn_state.valid_mclk_values.values = NULL;
2705 
2706 	if (rdev->family == CHIP_TURKS)
2707 		rdev->pm.dpm.dyn_state.sclk_mclk_delta = 15000;
2708 	else
2709 		rdev->pm.dpm.dyn_state.sclk_mclk_delta = 10000;
2710 
2711 	/* make sure dc limits are valid */
2712 	if ((rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.sclk == 0) ||
2713 	    (rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc.mclk == 0))
2714 		rdev->pm.dpm.dyn_state.max_clock_voltage_on_dc =
2715 			rdev->pm.dpm.dyn_state.max_clock_voltage_on_ac;
2716 
2717 	return 0;
2718 }
2719 
2720 void btc_dpm_fini(struct radeon_device *rdev)
2721 {
2722 	int i;
2723 
2724 	for (i = 0; i < rdev->pm.dpm.num_ps; i++) {
2725 		kfree(rdev->pm.dpm.ps[i].ps_priv);
2726 	}
2727 	kfree(rdev->pm.dpm.ps);
2728 	kfree(rdev->pm.dpm.priv);
2729 	kfree(rdev->pm.dpm.dyn_state.vddc_dependency_on_dispclk.entries);
2730 	r600_free_extended_power_table(rdev);
2731 }
2732 
2733 void btc_dpm_debugfs_print_current_performance_level(struct radeon_device *rdev,
2734 						     struct seq_file *m)
2735 {
2736 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2737 	struct radeon_ps *rps = &eg_pi->current_rps;
2738 	struct rv7xx_ps *ps = rv770_get_ps(rps);
2739 	struct rv7xx_pl *pl;
2740 	u32 current_index =
2741 		(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >>
2742 		CURRENT_PROFILE_INDEX_SHIFT;
2743 
2744 	if (current_index > 2) {
2745 		seq_printf(m, "invalid dpm profile %d\n", current_index);
2746 	} else {
2747 		if (current_index == 0)
2748 			pl = &ps->low;
2749 		else if (current_index == 1)
2750 			pl = &ps->medium;
2751 		else /* current_index == 2 */
2752 			pl = &ps->high;
2753 		seq_printf(m, "uvd    vclk: %d dclk: %d\n", rps->vclk, rps->dclk);
2754 		seq_printf(m, "power level %d    sclk: %u mclk: %u vddc: %u vddci: %u\n",
2755 			   current_index, pl->sclk, pl->mclk, pl->vddc, pl->vddci);
2756 	}
2757 }
2758 
2759 u32 btc_dpm_get_current_sclk(struct radeon_device *rdev)
2760 {
2761 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2762 	struct radeon_ps *rps = &eg_pi->current_rps;
2763 	struct rv7xx_ps *ps = rv770_get_ps(rps);
2764 	struct rv7xx_pl *pl;
2765 	u32 current_index =
2766 		(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >>
2767 		CURRENT_PROFILE_INDEX_SHIFT;
2768 
2769 	if (current_index > 2) {
2770 		return 0;
2771 	} else {
2772 		if (current_index == 0)
2773 			pl = &ps->low;
2774 		else if (current_index == 1)
2775 			pl = &ps->medium;
2776 		else /* current_index == 2 */
2777 			pl = &ps->high;
2778 		return pl->sclk;
2779 	}
2780 }
2781 
2782 u32 btc_dpm_get_current_mclk(struct radeon_device *rdev)
2783 {
2784 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2785 	struct radeon_ps *rps = &eg_pi->current_rps;
2786 	struct rv7xx_ps *ps = rv770_get_ps(rps);
2787 	struct rv7xx_pl *pl;
2788 	u32 current_index =
2789 		(RREG32(TARGET_AND_CURRENT_PROFILE_INDEX) & CURRENT_PROFILE_INDEX_MASK) >>
2790 		CURRENT_PROFILE_INDEX_SHIFT;
2791 
2792 	if (current_index > 2) {
2793 		return 0;
2794 	} else {
2795 		if (current_index == 0)
2796 			pl = &ps->low;
2797 		else if (current_index == 1)
2798 			pl = &ps->medium;
2799 		else /* current_index == 2 */
2800 			pl = &ps->high;
2801 		return pl->mclk;
2802 	}
2803 }
2804 
2805 u32 btc_dpm_get_sclk(struct radeon_device *rdev, bool low)
2806 {
2807 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2808 	struct rv7xx_ps *requested_state = rv770_get_ps(&eg_pi->requested_rps);
2809 
2810 	if (low)
2811 		return requested_state->low.sclk;
2812 	else
2813 		return requested_state->high.sclk;
2814 }
2815 
2816 u32 btc_dpm_get_mclk(struct radeon_device *rdev, bool low)
2817 {
2818 	struct evergreen_power_info *eg_pi = evergreen_get_pi(rdev);
2819 	struct rv7xx_ps *requested_state = rv770_get_ps(&eg_pi->requested_rps);
2820 
2821 	if (low)
2822 		return requested_state->low.mclk;
2823 	else
2824 		return requested_state->high.mclk;
2825 }
2826