xref: /openbmc/linux/drivers/gpu/drm/radeon/si.c (revision 867a0e05)
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 #include <linux/firmware.h>
25 #include <linux/slab.h>
26 #include <linux/module.h>
27 #include <drm/drmP.h>
28 #include "radeon.h"
29 #include "radeon_asic.h"
30 #include <drm/radeon_drm.h>
31 #include "sid.h"
32 #include "atom.h"
33 #include "si_blit_shaders.h"
34 #include "clearstate_si.h"
35 #include "radeon_ucode.h"
36 
37 
38 MODULE_FIRMWARE("radeon/TAHITI_pfp.bin");
39 MODULE_FIRMWARE("radeon/TAHITI_me.bin");
40 MODULE_FIRMWARE("radeon/TAHITI_ce.bin");
41 MODULE_FIRMWARE("radeon/TAHITI_mc.bin");
42 MODULE_FIRMWARE("radeon/TAHITI_mc2.bin");
43 MODULE_FIRMWARE("radeon/TAHITI_rlc.bin");
44 MODULE_FIRMWARE("radeon/TAHITI_smc.bin");
45 
46 MODULE_FIRMWARE("radeon/tahiti_pfp.bin");
47 MODULE_FIRMWARE("radeon/tahiti_me.bin");
48 MODULE_FIRMWARE("radeon/tahiti_ce.bin");
49 MODULE_FIRMWARE("radeon/tahiti_mc.bin");
50 MODULE_FIRMWARE("radeon/tahiti_rlc.bin");
51 MODULE_FIRMWARE("radeon/tahiti_smc.bin");
52 
53 MODULE_FIRMWARE("radeon/PITCAIRN_pfp.bin");
54 MODULE_FIRMWARE("radeon/PITCAIRN_me.bin");
55 MODULE_FIRMWARE("radeon/PITCAIRN_ce.bin");
56 MODULE_FIRMWARE("radeon/PITCAIRN_mc.bin");
57 MODULE_FIRMWARE("radeon/PITCAIRN_mc2.bin");
58 MODULE_FIRMWARE("radeon/PITCAIRN_rlc.bin");
59 MODULE_FIRMWARE("radeon/PITCAIRN_smc.bin");
60 
61 MODULE_FIRMWARE("radeon/pitcairn_pfp.bin");
62 MODULE_FIRMWARE("radeon/pitcairn_me.bin");
63 MODULE_FIRMWARE("radeon/pitcairn_ce.bin");
64 MODULE_FIRMWARE("radeon/pitcairn_mc.bin");
65 MODULE_FIRMWARE("radeon/pitcairn_rlc.bin");
66 MODULE_FIRMWARE("radeon/pitcairn_smc.bin");
67 
68 MODULE_FIRMWARE("radeon/VERDE_pfp.bin");
69 MODULE_FIRMWARE("radeon/VERDE_me.bin");
70 MODULE_FIRMWARE("radeon/VERDE_ce.bin");
71 MODULE_FIRMWARE("radeon/VERDE_mc.bin");
72 MODULE_FIRMWARE("radeon/VERDE_mc2.bin");
73 MODULE_FIRMWARE("radeon/VERDE_rlc.bin");
74 MODULE_FIRMWARE("radeon/VERDE_smc.bin");
75 
76 MODULE_FIRMWARE("radeon/verde_pfp.bin");
77 MODULE_FIRMWARE("radeon/verde_me.bin");
78 MODULE_FIRMWARE("radeon/verde_ce.bin");
79 MODULE_FIRMWARE("radeon/verde_mc.bin");
80 MODULE_FIRMWARE("radeon/verde_rlc.bin");
81 MODULE_FIRMWARE("radeon/verde_smc.bin");
82 
83 MODULE_FIRMWARE("radeon/OLAND_pfp.bin");
84 MODULE_FIRMWARE("radeon/OLAND_me.bin");
85 MODULE_FIRMWARE("radeon/OLAND_ce.bin");
86 MODULE_FIRMWARE("radeon/OLAND_mc.bin");
87 MODULE_FIRMWARE("radeon/OLAND_mc2.bin");
88 MODULE_FIRMWARE("radeon/OLAND_rlc.bin");
89 MODULE_FIRMWARE("radeon/OLAND_smc.bin");
90 
91 MODULE_FIRMWARE("radeon/oland_pfp.bin");
92 MODULE_FIRMWARE("radeon/oland_me.bin");
93 MODULE_FIRMWARE("radeon/oland_ce.bin");
94 MODULE_FIRMWARE("radeon/oland_mc.bin");
95 MODULE_FIRMWARE("radeon/oland_rlc.bin");
96 MODULE_FIRMWARE("radeon/oland_smc.bin");
97 
98 MODULE_FIRMWARE("radeon/HAINAN_pfp.bin");
99 MODULE_FIRMWARE("radeon/HAINAN_me.bin");
100 MODULE_FIRMWARE("radeon/HAINAN_ce.bin");
101 MODULE_FIRMWARE("radeon/HAINAN_mc.bin");
102 MODULE_FIRMWARE("radeon/HAINAN_mc2.bin");
103 MODULE_FIRMWARE("radeon/HAINAN_rlc.bin");
104 MODULE_FIRMWARE("radeon/HAINAN_smc.bin");
105 
106 MODULE_FIRMWARE("radeon/hainan_pfp.bin");
107 MODULE_FIRMWARE("radeon/hainan_me.bin");
108 MODULE_FIRMWARE("radeon/hainan_ce.bin");
109 MODULE_FIRMWARE("radeon/hainan_mc.bin");
110 MODULE_FIRMWARE("radeon/hainan_rlc.bin");
111 MODULE_FIRMWARE("radeon/hainan_smc.bin");
112 
113 static u32 si_get_cu_active_bitmap(struct radeon_device *rdev, u32 se, u32 sh);
114 static void si_pcie_gen3_enable(struct radeon_device *rdev);
115 static void si_program_aspm(struct radeon_device *rdev);
116 extern void sumo_rlc_fini(struct radeon_device *rdev);
117 extern int sumo_rlc_init(struct radeon_device *rdev);
118 extern int r600_ih_ring_alloc(struct radeon_device *rdev);
119 extern void r600_ih_ring_fini(struct radeon_device *rdev);
120 extern void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev);
121 extern void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save);
122 extern void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save);
123 extern u32 evergreen_get_number_of_dram_channels(struct radeon_device *rdev);
124 extern void evergreen_print_gpu_status_regs(struct radeon_device *rdev);
125 extern bool evergreen_is_display_hung(struct radeon_device *rdev);
126 static void si_enable_gui_idle_interrupt(struct radeon_device *rdev,
127 					 bool enable);
128 static void si_init_pg(struct radeon_device *rdev);
129 static void si_init_cg(struct radeon_device *rdev);
130 static void si_fini_pg(struct radeon_device *rdev);
131 static void si_fini_cg(struct radeon_device *rdev);
132 static void si_rlc_stop(struct radeon_device *rdev);
133 
134 static const u32 verde_rlc_save_restore_register_list[] =
135 {
136 	(0x8000 << 16) | (0x98f4 >> 2),
137 	0x00000000,
138 	(0x8040 << 16) | (0x98f4 >> 2),
139 	0x00000000,
140 	(0x8000 << 16) | (0xe80 >> 2),
141 	0x00000000,
142 	(0x8040 << 16) | (0xe80 >> 2),
143 	0x00000000,
144 	(0x8000 << 16) | (0x89bc >> 2),
145 	0x00000000,
146 	(0x8040 << 16) | (0x89bc >> 2),
147 	0x00000000,
148 	(0x8000 << 16) | (0x8c1c >> 2),
149 	0x00000000,
150 	(0x8040 << 16) | (0x8c1c >> 2),
151 	0x00000000,
152 	(0x9c00 << 16) | (0x98f0 >> 2),
153 	0x00000000,
154 	(0x9c00 << 16) | (0xe7c >> 2),
155 	0x00000000,
156 	(0x8000 << 16) | (0x9148 >> 2),
157 	0x00000000,
158 	(0x8040 << 16) | (0x9148 >> 2),
159 	0x00000000,
160 	(0x9c00 << 16) | (0x9150 >> 2),
161 	0x00000000,
162 	(0x9c00 << 16) | (0x897c >> 2),
163 	0x00000000,
164 	(0x9c00 << 16) | (0x8d8c >> 2),
165 	0x00000000,
166 	(0x9c00 << 16) | (0xac54 >> 2),
167 	0X00000000,
168 	0x3,
169 	(0x9c00 << 16) | (0x98f8 >> 2),
170 	0x00000000,
171 	(0x9c00 << 16) | (0x9910 >> 2),
172 	0x00000000,
173 	(0x9c00 << 16) | (0x9914 >> 2),
174 	0x00000000,
175 	(0x9c00 << 16) | (0x9918 >> 2),
176 	0x00000000,
177 	(0x9c00 << 16) | (0x991c >> 2),
178 	0x00000000,
179 	(0x9c00 << 16) | (0x9920 >> 2),
180 	0x00000000,
181 	(0x9c00 << 16) | (0x9924 >> 2),
182 	0x00000000,
183 	(0x9c00 << 16) | (0x9928 >> 2),
184 	0x00000000,
185 	(0x9c00 << 16) | (0x992c >> 2),
186 	0x00000000,
187 	(0x9c00 << 16) | (0x9930 >> 2),
188 	0x00000000,
189 	(0x9c00 << 16) | (0x9934 >> 2),
190 	0x00000000,
191 	(0x9c00 << 16) | (0x9938 >> 2),
192 	0x00000000,
193 	(0x9c00 << 16) | (0x993c >> 2),
194 	0x00000000,
195 	(0x9c00 << 16) | (0x9940 >> 2),
196 	0x00000000,
197 	(0x9c00 << 16) | (0x9944 >> 2),
198 	0x00000000,
199 	(0x9c00 << 16) | (0x9948 >> 2),
200 	0x00000000,
201 	(0x9c00 << 16) | (0x994c >> 2),
202 	0x00000000,
203 	(0x9c00 << 16) | (0x9950 >> 2),
204 	0x00000000,
205 	(0x9c00 << 16) | (0x9954 >> 2),
206 	0x00000000,
207 	(0x9c00 << 16) | (0x9958 >> 2),
208 	0x00000000,
209 	(0x9c00 << 16) | (0x995c >> 2),
210 	0x00000000,
211 	(0x9c00 << 16) | (0x9960 >> 2),
212 	0x00000000,
213 	(0x9c00 << 16) | (0x9964 >> 2),
214 	0x00000000,
215 	(0x9c00 << 16) | (0x9968 >> 2),
216 	0x00000000,
217 	(0x9c00 << 16) | (0x996c >> 2),
218 	0x00000000,
219 	(0x9c00 << 16) | (0x9970 >> 2),
220 	0x00000000,
221 	(0x9c00 << 16) | (0x9974 >> 2),
222 	0x00000000,
223 	(0x9c00 << 16) | (0x9978 >> 2),
224 	0x00000000,
225 	(0x9c00 << 16) | (0x997c >> 2),
226 	0x00000000,
227 	(0x9c00 << 16) | (0x9980 >> 2),
228 	0x00000000,
229 	(0x9c00 << 16) | (0x9984 >> 2),
230 	0x00000000,
231 	(0x9c00 << 16) | (0x9988 >> 2),
232 	0x00000000,
233 	(0x9c00 << 16) | (0x998c >> 2),
234 	0x00000000,
235 	(0x9c00 << 16) | (0x8c00 >> 2),
236 	0x00000000,
237 	(0x9c00 << 16) | (0x8c14 >> 2),
238 	0x00000000,
239 	(0x9c00 << 16) | (0x8c04 >> 2),
240 	0x00000000,
241 	(0x9c00 << 16) | (0x8c08 >> 2),
242 	0x00000000,
243 	(0x8000 << 16) | (0x9b7c >> 2),
244 	0x00000000,
245 	(0x8040 << 16) | (0x9b7c >> 2),
246 	0x00000000,
247 	(0x8000 << 16) | (0xe84 >> 2),
248 	0x00000000,
249 	(0x8040 << 16) | (0xe84 >> 2),
250 	0x00000000,
251 	(0x8000 << 16) | (0x89c0 >> 2),
252 	0x00000000,
253 	(0x8040 << 16) | (0x89c0 >> 2),
254 	0x00000000,
255 	(0x8000 << 16) | (0x914c >> 2),
256 	0x00000000,
257 	(0x8040 << 16) | (0x914c >> 2),
258 	0x00000000,
259 	(0x8000 << 16) | (0x8c20 >> 2),
260 	0x00000000,
261 	(0x8040 << 16) | (0x8c20 >> 2),
262 	0x00000000,
263 	(0x8000 << 16) | (0x9354 >> 2),
264 	0x00000000,
265 	(0x8040 << 16) | (0x9354 >> 2),
266 	0x00000000,
267 	(0x9c00 << 16) | (0x9060 >> 2),
268 	0x00000000,
269 	(0x9c00 << 16) | (0x9364 >> 2),
270 	0x00000000,
271 	(0x9c00 << 16) | (0x9100 >> 2),
272 	0x00000000,
273 	(0x9c00 << 16) | (0x913c >> 2),
274 	0x00000000,
275 	(0x8000 << 16) | (0x90e0 >> 2),
276 	0x00000000,
277 	(0x8000 << 16) | (0x90e4 >> 2),
278 	0x00000000,
279 	(0x8000 << 16) | (0x90e8 >> 2),
280 	0x00000000,
281 	(0x8040 << 16) | (0x90e0 >> 2),
282 	0x00000000,
283 	(0x8040 << 16) | (0x90e4 >> 2),
284 	0x00000000,
285 	(0x8040 << 16) | (0x90e8 >> 2),
286 	0x00000000,
287 	(0x9c00 << 16) | (0x8bcc >> 2),
288 	0x00000000,
289 	(0x9c00 << 16) | (0x8b24 >> 2),
290 	0x00000000,
291 	(0x9c00 << 16) | (0x88c4 >> 2),
292 	0x00000000,
293 	(0x9c00 << 16) | (0x8e50 >> 2),
294 	0x00000000,
295 	(0x9c00 << 16) | (0x8c0c >> 2),
296 	0x00000000,
297 	(0x9c00 << 16) | (0x8e58 >> 2),
298 	0x00000000,
299 	(0x9c00 << 16) | (0x8e5c >> 2),
300 	0x00000000,
301 	(0x9c00 << 16) | (0x9508 >> 2),
302 	0x00000000,
303 	(0x9c00 << 16) | (0x950c >> 2),
304 	0x00000000,
305 	(0x9c00 << 16) | (0x9494 >> 2),
306 	0x00000000,
307 	(0x9c00 << 16) | (0xac0c >> 2),
308 	0x00000000,
309 	(0x9c00 << 16) | (0xac10 >> 2),
310 	0x00000000,
311 	(0x9c00 << 16) | (0xac14 >> 2),
312 	0x00000000,
313 	(0x9c00 << 16) | (0xae00 >> 2),
314 	0x00000000,
315 	(0x9c00 << 16) | (0xac08 >> 2),
316 	0x00000000,
317 	(0x9c00 << 16) | (0x88d4 >> 2),
318 	0x00000000,
319 	(0x9c00 << 16) | (0x88c8 >> 2),
320 	0x00000000,
321 	(0x9c00 << 16) | (0x88cc >> 2),
322 	0x00000000,
323 	(0x9c00 << 16) | (0x89b0 >> 2),
324 	0x00000000,
325 	(0x9c00 << 16) | (0x8b10 >> 2),
326 	0x00000000,
327 	(0x9c00 << 16) | (0x8a14 >> 2),
328 	0x00000000,
329 	(0x9c00 << 16) | (0x9830 >> 2),
330 	0x00000000,
331 	(0x9c00 << 16) | (0x9834 >> 2),
332 	0x00000000,
333 	(0x9c00 << 16) | (0x9838 >> 2),
334 	0x00000000,
335 	(0x9c00 << 16) | (0x9a10 >> 2),
336 	0x00000000,
337 	(0x8000 << 16) | (0x9870 >> 2),
338 	0x00000000,
339 	(0x8000 << 16) | (0x9874 >> 2),
340 	0x00000000,
341 	(0x8001 << 16) | (0x9870 >> 2),
342 	0x00000000,
343 	(0x8001 << 16) | (0x9874 >> 2),
344 	0x00000000,
345 	(0x8040 << 16) | (0x9870 >> 2),
346 	0x00000000,
347 	(0x8040 << 16) | (0x9874 >> 2),
348 	0x00000000,
349 	(0x8041 << 16) | (0x9870 >> 2),
350 	0x00000000,
351 	(0x8041 << 16) | (0x9874 >> 2),
352 	0x00000000,
353 	0x00000000
354 };
355 
356 static const u32 tahiti_golden_rlc_registers[] =
357 {
358 	0xc424, 0xffffffff, 0x00601005,
359 	0xc47c, 0xffffffff, 0x10104040,
360 	0xc488, 0xffffffff, 0x0100000a,
361 	0xc314, 0xffffffff, 0x00000800,
362 	0xc30c, 0xffffffff, 0x800000f4,
363 	0xf4a8, 0xffffffff, 0x00000000
364 };
365 
366 static const u32 tahiti_golden_registers[] =
367 {
368 	0x9a10, 0x00010000, 0x00018208,
369 	0x9830, 0xffffffff, 0x00000000,
370 	0x9834, 0xf00fffff, 0x00000400,
371 	0x9838, 0x0002021c, 0x00020200,
372 	0xc78, 0x00000080, 0x00000000,
373 	0xd030, 0x000300c0, 0x00800040,
374 	0xd830, 0x000300c0, 0x00800040,
375 	0x5bb0, 0x000000f0, 0x00000070,
376 	0x5bc0, 0x00200000, 0x50100000,
377 	0x7030, 0x31000311, 0x00000011,
378 	0x277c, 0x00000003, 0x000007ff,
379 	0x240c, 0x000007ff, 0x00000000,
380 	0x8a14, 0xf000001f, 0x00000007,
381 	0x8b24, 0xffffffff, 0x00ffffff,
382 	0x8b10, 0x0000ff0f, 0x00000000,
383 	0x28a4c, 0x07ffffff, 0x4e000000,
384 	0x28350, 0x3f3f3fff, 0x2a00126a,
385 	0x30, 0x000000ff, 0x0040,
386 	0x34, 0x00000040, 0x00004040,
387 	0x9100, 0x07ffffff, 0x03000000,
388 	0x8e88, 0x01ff1f3f, 0x00000000,
389 	0x8e84, 0x01ff1f3f, 0x00000000,
390 	0x9060, 0x0000007f, 0x00000020,
391 	0x9508, 0x00010000, 0x00010000,
392 	0xac14, 0x00000200, 0x000002fb,
393 	0xac10, 0xffffffff, 0x0000543b,
394 	0xac0c, 0xffffffff, 0xa9210876,
395 	0x88d0, 0xffffffff, 0x000fff40,
396 	0x88d4, 0x0000001f, 0x00000010,
397 	0x1410, 0x20000000, 0x20fffed8,
398 	0x15c0, 0x000c0fc0, 0x000c0400
399 };
400 
401 static const u32 tahiti_golden_registers2[] =
402 {
403 	0xc64, 0x00000001, 0x00000001
404 };
405 
406 static const u32 pitcairn_golden_rlc_registers[] =
407 {
408 	0xc424, 0xffffffff, 0x00601004,
409 	0xc47c, 0xffffffff, 0x10102020,
410 	0xc488, 0xffffffff, 0x01000020,
411 	0xc314, 0xffffffff, 0x00000800,
412 	0xc30c, 0xffffffff, 0x800000a4
413 };
414 
415 static const u32 pitcairn_golden_registers[] =
416 {
417 	0x9a10, 0x00010000, 0x00018208,
418 	0x9830, 0xffffffff, 0x00000000,
419 	0x9834, 0xf00fffff, 0x00000400,
420 	0x9838, 0x0002021c, 0x00020200,
421 	0xc78, 0x00000080, 0x00000000,
422 	0xd030, 0x000300c0, 0x00800040,
423 	0xd830, 0x000300c0, 0x00800040,
424 	0x5bb0, 0x000000f0, 0x00000070,
425 	0x5bc0, 0x00200000, 0x50100000,
426 	0x7030, 0x31000311, 0x00000011,
427 	0x2ae4, 0x00073ffe, 0x000022a2,
428 	0x240c, 0x000007ff, 0x00000000,
429 	0x8a14, 0xf000001f, 0x00000007,
430 	0x8b24, 0xffffffff, 0x00ffffff,
431 	0x8b10, 0x0000ff0f, 0x00000000,
432 	0x28a4c, 0x07ffffff, 0x4e000000,
433 	0x28350, 0x3f3f3fff, 0x2a00126a,
434 	0x30, 0x000000ff, 0x0040,
435 	0x34, 0x00000040, 0x00004040,
436 	0x9100, 0x07ffffff, 0x03000000,
437 	0x9060, 0x0000007f, 0x00000020,
438 	0x9508, 0x00010000, 0x00010000,
439 	0xac14, 0x000003ff, 0x000000f7,
440 	0xac10, 0xffffffff, 0x00000000,
441 	0xac0c, 0xffffffff, 0x32761054,
442 	0x88d4, 0x0000001f, 0x00000010,
443 	0x15c0, 0x000c0fc0, 0x000c0400
444 };
445 
446 static const u32 verde_golden_rlc_registers[] =
447 {
448 	0xc424, 0xffffffff, 0x033f1005,
449 	0xc47c, 0xffffffff, 0x10808020,
450 	0xc488, 0xffffffff, 0x00800008,
451 	0xc314, 0xffffffff, 0x00001000,
452 	0xc30c, 0xffffffff, 0x80010014
453 };
454 
455 static const u32 verde_golden_registers[] =
456 {
457 	0x9a10, 0x00010000, 0x00018208,
458 	0x9830, 0xffffffff, 0x00000000,
459 	0x9834, 0xf00fffff, 0x00000400,
460 	0x9838, 0x0002021c, 0x00020200,
461 	0xc78, 0x00000080, 0x00000000,
462 	0xd030, 0x000300c0, 0x00800040,
463 	0xd030, 0x000300c0, 0x00800040,
464 	0xd830, 0x000300c0, 0x00800040,
465 	0xd830, 0x000300c0, 0x00800040,
466 	0x5bb0, 0x000000f0, 0x00000070,
467 	0x5bc0, 0x00200000, 0x50100000,
468 	0x7030, 0x31000311, 0x00000011,
469 	0x2ae4, 0x00073ffe, 0x000022a2,
470 	0x2ae4, 0x00073ffe, 0x000022a2,
471 	0x2ae4, 0x00073ffe, 0x000022a2,
472 	0x240c, 0x000007ff, 0x00000000,
473 	0x240c, 0x000007ff, 0x00000000,
474 	0x240c, 0x000007ff, 0x00000000,
475 	0x8a14, 0xf000001f, 0x00000007,
476 	0x8a14, 0xf000001f, 0x00000007,
477 	0x8a14, 0xf000001f, 0x00000007,
478 	0x8b24, 0xffffffff, 0x00ffffff,
479 	0x8b10, 0x0000ff0f, 0x00000000,
480 	0x28a4c, 0x07ffffff, 0x4e000000,
481 	0x28350, 0x3f3f3fff, 0x0000124a,
482 	0x28350, 0x3f3f3fff, 0x0000124a,
483 	0x28350, 0x3f3f3fff, 0x0000124a,
484 	0x30, 0x000000ff, 0x0040,
485 	0x34, 0x00000040, 0x00004040,
486 	0x9100, 0x07ffffff, 0x03000000,
487 	0x9100, 0x07ffffff, 0x03000000,
488 	0x8e88, 0x01ff1f3f, 0x00000000,
489 	0x8e88, 0x01ff1f3f, 0x00000000,
490 	0x8e88, 0x01ff1f3f, 0x00000000,
491 	0x8e84, 0x01ff1f3f, 0x00000000,
492 	0x8e84, 0x01ff1f3f, 0x00000000,
493 	0x8e84, 0x01ff1f3f, 0x00000000,
494 	0x9060, 0x0000007f, 0x00000020,
495 	0x9508, 0x00010000, 0x00010000,
496 	0xac14, 0x000003ff, 0x00000003,
497 	0xac14, 0x000003ff, 0x00000003,
498 	0xac14, 0x000003ff, 0x00000003,
499 	0xac10, 0xffffffff, 0x00000000,
500 	0xac10, 0xffffffff, 0x00000000,
501 	0xac10, 0xffffffff, 0x00000000,
502 	0xac0c, 0xffffffff, 0x00001032,
503 	0xac0c, 0xffffffff, 0x00001032,
504 	0xac0c, 0xffffffff, 0x00001032,
505 	0x88d4, 0x0000001f, 0x00000010,
506 	0x88d4, 0x0000001f, 0x00000010,
507 	0x88d4, 0x0000001f, 0x00000010,
508 	0x15c0, 0x000c0fc0, 0x000c0400
509 };
510 
511 static const u32 oland_golden_rlc_registers[] =
512 {
513 	0xc424, 0xffffffff, 0x00601005,
514 	0xc47c, 0xffffffff, 0x10104040,
515 	0xc488, 0xffffffff, 0x0100000a,
516 	0xc314, 0xffffffff, 0x00000800,
517 	0xc30c, 0xffffffff, 0x800000f4
518 };
519 
520 static const u32 oland_golden_registers[] =
521 {
522 	0x9a10, 0x00010000, 0x00018208,
523 	0x9830, 0xffffffff, 0x00000000,
524 	0x9834, 0xf00fffff, 0x00000400,
525 	0x9838, 0x0002021c, 0x00020200,
526 	0xc78, 0x00000080, 0x00000000,
527 	0xd030, 0x000300c0, 0x00800040,
528 	0xd830, 0x000300c0, 0x00800040,
529 	0x5bb0, 0x000000f0, 0x00000070,
530 	0x5bc0, 0x00200000, 0x50100000,
531 	0x7030, 0x31000311, 0x00000011,
532 	0x2ae4, 0x00073ffe, 0x000022a2,
533 	0x240c, 0x000007ff, 0x00000000,
534 	0x8a14, 0xf000001f, 0x00000007,
535 	0x8b24, 0xffffffff, 0x00ffffff,
536 	0x8b10, 0x0000ff0f, 0x00000000,
537 	0x28a4c, 0x07ffffff, 0x4e000000,
538 	0x28350, 0x3f3f3fff, 0x00000082,
539 	0x30, 0x000000ff, 0x0040,
540 	0x34, 0x00000040, 0x00004040,
541 	0x9100, 0x07ffffff, 0x03000000,
542 	0x9060, 0x0000007f, 0x00000020,
543 	0x9508, 0x00010000, 0x00010000,
544 	0xac14, 0x000003ff, 0x000000f3,
545 	0xac10, 0xffffffff, 0x00000000,
546 	0xac0c, 0xffffffff, 0x00003210,
547 	0x88d4, 0x0000001f, 0x00000010,
548 	0x15c0, 0x000c0fc0, 0x000c0400
549 };
550 
551 static const u32 hainan_golden_registers[] =
552 {
553 	0x9a10, 0x00010000, 0x00018208,
554 	0x9830, 0xffffffff, 0x00000000,
555 	0x9834, 0xf00fffff, 0x00000400,
556 	0x9838, 0x0002021c, 0x00020200,
557 	0xd0c0, 0xff000fff, 0x00000100,
558 	0xd030, 0x000300c0, 0x00800040,
559 	0xd8c0, 0xff000fff, 0x00000100,
560 	0xd830, 0x000300c0, 0x00800040,
561 	0x2ae4, 0x00073ffe, 0x000022a2,
562 	0x240c, 0x000007ff, 0x00000000,
563 	0x8a14, 0xf000001f, 0x00000007,
564 	0x8b24, 0xffffffff, 0x00ffffff,
565 	0x8b10, 0x0000ff0f, 0x00000000,
566 	0x28a4c, 0x07ffffff, 0x4e000000,
567 	0x28350, 0x3f3f3fff, 0x00000000,
568 	0x30, 0x000000ff, 0x0040,
569 	0x34, 0x00000040, 0x00004040,
570 	0x9100, 0x03e00000, 0x03600000,
571 	0x9060, 0x0000007f, 0x00000020,
572 	0x9508, 0x00010000, 0x00010000,
573 	0xac14, 0x000003ff, 0x000000f1,
574 	0xac10, 0xffffffff, 0x00000000,
575 	0xac0c, 0xffffffff, 0x00003210,
576 	0x88d4, 0x0000001f, 0x00000010,
577 	0x15c0, 0x000c0fc0, 0x000c0400
578 };
579 
580 static const u32 hainan_golden_registers2[] =
581 {
582 	0x98f8, 0xffffffff, 0x02010001
583 };
584 
585 static const u32 tahiti_mgcg_cgcg_init[] =
586 {
587 	0xc400, 0xffffffff, 0xfffffffc,
588 	0x802c, 0xffffffff, 0xe0000000,
589 	0x9a60, 0xffffffff, 0x00000100,
590 	0x92a4, 0xffffffff, 0x00000100,
591 	0xc164, 0xffffffff, 0x00000100,
592 	0x9774, 0xffffffff, 0x00000100,
593 	0x8984, 0xffffffff, 0x06000100,
594 	0x8a18, 0xffffffff, 0x00000100,
595 	0x92a0, 0xffffffff, 0x00000100,
596 	0xc380, 0xffffffff, 0x00000100,
597 	0x8b28, 0xffffffff, 0x00000100,
598 	0x9144, 0xffffffff, 0x00000100,
599 	0x8d88, 0xffffffff, 0x00000100,
600 	0x8d8c, 0xffffffff, 0x00000100,
601 	0x9030, 0xffffffff, 0x00000100,
602 	0x9034, 0xffffffff, 0x00000100,
603 	0x9038, 0xffffffff, 0x00000100,
604 	0x903c, 0xffffffff, 0x00000100,
605 	0xad80, 0xffffffff, 0x00000100,
606 	0xac54, 0xffffffff, 0x00000100,
607 	0x897c, 0xffffffff, 0x06000100,
608 	0x9868, 0xffffffff, 0x00000100,
609 	0x9510, 0xffffffff, 0x00000100,
610 	0xaf04, 0xffffffff, 0x00000100,
611 	0xae04, 0xffffffff, 0x00000100,
612 	0x949c, 0xffffffff, 0x00000100,
613 	0x802c, 0xffffffff, 0xe0000000,
614 	0x9160, 0xffffffff, 0x00010000,
615 	0x9164, 0xffffffff, 0x00030002,
616 	0x9168, 0xffffffff, 0x00040007,
617 	0x916c, 0xffffffff, 0x00060005,
618 	0x9170, 0xffffffff, 0x00090008,
619 	0x9174, 0xffffffff, 0x00020001,
620 	0x9178, 0xffffffff, 0x00040003,
621 	0x917c, 0xffffffff, 0x00000007,
622 	0x9180, 0xffffffff, 0x00060005,
623 	0x9184, 0xffffffff, 0x00090008,
624 	0x9188, 0xffffffff, 0x00030002,
625 	0x918c, 0xffffffff, 0x00050004,
626 	0x9190, 0xffffffff, 0x00000008,
627 	0x9194, 0xffffffff, 0x00070006,
628 	0x9198, 0xffffffff, 0x000a0009,
629 	0x919c, 0xffffffff, 0x00040003,
630 	0x91a0, 0xffffffff, 0x00060005,
631 	0x91a4, 0xffffffff, 0x00000009,
632 	0x91a8, 0xffffffff, 0x00080007,
633 	0x91ac, 0xffffffff, 0x000b000a,
634 	0x91b0, 0xffffffff, 0x00050004,
635 	0x91b4, 0xffffffff, 0x00070006,
636 	0x91b8, 0xffffffff, 0x0008000b,
637 	0x91bc, 0xffffffff, 0x000a0009,
638 	0x91c0, 0xffffffff, 0x000d000c,
639 	0x91c4, 0xffffffff, 0x00060005,
640 	0x91c8, 0xffffffff, 0x00080007,
641 	0x91cc, 0xffffffff, 0x0000000b,
642 	0x91d0, 0xffffffff, 0x000a0009,
643 	0x91d4, 0xffffffff, 0x000d000c,
644 	0x91d8, 0xffffffff, 0x00070006,
645 	0x91dc, 0xffffffff, 0x00090008,
646 	0x91e0, 0xffffffff, 0x0000000c,
647 	0x91e4, 0xffffffff, 0x000b000a,
648 	0x91e8, 0xffffffff, 0x000e000d,
649 	0x91ec, 0xffffffff, 0x00080007,
650 	0x91f0, 0xffffffff, 0x000a0009,
651 	0x91f4, 0xffffffff, 0x0000000d,
652 	0x91f8, 0xffffffff, 0x000c000b,
653 	0x91fc, 0xffffffff, 0x000f000e,
654 	0x9200, 0xffffffff, 0x00090008,
655 	0x9204, 0xffffffff, 0x000b000a,
656 	0x9208, 0xffffffff, 0x000c000f,
657 	0x920c, 0xffffffff, 0x000e000d,
658 	0x9210, 0xffffffff, 0x00110010,
659 	0x9214, 0xffffffff, 0x000a0009,
660 	0x9218, 0xffffffff, 0x000c000b,
661 	0x921c, 0xffffffff, 0x0000000f,
662 	0x9220, 0xffffffff, 0x000e000d,
663 	0x9224, 0xffffffff, 0x00110010,
664 	0x9228, 0xffffffff, 0x000b000a,
665 	0x922c, 0xffffffff, 0x000d000c,
666 	0x9230, 0xffffffff, 0x00000010,
667 	0x9234, 0xffffffff, 0x000f000e,
668 	0x9238, 0xffffffff, 0x00120011,
669 	0x923c, 0xffffffff, 0x000c000b,
670 	0x9240, 0xffffffff, 0x000e000d,
671 	0x9244, 0xffffffff, 0x00000011,
672 	0x9248, 0xffffffff, 0x0010000f,
673 	0x924c, 0xffffffff, 0x00130012,
674 	0x9250, 0xffffffff, 0x000d000c,
675 	0x9254, 0xffffffff, 0x000f000e,
676 	0x9258, 0xffffffff, 0x00100013,
677 	0x925c, 0xffffffff, 0x00120011,
678 	0x9260, 0xffffffff, 0x00150014,
679 	0x9264, 0xffffffff, 0x000e000d,
680 	0x9268, 0xffffffff, 0x0010000f,
681 	0x926c, 0xffffffff, 0x00000013,
682 	0x9270, 0xffffffff, 0x00120011,
683 	0x9274, 0xffffffff, 0x00150014,
684 	0x9278, 0xffffffff, 0x000f000e,
685 	0x927c, 0xffffffff, 0x00110010,
686 	0x9280, 0xffffffff, 0x00000014,
687 	0x9284, 0xffffffff, 0x00130012,
688 	0x9288, 0xffffffff, 0x00160015,
689 	0x928c, 0xffffffff, 0x0010000f,
690 	0x9290, 0xffffffff, 0x00120011,
691 	0x9294, 0xffffffff, 0x00000015,
692 	0x9298, 0xffffffff, 0x00140013,
693 	0x929c, 0xffffffff, 0x00170016,
694 	0x9150, 0xffffffff, 0x96940200,
695 	0x8708, 0xffffffff, 0x00900100,
696 	0xc478, 0xffffffff, 0x00000080,
697 	0xc404, 0xffffffff, 0x0020003f,
698 	0x30, 0xffffffff, 0x0000001c,
699 	0x34, 0x000f0000, 0x000f0000,
700 	0x160c, 0xffffffff, 0x00000100,
701 	0x1024, 0xffffffff, 0x00000100,
702 	0x102c, 0x00000101, 0x00000000,
703 	0x20a8, 0xffffffff, 0x00000104,
704 	0x264c, 0x000c0000, 0x000c0000,
705 	0x2648, 0x000c0000, 0x000c0000,
706 	0x55e4, 0xff000fff, 0x00000100,
707 	0x55e8, 0x00000001, 0x00000001,
708 	0x2f50, 0x00000001, 0x00000001,
709 	0x30cc, 0xc0000fff, 0x00000104,
710 	0xc1e4, 0x00000001, 0x00000001,
711 	0xd0c0, 0xfffffff0, 0x00000100,
712 	0xd8c0, 0xfffffff0, 0x00000100
713 };
714 
715 static const u32 pitcairn_mgcg_cgcg_init[] =
716 {
717 	0xc400, 0xffffffff, 0xfffffffc,
718 	0x802c, 0xffffffff, 0xe0000000,
719 	0x9a60, 0xffffffff, 0x00000100,
720 	0x92a4, 0xffffffff, 0x00000100,
721 	0xc164, 0xffffffff, 0x00000100,
722 	0x9774, 0xffffffff, 0x00000100,
723 	0x8984, 0xffffffff, 0x06000100,
724 	0x8a18, 0xffffffff, 0x00000100,
725 	0x92a0, 0xffffffff, 0x00000100,
726 	0xc380, 0xffffffff, 0x00000100,
727 	0x8b28, 0xffffffff, 0x00000100,
728 	0x9144, 0xffffffff, 0x00000100,
729 	0x8d88, 0xffffffff, 0x00000100,
730 	0x8d8c, 0xffffffff, 0x00000100,
731 	0x9030, 0xffffffff, 0x00000100,
732 	0x9034, 0xffffffff, 0x00000100,
733 	0x9038, 0xffffffff, 0x00000100,
734 	0x903c, 0xffffffff, 0x00000100,
735 	0xad80, 0xffffffff, 0x00000100,
736 	0xac54, 0xffffffff, 0x00000100,
737 	0x897c, 0xffffffff, 0x06000100,
738 	0x9868, 0xffffffff, 0x00000100,
739 	0x9510, 0xffffffff, 0x00000100,
740 	0xaf04, 0xffffffff, 0x00000100,
741 	0xae04, 0xffffffff, 0x00000100,
742 	0x949c, 0xffffffff, 0x00000100,
743 	0x802c, 0xffffffff, 0xe0000000,
744 	0x9160, 0xffffffff, 0x00010000,
745 	0x9164, 0xffffffff, 0x00030002,
746 	0x9168, 0xffffffff, 0x00040007,
747 	0x916c, 0xffffffff, 0x00060005,
748 	0x9170, 0xffffffff, 0x00090008,
749 	0x9174, 0xffffffff, 0x00020001,
750 	0x9178, 0xffffffff, 0x00040003,
751 	0x917c, 0xffffffff, 0x00000007,
752 	0x9180, 0xffffffff, 0x00060005,
753 	0x9184, 0xffffffff, 0x00090008,
754 	0x9188, 0xffffffff, 0x00030002,
755 	0x918c, 0xffffffff, 0x00050004,
756 	0x9190, 0xffffffff, 0x00000008,
757 	0x9194, 0xffffffff, 0x00070006,
758 	0x9198, 0xffffffff, 0x000a0009,
759 	0x919c, 0xffffffff, 0x00040003,
760 	0x91a0, 0xffffffff, 0x00060005,
761 	0x91a4, 0xffffffff, 0x00000009,
762 	0x91a8, 0xffffffff, 0x00080007,
763 	0x91ac, 0xffffffff, 0x000b000a,
764 	0x91b0, 0xffffffff, 0x00050004,
765 	0x91b4, 0xffffffff, 0x00070006,
766 	0x91b8, 0xffffffff, 0x0008000b,
767 	0x91bc, 0xffffffff, 0x000a0009,
768 	0x91c0, 0xffffffff, 0x000d000c,
769 	0x9200, 0xffffffff, 0x00090008,
770 	0x9204, 0xffffffff, 0x000b000a,
771 	0x9208, 0xffffffff, 0x000c000f,
772 	0x920c, 0xffffffff, 0x000e000d,
773 	0x9210, 0xffffffff, 0x00110010,
774 	0x9214, 0xffffffff, 0x000a0009,
775 	0x9218, 0xffffffff, 0x000c000b,
776 	0x921c, 0xffffffff, 0x0000000f,
777 	0x9220, 0xffffffff, 0x000e000d,
778 	0x9224, 0xffffffff, 0x00110010,
779 	0x9228, 0xffffffff, 0x000b000a,
780 	0x922c, 0xffffffff, 0x000d000c,
781 	0x9230, 0xffffffff, 0x00000010,
782 	0x9234, 0xffffffff, 0x000f000e,
783 	0x9238, 0xffffffff, 0x00120011,
784 	0x923c, 0xffffffff, 0x000c000b,
785 	0x9240, 0xffffffff, 0x000e000d,
786 	0x9244, 0xffffffff, 0x00000011,
787 	0x9248, 0xffffffff, 0x0010000f,
788 	0x924c, 0xffffffff, 0x00130012,
789 	0x9250, 0xffffffff, 0x000d000c,
790 	0x9254, 0xffffffff, 0x000f000e,
791 	0x9258, 0xffffffff, 0x00100013,
792 	0x925c, 0xffffffff, 0x00120011,
793 	0x9260, 0xffffffff, 0x00150014,
794 	0x9150, 0xffffffff, 0x96940200,
795 	0x8708, 0xffffffff, 0x00900100,
796 	0xc478, 0xffffffff, 0x00000080,
797 	0xc404, 0xffffffff, 0x0020003f,
798 	0x30, 0xffffffff, 0x0000001c,
799 	0x34, 0x000f0000, 0x000f0000,
800 	0x160c, 0xffffffff, 0x00000100,
801 	0x1024, 0xffffffff, 0x00000100,
802 	0x102c, 0x00000101, 0x00000000,
803 	0x20a8, 0xffffffff, 0x00000104,
804 	0x55e4, 0xff000fff, 0x00000100,
805 	0x55e8, 0x00000001, 0x00000001,
806 	0x2f50, 0x00000001, 0x00000001,
807 	0x30cc, 0xc0000fff, 0x00000104,
808 	0xc1e4, 0x00000001, 0x00000001,
809 	0xd0c0, 0xfffffff0, 0x00000100,
810 	0xd8c0, 0xfffffff0, 0x00000100
811 };
812 
813 static const u32 verde_mgcg_cgcg_init[] =
814 {
815 	0xc400, 0xffffffff, 0xfffffffc,
816 	0x802c, 0xffffffff, 0xe0000000,
817 	0x9a60, 0xffffffff, 0x00000100,
818 	0x92a4, 0xffffffff, 0x00000100,
819 	0xc164, 0xffffffff, 0x00000100,
820 	0x9774, 0xffffffff, 0x00000100,
821 	0x8984, 0xffffffff, 0x06000100,
822 	0x8a18, 0xffffffff, 0x00000100,
823 	0x92a0, 0xffffffff, 0x00000100,
824 	0xc380, 0xffffffff, 0x00000100,
825 	0x8b28, 0xffffffff, 0x00000100,
826 	0x9144, 0xffffffff, 0x00000100,
827 	0x8d88, 0xffffffff, 0x00000100,
828 	0x8d8c, 0xffffffff, 0x00000100,
829 	0x9030, 0xffffffff, 0x00000100,
830 	0x9034, 0xffffffff, 0x00000100,
831 	0x9038, 0xffffffff, 0x00000100,
832 	0x903c, 0xffffffff, 0x00000100,
833 	0xad80, 0xffffffff, 0x00000100,
834 	0xac54, 0xffffffff, 0x00000100,
835 	0x897c, 0xffffffff, 0x06000100,
836 	0x9868, 0xffffffff, 0x00000100,
837 	0x9510, 0xffffffff, 0x00000100,
838 	0xaf04, 0xffffffff, 0x00000100,
839 	0xae04, 0xffffffff, 0x00000100,
840 	0x949c, 0xffffffff, 0x00000100,
841 	0x802c, 0xffffffff, 0xe0000000,
842 	0x9160, 0xffffffff, 0x00010000,
843 	0x9164, 0xffffffff, 0x00030002,
844 	0x9168, 0xffffffff, 0x00040007,
845 	0x916c, 0xffffffff, 0x00060005,
846 	0x9170, 0xffffffff, 0x00090008,
847 	0x9174, 0xffffffff, 0x00020001,
848 	0x9178, 0xffffffff, 0x00040003,
849 	0x917c, 0xffffffff, 0x00000007,
850 	0x9180, 0xffffffff, 0x00060005,
851 	0x9184, 0xffffffff, 0x00090008,
852 	0x9188, 0xffffffff, 0x00030002,
853 	0x918c, 0xffffffff, 0x00050004,
854 	0x9190, 0xffffffff, 0x00000008,
855 	0x9194, 0xffffffff, 0x00070006,
856 	0x9198, 0xffffffff, 0x000a0009,
857 	0x919c, 0xffffffff, 0x00040003,
858 	0x91a0, 0xffffffff, 0x00060005,
859 	0x91a4, 0xffffffff, 0x00000009,
860 	0x91a8, 0xffffffff, 0x00080007,
861 	0x91ac, 0xffffffff, 0x000b000a,
862 	0x91b0, 0xffffffff, 0x00050004,
863 	0x91b4, 0xffffffff, 0x00070006,
864 	0x91b8, 0xffffffff, 0x0008000b,
865 	0x91bc, 0xffffffff, 0x000a0009,
866 	0x91c0, 0xffffffff, 0x000d000c,
867 	0x9200, 0xffffffff, 0x00090008,
868 	0x9204, 0xffffffff, 0x000b000a,
869 	0x9208, 0xffffffff, 0x000c000f,
870 	0x920c, 0xffffffff, 0x000e000d,
871 	0x9210, 0xffffffff, 0x00110010,
872 	0x9214, 0xffffffff, 0x000a0009,
873 	0x9218, 0xffffffff, 0x000c000b,
874 	0x921c, 0xffffffff, 0x0000000f,
875 	0x9220, 0xffffffff, 0x000e000d,
876 	0x9224, 0xffffffff, 0x00110010,
877 	0x9228, 0xffffffff, 0x000b000a,
878 	0x922c, 0xffffffff, 0x000d000c,
879 	0x9230, 0xffffffff, 0x00000010,
880 	0x9234, 0xffffffff, 0x000f000e,
881 	0x9238, 0xffffffff, 0x00120011,
882 	0x923c, 0xffffffff, 0x000c000b,
883 	0x9240, 0xffffffff, 0x000e000d,
884 	0x9244, 0xffffffff, 0x00000011,
885 	0x9248, 0xffffffff, 0x0010000f,
886 	0x924c, 0xffffffff, 0x00130012,
887 	0x9250, 0xffffffff, 0x000d000c,
888 	0x9254, 0xffffffff, 0x000f000e,
889 	0x9258, 0xffffffff, 0x00100013,
890 	0x925c, 0xffffffff, 0x00120011,
891 	0x9260, 0xffffffff, 0x00150014,
892 	0x9150, 0xffffffff, 0x96940200,
893 	0x8708, 0xffffffff, 0x00900100,
894 	0xc478, 0xffffffff, 0x00000080,
895 	0xc404, 0xffffffff, 0x0020003f,
896 	0x30, 0xffffffff, 0x0000001c,
897 	0x34, 0x000f0000, 0x000f0000,
898 	0x160c, 0xffffffff, 0x00000100,
899 	0x1024, 0xffffffff, 0x00000100,
900 	0x102c, 0x00000101, 0x00000000,
901 	0x20a8, 0xffffffff, 0x00000104,
902 	0x264c, 0x000c0000, 0x000c0000,
903 	0x2648, 0x000c0000, 0x000c0000,
904 	0x55e4, 0xff000fff, 0x00000100,
905 	0x55e8, 0x00000001, 0x00000001,
906 	0x2f50, 0x00000001, 0x00000001,
907 	0x30cc, 0xc0000fff, 0x00000104,
908 	0xc1e4, 0x00000001, 0x00000001,
909 	0xd0c0, 0xfffffff0, 0x00000100,
910 	0xd8c0, 0xfffffff0, 0x00000100
911 };
912 
913 static const u32 oland_mgcg_cgcg_init[] =
914 {
915 	0xc400, 0xffffffff, 0xfffffffc,
916 	0x802c, 0xffffffff, 0xe0000000,
917 	0x9a60, 0xffffffff, 0x00000100,
918 	0x92a4, 0xffffffff, 0x00000100,
919 	0xc164, 0xffffffff, 0x00000100,
920 	0x9774, 0xffffffff, 0x00000100,
921 	0x8984, 0xffffffff, 0x06000100,
922 	0x8a18, 0xffffffff, 0x00000100,
923 	0x92a0, 0xffffffff, 0x00000100,
924 	0xc380, 0xffffffff, 0x00000100,
925 	0x8b28, 0xffffffff, 0x00000100,
926 	0x9144, 0xffffffff, 0x00000100,
927 	0x8d88, 0xffffffff, 0x00000100,
928 	0x8d8c, 0xffffffff, 0x00000100,
929 	0x9030, 0xffffffff, 0x00000100,
930 	0x9034, 0xffffffff, 0x00000100,
931 	0x9038, 0xffffffff, 0x00000100,
932 	0x903c, 0xffffffff, 0x00000100,
933 	0xad80, 0xffffffff, 0x00000100,
934 	0xac54, 0xffffffff, 0x00000100,
935 	0x897c, 0xffffffff, 0x06000100,
936 	0x9868, 0xffffffff, 0x00000100,
937 	0x9510, 0xffffffff, 0x00000100,
938 	0xaf04, 0xffffffff, 0x00000100,
939 	0xae04, 0xffffffff, 0x00000100,
940 	0x949c, 0xffffffff, 0x00000100,
941 	0x802c, 0xffffffff, 0xe0000000,
942 	0x9160, 0xffffffff, 0x00010000,
943 	0x9164, 0xffffffff, 0x00030002,
944 	0x9168, 0xffffffff, 0x00040007,
945 	0x916c, 0xffffffff, 0x00060005,
946 	0x9170, 0xffffffff, 0x00090008,
947 	0x9174, 0xffffffff, 0x00020001,
948 	0x9178, 0xffffffff, 0x00040003,
949 	0x917c, 0xffffffff, 0x00000007,
950 	0x9180, 0xffffffff, 0x00060005,
951 	0x9184, 0xffffffff, 0x00090008,
952 	0x9188, 0xffffffff, 0x00030002,
953 	0x918c, 0xffffffff, 0x00050004,
954 	0x9190, 0xffffffff, 0x00000008,
955 	0x9194, 0xffffffff, 0x00070006,
956 	0x9198, 0xffffffff, 0x000a0009,
957 	0x919c, 0xffffffff, 0x00040003,
958 	0x91a0, 0xffffffff, 0x00060005,
959 	0x91a4, 0xffffffff, 0x00000009,
960 	0x91a8, 0xffffffff, 0x00080007,
961 	0x91ac, 0xffffffff, 0x000b000a,
962 	0x91b0, 0xffffffff, 0x00050004,
963 	0x91b4, 0xffffffff, 0x00070006,
964 	0x91b8, 0xffffffff, 0x0008000b,
965 	0x91bc, 0xffffffff, 0x000a0009,
966 	0x91c0, 0xffffffff, 0x000d000c,
967 	0x91c4, 0xffffffff, 0x00060005,
968 	0x91c8, 0xffffffff, 0x00080007,
969 	0x91cc, 0xffffffff, 0x0000000b,
970 	0x91d0, 0xffffffff, 0x000a0009,
971 	0x91d4, 0xffffffff, 0x000d000c,
972 	0x9150, 0xffffffff, 0x96940200,
973 	0x8708, 0xffffffff, 0x00900100,
974 	0xc478, 0xffffffff, 0x00000080,
975 	0xc404, 0xffffffff, 0x0020003f,
976 	0x30, 0xffffffff, 0x0000001c,
977 	0x34, 0x000f0000, 0x000f0000,
978 	0x160c, 0xffffffff, 0x00000100,
979 	0x1024, 0xffffffff, 0x00000100,
980 	0x102c, 0x00000101, 0x00000000,
981 	0x20a8, 0xffffffff, 0x00000104,
982 	0x264c, 0x000c0000, 0x000c0000,
983 	0x2648, 0x000c0000, 0x000c0000,
984 	0x55e4, 0xff000fff, 0x00000100,
985 	0x55e8, 0x00000001, 0x00000001,
986 	0x2f50, 0x00000001, 0x00000001,
987 	0x30cc, 0xc0000fff, 0x00000104,
988 	0xc1e4, 0x00000001, 0x00000001,
989 	0xd0c0, 0xfffffff0, 0x00000100,
990 	0xd8c0, 0xfffffff0, 0x00000100
991 };
992 
993 static const u32 hainan_mgcg_cgcg_init[] =
994 {
995 	0xc400, 0xffffffff, 0xfffffffc,
996 	0x802c, 0xffffffff, 0xe0000000,
997 	0x9a60, 0xffffffff, 0x00000100,
998 	0x92a4, 0xffffffff, 0x00000100,
999 	0xc164, 0xffffffff, 0x00000100,
1000 	0x9774, 0xffffffff, 0x00000100,
1001 	0x8984, 0xffffffff, 0x06000100,
1002 	0x8a18, 0xffffffff, 0x00000100,
1003 	0x92a0, 0xffffffff, 0x00000100,
1004 	0xc380, 0xffffffff, 0x00000100,
1005 	0x8b28, 0xffffffff, 0x00000100,
1006 	0x9144, 0xffffffff, 0x00000100,
1007 	0x8d88, 0xffffffff, 0x00000100,
1008 	0x8d8c, 0xffffffff, 0x00000100,
1009 	0x9030, 0xffffffff, 0x00000100,
1010 	0x9034, 0xffffffff, 0x00000100,
1011 	0x9038, 0xffffffff, 0x00000100,
1012 	0x903c, 0xffffffff, 0x00000100,
1013 	0xad80, 0xffffffff, 0x00000100,
1014 	0xac54, 0xffffffff, 0x00000100,
1015 	0x897c, 0xffffffff, 0x06000100,
1016 	0x9868, 0xffffffff, 0x00000100,
1017 	0x9510, 0xffffffff, 0x00000100,
1018 	0xaf04, 0xffffffff, 0x00000100,
1019 	0xae04, 0xffffffff, 0x00000100,
1020 	0x949c, 0xffffffff, 0x00000100,
1021 	0x802c, 0xffffffff, 0xe0000000,
1022 	0x9160, 0xffffffff, 0x00010000,
1023 	0x9164, 0xffffffff, 0x00030002,
1024 	0x9168, 0xffffffff, 0x00040007,
1025 	0x916c, 0xffffffff, 0x00060005,
1026 	0x9170, 0xffffffff, 0x00090008,
1027 	0x9174, 0xffffffff, 0x00020001,
1028 	0x9178, 0xffffffff, 0x00040003,
1029 	0x917c, 0xffffffff, 0x00000007,
1030 	0x9180, 0xffffffff, 0x00060005,
1031 	0x9184, 0xffffffff, 0x00090008,
1032 	0x9188, 0xffffffff, 0x00030002,
1033 	0x918c, 0xffffffff, 0x00050004,
1034 	0x9190, 0xffffffff, 0x00000008,
1035 	0x9194, 0xffffffff, 0x00070006,
1036 	0x9198, 0xffffffff, 0x000a0009,
1037 	0x919c, 0xffffffff, 0x00040003,
1038 	0x91a0, 0xffffffff, 0x00060005,
1039 	0x91a4, 0xffffffff, 0x00000009,
1040 	0x91a8, 0xffffffff, 0x00080007,
1041 	0x91ac, 0xffffffff, 0x000b000a,
1042 	0x91b0, 0xffffffff, 0x00050004,
1043 	0x91b4, 0xffffffff, 0x00070006,
1044 	0x91b8, 0xffffffff, 0x0008000b,
1045 	0x91bc, 0xffffffff, 0x000a0009,
1046 	0x91c0, 0xffffffff, 0x000d000c,
1047 	0x91c4, 0xffffffff, 0x00060005,
1048 	0x91c8, 0xffffffff, 0x00080007,
1049 	0x91cc, 0xffffffff, 0x0000000b,
1050 	0x91d0, 0xffffffff, 0x000a0009,
1051 	0x91d4, 0xffffffff, 0x000d000c,
1052 	0x9150, 0xffffffff, 0x96940200,
1053 	0x8708, 0xffffffff, 0x00900100,
1054 	0xc478, 0xffffffff, 0x00000080,
1055 	0xc404, 0xffffffff, 0x0020003f,
1056 	0x30, 0xffffffff, 0x0000001c,
1057 	0x34, 0x000f0000, 0x000f0000,
1058 	0x160c, 0xffffffff, 0x00000100,
1059 	0x1024, 0xffffffff, 0x00000100,
1060 	0x20a8, 0xffffffff, 0x00000104,
1061 	0x264c, 0x000c0000, 0x000c0000,
1062 	0x2648, 0x000c0000, 0x000c0000,
1063 	0x2f50, 0x00000001, 0x00000001,
1064 	0x30cc, 0xc0000fff, 0x00000104,
1065 	0xc1e4, 0x00000001, 0x00000001,
1066 	0xd0c0, 0xfffffff0, 0x00000100,
1067 	0xd8c0, 0xfffffff0, 0x00000100
1068 };
1069 
1070 static u32 verde_pg_init[] =
1071 {
1072 	0x353c, 0xffffffff, 0x40000,
1073 	0x3538, 0xffffffff, 0x200010ff,
1074 	0x353c, 0xffffffff, 0x0,
1075 	0x353c, 0xffffffff, 0x0,
1076 	0x353c, 0xffffffff, 0x0,
1077 	0x353c, 0xffffffff, 0x0,
1078 	0x353c, 0xffffffff, 0x0,
1079 	0x353c, 0xffffffff, 0x7007,
1080 	0x3538, 0xffffffff, 0x300010ff,
1081 	0x353c, 0xffffffff, 0x0,
1082 	0x353c, 0xffffffff, 0x0,
1083 	0x353c, 0xffffffff, 0x0,
1084 	0x353c, 0xffffffff, 0x0,
1085 	0x353c, 0xffffffff, 0x0,
1086 	0x353c, 0xffffffff, 0x400000,
1087 	0x3538, 0xffffffff, 0x100010ff,
1088 	0x353c, 0xffffffff, 0x0,
1089 	0x353c, 0xffffffff, 0x0,
1090 	0x353c, 0xffffffff, 0x0,
1091 	0x353c, 0xffffffff, 0x0,
1092 	0x353c, 0xffffffff, 0x0,
1093 	0x353c, 0xffffffff, 0x120200,
1094 	0x3538, 0xffffffff, 0x500010ff,
1095 	0x353c, 0xffffffff, 0x0,
1096 	0x353c, 0xffffffff, 0x0,
1097 	0x353c, 0xffffffff, 0x0,
1098 	0x353c, 0xffffffff, 0x0,
1099 	0x353c, 0xffffffff, 0x0,
1100 	0x353c, 0xffffffff, 0x1e1e16,
1101 	0x3538, 0xffffffff, 0x600010ff,
1102 	0x353c, 0xffffffff, 0x0,
1103 	0x353c, 0xffffffff, 0x0,
1104 	0x353c, 0xffffffff, 0x0,
1105 	0x353c, 0xffffffff, 0x0,
1106 	0x353c, 0xffffffff, 0x0,
1107 	0x353c, 0xffffffff, 0x171f1e,
1108 	0x3538, 0xffffffff, 0x700010ff,
1109 	0x353c, 0xffffffff, 0x0,
1110 	0x353c, 0xffffffff, 0x0,
1111 	0x353c, 0xffffffff, 0x0,
1112 	0x353c, 0xffffffff, 0x0,
1113 	0x353c, 0xffffffff, 0x0,
1114 	0x353c, 0xffffffff, 0x0,
1115 	0x3538, 0xffffffff, 0x9ff,
1116 	0x3500, 0xffffffff, 0x0,
1117 	0x3504, 0xffffffff, 0x10000800,
1118 	0x3504, 0xffffffff, 0xf,
1119 	0x3504, 0xffffffff, 0xf,
1120 	0x3500, 0xffffffff, 0x4,
1121 	0x3504, 0xffffffff, 0x1000051e,
1122 	0x3504, 0xffffffff, 0xffff,
1123 	0x3504, 0xffffffff, 0xffff,
1124 	0x3500, 0xffffffff, 0x8,
1125 	0x3504, 0xffffffff, 0x80500,
1126 	0x3500, 0xffffffff, 0x12,
1127 	0x3504, 0xffffffff, 0x9050c,
1128 	0x3500, 0xffffffff, 0x1d,
1129 	0x3504, 0xffffffff, 0xb052c,
1130 	0x3500, 0xffffffff, 0x2a,
1131 	0x3504, 0xffffffff, 0x1053e,
1132 	0x3500, 0xffffffff, 0x2d,
1133 	0x3504, 0xffffffff, 0x10546,
1134 	0x3500, 0xffffffff, 0x30,
1135 	0x3504, 0xffffffff, 0xa054e,
1136 	0x3500, 0xffffffff, 0x3c,
1137 	0x3504, 0xffffffff, 0x1055f,
1138 	0x3500, 0xffffffff, 0x3f,
1139 	0x3504, 0xffffffff, 0x10567,
1140 	0x3500, 0xffffffff, 0x42,
1141 	0x3504, 0xffffffff, 0x1056f,
1142 	0x3500, 0xffffffff, 0x45,
1143 	0x3504, 0xffffffff, 0x10572,
1144 	0x3500, 0xffffffff, 0x48,
1145 	0x3504, 0xffffffff, 0x20575,
1146 	0x3500, 0xffffffff, 0x4c,
1147 	0x3504, 0xffffffff, 0x190801,
1148 	0x3500, 0xffffffff, 0x67,
1149 	0x3504, 0xffffffff, 0x1082a,
1150 	0x3500, 0xffffffff, 0x6a,
1151 	0x3504, 0xffffffff, 0x1b082d,
1152 	0x3500, 0xffffffff, 0x87,
1153 	0x3504, 0xffffffff, 0x310851,
1154 	0x3500, 0xffffffff, 0xba,
1155 	0x3504, 0xffffffff, 0x891,
1156 	0x3500, 0xffffffff, 0xbc,
1157 	0x3504, 0xffffffff, 0x893,
1158 	0x3500, 0xffffffff, 0xbe,
1159 	0x3504, 0xffffffff, 0x20895,
1160 	0x3500, 0xffffffff, 0xc2,
1161 	0x3504, 0xffffffff, 0x20899,
1162 	0x3500, 0xffffffff, 0xc6,
1163 	0x3504, 0xffffffff, 0x2089d,
1164 	0x3500, 0xffffffff, 0xca,
1165 	0x3504, 0xffffffff, 0x8a1,
1166 	0x3500, 0xffffffff, 0xcc,
1167 	0x3504, 0xffffffff, 0x8a3,
1168 	0x3500, 0xffffffff, 0xce,
1169 	0x3504, 0xffffffff, 0x308a5,
1170 	0x3500, 0xffffffff, 0xd3,
1171 	0x3504, 0xffffffff, 0x6d08cd,
1172 	0x3500, 0xffffffff, 0x142,
1173 	0x3504, 0xffffffff, 0x2000095a,
1174 	0x3504, 0xffffffff, 0x1,
1175 	0x3500, 0xffffffff, 0x144,
1176 	0x3504, 0xffffffff, 0x301f095b,
1177 	0x3500, 0xffffffff, 0x165,
1178 	0x3504, 0xffffffff, 0xc094d,
1179 	0x3500, 0xffffffff, 0x173,
1180 	0x3504, 0xffffffff, 0xf096d,
1181 	0x3500, 0xffffffff, 0x184,
1182 	0x3504, 0xffffffff, 0x15097f,
1183 	0x3500, 0xffffffff, 0x19b,
1184 	0x3504, 0xffffffff, 0xc0998,
1185 	0x3500, 0xffffffff, 0x1a9,
1186 	0x3504, 0xffffffff, 0x409a7,
1187 	0x3500, 0xffffffff, 0x1af,
1188 	0x3504, 0xffffffff, 0xcdc,
1189 	0x3500, 0xffffffff, 0x1b1,
1190 	0x3504, 0xffffffff, 0x800,
1191 	0x3508, 0xffffffff, 0x6c9b2000,
1192 	0x3510, 0xfc00, 0x2000,
1193 	0x3544, 0xffffffff, 0xfc0,
1194 	0x28d4, 0x00000100, 0x100
1195 };
1196 
1197 static void si_init_golden_registers(struct radeon_device *rdev)
1198 {
1199 	switch (rdev->family) {
1200 	case CHIP_TAHITI:
1201 		radeon_program_register_sequence(rdev,
1202 						 tahiti_golden_registers,
1203 						 (const u32)ARRAY_SIZE(tahiti_golden_registers));
1204 		radeon_program_register_sequence(rdev,
1205 						 tahiti_golden_rlc_registers,
1206 						 (const u32)ARRAY_SIZE(tahiti_golden_rlc_registers));
1207 		radeon_program_register_sequence(rdev,
1208 						 tahiti_mgcg_cgcg_init,
1209 						 (const u32)ARRAY_SIZE(tahiti_mgcg_cgcg_init));
1210 		radeon_program_register_sequence(rdev,
1211 						 tahiti_golden_registers2,
1212 						 (const u32)ARRAY_SIZE(tahiti_golden_registers2));
1213 		break;
1214 	case CHIP_PITCAIRN:
1215 		radeon_program_register_sequence(rdev,
1216 						 pitcairn_golden_registers,
1217 						 (const u32)ARRAY_SIZE(pitcairn_golden_registers));
1218 		radeon_program_register_sequence(rdev,
1219 						 pitcairn_golden_rlc_registers,
1220 						 (const u32)ARRAY_SIZE(pitcairn_golden_rlc_registers));
1221 		radeon_program_register_sequence(rdev,
1222 						 pitcairn_mgcg_cgcg_init,
1223 						 (const u32)ARRAY_SIZE(pitcairn_mgcg_cgcg_init));
1224 		break;
1225 	case CHIP_VERDE:
1226 		radeon_program_register_sequence(rdev,
1227 						 verde_golden_registers,
1228 						 (const u32)ARRAY_SIZE(verde_golden_registers));
1229 		radeon_program_register_sequence(rdev,
1230 						 verde_golden_rlc_registers,
1231 						 (const u32)ARRAY_SIZE(verde_golden_rlc_registers));
1232 		radeon_program_register_sequence(rdev,
1233 						 verde_mgcg_cgcg_init,
1234 						 (const u32)ARRAY_SIZE(verde_mgcg_cgcg_init));
1235 		radeon_program_register_sequence(rdev,
1236 						 verde_pg_init,
1237 						 (const u32)ARRAY_SIZE(verde_pg_init));
1238 		break;
1239 	case CHIP_OLAND:
1240 		radeon_program_register_sequence(rdev,
1241 						 oland_golden_registers,
1242 						 (const u32)ARRAY_SIZE(oland_golden_registers));
1243 		radeon_program_register_sequence(rdev,
1244 						 oland_golden_rlc_registers,
1245 						 (const u32)ARRAY_SIZE(oland_golden_rlc_registers));
1246 		radeon_program_register_sequence(rdev,
1247 						 oland_mgcg_cgcg_init,
1248 						 (const u32)ARRAY_SIZE(oland_mgcg_cgcg_init));
1249 		break;
1250 	case CHIP_HAINAN:
1251 		radeon_program_register_sequence(rdev,
1252 						 hainan_golden_registers,
1253 						 (const u32)ARRAY_SIZE(hainan_golden_registers));
1254 		radeon_program_register_sequence(rdev,
1255 						 hainan_golden_registers2,
1256 						 (const u32)ARRAY_SIZE(hainan_golden_registers2));
1257 		radeon_program_register_sequence(rdev,
1258 						 hainan_mgcg_cgcg_init,
1259 						 (const u32)ARRAY_SIZE(hainan_mgcg_cgcg_init));
1260 		break;
1261 	default:
1262 		break;
1263 	}
1264 }
1265 
1266 #define PCIE_BUS_CLK                10000
1267 #define TCLK                        (PCIE_BUS_CLK / 10)
1268 
1269 /**
1270  * si_get_xclk - get the xclk
1271  *
1272  * @rdev: radeon_device pointer
1273  *
1274  * Returns the reference clock used by the gfx engine
1275  * (SI).
1276  */
1277 u32 si_get_xclk(struct radeon_device *rdev)
1278 {
1279         u32 reference_clock = rdev->clock.spll.reference_freq;
1280 	u32 tmp;
1281 
1282 	tmp = RREG32(CG_CLKPIN_CNTL_2);
1283 	if (tmp & MUX_TCLK_TO_XCLK)
1284 		return TCLK;
1285 
1286 	tmp = RREG32(CG_CLKPIN_CNTL);
1287 	if (tmp & XTALIN_DIVIDE)
1288 		return reference_clock / 4;
1289 
1290 	return reference_clock;
1291 }
1292 
1293 /* get temperature in millidegrees */
1294 int si_get_temp(struct radeon_device *rdev)
1295 {
1296 	u32 temp;
1297 	int actual_temp = 0;
1298 
1299 	temp = (RREG32(CG_MULT_THERMAL_STATUS) & CTF_TEMP_MASK) >>
1300 		CTF_TEMP_SHIFT;
1301 
1302 	if (temp & 0x200)
1303 		actual_temp = 255;
1304 	else
1305 		actual_temp = temp & 0x1ff;
1306 
1307 	actual_temp = (actual_temp * 1000);
1308 
1309 	return actual_temp;
1310 }
1311 
1312 #define TAHITI_IO_MC_REGS_SIZE 36
1313 
1314 static const u32 tahiti_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
1315 	{0x0000006f, 0x03044000},
1316 	{0x00000070, 0x0480c018},
1317 	{0x00000071, 0x00000040},
1318 	{0x00000072, 0x01000000},
1319 	{0x00000074, 0x000000ff},
1320 	{0x00000075, 0x00143400},
1321 	{0x00000076, 0x08ec0800},
1322 	{0x00000077, 0x040000cc},
1323 	{0x00000079, 0x00000000},
1324 	{0x0000007a, 0x21000409},
1325 	{0x0000007c, 0x00000000},
1326 	{0x0000007d, 0xe8000000},
1327 	{0x0000007e, 0x044408a8},
1328 	{0x0000007f, 0x00000003},
1329 	{0x00000080, 0x00000000},
1330 	{0x00000081, 0x01000000},
1331 	{0x00000082, 0x02000000},
1332 	{0x00000083, 0x00000000},
1333 	{0x00000084, 0xe3f3e4f4},
1334 	{0x00000085, 0x00052024},
1335 	{0x00000087, 0x00000000},
1336 	{0x00000088, 0x66036603},
1337 	{0x00000089, 0x01000000},
1338 	{0x0000008b, 0x1c0a0000},
1339 	{0x0000008c, 0xff010000},
1340 	{0x0000008e, 0xffffefff},
1341 	{0x0000008f, 0xfff3efff},
1342 	{0x00000090, 0xfff3efbf},
1343 	{0x00000094, 0x00101101},
1344 	{0x00000095, 0x00000fff},
1345 	{0x00000096, 0x00116fff},
1346 	{0x00000097, 0x60010000},
1347 	{0x00000098, 0x10010000},
1348 	{0x00000099, 0x00006000},
1349 	{0x0000009a, 0x00001000},
1350 	{0x0000009f, 0x00a77400}
1351 };
1352 
1353 static const u32 pitcairn_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
1354 	{0x0000006f, 0x03044000},
1355 	{0x00000070, 0x0480c018},
1356 	{0x00000071, 0x00000040},
1357 	{0x00000072, 0x01000000},
1358 	{0x00000074, 0x000000ff},
1359 	{0x00000075, 0x00143400},
1360 	{0x00000076, 0x08ec0800},
1361 	{0x00000077, 0x040000cc},
1362 	{0x00000079, 0x00000000},
1363 	{0x0000007a, 0x21000409},
1364 	{0x0000007c, 0x00000000},
1365 	{0x0000007d, 0xe8000000},
1366 	{0x0000007e, 0x044408a8},
1367 	{0x0000007f, 0x00000003},
1368 	{0x00000080, 0x00000000},
1369 	{0x00000081, 0x01000000},
1370 	{0x00000082, 0x02000000},
1371 	{0x00000083, 0x00000000},
1372 	{0x00000084, 0xe3f3e4f4},
1373 	{0x00000085, 0x00052024},
1374 	{0x00000087, 0x00000000},
1375 	{0x00000088, 0x66036603},
1376 	{0x00000089, 0x01000000},
1377 	{0x0000008b, 0x1c0a0000},
1378 	{0x0000008c, 0xff010000},
1379 	{0x0000008e, 0xffffefff},
1380 	{0x0000008f, 0xfff3efff},
1381 	{0x00000090, 0xfff3efbf},
1382 	{0x00000094, 0x00101101},
1383 	{0x00000095, 0x00000fff},
1384 	{0x00000096, 0x00116fff},
1385 	{0x00000097, 0x60010000},
1386 	{0x00000098, 0x10010000},
1387 	{0x00000099, 0x00006000},
1388 	{0x0000009a, 0x00001000},
1389 	{0x0000009f, 0x00a47400}
1390 };
1391 
1392 static const u32 verde_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
1393 	{0x0000006f, 0x03044000},
1394 	{0x00000070, 0x0480c018},
1395 	{0x00000071, 0x00000040},
1396 	{0x00000072, 0x01000000},
1397 	{0x00000074, 0x000000ff},
1398 	{0x00000075, 0x00143400},
1399 	{0x00000076, 0x08ec0800},
1400 	{0x00000077, 0x040000cc},
1401 	{0x00000079, 0x00000000},
1402 	{0x0000007a, 0x21000409},
1403 	{0x0000007c, 0x00000000},
1404 	{0x0000007d, 0xe8000000},
1405 	{0x0000007e, 0x044408a8},
1406 	{0x0000007f, 0x00000003},
1407 	{0x00000080, 0x00000000},
1408 	{0x00000081, 0x01000000},
1409 	{0x00000082, 0x02000000},
1410 	{0x00000083, 0x00000000},
1411 	{0x00000084, 0xe3f3e4f4},
1412 	{0x00000085, 0x00052024},
1413 	{0x00000087, 0x00000000},
1414 	{0x00000088, 0x66036603},
1415 	{0x00000089, 0x01000000},
1416 	{0x0000008b, 0x1c0a0000},
1417 	{0x0000008c, 0xff010000},
1418 	{0x0000008e, 0xffffefff},
1419 	{0x0000008f, 0xfff3efff},
1420 	{0x00000090, 0xfff3efbf},
1421 	{0x00000094, 0x00101101},
1422 	{0x00000095, 0x00000fff},
1423 	{0x00000096, 0x00116fff},
1424 	{0x00000097, 0x60010000},
1425 	{0x00000098, 0x10010000},
1426 	{0x00000099, 0x00006000},
1427 	{0x0000009a, 0x00001000},
1428 	{0x0000009f, 0x00a37400}
1429 };
1430 
1431 static const u32 oland_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
1432 	{0x0000006f, 0x03044000},
1433 	{0x00000070, 0x0480c018},
1434 	{0x00000071, 0x00000040},
1435 	{0x00000072, 0x01000000},
1436 	{0x00000074, 0x000000ff},
1437 	{0x00000075, 0x00143400},
1438 	{0x00000076, 0x08ec0800},
1439 	{0x00000077, 0x040000cc},
1440 	{0x00000079, 0x00000000},
1441 	{0x0000007a, 0x21000409},
1442 	{0x0000007c, 0x00000000},
1443 	{0x0000007d, 0xe8000000},
1444 	{0x0000007e, 0x044408a8},
1445 	{0x0000007f, 0x00000003},
1446 	{0x00000080, 0x00000000},
1447 	{0x00000081, 0x01000000},
1448 	{0x00000082, 0x02000000},
1449 	{0x00000083, 0x00000000},
1450 	{0x00000084, 0xe3f3e4f4},
1451 	{0x00000085, 0x00052024},
1452 	{0x00000087, 0x00000000},
1453 	{0x00000088, 0x66036603},
1454 	{0x00000089, 0x01000000},
1455 	{0x0000008b, 0x1c0a0000},
1456 	{0x0000008c, 0xff010000},
1457 	{0x0000008e, 0xffffefff},
1458 	{0x0000008f, 0xfff3efff},
1459 	{0x00000090, 0xfff3efbf},
1460 	{0x00000094, 0x00101101},
1461 	{0x00000095, 0x00000fff},
1462 	{0x00000096, 0x00116fff},
1463 	{0x00000097, 0x60010000},
1464 	{0x00000098, 0x10010000},
1465 	{0x00000099, 0x00006000},
1466 	{0x0000009a, 0x00001000},
1467 	{0x0000009f, 0x00a17730}
1468 };
1469 
1470 static const u32 hainan_io_mc_regs[TAHITI_IO_MC_REGS_SIZE][2] = {
1471 	{0x0000006f, 0x03044000},
1472 	{0x00000070, 0x0480c018},
1473 	{0x00000071, 0x00000040},
1474 	{0x00000072, 0x01000000},
1475 	{0x00000074, 0x000000ff},
1476 	{0x00000075, 0x00143400},
1477 	{0x00000076, 0x08ec0800},
1478 	{0x00000077, 0x040000cc},
1479 	{0x00000079, 0x00000000},
1480 	{0x0000007a, 0x21000409},
1481 	{0x0000007c, 0x00000000},
1482 	{0x0000007d, 0xe8000000},
1483 	{0x0000007e, 0x044408a8},
1484 	{0x0000007f, 0x00000003},
1485 	{0x00000080, 0x00000000},
1486 	{0x00000081, 0x01000000},
1487 	{0x00000082, 0x02000000},
1488 	{0x00000083, 0x00000000},
1489 	{0x00000084, 0xe3f3e4f4},
1490 	{0x00000085, 0x00052024},
1491 	{0x00000087, 0x00000000},
1492 	{0x00000088, 0x66036603},
1493 	{0x00000089, 0x01000000},
1494 	{0x0000008b, 0x1c0a0000},
1495 	{0x0000008c, 0xff010000},
1496 	{0x0000008e, 0xffffefff},
1497 	{0x0000008f, 0xfff3efff},
1498 	{0x00000090, 0xfff3efbf},
1499 	{0x00000094, 0x00101101},
1500 	{0x00000095, 0x00000fff},
1501 	{0x00000096, 0x00116fff},
1502 	{0x00000097, 0x60010000},
1503 	{0x00000098, 0x10010000},
1504 	{0x00000099, 0x00006000},
1505 	{0x0000009a, 0x00001000},
1506 	{0x0000009f, 0x00a07730}
1507 };
1508 
1509 /* ucode loading */
1510 int si_mc_load_microcode(struct radeon_device *rdev)
1511 {
1512 	const __be32 *fw_data = NULL;
1513 	const __le32 *new_fw_data = NULL;
1514 	u32 running, blackout = 0;
1515 	u32 *io_mc_regs = NULL;
1516 	const __le32 *new_io_mc_regs = NULL;
1517 	int i, regs_size, ucode_size;
1518 
1519 	if (!rdev->mc_fw)
1520 		return -EINVAL;
1521 
1522 	if (rdev->new_fw) {
1523 		const struct mc_firmware_header_v1_0 *hdr =
1524 			(const struct mc_firmware_header_v1_0 *)rdev->mc_fw->data;
1525 
1526 		radeon_ucode_print_mc_hdr(&hdr->header);
1527 		regs_size = le32_to_cpu(hdr->io_debug_size_bytes) / (4 * 2);
1528 		new_io_mc_regs = (const __le32 *)
1529 			(rdev->mc_fw->data + le32_to_cpu(hdr->io_debug_array_offset_bytes));
1530 		ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
1531 		new_fw_data = (const __le32 *)
1532 			(rdev->mc_fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
1533 	} else {
1534 		ucode_size = rdev->mc_fw->size / 4;
1535 
1536 		switch (rdev->family) {
1537 		case CHIP_TAHITI:
1538 			io_mc_regs = (u32 *)&tahiti_io_mc_regs;
1539 			regs_size = TAHITI_IO_MC_REGS_SIZE;
1540 			break;
1541 		case CHIP_PITCAIRN:
1542 			io_mc_regs = (u32 *)&pitcairn_io_mc_regs;
1543 			regs_size = TAHITI_IO_MC_REGS_SIZE;
1544 			break;
1545 		case CHIP_VERDE:
1546 		default:
1547 			io_mc_regs = (u32 *)&verde_io_mc_regs;
1548 			regs_size = TAHITI_IO_MC_REGS_SIZE;
1549 			break;
1550 		case CHIP_OLAND:
1551 			io_mc_regs = (u32 *)&oland_io_mc_regs;
1552 			regs_size = TAHITI_IO_MC_REGS_SIZE;
1553 			break;
1554 		case CHIP_HAINAN:
1555 			io_mc_regs = (u32 *)&hainan_io_mc_regs;
1556 			regs_size = TAHITI_IO_MC_REGS_SIZE;
1557 			break;
1558 		}
1559 		fw_data = (const __be32 *)rdev->mc_fw->data;
1560 	}
1561 
1562 	running = RREG32(MC_SEQ_SUP_CNTL) & RUN_MASK;
1563 
1564 	if (running == 0) {
1565 		if (running) {
1566 			blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
1567 			WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1);
1568 		}
1569 
1570 		/* reset the engine and set to writable */
1571 		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
1572 		WREG32(MC_SEQ_SUP_CNTL, 0x00000010);
1573 
1574 		/* load mc io regs */
1575 		for (i = 0; i < regs_size; i++) {
1576 			if (rdev->new_fw) {
1577 				WREG32(MC_SEQ_IO_DEBUG_INDEX, le32_to_cpup(new_io_mc_regs++));
1578 				WREG32(MC_SEQ_IO_DEBUG_DATA, le32_to_cpup(new_io_mc_regs++));
1579 			} else {
1580 				WREG32(MC_SEQ_IO_DEBUG_INDEX, io_mc_regs[(i << 1)]);
1581 				WREG32(MC_SEQ_IO_DEBUG_DATA, io_mc_regs[(i << 1) + 1]);
1582 			}
1583 		}
1584 		/* load the MC ucode */
1585 		for (i = 0; i < ucode_size; i++) {
1586 			if (rdev->new_fw)
1587 				WREG32(MC_SEQ_SUP_PGM, le32_to_cpup(new_fw_data++));
1588 			else
1589 				WREG32(MC_SEQ_SUP_PGM, be32_to_cpup(fw_data++));
1590 		}
1591 
1592 		/* put the engine back into the active state */
1593 		WREG32(MC_SEQ_SUP_CNTL, 0x00000008);
1594 		WREG32(MC_SEQ_SUP_CNTL, 0x00000004);
1595 		WREG32(MC_SEQ_SUP_CNTL, 0x00000001);
1596 
1597 		/* wait for training to complete */
1598 		for (i = 0; i < rdev->usec_timeout; i++) {
1599 			if (RREG32(MC_SEQ_TRAIN_WAKEUP_CNTL) & TRAIN_DONE_D0)
1600 				break;
1601 			udelay(1);
1602 		}
1603 		for (i = 0; i < rdev->usec_timeout; i++) {
1604 			if (RREG32(MC_SEQ_TRAIN_WAKEUP_CNTL) & TRAIN_DONE_D1)
1605 				break;
1606 			udelay(1);
1607 		}
1608 
1609 		if (running)
1610 			WREG32(MC_SHARED_BLACKOUT_CNTL, blackout);
1611 	}
1612 
1613 	return 0;
1614 }
1615 
1616 static int si_init_microcode(struct radeon_device *rdev)
1617 {
1618 	const char *chip_name;
1619 	const char *new_chip_name;
1620 	size_t pfp_req_size, me_req_size, ce_req_size, rlc_req_size, mc_req_size;
1621 	size_t smc_req_size, mc2_req_size;
1622 	char fw_name[30];
1623 	int err;
1624 	int new_fw = 0;
1625 
1626 	DRM_DEBUG("\n");
1627 
1628 	switch (rdev->family) {
1629 	case CHIP_TAHITI:
1630 		chip_name = "TAHITI";
1631 		new_chip_name = "tahiti";
1632 		pfp_req_size = SI_PFP_UCODE_SIZE * 4;
1633 		me_req_size = SI_PM4_UCODE_SIZE * 4;
1634 		ce_req_size = SI_CE_UCODE_SIZE * 4;
1635 		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
1636 		mc_req_size = SI_MC_UCODE_SIZE * 4;
1637 		mc2_req_size = TAHITI_MC_UCODE_SIZE * 4;
1638 		smc_req_size = ALIGN(TAHITI_SMC_UCODE_SIZE, 4);
1639 		break;
1640 	case CHIP_PITCAIRN:
1641 		chip_name = "PITCAIRN";
1642 		new_chip_name = "pitcairn";
1643 		pfp_req_size = SI_PFP_UCODE_SIZE * 4;
1644 		me_req_size = SI_PM4_UCODE_SIZE * 4;
1645 		ce_req_size = SI_CE_UCODE_SIZE * 4;
1646 		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
1647 		mc_req_size = SI_MC_UCODE_SIZE * 4;
1648 		mc2_req_size = PITCAIRN_MC_UCODE_SIZE * 4;
1649 		smc_req_size = ALIGN(PITCAIRN_SMC_UCODE_SIZE, 4);
1650 		break;
1651 	case CHIP_VERDE:
1652 		chip_name = "VERDE";
1653 		new_chip_name = "verde";
1654 		pfp_req_size = SI_PFP_UCODE_SIZE * 4;
1655 		me_req_size = SI_PM4_UCODE_SIZE * 4;
1656 		ce_req_size = SI_CE_UCODE_SIZE * 4;
1657 		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
1658 		mc_req_size = SI_MC_UCODE_SIZE * 4;
1659 		mc2_req_size = VERDE_MC_UCODE_SIZE * 4;
1660 		smc_req_size = ALIGN(VERDE_SMC_UCODE_SIZE, 4);
1661 		break;
1662 	case CHIP_OLAND:
1663 		chip_name = "OLAND";
1664 		new_chip_name = "oland";
1665 		pfp_req_size = SI_PFP_UCODE_SIZE * 4;
1666 		me_req_size = SI_PM4_UCODE_SIZE * 4;
1667 		ce_req_size = SI_CE_UCODE_SIZE * 4;
1668 		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
1669 		mc_req_size = mc2_req_size = OLAND_MC_UCODE_SIZE * 4;
1670 		smc_req_size = ALIGN(OLAND_SMC_UCODE_SIZE, 4);
1671 		break;
1672 	case CHIP_HAINAN:
1673 		chip_name = "HAINAN";
1674 		new_chip_name = "hainan";
1675 		pfp_req_size = SI_PFP_UCODE_SIZE * 4;
1676 		me_req_size = SI_PM4_UCODE_SIZE * 4;
1677 		ce_req_size = SI_CE_UCODE_SIZE * 4;
1678 		rlc_req_size = SI_RLC_UCODE_SIZE * 4;
1679 		mc_req_size = mc2_req_size = OLAND_MC_UCODE_SIZE * 4;
1680 		smc_req_size = ALIGN(HAINAN_SMC_UCODE_SIZE, 4);
1681 		break;
1682 	default: BUG();
1683 	}
1684 
1685 	DRM_INFO("Loading %s Microcode\n", new_chip_name);
1686 
1687 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", new_chip_name);
1688 	err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
1689 	if (err) {
1690 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
1691 		err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
1692 		if (err)
1693 			goto out;
1694 		if (rdev->pfp_fw->size != pfp_req_size) {
1695 			printk(KERN_ERR
1696 			       "si_cp: Bogus length %zu in firmware \"%s\"\n",
1697 			       rdev->pfp_fw->size, fw_name);
1698 			err = -EINVAL;
1699 			goto out;
1700 		}
1701 	} else {
1702 		err = radeon_ucode_validate(rdev->pfp_fw);
1703 		if (err) {
1704 			printk(KERN_ERR
1705 			       "si_cp: validation failed for firmware \"%s\"\n",
1706 			       fw_name);
1707 			goto out;
1708 		} else {
1709 			new_fw++;
1710 		}
1711 	}
1712 
1713 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", new_chip_name);
1714 	err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
1715 	if (err) {
1716 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
1717 		err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
1718 		if (err)
1719 			goto out;
1720 		if (rdev->me_fw->size != me_req_size) {
1721 			printk(KERN_ERR
1722 			       "si_cp: Bogus length %zu in firmware \"%s\"\n",
1723 			       rdev->me_fw->size, fw_name);
1724 			err = -EINVAL;
1725 		}
1726 	} else {
1727 		err = radeon_ucode_validate(rdev->me_fw);
1728 		if (err) {
1729 			printk(KERN_ERR
1730 			       "si_cp: validation failed for firmware \"%s\"\n",
1731 			       fw_name);
1732 			goto out;
1733 		} else {
1734 			new_fw++;
1735 		}
1736 	}
1737 
1738 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_ce.bin", new_chip_name);
1739 	err = request_firmware(&rdev->ce_fw, fw_name, rdev->dev);
1740 	if (err) {
1741 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_ce.bin", chip_name);
1742 		err = request_firmware(&rdev->ce_fw, fw_name, rdev->dev);
1743 		if (err)
1744 			goto out;
1745 		if (rdev->ce_fw->size != ce_req_size) {
1746 			printk(KERN_ERR
1747 			       "si_cp: Bogus length %zu in firmware \"%s\"\n",
1748 			       rdev->ce_fw->size, fw_name);
1749 			err = -EINVAL;
1750 		}
1751 	} else {
1752 		err = radeon_ucode_validate(rdev->ce_fw);
1753 		if (err) {
1754 			printk(KERN_ERR
1755 			       "si_cp: validation failed for firmware \"%s\"\n",
1756 			       fw_name);
1757 			goto out;
1758 		} else {
1759 			new_fw++;
1760 		}
1761 	}
1762 
1763 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", new_chip_name);
1764 	err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
1765 	if (err) {
1766 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", chip_name);
1767 		err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
1768 		if (err)
1769 			goto out;
1770 		if (rdev->rlc_fw->size != rlc_req_size) {
1771 			printk(KERN_ERR
1772 			       "si_rlc: Bogus length %zu in firmware \"%s\"\n",
1773 			       rdev->rlc_fw->size, fw_name);
1774 			err = -EINVAL;
1775 		}
1776 	} else {
1777 		err = radeon_ucode_validate(rdev->rlc_fw);
1778 		if (err) {
1779 			printk(KERN_ERR
1780 			       "si_cp: validation failed for firmware \"%s\"\n",
1781 			       fw_name);
1782 			goto out;
1783 		} else {
1784 			new_fw++;
1785 		}
1786 	}
1787 
1788 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", new_chip_name);
1789 	err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
1790 	if (err) {
1791 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc2.bin", chip_name);
1792 		err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
1793 		if (err) {
1794 			snprintf(fw_name, sizeof(fw_name), "radeon/%s_mc.bin", chip_name);
1795 			err = request_firmware(&rdev->mc_fw, fw_name, rdev->dev);
1796 			if (err)
1797 				goto out;
1798 		}
1799 		if ((rdev->mc_fw->size != mc_req_size) &&
1800 		    (rdev->mc_fw->size != mc2_req_size)) {
1801 			printk(KERN_ERR
1802 			       "si_mc: Bogus length %zu in firmware \"%s\"\n",
1803 			       rdev->mc_fw->size, fw_name);
1804 			err = -EINVAL;
1805 		}
1806 		DRM_INFO("%s: %zu bytes\n", fw_name, rdev->mc_fw->size);
1807 	} else {
1808 		err = radeon_ucode_validate(rdev->mc_fw);
1809 		if (err) {
1810 			printk(KERN_ERR
1811 			       "si_cp: validation failed for firmware \"%s\"\n",
1812 			       fw_name);
1813 			goto out;
1814 		} else {
1815 			new_fw++;
1816 		}
1817 	}
1818 
1819 	snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", new_chip_name);
1820 	err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
1821 	if (err) {
1822 		snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", chip_name);
1823 		err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
1824 		if (err) {
1825 			printk(KERN_ERR
1826 			       "smc: error loading firmware \"%s\"\n",
1827 			       fw_name);
1828 			release_firmware(rdev->smc_fw);
1829 			rdev->smc_fw = NULL;
1830 			err = 0;
1831 		} else if (rdev->smc_fw->size != smc_req_size) {
1832 			printk(KERN_ERR
1833 			       "si_smc: Bogus length %zu in firmware \"%s\"\n",
1834 			       rdev->smc_fw->size, fw_name);
1835 			err = -EINVAL;
1836 		}
1837 	} else {
1838 		err = radeon_ucode_validate(rdev->smc_fw);
1839 		if (err) {
1840 			printk(KERN_ERR
1841 			       "si_cp: validation failed for firmware \"%s\"\n",
1842 			       fw_name);
1843 			goto out;
1844 		} else {
1845 			new_fw++;
1846 		}
1847 	}
1848 
1849 	if (new_fw == 0) {
1850 		rdev->new_fw = false;
1851 	} else if (new_fw < 6) {
1852 		printk(KERN_ERR "si_fw: mixing new and old firmware!\n");
1853 		err = -EINVAL;
1854 	} else {
1855 		rdev->new_fw = true;
1856 	}
1857 out:
1858 	if (err) {
1859 		if (err != -EINVAL)
1860 			printk(KERN_ERR
1861 			       "si_cp: Failed to load firmware \"%s\"\n",
1862 			       fw_name);
1863 		release_firmware(rdev->pfp_fw);
1864 		rdev->pfp_fw = NULL;
1865 		release_firmware(rdev->me_fw);
1866 		rdev->me_fw = NULL;
1867 		release_firmware(rdev->ce_fw);
1868 		rdev->ce_fw = NULL;
1869 		release_firmware(rdev->rlc_fw);
1870 		rdev->rlc_fw = NULL;
1871 		release_firmware(rdev->mc_fw);
1872 		rdev->mc_fw = NULL;
1873 		release_firmware(rdev->smc_fw);
1874 		rdev->smc_fw = NULL;
1875 	}
1876 	return err;
1877 }
1878 
1879 /* watermark setup */
1880 static u32 dce6_line_buffer_adjust(struct radeon_device *rdev,
1881 				   struct radeon_crtc *radeon_crtc,
1882 				   struct drm_display_mode *mode,
1883 				   struct drm_display_mode *other_mode)
1884 {
1885 	u32 tmp, buffer_alloc, i;
1886 	u32 pipe_offset = radeon_crtc->crtc_id * 0x20;
1887 	/*
1888 	 * Line Buffer Setup
1889 	 * There are 3 line buffers, each one shared by 2 display controllers.
1890 	 * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between
1891 	 * the display controllers.  The paritioning is done via one of four
1892 	 * preset allocations specified in bits 21:20:
1893 	 *  0 - half lb
1894 	 *  2 - whole lb, other crtc must be disabled
1895 	 */
1896 	/* this can get tricky if we have two large displays on a paired group
1897 	 * of crtcs.  Ideally for multiple large displays we'd assign them to
1898 	 * non-linked crtcs for maximum line buffer allocation.
1899 	 */
1900 	if (radeon_crtc->base.enabled && mode) {
1901 		if (other_mode) {
1902 			tmp = 0; /* 1/2 */
1903 			buffer_alloc = 1;
1904 		} else {
1905 			tmp = 2; /* whole */
1906 			buffer_alloc = 2;
1907 		}
1908 	} else {
1909 		tmp = 0;
1910 		buffer_alloc = 0;
1911 	}
1912 
1913 	WREG32(DC_LB_MEMORY_SPLIT + radeon_crtc->crtc_offset,
1914 	       DC_LB_MEMORY_CONFIG(tmp));
1915 
1916 	WREG32(PIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
1917 	       DMIF_BUFFERS_ALLOCATED(buffer_alloc));
1918 	for (i = 0; i < rdev->usec_timeout; i++) {
1919 		if (RREG32(PIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
1920 		    DMIF_BUFFERS_ALLOCATED_COMPLETED)
1921 			break;
1922 		udelay(1);
1923 	}
1924 
1925 	if (radeon_crtc->base.enabled && mode) {
1926 		switch (tmp) {
1927 		case 0:
1928 		default:
1929 			return 4096 * 2;
1930 		case 2:
1931 			return 8192 * 2;
1932 		}
1933 	}
1934 
1935 	/* controller not enabled, so no lb used */
1936 	return 0;
1937 }
1938 
1939 static u32 si_get_number_of_dram_channels(struct radeon_device *rdev)
1940 {
1941 	u32 tmp = RREG32(MC_SHARED_CHMAP);
1942 
1943 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1944 	case 0:
1945 	default:
1946 		return 1;
1947 	case 1:
1948 		return 2;
1949 	case 2:
1950 		return 4;
1951 	case 3:
1952 		return 8;
1953 	case 4:
1954 		return 3;
1955 	case 5:
1956 		return 6;
1957 	case 6:
1958 		return 10;
1959 	case 7:
1960 		return 12;
1961 	case 8:
1962 		return 16;
1963 	}
1964 }
1965 
1966 struct dce6_wm_params {
1967 	u32 dram_channels; /* number of dram channels */
1968 	u32 yclk;          /* bandwidth per dram data pin in kHz */
1969 	u32 sclk;          /* engine clock in kHz */
1970 	u32 disp_clk;      /* display clock in kHz */
1971 	u32 src_width;     /* viewport width */
1972 	u32 active_time;   /* active display time in ns */
1973 	u32 blank_time;    /* blank time in ns */
1974 	bool interlaced;    /* mode is interlaced */
1975 	fixed20_12 vsc;    /* vertical scale ratio */
1976 	u32 num_heads;     /* number of active crtcs */
1977 	u32 bytes_per_pixel; /* bytes per pixel display + overlay */
1978 	u32 lb_size;       /* line buffer allocated to pipe */
1979 	u32 vtaps;         /* vertical scaler taps */
1980 };
1981 
1982 static u32 dce6_dram_bandwidth(struct dce6_wm_params *wm)
1983 {
1984 	/* Calculate raw DRAM Bandwidth */
1985 	fixed20_12 dram_efficiency; /* 0.7 */
1986 	fixed20_12 yclk, dram_channels, bandwidth;
1987 	fixed20_12 a;
1988 
1989 	a.full = dfixed_const(1000);
1990 	yclk.full = dfixed_const(wm->yclk);
1991 	yclk.full = dfixed_div(yclk, a);
1992 	dram_channels.full = dfixed_const(wm->dram_channels * 4);
1993 	a.full = dfixed_const(10);
1994 	dram_efficiency.full = dfixed_const(7);
1995 	dram_efficiency.full = dfixed_div(dram_efficiency, a);
1996 	bandwidth.full = dfixed_mul(dram_channels, yclk);
1997 	bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
1998 
1999 	return dfixed_trunc(bandwidth);
2000 }
2001 
2002 static u32 dce6_dram_bandwidth_for_display(struct dce6_wm_params *wm)
2003 {
2004 	/* Calculate DRAM Bandwidth and the part allocated to display. */
2005 	fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
2006 	fixed20_12 yclk, dram_channels, bandwidth;
2007 	fixed20_12 a;
2008 
2009 	a.full = dfixed_const(1000);
2010 	yclk.full = dfixed_const(wm->yclk);
2011 	yclk.full = dfixed_div(yclk, a);
2012 	dram_channels.full = dfixed_const(wm->dram_channels * 4);
2013 	a.full = dfixed_const(10);
2014 	disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
2015 	disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
2016 	bandwidth.full = dfixed_mul(dram_channels, yclk);
2017 	bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
2018 
2019 	return dfixed_trunc(bandwidth);
2020 }
2021 
2022 static u32 dce6_data_return_bandwidth(struct dce6_wm_params *wm)
2023 {
2024 	/* Calculate the display Data return Bandwidth */
2025 	fixed20_12 return_efficiency; /* 0.8 */
2026 	fixed20_12 sclk, bandwidth;
2027 	fixed20_12 a;
2028 
2029 	a.full = dfixed_const(1000);
2030 	sclk.full = dfixed_const(wm->sclk);
2031 	sclk.full = dfixed_div(sclk, a);
2032 	a.full = dfixed_const(10);
2033 	return_efficiency.full = dfixed_const(8);
2034 	return_efficiency.full = dfixed_div(return_efficiency, a);
2035 	a.full = dfixed_const(32);
2036 	bandwidth.full = dfixed_mul(a, sclk);
2037 	bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
2038 
2039 	return dfixed_trunc(bandwidth);
2040 }
2041 
2042 static u32 dce6_get_dmif_bytes_per_request(struct dce6_wm_params *wm)
2043 {
2044 	return 32;
2045 }
2046 
2047 static u32 dce6_dmif_request_bandwidth(struct dce6_wm_params *wm)
2048 {
2049 	/* Calculate the DMIF Request Bandwidth */
2050 	fixed20_12 disp_clk_request_efficiency; /* 0.8 */
2051 	fixed20_12 disp_clk, sclk, bandwidth;
2052 	fixed20_12 a, b1, b2;
2053 	u32 min_bandwidth;
2054 
2055 	a.full = dfixed_const(1000);
2056 	disp_clk.full = dfixed_const(wm->disp_clk);
2057 	disp_clk.full = dfixed_div(disp_clk, a);
2058 	a.full = dfixed_const(dce6_get_dmif_bytes_per_request(wm) / 2);
2059 	b1.full = dfixed_mul(a, disp_clk);
2060 
2061 	a.full = dfixed_const(1000);
2062 	sclk.full = dfixed_const(wm->sclk);
2063 	sclk.full = dfixed_div(sclk, a);
2064 	a.full = dfixed_const(dce6_get_dmif_bytes_per_request(wm));
2065 	b2.full = dfixed_mul(a, sclk);
2066 
2067 	a.full = dfixed_const(10);
2068 	disp_clk_request_efficiency.full = dfixed_const(8);
2069 	disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
2070 
2071 	min_bandwidth = min(dfixed_trunc(b1), dfixed_trunc(b2));
2072 
2073 	a.full = dfixed_const(min_bandwidth);
2074 	bandwidth.full = dfixed_mul(a, disp_clk_request_efficiency);
2075 
2076 	return dfixed_trunc(bandwidth);
2077 }
2078 
2079 static u32 dce6_available_bandwidth(struct dce6_wm_params *wm)
2080 {
2081 	/* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
2082 	u32 dram_bandwidth = dce6_dram_bandwidth(wm);
2083 	u32 data_return_bandwidth = dce6_data_return_bandwidth(wm);
2084 	u32 dmif_req_bandwidth = dce6_dmif_request_bandwidth(wm);
2085 
2086 	return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
2087 }
2088 
2089 static u32 dce6_average_bandwidth(struct dce6_wm_params *wm)
2090 {
2091 	/* Calculate the display mode Average Bandwidth
2092 	 * DisplayMode should contain the source and destination dimensions,
2093 	 * timing, etc.
2094 	 */
2095 	fixed20_12 bpp;
2096 	fixed20_12 line_time;
2097 	fixed20_12 src_width;
2098 	fixed20_12 bandwidth;
2099 	fixed20_12 a;
2100 
2101 	a.full = dfixed_const(1000);
2102 	line_time.full = dfixed_const(wm->active_time + wm->blank_time);
2103 	line_time.full = dfixed_div(line_time, a);
2104 	bpp.full = dfixed_const(wm->bytes_per_pixel);
2105 	src_width.full = dfixed_const(wm->src_width);
2106 	bandwidth.full = dfixed_mul(src_width, bpp);
2107 	bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
2108 	bandwidth.full = dfixed_div(bandwidth, line_time);
2109 
2110 	return dfixed_trunc(bandwidth);
2111 }
2112 
2113 static u32 dce6_latency_watermark(struct dce6_wm_params *wm)
2114 {
2115 	/* First calcualte the latency in ns */
2116 	u32 mc_latency = 2000; /* 2000 ns. */
2117 	u32 available_bandwidth = dce6_available_bandwidth(wm);
2118 	u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
2119 	u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
2120 	u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
2121 	u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
2122 		(wm->num_heads * cursor_line_pair_return_time);
2123 	u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
2124 	u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
2125 	u32 tmp, dmif_size = 12288;
2126 	fixed20_12 a, b, c;
2127 
2128 	if (wm->num_heads == 0)
2129 		return 0;
2130 
2131 	a.full = dfixed_const(2);
2132 	b.full = dfixed_const(1);
2133 	if ((wm->vsc.full > a.full) ||
2134 	    ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
2135 	    (wm->vtaps >= 5) ||
2136 	    ((wm->vsc.full >= a.full) && wm->interlaced))
2137 		max_src_lines_per_dst_line = 4;
2138 	else
2139 		max_src_lines_per_dst_line = 2;
2140 
2141 	a.full = dfixed_const(available_bandwidth);
2142 	b.full = dfixed_const(wm->num_heads);
2143 	a.full = dfixed_div(a, b);
2144 
2145 	b.full = dfixed_const(mc_latency + 512);
2146 	c.full = dfixed_const(wm->disp_clk);
2147 	b.full = dfixed_div(b, c);
2148 
2149 	c.full = dfixed_const(dmif_size);
2150 	b.full = dfixed_div(c, b);
2151 
2152 	tmp = min(dfixed_trunc(a), dfixed_trunc(b));
2153 
2154 	b.full = dfixed_const(1000);
2155 	c.full = dfixed_const(wm->disp_clk);
2156 	b.full = dfixed_div(c, b);
2157 	c.full = dfixed_const(wm->bytes_per_pixel);
2158 	b.full = dfixed_mul(b, c);
2159 
2160 	lb_fill_bw = min(tmp, dfixed_trunc(b));
2161 
2162 	a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
2163 	b.full = dfixed_const(1000);
2164 	c.full = dfixed_const(lb_fill_bw);
2165 	b.full = dfixed_div(c, b);
2166 	a.full = dfixed_div(a, b);
2167 	line_fill_time = dfixed_trunc(a);
2168 
2169 	if (line_fill_time < wm->active_time)
2170 		return latency;
2171 	else
2172 		return latency + (line_fill_time - wm->active_time);
2173 
2174 }
2175 
2176 static bool dce6_average_bandwidth_vs_dram_bandwidth_for_display(struct dce6_wm_params *wm)
2177 {
2178 	if (dce6_average_bandwidth(wm) <=
2179 	    (dce6_dram_bandwidth_for_display(wm) / wm->num_heads))
2180 		return true;
2181 	else
2182 		return false;
2183 };
2184 
2185 static bool dce6_average_bandwidth_vs_available_bandwidth(struct dce6_wm_params *wm)
2186 {
2187 	if (dce6_average_bandwidth(wm) <=
2188 	    (dce6_available_bandwidth(wm) / wm->num_heads))
2189 		return true;
2190 	else
2191 		return false;
2192 };
2193 
2194 static bool dce6_check_latency_hiding(struct dce6_wm_params *wm)
2195 {
2196 	u32 lb_partitions = wm->lb_size / wm->src_width;
2197 	u32 line_time = wm->active_time + wm->blank_time;
2198 	u32 latency_tolerant_lines;
2199 	u32 latency_hiding;
2200 	fixed20_12 a;
2201 
2202 	a.full = dfixed_const(1);
2203 	if (wm->vsc.full > a.full)
2204 		latency_tolerant_lines = 1;
2205 	else {
2206 		if (lb_partitions <= (wm->vtaps + 1))
2207 			latency_tolerant_lines = 1;
2208 		else
2209 			latency_tolerant_lines = 2;
2210 	}
2211 
2212 	latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
2213 
2214 	if (dce6_latency_watermark(wm) <= latency_hiding)
2215 		return true;
2216 	else
2217 		return false;
2218 }
2219 
2220 static void dce6_program_watermarks(struct radeon_device *rdev,
2221 					 struct radeon_crtc *radeon_crtc,
2222 					 u32 lb_size, u32 num_heads)
2223 {
2224 	struct drm_display_mode *mode = &radeon_crtc->base.mode;
2225 	struct dce6_wm_params wm_low, wm_high;
2226 	u32 dram_channels;
2227 	u32 pixel_period;
2228 	u32 line_time = 0;
2229 	u32 latency_watermark_a = 0, latency_watermark_b = 0;
2230 	u32 priority_a_mark = 0, priority_b_mark = 0;
2231 	u32 priority_a_cnt = PRIORITY_OFF;
2232 	u32 priority_b_cnt = PRIORITY_OFF;
2233 	u32 tmp, arb_control3;
2234 	fixed20_12 a, b, c;
2235 
2236 	if (radeon_crtc->base.enabled && num_heads && mode) {
2237 		pixel_period = 1000000 / (u32)mode->clock;
2238 		line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
2239 		priority_a_cnt = 0;
2240 		priority_b_cnt = 0;
2241 
2242 		if (rdev->family == CHIP_ARUBA)
2243 			dram_channels = evergreen_get_number_of_dram_channels(rdev);
2244 		else
2245 			dram_channels = si_get_number_of_dram_channels(rdev);
2246 
2247 		/* watermark for high clocks */
2248 		if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
2249 			wm_high.yclk =
2250 				radeon_dpm_get_mclk(rdev, false) * 10;
2251 			wm_high.sclk =
2252 				radeon_dpm_get_sclk(rdev, false) * 10;
2253 		} else {
2254 			wm_high.yclk = rdev->pm.current_mclk * 10;
2255 			wm_high.sclk = rdev->pm.current_sclk * 10;
2256 		}
2257 
2258 		wm_high.disp_clk = mode->clock;
2259 		wm_high.src_width = mode->crtc_hdisplay;
2260 		wm_high.active_time = mode->crtc_hdisplay * pixel_period;
2261 		wm_high.blank_time = line_time - wm_high.active_time;
2262 		wm_high.interlaced = false;
2263 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2264 			wm_high.interlaced = true;
2265 		wm_high.vsc = radeon_crtc->vsc;
2266 		wm_high.vtaps = 1;
2267 		if (radeon_crtc->rmx_type != RMX_OFF)
2268 			wm_high.vtaps = 2;
2269 		wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
2270 		wm_high.lb_size = lb_size;
2271 		wm_high.dram_channels = dram_channels;
2272 		wm_high.num_heads = num_heads;
2273 
2274 		/* watermark for low clocks */
2275 		if ((rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled) {
2276 			wm_low.yclk =
2277 				radeon_dpm_get_mclk(rdev, true) * 10;
2278 			wm_low.sclk =
2279 				radeon_dpm_get_sclk(rdev, true) * 10;
2280 		} else {
2281 			wm_low.yclk = rdev->pm.current_mclk * 10;
2282 			wm_low.sclk = rdev->pm.current_sclk * 10;
2283 		}
2284 
2285 		wm_low.disp_clk = mode->clock;
2286 		wm_low.src_width = mode->crtc_hdisplay;
2287 		wm_low.active_time = mode->crtc_hdisplay * pixel_period;
2288 		wm_low.blank_time = line_time - wm_low.active_time;
2289 		wm_low.interlaced = false;
2290 		if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2291 			wm_low.interlaced = true;
2292 		wm_low.vsc = radeon_crtc->vsc;
2293 		wm_low.vtaps = 1;
2294 		if (radeon_crtc->rmx_type != RMX_OFF)
2295 			wm_low.vtaps = 2;
2296 		wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
2297 		wm_low.lb_size = lb_size;
2298 		wm_low.dram_channels = dram_channels;
2299 		wm_low.num_heads = num_heads;
2300 
2301 		/* set for high clocks */
2302 		latency_watermark_a = min(dce6_latency_watermark(&wm_high), (u32)65535);
2303 		/* set for low clocks */
2304 		latency_watermark_b = min(dce6_latency_watermark(&wm_low), (u32)65535);
2305 
2306 		/* possibly force display priority to high */
2307 		/* should really do this at mode validation time... */
2308 		if (!dce6_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
2309 		    !dce6_average_bandwidth_vs_available_bandwidth(&wm_high) ||
2310 		    !dce6_check_latency_hiding(&wm_high) ||
2311 		    (rdev->disp_priority == 2)) {
2312 			DRM_DEBUG_KMS("force priority to high\n");
2313 			priority_a_cnt |= PRIORITY_ALWAYS_ON;
2314 			priority_b_cnt |= PRIORITY_ALWAYS_ON;
2315 		}
2316 		if (!dce6_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
2317 		    !dce6_average_bandwidth_vs_available_bandwidth(&wm_low) ||
2318 		    !dce6_check_latency_hiding(&wm_low) ||
2319 		    (rdev->disp_priority == 2)) {
2320 			DRM_DEBUG_KMS("force priority to high\n");
2321 			priority_a_cnt |= PRIORITY_ALWAYS_ON;
2322 			priority_b_cnt |= PRIORITY_ALWAYS_ON;
2323 		}
2324 
2325 		a.full = dfixed_const(1000);
2326 		b.full = dfixed_const(mode->clock);
2327 		b.full = dfixed_div(b, a);
2328 		c.full = dfixed_const(latency_watermark_a);
2329 		c.full = dfixed_mul(c, b);
2330 		c.full = dfixed_mul(c, radeon_crtc->hsc);
2331 		c.full = dfixed_div(c, a);
2332 		a.full = dfixed_const(16);
2333 		c.full = dfixed_div(c, a);
2334 		priority_a_mark = dfixed_trunc(c);
2335 		priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
2336 
2337 		a.full = dfixed_const(1000);
2338 		b.full = dfixed_const(mode->clock);
2339 		b.full = dfixed_div(b, a);
2340 		c.full = dfixed_const(latency_watermark_b);
2341 		c.full = dfixed_mul(c, b);
2342 		c.full = dfixed_mul(c, radeon_crtc->hsc);
2343 		c.full = dfixed_div(c, a);
2344 		a.full = dfixed_const(16);
2345 		c.full = dfixed_div(c, a);
2346 		priority_b_mark = dfixed_trunc(c);
2347 		priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
2348 	}
2349 
2350 	/* select wm A */
2351 	arb_control3 = RREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset);
2352 	tmp = arb_control3;
2353 	tmp &= ~LATENCY_WATERMARK_MASK(3);
2354 	tmp |= LATENCY_WATERMARK_MASK(1);
2355 	WREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset, tmp);
2356 	WREG32(DPG_PIPE_LATENCY_CONTROL + radeon_crtc->crtc_offset,
2357 	       (LATENCY_LOW_WATERMARK(latency_watermark_a) |
2358 		LATENCY_HIGH_WATERMARK(line_time)));
2359 	/* select wm B */
2360 	tmp = RREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset);
2361 	tmp &= ~LATENCY_WATERMARK_MASK(3);
2362 	tmp |= LATENCY_WATERMARK_MASK(2);
2363 	WREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset, tmp);
2364 	WREG32(DPG_PIPE_LATENCY_CONTROL + radeon_crtc->crtc_offset,
2365 	       (LATENCY_LOW_WATERMARK(latency_watermark_b) |
2366 		LATENCY_HIGH_WATERMARK(line_time)));
2367 	/* restore original selection */
2368 	WREG32(DPG_PIPE_ARBITRATION_CONTROL3 + radeon_crtc->crtc_offset, arb_control3);
2369 
2370 	/* write the priority marks */
2371 	WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt);
2372 	WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt);
2373 
2374 	/* save values for DPM */
2375 	radeon_crtc->line_time = line_time;
2376 	radeon_crtc->wm_high = latency_watermark_a;
2377 	radeon_crtc->wm_low = latency_watermark_b;
2378 }
2379 
2380 void dce6_bandwidth_update(struct radeon_device *rdev)
2381 {
2382 	struct drm_display_mode *mode0 = NULL;
2383 	struct drm_display_mode *mode1 = NULL;
2384 	u32 num_heads = 0, lb_size;
2385 	int i;
2386 
2387 	if (!rdev->mode_info.mode_config_initialized)
2388 		return;
2389 
2390 	radeon_update_display_priority(rdev);
2391 
2392 	for (i = 0; i < rdev->num_crtc; i++) {
2393 		if (rdev->mode_info.crtcs[i]->base.enabled)
2394 			num_heads++;
2395 	}
2396 	for (i = 0; i < rdev->num_crtc; i += 2) {
2397 		mode0 = &rdev->mode_info.crtcs[i]->base.mode;
2398 		mode1 = &rdev->mode_info.crtcs[i+1]->base.mode;
2399 		lb_size = dce6_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i], mode0, mode1);
2400 		dce6_program_watermarks(rdev, rdev->mode_info.crtcs[i], lb_size, num_heads);
2401 		lb_size = dce6_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i+1], mode1, mode0);
2402 		dce6_program_watermarks(rdev, rdev->mode_info.crtcs[i+1], lb_size, num_heads);
2403 	}
2404 }
2405 
2406 /*
2407  * Core functions
2408  */
2409 static void si_tiling_mode_table_init(struct radeon_device *rdev)
2410 {
2411 	const u32 num_tile_mode_states = 32;
2412 	u32 reg_offset, gb_tile_moden, split_equal_to_row_size;
2413 
2414 	switch (rdev->config.si.mem_row_size_in_kb) {
2415 	case 1:
2416 		split_equal_to_row_size = ADDR_SURF_TILE_SPLIT_1KB;
2417 		break;
2418 	case 2:
2419 	default:
2420 		split_equal_to_row_size = ADDR_SURF_TILE_SPLIT_2KB;
2421 		break;
2422 	case 4:
2423 		split_equal_to_row_size = ADDR_SURF_TILE_SPLIT_4KB;
2424 		break;
2425 	}
2426 
2427 	if ((rdev->family == CHIP_TAHITI) ||
2428 	    (rdev->family == CHIP_PITCAIRN)) {
2429 		for (reg_offset = 0; reg_offset < num_tile_mode_states; reg_offset++) {
2430 			switch (reg_offset) {
2431 			case 0:  /* non-AA compressed depth or any compressed stencil */
2432 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2433 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2434 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2435 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2436 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2437 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2438 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2439 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2440 				break;
2441 			case 1:  /* 2xAA/4xAA compressed depth only */
2442 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2443 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2444 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2445 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
2446 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2447 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2448 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2449 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2450 				break;
2451 			case 2:  /* 8xAA compressed depth only */
2452 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2453 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2454 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2455 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2456 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2457 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2458 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2459 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2460 				break;
2461 			case 3:  /* 2xAA/4xAA compressed depth with stencil (for depth buffer) */
2462 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2463 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2464 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2465 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
2466 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2467 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2468 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2469 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2470 				break;
2471 			case 4:  /* Maps w/ a dimension less than the 2D macro-tile dimensions (for mipmapped depth textures) */
2472 				gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2473 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2474 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2475 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2476 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2477 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2478 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2479 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2480 				break;
2481 			case 5:  /* Uncompressed 16bpp depth - and stencil buffer allocated with it */
2482 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2483 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2484 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2485 						 TILE_SPLIT(split_equal_to_row_size) |
2486 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2487 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2488 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2489 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2490 				break;
2491 			case 6:  /* Uncompressed 32bpp depth - and stencil buffer allocated with it */
2492 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2493 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2494 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2495 						 TILE_SPLIT(split_equal_to_row_size) |
2496 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2497 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2498 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2499 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2500 				break;
2501 			case 7:  /* Uncompressed 8bpp stencil without depth (drivers typically do not use) */
2502 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2503 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2504 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2505 						 TILE_SPLIT(split_equal_to_row_size) |
2506 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2507 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2508 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2509 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2510 				break;
2511 			case 8:  /* 1D and 1D Array Surfaces */
2512 				gb_tile_moden = (ARRAY_MODE(ARRAY_LINEAR_ALIGNED) |
2513 						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2514 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2515 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2516 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2517 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2518 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2519 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2520 				break;
2521 			case 9:  /* Displayable maps. */
2522 				gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2523 						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2524 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2525 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2526 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2527 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2528 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2529 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2530 				break;
2531 			case 10:  /* Display 8bpp. */
2532 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2533 						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2534 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2535 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2536 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2537 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2538 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2539 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2540 				break;
2541 			case 11:  /* Display 16bpp. */
2542 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2543 						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2544 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2545 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2546 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2547 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2548 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2549 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2550 				break;
2551 			case 12:  /* Display 32bpp. */
2552 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2553 						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2554 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2555 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2556 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2557 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2558 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2559 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2560 				break;
2561 			case 13:  /* Thin. */
2562 				gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2563 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2564 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2565 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2566 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2567 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2568 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2569 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2570 				break;
2571 			case 14:  /* Thin 8 bpp. */
2572 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2573 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2574 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2575 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2576 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2577 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2578 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2579 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2580 				break;
2581 			case 15:  /* Thin 16 bpp. */
2582 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2583 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2584 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2585 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2586 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2587 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2588 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2589 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2590 				break;
2591 			case 16:  /* Thin 32 bpp. */
2592 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2593 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2594 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2595 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2596 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2597 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2598 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2599 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2600 				break;
2601 			case 17:  /* Thin 64 bpp. */
2602 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2603 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2604 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2605 						 TILE_SPLIT(split_equal_to_row_size) |
2606 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2607 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2608 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2609 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2610 				break;
2611 			case 21:  /* 8 bpp PRT. */
2612 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2613 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2614 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2615 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2616 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2617 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_2) |
2618 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2619 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2620 				break;
2621 			case 22:  /* 16 bpp PRT */
2622 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2623 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2624 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2625 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2626 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2627 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2628 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2629 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2630 				break;
2631 			case 23:  /* 32 bpp PRT */
2632 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2633 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2634 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2635 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2636 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2637 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2638 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2639 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2640 				break;
2641 			case 24:  /* 64 bpp PRT */
2642 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2643 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2644 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2645 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2646 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2647 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2648 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2649 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2650 				break;
2651 			case 25:  /* 128 bpp PRT */
2652 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2653 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2654 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2655 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_1KB) |
2656 						 NUM_BANKS(ADDR_SURF_8_BANK) |
2657 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2658 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2659 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2660 				break;
2661 			default:
2662 				gb_tile_moden = 0;
2663 				break;
2664 			}
2665 			rdev->config.si.tile_mode_array[reg_offset] = gb_tile_moden;
2666 			WREG32(GB_TILE_MODE0 + (reg_offset * 4), gb_tile_moden);
2667 		}
2668 	} else if ((rdev->family == CHIP_VERDE) ||
2669 		   (rdev->family == CHIP_OLAND) ||
2670 		   (rdev->family == CHIP_HAINAN)) {
2671 		for (reg_offset = 0; reg_offset < num_tile_mode_states; reg_offset++) {
2672 			switch (reg_offset) {
2673 			case 0:  /* non-AA compressed depth or any compressed stencil */
2674 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2675 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2676 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2677 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2678 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2679 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2680 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2681 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2682 				break;
2683 			case 1:  /* 2xAA/4xAA compressed depth only */
2684 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2685 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2686 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2687 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
2688 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2689 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2690 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2691 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2692 				break;
2693 			case 2:  /* 8xAA compressed depth only */
2694 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2695 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2696 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2697 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2698 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2699 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2700 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2701 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2702 				break;
2703 			case 3:  /* 2xAA/4xAA compressed depth with stencil (for depth buffer) */
2704 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2705 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2706 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2707 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
2708 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2709 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2710 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2711 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2712 				break;
2713 			case 4:  /* Maps w/ a dimension less than the 2D macro-tile dimensions (for mipmapped depth textures) */
2714 				gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2715 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2716 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2717 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2718 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2719 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2720 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2721 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2722 				break;
2723 			case 5:  /* Uncompressed 16bpp depth - and stencil buffer allocated with it */
2724 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2725 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2726 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2727 						 TILE_SPLIT(split_equal_to_row_size) |
2728 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2729 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2730 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2731 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2732 				break;
2733 			case 6:  /* Uncompressed 32bpp depth - and stencil buffer allocated with it */
2734 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2735 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2736 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2737 						 TILE_SPLIT(split_equal_to_row_size) |
2738 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2739 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2740 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2741 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2742 				break;
2743 			case 7:  /* Uncompressed 8bpp stencil without depth (drivers typically do not use) */
2744 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2745 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2746 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2747 						 TILE_SPLIT(split_equal_to_row_size) |
2748 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2749 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2750 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2751 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2752 				break;
2753 			case 8:  /* 1D and 1D Array Surfaces */
2754 				gb_tile_moden = (ARRAY_MODE(ARRAY_LINEAR_ALIGNED) |
2755 						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2756 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2757 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2758 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2759 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2760 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2761 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2762 				break;
2763 			case 9:  /* Displayable maps. */
2764 				gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2765 						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2766 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2767 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2768 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2769 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2770 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2771 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2772 				break;
2773 			case 10:  /* Display 8bpp. */
2774 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2775 						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2776 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2777 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2778 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2779 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2780 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2781 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2782 				break;
2783 			case 11:  /* Display 16bpp. */
2784 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2785 						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2786 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2787 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2788 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2789 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2790 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2791 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2792 				break;
2793 			case 12:  /* Display 32bpp. */
2794 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2795 						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2796 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2797 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2798 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2799 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2800 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2801 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2802 				break;
2803 			case 13:  /* Thin. */
2804 				gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2805 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2806 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2807 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2808 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2809 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2810 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2811 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2812 				break;
2813 			case 14:  /* Thin 8 bpp. */
2814 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2815 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2816 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2817 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2818 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2819 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2820 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2821 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2822 				break;
2823 			case 15:  /* Thin 16 bpp. */
2824 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2825 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2826 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2827 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2828 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2829 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2830 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2831 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2832 				break;
2833 			case 16:  /* Thin 32 bpp. */
2834 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2835 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2836 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2837 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2838 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2839 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2840 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2841 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2842 				break;
2843 			case 17:  /* Thin 64 bpp. */
2844 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2845 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2846 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2847 						 TILE_SPLIT(split_equal_to_row_size) |
2848 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2849 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2850 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2851 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2852 				break;
2853 			case 21:  /* 8 bpp PRT. */
2854 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2855 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2856 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2857 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2858 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2859 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_2) |
2860 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2861 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2862 				break;
2863 			case 22:  /* 16 bpp PRT */
2864 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2865 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2866 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2867 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2868 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2869 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2870 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2871 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2872 				break;
2873 			case 23:  /* 32 bpp PRT */
2874 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2875 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2876 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2877 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2878 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2879 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2880 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2881 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2882 				break;
2883 			case 24:  /* 64 bpp PRT */
2884 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2885 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2886 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2887 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2888 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2889 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2890 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2891 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2892 				break;
2893 			case 25:  /* 128 bpp PRT */
2894 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2895 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2896 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2897 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_1KB) |
2898 						 NUM_BANKS(ADDR_SURF_8_BANK) |
2899 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2900 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2901 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2902 				break;
2903 			default:
2904 				gb_tile_moden = 0;
2905 				break;
2906 			}
2907 			rdev->config.si.tile_mode_array[reg_offset] = gb_tile_moden;
2908 			WREG32(GB_TILE_MODE0 + (reg_offset * 4), gb_tile_moden);
2909 		}
2910 	} else
2911 		DRM_ERROR("unknown asic: 0x%x\n", rdev->family);
2912 }
2913 
2914 static void si_select_se_sh(struct radeon_device *rdev,
2915 			    u32 se_num, u32 sh_num)
2916 {
2917 	u32 data = INSTANCE_BROADCAST_WRITES;
2918 
2919 	if ((se_num == 0xffffffff) && (sh_num == 0xffffffff))
2920 		data |= SH_BROADCAST_WRITES | SE_BROADCAST_WRITES;
2921 	else if (se_num == 0xffffffff)
2922 		data |= SE_BROADCAST_WRITES | SH_INDEX(sh_num);
2923 	else if (sh_num == 0xffffffff)
2924 		data |= SH_BROADCAST_WRITES | SE_INDEX(se_num);
2925 	else
2926 		data |= SH_INDEX(sh_num) | SE_INDEX(se_num);
2927 	WREG32(GRBM_GFX_INDEX, data);
2928 }
2929 
2930 static u32 si_create_bitmask(u32 bit_width)
2931 {
2932 	u32 i, mask = 0;
2933 
2934 	for (i = 0; i < bit_width; i++) {
2935 		mask <<= 1;
2936 		mask |= 1;
2937 	}
2938 	return mask;
2939 }
2940 
2941 static u32 si_get_cu_enabled(struct radeon_device *rdev, u32 cu_per_sh)
2942 {
2943 	u32 data, mask;
2944 
2945 	data = RREG32(CC_GC_SHADER_ARRAY_CONFIG);
2946 	if (data & 1)
2947 		data &= INACTIVE_CUS_MASK;
2948 	else
2949 		data = 0;
2950 	data |= RREG32(GC_USER_SHADER_ARRAY_CONFIG);
2951 
2952 	data >>= INACTIVE_CUS_SHIFT;
2953 
2954 	mask = si_create_bitmask(cu_per_sh);
2955 
2956 	return ~data & mask;
2957 }
2958 
2959 static void si_setup_spi(struct radeon_device *rdev,
2960 			 u32 se_num, u32 sh_per_se,
2961 			 u32 cu_per_sh)
2962 {
2963 	int i, j, k;
2964 	u32 data, mask, active_cu;
2965 
2966 	for (i = 0; i < se_num; i++) {
2967 		for (j = 0; j < sh_per_se; j++) {
2968 			si_select_se_sh(rdev, i, j);
2969 			data = RREG32(SPI_STATIC_THREAD_MGMT_3);
2970 			active_cu = si_get_cu_enabled(rdev, cu_per_sh);
2971 
2972 			mask = 1;
2973 			for (k = 0; k < 16; k++) {
2974 				mask <<= k;
2975 				if (active_cu & mask) {
2976 					data &= ~mask;
2977 					WREG32(SPI_STATIC_THREAD_MGMT_3, data);
2978 					break;
2979 				}
2980 			}
2981 		}
2982 	}
2983 	si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
2984 }
2985 
2986 static u32 si_get_rb_disabled(struct radeon_device *rdev,
2987 			      u32 max_rb_num_per_se,
2988 			      u32 sh_per_se)
2989 {
2990 	u32 data, mask;
2991 
2992 	data = RREG32(CC_RB_BACKEND_DISABLE);
2993 	if (data & 1)
2994 		data &= BACKEND_DISABLE_MASK;
2995 	else
2996 		data = 0;
2997 	data |= RREG32(GC_USER_RB_BACKEND_DISABLE);
2998 
2999 	data >>= BACKEND_DISABLE_SHIFT;
3000 
3001 	mask = si_create_bitmask(max_rb_num_per_se / sh_per_se);
3002 
3003 	return data & mask;
3004 }
3005 
3006 static void si_setup_rb(struct radeon_device *rdev,
3007 			u32 se_num, u32 sh_per_se,
3008 			u32 max_rb_num_per_se)
3009 {
3010 	int i, j;
3011 	u32 data, mask;
3012 	u32 disabled_rbs = 0;
3013 	u32 enabled_rbs = 0;
3014 
3015 	for (i = 0; i < se_num; i++) {
3016 		for (j = 0; j < sh_per_se; j++) {
3017 			si_select_se_sh(rdev, i, j);
3018 			data = si_get_rb_disabled(rdev, max_rb_num_per_se, sh_per_se);
3019 			disabled_rbs |= data << ((i * sh_per_se + j) * TAHITI_RB_BITMAP_WIDTH_PER_SH);
3020 		}
3021 	}
3022 	si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
3023 
3024 	mask = 1;
3025 	for (i = 0; i < max_rb_num_per_se * se_num; i++) {
3026 		if (!(disabled_rbs & mask))
3027 			enabled_rbs |= mask;
3028 		mask <<= 1;
3029 	}
3030 
3031 	rdev->config.si.backend_enable_mask = enabled_rbs;
3032 
3033 	for (i = 0; i < se_num; i++) {
3034 		si_select_se_sh(rdev, i, 0xffffffff);
3035 		data = 0;
3036 		for (j = 0; j < sh_per_se; j++) {
3037 			switch (enabled_rbs & 3) {
3038 			case 1:
3039 				data |= (RASTER_CONFIG_RB_MAP_0 << (i * sh_per_se + j) * 2);
3040 				break;
3041 			case 2:
3042 				data |= (RASTER_CONFIG_RB_MAP_3 << (i * sh_per_se + j) * 2);
3043 				break;
3044 			case 3:
3045 			default:
3046 				data |= (RASTER_CONFIG_RB_MAP_2 << (i * sh_per_se + j) * 2);
3047 				break;
3048 			}
3049 			enabled_rbs >>= 2;
3050 		}
3051 		WREG32(PA_SC_RASTER_CONFIG, data);
3052 	}
3053 	si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
3054 }
3055 
3056 static void si_gpu_init(struct radeon_device *rdev)
3057 {
3058 	u32 gb_addr_config = 0;
3059 	u32 mc_shared_chmap, mc_arb_ramcfg;
3060 	u32 sx_debug_1;
3061 	u32 hdp_host_path_cntl;
3062 	u32 tmp;
3063 	int i, j;
3064 
3065 	switch (rdev->family) {
3066 	case CHIP_TAHITI:
3067 		rdev->config.si.max_shader_engines = 2;
3068 		rdev->config.si.max_tile_pipes = 12;
3069 		rdev->config.si.max_cu_per_sh = 8;
3070 		rdev->config.si.max_sh_per_se = 2;
3071 		rdev->config.si.max_backends_per_se = 4;
3072 		rdev->config.si.max_texture_channel_caches = 12;
3073 		rdev->config.si.max_gprs = 256;
3074 		rdev->config.si.max_gs_threads = 32;
3075 		rdev->config.si.max_hw_contexts = 8;
3076 
3077 		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
3078 		rdev->config.si.sc_prim_fifo_size_backend = 0x100;
3079 		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
3080 		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
3081 		gb_addr_config = TAHITI_GB_ADDR_CONFIG_GOLDEN;
3082 		break;
3083 	case CHIP_PITCAIRN:
3084 		rdev->config.si.max_shader_engines = 2;
3085 		rdev->config.si.max_tile_pipes = 8;
3086 		rdev->config.si.max_cu_per_sh = 5;
3087 		rdev->config.si.max_sh_per_se = 2;
3088 		rdev->config.si.max_backends_per_se = 4;
3089 		rdev->config.si.max_texture_channel_caches = 8;
3090 		rdev->config.si.max_gprs = 256;
3091 		rdev->config.si.max_gs_threads = 32;
3092 		rdev->config.si.max_hw_contexts = 8;
3093 
3094 		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
3095 		rdev->config.si.sc_prim_fifo_size_backend = 0x100;
3096 		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
3097 		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
3098 		gb_addr_config = TAHITI_GB_ADDR_CONFIG_GOLDEN;
3099 		break;
3100 	case CHIP_VERDE:
3101 	default:
3102 		rdev->config.si.max_shader_engines = 1;
3103 		rdev->config.si.max_tile_pipes = 4;
3104 		rdev->config.si.max_cu_per_sh = 5;
3105 		rdev->config.si.max_sh_per_se = 2;
3106 		rdev->config.si.max_backends_per_se = 4;
3107 		rdev->config.si.max_texture_channel_caches = 4;
3108 		rdev->config.si.max_gprs = 256;
3109 		rdev->config.si.max_gs_threads = 32;
3110 		rdev->config.si.max_hw_contexts = 8;
3111 
3112 		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
3113 		rdev->config.si.sc_prim_fifo_size_backend = 0x40;
3114 		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
3115 		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
3116 		gb_addr_config = VERDE_GB_ADDR_CONFIG_GOLDEN;
3117 		break;
3118 	case CHIP_OLAND:
3119 		rdev->config.si.max_shader_engines = 1;
3120 		rdev->config.si.max_tile_pipes = 4;
3121 		rdev->config.si.max_cu_per_sh = 6;
3122 		rdev->config.si.max_sh_per_se = 1;
3123 		rdev->config.si.max_backends_per_se = 2;
3124 		rdev->config.si.max_texture_channel_caches = 4;
3125 		rdev->config.si.max_gprs = 256;
3126 		rdev->config.si.max_gs_threads = 16;
3127 		rdev->config.si.max_hw_contexts = 8;
3128 
3129 		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
3130 		rdev->config.si.sc_prim_fifo_size_backend = 0x40;
3131 		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
3132 		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
3133 		gb_addr_config = VERDE_GB_ADDR_CONFIG_GOLDEN;
3134 		break;
3135 	case CHIP_HAINAN:
3136 		rdev->config.si.max_shader_engines = 1;
3137 		rdev->config.si.max_tile_pipes = 4;
3138 		rdev->config.si.max_cu_per_sh = 5;
3139 		rdev->config.si.max_sh_per_se = 1;
3140 		rdev->config.si.max_backends_per_se = 1;
3141 		rdev->config.si.max_texture_channel_caches = 2;
3142 		rdev->config.si.max_gprs = 256;
3143 		rdev->config.si.max_gs_threads = 16;
3144 		rdev->config.si.max_hw_contexts = 8;
3145 
3146 		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
3147 		rdev->config.si.sc_prim_fifo_size_backend = 0x40;
3148 		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
3149 		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
3150 		gb_addr_config = HAINAN_GB_ADDR_CONFIG_GOLDEN;
3151 		break;
3152 	}
3153 
3154 	/* Initialize HDP */
3155 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
3156 		WREG32((0x2c14 + j), 0x00000000);
3157 		WREG32((0x2c18 + j), 0x00000000);
3158 		WREG32((0x2c1c + j), 0x00000000);
3159 		WREG32((0x2c20 + j), 0x00000000);
3160 		WREG32((0x2c24 + j), 0x00000000);
3161 	}
3162 
3163 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
3164 
3165 	evergreen_fix_pci_max_read_req_size(rdev);
3166 
3167 	WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
3168 
3169 	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
3170 	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
3171 
3172 	rdev->config.si.num_tile_pipes = rdev->config.si.max_tile_pipes;
3173 	rdev->config.si.mem_max_burst_length_bytes = 256;
3174 	tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
3175 	rdev->config.si.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
3176 	if (rdev->config.si.mem_row_size_in_kb > 4)
3177 		rdev->config.si.mem_row_size_in_kb = 4;
3178 	/* XXX use MC settings? */
3179 	rdev->config.si.shader_engine_tile_size = 32;
3180 	rdev->config.si.num_gpus = 1;
3181 	rdev->config.si.multi_gpu_tile_size = 64;
3182 
3183 	/* fix up row size */
3184 	gb_addr_config &= ~ROW_SIZE_MASK;
3185 	switch (rdev->config.si.mem_row_size_in_kb) {
3186 	case 1:
3187 	default:
3188 		gb_addr_config |= ROW_SIZE(0);
3189 		break;
3190 	case 2:
3191 		gb_addr_config |= ROW_SIZE(1);
3192 		break;
3193 	case 4:
3194 		gb_addr_config |= ROW_SIZE(2);
3195 		break;
3196 	}
3197 
3198 	/* setup tiling info dword.  gb_addr_config is not adequate since it does
3199 	 * not have bank info, so create a custom tiling dword.
3200 	 * bits 3:0   num_pipes
3201 	 * bits 7:4   num_banks
3202 	 * bits 11:8  group_size
3203 	 * bits 15:12 row_size
3204 	 */
3205 	rdev->config.si.tile_config = 0;
3206 	switch (rdev->config.si.num_tile_pipes) {
3207 	case 1:
3208 		rdev->config.si.tile_config |= (0 << 0);
3209 		break;
3210 	case 2:
3211 		rdev->config.si.tile_config |= (1 << 0);
3212 		break;
3213 	case 4:
3214 		rdev->config.si.tile_config |= (2 << 0);
3215 		break;
3216 	case 8:
3217 	default:
3218 		/* XXX what about 12? */
3219 		rdev->config.si.tile_config |= (3 << 0);
3220 		break;
3221 	}
3222 	switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
3223 	case 0: /* four banks */
3224 		rdev->config.si.tile_config |= 0 << 4;
3225 		break;
3226 	case 1: /* eight banks */
3227 		rdev->config.si.tile_config |= 1 << 4;
3228 		break;
3229 	case 2: /* sixteen banks */
3230 	default:
3231 		rdev->config.si.tile_config |= 2 << 4;
3232 		break;
3233 	}
3234 	rdev->config.si.tile_config |=
3235 		((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
3236 	rdev->config.si.tile_config |=
3237 		((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
3238 
3239 	WREG32(GB_ADDR_CONFIG, gb_addr_config);
3240 	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
3241 	WREG32(DMIF_ADDR_CALC, gb_addr_config);
3242 	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
3243 	WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
3244 	WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
3245 	if (rdev->has_uvd) {
3246 		WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
3247 		WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
3248 		WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
3249 	}
3250 
3251 	si_tiling_mode_table_init(rdev);
3252 
3253 	si_setup_rb(rdev, rdev->config.si.max_shader_engines,
3254 		    rdev->config.si.max_sh_per_se,
3255 		    rdev->config.si.max_backends_per_se);
3256 
3257 	si_setup_spi(rdev, rdev->config.si.max_shader_engines,
3258 		     rdev->config.si.max_sh_per_se,
3259 		     rdev->config.si.max_cu_per_sh);
3260 
3261 	rdev->config.si.active_cus = 0;
3262 	for (i = 0; i < rdev->config.si.max_shader_engines; i++) {
3263 		for (j = 0; j < rdev->config.si.max_sh_per_se; j++) {
3264 			rdev->config.si.active_cus +=
3265 				hweight32(si_get_cu_active_bitmap(rdev, i, j));
3266 		}
3267 	}
3268 
3269 	/* set HW defaults for 3D engine */
3270 	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
3271 				     ROQ_IB2_START(0x2b)));
3272 	WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
3273 
3274 	sx_debug_1 = RREG32(SX_DEBUG_1);
3275 	WREG32(SX_DEBUG_1, sx_debug_1);
3276 
3277 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
3278 
3279 	WREG32(PA_SC_FIFO_SIZE, (SC_FRONTEND_PRIM_FIFO_SIZE(rdev->config.si.sc_prim_fifo_size_frontend) |
3280 				 SC_BACKEND_PRIM_FIFO_SIZE(rdev->config.si.sc_prim_fifo_size_backend) |
3281 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.si.sc_hiz_tile_fifo_size) |
3282 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.si.sc_earlyz_tile_fifo_size)));
3283 
3284 	WREG32(VGT_NUM_INSTANCES, 1);
3285 
3286 	WREG32(CP_PERFMON_CNTL, 0);
3287 
3288 	WREG32(SQ_CONFIG, 0);
3289 
3290 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
3291 					  FORCE_EOV_MAX_REZ_CNT(255)));
3292 
3293 	WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
3294 	       AUTO_INVLD_EN(ES_AND_GS_AUTO));
3295 
3296 	WREG32(VGT_GS_VERTEX_REUSE, 16);
3297 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
3298 
3299 	WREG32(CB_PERFCOUNTER0_SELECT0, 0);
3300 	WREG32(CB_PERFCOUNTER0_SELECT1, 0);
3301 	WREG32(CB_PERFCOUNTER1_SELECT0, 0);
3302 	WREG32(CB_PERFCOUNTER1_SELECT1, 0);
3303 	WREG32(CB_PERFCOUNTER2_SELECT0, 0);
3304 	WREG32(CB_PERFCOUNTER2_SELECT1, 0);
3305 	WREG32(CB_PERFCOUNTER3_SELECT0, 0);
3306 	WREG32(CB_PERFCOUNTER3_SELECT1, 0);
3307 
3308 	tmp = RREG32(HDP_MISC_CNTL);
3309 	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
3310 	WREG32(HDP_MISC_CNTL, tmp);
3311 
3312 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
3313 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
3314 
3315 	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
3316 
3317 	udelay(50);
3318 }
3319 
3320 /*
3321  * GPU scratch registers helpers function.
3322  */
3323 static void si_scratch_init(struct radeon_device *rdev)
3324 {
3325 	int i;
3326 
3327 	rdev->scratch.num_reg = 7;
3328 	rdev->scratch.reg_base = SCRATCH_REG0;
3329 	for (i = 0; i < rdev->scratch.num_reg; i++) {
3330 		rdev->scratch.free[i] = true;
3331 		rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
3332 	}
3333 }
3334 
3335 void si_fence_ring_emit(struct radeon_device *rdev,
3336 			struct radeon_fence *fence)
3337 {
3338 	struct radeon_ring *ring = &rdev->ring[fence->ring];
3339 	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
3340 
3341 	/* flush read cache over gart */
3342 	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3343 	radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
3344 	radeon_ring_write(ring, 0);
3345 	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
3346 	radeon_ring_write(ring, PACKET3_TCL1_ACTION_ENA |
3347 			  PACKET3_TC_ACTION_ENA |
3348 			  PACKET3_SH_KCACHE_ACTION_ENA |
3349 			  PACKET3_SH_ICACHE_ACTION_ENA);
3350 	radeon_ring_write(ring, 0xFFFFFFFF);
3351 	radeon_ring_write(ring, 0);
3352 	radeon_ring_write(ring, 10); /* poll interval */
3353 	/* EVENT_WRITE_EOP - flush caches, send int */
3354 	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
3355 	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_TS_EVENT) | EVENT_INDEX(5));
3356 	radeon_ring_write(ring, lower_32_bits(addr));
3357 	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
3358 	radeon_ring_write(ring, fence->seq);
3359 	radeon_ring_write(ring, 0);
3360 }
3361 
3362 /*
3363  * IB stuff
3364  */
3365 void si_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3366 {
3367 	struct radeon_ring *ring = &rdev->ring[ib->ring];
3368 	unsigned vm_id = ib->vm ? ib->vm->ids[ib->ring].id : 0;
3369 	u32 header;
3370 
3371 	if (ib->is_const_ib) {
3372 		/* set switch buffer packet before const IB */
3373 		radeon_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
3374 		radeon_ring_write(ring, 0);
3375 
3376 		header = PACKET3(PACKET3_INDIRECT_BUFFER_CONST, 2);
3377 	} else {
3378 		u32 next_rptr;
3379 		if (ring->rptr_save_reg) {
3380 			next_rptr = ring->wptr + 3 + 4 + 8;
3381 			radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3382 			radeon_ring_write(ring, ((ring->rptr_save_reg -
3383 						  PACKET3_SET_CONFIG_REG_START) >> 2));
3384 			radeon_ring_write(ring, next_rptr);
3385 		} else if (rdev->wb.enabled) {
3386 			next_rptr = ring->wptr + 5 + 4 + 8;
3387 			radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
3388 			radeon_ring_write(ring, (1 << 8));
3389 			radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
3390 			radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr));
3391 			radeon_ring_write(ring, next_rptr);
3392 		}
3393 
3394 		header = PACKET3(PACKET3_INDIRECT_BUFFER, 2);
3395 	}
3396 
3397 	radeon_ring_write(ring, header);
3398 	radeon_ring_write(ring,
3399 #ifdef __BIG_ENDIAN
3400 			  (2 << 0) |
3401 #endif
3402 			  (ib->gpu_addr & 0xFFFFFFFC));
3403 	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFFFF);
3404 	radeon_ring_write(ring, ib->length_dw | (vm_id << 24));
3405 
3406 	if (!ib->is_const_ib) {
3407 		/* flush read cache over gart for this vmid */
3408 		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3409 		radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
3410 		radeon_ring_write(ring, vm_id);
3411 		radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
3412 		radeon_ring_write(ring, PACKET3_TCL1_ACTION_ENA |
3413 				  PACKET3_TC_ACTION_ENA |
3414 				  PACKET3_SH_KCACHE_ACTION_ENA |
3415 				  PACKET3_SH_ICACHE_ACTION_ENA);
3416 		radeon_ring_write(ring, 0xFFFFFFFF);
3417 		radeon_ring_write(ring, 0);
3418 		radeon_ring_write(ring, 10); /* poll interval */
3419 	}
3420 }
3421 
3422 /*
3423  * CP.
3424  */
3425 static void si_cp_enable(struct radeon_device *rdev, bool enable)
3426 {
3427 	if (enable)
3428 		WREG32(CP_ME_CNTL, 0);
3429 	else {
3430 		if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
3431 			radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
3432 		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT));
3433 		WREG32(SCRATCH_UMSK, 0);
3434 		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
3435 		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
3436 		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
3437 	}
3438 	udelay(50);
3439 }
3440 
3441 static int si_cp_load_microcode(struct radeon_device *rdev)
3442 {
3443 	int i;
3444 
3445 	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw)
3446 		return -EINVAL;
3447 
3448 	si_cp_enable(rdev, false);
3449 
3450 	if (rdev->new_fw) {
3451 		const struct gfx_firmware_header_v1_0 *pfp_hdr =
3452 			(const struct gfx_firmware_header_v1_0 *)rdev->pfp_fw->data;
3453 		const struct gfx_firmware_header_v1_0 *ce_hdr =
3454 			(const struct gfx_firmware_header_v1_0 *)rdev->ce_fw->data;
3455 		const struct gfx_firmware_header_v1_0 *me_hdr =
3456 			(const struct gfx_firmware_header_v1_0 *)rdev->me_fw->data;
3457 		const __le32 *fw_data;
3458 		u32 fw_size;
3459 
3460 		radeon_ucode_print_gfx_hdr(&pfp_hdr->header);
3461 		radeon_ucode_print_gfx_hdr(&ce_hdr->header);
3462 		radeon_ucode_print_gfx_hdr(&me_hdr->header);
3463 
3464 		/* PFP */
3465 		fw_data = (const __le32 *)
3466 			(rdev->pfp_fw->data + le32_to_cpu(pfp_hdr->header.ucode_array_offset_bytes));
3467 		fw_size = le32_to_cpu(pfp_hdr->header.ucode_size_bytes) / 4;
3468 		WREG32(CP_PFP_UCODE_ADDR, 0);
3469 		for (i = 0; i < fw_size; i++)
3470 			WREG32(CP_PFP_UCODE_DATA, le32_to_cpup(fw_data++));
3471 		WREG32(CP_PFP_UCODE_ADDR, 0);
3472 
3473 		/* CE */
3474 		fw_data = (const __le32 *)
3475 			(rdev->ce_fw->data + le32_to_cpu(ce_hdr->header.ucode_array_offset_bytes));
3476 		fw_size = le32_to_cpu(ce_hdr->header.ucode_size_bytes) / 4;
3477 		WREG32(CP_CE_UCODE_ADDR, 0);
3478 		for (i = 0; i < fw_size; i++)
3479 			WREG32(CP_CE_UCODE_DATA, le32_to_cpup(fw_data++));
3480 		WREG32(CP_CE_UCODE_ADDR, 0);
3481 
3482 		/* ME */
3483 		fw_data = (const __be32 *)
3484 			(rdev->me_fw->data + le32_to_cpu(me_hdr->header.ucode_array_offset_bytes));
3485 		fw_size = le32_to_cpu(me_hdr->header.ucode_size_bytes) / 4;
3486 		WREG32(CP_ME_RAM_WADDR, 0);
3487 		for (i = 0; i < fw_size; i++)
3488 			WREG32(CP_ME_RAM_DATA, le32_to_cpup(fw_data++));
3489 		WREG32(CP_ME_RAM_WADDR, 0);
3490 	} else {
3491 		const __be32 *fw_data;
3492 
3493 		/* PFP */
3494 		fw_data = (const __be32 *)rdev->pfp_fw->data;
3495 		WREG32(CP_PFP_UCODE_ADDR, 0);
3496 		for (i = 0; i < SI_PFP_UCODE_SIZE; i++)
3497 			WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
3498 		WREG32(CP_PFP_UCODE_ADDR, 0);
3499 
3500 		/* CE */
3501 		fw_data = (const __be32 *)rdev->ce_fw->data;
3502 		WREG32(CP_CE_UCODE_ADDR, 0);
3503 		for (i = 0; i < SI_CE_UCODE_SIZE; i++)
3504 			WREG32(CP_CE_UCODE_DATA, be32_to_cpup(fw_data++));
3505 		WREG32(CP_CE_UCODE_ADDR, 0);
3506 
3507 		/* ME */
3508 		fw_data = (const __be32 *)rdev->me_fw->data;
3509 		WREG32(CP_ME_RAM_WADDR, 0);
3510 		for (i = 0; i < SI_PM4_UCODE_SIZE; i++)
3511 			WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
3512 		WREG32(CP_ME_RAM_WADDR, 0);
3513 	}
3514 
3515 	WREG32(CP_PFP_UCODE_ADDR, 0);
3516 	WREG32(CP_CE_UCODE_ADDR, 0);
3517 	WREG32(CP_ME_RAM_WADDR, 0);
3518 	WREG32(CP_ME_RAM_RADDR, 0);
3519 	return 0;
3520 }
3521 
3522 static int si_cp_start(struct radeon_device *rdev)
3523 {
3524 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3525 	int r, i;
3526 
3527 	r = radeon_ring_lock(rdev, ring, 7 + 4);
3528 	if (r) {
3529 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3530 		return r;
3531 	}
3532 	/* init the CP */
3533 	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
3534 	radeon_ring_write(ring, 0x1);
3535 	radeon_ring_write(ring, 0x0);
3536 	radeon_ring_write(ring, rdev->config.si.max_hw_contexts - 1);
3537 	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
3538 	radeon_ring_write(ring, 0);
3539 	radeon_ring_write(ring, 0);
3540 
3541 	/* init the CE partitions */
3542 	radeon_ring_write(ring, PACKET3(PACKET3_SET_BASE, 2));
3543 	radeon_ring_write(ring, PACKET3_BASE_INDEX(CE_PARTITION_BASE));
3544 	radeon_ring_write(ring, 0xc000);
3545 	radeon_ring_write(ring, 0xe000);
3546 	radeon_ring_unlock_commit(rdev, ring, false);
3547 
3548 	si_cp_enable(rdev, true);
3549 
3550 	r = radeon_ring_lock(rdev, ring, si_default_size + 10);
3551 	if (r) {
3552 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3553 		return r;
3554 	}
3555 
3556 	/* setup clear context state */
3557 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
3558 	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
3559 
3560 	for (i = 0; i < si_default_size; i++)
3561 		radeon_ring_write(ring, si_default_state[i]);
3562 
3563 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
3564 	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
3565 
3566 	/* set clear context state */
3567 	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
3568 	radeon_ring_write(ring, 0);
3569 
3570 	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
3571 	radeon_ring_write(ring, 0x00000316);
3572 	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
3573 	radeon_ring_write(ring, 0x00000010); /* VGT_OUT_DEALLOC_CNTL */
3574 
3575 	radeon_ring_unlock_commit(rdev, ring, false);
3576 
3577 	for (i = RADEON_RING_TYPE_GFX_INDEX; i <= CAYMAN_RING_TYPE_CP2_INDEX; ++i) {
3578 		ring = &rdev->ring[i];
3579 		r = radeon_ring_lock(rdev, ring, 2);
3580 
3581 		/* clear the compute context state */
3582 		radeon_ring_write(ring, PACKET3_COMPUTE(PACKET3_CLEAR_STATE, 0));
3583 		radeon_ring_write(ring, 0);
3584 
3585 		radeon_ring_unlock_commit(rdev, ring, false);
3586 	}
3587 
3588 	return 0;
3589 }
3590 
3591 static void si_cp_fini(struct radeon_device *rdev)
3592 {
3593 	struct radeon_ring *ring;
3594 	si_cp_enable(rdev, false);
3595 
3596 	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3597 	radeon_ring_fini(rdev, ring);
3598 	radeon_scratch_free(rdev, ring->rptr_save_reg);
3599 
3600 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
3601 	radeon_ring_fini(rdev, ring);
3602 	radeon_scratch_free(rdev, ring->rptr_save_reg);
3603 
3604 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
3605 	radeon_ring_fini(rdev, ring);
3606 	radeon_scratch_free(rdev, ring->rptr_save_reg);
3607 }
3608 
3609 static int si_cp_resume(struct radeon_device *rdev)
3610 {
3611 	struct radeon_ring *ring;
3612 	u32 tmp;
3613 	u32 rb_bufsz;
3614 	int r;
3615 
3616 	si_enable_gui_idle_interrupt(rdev, false);
3617 
3618 	WREG32(CP_SEM_WAIT_TIMER, 0x0);
3619 	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
3620 
3621 	/* Set the write pointer delay */
3622 	WREG32(CP_RB_WPTR_DELAY, 0);
3623 
3624 	WREG32(CP_DEBUG, 0);
3625 	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
3626 
3627 	/* ring 0 - compute and gfx */
3628 	/* Set ring buffer size */
3629 	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3630 	rb_bufsz = order_base_2(ring->ring_size / 8);
3631 	tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
3632 #ifdef __BIG_ENDIAN
3633 	tmp |= BUF_SWAP_32BIT;
3634 #endif
3635 	WREG32(CP_RB0_CNTL, tmp);
3636 
3637 	/* Initialize the ring buffer's read and write pointers */
3638 	WREG32(CP_RB0_CNTL, tmp | RB_RPTR_WR_ENA);
3639 	ring->wptr = 0;
3640 	WREG32(CP_RB0_WPTR, ring->wptr);
3641 
3642 	/* set the wb address whether it's enabled or not */
3643 	WREG32(CP_RB0_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC);
3644 	WREG32(CP_RB0_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
3645 
3646 	if (rdev->wb.enabled)
3647 		WREG32(SCRATCH_UMSK, 0xff);
3648 	else {
3649 		tmp |= RB_NO_UPDATE;
3650 		WREG32(SCRATCH_UMSK, 0);
3651 	}
3652 
3653 	mdelay(1);
3654 	WREG32(CP_RB0_CNTL, tmp);
3655 
3656 	WREG32(CP_RB0_BASE, ring->gpu_addr >> 8);
3657 
3658 	/* ring1  - compute only */
3659 	/* Set ring buffer size */
3660 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
3661 	rb_bufsz = order_base_2(ring->ring_size / 8);
3662 	tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
3663 #ifdef __BIG_ENDIAN
3664 	tmp |= BUF_SWAP_32BIT;
3665 #endif
3666 	WREG32(CP_RB1_CNTL, tmp);
3667 
3668 	/* Initialize the ring buffer's read and write pointers */
3669 	WREG32(CP_RB1_CNTL, tmp | RB_RPTR_WR_ENA);
3670 	ring->wptr = 0;
3671 	WREG32(CP_RB1_WPTR, ring->wptr);
3672 
3673 	/* set the wb address whether it's enabled or not */
3674 	WREG32(CP_RB1_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFFFFFFFC);
3675 	WREG32(CP_RB1_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFF);
3676 
3677 	mdelay(1);
3678 	WREG32(CP_RB1_CNTL, tmp);
3679 
3680 	WREG32(CP_RB1_BASE, ring->gpu_addr >> 8);
3681 
3682 	/* ring2 - compute only */
3683 	/* Set ring buffer size */
3684 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
3685 	rb_bufsz = order_base_2(ring->ring_size / 8);
3686 	tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
3687 #ifdef __BIG_ENDIAN
3688 	tmp |= BUF_SWAP_32BIT;
3689 #endif
3690 	WREG32(CP_RB2_CNTL, tmp);
3691 
3692 	/* Initialize the ring buffer's read and write pointers */
3693 	WREG32(CP_RB2_CNTL, tmp | RB_RPTR_WR_ENA);
3694 	ring->wptr = 0;
3695 	WREG32(CP_RB2_WPTR, ring->wptr);
3696 
3697 	/* set the wb address whether it's enabled or not */
3698 	WREG32(CP_RB2_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFFFFFFFC);
3699 	WREG32(CP_RB2_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFF);
3700 
3701 	mdelay(1);
3702 	WREG32(CP_RB2_CNTL, tmp);
3703 
3704 	WREG32(CP_RB2_BASE, ring->gpu_addr >> 8);
3705 
3706 	/* start the rings */
3707 	si_cp_start(rdev);
3708 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
3709 	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = true;
3710 	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = true;
3711 	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
3712 	if (r) {
3713 		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
3714 		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
3715 		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
3716 		return r;
3717 	}
3718 	r = radeon_ring_test(rdev, CAYMAN_RING_TYPE_CP1_INDEX, &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX]);
3719 	if (r) {
3720 		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
3721 	}
3722 	r = radeon_ring_test(rdev, CAYMAN_RING_TYPE_CP2_INDEX, &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX]);
3723 	if (r) {
3724 		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
3725 	}
3726 
3727 	si_enable_gui_idle_interrupt(rdev, true);
3728 
3729 	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
3730 		radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
3731 
3732 	return 0;
3733 }
3734 
3735 u32 si_gpu_check_soft_reset(struct radeon_device *rdev)
3736 {
3737 	u32 reset_mask = 0;
3738 	u32 tmp;
3739 
3740 	/* GRBM_STATUS */
3741 	tmp = RREG32(GRBM_STATUS);
3742 	if (tmp & (PA_BUSY | SC_BUSY |
3743 		   BCI_BUSY | SX_BUSY |
3744 		   TA_BUSY | VGT_BUSY |
3745 		   DB_BUSY | CB_BUSY |
3746 		   GDS_BUSY | SPI_BUSY |
3747 		   IA_BUSY | IA_BUSY_NO_DMA))
3748 		reset_mask |= RADEON_RESET_GFX;
3749 
3750 	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
3751 		   CP_BUSY | CP_COHERENCY_BUSY))
3752 		reset_mask |= RADEON_RESET_CP;
3753 
3754 	if (tmp & GRBM_EE_BUSY)
3755 		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
3756 
3757 	/* GRBM_STATUS2 */
3758 	tmp = RREG32(GRBM_STATUS2);
3759 	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
3760 		reset_mask |= RADEON_RESET_RLC;
3761 
3762 	/* DMA_STATUS_REG 0 */
3763 	tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
3764 	if (!(tmp & DMA_IDLE))
3765 		reset_mask |= RADEON_RESET_DMA;
3766 
3767 	/* DMA_STATUS_REG 1 */
3768 	tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
3769 	if (!(tmp & DMA_IDLE))
3770 		reset_mask |= RADEON_RESET_DMA1;
3771 
3772 	/* SRBM_STATUS2 */
3773 	tmp = RREG32(SRBM_STATUS2);
3774 	if (tmp & DMA_BUSY)
3775 		reset_mask |= RADEON_RESET_DMA;
3776 
3777 	if (tmp & DMA1_BUSY)
3778 		reset_mask |= RADEON_RESET_DMA1;
3779 
3780 	/* SRBM_STATUS */
3781 	tmp = RREG32(SRBM_STATUS);
3782 
3783 	if (tmp & IH_BUSY)
3784 		reset_mask |= RADEON_RESET_IH;
3785 
3786 	if (tmp & SEM_BUSY)
3787 		reset_mask |= RADEON_RESET_SEM;
3788 
3789 	if (tmp & GRBM_RQ_PENDING)
3790 		reset_mask |= RADEON_RESET_GRBM;
3791 
3792 	if (tmp & VMC_BUSY)
3793 		reset_mask |= RADEON_RESET_VMC;
3794 
3795 	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
3796 		   MCC_BUSY | MCD_BUSY))
3797 		reset_mask |= RADEON_RESET_MC;
3798 
3799 	if (evergreen_is_display_hung(rdev))
3800 		reset_mask |= RADEON_RESET_DISPLAY;
3801 
3802 	/* VM_L2_STATUS */
3803 	tmp = RREG32(VM_L2_STATUS);
3804 	if (tmp & L2_BUSY)
3805 		reset_mask |= RADEON_RESET_VMC;
3806 
3807 	/* Skip MC reset as it's mostly likely not hung, just busy */
3808 	if (reset_mask & RADEON_RESET_MC) {
3809 		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
3810 		reset_mask &= ~RADEON_RESET_MC;
3811 	}
3812 
3813 	return reset_mask;
3814 }
3815 
3816 static void si_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
3817 {
3818 	struct evergreen_mc_save save;
3819 	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
3820 	u32 tmp;
3821 
3822 	if (reset_mask == 0)
3823 		return;
3824 
3825 	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
3826 
3827 	evergreen_print_gpu_status_regs(rdev);
3828 	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
3829 		 RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR));
3830 	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
3831 		 RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS));
3832 
3833 	/* disable PG/CG */
3834 	si_fini_pg(rdev);
3835 	si_fini_cg(rdev);
3836 
3837 	/* stop the rlc */
3838 	si_rlc_stop(rdev);
3839 
3840 	/* Disable CP parsing/prefetching */
3841 	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT);
3842 
3843 	if (reset_mask & RADEON_RESET_DMA) {
3844 		/* dma0 */
3845 		tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
3846 		tmp &= ~DMA_RB_ENABLE;
3847 		WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
3848 	}
3849 	if (reset_mask & RADEON_RESET_DMA1) {
3850 		/* dma1 */
3851 		tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
3852 		tmp &= ~DMA_RB_ENABLE;
3853 		WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
3854 	}
3855 
3856 	udelay(50);
3857 
3858 	evergreen_mc_stop(rdev, &save);
3859 	if (evergreen_mc_wait_for_idle(rdev)) {
3860 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
3861 	}
3862 
3863 	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE | RADEON_RESET_CP)) {
3864 		grbm_soft_reset = SOFT_RESET_CB |
3865 			SOFT_RESET_DB |
3866 			SOFT_RESET_GDS |
3867 			SOFT_RESET_PA |
3868 			SOFT_RESET_SC |
3869 			SOFT_RESET_BCI |
3870 			SOFT_RESET_SPI |
3871 			SOFT_RESET_SX |
3872 			SOFT_RESET_TC |
3873 			SOFT_RESET_TA |
3874 			SOFT_RESET_VGT |
3875 			SOFT_RESET_IA;
3876 	}
3877 
3878 	if (reset_mask & RADEON_RESET_CP) {
3879 		grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
3880 
3881 		srbm_soft_reset |= SOFT_RESET_GRBM;
3882 	}
3883 
3884 	if (reset_mask & RADEON_RESET_DMA)
3885 		srbm_soft_reset |= SOFT_RESET_DMA;
3886 
3887 	if (reset_mask & RADEON_RESET_DMA1)
3888 		srbm_soft_reset |= SOFT_RESET_DMA1;
3889 
3890 	if (reset_mask & RADEON_RESET_DISPLAY)
3891 		srbm_soft_reset |= SOFT_RESET_DC;
3892 
3893 	if (reset_mask & RADEON_RESET_RLC)
3894 		grbm_soft_reset |= SOFT_RESET_RLC;
3895 
3896 	if (reset_mask & RADEON_RESET_SEM)
3897 		srbm_soft_reset |= SOFT_RESET_SEM;
3898 
3899 	if (reset_mask & RADEON_RESET_IH)
3900 		srbm_soft_reset |= SOFT_RESET_IH;
3901 
3902 	if (reset_mask & RADEON_RESET_GRBM)
3903 		srbm_soft_reset |= SOFT_RESET_GRBM;
3904 
3905 	if (reset_mask & RADEON_RESET_VMC)
3906 		srbm_soft_reset |= SOFT_RESET_VMC;
3907 
3908 	if (reset_mask & RADEON_RESET_MC)
3909 		srbm_soft_reset |= SOFT_RESET_MC;
3910 
3911 	if (grbm_soft_reset) {
3912 		tmp = RREG32(GRBM_SOFT_RESET);
3913 		tmp |= grbm_soft_reset;
3914 		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
3915 		WREG32(GRBM_SOFT_RESET, tmp);
3916 		tmp = RREG32(GRBM_SOFT_RESET);
3917 
3918 		udelay(50);
3919 
3920 		tmp &= ~grbm_soft_reset;
3921 		WREG32(GRBM_SOFT_RESET, tmp);
3922 		tmp = RREG32(GRBM_SOFT_RESET);
3923 	}
3924 
3925 	if (srbm_soft_reset) {
3926 		tmp = RREG32(SRBM_SOFT_RESET);
3927 		tmp |= srbm_soft_reset;
3928 		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3929 		WREG32(SRBM_SOFT_RESET, tmp);
3930 		tmp = RREG32(SRBM_SOFT_RESET);
3931 
3932 		udelay(50);
3933 
3934 		tmp &= ~srbm_soft_reset;
3935 		WREG32(SRBM_SOFT_RESET, tmp);
3936 		tmp = RREG32(SRBM_SOFT_RESET);
3937 	}
3938 
3939 	/* Wait a little for things to settle down */
3940 	udelay(50);
3941 
3942 	evergreen_mc_resume(rdev, &save);
3943 	udelay(50);
3944 
3945 	evergreen_print_gpu_status_regs(rdev);
3946 }
3947 
3948 static void si_set_clk_bypass_mode(struct radeon_device *rdev)
3949 {
3950 	u32 tmp, i;
3951 
3952 	tmp = RREG32(CG_SPLL_FUNC_CNTL);
3953 	tmp |= SPLL_BYPASS_EN;
3954 	WREG32(CG_SPLL_FUNC_CNTL, tmp);
3955 
3956 	tmp = RREG32(CG_SPLL_FUNC_CNTL_2);
3957 	tmp |= SPLL_CTLREQ_CHG;
3958 	WREG32(CG_SPLL_FUNC_CNTL_2, tmp);
3959 
3960 	for (i = 0; i < rdev->usec_timeout; i++) {
3961 		if (RREG32(SPLL_STATUS) & SPLL_CHG_STATUS)
3962 			break;
3963 		udelay(1);
3964 	}
3965 
3966 	tmp = RREG32(CG_SPLL_FUNC_CNTL_2);
3967 	tmp &= ~(SPLL_CTLREQ_CHG | SCLK_MUX_UPDATE);
3968 	WREG32(CG_SPLL_FUNC_CNTL_2, tmp);
3969 
3970 	tmp = RREG32(MPLL_CNTL_MODE);
3971 	tmp &= ~MPLL_MCLK_SEL;
3972 	WREG32(MPLL_CNTL_MODE, tmp);
3973 }
3974 
3975 static void si_spll_powerdown(struct radeon_device *rdev)
3976 {
3977 	u32 tmp;
3978 
3979 	tmp = RREG32(SPLL_CNTL_MODE);
3980 	tmp |= SPLL_SW_DIR_CONTROL;
3981 	WREG32(SPLL_CNTL_MODE, tmp);
3982 
3983 	tmp = RREG32(CG_SPLL_FUNC_CNTL);
3984 	tmp |= SPLL_RESET;
3985 	WREG32(CG_SPLL_FUNC_CNTL, tmp);
3986 
3987 	tmp = RREG32(CG_SPLL_FUNC_CNTL);
3988 	tmp |= SPLL_SLEEP;
3989 	WREG32(CG_SPLL_FUNC_CNTL, tmp);
3990 
3991 	tmp = RREG32(SPLL_CNTL_MODE);
3992 	tmp &= ~SPLL_SW_DIR_CONTROL;
3993 	WREG32(SPLL_CNTL_MODE, tmp);
3994 }
3995 
3996 static void si_gpu_pci_config_reset(struct radeon_device *rdev)
3997 {
3998 	struct evergreen_mc_save save;
3999 	u32 tmp, i;
4000 
4001 	dev_info(rdev->dev, "GPU pci config reset\n");
4002 
4003 	/* disable dpm? */
4004 
4005 	/* disable cg/pg */
4006 	si_fini_pg(rdev);
4007 	si_fini_cg(rdev);
4008 
4009 	/* Disable CP parsing/prefetching */
4010 	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT);
4011 	/* dma0 */
4012 	tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
4013 	tmp &= ~DMA_RB_ENABLE;
4014 	WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
4015 	/* dma1 */
4016 	tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
4017 	tmp &= ~DMA_RB_ENABLE;
4018 	WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
4019 	/* XXX other engines? */
4020 
4021 	/* halt the rlc, disable cp internal ints */
4022 	si_rlc_stop(rdev);
4023 
4024 	udelay(50);
4025 
4026 	/* disable mem access */
4027 	evergreen_mc_stop(rdev, &save);
4028 	if (evergreen_mc_wait_for_idle(rdev)) {
4029 		dev_warn(rdev->dev, "Wait for MC idle timed out !\n");
4030 	}
4031 
4032 	/* set mclk/sclk to bypass */
4033 	si_set_clk_bypass_mode(rdev);
4034 	/* powerdown spll */
4035 	si_spll_powerdown(rdev);
4036 	/* disable BM */
4037 	pci_clear_master(rdev->pdev);
4038 	/* reset */
4039 	radeon_pci_config_reset(rdev);
4040 	/* wait for asic to come out of reset */
4041 	for (i = 0; i < rdev->usec_timeout; i++) {
4042 		if (RREG32(CONFIG_MEMSIZE) != 0xffffffff)
4043 			break;
4044 		udelay(1);
4045 	}
4046 }
4047 
4048 int si_asic_reset(struct radeon_device *rdev)
4049 {
4050 	u32 reset_mask;
4051 
4052 	reset_mask = si_gpu_check_soft_reset(rdev);
4053 
4054 	if (reset_mask)
4055 		r600_set_bios_scratch_engine_hung(rdev, true);
4056 
4057 	/* try soft reset */
4058 	si_gpu_soft_reset(rdev, reset_mask);
4059 
4060 	reset_mask = si_gpu_check_soft_reset(rdev);
4061 
4062 	/* try pci config reset */
4063 	if (reset_mask && radeon_hard_reset)
4064 		si_gpu_pci_config_reset(rdev);
4065 
4066 	reset_mask = si_gpu_check_soft_reset(rdev);
4067 
4068 	if (!reset_mask)
4069 		r600_set_bios_scratch_engine_hung(rdev, false);
4070 
4071 	return 0;
4072 }
4073 
4074 /**
4075  * si_gfx_is_lockup - Check if the GFX engine is locked up
4076  *
4077  * @rdev: radeon_device pointer
4078  * @ring: radeon_ring structure holding ring information
4079  *
4080  * Check if the GFX engine is locked up.
4081  * Returns true if the engine appears to be locked up, false if not.
4082  */
4083 bool si_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
4084 {
4085 	u32 reset_mask = si_gpu_check_soft_reset(rdev);
4086 
4087 	if (!(reset_mask & (RADEON_RESET_GFX |
4088 			    RADEON_RESET_COMPUTE |
4089 			    RADEON_RESET_CP))) {
4090 		radeon_ring_lockup_update(rdev, ring);
4091 		return false;
4092 	}
4093 	return radeon_ring_test_lockup(rdev, ring);
4094 }
4095 
4096 /* MC */
4097 static void si_mc_program(struct radeon_device *rdev)
4098 {
4099 	struct evergreen_mc_save save;
4100 	u32 tmp;
4101 	int i, j;
4102 
4103 	/* Initialize HDP */
4104 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
4105 		WREG32((0x2c14 + j), 0x00000000);
4106 		WREG32((0x2c18 + j), 0x00000000);
4107 		WREG32((0x2c1c + j), 0x00000000);
4108 		WREG32((0x2c20 + j), 0x00000000);
4109 		WREG32((0x2c24 + j), 0x00000000);
4110 	}
4111 	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
4112 
4113 	evergreen_mc_stop(rdev, &save);
4114 	if (radeon_mc_wait_for_idle(rdev)) {
4115 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
4116 	}
4117 	if (!ASIC_IS_NODCE(rdev))
4118 		/* Lockout access through VGA aperture*/
4119 		WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
4120 	/* Update configuration */
4121 	WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
4122 	       rdev->mc.vram_start >> 12);
4123 	WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
4124 	       rdev->mc.vram_end >> 12);
4125 	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR,
4126 	       rdev->vram_scratch.gpu_addr >> 12);
4127 	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
4128 	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
4129 	WREG32(MC_VM_FB_LOCATION, tmp);
4130 	/* XXX double check these! */
4131 	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
4132 	WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
4133 	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
4134 	WREG32(MC_VM_AGP_BASE, 0);
4135 	WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
4136 	WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
4137 	if (radeon_mc_wait_for_idle(rdev)) {
4138 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
4139 	}
4140 	evergreen_mc_resume(rdev, &save);
4141 	if (!ASIC_IS_NODCE(rdev)) {
4142 		/* we need to own VRAM, so turn off the VGA renderer here
4143 		 * to stop it overwriting our objects */
4144 		rv515_vga_render_disable(rdev);
4145 	}
4146 }
4147 
4148 void si_vram_gtt_location(struct radeon_device *rdev,
4149 			  struct radeon_mc *mc)
4150 {
4151 	if (mc->mc_vram_size > 0xFFC0000000ULL) {
4152 		/* leave room for at least 1024M GTT */
4153 		dev_warn(rdev->dev, "limiting VRAM\n");
4154 		mc->real_vram_size = 0xFFC0000000ULL;
4155 		mc->mc_vram_size = 0xFFC0000000ULL;
4156 	}
4157 	radeon_vram_location(rdev, &rdev->mc, 0);
4158 	rdev->mc.gtt_base_align = 0;
4159 	radeon_gtt_location(rdev, mc);
4160 }
4161 
4162 static int si_mc_init(struct radeon_device *rdev)
4163 {
4164 	u32 tmp;
4165 	int chansize, numchan;
4166 
4167 	/* Get VRAM informations */
4168 	rdev->mc.vram_is_ddr = true;
4169 	tmp = RREG32(MC_ARB_RAMCFG);
4170 	if (tmp & CHANSIZE_OVERRIDE) {
4171 		chansize = 16;
4172 	} else if (tmp & CHANSIZE_MASK) {
4173 		chansize = 64;
4174 	} else {
4175 		chansize = 32;
4176 	}
4177 	tmp = RREG32(MC_SHARED_CHMAP);
4178 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
4179 	case 0:
4180 	default:
4181 		numchan = 1;
4182 		break;
4183 	case 1:
4184 		numchan = 2;
4185 		break;
4186 	case 2:
4187 		numchan = 4;
4188 		break;
4189 	case 3:
4190 		numchan = 8;
4191 		break;
4192 	case 4:
4193 		numchan = 3;
4194 		break;
4195 	case 5:
4196 		numchan = 6;
4197 		break;
4198 	case 6:
4199 		numchan = 10;
4200 		break;
4201 	case 7:
4202 		numchan = 12;
4203 		break;
4204 	case 8:
4205 		numchan = 16;
4206 		break;
4207 	}
4208 	rdev->mc.vram_width = numchan * chansize;
4209 	/* Could aper size report 0 ? */
4210 	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
4211 	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
4212 	/* size in MB on si */
4213 	tmp = RREG32(CONFIG_MEMSIZE);
4214 	/* some boards may have garbage in the upper 16 bits */
4215 	if (tmp & 0xffff0000) {
4216 		DRM_INFO("Probable bad vram size: 0x%08x\n", tmp);
4217 		if (tmp & 0xffff)
4218 			tmp &= 0xffff;
4219 	}
4220 	rdev->mc.mc_vram_size = tmp * 1024ULL * 1024ULL;
4221 	rdev->mc.real_vram_size = rdev->mc.mc_vram_size;
4222 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
4223 	si_vram_gtt_location(rdev, &rdev->mc);
4224 	radeon_update_bandwidth_info(rdev);
4225 
4226 	return 0;
4227 }
4228 
4229 /*
4230  * GART
4231  */
4232 void si_pcie_gart_tlb_flush(struct radeon_device *rdev)
4233 {
4234 	/* flush hdp cache */
4235 	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
4236 
4237 	/* bits 0-15 are the VM contexts0-15 */
4238 	WREG32(VM_INVALIDATE_REQUEST, 1);
4239 }
4240 
4241 static int si_pcie_gart_enable(struct radeon_device *rdev)
4242 {
4243 	int r, i;
4244 
4245 	if (rdev->gart.robj == NULL) {
4246 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
4247 		return -EINVAL;
4248 	}
4249 	r = radeon_gart_table_vram_pin(rdev);
4250 	if (r)
4251 		return r;
4252 	/* Setup TLB control */
4253 	WREG32(MC_VM_MX_L1_TLB_CNTL,
4254 	       (0xA << 7) |
4255 	       ENABLE_L1_TLB |
4256 	       ENABLE_L1_FRAGMENT_PROCESSING |
4257 	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
4258 	       ENABLE_ADVANCED_DRIVER_MODEL |
4259 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
4260 	/* Setup L2 cache */
4261 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
4262 	       ENABLE_L2_FRAGMENT_PROCESSING |
4263 	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
4264 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
4265 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
4266 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
4267 	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
4268 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
4269 	       BANK_SELECT(4) |
4270 	       L2_CACHE_BIGK_FRAGMENT_SIZE(4));
4271 	/* setup context0 */
4272 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
4273 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
4274 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
4275 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
4276 			(u32)(rdev->dummy_page.addr >> 12));
4277 	WREG32(VM_CONTEXT0_CNTL2, 0);
4278 	WREG32(VM_CONTEXT0_CNTL, (ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
4279 				  RANGE_PROTECTION_FAULT_ENABLE_DEFAULT));
4280 
4281 	WREG32(0x15D4, 0);
4282 	WREG32(0x15D8, 0);
4283 	WREG32(0x15DC, 0);
4284 
4285 	/* empty context1-15 */
4286 	/* set vm size, must be a multiple of 4 */
4287 	WREG32(VM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
4288 	WREG32(VM_CONTEXT1_PAGE_TABLE_END_ADDR, rdev->vm_manager.max_pfn);
4289 	/* Assign the pt base to something valid for now; the pts used for
4290 	 * the VMs are determined by the application and setup and assigned
4291 	 * on the fly in the vm part of radeon_gart.c
4292 	 */
4293 	for (i = 1; i < 16; i++) {
4294 		if (i < 8)
4295 			WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
4296 			       rdev->vm_manager.saved_table_addr[i]);
4297 		else
4298 			WREG32(VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((i - 8) << 2),
4299 			       rdev->vm_manager.saved_table_addr[i]);
4300 	}
4301 
4302 	/* enable context1-15 */
4303 	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
4304 	       (u32)(rdev->dummy_page.addr >> 12));
4305 	WREG32(VM_CONTEXT1_CNTL2, 4);
4306 	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
4307 				PAGE_TABLE_BLOCK_SIZE(radeon_vm_block_size - 9) |
4308 				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
4309 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
4310 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
4311 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
4312 				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
4313 				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
4314 				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
4315 				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
4316 				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
4317 				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
4318 				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
4319 				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
4320 
4321 	si_pcie_gart_tlb_flush(rdev);
4322 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
4323 		 (unsigned)(rdev->mc.gtt_size >> 20),
4324 		 (unsigned long long)rdev->gart.table_addr);
4325 	rdev->gart.ready = true;
4326 	return 0;
4327 }
4328 
4329 static void si_pcie_gart_disable(struct radeon_device *rdev)
4330 {
4331 	unsigned i;
4332 
4333 	for (i = 1; i < 16; ++i) {
4334 		uint32_t reg;
4335 		if (i < 8)
4336 			reg = VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2);
4337 		else
4338 			reg = VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((i - 8) << 2);
4339 		rdev->vm_manager.saved_table_addr[i] = RREG32(reg);
4340 	}
4341 
4342 	/* Disable all tables */
4343 	WREG32(VM_CONTEXT0_CNTL, 0);
4344 	WREG32(VM_CONTEXT1_CNTL, 0);
4345 	/* Setup TLB control */
4346 	WREG32(MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE_NOT_IN_SYS |
4347 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
4348 	/* Setup L2 cache */
4349 	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
4350 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
4351 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
4352 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
4353 	WREG32(VM_L2_CNTL2, 0);
4354 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
4355 	       L2_CACHE_BIGK_FRAGMENT_SIZE(0));
4356 	radeon_gart_table_vram_unpin(rdev);
4357 }
4358 
4359 static void si_pcie_gart_fini(struct radeon_device *rdev)
4360 {
4361 	si_pcie_gart_disable(rdev);
4362 	radeon_gart_table_vram_free(rdev);
4363 	radeon_gart_fini(rdev);
4364 }
4365 
4366 /* vm parser */
4367 static bool si_vm_reg_valid(u32 reg)
4368 {
4369 	/* context regs are fine */
4370 	if (reg >= 0x28000)
4371 		return true;
4372 
4373 	/* check config regs */
4374 	switch (reg) {
4375 	case GRBM_GFX_INDEX:
4376 	case CP_STRMOUT_CNTL:
4377 	case VGT_VTX_VECT_EJECT_REG:
4378 	case VGT_CACHE_INVALIDATION:
4379 	case VGT_ESGS_RING_SIZE:
4380 	case VGT_GSVS_RING_SIZE:
4381 	case VGT_GS_VERTEX_REUSE:
4382 	case VGT_PRIMITIVE_TYPE:
4383 	case VGT_INDEX_TYPE:
4384 	case VGT_NUM_INDICES:
4385 	case VGT_NUM_INSTANCES:
4386 	case VGT_TF_RING_SIZE:
4387 	case VGT_HS_OFFCHIP_PARAM:
4388 	case VGT_TF_MEMORY_BASE:
4389 	case PA_CL_ENHANCE:
4390 	case PA_SU_LINE_STIPPLE_VALUE:
4391 	case PA_SC_LINE_STIPPLE_STATE:
4392 	case PA_SC_ENHANCE:
4393 	case SQC_CACHES:
4394 	case SPI_STATIC_THREAD_MGMT_1:
4395 	case SPI_STATIC_THREAD_MGMT_2:
4396 	case SPI_STATIC_THREAD_MGMT_3:
4397 	case SPI_PS_MAX_WAVE_ID:
4398 	case SPI_CONFIG_CNTL:
4399 	case SPI_CONFIG_CNTL_1:
4400 	case TA_CNTL_AUX:
4401 		return true;
4402 	default:
4403 		DRM_ERROR("Invalid register 0x%x in CS\n", reg);
4404 		return false;
4405 	}
4406 }
4407 
4408 static int si_vm_packet3_ce_check(struct radeon_device *rdev,
4409 				  u32 *ib, struct radeon_cs_packet *pkt)
4410 {
4411 	switch (pkt->opcode) {
4412 	case PACKET3_NOP:
4413 	case PACKET3_SET_BASE:
4414 	case PACKET3_SET_CE_DE_COUNTERS:
4415 	case PACKET3_LOAD_CONST_RAM:
4416 	case PACKET3_WRITE_CONST_RAM:
4417 	case PACKET3_WRITE_CONST_RAM_OFFSET:
4418 	case PACKET3_DUMP_CONST_RAM:
4419 	case PACKET3_INCREMENT_CE_COUNTER:
4420 	case PACKET3_WAIT_ON_DE_COUNTER:
4421 	case PACKET3_CE_WRITE:
4422 		break;
4423 	default:
4424 		DRM_ERROR("Invalid CE packet3: 0x%x\n", pkt->opcode);
4425 		return -EINVAL;
4426 	}
4427 	return 0;
4428 }
4429 
4430 static int si_vm_packet3_cp_dma_check(u32 *ib, u32 idx)
4431 {
4432 	u32 start_reg, reg, i;
4433 	u32 command = ib[idx + 4];
4434 	u32 info = ib[idx + 1];
4435 	u32 idx_value = ib[idx];
4436 	if (command & PACKET3_CP_DMA_CMD_SAS) {
4437 		/* src address space is register */
4438 		if (((info & 0x60000000) >> 29) == 0) {
4439 			start_reg = idx_value << 2;
4440 			if (command & PACKET3_CP_DMA_CMD_SAIC) {
4441 				reg = start_reg;
4442 				if (!si_vm_reg_valid(reg)) {
4443 					DRM_ERROR("CP DMA Bad SRC register\n");
4444 					return -EINVAL;
4445 				}
4446 			} else {
4447 				for (i = 0; i < (command & 0x1fffff); i++) {
4448 					reg = start_reg + (4 * i);
4449 					if (!si_vm_reg_valid(reg)) {
4450 						DRM_ERROR("CP DMA Bad SRC register\n");
4451 						return -EINVAL;
4452 					}
4453 				}
4454 			}
4455 		}
4456 	}
4457 	if (command & PACKET3_CP_DMA_CMD_DAS) {
4458 		/* dst address space is register */
4459 		if (((info & 0x00300000) >> 20) == 0) {
4460 			start_reg = ib[idx + 2];
4461 			if (command & PACKET3_CP_DMA_CMD_DAIC) {
4462 				reg = start_reg;
4463 				if (!si_vm_reg_valid(reg)) {
4464 					DRM_ERROR("CP DMA Bad DST register\n");
4465 					return -EINVAL;
4466 				}
4467 			} else {
4468 				for (i = 0; i < (command & 0x1fffff); i++) {
4469 					reg = start_reg + (4 * i);
4470 				if (!si_vm_reg_valid(reg)) {
4471 						DRM_ERROR("CP DMA Bad DST register\n");
4472 						return -EINVAL;
4473 					}
4474 				}
4475 			}
4476 		}
4477 	}
4478 	return 0;
4479 }
4480 
4481 static int si_vm_packet3_gfx_check(struct radeon_device *rdev,
4482 				   u32 *ib, struct radeon_cs_packet *pkt)
4483 {
4484 	int r;
4485 	u32 idx = pkt->idx + 1;
4486 	u32 idx_value = ib[idx];
4487 	u32 start_reg, end_reg, reg, i;
4488 
4489 	switch (pkt->opcode) {
4490 	case PACKET3_NOP:
4491 	case PACKET3_SET_BASE:
4492 	case PACKET3_CLEAR_STATE:
4493 	case PACKET3_INDEX_BUFFER_SIZE:
4494 	case PACKET3_DISPATCH_DIRECT:
4495 	case PACKET3_DISPATCH_INDIRECT:
4496 	case PACKET3_ALLOC_GDS:
4497 	case PACKET3_WRITE_GDS_RAM:
4498 	case PACKET3_ATOMIC_GDS:
4499 	case PACKET3_ATOMIC:
4500 	case PACKET3_OCCLUSION_QUERY:
4501 	case PACKET3_SET_PREDICATION:
4502 	case PACKET3_COND_EXEC:
4503 	case PACKET3_PRED_EXEC:
4504 	case PACKET3_DRAW_INDIRECT:
4505 	case PACKET3_DRAW_INDEX_INDIRECT:
4506 	case PACKET3_INDEX_BASE:
4507 	case PACKET3_DRAW_INDEX_2:
4508 	case PACKET3_CONTEXT_CONTROL:
4509 	case PACKET3_INDEX_TYPE:
4510 	case PACKET3_DRAW_INDIRECT_MULTI:
4511 	case PACKET3_DRAW_INDEX_AUTO:
4512 	case PACKET3_DRAW_INDEX_IMMD:
4513 	case PACKET3_NUM_INSTANCES:
4514 	case PACKET3_DRAW_INDEX_MULTI_AUTO:
4515 	case PACKET3_STRMOUT_BUFFER_UPDATE:
4516 	case PACKET3_DRAW_INDEX_OFFSET_2:
4517 	case PACKET3_DRAW_INDEX_MULTI_ELEMENT:
4518 	case PACKET3_DRAW_INDEX_INDIRECT_MULTI:
4519 	case PACKET3_MPEG_INDEX:
4520 	case PACKET3_WAIT_REG_MEM:
4521 	case PACKET3_MEM_WRITE:
4522 	case PACKET3_PFP_SYNC_ME:
4523 	case PACKET3_SURFACE_SYNC:
4524 	case PACKET3_EVENT_WRITE:
4525 	case PACKET3_EVENT_WRITE_EOP:
4526 	case PACKET3_EVENT_WRITE_EOS:
4527 	case PACKET3_SET_CONTEXT_REG:
4528 	case PACKET3_SET_CONTEXT_REG_INDIRECT:
4529 	case PACKET3_SET_SH_REG:
4530 	case PACKET3_SET_SH_REG_OFFSET:
4531 	case PACKET3_INCREMENT_DE_COUNTER:
4532 	case PACKET3_WAIT_ON_CE_COUNTER:
4533 	case PACKET3_WAIT_ON_AVAIL_BUFFER:
4534 	case PACKET3_ME_WRITE:
4535 		break;
4536 	case PACKET3_COPY_DATA:
4537 		if ((idx_value & 0xf00) == 0) {
4538 			reg = ib[idx + 3] * 4;
4539 			if (!si_vm_reg_valid(reg))
4540 				return -EINVAL;
4541 		}
4542 		break;
4543 	case PACKET3_WRITE_DATA:
4544 		if ((idx_value & 0xf00) == 0) {
4545 			start_reg = ib[idx + 1] * 4;
4546 			if (idx_value & 0x10000) {
4547 				if (!si_vm_reg_valid(start_reg))
4548 					return -EINVAL;
4549 			} else {
4550 				for (i = 0; i < (pkt->count - 2); i++) {
4551 					reg = start_reg + (4 * i);
4552 					if (!si_vm_reg_valid(reg))
4553 						return -EINVAL;
4554 				}
4555 			}
4556 		}
4557 		break;
4558 	case PACKET3_COND_WRITE:
4559 		if (idx_value & 0x100) {
4560 			reg = ib[idx + 5] * 4;
4561 			if (!si_vm_reg_valid(reg))
4562 				return -EINVAL;
4563 		}
4564 		break;
4565 	case PACKET3_COPY_DW:
4566 		if (idx_value & 0x2) {
4567 			reg = ib[idx + 3] * 4;
4568 			if (!si_vm_reg_valid(reg))
4569 				return -EINVAL;
4570 		}
4571 		break;
4572 	case PACKET3_SET_CONFIG_REG:
4573 		start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_START;
4574 		end_reg = 4 * pkt->count + start_reg - 4;
4575 		if ((start_reg < PACKET3_SET_CONFIG_REG_START) ||
4576 		    (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
4577 		    (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
4578 			DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
4579 			return -EINVAL;
4580 		}
4581 		for (i = 0; i < pkt->count; i++) {
4582 			reg = start_reg + (4 * i);
4583 			if (!si_vm_reg_valid(reg))
4584 				return -EINVAL;
4585 		}
4586 		break;
4587 	case PACKET3_CP_DMA:
4588 		r = si_vm_packet3_cp_dma_check(ib, idx);
4589 		if (r)
4590 			return r;
4591 		break;
4592 	default:
4593 		DRM_ERROR("Invalid GFX packet3: 0x%x\n", pkt->opcode);
4594 		return -EINVAL;
4595 	}
4596 	return 0;
4597 }
4598 
4599 static int si_vm_packet3_compute_check(struct radeon_device *rdev,
4600 				       u32 *ib, struct radeon_cs_packet *pkt)
4601 {
4602 	int r;
4603 	u32 idx = pkt->idx + 1;
4604 	u32 idx_value = ib[idx];
4605 	u32 start_reg, reg, i;
4606 
4607 	switch (pkt->opcode) {
4608 	case PACKET3_NOP:
4609 	case PACKET3_SET_BASE:
4610 	case PACKET3_CLEAR_STATE:
4611 	case PACKET3_DISPATCH_DIRECT:
4612 	case PACKET3_DISPATCH_INDIRECT:
4613 	case PACKET3_ALLOC_GDS:
4614 	case PACKET3_WRITE_GDS_RAM:
4615 	case PACKET3_ATOMIC_GDS:
4616 	case PACKET3_ATOMIC:
4617 	case PACKET3_OCCLUSION_QUERY:
4618 	case PACKET3_SET_PREDICATION:
4619 	case PACKET3_COND_EXEC:
4620 	case PACKET3_PRED_EXEC:
4621 	case PACKET3_CONTEXT_CONTROL:
4622 	case PACKET3_STRMOUT_BUFFER_UPDATE:
4623 	case PACKET3_WAIT_REG_MEM:
4624 	case PACKET3_MEM_WRITE:
4625 	case PACKET3_PFP_SYNC_ME:
4626 	case PACKET3_SURFACE_SYNC:
4627 	case PACKET3_EVENT_WRITE:
4628 	case PACKET3_EVENT_WRITE_EOP:
4629 	case PACKET3_EVENT_WRITE_EOS:
4630 	case PACKET3_SET_CONTEXT_REG:
4631 	case PACKET3_SET_CONTEXT_REG_INDIRECT:
4632 	case PACKET3_SET_SH_REG:
4633 	case PACKET3_SET_SH_REG_OFFSET:
4634 	case PACKET3_INCREMENT_DE_COUNTER:
4635 	case PACKET3_WAIT_ON_CE_COUNTER:
4636 	case PACKET3_WAIT_ON_AVAIL_BUFFER:
4637 	case PACKET3_ME_WRITE:
4638 		break;
4639 	case PACKET3_COPY_DATA:
4640 		if ((idx_value & 0xf00) == 0) {
4641 			reg = ib[idx + 3] * 4;
4642 			if (!si_vm_reg_valid(reg))
4643 				return -EINVAL;
4644 		}
4645 		break;
4646 	case PACKET3_WRITE_DATA:
4647 		if ((idx_value & 0xf00) == 0) {
4648 			start_reg = ib[idx + 1] * 4;
4649 			if (idx_value & 0x10000) {
4650 				if (!si_vm_reg_valid(start_reg))
4651 					return -EINVAL;
4652 			} else {
4653 				for (i = 0; i < (pkt->count - 2); i++) {
4654 					reg = start_reg + (4 * i);
4655 					if (!si_vm_reg_valid(reg))
4656 						return -EINVAL;
4657 				}
4658 			}
4659 		}
4660 		break;
4661 	case PACKET3_COND_WRITE:
4662 		if (idx_value & 0x100) {
4663 			reg = ib[idx + 5] * 4;
4664 			if (!si_vm_reg_valid(reg))
4665 				return -EINVAL;
4666 		}
4667 		break;
4668 	case PACKET3_COPY_DW:
4669 		if (idx_value & 0x2) {
4670 			reg = ib[idx + 3] * 4;
4671 			if (!si_vm_reg_valid(reg))
4672 				return -EINVAL;
4673 		}
4674 		break;
4675 	case PACKET3_CP_DMA:
4676 		r = si_vm_packet3_cp_dma_check(ib, idx);
4677 		if (r)
4678 			return r;
4679 		break;
4680 	default:
4681 		DRM_ERROR("Invalid Compute packet3: 0x%x\n", pkt->opcode);
4682 		return -EINVAL;
4683 	}
4684 	return 0;
4685 }
4686 
4687 int si_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib)
4688 {
4689 	int ret = 0;
4690 	u32 idx = 0, i;
4691 	struct radeon_cs_packet pkt;
4692 
4693 	do {
4694 		pkt.idx = idx;
4695 		pkt.type = RADEON_CP_PACKET_GET_TYPE(ib->ptr[idx]);
4696 		pkt.count = RADEON_CP_PACKET_GET_COUNT(ib->ptr[idx]);
4697 		pkt.one_reg_wr = 0;
4698 		switch (pkt.type) {
4699 		case RADEON_PACKET_TYPE0:
4700 			dev_err(rdev->dev, "Packet0 not allowed!\n");
4701 			for (i = 0; i < ib->length_dw; i++) {
4702 				if (i == idx)
4703 					printk("\t0x%08x <---\n", ib->ptr[i]);
4704 				else
4705 					printk("\t0x%08x\n", ib->ptr[i]);
4706 			}
4707 			ret = -EINVAL;
4708 			break;
4709 		case RADEON_PACKET_TYPE2:
4710 			idx += 1;
4711 			break;
4712 		case RADEON_PACKET_TYPE3:
4713 			pkt.opcode = RADEON_CP_PACKET3_GET_OPCODE(ib->ptr[idx]);
4714 			if (ib->is_const_ib)
4715 				ret = si_vm_packet3_ce_check(rdev, ib->ptr, &pkt);
4716 			else {
4717 				switch (ib->ring) {
4718 				case RADEON_RING_TYPE_GFX_INDEX:
4719 					ret = si_vm_packet3_gfx_check(rdev, ib->ptr, &pkt);
4720 					break;
4721 				case CAYMAN_RING_TYPE_CP1_INDEX:
4722 				case CAYMAN_RING_TYPE_CP2_INDEX:
4723 					ret = si_vm_packet3_compute_check(rdev, ib->ptr, &pkt);
4724 					break;
4725 				default:
4726 					dev_err(rdev->dev, "Non-PM4 ring %d !\n", ib->ring);
4727 					ret = -EINVAL;
4728 					break;
4729 				}
4730 			}
4731 			idx += pkt.count + 2;
4732 			break;
4733 		default:
4734 			dev_err(rdev->dev, "Unknown packet type %d !\n", pkt.type);
4735 			ret = -EINVAL;
4736 			break;
4737 		}
4738 		if (ret)
4739 			break;
4740 	} while (idx < ib->length_dw);
4741 
4742 	return ret;
4743 }
4744 
4745 /*
4746  * vm
4747  */
4748 int si_vm_init(struct radeon_device *rdev)
4749 {
4750 	/* number of VMs */
4751 	rdev->vm_manager.nvm = 16;
4752 	/* base offset of vram pages */
4753 	rdev->vm_manager.vram_base_offset = 0;
4754 
4755 	return 0;
4756 }
4757 
4758 void si_vm_fini(struct radeon_device *rdev)
4759 {
4760 }
4761 
4762 /**
4763  * si_vm_decode_fault - print human readable fault info
4764  *
4765  * @rdev: radeon_device pointer
4766  * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
4767  * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
4768  *
4769  * Print human readable fault information (SI).
4770  */
4771 static void si_vm_decode_fault(struct radeon_device *rdev,
4772 			       u32 status, u32 addr)
4773 {
4774 	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
4775 	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
4776 	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
4777 	char *block;
4778 
4779 	if (rdev->family == CHIP_TAHITI) {
4780 		switch (mc_id) {
4781 		case 160:
4782 		case 144:
4783 		case 96:
4784 		case 80:
4785 		case 224:
4786 		case 208:
4787 		case 32:
4788 		case 16:
4789 			block = "CB";
4790 			break;
4791 		case 161:
4792 		case 145:
4793 		case 97:
4794 		case 81:
4795 		case 225:
4796 		case 209:
4797 		case 33:
4798 		case 17:
4799 			block = "CB_FMASK";
4800 			break;
4801 		case 162:
4802 		case 146:
4803 		case 98:
4804 		case 82:
4805 		case 226:
4806 		case 210:
4807 		case 34:
4808 		case 18:
4809 			block = "CB_CMASK";
4810 			break;
4811 		case 163:
4812 		case 147:
4813 		case 99:
4814 		case 83:
4815 		case 227:
4816 		case 211:
4817 		case 35:
4818 		case 19:
4819 			block = "CB_IMMED";
4820 			break;
4821 		case 164:
4822 		case 148:
4823 		case 100:
4824 		case 84:
4825 		case 228:
4826 		case 212:
4827 		case 36:
4828 		case 20:
4829 			block = "DB";
4830 			break;
4831 		case 165:
4832 		case 149:
4833 		case 101:
4834 		case 85:
4835 		case 229:
4836 		case 213:
4837 		case 37:
4838 		case 21:
4839 			block = "DB_HTILE";
4840 			break;
4841 		case 167:
4842 		case 151:
4843 		case 103:
4844 		case 87:
4845 		case 231:
4846 		case 215:
4847 		case 39:
4848 		case 23:
4849 			block = "DB_STEN";
4850 			break;
4851 		case 72:
4852 		case 68:
4853 		case 64:
4854 		case 8:
4855 		case 4:
4856 		case 0:
4857 		case 136:
4858 		case 132:
4859 		case 128:
4860 		case 200:
4861 		case 196:
4862 		case 192:
4863 			block = "TC";
4864 			break;
4865 		case 112:
4866 		case 48:
4867 			block = "CP";
4868 			break;
4869 		case 49:
4870 		case 177:
4871 		case 50:
4872 		case 178:
4873 			block = "SH";
4874 			break;
4875 		case 53:
4876 		case 190:
4877 			block = "VGT";
4878 			break;
4879 		case 117:
4880 			block = "IH";
4881 			break;
4882 		case 51:
4883 		case 115:
4884 			block = "RLC";
4885 			break;
4886 		case 119:
4887 		case 183:
4888 			block = "DMA0";
4889 			break;
4890 		case 61:
4891 			block = "DMA1";
4892 			break;
4893 		case 248:
4894 		case 120:
4895 			block = "HDP";
4896 			break;
4897 		default:
4898 			block = "unknown";
4899 			break;
4900 		}
4901 	} else {
4902 		switch (mc_id) {
4903 		case 32:
4904 		case 16:
4905 		case 96:
4906 		case 80:
4907 		case 160:
4908 		case 144:
4909 		case 224:
4910 		case 208:
4911 			block = "CB";
4912 			break;
4913 		case 33:
4914 		case 17:
4915 		case 97:
4916 		case 81:
4917 		case 161:
4918 		case 145:
4919 		case 225:
4920 		case 209:
4921 			block = "CB_FMASK";
4922 			break;
4923 		case 34:
4924 		case 18:
4925 		case 98:
4926 		case 82:
4927 		case 162:
4928 		case 146:
4929 		case 226:
4930 		case 210:
4931 			block = "CB_CMASK";
4932 			break;
4933 		case 35:
4934 		case 19:
4935 		case 99:
4936 		case 83:
4937 		case 163:
4938 		case 147:
4939 		case 227:
4940 		case 211:
4941 			block = "CB_IMMED";
4942 			break;
4943 		case 36:
4944 		case 20:
4945 		case 100:
4946 		case 84:
4947 		case 164:
4948 		case 148:
4949 		case 228:
4950 		case 212:
4951 			block = "DB";
4952 			break;
4953 		case 37:
4954 		case 21:
4955 		case 101:
4956 		case 85:
4957 		case 165:
4958 		case 149:
4959 		case 229:
4960 		case 213:
4961 			block = "DB_HTILE";
4962 			break;
4963 		case 39:
4964 		case 23:
4965 		case 103:
4966 		case 87:
4967 		case 167:
4968 		case 151:
4969 		case 231:
4970 		case 215:
4971 			block = "DB_STEN";
4972 			break;
4973 		case 72:
4974 		case 68:
4975 		case 8:
4976 		case 4:
4977 		case 136:
4978 		case 132:
4979 		case 200:
4980 		case 196:
4981 			block = "TC";
4982 			break;
4983 		case 112:
4984 		case 48:
4985 			block = "CP";
4986 			break;
4987 		case 49:
4988 		case 177:
4989 		case 50:
4990 		case 178:
4991 			block = "SH";
4992 			break;
4993 		case 53:
4994 			block = "VGT";
4995 			break;
4996 		case 117:
4997 			block = "IH";
4998 			break;
4999 		case 51:
5000 		case 115:
5001 			block = "RLC";
5002 			break;
5003 		case 119:
5004 		case 183:
5005 			block = "DMA0";
5006 			break;
5007 		case 61:
5008 			block = "DMA1";
5009 			break;
5010 		case 248:
5011 		case 120:
5012 			block = "HDP";
5013 			break;
5014 		default:
5015 			block = "unknown";
5016 			break;
5017 		}
5018 	}
5019 
5020 	printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
5021 	       protections, vmid, addr,
5022 	       (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
5023 	       block, mc_id);
5024 }
5025 
5026 void si_vm_flush(struct radeon_device *rdev, struct radeon_ring *ring,
5027 		 unsigned vm_id, uint64_t pd_addr)
5028 {
5029 	/* write new base address */
5030 	radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
5031 	radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(1) |
5032 				 WRITE_DATA_DST_SEL(0)));
5033 
5034 	if (vm_id < 8) {
5035 		radeon_ring_write(ring,
5036 				  (VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm_id << 2)) >> 2);
5037 	} else {
5038 		radeon_ring_write(ring,
5039 				  (VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((vm_id - 8) << 2)) >> 2);
5040 	}
5041 	radeon_ring_write(ring, 0);
5042 	radeon_ring_write(ring, pd_addr >> 12);
5043 
5044 	/* flush hdp cache */
5045 	radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
5046 	radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(1) |
5047 				 WRITE_DATA_DST_SEL(0)));
5048 	radeon_ring_write(ring, HDP_MEM_COHERENCY_FLUSH_CNTL >> 2);
5049 	radeon_ring_write(ring, 0);
5050 	radeon_ring_write(ring, 0x1);
5051 
5052 	/* bits 0-15 are the VM contexts0-15 */
5053 	radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
5054 	radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(1) |
5055 				 WRITE_DATA_DST_SEL(0)));
5056 	radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
5057 	radeon_ring_write(ring, 0);
5058 	radeon_ring_write(ring, 1 << vm_id);
5059 
5060 	/* sync PFP to ME, otherwise we might get invalid PFP reads */
5061 	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
5062 	radeon_ring_write(ring, 0x0);
5063 }
5064 
5065 /*
5066  *  Power and clock gating
5067  */
5068 static void si_wait_for_rlc_serdes(struct radeon_device *rdev)
5069 {
5070 	int i;
5071 
5072 	for (i = 0; i < rdev->usec_timeout; i++) {
5073 		if (RREG32(RLC_SERDES_MASTER_BUSY_0) == 0)
5074 			break;
5075 		udelay(1);
5076 	}
5077 
5078 	for (i = 0; i < rdev->usec_timeout; i++) {
5079 		if (RREG32(RLC_SERDES_MASTER_BUSY_1) == 0)
5080 			break;
5081 		udelay(1);
5082 	}
5083 }
5084 
5085 static void si_enable_gui_idle_interrupt(struct radeon_device *rdev,
5086 					 bool enable)
5087 {
5088 	u32 tmp = RREG32(CP_INT_CNTL_RING0);
5089 	u32 mask;
5090 	int i;
5091 
5092 	if (enable)
5093 		tmp |= (CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
5094 	else
5095 		tmp &= ~(CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
5096 	WREG32(CP_INT_CNTL_RING0, tmp);
5097 
5098 	if (!enable) {
5099 		/* read a gfx register */
5100 		tmp = RREG32(DB_DEPTH_INFO);
5101 
5102 		mask = RLC_BUSY_STATUS | GFX_POWER_STATUS | GFX_CLOCK_STATUS | GFX_LS_STATUS;
5103 		for (i = 0; i < rdev->usec_timeout; i++) {
5104 			if ((RREG32(RLC_STAT) & mask) == (GFX_CLOCK_STATUS | GFX_POWER_STATUS))
5105 				break;
5106 			udelay(1);
5107 		}
5108 	}
5109 }
5110 
5111 static void si_set_uvd_dcm(struct radeon_device *rdev,
5112 			   bool sw_mode)
5113 {
5114 	u32 tmp, tmp2;
5115 
5116 	tmp = RREG32(UVD_CGC_CTRL);
5117 	tmp &= ~(CLK_OD_MASK | CG_DT_MASK);
5118 	tmp |= DCM | CG_DT(1) | CLK_OD(4);
5119 
5120 	if (sw_mode) {
5121 		tmp &= ~0x7ffff800;
5122 		tmp2 = DYN_OR_EN | DYN_RR_EN | G_DIV_ID(7);
5123 	} else {
5124 		tmp |= 0x7ffff800;
5125 		tmp2 = 0;
5126 	}
5127 
5128 	WREG32(UVD_CGC_CTRL, tmp);
5129 	WREG32_UVD_CTX(UVD_CGC_CTRL2, tmp2);
5130 }
5131 
5132 void si_init_uvd_internal_cg(struct radeon_device *rdev)
5133 {
5134 	bool hw_mode = true;
5135 
5136 	if (hw_mode) {
5137 		si_set_uvd_dcm(rdev, false);
5138 	} else {
5139 		u32 tmp = RREG32(UVD_CGC_CTRL);
5140 		tmp &= ~DCM;
5141 		WREG32(UVD_CGC_CTRL, tmp);
5142 	}
5143 }
5144 
5145 static u32 si_halt_rlc(struct radeon_device *rdev)
5146 {
5147 	u32 data, orig;
5148 
5149 	orig = data = RREG32(RLC_CNTL);
5150 
5151 	if (data & RLC_ENABLE) {
5152 		data &= ~RLC_ENABLE;
5153 		WREG32(RLC_CNTL, data);
5154 
5155 		si_wait_for_rlc_serdes(rdev);
5156 	}
5157 
5158 	return orig;
5159 }
5160 
5161 static void si_update_rlc(struct radeon_device *rdev, u32 rlc)
5162 {
5163 	u32 tmp;
5164 
5165 	tmp = RREG32(RLC_CNTL);
5166 	if (tmp != rlc)
5167 		WREG32(RLC_CNTL, rlc);
5168 }
5169 
5170 static void si_enable_dma_pg(struct radeon_device *rdev, bool enable)
5171 {
5172 	u32 data, orig;
5173 
5174 	orig = data = RREG32(DMA_PG);
5175 	if (enable && (rdev->pg_flags & RADEON_PG_SUPPORT_SDMA))
5176 		data |= PG_CNTL_ENABLE;
5177 	else
5178 		data &= ~PG_CNTL_ENABLE;
5179 	if (orig != data)
5180 		WREG32(DMA_PG, data);
5181 }
5182 
5183 static void si_init_dma_pg(struct radeon_device *rdev)
5184 {
5185 	u32 tmp;
5186 
5187 	WREG32(DMA_PGFSM_WRITE,  0x00002000);
5188 	WREG32(DMA_PGFSM_CONFIG, 0x100010ff);
5189 
5190 	for (tmp = 0; tmp < 5; tmp++)
5191 		WREG32(DMA_PGFSM_WRITE, 0);
5192 }
5193 
5194 static void si_enable_gfx_cgpg(struct radeon_device *rdev,
5195 			       bool enable)
5196 {
5197 	u32 tmp;
5198 
5199 	if (enable && (rdev->pg_flags & RADEON_PG_SUPPORT_GFX_PG)) {
5200 		tmp = RLC_PUD(0x10) | RLC_PDD(0x10) | RLC_TTPD(0x10) | RLC_MSD(0x10);
5201 		WREG32(RLC_TTOP_D, tmp);
5202 
5203 		tmp = RREG32(RLC_PG_CNTL);
5204 		tmp |= GFX_PG_ENABLE;
5205 		WREG32(RLC_PG_CNTL, tmp);
5206 
5207 		tmp = RREG32(RLC_AUTO_PG_CTRL);
5208 		tmp |= AUTO_PG_EN;
5209 		WREG32(RLC_AUTO_PG_CTRL, tmp);
5210 	} else {
5211 		tmp = RREG32(RLC_AUTO_PG_CTRL);
5212 		tmp &= ~AUTO_PG_EN;
5213 		WREG32(RLC_AUTO_PG_CTRL, tmp);
5214 
5215 		tmp = RREG32(DB_RENDER_CONTROL);
5216 	}
5217 }
5218 
5219 static void si_init_gfx_cgpg(struct radeon_device *rdev)
5220 {
5221 	u32 tmp;
5222 
5223 	WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
5224 
5225 	tmp = RREG32(RLC_PG_CNTL);
5226 	tmp |= GFX_PG_SRC;
5227 	WREG32(RLC_PG_CNTL, tmp);
5228 
5229 	WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
5230 
5231 	tmp = RREG32(RLC_AUTO_PG_CTRL);
5232 
5233 	tmp &= ~GRBM_REG_SGIT_MASK;
5234 	tmp |= GRBM_REG_SGIT(0x700);
5235 	tmp &= ~PG_AFTER_GRBM_REG_ST_MASK;
5236 	WREG32(RLC_AUTO_PG_CTRL, tmp);
5237 }
5238 
5239 static u32 si_get_cu_active_bitmap(struct radeon_device *rdev, u32 se, u32 sh)
5240 {
5241 	u32 mask = 0, tmp, tmp1;
5242 	int i;
5243 
5244 	si_select_se_sh(rdev, se, sh);
5245 	tmp = RREG32(CC_GC_SHADER_ARRAY_CONFIG);
5246 	tmp1 = RREG32(GC_USER_SHADER_ARRAY_CONFIG);
5247 	si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
5248 
5249 	tmp &= 0xffff0000;
5250 
5251 	tmp |= tmp1;
5252 	tmp >>= 16;
5253 
5254 	for (i = 0; i < rdev->config.si.max_cu_per_sh; i ++) {
5255 		mask <<= 1;
5256 		mask |= 1;
5257 	}
5258 
5259 	return (~tmp) & mask;
5260 }
5261 
5262 static void si_init_ao_cu_mask(struct radeon_device *rdev)
5263 {
5264 	u32 i, j, k, active_cu_number = 0;
5265 	u32 mask, counter, cu_bitmap;
5266 	u32 tmp = 0;
5267 
5268 	for (i = 0; i < rdev->config.si.max_shader_engines; i++) {
5269 		for (j = 0; j < rdev->config.si.max_sh_per_se; j++) {
5270 			mask = 1;
5271 			cu_bitmap = 0;
5272 			counter  = 0;
5273 			for (k = 0; k < rdev->config.si.max_cu_per_sh; k++) {
5274 				if (si_get_cu_active_bitmap(rdev, i, j) & mask) {
5275 					if (counter < 2)
5276 						cu_bitmap |= mask;
5277 					counter++;
5278 				}
5279 				mask <<= 1;
5280 			}
5281 
5282 			active_cu_number += counter;
5283 			tmp |= (cu_bitmap << (i * 16 + j * 8));
5284 		}
5285 	}
5286 
5287 	WREG32(RLC_PG_AO_CU_MASK, tmp);
5288 
5289 	tmp = RREG32(RLC_MAX_PG_CU);
5290 	tmp &= ~MAX_PU_CU_MASK;
5291 	tmp |= MAX_PU_CU(active_cu_number);
5292 	WREG32(RLC_MAX_PG_CU, tmp);
5293 }
5294 
5295 static void si_enable_cgcg(struct radeon_device *rdev,
5296 			   bool enable)
5297 {
5298 	u32 data, orig, tmp;
5299 
5300 	orig = data = RREG32(RLC_CGCG_CGLS_CTRL);
5301 
5302 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_GFX_CGCG)) {
5303 		si_enable_gui_idle_interrupt(rdev, true);
5304 
5305 		WREG32(RLC_GCPM_GENERAL_3, 0x00000080);
5306 
5307 		tmp = si_halt_rlc(rdev);
5308 
5309 		WREG32(RLC_SERDES_WR_MASTER_MASK_0, 0xffffffff);
5310 		WREG32(RLC_SERDES_WR_MASTER_MASK_1, 0xffffffff);
5311 		WREG32(RLC_SERDES_WR_CTRL, 0x00b000ff);
5312 
5313 		si_wait_for_rlc_serdes(rdev);
5314 
5315 		si_update_rlc(rdev, tmp);
5316 
5317 		WREG32(RLC_SERDES_WR_CTRL, 0x007000ff);
5318 
5319 		data |= CGCG_EN | CGLS_EN;
5320 	} else {
5321 		si_enable_gui_idle_interrupt(rdev, false);
5322 
5323 		RREG32(CB_CGTT_SCLK_CTRL);
5324 		RREG32(CB_CGTT_SCLK_CTRL);
5325 		RREG32(CB_CGTT_SCLK_CTRL);
5326 		RREG32(CB_CGTT_SCLK_CTRL);
5327 
5328 		data &= ~(CGCG_EN | CGLS_EN);
5329 	}
5330 
5331 	if (orig != data)
5332 		WREG32(RLC_CGCG_CGLS_CTRL, data);
5333 }
5334 
5335 static void si_enable_mgcg(struct radeon_device *rdev,
5336 			   bool enable)
5337 {
5338 	u32 data, orig, tmp = 0;
5339 
5340 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_GFX_MGCG)) {
5341 		orig = data = RREG32(CGTS_SM_CTRL_REG);
5342 		data = 0x96940200;
5343 		if (orig != data)
5344 			WREG32(CGTS_SM_CTRL_REG, data);
5345 
5346 		if (rdev->cg_flags & RADEON_CG_SUPPORT_GFX_CP_LS) {
5347 			orig = data = RREG32(CP_MEM_SLP_CNTL);
5348 			data |= CP_MEM_LS_EN;
5349 			if (orig != data)
5350 				WREG32(CP_MEM_SLP_CNTL, data);
5351 		}
5352 
5353 		orig = data = RREG32(RLC_CGTT_MGCG_OVERRIDE);
5354 		data &= 0xffffffc0;
5355 		if (orig != data)
5356 			WREG32(RLC_CGTT_MGCG_OVERRIDE, data);
5357 
5358 		tmp = si_halt_rlc(rdev);
5359 
5360 		WREG32(RLC_SERDES_WR_MASTER_MASK_0, 0xffffffff);
5361 		WREG32(RLC_SERDES_WR_MASTER_MASK_1, 0xffffffff);
5362 		WREG32(RLC_SERDES_WR_CTRL, 0x00d000ff);
5363 
5364 		si_update_rlc(rdev, tmp);
5365 	} else {
5366 		orig = data = RREG32(RLC_CGTT_MGCG_OVERRIDE);
5367 		data |= 0x00000003;
5368 		if (orig != data)
5369 			WREG32(RLC_CGTT_MGCG_OVERRIDE, data);
5370 
5371 		data = RREG32(CP_MEM_SLP_CNTL);
5372 		if (data & CP_MEM_LS_EN) {
5373 			data &= ~CP_MEM_LS_EN;
5374 			WREG32(CP_MEM_SLP_CNTL, data);
5375 		}
5376 		orig = data = RREG32(CGTS_SM_CTRL_REG);
5377 		data |= LS_OVERRIDE | OVERRIDE;
5378 		if (orig != data)
5379 			WREG32(CGTS_SM_CTRL_REG, data);
5380 
5381 		tmp = si_halt_rlc(rdev);
5382 
5383 		WREG32(RLC_SERDES_WR_MASTER_MASK_0, 0xffffffff);
5384 		WREG32(RLC_SERDES_WR_MASTER_MASK_1, 0xffffffff);
5385 		WREG32(RLC_SERDES_WR_CTRL, 0x00e000ff);
5386 
5387 		si_update_rlc(rdev, tmp);
5388 	}
5389 }
5390 
5391 static void si_enable_uvd_mgcg(struct radeon_device *rdev,
5392 			       bool enable)
5393 {
5394 	u32 orig, data, tmp;
5395 
5396 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_UVD_MGCG)) {
5397 		tmp = RREG32_UVD_CTX(UVD_CGC_MEM_CTRL);
5398 		tmp |= 0x3fff;
5399 		WREG32_UVD_CTX(UVD_CGC_MEM_CTRL, tmp);
5400 
5401 		orig = data = RREG32(UVD_CGC_CTRL);
5402 		data |= DCM;
5403 		if (orig != data)
5404 			WREG32(UVD_CGC_CTRL, data);
5405 
5406 		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_0, 0);
5407 		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_1, 0);
5408 	} else {
5409 		tmp = RREG32_UVD_CTX(UVD_CGC_MEM_CTRL);
5410 		tmp &= ~0x3fff;
5411 		WREG32_UVD_CTX(UVD_CGC_MEM_CTRL, tmp);
5412 
5413 		orig = data = RREG32(UVD_CGC_CTRL);
5414 		data &= ~DCM;
5415 		if (orig != data)
5416 			WREG32(UVD_CGC_CTRL, data);
5417 
5418 		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_0, 0xffffffff);
5419 		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_1, 0xffffffff);
5420 	}
5421 }
5422 
5423 static const u32 mc_cg_registers[] =
5424 {
5425 	MC_HUB_MISC_HUB_CG,
5426 	MC_HUB_MISC_SIP_CG,
5427 	MC_HUB_MISC_VM_CG,
5428 	MC_XPB_CLK_GAT,
5429 	ATC_MISC_CG,
5430 	MC_CITF_MISC_WR_CG,
5431 	MC_CITF_MISC_RD_CG,
5432 	MC_CITF_MISC_VM_CG,
5433 	VM_L2_CG,
5434 };
5435 
5436 static void si_enable_mc_ls(struct radeon_device *rdev,
5437 			    bool enable)
5438 {
5439 	int i;
5440 	u32 orig, data;
5441 
5442 	for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
5443 		orig = data = RREG32(mc_cg_registers[i]);
5444 		if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_MC_LS))
5445 			data |= MC_LS_ENABLE;
5446 		else
5447 			data &= ~MC_LS_ENABLE;
5448 		if (data != orig)
5449 			WREG32(mc_cg_registers[i], data);
5450 	}
5451 }
5452 
5453 static void si_enable_mc_mgcg(struct radeon_device *rdev,
5454 			       bool enable)
5455 {
5456 	int i;
5457 	u32 orig, data;
5458 
5459 	for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
5460 		orig = data = RREG32(mc_cg_registers[i]);
5461 		if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_MC_MGCG))
5462 			data |= MC_CG_ENABLE;
5463 		else
5464 			data &= ~MC_CG_ENABLE;
5465 		if (data != orig)
5466 			WREG32(mc_cg_registers[i], data);
5467 	}
5468 }
5469 
5470 static void si_enable_dma_mgcg(struct radeon_device *rdev,
5471 			       bool enable)
5472 {
5473 	u32 orig, data, offset;
5474 	int i;
5475 
5476 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_SDMA_MGCG)) {
5477 		for (i = 0; i < 2; i++) {
5478 			if (i == 0)
5479 				offset = DMA0_REGISTER_OFFSET;
5480 			else
5481 				offset = DMA1_REGISTER_OFFSET;
5482 			orig = data = RREG32(DMA_POWER_CNTL + offset);
5483 			data &= ~MEM_POWER_OVERRIDE;
5484 			if (data != orig)
5485 				WREG32(DMA_POWER_CNTL + offset, data);
5486 			WREG32(DMA_CLK_CTRL + offset, 0x00000100);
5487 		}
5488 	} else {
5489 		for (i = 0; i < 2; i++) {
5490 			if (i == 0)
5491 				offset = DMA0_REGISTER_OFFSET;
5492 			else
5493 				offset = DMA1_REGISTER_OFFSET;
5494 			orig = data = RREG32(DMA_POWER_CNTL + offset);
5495 			data |= MEM_POWER_OVERRIDE;
5496 			if (data != orig)
5497 				WREG32(DMA_POWER_CNTL + offset, data);
5498 
5499 			orig = data = RREG32(DMA_CLK_CTRL + offset);
5500 			data = 0xff000000;
5501 			if (data != orig)
5502 				WREG32(DMA_CLK_CTRL + offset, data);
5503 		}
5504 	}
5505 }
5506 
5507 static void si_enable_bif_mgls(struct radeon_device *rdev,
5508 			       bool enable)
5509 {
5510 	u32 orig, data;
5511 
5512 	orig = data = RREG32_PCIE(PCIE_CNTL2);
5513 
5514 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_BIF_LS))
5515 		data |= SLV_MEM_LS_EN | MST_MEM_LS_EN |
5516 			REPLAY_MEM_LS_EN | SLV_MEM_AGGRESSIVE_LS_EN;
5517 	else
5518 		data &= ~(SLV_MEM_LS_EN | MST_MEM_LS_EN |
5519 			  REPLAY_MEM_LS_EN | SLV_MEM_AGGRESSIVE_LS_EN);
5520 
5521 	if (orig != data)
5522 		WREG32_PCIE(PCIE_CNTL2, data);
5523 }
5524 
5525 static void si_enable_hdp_mgcg(struct radeon_device *rdev,
5526 			       bool enable)
5527 {
5528 	u32 orig, data;
5529 
5530 	orig = data = RREG32(HDP_HOST_PATH_CNTL);
5531 
5532 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_HDP_MGCG))
5533 		data &= ~CLOCK_GATING_DIS;
5534 	else
5535 		data |= CLOCK_GATING_DIS;
5536 
5537 	if (orig != data)
5538 		WREG32(HDP_HOST_PATH_CNTL, data);
5539 }
5540 
5541 static void si_enable_hdp_ls(struct radeon_device *rdev,
5542 			     bool enable)
5543 {
5544 	u32 orig, data;
5545 
5546 	orig = data = RREG32(HDP_MEM_POWER_LS);
5547 
5548 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_HDP_LS))
5549 		data |= HDP_LS_ENABLE;
5550 	else
5551 		data &= ~HDP_LS_ENABLE;
5552 
5553 	if (orig != data)
5554 		WREG32(HDP_MEM_POWER_LS, data);
5555 }
5556 
5557 static void si_update_cg(struct radeon_device *rdev,
5558 			 u32 block, bool enable)
5559 {
5560 	if (block & RADEON_CG_BLOCK_GFX) {
5561 		si_enable_gui_idle_interrupt(rdev, false);
5562 		/* order matters! */
5563 		if (enable) {
5564 			si_enable_mgcg(rdev, true);
5565 			si_enable_cgcg(rdev, true);
5566 		} else {
5567 			si_enable_cgcg(rdev, false);
5568 			si_enable_mgcg(rdev, false);
5569 		}
5570 		si_enable_gui_idle_interrupt(rdev, true);
5571 	}
5572 
5573 	if (block & RADEON_CG_BLOCK_MC) {
5574 		si_enable_mc_mgcg(rdev, enable);
5575 		si_enable_mc_ls(rdev, enable);
5576 	}
5577 
5578 	if (block & RADEON_CG_BLOCK_SDMA) {
5579 		si_enable_dma_mgcg(rdev, enable);
5580 	}
5581 
5582 	if (block & RADEON_CG_BLOCK_BIF) {
5583 		si_enable_bif_mgls(rdev, enable);
5584 	}
5585 
5586 	if (block & RADEON_CG_BLOCK_UVD) {
5587 		if (rdev->has_uvd) {
5588 			si_enable_uvd_mgcg(rdev, enable);
5589 		}
5590 	}
5591 
5592 	if (block & RADEON_CG_BLOCK_HDP) {
5593 		si_enable_hdp_mgcg(rdev, enable);
5594 		si_enable_hdp_ls(rdev, enable);
5595 	}
5596 }
5597 
5598 static void si_init_cg(struct radeon_device *rdev)
5599 {
5600 	si_update_cg(rdev, (RADEON_CG_BLOCK_GFX |
5601 			    RADEON_CG_BLOCK_MC |
5602 			    RADEON_CG_BLOCK_SDMA |
5603 			    RADEON_CG_BLOCK_BIF |
5604 			    RADEON_CG_BLOCK_HDP), true);
5605 	if (rdev->has_uvd) {
5606 		si_update_cg(rdev, RADEON_CG_BLOCK_UVD, true);
5607 		si_init_uvd_internal_cg(rdev);
5608 	}
5609 }
5610 
5611 static void si_fini_cg(struct radeon_device *rdev)
5612 {
5613 	if (rdev->has_uvd) {
5614 		si_update_cg(rdev, RADEON_CG_BLOCK_UVD, false);
5615 	}
5616 	si_update_cg(rdev, (RADEON_CG_BLOCK_GFX |
5617 			    RADEON_CG_BLOCK_MC |
5618 			    RADEON_CG_BLOCK_SDMA |
5619 			    RADEON_CG_BLOCK_BIF |
5620 			    RADEON_CG_BLOCK_HDP), false);
5621 }
5622 
5623 u32 si_get_csb_size(struct radeon_device *rdev)
5624 {
5625 	u32 count = 0;
5626 	const struct cs_section_def *sect = NULL;
5627 	const struct cs_extent_def *ext = NULL;
5628 
5629 	if (rdev->rlc.cs_data == NULL)
5630 		return 0;
5631 
5632 	/* begin clear state */
5633 	count += 2;
5634 	/* context control state */
5635 	count += 3;
5636 
5637 	for (sect = rdev->rlc.cs_data; sect->section != NULL; ++sect) {
5638 		for (ext = sect->section; ext->extent != NULL; ++ext) {
5639 			if (sect->id == SECT_CONTEXT)
5640 				count += 2 + ext->reg_count;
5641 			else
5642 				return 0;
5643 		}
5644 	}
5645 	/* pa_sc_raster_config */
5646 	count += 3;
5647 	/* end clear state */
5648 	count += 2;
5649 	/* clear state */
5650 	count += 2;
5651 
5652 	return count;
5653 }
5654 
5655 void si_get_csb_buffer(struct radeon_device *rdev, volatile u32 *buffer)
5656 {
5657 	u32 count = 0, i;
5658 	const struct cs_section_def *sect = NULL;
5659 	const struct cs_extent_def *ext = NULL;
5660 
5661 	if (rdev->rlc.cs_data == NULL)
5662 		return;
5663 	if (buffer == NULL)
5664 		return;
5665 
5666 	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_PREAMBLE_CNTL, 0));
5667 	buffer[count++] = cpu_to_le32(PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
5668 
5669 	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_CONTEXT_CONTROL, 1));
5670 	buffer[count++] = cpu_to_le32(0x80000000);
5671 	buffer[count++] = cpu_to_le32(0x80000000);
5672 
5673 	for (sect = rdev->rlc.cs_data; sect->section != NULL; ++sect) {
5674 		for (ext = sect->section; ext->extent != NULL; ++ext) {
5675 			if (sect->id == SECT_CONTEXT) {
5676 				buffer[count++] =
5677 					cpu_to_le32(PACKET3(PACKET3_SET_CONTEXT_REG, ext->reg_count));
5678 				buffer[count++] = cpu_to_le32(ext->reg_index - 0xa000);
5679 				for (i = 0; i < ext->reg_count; i++)
5680 					buffer[count++] = cpu_to_le32(ext->extent[i]);
5681 			} else {
5682 				return;
5683 			}
5684 		}
5685 	}
5686 
5687 	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_SET_CONTEXT_REG, 1));
5688 	buffer[count++] = cpu_to_le32(PA_SC_RASTER_CONFIG - PACKET3_SET_CONTEXT_REG_START);
5689 	switch (rdev->family) {
5690 	case CHIP_TAHITI:
5691 	case CHIP_PITCAIRN:
5692 		buffer[count++] = cpu_to_le32(0x2a00126a);
5693 		break;
5694 	case CHIP_VERDE:
5695 		buffer[count++] = cpu_to_le32(0x0000124a);
5696 		break;
5697 	case CHIP_OLAND:
5698 		buffer[count++] = cpu_to_le32(0x00000082);
5699 		break;
5700 	case CHIP_HAINAN:
5701 		buffer[count++] = cpu_to_le32(0x00000000);
5702 		break;
5703 	default:
5704 		buffer[count++] = cpu_to_le32(0x00000000);
5705 		break;
5706 	}
5707 
5708 	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_PREAMBLE_CNTL, 0));
5709 	buffer[count++] = cpu_to_le32(PACKET3_PREAMBLE_END_CLEAR_STATE);
5710 
5711 	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_CLEAR_STATE, 0));
5712 	buffer[count++] = cpu_to_le32(0);
5713 }
5714 
5715 static void si_init_pg(struct radeon_device *rdev)
5716 {
5717 	if (rdev->pg_flags) {
5718 		if (rdev->pg_flags & RADEON_PG_SUPPORT_SDMA) {
5719 			si_init_dma_pg(rdev);
5720 		}
5721 		si_init_ao_cu_mask(rdev);
5722 		if (rdev->pg_flags & RADEON_PG_SUPPORT_GFX_PG) {
5723 			si_init_gfx_cgpg(rdev);
5724 		} else {
5725 			WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
5726 			WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
5727 		}
5728 		si_enable_dma_pg(rdev, true);
5729 		si_enable_gfx_cgpg(rdev, true);
5730 	} else {
5731 		WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
5732 		WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
5733 	}
5734 }
5735 
5736 static void si_fini_pg(struct radeon_device *rdev)
5737 {
5738 	if (rdev->pg_flags) {
5739 		si_enable_dma_pg(rdev, false);
5740 		si_enable_gfx_cgpg(rdev, false);
5741 	}
5742 }
5743 
5744 /*
5745  * RLC
5746  */
5747 void si_rlc_reset(struct radeon_device *rdev)
5748 {
5749 	u32 tmp = RREG32(GRBM_SOFT_RESET);
5750 
5751 	tmp |= SOFT_RESET_RLC;
5752 	WREG32(GRBM_SOFT_RESET, tmp);
5753 	udelay(50);
5754 	tmp &= ~SOFT_RESET_RLC;
5755 	WREG32(GRBM_SOFT_RESET, tmp);
5756 	udelay(50);
5757 }
5758 
5759 static void si_rlc_stop(struct radeon_device *rdev)
5760 {
5761 	WREG32(RLC_CNTL, 0);
5762 
5763 	si_enable_gui_idle_interrupt(rdev, false);
5764 
5765 	si_wait_for_rlc_serdes(rdev);
5766 }
5767 
5768 static void si_rlc_start(struct radeon_device *rdev)
5769 {
5770 	WREG32(RLC_CNTL, RLC_ENABLE);
5771 
5772 	si_enable_gui_idle_interrupt(rdev, true);
5773 
5774 	udelay(50);
5775 }
5776 
5777 static bool si_lbpw_supported(struct radeon_device *rdev)
5778 {
5779 	u32 tmp;
5780 
5781 	/* Enable LBPW only for DDR3 */
5782 	tmp = RREG32(MC_SEQ_MISC0);
5783 	if ((tmp & 0xF0000000) == 0xB0000000)
5784 		return true;
5785 	return false;
5786 }
5787 
5788 static void si_enable_lbpw(struct radeon_device *rdev, bool enable)
5789 {
5790 	u32 tmp;
5791 
5792 	tmp = RREG32(RLC_LB_CNTL);
5793 	if (enable)
5794 		tmp |= LOAD_BALANCE_ENABLE;
5795 	else
5796 		tmp &= ~LOAD_BALANCE_ENABLE;
5797 	WREG32(RLC_LB_CNTL, tmp);
5798 
5799 	if (!enable) {
5800 		si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
5801 		WREG32(SPI_LB_CU_MASK, 0x00ff);
5802 	}
5803 }
5804 
5805 static int si_rlc_resume(struct radeon_device *rdev)
5806 {
5807 	u32 i;
5808 
5809 	if (!rdev->rlc_fw)
5810 		return -EINVAL;
5811 
5812 	si_rlc_stop(rdev);
5813 
5814 	si_rlc_reset(rdev);
5815 
5816 	si_init_pg(rdev);
5817 
5818 	si_init_cg(rdev);
5819 
5820 	WREG32(RLC_RL_BASE, 0);
5821 	WREG32(RLC_RL_SIZE, 0);
5822 	WREG32(RLC_LB_CNTL, 0);
5823 	WREG32(RLC_LB_CNTR_MAX, 0xffffffff);
5824 	WREG32(RLC_LB_CNTR_INIT, 0);
5825 	WREG32(RLC_LB_INIT_CU_MASK, 0xffffffff);
5826 
5827 	WREG32(RLC_MC_CNTL, 0);
5828 	WREG32(RLC_UCODE_CNTL, 0);
5829 
5830 	if (rdev->new_fw) {
5831 		const struct rlc_firmware_header_v1_0 *hdr =
5832 			(const struct rlc_firmware_header_v1_0 *)rdev->rlc_fw->data;
5833 		u32 fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
5834 		const __le32 *fw_data = (const __le32 *)
5835 			(rdev->rlc_fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
5836 
5837 		radeon_ucode_print_rlc_hdr(&hdr->header);
5838 
5839 		for (i = 0; i < fw_size; i++) {
5840 			WREG32(RLC_UCODE_ADDR, i);
5841 			WREG32(RLC_UCODE_DATA, le32_to_cpup(fw_data++));
5842 		}
5843 	} else {
5844 		const __be32 *fw_data =
5845 			(const __be32 *)rdev->rlc_fw->data;
5846 		for (i = 0; i < SI_RLC_UCODE_SIZE; i++) {
5847 			WREG32(RLC_UCODE_ADDR, i);
5848 			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
5849 		}
5850 	}
5851 	WREG32(RLC_UCODE_ADDR, 0);
5852 
5853 	si_enable_lbpw(rdev, si_lbpw_supported(rdev));
5854 
5855 	si_rlc_start(rdev);
5856 
5857 	return 0;
5858 }
5859 
5860 static void si_enable_interrupts(struct radeon_device *rdev)
5861 {
5862 	u32 ih_cntl = RREG32(IH_CNTL);
5863 	u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
5864 
5865 	ih_cntl |= ENABLE_INTR;
5866 	ih_rb_cntl |= IH_RB_ENABLE;
5867 	WREG32(IH_CNTL, ih_cntl);
5868 	WREG32(IH_RB_CNTL, ih_rb_cntl);
5869 	rdev->ih.enabled = true;
5870 }
5871 
5872 static void si_disable_interrupts(struct radeon_device *rdev)
5873 {
5874 	u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
5875 	u32 ih_cntl = RREG32(IH_CNTL);
5876 
5877 	ih_rb_cntl &= ~IH_RB_ENABLE;
5878 	ih_cntl &= ~ENABLE_INTR;
5879 	WREG32(IH_RB_CNTL, ih_rb_cntl);
5880 	WREG32(IH_CNTL, ih_cntl);
5881 	/* set rptr, wptr to 0 */
5882 	WREG32(IH_RB_RPTR, 0);
5883 	WREG32(IH_RB_WPTR, 0);
5884 	rdev->ih.enabled = false;
5885 	rdev->ih.rptr = 0;
5886 }
5887 
5888 static void si_disable_interrupt_state(struct radeon_device *rdev)
5889 {
5890 	u32 tmp;
5891 
5892 	tmp = RREG32(CP_INT_CNTL_RING0) &
5893 		(CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
5894 	WREG32(CP_INT_CNTL_RING0, tmp);
5895 	WREG32(CP_INT_CNTL_RING1, 0);
5896 	WREG32(CP_INT_CNTL_RING2, 0);
5897 	tmp = RREG32(DMA_CNTL + DMA0_REGISTER_OFFSET) & ~TRAP_ENABLE;
5898 	WREG32(DMA_CNTL + DMA0_REGISTER_OFFSET, tmp);
5899 	tmp = RREG32(DMA_CNTL + DMA1_REGISTER_OFFSET) & ~TRAP_ENABLE;
5900 	WREG32(DMA_CNTL + DMA1_REGISTER_OFFSET, tmp);
5901 	WREG32(GRBM_INT_CNTL, 0);
5902 	if (rdev->num_crtc >= 2) {
5903 		WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
5904 		WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
5905 	}
5906 	if (rdev->num_crtc >= 4) {
5907 		WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
5908 		WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
5909 	}
5910 	if (rdev->num_crtc >= 6) {
5911 		WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
5912 		WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
5913 	}
5914 
5915 	if (rdev->num_crtc >= 2) {
5916 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
5917 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
5918 	}
5919 	if (rdev->num_crtc >= 4) {
5920 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
5921 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
5922 	}
5923 	if (rdev->num_crtc >= 6) {
5924 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
5925 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
5926 	}
5927 
5928 	if (!ASIC_IS_NODCE(rdev)) {
5929 		WREG32(DAC_AUTODETECT_INT_CONTROL, 0);
5930 
5931 		tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5932 		WREG32(DC_HPD1_INT_CONTROL, tmp);
5933 		tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5934 		WREG32(DC_HPD2_INT_CONTROL, tmp);
5935 		tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5936 		WREG32(DC_HPD3_INT_CONTROL, tmp);
5937 		tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5938 		WREG32(DC_HPD4_INT_CONTROL, tmp);
5939 		tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5940 		WREG32(DC_HPD5_INT_CONTROL, tmp);
5941 		tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5942 		WREG32(DC_HPD6_INT_CONTROL, tmp);
5943 	}
5944 }
5945 
5946 static int si_irq_init(struct radeon_device *rdev)
5947 {
5948 	int ret = 0;
5949 	int rb_bufsz;
5950 	u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
5951 
5952 	/* allocate ring */
5953 	ret = r600_ih_ring_alloc(rdev);
5954 	if (ret)
5955 		return ret;
5956 
5957 	/* disable irqs */
5958 	si_disable_interrupts(rdev);
5959 
5960 	/* init rlc */
5961 	ret = si_rlc_resume(rdev);
5962 	if (ret) {
5963 		r600_ih_ring_fini(rdev);
5964 		return ret;
5965 	}
5966 
5967 	/* setup interrupt control */
5968 	/* set dummy read address to ring address */
5969 	WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8);
5970 	interrupt_cntl = RREG32(INTERRUPT_CNTL);
5971 	/* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi
5972 	 * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN
5973 	 */
5974 	interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE;
5975 	/* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */
5976 	interrupt_cntl &= ~IH_REQ_NONSNOOP_EN;
5977 	WREG32(INTERRUPT_CNTL, interrupt_cntl);
5978 
5979 	WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8);
5980 	rb_bufsz = order_base_2(rdev->ih.ring_size / 4);
5981 
5982 	ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE |
5983 		      IH_WPTR_OVERFLOW_CLEAR |
5984 		      (rb_bufsz << 1));
5985 
5986 	if (rdev->wb.enabled)
5987 		ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;
5988 
5989 	/* set the writeback address whether it's enabled or not */
5990 	WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC);
5991 	WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF);
5992 
5993 	WREG32(IH_RB_CNTL, ih_rb_cntl);
5994 
5995 	/* set rptr, wptr to 0 */
5996 	WREG32(IH_RB_RPTR, 0);
5997 	WREG32(IH_RB_WPTR, 0);
5998 
5999 	/* Default settings for IH_CNTL (disabled at first) */
6000 	ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10) | MC_VMID(0);
6001 	/* RPTR_REARM only works if msi's are enabled */
6002 	if (rdev->msi_enabled)
6003 		ih_cntl |= RPTR_REARM;
6004 	WREG32(IH_CNTL, ih_cntl);
6005 
6006 	/* force the active interrupt state to all disabled */
6007 	si_disable_interrupt_state(rdev);
6008 
6009 	pci_set_master(rdev->pdev);
6010 
6011 	/* enable irqs */
6012 	si_enable_interrupts(rdev);
6013 
6014 	return ret;
6015 }
6016 
6017 int si_irq_set(struct radeon_device *rdev)
6018 {
6019 	u32 cp_int_cntl;
6020 	u32 cp_int_cntl1 = 0, cp_int_cntl2 = 0;
6021 	u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
6022 	u32 hpd1 = 0, hpd2 = 0, hpd3 = 0, hpd4 = 0, hpd5 = 0, hpd6 = 0;
6023 	u32 grbm_int_cntl = 0;
6024 	u32 dma_cntl, dma_cntl1;
6025 	u32 thermal_int = 0;
6026 
6027 	if (!rdev->irq.installed) {
6028 		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
6029 		return -EINVAL;
6030 	}
6031 	/* don't enable anything if the ih is disabled */
6032 	if (!rdev->ih.enabled) {
6033 		si_disable_interrupts(rdev);
6034 		/* force the active interrupt state to all disabled */
6035 		si_disable_interrupt_state(rdev);
6036 		return 0;
6037 	}
6038 
6039 	cp_int_cntl = RREG32(CP_INT_CNTL_RING0) &
6040 		(CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
6041 
6042 	if (!ASIC_IS_NODCE(rdev)) {
6043 		hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
6044 		hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
6045 		hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
6046 		hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
6047 		hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
6048 		hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
6049 	}
6050 
6051 	dma_cntl = RREG32(DMA_CNTL + DMA0_REGISTER_OFFSET) & ~TRAP_ENABLE;
6052 	dma_cntl1 = RREG32(DMA_CNTL + DMA1_REGISTER_OFFSET) & ~TRAP_ENABLE;
6053 
6054 	thermal_int = RREG32(CG_THERMAL_INT) &
6055 		~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
6056 
6057 	/* enable CP interrupts on all rings */
6058 	if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
6059 		DRM_DEBUG("si_irq_set: sw int gfx\n");
6060 		cp_int_cntl |= TIME_STAMP_INT_ENABLE;
6061 	}
6062 	if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP1_INDEX])) {
6063 		DRM_DEBUG("si_irq_set: sw int cp1\n");
6064 		cp_int_cntl1 |= TIME_STAMP_INT_ENABLE;
6065 	}
6066 	if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP2_INDEX])) {
6067 		DRM_DEBUG("si_irq_set: sw int cp2\n");
6068 		cp_int_cntl2 |= TIME_STAMP_INT_ENABLE;
6069 	}
6070 	if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
6071 		DRM_DEBUG("si_irq_set: sw int dma\n");
6072 		dma_cntl |= TRAP_ENABLE;
6073 	}
6074 
6075 	if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_DMA1_INDEX])) {
6076 		DRM_DEBUG("si_irq_set: sw int dma1\n");
6077 		dma_cntl1 |= TRAP_ENABLE;
6078 	}
6079 	if (rdev->irq.crtc_vblank_int[0] ||
6080 	    atomic_read(&rdev->irq.pflip[0])) {
6081 		DRM_DEBUG("si_irq_set: vblank 0\n");
6082 		crtc1 |= VBLANK_INT_MASK;
6083 	}
6084 	if (rdev->irq.crtc_vblank_int[1] ||
6085 	    atomic_read(&rdev->irq.pflip[1])) {
6086 		DRM_DEBUG("si_irq_set: vblank 1\n");
6087 		crtc2 |= VBLANK_INT_MASK;
6088 	}
6089 	if (rdev->irq.crtc_vblank_int[2] ||
6090 	    atomic_read(&rdev->irq.pflip[2])) {
6091 		DRM_DEBUG("si_irq_set: vblank 2\n");
6092 		crtc3 |= VBLANK_INT_MASK;
6093 	}
6094 	if (rdev->irq.crtc_vblank_int[3] ||
6095 	    atomic_read(&rdev->irq.pflip[3])) {
6096 		DRM_DEBUG("si_irq_set: vblank 3\n");
6097 		crtc4 |= VBLANK_INT_MASK;
6098 	}
6099 	if (rdev->irq.crtc_vblank_int[4] ||
6100 	    atomic_read(&rdev->irq.pflip[4])) {
6101 		DRM_DEBUG("si_irq_set: vblank 4\n");
6102 		crtc5 |= VBLANK_INT_MASK;
6103 	}
6104 	if (rdev->irq.crtc_vblank_int[5] ||
6105 	    atomic_read(&rdev->irq.pflip[5])) {
6106 		DRM_DEBUG("si_irq_set: vblank 5\n");
6107 		crtc6 |= VBLANK_INT_MASK;
6108 	}
6109 	if (rdev->irq.hpd[0]) {
6110 		DRM_DEBUG("si_irq_set: hpd 1\n");
6111 		hpd1 |= DC_HPDx_INT_EN;
6112 	}
6113 	if (rdev->irq.hpd[1]) {
6114 		DRM_DEBUG("si_irq_set: hpd 2\n");
6115 		hpd2 |= DC_HPDx_INT_EN;
6116 	}
6117 	if (rdev->irq.hpd[2]) {
6118 		DRM_DEBUG("si_irq_set: hpd 3\n");
6119 		hpd3 |= DC_HPDx_INT_EN;
6120 	}
6121 	if (rdev->irq.hpd[3]) {
6122 		DRM_DEBUG("si_irq_set: hpd 4\n");
6123 		hpd4 |= DC_HPDx_INT_EN;
6124 	}
6125 	if (rdev->irq.hpd[4]) {
6126 		DRM_DEBUG("si_irq_set: hpd 5\n");
6127 		hpd5 |= DC_HPDx_INT_EN;
6128 	}
6129 	if (rdev->irq.hpd[5]) {
6130 		DRM_DEBUG("si_irq_set: hpd 6\n");
6131 		hpd6 |= DC_HPDx_INT_EN;
6132 	}
6133 
6134 	WREG32(CP_INT_CNTL_RING0, cp_int_cntl);
6135 	WREG32(CP_INT_CNTL_RING1, cp_int_cntl1);
6136 	WREG32(CP_INT_CNTL_RING2, cp_int_cntl2);
6137 
6138 	WREG32(DMA_CNTL + DMA0_REGISTER_OFFSET, dma_cntl);
6139 	WREG32(DMA_CNTL + DMA1_REGISTER_OFFSET, dma_cntl1);
6140 
6141 	WREG32(GRBM_INT_CNTL, grbm_int_cntl);
6142 
6143 	if (rdev->irq.dpm_thermal) {
6144 		DRM_DEBUG("dpm thermal\n");
6145 		thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW;
6146 	}
6147 
6148 	if (rdev->num_crtc >= 2) {
6149 		WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
6150 		WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
6151 	}
6152 	if (rdev->num_crtc >= 4) {
6153 		WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3);
6154 		WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4);
6155 	}
6156 	if (rdev->num_crtc >= 6) {
6157 		WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5);
6158 		WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6);
6159 	}
6160 
6161 	if (rdev->num_crtc >= 2) {
6162 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET,
6163 		       GRPH_PFLIP_INT_MASK);
6164 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET,
6165 		       GRPH_PFLIP_INT_MASK);
6166 	}
6167 	if (rdev->num_crtc >= 4) {
6168 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET,
6169 		       GRPH_PFLIP_INT_MASK);
6170 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET,
6171 		       GRPH_PFLIP_INT_MASK);
6172 	}
6173 	if (rdev->num_crtc >= 6) {
6174 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET,
6175 		       GRPH_PFLIP_INT_MASK);
6176 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET,
6177 		       GRPH_PFLIP_INT_MASK);
6178 	}
6179 
6180 	if (!ASIC_IS_NODCE(rdev)) {
6181 		WREG32(DC_HPD1_INT_CONTROL, hpd1);
6182 		WREG32(DC_HPD2_INT_CONTROL, hpd2);
6183 		WREG32(DC_HPD3_INT_CONTROL, hpd3);
6184 		WREG32(DC_HPD4_INT_CONTROL, hpd4);
6185 		WREG32(DC_HPD5_INT_CONTROL, hpd5);
6186 		WREG32(DC_HPD6_INT_CONTROL, hpd6);
6187 	}
6188 
6189 	WREG32(CG_THERMAL_INT, thermal_int);
6190 
6191 	return 0;
6192 }
6193 
6194 static inline void si_irq_ack(struct radeon_device *rdev)
6195 {
6196 	u32 tmp;
6197 
6198 	if (ASIC_IS_NODCE(rdev))
6199 		return;
6200 
6201 	rdev->irq.stat_regs.evergreen.disp_int = RREG32(DISP_INTERRUPT_STATUS);
6202 	rdev->irq.stat_regs.evergreen.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
6203 	rdev->irq.stat_regs.evergreen.disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2);
6204 	rdev->irq.stat_regs.evergreen.disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3);
6205 	rdev->irq.stat_regs.evergreen.disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4);
6206 	rdev->irq.stat_regs.evergreen.disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5);
6207 	rdev->irq.stat_regs.evergreen.d1grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET);
6208 	rdev->irq.stat_regs.evergreen.d2grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET);
6209 	if (rdev->num_crtc >= 4) {
6210 		rdev->irq.stat_regs.evergreen.d3grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET);
6211 		rdev->irq.stat_regs.evergreen.d4grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET);
6212 	}
6213 	if (rdev->num_crtc >= 6) {
6214 		rdev->irq.stat_regs.evergreen.d5grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET);
6215 		rdev->irq.stat_regs.evergreen.d6grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET);
6216 	}
6217 
6218 	if (rdev->irq.stat_regs.evergreen.d1grph_int & GRPH_PFLIP_INT_OCCURRED)
6219 		WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6220 	if (rdev->irq.stat_regs.evergreen.d2grph_int & GRPH_PFLIP_INT_OCCURRED)
6221 		WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6222 	if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT)
6223 		WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK);
6224 	if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT)
6225 		WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK);
6226 	if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT)
6227 		WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK);
6228 	if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT)
6229 		WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK);
6230 
6231 	if (rdev->num_crtc >= 4) {
6232 		if (rdev->irq.stat_regs.evergreen.d3grph_int & GRPH_PFLIP_INT_OCCURRED)
6233 			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6234 		if (rdev->irq.stat_regs.evergreen.d4grph_int & GRPH_PFLIP_INT_OCCURRED)
6235 			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6236 		if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)
6237 			WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK);
6238 		if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT)
6239 			WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK);
6240 		if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)
6241 			WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK);
6242 		if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT)
6243 			WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK);
6244 	}
6245 
6246 	if (rdev->num_crtc >= 6) {
6247 		if (rdev->irq.stat_regs.evergreen.d5grph_int & GRPH_PFLIP_INT_OCCURRED)
6248 			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6249 		if (rdev->irq.stat_regs.evergreen.d6grph_int & GRPH_PFLIP_INT_OCCURRED)
6250 			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6251 		if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)
6252 			WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK);
6253 		if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT)
6254 			WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK);
6255 		if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)
6256 			WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK);
6257 		if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT)
6258 			WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK);
6259 	}
6260 
6261 	if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
6262 		tmp = RREG32(DC_HPD1_INT_CONTROL);
6263 		tmp |= DC_HPDx_INT_ACK;
6264 		WREG32(DC_HPD1_INT_CONTROL, tmp);
6265 	}
6266 	if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
6267 		tmp = RREG32(DC_HPD2_INT_CONTROL);
6268 		tmp |= DC_HPDx_INT_ACK;
6269 		WREG32(DC_HPD2_INT_CONTROL, tmp);
6270 	}
6271 	if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
6272 		tmp = RREG32(DC_HPD3_INT_CONTROL);
6273 		tmp |= DC_HPDx_INT_ACK;
6274 		WREG32(DC_HPD3_INT_CONTROL, tmp);
6275 	}
6276 	if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
6277 		tmp = RREG32(DC_HPD4_INT_CONTROL);
6278 		tmp |= DC_HPDx_INT_ACK;
6279 		WREG32(DC_HPD4_INT_CONTROL, tmp);
6280 	}
6281 	if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
6282 		tmp = RREG32(DC_HPD5_INT_CONTROL);
6283 		tmp |= DC_HPDx_INT_ACK;
6284 		WREG32(DC_HPD5_INT_CONTROL, tmp);
6285 	}
6286 	if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
6287 		tmp = RREG32(DC_HPD5_INT_CONTROL);
6288 		tmp |= DC_HPDx_INT_ACK;
6289 		WREG32(DC_HPD6_INT_CONTROL, tmp);
6290 	}
6291 }
6292 
6293 static void si_irq_disable(struct radeon_device *rdev)
6294 {
6295 	si_disable_interrupts(rdev);
6296 	/* Wait and acknowledge irq */
6297 	mdelay(1);
6298 	si_irq_ack(rdev);
6299 	si_disable_interrupt_state(rdev);
6300 }
6301 
6302 static void si_irq_suspend(struct radeon_device *rdev)
6303 {
6304 	si_irq_disable(rdev);
6305 	si_rlc_stop(rdev);
6306 }
6307 
6308 static void si_irq_fini(struct radeon_device *rdev)
6309 {
6310 	si_irq_suspend(rdev);
6311 	r600_ih_ring_fini(rdev);
6312 }
6313 
6314 static inline u32 si_get_ih_wptr(struct radeon_device *rdev)
6315 {
6316 	u32 wptr, tmp;
6317 
6318 	if (rdev->wb.enabled)
6319 		wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
6320 	else
6321 		wptr = RREG32(IH_RB_WPTR);
6322 
6323 	if (wptr & RB_OVERFLOW) {
6324 		wptr &= ~RB_OVERFLOW;
6325 		/* When a ring buffer overflow happen start parsing interrupt
6326 		 * from the last not overwritten vector (wptr + 16). Hopefully
6327 		 * this should allow us to catchup.
6328 		 */
6329 		dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, 0x%08X, 0x%08X)\n",
6330 			 wptr, rdev->ih.rptr, (wptr + 16) & rdev->ih.ptr_mask);
6331 		rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
6332 		tmp = RREG32(IH_RB_CNTL);
6333 		tmp |= IH_WPTR_OVERFLOW_CLEAR;
6334 		WREG32(IH_RB_CNTL, tmp);
6335 	}
6336 	return (wptr & rdev->ih.ptr_mask);
6337 }
6338 
6339 /*        SI IV Ring
6340  * Each IV ring entry is 128 bits:
6341  * [7:0]    - interrupt source id
6342  * [31:8]   - reserved
6343  * [59:32]  - interrupt source data
6344  * [63:60]  - reserved
6345  * [71:64]  - RINGID
6346  * [79:72]  - VMID
6347  * [127:80] - reserved
6348  */
6349 int si_irq_process(struct radeon_device *rdev)
6350 {
6351 	u32 wptr;
6352 	u32 rptr;
6353 	u32 src_id, src_data, ring_id;
6354 	u32 ring_index;
6355 	bool queue_hotplug = false;
6356 	bool queue_thermal = false;
6357 	u32 status, addr;
6358 
6359 	if (!rdev->ih.enabled || rdev->shutdown)
6360 		return IRQ_NONE;
6361 
6362 	wptr = si_get_ih_wptr(rdev);
6363 
6364 restart_ih:
6365 	/* is somebody else already processing irqs? */
6366 	if (atomic_xchg(&rdev->ih.lock, 1))
6367 		return IRQ_NONE;
6368 
6369 	rptr = rdev->ih.rptr;
6370 	DRM_DEBUG("si_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
6371 
6372 	/* Order reading of wptr vs. reading of IH ring data */
6373 	rmb();
6374 
6375 	/* display interrupts */
6376 	si_irq_ack(rdev);
6377 
6378 	while (rptr != wptr) {
6379 		/* wptr/rptr are in bytes! */
6380 		ring_index = rptr / 4;
6381 		src_id =  le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
6382 		src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
6383 		ring_id = le32_to_cpu(rdev->ih.ring[ring_index + 2]) & 0xff;
6384 
6385 		switch (src_id) {
6386 		case 1: /* D1 vblank/vline */
6387 			switch (src_data) {
6388 			case 0: /* D1 vblank */
6389 				if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT) {
6390 					if (rdev->irq.crtc_vblank_int[0]) {
6391 						drm_handle_vblank(rdev->ddev, 0);
6392 						rdev->pm.vblank_sync = true;
6393 						wake_up(&rdev->irq.vblank_queue);
6394 					}
6395 					if (atomic_read(&rdev->irq.pflip[0]))
6396 						radeon_crtc_handle_vblank(rdev, 0);
6397 					rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
6398 					DRM_DEBUG("IH: D1 vblank\n");
6399 				}
6400 				break;
6401 			case 1: /* D1 vline */
6402 				if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT) {
6403 					rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VLINE_INTERRUPT;
6404 					DRM_DEBUG("IH: D1 vline\n");
6405 				}
6406 				break;
6407 			default:
6408 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6409 				break;
6410 			}
6411 			break;
6412 		case 2: /* D2 vblank/vline */
6413 			switch (src_data) {
6414 			case 0: /* D2 vblank */
6415 				if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT) {
6416 					if (rdev->irq.crtc_vblank_int[1]) {
6417 						drm_handle_vblank(rdev->ddev, 1);
6418 						rdev->pm.vblank_sync = true;
6419 						wake_up(&rdev->irq.vblank_queue);
6420 					}
6421 					if (atomic_read(&rdev->irq.pflip[1]))
6422 						radeon_crtc_handle_vblank(rdev, 1);
6423 					rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
6424 					DRM_DEBUG("IH: D2 vblank\n");
6425 				}
6426 				break;
6427 			case 1: /* D2 vline */
6428 				if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT) {
6429 					rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT;
6430 					DRM_DEBUG("IH: D2 vline\n");
6431 				}
6432 				break;
6433 			default:
6434 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6435 				break;
6436 			}
6437 			break;
6438 		case 3: /* D3 vblank/vline */
6439 			switch (src_data) {
6440 			case 0: /* D3 vblank */
6441 				if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) {
6442 					if (rdev->irq.crtc_vblank_int[2]) {
6443 						drm_handle_vblank(rdev->ddev, 2);
6444 						rdev->pm.vblank_sync = true;
6445 						wake_up(&rdev->irq.vblank_queue);
6446 					}
6447 					if (atomic_read(&rdev->irq.pflip[2]))
6448 						radeon_crtc_handle_vblank(rdev, 2);
6449 					rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
6450 					DRM_DEBUG("IH: D3 vblank\n");
6451 				}
6452 				break;
6453 			case 1: /* D3 vline */
6454 				if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) {
6455 					rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT;
6456 					DRM_DEBUG("IH: D3 vline\n");
6457 				}
6458 				break;
6459 			default:
6460 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6461 				break;
6462 			}
6463 			break;
6464 		case 4: /* D4 vblank/vline */
6465 			switch (src_data) {
6466 			case 0: /* D4 vblank */
6467 				if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) {
6468 					if (rdev->irq.crtc_vblank_int[3]) {
6469 						drm_handle_vblank(rdev->ddev, 3);
6470 						rdev->pm.vblank_sync = true;
6471 						wake_up(&rdev->irq.vblank_queue);
6472 					}
6473 					if (atomic_read(&rdev->irq.pflip[3]))
6474 						radeon_crtc_handle_vblank(rdev, 3);
6475 					rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
6476 					DRM_DEBUG("IH: D4 vblank\n");
6477 				}
6478 				break;
6479 			case 1: /* D4 vline */
6480 				if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) {
6481 					rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT;
6482 					DRM_DEBUG("IH: D4 vline\n");
6483 				}
6484 				break;
6485 			default:
6486 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6487 				break;
6488 			}
6489 			break;
6490 		case 5: /* D5 vblank/vline */
6491 			switch (src_data) {
6492 			case 0: /* D5 vblank */
6493 				if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) {
6494 					if (rdev->irq.crtc_vblank_int[4]) {
6495 						drm_handle_vblank(rdev->ddev, 4);
6496 						rdev->pm.vblank_sync = true;
6497 						wake_up(&rdev->irq.vblank_queue);
6498 					}
6499 					if (atomic_read(&rdev->irq.pflip[4]))
6500 						radeon_crtc_handle_vblank(rdev, 4);
6501 					rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
6502 					DRM_DEBUG("IH: D5 vblank\n");
6503 				}
6504 				break;
6505 			case 1: /* D5 vline */
6506 				if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) {
6507 					rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT;
6508 					DRM_DEBUG("IH: D5 vline\n");
6509 				}
6510 				break;
6511 			default:
6512 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6513 				break;
6514 			}
6515 			break;
6516 		case 6: /* D6 vblank/vline */
6517 			switch (src_data) {
6518 			case 0: /* D6 vblank */
6519 				if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) {
6520 					if (rdev->irq.crtc_vblank_int[5]) {
6521 						drm_handle_vblank(rdev->ddev, 5);
6522 						rdev->pm.vblank_sync = true;
6523 						wake_up(&rdev->irq.vblank_queue);
6524 					}
6525 					if (atomic_read(&rdev->irq.pflip[5]))
6526 						radeon_crtc_handle_vblank(rdev, 5);
6527 					rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
6528 					DRM_DEBUG("IH: D6 vblank\n");
6529 				}
6530 				break;
6531 			case 1: /* D6 vline */
6532 				if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) {
6533 					rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT;
6534 					DRM_DEBUG("IH: D6 vline\n");
6535 				}
6536 				break;
6537 			default:
6538 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6539 				break;
6540 			}
6541 			break;
6542 		case 8: /* D1 page flip */
6543 		case 10: /* D2 page flip */
6544 		case 12: /* D3 page flip */
6545 		case 14: /* D4 page flip */
6546 		case 16: /* D5 page flip */
6547 		case 18: /* D6 page flip */
6548 			DRM_DEBUG("IH: D%d flip\n", ((src_id - 8) >> 1) + 1);
6549 			if (radeon_use_pflipirq > 0)
6550 				radeon_crtc_handle_flip(rdev, (src_id - 8) >> 1);
6551 			break;
6552 		case 42: /* HPD hotplug */
6553 			switch (src_data) {
6554 			case 0:
6555 				if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
6556 					rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_INTERRUPT;
6557 					queue_hotplug = true;
6558 					DRM_DEBUG("IH: HPD1\n");
6559 				}
6560 				break;
6561 			case 1:
6562 				if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
6563 					rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_INTERRUPT;
6564 					queue_hotplug = true;
6565 					DRM_DEBUG("IH: HPD2\n");
6566 				}
6567 				break;
6568 			case 2:
6569 				if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
6570 					rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_INTERRUPT;
6571 					queue_hotplug = true;
6572 					DRM_DEBUG("IH: HPD3\n");
6573 				}
6574 				break;
6575 			case 3:
6576 				if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
6577 					rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_INTERRUPT;
6578 					queue_hotplug = true;
6579 					DRM_DEBUG("IH: HPD4\n");
6580 				}
6581 				break;
6582 			case 4:
6583 				if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
6584 					rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_INTERRUPT;
6585 					queue_hotplug = true;
6586 					DRM_DEBUG("IH: HPD5\n");
6587 				}
6588 				break;
6589 			case 5:
6590 				if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
6591 					rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_INTERRUPT;
6592 					queue_hotplug = true;
6593 					DRM_DEBUG("IH: HPD6\n");
6594 				}
6595 				break;
6596 			default:
6597 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6598 				break;
6599 			}
6600 			break;
6601 		case 124: /* UVD */
6602 			DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
6603 			radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
6604 			break;
6605 		case 146:
6606 		case 147:
6607 			addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR);
6608 			status = RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS);
6609 			/* reset addr and status */
6610 			WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
6611 			if (addr == 0x0 && status == 0x0)
6612 				break;
6613 			dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data);
6614 			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
6615 				addr);
6616 			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
6617 				status);
6618 			si_vm_decode_fault(rdev, status, addr);
6619 			break;
6620 		case 176: /* RINGID0 CP_INT */
6621 			radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
6622 			break;
6623 		case 177: /* RINGID1 CP_INT */
6624 			radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
6625 			break;
6626 		case 178: /* RINGID2 CP_INT */
6627 			radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
6628 			break;
6629 		case 181: /* CP EOP event */
6630 			DRM_DEBUG("IH: CP EOP\n");
6631 			switch (ring_id) {
6632 			case 0:
6633 				radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
6634 				break;
6635 			case 1:
6636 				radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
6637 				break;
6638 			case 2:
6639 				radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
6640 				break;
6641 			}
6642 			break;
6643 		case 224: /* DMA trap event */
6644 			DRM_DEBUG("IH: DMA trap\n");
6645 			radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
6646 			break;
6647 		case 230: /* thermal low to high */
6648 			DRM_DEBUG("IH: thermal low to high\n");
6649 			rdev->pm.dpm.thermal.high_to_low = false;
6650 			queue_thermal = true;
6651 			break;
6652 		case 231: /* thermal high to low */
6653 			DRM_DEBUG("IH: thermal high to low\n");
6654 			rdev->pm.dpm.thermal.high_to_low = true;
6655 			queue_thermal = true;
6656 			break;
6657 		case 233: /* GUI IDLE */
6658 			DRM_DEBUG("IH: GUI idle\n");
6659 			break;
6660 		case 244: /* DMA trap event */
6661 			DRM_DEBUG("IH: DMA1 trap\n");
6662 			radeon_fence_process(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
6663 			break;
6664 		default:
6665 			DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6666 			break;
6667 		}
6668 
6669 		/* wptr/rptr are in bytes! */
6670 		rptr += 16;
6671 		rptr &= rdev->ih.ptr_mask;
6672 		WREG32(IH_RB_RPTR, rptr);
6673 	}
6674 	if (queue_hotplug)
6675 		schedule_work(&rdev->hotplug_work);
6676 	if (queue_thermal && rdev->pm.dpm_enabled)
6677 		schedule_work(&rdev->pm.dpm.thermal.work);
6678 	rdev->ih.rptr = rptr;
6679 	atomic_set(&rdev->ih.lock, 0);
6680 
6681 	/* make sure wptr hasn't changed while processing */
6682 	wptr = si_get_ih_wptr(rdev);
6683 	if (wptr != rptr)
6684 		goto restart_ih;
6685 
6686 	return IRQ_HANDLED;
6687 }
6688 
6689 /*
6690  * startup/shutdown callbacks
6691  */
6692 static int si_startup(struct radeon_device *rdev)
6693 {
6694 	struct radeon_ring *ring;
6695 	int r;
6696 
6697 	/* enable pcie gen2/3 link */
6698 	si_pcie_gen3_enable(rdev);
6699 	/* enable aspm */
6700 	si_program_aspm(rdev);
6701 
6702 	/* scratch needs to be initialized before MC */
6703 	r = r600_vram_scratch_init(rdev);
6704 	if (r)
6705 		return r;
6706 
6707 	si_mc_program(rdev);
6708 
6709 	if (!rdev->pm.dpm_enabled) {
6710 		r = si_mc_load_microcode(rdev);
6711 		if (r) {
6712 			DRM_ERROR("Failed to load MC firmware!\n");
6713 			return r;
6714 		}
6715 	}
6716 
6717 	r = si_pcie_gart_enable(rdev);
6718 	if (r)
6719 		return r;
6720 	si_gpu_init(rdev);
6721 
6722 	/* allocate rlc buffers */
6723 	if (rdev->family == CHIP_VERDE) {
6724 		rdev->rlc.reg_list = verde_rlc_save_restore_register_list;
6725 		rdev->rlc.reg_list_size =
6726 			(u32)ARRAY_SIZE(verde_rlc_save_restore_register_list);
6727 	}
6728 	rdev->rlc.cs_data = si_cs_data;
6729 	r = sumo_rlc_init(rdev);
6730 	if (r) {
6731 		DRM_ERROR("Failed to init rlc BOs!\n");
6732 		return r;
6733 	}
6734 
6735 	/* allocate wb buffer */
6736 	r = radeon_wb_init(rdev);
6737 	if (r)
6738 		return r;
6739 
6740 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
6741 	if (r) {
6742 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
6743 		return r;
6744 	}
6745 
6746 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
6747 	if (r) {
6748 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
6749 		return r;
6750 	}
6751 
6752 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
6753 	if (r) {
6754 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
6755 		return r;
6756 	}
6757 
6758 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
6759 	if (r) {
6760 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
6761 		return r;
6762 	}
6763 
6764 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
6765 	if (r) {
6766 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
6767 		return r;
6768 	}
6769 
6770 	if (rdev->has_uvd) {
6771 		r = uvd_v2_2_resume(rdev);
6772 		if (!r) {
6773 			r = radeon_fence_driver_start_ring(rdev,
6774 							   R600_RING_TYPE_UVD_INDEX);
6775 			if (r)
6776 				dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
6777 		}
6778 		if (r)
6779 			rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
6780 	}
6781 
6782 	/* Enable IRQ */
6783 	if (!rdev->irq.installed) {
6784 		r = radeon_irq_kms_init(rdev);
6785 		if (r)
6786 			return r;
6787 	}
6788 
6789 	r = si_irq_init(rdev);
6790 	if (r) {
6791 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
6792 		radeon_irq_kms_fini(rdev);
6793 		return r;
6794 	}
6795 	si_irq_set(rdev);
6796 
6797 	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
6798 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
6799 			     RADEON_CP_PACKET2);
6800 	if (r)
6801 		return r;
6802 
6803 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
6804 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP1_RPTR_OFFSET,
6805 			     RADEON_CP_PACKET2);
6806 	if (r)
6807 		return r;
6808 
6809 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
6810 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP2_RPTR_OFFSET,
6811 			     RADEON_CP_PACKET2);
6812 	if (r)
6813 		return r;
6814 
6815 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
6816 	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
6817 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0));
6818 	if (r)
6819 		return r;
6820 
6821 	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
6822 	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
6823 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0));
6824 	if (r)
6825 		return r;
6826 
6827 	r = si_cp_load_microcode(rdev);
6828 	if (r)
6829 		return r;
6830 	r = si_cp_resume(rdev);
6831 	if (r)
6832 		return r;
6833 
6834 	r = cayman_dma_resume(rdev);
6835 	if (r)
6836 		return r;
6837 
6838 	if (rdev->has_uvd) {
6839 		ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
6840 		if (ring->ring_size) {
6841 			r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
6842 					     RADEON_CP_PACKET2);
6843 			if (!r)
6844 				r = uvd_v1_0_init(rdev);
6845 			if (r)
6846 				DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
6847 		}
6848 	}
6849 
6850 	r = radeon_ib_pool_init(rdev);
6851 	if (r) {
6852 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
6853 		return r;
6854 	}
6855 
6856 	r = radeon_vm_manager_init(rdev);
6857 	if (r) {
6858 		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
6859 		return r;
6860 	}
6861 
6862 	r = dce6_audio_init(rdev);
6863 	if (r)
6864 		return r;
6865 
6866 	return 0;
6867 }
6868 
6869 int si_resume(struct radeon_device *rdev)
6870 {
6871 	int r;
6872 
6873 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
6874 	 * posting will perform necessary task to bring back GPU into good
6875 	 * shape.
6876 	 */
6877 	/* post card */
6878 	atom_asic_init(rdev->mode_info.atom_context);
6879 
6880 	/* init golden registers */
6881 	si_init_golden_registers(rdev);
6882 
6883 	if (rdev->pm.pm_method == PM_METHOD_DPM)
6884 		radeon_pm_resume(rdev);
6885 
6886 	rdev->accel_working = true;
6887 	r = si_startup(rdev);
6888 	if (r) {
6889 		DRM_ERROR("si startup failed on resume\n");
6890 		rdev->accel_working = false;
6891 		return r;
6892 	}
6893 
6894 	return r;
6895 
6896 }
6897 
6898 int si_suspend(struct radeon_device *rdev)
6899 {
6900 	radeon_pm_suspend(rdev);
6901 	dce6_audio_fini(rdev);
6902 	radeon_vm_manager_fini(rdev);
6903 	si_cp_enable(rdev, false);
6904 	cayman_dma_stop(rdev);
6905 	if (rdev->has_uvd) {
6906 		uvd_v1_0_fini(rdev);
6907 		radeon_uvd_suspend(rdev);
6908 	}
6909 	si_fini_pg(rdev);
6910 	si_fini_cg(rdev);
6911 	si_irq_suspend(rdev);
6912 	radeon_wb_disable(rdev);
6913 	si_pcie_gart_disable(rdev);
6914 	return 0;
6915 }
6916 
6917 /* Plan is to move initialization in that function and use
6918  * helper function so that radeon_device_init pretty much
6919  * do nothing more than calling asic specific function. This
6920  * should also allow to remove a bunch of callback function
6921  * like vram_info.
6922  */
6923 int si_init(struct radeon_device *rdev)
6924 {
6925 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
6926 	int r;
6927 
6928 	/* Read BIOS */
6929 	if (!radeon_get_bios(rdev)) {
6930 		if (ASIC_IS_AVIVO(rdev))
6931 			return -EINVAL;
6932 	}
6933 	/* Must be an ATOMBIOS */
6934 	if (!rdev->is_atom_bios) {
6935 		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
6936 		return -EINVAL;
6937 	}
6938 	r = radeon_atombios_init(rdev);
6939 	if (r)
6940 		return r;
6941 
6942 	/* Post card if necessary */
6943 	if (!radeon_card_posted(rdev)) {
6944 		if (!rdev->bios) {
6945 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
6946 			return -EINVAL;
6947 		}
6948 		DRM_INFO("GPU not posted. posting now...\n");
6949 		atom_asic_init(rdev->mode_info.atom_context);
6950 	}
6951 	/* init golden registers */
6952 	si_init_golden_registers(rdev);
6953 	/* Initialize scratch registers */
6954 	si_scratch_init(rdev);
6955 	/* Initialize surface registers */
6956 	radeon_surface_init(rdev);
6957 	/* Initialize clocks */
6958 	radeon_get_clock_info(rdev->ddev);
6959 
6960 	/* Fence driver */
6961 	r = radeon_fence_driver_init(rdev);
6962 	if (r)
6963 		return r;
6964 
6965 	/* initialize memory controller */
6966 	r = si_mc_init(rdev);
6967 	if (r)
6968 		return r;
6969 	/* Memory manager */
6970 	r = radeon_bo_init(rdev);
6971 	if (r)
6972 		return r;
6973 
6974 	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw ||
6975 	    !rdev->rlc_fw || !rdev->mc_fw) {
6976 		r = si_init_microcode(rdev);
6977 		if (r) {
6978 			DRM_ERROR("Failed to load firmware!\n");
6979 			return r;
6980 		}
6981 	}
6982 
6983 	/* Initialize power management */
6984 	radeon_pm_init(rdev);
6985 
6986 	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
6987 	ring->ring_obj = NULL;
6988 	r600_ring_init(rdev, ring, 1024 * 1024);
6989 
6990 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
6991 	ring->ring_obj = NULL;
6992 	r600_ring_init(rdev, ring, 1024 * 1024);
6993 
6994 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
6995 	ring->ring_obj = NULL;
6996 	r600_ring_init(rdev, ring, 1024 * 1024);
6997 
6998 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
6999 	ring->ring_obj = NULL;
7000 	r600_ring_init(rdev, ring, 64 * 1024);
7001 
7002 	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
7003 	ring->ring_obj = NULL;
7004 	r600_ring_init(rdev, ring, 64 * 1024);
7005 
7006 	if (rdev->has_uvd) {
7007 		r = radeon_uvd_init(rdev);
7008 		if (!r) {
7009 			ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
7010 			ring->ring_obj = NULL;
7011 			r600_ring_init(rdev, ring, 4096);
7012 		}
7013 	}
7014 
7015 	rdev->ih.ring_obj = NULL;
7016 	r600_ih_ring_init(rdev, 64 * 1024);
7017 
7018 	r = r600_pcie_gart_init(rdev);
7019 	if (r)
7020 		return r;
7021 
7022 	rdev->accel_working = true;
7023 	r = si_startup(rdev);
7024 	if (r) {
7025 		dev_err(rdev->dev, "disabling GPU acceleration\n");
7026 		si_cp_fini(rdev);
7027 		cayman_dma_fini(rdev);
7028 		si_irq_fini(rdev);
7029 		sumo_rlc_fini(rdev);
7030 		radeon_wb_fini(rdev);
7031 		radeon_ib_pool_fini(rdev);
7032 		radeon_vm_manager_fini(rdev);
7033 		radeon_irq_kms_fini(rdev);
7034 		si_pcie_gart_fini(rdev);
7035 		rdev->accel_working = false;
7036 	}
7037 
7038 	/* Don't start up if the MC ucode is missing.
7039 	 * The default clocks and voltages before the MC ucode
7040 	 * is loaded are not suffient for advanced operations.
7041 	 */
7042 	if (!rdev->mc_fw) {
7043 		DRM_ERROR("radeon: MC ucode required for NI+.\n");
7044 		return -EINVAL;
7045 	}
7046 
7047 	return 0;
7048 }
7049 
7050 void si_fini(struct radeon_device *rdev)
7051 {
7052 	radeon_pm_fini(rdev);
7053 	si_cp_fini(rdev);
7054 	cayman_dma_fini(rdev);
7055 	si_fini_pg(rdev);
7056 	si_fini_cg(rdev);
7057 	si_irq_fini(rdev);
7058 	sumo_rlc_fini(rdev);
7059 	radeon_wb_fini(rdev);
7060 	radeon_vm_manager_fini(rdev);
7061 	radeon_ib_pool_fini(rdev);
7062 	radeon_irq_kms_fini(rdev);
7063 	if (rdev->has_uvd) {
7064 		uvd_v1_0_fini(rdev);
7065 		radeon_uvd_fini(rdev);
7066 	}
7067 	si_pcie_gart_fini(rdev);
7068 	r600_vram_scratch_fini(rdev);
7069 	radeon_gem_fini(rdev);
7070 	radeon_fence_driver_fini(rdev);
7071 	radeon_bo_fini(rdev);
7072 	radeon_atombios_fini(rdev);
7073 	kfree(rdev->bios);
7074 	rdev->bios = NULL;
7075 }
7076 
7077 /**
7078  * si_get_gpu_clock_counter - return GPU clock counter snapshot
7079  *
7080  * @rdev: radeon_device pointer
7081  *
7082  * Fetches a GPU clock counter snapshot (SI).
7083  * Returns the 64 bit clock counter snapshot.
7084  */
7085 uint64_t si_get_gpu_clock_counter(struct radeon_device *rdev)
7086 {
7087 	uint64_t clock;
7088 
7089 	mutex_lock(&rdev->gpu_clock_mutex);
7090 	WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1);
7091 	clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) |
7092 	        ((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL);
7093 	mutex_unlock(&rdev->gpu_clock_mutex);
7094 	return clock;
7095 }
7096 
7097 int si_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
7098 {
7099 	unsigned fb_div = 0, vclk_div = 0, dclk_div = 0;
7100 	int r;
7101 
7102 	/* bypass vclk and dclk with bclk */
7103 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
7104 		VCLK_SRC_SEL(1) | DCLK_SRC_SEL(1),
7105 		~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
7106 
7107 	/* put PLL in bypass mode */
7108 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~UPLL_BYPASS_EN_MASK);
7109 
7110 	if (!vclk || !dclk) {
7111 		/* keep the Bypass mode, put PLL to sleep */
7112 		WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
7113 		return 0;
7114 	}
7115 
7116 	r = radeon_uvd_calc_upll_dividers(rdev, vclk, dclk, 125000, 250000,
7117 					  16384, 0x03FFFFFF, 0, 128, 5,
7118 					  &fb_div, &vclk_div, &dclk_div);
7119 	if (r)
7120 		return r;
7121 
7122 	/* set RESET_ANTI_MUX to 0 */
7123 	WREG32_P(CG_UPLL_FUNC_CNTL_5, 0, ~RESET_ANTI_MUX_MASK);
7124 
7125 	/* set VCO_MODE to 1 */
7126 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_VCO_MODE_MASK, ~UPLL_VCO_MODE_MASK);
7127 
7128 	/* toggle UPLL_SLEEP to 1 then back to 0 */
7129 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
7130 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_SLEEP_MASK);
7131 
7132 	/* deassert UPLL_RESET */
7133 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
7134 
7135 	mdelay(1);
7136 
7137 	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
7138 	if (r)
7139 		return r;
7140 
7141 	/* assert UPLL_RESET again */
7142 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_RESET_MASK, ~UPLL_RESET_MASK);
7143 
7144 	/* disable spread spectrum. */
7145 	WREG32_P(CG_UPLL_SPREAD_SPECTRUM, 0, ~SSEN_MASK);
7146 
7147 	/* set feedback divider */
7148 	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(fb_div), ~UPLL_FB_DIV_MASK);
7149 
7150 	/* set ref divider to 0 */
7151 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_REF_DIV_MASK);
7152 
7153 	if (fb_div < 307200)
7154 		WREG32_P(CG_UPLL_FUNC_CNTL_4, 0, ~UPLL_SPARE_ISPARE9);
7155 	else
7156 		WREG32_P(CG_UPLL_FUNC_CNTL_4, UPLL_SPARE_ISPARE9, ~UPLL_SPARE_ISPARE9);
7157 
7158 	/* set PDIV_A and PDIV_B */
7159 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
7160 		UPLL_PDIV_A(vclk_div) | UPLL_PDIV_B(dclk_div),
7161 		~(UPLL_PDIV_A_MASK | UPLL_PDIV_B_MASK));
7162 
7163 	/* give the PLL some time to settle */
7164 	mdelay(15);
7165 
7166 	/* deassert PLL_RESET */
7167 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
7168 
7169 	mdelay(15);
7170 
7171 	/* switch from bypass mode to normal mode */
7172 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_BYPASS_EN_MASK);
7173 
7174 	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
7175 	if (r)
7176 		return r;
7177 
7178 	/* switch VCLK and DCLK selection */
7179 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
7180 		VCLK_SRC_SEL(2) | DCLK_SRC_SEL(2),
7181 		~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
7182 
7183 	mdelay(100);
7184 
7185 	return 0;
7186 }
7187 
7188 static void si_pcie_gen3_enable(struct radeon_device *rdev)
7189 {
7190 	struct pci_dev *root = rdev->pdev->bus->self;
7191 	int bridge_pos, gpu_pos;
7192 	u32 speed_cntl, mask, current_data_rate;
7193 	int ret, i;
7194 	u16 tmp16;
7195 
7196 	if (pci_is_root_bus(rdev->pdev->bus))
7197 		return;
7198 
7199 	if (radeon_pcie_gen2 == 0)
7200 		return;
7201 
7202 	if (rdev->flags & RADEON_IS_IGP)
7203 		return;
7204 
7205 	if (!(rdev->flags & RADEON_IS_PCIE))
7206 		return;
7207 
7208 	ret = drm_pcie_get_speed_cap_mask(rdev->ddev, &mask);
7209 	if (ret != 0)
7210 		return;
7211 
7212 	if (!(mask & (DRM_PCIE_SPEED_50 | DRM_PCIE_SPEED_80)))
7213 		return;
7214 
7215 	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
7216 	current_data_rate = (speed_cntl & LC_CURRENT_DATA_RATE_MASK) >>
7217 		LC_CURRENT_DATA_RATE_SHIFT;
7218 	if (mask & DRM_PCIE_SPEED_80) {
7219 		if (current_data_rate == 2) {
7220 			DRM_INFO("PCIE gen 3 link speeds already enabled\n");
7221 			return;
7222 		}
7223 		DRM_INFO("enabling PCIE gen 3 link speeds, disable with radeon.pcie_gen2=0\n");
7224 	} else if (mask & DRM_PCIE_SPEED_50) {
7225 		if (current_data_rate == 1) {
7226 			DRM_INFO("PCIE gen 2 link speeds already enabled\n");
7227 			return;
7228 		}
7229 		DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
7230 	}
7231 
7232 	bridge_pos = pci_pcie_cap(root);
7233 	if (!bridge_pos)
7234 		return;
7235 
7236 	gpu_pos = pci_pcie_cap(rdev->pdev);
7237 	if (!gpu_pos)
7238 		return;
7239 
7240 	if (mask & DRM_PCIE_SPEED_80) {
7241 		/* re-try equalization if gen3 is not already enabled */
7242 		if (current_data_rate != 2) {
7243 			u16 bridge_cfg, gpu_cfg;
7244 			u16 bridge_cfg2, gpu_cfg2;
7245 			u32 max_lw, current_lw, tmp;
7246 
7247 			pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &bridge_cfg);
7248 			pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, &gpu_cfg);
7249 
7250 			tmp16 = bridge_cfg | PCI_EXP_LNKCTL_HAWD;
7251 			pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL, tmp16);
7252 
7253 			tmp16 = gpu_cfg | PCI_EXP_LNKCTL_HAWD;
7254 			pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, tmp16);
7255 
7256 			tmp = RREG32_PCIE(PCIE_LC_STATUS1);
7257 			max_lw = (tmp & LC_DETECTED_LINK_WIDTH_MASK) >> LC_DETECTED_LINK_WIDTH_SHIFT;
7258 			current_lw = (tmp & LC_OPERATING_LINK_WIDTH_MASK) >> LC_OPERATING_LINK_WIDTH_SHIFT;
7259 
7260 			if (current_lw < max_lw) {
7261 				tmp = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
7262 				if (tmp & LC_RENEGOTIATION_SUPPORT) {
7263 					tmp &= ~(LC_LINK_WIDTH_MASK | LC_UPCONFIGURE_DIS);
7264 					tmp |= (max_lw << LC_LINK_WIDTH_SHIFT);
7265 					tmp |= LC_UPCONFIGURE_SUPPORT | LC_RENEGOTIATE_EN | LC_RECONFIG_NOW;
7266 					WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, tmp);
7267 				}
7268 			}
7269 
7270 			for (i = 0; i < 10; i++) {
7271 				/* check status */
7272 				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_DEVSTA, &tmp16);
7273 				if (tmp16 & PCI_EXP_DEVSTA_TRPND)
7274 					break;
7275 
7276 				pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &bridge_cfg);
7277 				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, &gpu_cfg);
7278 
7279 				pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, &bridge_cfg2);
7280 				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &gpu_cfg2);
7281 
7282 				tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL4);
7283 				tmp |= LC_SET_QUIESCE;
7284 				WREG32_PCIE_PORT(PCIE_LC_CNTL4, tmp);
7285 
7286 				tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL4);
7287 				tmp |= LC_REDO_EQ;
7288 				WREG32_PCIE_PORT(PCIE_LC_CNTL4, tmp);
7289 
7290 				mdelay(100);
7291 
7292 				/* linkctl */
7293 				pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &tmp16);
7294 				tmp16 &= ~PCI_EXP_LNKCTL_HAWD;
7295 				tmp16 |= (bridge_cfg & PCI_EXP_LNKCTL_HAWD);
7296 				pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL, tmp16);
7297 
7298 				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, &tmp16);
7299 				tmp16 &= ~PCI_EXP_LNKCTL_HAWD;
7300 				tmp16 |= (gpu_cfg & PCI_EXP_LNKCTL_HAWD);
7301 				pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, tmp16);
7302 
7303 				/* linkctl2 */
7304 				pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, &tmp16);
7305 				tmp16 &= ~((1 << 4) | (7 << 9));
7306 				tmp16 |= (bridge_cfg2 & ((1 << 4) | (7 << 9)));
7307 				pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, tmp16);
7308 
7309 				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &tmp16);
7310 				tmp16 &= ~((1 << 4) | (7 << 9));
7311 				tmp16 |= (gpu_cfg2 & ((1 << 4) | (7 << 9)));
7312 				pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, tmp16);
7313 
7314 				tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL4);
7315 				tmp &= ~LC_SET_QUIESCE;
7316 				WREG32_PCIE_PORT(PCIE_LC_CNTL4, tmp);
7317 			}
7318 		}
7319 	}
7320 
7321 	/* set the link speed */
7322 	speed_cntl |= LC_FORCE_EN_SW_SPEED_CHANGE | LC_FORCE_DIS_HW_SPEED_CHANGE;
7323 	speed_cntl &= ~LC_FORCE_DIS_SW_SPEED_CHANGE;
7324 	WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
7325 
7326 	pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &tmp16);
7327 	tmp16 &= ~0xf;
7328 	if (mask & DRM_PCIE_SPEED_80)
7329 		tmp16 |= 3; /* gen3 */
7330 	else if (mask & DRM_PCIE_SPEED_50)
7331 		tmp16 |= 2; /* gen2 */
7332 	else
7333 		tmp16 |= 1; /* gen1 */
7334 	pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, tmp16);
7335 
7336 	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
7337 	speed_cntl |= LC_INITIATE_LINK_SPEED_CHANGE;
7338 	WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
7339 
7340 	for (i = 0; i < rdev->usec_timeout; i++) {
7341 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
7342 		if ((speed_cntl & LC_INITIATE_LINK_SPEED_CHANGE) == 0)
7343 			break;
7344 		udelay(1);
7345 	}
7346 }
7347 
7348 static void si_program_aspm(struct radeon_device *rdev)
7349 {
7350 	u32 data, orig;
7351 	bool disable_l0s = false, disable_l1 = false, disable_plloff_in_l1 = false;
7352 	bool disable_clkreq = false;
7353 
7354 	if (radeon_aspm == 0)
7355 		return;
7356 
7357 	if (!(rdev->flags & RADEON_IS_PCIE))
7358 		return;
7359 
7360 	orig = data = RREG32_PCIE_PORT(PCIE_LC_N_FTS_CNTL);
7361 	data &= ~LC_XMIT_N_FTS_MASK;
7362 	data |= LC_XMIT_N_FTS(0x24) | LC_XMIT_N_FTS_OVERRIDE_EN;
7363 	if (orig != data)
7364 		WREG32_PCIE_PORT(PCIE_LC_N_FTS_CNTL, data);
7365 
7366 	orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL3);
7367 	data |= LC_GO_TO_RECOVERY;
7368 	if (orig != data)
7369 		WREG32_PCIE_PORT(PCIE_LC_CNTL3, data);
7370 
7371 	orig = data = RREG32_PCIE(PCIE_P_CNTL);
7372 	data |= P_IGNORE_EDB_ERR;
7373 	if (orig != data)
7374 		WREG32_PCIE(PCIE_P_CNTL, data);
7375 
7376 	orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL);
7377 	data &= ~(LC_L0S_INACTIVITY_MASK | LC_L1_INACTIVITY_MASK);
7378 	data |= LC_PMI_TO_L1_DIS;
7379 	if (!disable_l0s)
7380 		data |= LC_L0S_INACTIVITY(7);
7381 
7382 	if (!disable_l1) {
7383 		data |= LC_L1_INACTIVITY(7);
7384 		data &= ~LC_PMI_TO_L1_DIS;
7385 		if (orig != data)
7386 			WREG32_PCIE_PORT(PCIE_LC_CNTL, data);
7387 
7388 		if (!disable_plloff_in_l1) {
7389 			bool clk_req_support;
7390 
7391 			orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0);
7392 			data &= ~(PLL_POWER_STATE_IN_OFF_0_MASK | PLL_POWER_STATE_IN_TXS2_0_MASK);
7393 			data |= PLL_POWER_STATE_IN_OFF_0(7) | PLL_POWER_STATE_IN_TXS2_0(7);
7394 			if (orig != data)
7395 				WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0, data);
7396 
7397 			orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1);
7398 			data &= ~(PLL_POWER_STATE_IN_OFF_1_MASK | PLL_POWER_STATE_IN_TXS2_1_MASK);
7399 			data |= PLL_POWER_STATE_IN_OFF_1(7) | PLL_POWER_STATE_IN_TXS2_1(7);
7400 			if (orig != data)
7401 				WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1, data);
7402 
7403 			orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0);
7404 			data &= ~(PLL_POWER_STATE_IN_OFF_0_MASK | PLL_POWER_STATE_IN_TXS2_0_MASK);
7405 			data |= PLL_POWER_STATE_IN_OFF_0(7) | PLL_POWER_STATE_IN_TXS2_0(7);
7406 			if (orig != data)
7407 				WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0, data);
7408 
7409 			orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1);
7410 			data &= ~(PLL_POWER_STATE_IN_OFF_1_MASK | PLL_POWER_STATE_IN_TXS2_1_MASK);
7411 			data |= PLL_POWER_STATE_IN_OFF_1(7) | PLL_POWER_STATE_IN_TXS2_1(7);
7412 			if (orig != data)
7413 				WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1, data);
7414 
7415 			if ((rdev->family != CHIP_OLAND) && (rdev->family != CHIP_HAINAN)) {
7416 				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0);
7417 				data &= ~PLL_RAMP_UP_TIME_0_MASK;
7418 				if (orig != data)
7419 					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0, data);
7420 
7421 				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1);
7422 				data &= ~PLL_RAMP_UP_TIME_1_MASK;
7423 				if (orig != data)
7424 					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1, data);
7425 
7426 				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_2);
7427 				data &= ~PLL_RAMP_UP_TIME_2_MASK;
7428 				if (orig != data)
7429 					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_2, data);
7430 
7431 				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_3);
7432 				data &= ~PLL_RAMP_UP_TIME_3_MASK;
7433 				if (orig != data)
7434 					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_3, data);
7435 
7436 				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0);
7437 				data &= ~PLL_RAMP_UP_TIME_0_MASK;
7438 				if (orig != data)
7439 					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0, data);
7440 
7441 				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1);
7442 				data &= ~PLL_RAMP_UP_TIME_1_MASK;
7443 				if (orig != data)
7444 					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1, data);
7445 
7446 				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_2);
7447 				data &= ~PLL_RAMP_UP_TIME_2_MASK;
7448 				if (orig != data)
7449 					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_2, data);
7450 
7451 				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_3);
7452 				data &= ~PLL_RAMP_UP_TIME_3_MASK;
7453 				if (orig != data)
7454 					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_3, data);
7455 			}
7456 			orig = data = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
7457 			data &= ~LC_DYN_LANES_PWR_STATE_MASK;
7458 			data |= LC_DYN_LANES_PWR_STATE(3);
7459 			if (orig != data)
7460 				WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, data);
7461 
7462 			orig = data = RREG32_PIF_PHY0(PB0_PIF_CNTL);
7463 			data &= ~LS2_EXIT_TIME_MASK;
7464 			if ((rdev->family == CHIP_OLAND) || (rdev->family == CHIP_HAINAN))
7465 				data |= LS2_EXIT_TIME(5);
7466 			if (orig != data)
7467 				WREG32_PIF_PHY0(PB0_PIF_CNTL, data);
7468 
7469 			orig = data = RREG32_PIF_PHY1(PB1_PIF_CNTL);
7470 			data &= ~LS2_EXIT_TIME_MASK;
7471 			if ((rdev->family == CHIP_OLAND) || (rdev->family == CHIP_HAINAN))
7472 				data |= LS2_EXIT_TIME(5);
7473 			if (orig != data)
7474 				WREG32_PIF_PHY1(PB1_PIF_CNTL, data);
7475 
7476 			if (!disable_clkreq &&
7477 			    !pci_is_root_bus(rdev->pdev->bus)) {
7478 				struct pci_dev *root = rdev->pdev->bus->self;
7479 				u32 lnkcap;
7480 
7481 				clk_req_support = false;
7482 				pcie_capability_read_dword(root, PCI_EXP_LNKCAP, &lnkcap);
7483 				if (lnkcap & PCI_EXP_LNKCAP_CLKPM)
7484 					clk_req_support = true;
7485 			} else {
7486 				clk_req_support = false;
7487 			}
7488 
7489 			if (clk_req_support) {
7490 				orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL2);
7491 				data |= LC_ALLOW_PDWN_IN_L1 | LC_ALLOW_PDWN_IN_L23;
7492 				if (orig != data)
7493 					WREG32_PCIE_PORT(PCIE_LC_CNTL2, data);
7494 
7495 				orig = data = RREG32(THM_CLK_CNTL);
7496 				data &= ~(CMON_CLK_SEL_MASK | TMON_CLK_SEL_MASK);
7497 				data |= CMON_CLK_SEL(1) | TMON_CLK_SEL(1);
7498 				if (orig != data)
7499 					WREG32(THM_CLK_CNTL, data);
7500 
7501 				orig = data = RREG32(MISC_CLK_CNTL);
7502 				data &= ~(DEEP_SLEEP_CLK_SEL_MASK | ZCLK_SEL_MASK);
7503 				data |= DEEP_SLEEP_CLK_SEL(1) | ZCLK_SEL(1);
7504 				if (orig != data)
7505 					WREG32(MISC_CLK_CNTL, data);
7506 
7507 				orig = data = RREG32(CG_CLKPIN_CNTL);
7508 				data &= ~BCLK_AS_XCLK;
7509 				if (orig != data)
7510 					WREG32(CG_CLKPIN_CNTL, data);
7511 
7512 				orig = data = RREG32(CG_CLKPIN_CNTL_2);
7513 				data &= ~FORCE_BIF_REFCLK_EN;
7514 				if (orig != data)
7515 					WREG32(CG_CLKPIN_CNTL_2, data);
7516 
7517 				orig = data = RREG32(MPLL_BYPASSCLK_SEL);
7518 				data &= ~MPLL_CLKOUT_SEL_MASK;
7519 				data |= MPLL_CLKOUT_SEL(4);
7520 				if (orig != data)
7521 					WREG32(MPLL_BYPASSCLK_SEL, data);
7522 
7523 				orig = data = RREG32(SPLL_CNTL_MODE);
7524 				data &= ~SPLL_REFCLK_SEL_MASK;
7525 				if (orig != data)
7526 					WREG32(SPLL_CNTL_MODE, data);
7527 			}
7528 		}
7529 	} else {
7530 		if (orig != data)
7531 			WREG32_PCIE_PORT(PCIE_LC_CNTL, data);
7532 	}
7533 
7534 	orig = data = RREG32_PCIE(PCIE_CNTL2);
7535 	data |= SLV_MEM_LS_EN | MST_MEM_LS_EN | REPLAY_MEM_LS_EN;
7536 	if (orig != data)
7537 		WREG32_PCIE(PCIE_CNTL2, data);
7538 
7539 	if (!disable_l0s) {
7540 		data = RREG32_PCIE_PORT(PCIE_LC_N_FTS_CNTL);
7541 		if((data & LC_N_FTS_MASK) == LC_N_FTS_MASK) {
7542 			data = RREG32_PCIE(PCIE_LC_STATUS1);
7543 			if ((data & LC_REVERSE_XMIT) && (data & LC_REVERSE_RCVR)) {
7544 				orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL);
7545 				data &= ~LC_L0S_INACTIVITY_MASK;
7546 				if (orig != data)
7547 					WREG32_PCIE_PORT(PCIE_LC_CNTL, data);
7548 			}
7549 		}
7550 	}
7551 }
7552