xref: /openbmc/linux/drivers/gpu/drm/radeon/si.c (revision 275876e2)
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 	radeon_update_display_priority(rdev);
2388 
2389 	for (i = 0; i < rdev->num_crtc; i++) {
2390 		if (rdev->mode_info.crtcs[i]->base.enabled)
2391 			num_heads++;
2392 	}
2393 	for (i = 0; i < rdev->num_crtc; i += 2) {
2394 		mode0 = &rdev->mode_info.crtcs[i]->base.mode;
2395 		mode1 = &rdev->mode_info.crtcs[i+1]->base.mode;
2396 		lb_size = dce6_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i], mode0, mode1);
2397 		dce6_program_watermarks(rdev, rdev->mode_info.crtcs[i], lb_size, num_heads);
2398 		lb_size = dce6_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i+1], mode1, mode0);
2399 		dce6_program_watermarks(rdev, rdev->mode_info.crtcs[i+1], lb_size, num_heads);
2400 	}
2401 }
2402 
2403 /*
2404  * Core functions
2405  */
2406 static void si_tiling_mode_table_init(struct radeon_device *rdev)
2407 {
2408 	const u32 num_tile_mode_states = 32;
2409 	u32 reg_offset, gb_tile_moden, split_equal_to_row_size;
2410 
2411 	switch (rdev->config.si.mem_row_size_in_kb) {
2412 	case 1:
2413 		split_equal_to_row_size = ADDR_SURF_TILE_SPLIT_1KB;
2414 		break;
2415 	case 2:
2416 	default:
2417 		split_equal_to_row_size = ADDR_SURF_TILE_SPLIT_2KB;
2418 		break;
2419 	case 4:
2420 		split_equal_to_row_size = ADDR_SURF_TILE_SPLIT_4KB;
2421 		break;
2422 	}
2423 
2424 	if ((rdev->family == CHIP_TAHITI) ||
2425 	    (rdev->family == CHIP_PITCAIRN)) {
2426 		for (reg_offset = 0; reg_offset < num_tile_mode_states; reg_offset++) {
2427 			switch (reg_offset) {
2428 			case 0:  /* non-AA compressed depth or any compressed stencil */
2429 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2430 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2431 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2432 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2433 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2434 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2435 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2436 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2437 				break;
2438 			case 1:  /* 2xAA/4xAA compressed depth only */
2439 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2440 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2441 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2442 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
2443 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2444 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2445 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2446 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2447 				break;
2448 			case 2:  /* 8xAA compressed depth only */
2449 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2450 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2451 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2452 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2453 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2454 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2455 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2456 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2457 				break;
2458 			case 3:  /* 2xAA/4xAA compressed depth with stencil (for depth buffer) */
2459 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2460 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2461 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2462 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
2463 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2464 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2465 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2466 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2467 				break;
2468 			case 4:  /* Maps w/ a dimension less than the 2D macro-tile dimensions (for mipmapped depth textures) */
2469 				gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2470 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2471 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2472 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2473 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2474 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2475 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2476 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2477 				break;
2478 			case 5:  /* Uncompressed 16bpp depth - and stencil buffer allocated with it */
2479 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2480 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2481 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2482 						 TILE_SPLIT(split_equal_to_row_size) |
2483 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2484 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2485 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2486 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2487 				break;
2488 			case 6:  /* Uncompressed 32bpp depth - and stencil buffer allocated with it */
2489 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2490 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2491 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2492 						 TILE_SPLIT(split_equal_to_row_size) |
2493 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2494 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2495 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2496 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2497 				break;
2498 			case 7:  /* Uncompressed 8bpp stencil without depth (drivers typically do not use) */
2499 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2500 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2501 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2502 						 TILE_SPLIT(split_equal_to_row_size) |
2503 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2504 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2505 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2506 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2507 				break;
2508 			case 8:  /* 1D and 1D Array Surfaces */
2509 				gb_tile_moden = (ARRAY_MODE(ARRAY_LINEAR_ALIGNED) |
2510 						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2511 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2512 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2513 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2514 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2515 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2516 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2517 				break;
2518 			case 9:  /* Displayable maps. */
2519 				gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2520 						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2521 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2522 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2523 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2524 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2525 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2526 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2527 				break;
2528 			case 10:  /* Display 8bpp. */
2529 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2530 						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2531 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2532 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2533 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2534 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2535 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2536 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2537 				break;
2538 			case 11:  /* Display 16bpp. */
2539 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2540 						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2541 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2542 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2543 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2544 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2545 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2546 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2547 				break;
2548 			case 12:  /* Display 32bpp. */
2549 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2550 						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2551 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2552 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2553 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2554 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2555 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2556 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2557 				break;
2558 			case 13:  /* Thin. */
2559 				gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2560 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2561 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2562 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2563 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2564 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2565 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2566 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2567 				break;
2568 			case 14:  /* Thin 8 bpp. */
2569 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2570 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2571 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2572 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2573 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2574 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2575 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2576 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2577 				break;
2578 			case 15:  /* Thin 16 bpp. */
2579 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2580 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2581 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2582 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2583 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2584 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2585 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2586 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2587 				break;
2588 			case 16:  /* Thin 32 bpp. */
2589 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2590 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2591 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2592 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2593 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2594 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2595 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2596 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2597 				break;
2598 			case 17:  /* Thin 64 bpp. */
2599 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2600 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2601 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2602 						 TILE_SPLIT(split_equal_to_row_size) |
2603 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2604 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2605 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2606 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2607 				break;
2608 			case 21:  /* 8 bpp PRT. */
2609 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2610 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2611 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2612 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2613 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2614 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_2) |
2615 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2616 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2617 				break;
2618 			case 22:  /* 16 bpp PRT */
2619 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2620 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2621 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2622 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2623 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2624 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2625 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2626 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2627 				break;
2628 			case 23:  /* 32 bpp PRT */
2629 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2630 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2631 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2632 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2633 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2634 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2635 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2636 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2637 				break;
2638 			case 24:  /* 64 bpp PRT */
2639 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2640 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2641 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2642 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2643 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2644 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2645 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2646 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2647 				break;
2648 			case 25:  /* 128 bpp PRT */
2649 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2650 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2651 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2652 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_1KB) |
2653 						 NUM_BANKS(ADDR_SURF_8_BANK) |
2654 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2655 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2656 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2657 				break;
2658 			default:
2659 				gb_tile_moden = 0;
2660 				break;
2661 			}
2662 			rdev->config.si.tile_mode_array[reg_offset] = gb_tile_moden;
2663 			WREG32(GB_TILE_MODE0 + (reg_offset * 4), gb_tile_moden);
2664 		}
2665 	} else if ((rdev->family == CHIP_VERDE) ||
2666 		   (rdev->family == CHIP_OLAND) ||
2667 		   (rdev->family == CHIP_HAINAN)) {
2668 		for (reg_offset = 0; reg_offset < num_tile_mode_states; reg_offset++) {
2669 			switch (reg_offset) {
2670 			case 0:  /* non-AA compressed depth or any compressed stencil */
2671 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2672 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2673 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2674 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2675 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2676 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2677 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2678 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2679 				break;
2680 			case 1:  /* 2xAA/4xAA compressed depth only */
2681 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2682 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2683 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2684 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
2685 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2686 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2687 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2688 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2689 				break;
2690 			case 2:  /* 8xAA compressed depth only */
2691 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2692 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2693 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2694 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2695 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2696 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2697 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2698 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2699 				break;
2700 			case 3:  /* 2xAA/4xAA compressed depth with stencil (for depth buffer) */
2701 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2702 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2703 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2704 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_128B) |
2705 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2706 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2707 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2708 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2709 				break;
2710 			case 4:  /* Maps w/ a dimension less than the 2D macro-tile dimensions (for mipmapped depth textures) */
2711 				gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2712 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2713 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2714 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2715 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2716 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2717 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2718 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2719 				break;
2720 			case 5:  /* Uncompressed 16bpp depth - and stencil buffer allocated with it */
2721 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2722 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2723 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2724 						 TILE_SPLIT(split_equal_to_row_size) |
2725 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2726 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2727 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2728 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2729 				break;
2730 			case 6:  /* Uncompressed 32bpp depth - and stencil buffer allocated with it */
2731 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2732 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2733 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2734 						 TILE_SPLIT(split_equal_to_row_size) |
2735 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2736 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2737 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2738 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2739 				break;
2740 			case 7:  /* Uncompressed 8bpp stencil without depth (drivers typically do not use) */
2741 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2742 						 MICRO_TILE_MODE(ADDR_SURF_DEPTH_MICRO_TILING) |
2743 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2744 						 TILE_SPLIT(split_equal_to_row_size) |
2745 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2746 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2747 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2748 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2749 				break;
2750 			case 8:  /* 1D and 1D Array Surfaces */
2751 				gb_tile_moden = (ARRAY_MODE(ARRAY_LINEAR_ALIGNED) |
2752 						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2753 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2754 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2755 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2756 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2757 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2758 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2759 				break;
2760 			case 9:  /* Displayable maps. */
2761 				gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2762 						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2763 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2764 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2765 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2766 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2767 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2768 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2769 				break;
2770 			case 10:  /* Display 8bpp. */
2771 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2772 						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2773 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2774 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2775 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2776 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2777 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2778 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2779 				break;
2780 			case 11:  /* Display 16bpp. */
2781 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2782 						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2783 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2784 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2785 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2786 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2787 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2788 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2789 				break;
2790 			case 12:  /* Display 32bpp. */
2791 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2792 						 MICRO_TILE_MODE(ADDR_SURF_DISPLAY_MICRO_TILING) |
2793 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2794 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2795 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2796 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2797 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2798 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2799 				break;
2800 			case 13:  /* Thin. */
2801 				gb_tile_moden = (ARRAY_MODE(ARRAY_1D_TILED_THIN1) |
2802 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2803 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2804 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_64B) |
2805 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2806 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2807 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2808 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2809 				break;
2810 			case 14:  /* Thin 8 bpp. */
2811 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2812 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2813 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2814 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2815 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2816 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2817 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2818 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2819 				break;
2820 			case 15:  /* Thin 16 bpp. */
2821 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2822 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2823 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2824 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2825 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2826 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2827 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2828 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2829 				break;
2830 			case 16:  /* Thin 32 bpp. */
2831 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2832 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2833 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2834 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2835 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2836 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2837 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2838 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2839 				break;
2840 			case 17:  /* Thin 64 bpp. */
2841 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2842 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2843 						 PIPE_CONFIG(ADDR_SURF_P4_8x16) |
2844 						 TILE_SPLIT(split_equal_to_row_size) |
2845 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2846 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2847 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2848 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2849 				break;
2850 			case 21:  /* 8 bpp PRT. */
2851 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2852 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2853 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2854 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2855 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2856 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_2) |
2857 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2858 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2859 				break;
2860 			case 22:  /* 16 bpp PRT */
2861 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2862 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2863 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2864 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2865 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2866 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2867 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_4) |
2868 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_4));
2869 				break;
2870 			case 23:  /* 32 bpp PRT */
2871 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2872 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2873 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2874 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_256B) |
2875 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2876 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2877 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_2) |
2878 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2879 				break;
2880 			case 24:  /* 64 bpp PRT */
2881 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2882 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2883 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2884 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_512B) |
2885 						 NUM_BANKS(ADDR_SURF_16_BANK) |
2886 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2887 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2888 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_2));
2889 				break;
2890 			case 25:  /* 128 bpp PRT */
2891 				gb_tile_moden = (ARRAY_MODE(ARRAY_2D_TILED_THIN1) |
2892 						 MICRO_TILE_MODE(ADDR_SURF_THIN_MICRO_TILING) |
2893 						 PIPE_CONFIG(ADDR_SURF_P8_32x32_8x16) |
2894 						 TILE_SPLIT(ADDR_SURF_TILE_SPLIT_1KB) |
2895 						 NUM_BANKS(ADDR_SURF_8_BANK) |
2896 						 BANK_WIDTH(ADDR_SURF_BANK_WIDTH_1) |
2897 						 BANK_HEIGHT(ADDR_SURF_BANK_HEIGHT_1) |
2898 						 MACRO_TILE_ASPECT(ADDR_SURF_MACRO_ASPECT_1));
2899 				break;
2900 			default:
2901 				gb_tile_moden = 0;
2902 				break;
2903 			}
2904 			rdev->config.si.tile_mode_array[reg_offset] = gb_tile_moden;
2905 			WREG32(GB_TILE_MODE0 + (reg_offset * 4), gb_tile_moden);
2906 		}
2907 	} else
2908 		DRM_ERROR("unknown asic: 0x%x\n", rdev->family);
2909 }
2910 
2911 static void si_select_se_sh(struct radeon_device *rdev,
2912 			    u32 se_num, u32 sh_num)
2913 {
2914 	u32 data = INSTANCE_BROADCAST_WRITES;
2915 
2916 	if ((se_num == 0xffffffff) && (sh_num == 0xffffffff))
2917 		data |= SH_BROADCAST_WRITES | SE_BROADCAST_WRITES;
2918 	else if (se_num == 0xffffffff)
2919 		data |= SE_BROADCAST_WRITES | SH_INDEX(sh_num);
2920 	else if (sh_num == 0xffffffff)
2921 		data |= SH_BROADCAST_WRITES | SE_INDEX(se_num);
2922 	else
2923 		data |= SH_INDEX(sh_num) | SE_INDEX(se_num);
2924 	WREG32(GRBM_GFX_INDEX, data);
2925 }
2926 
2927 static u32 si_create_bitmask(u32 bit_width)
2928 {
2929 	u32 i, mask = 0;
2930 
2931 	for (i = 0; i < bit_width; i++) {
2932 		mask <<= 1;
2933 		mask |= 1;
2934 	}
2935 	return mask;
2936 }
2937 
2938 static u32 si_get_cu_enabled(struct radeon_device *rdev, u32 cu_per_sh)
2939 {
2940 	u32 data, mask;
2941 
2942 	data = RREG32(CC_GC_SHADER_ARRAY_CONFIG);
2943 	if (data & 1)
2944 		data &= INACTIVE_CUS_MASK;
2945 	else
2946 		data = 0;
2947 	data |= RREG32(GC_USER_SHADER_ARRAY_CONFIG);
2948 
2949 	data >>= INACTIVE_CUS_SHIFT;
2950 
2951 	mask = si_create_bitmask(cu_per_sh);
2952 
2953 	return ~data & mask;
2954 }
2955 
2956 static void si_setup_spi(struct radeon_device *rdev,
2957 			 u32 se_num, u32 sh_per_se,
2958 			 u32 cu_per_sh)
2959 {
2960 	int i, j, k;
2961 	u32 data, mask, active_cu;
2962 
2963 	for (i = 0; i < se_num; i++) {
2964 		for (j = 0; j < sh_per_se; j++) {
2965 			si_select_se_sh(rdev, i, j);
2966 			data = RREG32(SPI_STATIC_THREAD_MGMT_3);
2967 			active_cu = si_get_cu_enabled(rdev, cu_per_sh);
2968 
2969 			mask = 1;
2970 			for (k = 0; k < 16; k++) {
2971 				mask <<= k;
2972 				if (active_cu & mask) {
2973 					data &= ~mask;
2974 					WREG32(SPI_STATIC_THREAD_MGMT_3, data);
2975 					break;
2976 				}
2977 			}
2978 		}
2979 	}
2980 	si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
2981 }
2982 
2983 static u32 si_get_rb_disabled(struct radeon_device *rdev,
2984 			      u32 max_rb_num_per_se,
2985 			      u32 sh_per_se)
2986 {
2987 	u32 data, mask;
2988 
2989 	data = RREG32(CC_RB_BACKEND_DISABLE);
2990 	if (data & 1)
2991 		data &= BACKEND_DISABLE_MASK;
2992 	else
2993 		data = 0;
2994 	data |= RREG32(GC_USER_RB_BACKEND_DISABLE);
2995 
2996 	data >>= BACKEND_DISABLE_SHIFT;
2997 
2998 	mask = si_create_bitmask(max_rb_num_per_se / sh_per_se);
2999 
3000 	return data & mask;
3001 }
3002 
3003 static void si_setup_rb(struct radeon_device *rdev,
3004 			u32 se_num, u32 sh_per_se,
3005 			u32 max_rb_num_per_se)
3006 {
3007 	int i, j;
3008 	u32 data, mask;
3009 	u32 disabled_rbs = 0;
3010 	u32 enabled_rbs = 0;
3011 
3012 	for (i = 0; i < se_num; i++) {
3013 		for (j = 0; j < sh_per_se; j++) {
3014 			si_select_se_sh(rdev, i, j);
3015 			data = si_get_rb_disabled(rdev, max_rb_num_per_se, sh_per_se);
3016 			disabled_rbs |= data << ((i * sh_per_se + j) * TAHITI_RB_BITMAP_WIDTH_PER_SH);
3017 		}
3018 	}
3019 	si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
3020 
3021 	mask = 1;
3022 	for (i = 0; i < max_rb_num_per_se * se_num; i++) {
3023 		if (!(disabled_rbs & mask))
3024 			enabled_rbs |= mask;
3025 		mask <<= 1;
3026 	}
3027 
3028 	rdev->config.si.backend_enable_mask = enabled_rbs;
3029 
3030 	for (i = 0; i < se_num; i++) {
3031 		si_select_se_sh(rdev, i, 0xffffffff);
3032 		data = 0;
3033 		for (j = 0; j < sh_per_se; j++) {
3034 			switch (enabled_rbs & 3) {
3035 			case 1:
3036 				data |= (RASTER_CONFIG_RB_MAP_0 << (i * sh_per_se + j) * 2);
3037 				break;
3038 			case 2:
3039 				data |= (RASTER_CONFIG_RB_MAP_3 << (i * sh_per_se + j) * 2);
3040 				break;
3041 			case 3:
3042 			default:
3043 				data |= (RASTER_CONFIG_RB_MAP_2 << (i * sh_per_se + j) * 2);
3044 				break;
3045 			}
3046 			enabled_rbs >>= 2;
3047 		}
3048 		WREG32(PA_SC_RASTER_CONFIG, data);
3049 	}
3050 	si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
3051 }
3052 
3053 static void si_gpu_init(struct radeon_device *rdev)
3054 {
3055 	u32 gb_addr_config = 0;
3056 	u32 mc_shared_chmap, mc_arb_ramcfg;
3057 	u32 sx_debug_1;
3058 	u32 hdp_host_path_cntl;
3059 	u32 tmp;
3060 	int i, j, k;
3061 
3062 	switch (rdev->family) {
3063 	case CHIP_TAHITI:
3064 		rdev->config.si.max_shader_engines = 2;
3065 		rdev->config.si.max_tile_pipes = 12;
3066 		rdev->config.si.max_cu_per_sh = 8;
3067 		rdev->config.si.max_sh_per_se = 2;
3068 		rdev->config.si.max_backends_per_se = 4;
3069 		rdev->config.si.max_texture_channel_caches = 12;
3070 		rdev->config.si.max_gprs = 256;
3071 		rdev->config.si.max_gs_threads = 32;
3072 		rdev->config.si.max_hw_contexts = 8;
3073 
3074 		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
3075 		rdev->config.si.sc_prim_fifo_size_backend = 0x100;
3076 		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
3077 		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
3078 		gb_addr_config = TAHITI_GB_ADDR_CONFIG_GOLDEN;
3079 		break;
3080 	case CHIP_PITCAIRN:
3081 		rdev->config.si.max_shader_engines = 2;
3082 		rdev->config.si.max_tile_pipes = 8;
3083 		rdev->config.si.max_cu_per_sh = 5;
3084 		rdev->config.si.max_sh_per_se = 2;
3085 		rdev->config.si.max_backends_per_se = 4;
3086 		rdev->config.si.max_texture_channel_caches = 8;
3087 		rdev->config.si.max_gprs = 256;
3088 		rdev->config.si.max_gs_threads = 32;
3089 		rdev->config.si.max_hw_contexts = 8;
3090 
3091 		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
3092 		rdev->config.si.sc_prim_fifo_size_backend = 0x100;
3093 		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
3094 		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
3095 		gb_addr_config = TAHITI_GB_ADDR_CONFIG_GOLDEN;
3096 		break;
3097 	case CHIP_VERDE:
3098 	default:
3099 		rdev->config.si.max_shader_engines = 1;
3100 		rdev->config.si.max_tile_pipes = 4;
3101 		rdev->config.si.max_cu_per_sh = 5;
3102 		rdev->config.si.max_sh_per_se = 2;
3103 		rdev->config.si.max_backends_per_se = 4;
3104 		rdev->config.si.max_texture_channel_caches = 4;
3105 		rdev->config.si.max_gprs = 256;
3106 		rdev->config.si.max_gs_threads = 32;
3107 		rdev->config.si.max_hw_contexts = 8;
3108 
3109 		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
3110 		rdev->config.si.sc_prim_fifo_size_backend = 0x40;
3111 		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
3112 		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
3113 		gb_addr_config = VERDE_GB_ADDR_CONFIG_GOLDEN;
3114 		break;
3115 	case CHIP_OLAND:
3116 		rdev->config.si.max_shader_engines = 1;
3117 		rdev->config.si.max_tile_pipes = 4;
3118 		rdev->config.si.max_cu_per_sh = 6;
3119 		rdev->config.si.max_sh_per_se = 1;
3120 		rdev->config.si.max_backends_per_se = 2;
3121 		rdev->config.si.max_texture_channel_caches = 4;
3122 		rdev->config.si.max_gprs = 256;
3123 		rdev->config.si.max_gs_threads = 16;
3124 		rdev->config.si.max_hw_contexts = 8;
3125 
3126 		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
3127 		rdev->config.si.sc_prim_fifo_size_backend = 0x40;
3128 		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
3129 		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
3130 		gb_addr_config = VERDE_GB_ADDR_CONFIG_GOLDEN;
3131 		break;
3132 	case CHIP_HAINAN:
3133 		rdev->config.si.max_shader_engines = 1;
3134 		rdev->config.si.max_tile_pipes = 4;
3135 		rdev->config.si.max_cu_per_sh = 5;
3136 		rdev->config.si.max_sh_per_se = 1;
3137 		rdev->config.si.max_backends_per_se = 1;
3138 		rdev->config.si.max_texture_channel_caches = 2;
3139 		rdev->config.si.max_gprs = 256;
3140 		rdev->config.si.max_gs_threads = 16;
3141 		rdev->config.si.max_hw_contexts = 8;
3142 
3143 		rdev->config.si.sc_prim_fifo_size_frontend = 0x20;
3144 		rdev->config.si.sc_prim_fifo_size_backend = 0x40;
3145 		rdev->config.si.sc_hiz_tile_fifo_size = 0x30;
3146 		rdev->config.si.sc_earlyz_tile_fifo_size = 0x130;
3147 		gb_addr_config = HAINAN_GB_ADDR_CONFIG_GOLDEN;
3148 		break;
3149 	}
3150 
3151 	/* Initialize HDP */
3152 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
3153 		WREG32((0x2c14 + j), 0x00000000);
3154 		WREG32((0x2c18 + j), 0x00000000);
3155 		WREG32((0x2c1c + j), 0x00000000);
3156 		WREG32((0x2c20 + j), 0x00000000);
3157 		WREG32((0x2c24 + j), 0x00000000);
3158 	}
3159 
3160 	WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
3161 
3162 	evergreen_fix_pci_max_read_req_size(rdev);
3163 
3164 	WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
3165 
3166 	mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
3167 	mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
3168 
3169 	rdev->config.si.num_tile_pipes = rdev->config.si.max_tile_pipes;
3170 	rdev->config.si.mem_max_burst_length_bytes = 256;
3171 	tmp = (mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT;
3172 	rdev->config.si.mem_row_size_in_kb = (4 * (1 << (8 + tmp))) / 1024;
3173 	if (rdev->config.si.mem_row_size_in_kb > 4)
3174 		rdev->config.si.mem_row_size_in_kb = 4;
3175 	/* XXX use MC settings? */
3176 	rdev->config.si.shader_engine_tile_size = 32;
3177 	rdev->config.si.num_gpus = 1;
3178 	rdev->config.si.multi_gpu_tile_size = 64;
3179 
3180 	/* fix up row size */
3181 	gb_addr_config &= ~ROW_SIZE_MASK;
3182 	switch (rdev->config.si.mem_row_size_in_kb) {
3183 	case 1:
3184 	default:
3185 		gb_addr_config |= ROW_SIZE(0);
3186 		break;
3187 	case 2:
3188 		gb_addr_config |= ROW_SIZE(1);
3189 		break;
3190 	case 4:
3191 		gb_addr_config |= ROW_SIZE(2);
3192 		break;
3193 	}
3194 
3195 	/* setup tiling info dword.  gb_addr_config is not adequate since it does
3196 	 * not have bank info, so create a custom tiling dword.
3197 	 * bits 3:0   num_pipes
3198 	 * bits 7:4   num_banks
3199 	 * bits 11:8  group_size
3200 	 * bits 15:12 row_size
3201 	 */
3202 	rdev->config.si.tile_config = 0;
3203 	switch (rdev->config.si.num_tile_pipes) {
3204 	case 1:
3205 		rdev->config.si.tile_config |= (0 << 0);
3206 		break;
3207 	case 2:
3208 		rdev->config.si.tile_config |= (1 << 0);
3209 		break;
3210 	case 4:
3211 		rdev->config.si.tile_config |= (2 << 0);
3212 		break;
3213 	case 8:
3214 	default:
3215 		/* XXX what about 12? */
3216 		rdev->config.si.tile_config |= (3 << 0);
3217 		break;
3218 	}
3219 	switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
3220 	case 0: /* four banks */
3221 		rdev->config.si.tile_config |= 0 << 4;
3222 		break;
3223 	case 1: /* eight banks */
3224 		rdev->config.si.tile_config |= 1 << 4;
3225 		break;
3226 	case 2: /* sixteen banks */
3227 	default:
3228 		rdev->config.si.tile_config |= 2 << 4;
3229 		break;
3230 	}
3231 	rdev->config.si.tile_config |=
3232 		((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
3233 	rdev->config.si.tile_config |=
3234 		((gb_addr_config & ROW_SIZE_MASK) >> ROW_SIZE_SHIFT) << 12;
3235 
3236 	WREG32(GB_ADDR_CONFIG, gb_addr_config);
3237 	WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
3238 	WREG32(DMIF_ADDR_CALC, gb_addr_config);
3239 	WREG32(HDP_ADDR_CONFIG, gb_addr_config);
3240 	WREG32(DMA_TILING_CONFIG + DMA0_REGISTER_OFFSET, gb_addr_config);
3241 	WREG32(DMA_TILING_CONFIG + DMA1_REGISTER_OFFSET, gb_addr_config);
3242 	if (rdev->has_uvd) {
3243 		WREG32(UVD_UDEC_ADDR_CONFIG, gb_addr_config);
3244 		WREG32(UVD_UDEC_DB_ADDR_CONFIG, gb_addr_config);
3245 		WREG32(UVD_UDEC_DBW_ADDR_CONFIG, gb_addr_config);
3246 	}
3247 
3248 	si_tiling_mode_table_init(rdev);
3249 
3250 	si_setup_rb(rdev, rdev->config.si.max_shader_engines,
3251 		    rdev->config.si.max_sh_per_se,
3252 		    rdev->config.si.max_backends_per_se);
3253 
3254 	si_setup_spi(rdev, rdev->config.si.max_shader_engines,
3255 		     rdev->config.si.max_sh_per_se,
3256 		     rdev->config.si.max_cu_per_sh);
3257 
3258 	for (i = 0; i < rdev->config.si.max_shader_engines; i++) {
3259 		for (j = 0; j < rdev->config.si.max_sh_per_se; j++) {
3260 			for (k = 0; k < rdev->config.si.max_cu_per_sh; k++) {
3261 				rdev->config.si.active_cus +=
3262 					hweight32(si_get_cu_active_bitmap(rdev, i, j));
3263 			}
3264 		}
3265 	}
3266 
3267 	/* set HW defaults for 3D engine */
3268 	WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
3269 				     ROQ_IB2_START(0x2b)));
3270 	WREG32(CP_MEQ_THRESHOLDS, MEQ1_START(0x30) | MEQ2_START(0x60));
3271 
3272 	sx_debug_1 = RREG32(SX_DEBUG_1);
3273 	WREG32(SX_DEBUG_1, sx_debug_1);
3274 
3275 	WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
3276 
3277 	WREG32(PA_SC_FIFO_SIZE, (SC_FRONTEND_PRIM_FIFO_SIZE(rdev->config.si.sc_prim_fifo_size_frontend) |
3278 				 SC_BACKEND_PRIM_FIFO_SIZE(rdev->config.si.sc_prim_fifo_size_backend) |
3279 				 SC_HIZ_TILE_FIFO_SIZE(rdev->config.si.sc_hiz_tile_fifo_size) |
3280 				 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.si.sc_earlyz_tile_fifo_size)));
3281 
3282 	WREG32(VGT_NUM_INSTANCES, 1);
3283 
3284 	WREG32(CP_PERFMON_CNTL, 0);
3285 
3286 	WREG32(SQ_CONFIG, 0);
3287 
3288 	WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
3289 					  FORCE_EOV_MAX_REZ_CNT(255)));
3290 
3291 	WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC) |
3292 	       AUTO_INVLD_EN(ES_AND_GS_AUTO));
3293 
3294 	WREG32(VGT_GS_VERTEX_REUSE, 16);
3295 	WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
3296 
3297 	WREG32(CB_PERFCOUNTER0_SELECT0, 0);
3298 	WREG32(CB_PERFCOUNTER0_SELECT1, 0);
3299 	WREG32(CB_PERFCOUNTER1_SELECT0, 0);
3300 	WREG32(CB_PERFCOUNTER1_SELECT1, 0);
3301 	WREG32(CB_PERFCOUNTER2_SELECT0, 0);
3302 	WREG32(CB_PERFCOUNTER2_SELECT1, 0);
3303 	WREG32(CB_PERFCOUNTER3_SELECT0, 0);
3304 	WREG32(CB_PERFCOUNTER3_SELECT1, 0);
3305 
3306 	tmp = RREG32(HDP_MISC_CNTL);
3307 	tmp |= HDP_FLUSH_INVALIDATE_CACHE;
3308 	WREG32(HDP_MISC_CNTL, tmp);
3309 
3310 	hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
3311 	WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
3312 
3313 	WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
3314 
3315 	udelay(50);
3316 }
3317 
3318 /*
3319  * GPU scratch registers helpers function.
3320  */
3321 static void si_scratch_init(struct radeon_device *rdev)
3322 {
3323 	int i;
3324 
3325 	rdev->scratch.num_reg = 7;
3326 	rdev->scratch.reg_base = SCRATCH_REG0;
3327 	for (i = 0; i < rdev->scratch.num_reg; i++) {
3328 		rdev->scratch.free[i] = true;
3329 		rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
3330 	}
3331 }
3332 
3333 void si_fence_ring_emit(struct radeon_device *rdev,
3334 			struct radeon_fence *fence)
3335 {
3336 	struct radeon_ring *ring = &rdev->ring[fence->ring];
3337 	u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
3338 
3339 	/* flush read cache over gart */
3340 	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3341 	radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
3342 	radeon_ring_write(ring, 0);
3343 	radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
3344 	radeon_ring_write(ring, PACKET3_TCL1_ACTION_ENA |
3345 			  PACKET3_TC_ACTION_ENA |
3346 			  PACKET3_SH_KCACHE_ACTION_ENA |
3347 			  PACKET3_SH_ICACHE_ACTION_ENA);
3348 	radeon_ring_write(ring, 0xFFFFFFFF);
3349 	radeon_ring_write(ring, 0);
3350 	radeon_ring_write(ring, 10); /* poll interval */
3351 	/* EVENT_WRITE_EOP - flush caches, send int */
3352 	radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
3353 	radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_TS_EVENT) | EVENT_INDEX(5));
3354 	radeon_ring_write(ring, lower_32_bits(addr));
3355 	radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
3356 	radeon_ring_write(ring, fence->seq);
3357 	radeon_ring_write(ring, 0);
3358 }
3359 
3360 /*
3361  * IB stuff
3362  */
3363 void si_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3364 {
3365 	struct radeon_ring *ring = &rdev->ring[ib->ring];
3366 	u32 header;
3367 
3368 	if (ib->is_const_ib) {
3369 		/* set switch buffer packet before const IB */
3370 		radeon_ring_write(ring, PACKET3(PACKET3_SWITCH_BUFFER, 0));
3371 		radeon_ring_write(ring, 0);
3372 
3373 		header = PACKET3(PACKET3_INDIRECT_BUFFER_CONST, 2);
3374 	} else {
3375 		u32 next_rptr;
3376 		if (ring->rptr_save_reg) {
3377 			next_rptr = ring->wptr + 3 + 4 + 8;
3378 			radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3379 			radeon_ring_write(ring, ((ring->rptr_save_reg -
3380 						  PACKET3_SET_CONFIG_REG_START) >> 2));
3381 			radeon_ring_write(ring, next_rptr);
3382 		} else if (rdev->wb.enabled) {
3383 			next_rptr = ring->wptr + 5 + 4 + 8;
3384 			radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
3385 			radeon_ring_write(ring, (1 << 8));
3386 			radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
3387 			radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr));
3388 			radeon_ring_write(ring, next_rptr);
3389 		}
3390 
3391 		header = PACKET3(PACKET3_INDIRECT_BUFFER, 2);
3392 	}
3393 
3394 	radeon_ring_write(ring, header);
3395 	radeon_ring_write(ring,
3396 #ifdef __BIG_ENDIAN
3397 			  (2 << 0) |
3398 #endif
3399 			  (ib->gpu_addr & 0xFFFFFFFC));
3400 	radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFFFF);
3401 	radeon_ring_write(ring, ib->length_dw |
3402 			  (ib->vm ? (ib->vm->id << 24) : 0));
3403 
3404 	if (!ib->is_const_ib) {
3405 		/* flush read cache over gart for this vmid */
3406 		radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3407 		radeon_ring_write(ring, (CP_COHER_CNTL2 - PACKET3_SET_CONFIG_REG_START) >> 2);
3408 		radeon_ring_write(ring, ib->vm ? ib->vm->id : 0);
3409 		radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
3410 		radeon_ring_write(ring, PACKET3_TCL1_ACTION_ENA |
3411 				  PACKET3_TC_ACTION_ENA |
3412 				  PACKET3_SH_KCACHE_ACTION_ENA |
3413 				  PACKET3_SH_ICACHE_ACTION_ENA);
3414 		radeon_ring_write(ring, 0xFFFFFFFF);
3415 		radeon_ring_write(ring, 0);
3416 		radeon_ring_write(ring, 10); /* poll interval */
3417 	}
3418 }
3419 
3420 /*
3421  * CP.
3422  */
3423 static void si_cp_enable(struct radeon_device *rdev, bool enable)
3424 {
3425 	if (enable)
3426 		WREG32(CP_ME_CNTL, 0);
3427 	else {
3428 		if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
3429 			radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
3430 		WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT));
3431 		WREG32(SCRATCH_UMSK, 0);
3432 		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
3433 		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
3434 		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
3435 	}
3436 	udelay(50);
3437 }
3438 
3439 static int si_cp_load_microcode(struct radeon_device *rdev)
3440 {
3441 	int i;
3442 
3443 	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw)
3444 		return -EINVAL;
3445 
3446 	si_cp_enable(rdev, false);
3447 
3448 	if (rdev->new_fw) {
3449 		const struct gfx_firmware_header_v1_0 *pfp_hdr =
3450 			(const struct gfx_firmware_header_v1_0 *)rdev->pfp_fw->data;
3451 		const struct gfx_firmware_header_v1_0 *ce_hdr =
3452 			(const struct gfx_firmware_header_v1_0 *)rdev->ce_fw->data;
3453 		const struct gfx_firmware_header_v1_0 *me_hdr =
3454 			(const struct gfx_firmware_header_v1_0 *)rdev->me_fw->data;
3455 		const __le32 *fw_data;
3456 		u32 fw_size;
3457 
3458 		radeon_ucode_print_gfx_hdr(&pfp_hdr->header);
3459 		radeon_ucode_print_gfx_hdr(&ce_hdr->header);
3460 		radeon_ucode_print_gfx_hdr(&me_hdr->header);
3461 
3462 		/* PFP */
3463 		fw_data = (const __le32 *)
3464 			(rdev->pfp_fw->data + le32_to_cpu(pfp_hdr->header.ucode_array_offset_bytes));
3465 		fw_size = le32_to_cpu(pfp_hdr->header.ucode_size_bytes) / 4;
3466 		WREG32(CP_PFP_UCODE_ADDR, 0);
3467 		for (i = 0; i < fw_size; i++)
3468 			WREG32(CP_PFP_UCODE_DATA, le32_to_cpup(fw_data++));
3469 		WREG32(CP_PFP_UCODE_ADDR, 0);
3470 
3471 		/* CE */
3472 		fw_data = (const __le32 *)
3473 			(rdev->ce_fw->data + le32_to_cpu(ce_hdr->header.ucode_array_offset_bytes));
3474 		fw_size = le32_to_cpu(ce_hdr->header.ucode_size_bytes) / 4;
3475 		WREG32(CP_CE_UCODE_ADDR, 0);
3476 		for (i = 0; i < fw_size; i++)
3477 			WREG32(CP_CE_UCODE_DATA, le32_to_cpup(fw_data++));
3478 		WREG32(CP_CE_UCODE_ADDR, 0);
3479 
3480 		/* ME */
3481 		fw_data = (const __be32 *)
3482 			(rdev->me_fw->data + le32_to_cpu(me_hdr->header.ucode_array_offset_bytes));
3483 		fw_size = le32_to_cpu(me_hdr->header.ucode_size_bytes) / 4;
3484 		WREG32(CP_ME_RAM_WADDR, 0);
3485 		for (i = 0; i < fw_size; i++)
3486 			WREG32(CP_ME_RAM_DATA, le32_to_cpup(fw_data++));
3487 		WREG32(CP_ME_RAM_WADDR, 0);
3488 	} else {
3489 		const __be32 *fw_data;
3490 
3491 		/* PFP */
3492 		fw_data = (const __be32 *)rdev->pfp_fw->data;
3493 		WREG32(CP_PFP_UCODE_ADDR, 0);
3494 		for (i = 0; i < SI_PFP_UCODE_SIZE; i++)
3495 			WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
3496 		WREG32(CP_PFP_UCODE_ADDR, 0);
3497 
3498 		/* CE */
3499 		fw_data = (const __be32 *)rdev->ce_fw->data;
3500 		WREG32(CP_CE_UCODE_ADDR, 0);
3501 		for (i = 0; i < SI_CE_UCODE_SIZE; i++)
3502 			WREG32(CP_CE_UCODE_DATA, be32_to_cpup(fw_data++));
3503 		WREG32(CP_CE_UCODE_ADDR, 0);
3504 
3505 		/* ME */
3506 		fw_data = (const __be32 *)rdev->me_fw->data;
3507 		WREG32(CP_ME_RAM_WADDR, 0);
3508 		for (i = 0; i < SI_PM4_UCODE_SIZE; i++)
3509 			WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
3510 		WREG32(CP_ME_RAM_WADDR, 0);
3511 	}
3512 
3513 	WREG32(CP_PFP_UCODE_ADDR, 0);
3514 	WREG32(CP_CE_UCODE_ADDR, 0);
3515 	WREG32(CP_ME_RAM_WADDR, 0);
3516 	WREG32(CP_ME_RAM_RADDR, 0);
3517 	return 0;
3518 }
3519 
3520 static int si_cp_start(struct radeon_device *rdev)
3521 {
3522 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3523 	int r, i;
3524 
3525 	r = radeon_ring_lock(rdev, ring, 7 + 4);
3526 	if (r) {
3527 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3528 		return r;
3529 	}
3530 	/* init the CP */
3531 	radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
3532 	radeon_ring_write(ring, 0x1);
3533 	radeon_ring_write(ring, 0x0);
3534 	radeon_ring_write(ring, rdev->config.si.max_hw_contexts - 1);
3535 	radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
3536 	radeon_ring_write(ring, 0);
3537 	radeon_ring_write(ring, 0);
3538 
3539 	/* init the CE partitions */
3540 	radeon_ring_write(ring, PACKET3(PACKET3_SET_BASE, 2));
3541 	radeon_ring_write(ring, PACKET3_BASE_INDEX(CE_PARTITION_BASE));
3542 	radeon_ring_write(ring, 0xc000);
3543 	radeon_ring_write(ring, 0xe000);
3544 	radeon_ring_unlock_commit(rdev, ring);
3545 
3546 	si_cp_enable(rdev, true);
3547 
3548 	r = radeon_ring_lock(rdev, ring, si_default_size + 10);
3549 	if (r) {
3550 		DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
3551 		return r;
3552 	}
3553 
3554 	/* setup clear context state */
3555 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
3556 	radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
3557 
3558 	for (i = 0; i < si_default_size; i++)
3559 		radeon_ring_write(ring, si_default_state[i]);
3560 
3561 	radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
3562 	radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
3563 
3564 	/* set clear context state */
3565 	radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
3566 	radeon_ring_write(ring, 0);
3567 
3568 	radeon_ring_write(ring, PACKET3(PACKET3_SET_CONTEXT_REG, 2));
3569 	radeon_ring_write(ring, 0x00000316);
3570 	radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
3571 	radeon_ring_write(ring, 0x00000010); /* VGT_OUT_DEALLOC_CNTL */
3572 
3573 	radeon_ring_unlock_commit(rdev, ring);
3574 
3575 	for (i = RADEON_RING_TYPE_GFX_INDEX; i <= CAYMAN_RING_TYPE_CP2_INDEX; ++i) {
3576 		ring = &rdev->ring[i];
3577 		r = radeon_ring_lock(rdev, ring, 2);
3578 
3579 		/* clear the compute context state */
3580 		radeon_ring_write(ring, PACKET3_COMPUTE(PACKET3_CLEAR_STATE, 0));
3581 		radeon_ring_write(ring, 0);
3582 
3583 		radeon_ring_unlock_commit(rdev, ring);
3584 	}
3585 
3586 	return 0;
3587 }
3588 
3589 static void si_cp_fini(struct radeon_device *rdev)
3590 {
3591 	struct radeon_ring *ring;
3592 	si_cp_enable(rdev, false);
3593 
3594 	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3595 	radeon_ring_fini(rdev, ring);
3596 	radeon_scratch_free(rdev, ring->rptr_save_reg);
3597 
3598 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
3599 	radeon_ring_fini(rdev, ring);
3600 	radeon_scratch_free(rdev, ring->rptr_save_reg);
3601 
3602 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
3603 	radeon_ring_fini(rdev, ring);
3604 	radeon_scratch_free(rdev, ring->rptr_save_reg);
3605 }
3606 
3607 static int si_cp_resume(struct radeon_device *rdev)
3608 {
3609 	struct radeon_ring *ring;
3610 	u32 tmp;
3611 	u32 rb_bufsz;
3612 	int r;
3613 
3614 	si_enable_gui_idle_interrupt(rdev, false);
3615 
3616 	WREG32(CP_SEM_WAIT_TIMER, 0x0);
3617 	WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
3618 
3619 	/* Set the write pointer delay */
3620 	WREG32(CP_RB_WPTR_DELAY, 0);
3621 
3622 	WREG32(CP_DEBUG, 0);
3623 	WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
3624 
3625 	/* ring 0 - compute and gfx */
3626 	/* Set ring buffer size */
3627 	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3628 	rb_bufsz = order_base_2(ring->ring_size / 8);
3629 	tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
3630 #ifdef __BIG_ENDIAN
3631 	tmp |= BUF_SWAP_32BIT;
3632 #endif
3633 	WREG32(CP_RB0_CNTL, tmp);
3634 
3635 	/* Initialize the ring buffer's read and write pointers */
3636 	WREG32(CP_RB0_CNTL, tmp | RB_RPTR_WR_ENA);
3637 	ring->wptr = 0;
3638 	WREG32(CP_RB0_WPTR, ring->wptr);
3639 
3640 	/* set the wb address whether it's enabled or not */
3641 	WREG32(CP_RB0_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC);
3642 	WREG32(CP_RB0_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
3643 
3644 	if (rdev->wb.enabled)
3645 		WREG32(SCRATCH_UMSK, 0xff);
3646 	else {
3647 		tmp |= RB_NO_UPDATE;
3648 		WREG32(SCRATCH_UMSK, 0);
3649 	}
3650 
3651 	mdelay(1);
3652 	WREG32(CP_RB0_CNTL, tmp);
3653 
3654 	WREG32(CP_RB0_BASE, ring->gpu_addr >> 8);
3655 
3656 	/* ring1  - compute only */
3657 	/* Set ring buffer size */
3658 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
3659 	rb_bufsz = order_base_2(ring->ring_size / 8);
3660 	tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
3661 #ifdef __BIG_ENDIAN
3662 	tmp |= BUF_SWAP_32BIT;
3663 #endif
3664 	WREG32(CP_RB1_CNTL, tmp);
3665 
3666 	/* Initialize the ring buffer's read and write pointers */
3667 	WREG32(CP_RB1_CNTL, tmp | RB_RPTR_WR_ENA);
3668 	ring->wptr = 0;
3669 	WREG32(CP_RB1_WPTR, ring->wptr);
3670 
3671 	/* set the wb address whether it's enabled or not */
3672 	WREG32(CP_RB1_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFFFFFFFC);
3673 	WREG32(CP_RB1_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFF);
3674 
3675 	mdelay(1);
3676 	WREG32(CP_RB1_CNTL, tmp);
3677 
3678 	WREG32(CP_RB1_BASE, ring->gpu_addr >> 8);
3679 
3680 	/* ring2 - compute only */
3681 	/* Set ring buffer size */
3682 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
3683 	rb_bufsz = order_base_2(ring->ring_size / 8);
3684 	tmp = (order_base_2(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
3685 #ifdef __BIG_ENDIAN
3686 	tmp |= BUF_SWAP_32BIT;
3687 #endif
3688 	WREG32(CP_RB2_CNTL, tmp);
3689 
3690 	/* Initialize the ring buffer's read and write pointers */
3691 	WREG32(CP_RB2_CNTL, tmp | RB_RPTR_WR_ENA);
3692 	ring->wptr = 0;
3693 	WREG32(CP_RB2_WPTR, ring->wptr);
3694 
3695 	/* set the wb address whether it's enabled or not */
3696 	WREG32(CP_RB2_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFFFFFFFC);
3697 	WREG32(CP_RB2_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFF);
3698 
3699 	mdelay(1);
3700 	WREG32(CP_RB2_CNTL, tmp);
3701 
3702 	WREG32(CP_RB2_BASE, ring->gpu_addr >> 8);
3703 
3704 	/* start the rings */
3705 	si_cp_start(rdev);
3706 	rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = true;
3707 	rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = true;
3708 	rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = true;
3709 	r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX]);
3710 	if (r) {
3711 		rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
3712 		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
3713 		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
3714 		return r;
3715 	}
3716 	r = radeon_ring_test(rdev, CAYMAN_RING_TYPE_CP1_INDEX, &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX]);
3717 	if (r) {
3718 		rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX].ready = false;
3719 	}
3720 	r = radeon_ring_test(rdev, CAYMAN_RING_TYPE_CP2_INDEX, &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX]);
3721 	if (r) {
3722 		rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX].ready = false;
3723 	}
3724 
3725 	si_enable_gui_idle_interrupt(rdev, true);
3726 
3727 	if (rdev->asic->copy.copy_ring_index == RADEON_RING_TYPE_GFX_INDEX)
3728 		radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
3729 
3730 	return 0;
3731 }
3732 
3733 u32 si_gpu_check_soft_reset(struct radeon_device *rdev)
3734 {
3735 	u32 reset_mask = 0;
3736 	u32 tmp;
3737 
3738 	/* GRBM_STATUS */
3739 	tmp = RREG32(GRBM_STATUS);
3740 	if (tmp & (PA_BUSY | SC_BUSY |
3741 		   BCI_BUSY | SX_BUSY |
3742 		   TA_BUSY | VGT_BUSY |
3743 		   DB_BUSY | CB_BUSY |
3744 		   GDS_BUSY | SPI_BUSY |
3745 		   IA_BUSY | IA_BUSY_NO_DMA))
3746 		reset_mask |= RADEON_RESET_GFX;
3747 
3748 	if (tmp & (CF_RQ_PENDING | PF_RQ_PENDING |
3749 		   CP_BUSY | CP_COHERENCY_BUSY))
3750 		reset_mask |= RADEON_RESET_CP;
3751 
3752 	if (tmp & GRBM_EE_BUSY)
3753 		reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
3754 
3755 	/* GRBM_STATUS2 */
3756 	tmp = RREG32(GRBM_STATUS2);
3757 	if (tmp & (RLC_RQ_PENDING | RLC_BUSY))
3758 		reset_mask |= RADEON_RESET_RLC;
3759 
3760 	/* DMA_STATUS_REG 0 */
3761 	tmp = RREG32(DMA_STATUS_REG + DMA0_REGISTER_OFFSET);
3762 	if (!(tmp & DMA_IDLE))
3763 		reset_mask |= RADEON_RESET_DMA;
3764 
3765 	/* DMA_STATUS_REG 1 */
3766 	tmp = RREG32(DMA_STATUS_REG + DMA1_REGISTER_OFFSET);
3767 	if (!(tmp & DMA_IDLE))
3768 		reset_mask |= RADEON_RESET_DMA1;
3769 
3770 	/* SRBM_STATUS2 */
3771 	tmp = RREG32(SRBM_STATUS2);
3772 	if (tmp & DMA_BUSY)
3773 		reset_mask |= RADEON_RESET_DMA;
3774 
3775 	if (tmp & DMA1_BUSY)
3776 		reset_mask |= RADEON_RESET_DMA1;
3777 
3778 	/* SRBM_STATUS */
3779 	tmp = RREG32(SRBM_STATUS);
3780 
3781 	if (tmp & IH_BUSY)
3782 		reset_mask |= RADEON_RESET_IH;
3783 
3784 	if (tmp & SEM_BUSY)
3785 		reset_mask |= RADEON_RESET_SEM;
3786 
3787 	if (tmp & GRBM_RQ_PENDING)
3788 		reset_mask |= RADEON_RESET_GRBM;
3789 
3790 	if (tmp & VMC_BUSY)
3791 		reset_mask |= RADEON_RESET_VMC;
3792 
3793 	if (tmp & (MCB_BUSY | MCB_NON_DISPLAY_BUSY |
3794 		   MCC_BUSY | MCD_BUSY))
3795 		reset_mask |= RADEON_RESET_MC;
3796 
3797 	if (evergreen_is_display_hung(rdev))
3798 		reset_mask |= RADEON_RESET_DISPLAY;
3799 
3800 	/* VM_L2_STATUS */
3801 	tmp = RREG32(VM_L2_STATUS);
3802 	if (tmp & L2_BUSY)
3803 		reset_mask |= RADEON_RESET_VMC;
3804 
3805 	/* Skip MC reset as it's mostly likely not hung, just busy */
3806 	if (reset_mask & RADEON_RESET_MC) {
3807 		DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
3808 		reset_mask &= ~RADEON_RESET_MC;
3809 	}
3810 
3811 	return reset_mask;
3812 }
3813 
3814 static void si_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
3815 {
3816 	struct evergreen_mc_save save;
3817 	u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
3818 	u32 tmp;
3819 
3820 	if (reset_mask == 0)
3821 		return;
3822 
3823 	dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
3824 
3825 	evergreen_print_gpu_status_regs(rdev);
3826 	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
3827 		 RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR));
3828 	dev_info(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
3829 		 RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS));
3830 
3831 	/* disable PG/CG */
3832 	si_fini_pg(rdev);
3833 	si_fini_cg(rdev);
3834 
3835 	/* stop the rlc */
3836 	si_rlc_stop(rdev);
3837 
3838 	/* Disable CP parsing/prefetching */
3839 	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT);
3840 
3841 	if (reset_mask & RADEON_RESET_DMA) {
3842 		/* dma0 */
3843 		tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
3844 		tmp &= ~DMA_RB_ENABLE;
3845 		WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
3846 	}
3847 	if (reset_mask & RADEON_RESET_DMA1) {
3848 		/* dma1 */
3849 		tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
3850 		tmp &= ~DMA_RB_ENABLE;
3851 		WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
3852 	}
3853 
3854 	udelay(50);
3855 
3856 	evergreen_mc_stop(rdev, &save);
3857 	if (evergreen_mc_wait_for_idle(rdev)) {
3858 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
3859 	}
3860 
3861 	if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE | RADEON_RESET_CP)) {
3862 		grbm_soft_reset = SOFT_RESET_CB |
3863 			SOFT_RESET_DB |
3864 			SOFT_RESET_GDS |
3865 			SOFT_RESET_PA |
3866 			SOFT_RESET_SC |
3867 			SOFT_RESET_BCI |
3868 			SOFT_RESET_SPI |
3869 			SOFT_RESET_SX |
3870 			SOFT_RESET_TC |
3871 			SOFT_RESET_TA |
3872 			SOFT_RESET_VGT |
3873 			SOFT_RESET_IA;
3874 	}
3875 
3876 	if (reset_mask & RADEON_RESET_CP) {
3877 		grbm_soft_reset |= SOFT_RESET_CP | SOFT_RESET_VGT;
3878 
3879 		srbm_soft_reset |= SOFT_RESET_GRBM;
3880 	}
3881 
3882 	if (reset_mask & RADEON_RESET_DMA)
3883 		srbm_soft_reset |= SOFT_RESET_DMA;
3884 
3885 	if (reset_mask & RADEON_RESET_DMA1)
3886 		srbm_soft_reset |= SOFT_RESET_DMA1;
3887 
3888 	if (reset_mask & RADEON_RESET_DISPLAY)
3889 		srbm_soft_reset |= SOFT_RESET_DC;
3890 
3891 	if (reset_mask & RADEON_RESET_RLC)
3892 		grbm_soft_reset |= SOFT_RESET_RLC;
3893 
3894 	if (reset_mask & RADEON_RESET_SEM)
3895 		srbm_soft_reset |= SOFT_RESET_SEM;
3896 
3897 	if (reset_mask & RADEON_RESET_IH)
3898 		srbm_soft_reset |= SOFT_RESET_IH;
3899 
3900 	if (reset_mask & RADEON_RESET_GRBM)
3901 		srbm_soft_reset |= SOFT_RESET_GRBM;
3902 
3903 	if (reset_mask & RADEON_RESET_VMC)
3904 		srbm_soft_reset |= SOFT_RESET_VMC;
3905 
3906 	if (reset_mask & RADEON_RESET_MC)
3907 		srbm_soft_reset |= SOFT_RESET_MC;
3908 
3909 	if (grbm_soft_reset) {
3910 		tmp = RREG32(GRBM_SOFT_RESET);
3911 		tmp |= grbm_soft_reset;
3912 		dev_info(rdev->dev, "GRBM_SOFT_RESET=0x%08X\n", tmp);
3913 		WREG32(GRBM_SOFT_RESET, tmp);
3914 		tmp = RREG32(GRBM_SOFT_RESET);
3915 
3916 		udelay(50);
3917 
3918 		tmp &= ~grbm_soft_reset;
3919 		WREG32(GRBM_SOFT_RESET, tmp);
3920 		tmp = RREG32(GRBM_SOFT_RESET);
3921 	}
3922 
3923 	if (srbm_soft_reset) {
3924 		tmp = RREG32(SRBM_SOFT_RESET);
3925 		tmp |= srbm_soft_reset;
3926 		dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
3927 		WREG32(SRBM_SOFT_RESET, tmp);
3928 		tmp = RREG32(SRBM_SOFT_RESET);
3929 
3930 		udelay(50);
3931 
3932 		tmp &= ~srbm_soft_reset;
3933 		WREG32(SRBM_SOFT_RESET, tmp);
3934 		tmp = RREG32(SRBM_SOFT_RESET);
3935 	}
3936 
3937 	/* Wait a little for things to settle down */
3938 	udelay(50);
3939 
3940 	evergreen_mc_resume(rdev, &save);
3941 	udelay(50);
3942 
3943 	evergreen_print_gpu_status_regs(rdev);
3944 }
3945 
3946 static void si_set_clk_bypass_mode(struct radeon_device *rdev)
3947 {
3948 	u32 tmp, i;
3949 
3950 	tmp = RREG32(CG_SPLL_FUNC_CNTL);
3951 	tmp |= SPLL_BYPASS_EN;
3952 	WREG32(CG_SPLL_FUNC_CNTL, tmp);
3953 
3954 	tmp = RREG32(CG_SPLL_FUNC_CNTL_2);
3955 	tmp |= SPLL_CTLREQ_CHG;
3956 	WREG32(CG_SPLL_FUNC_CNTL_2, tmp);
3957 
3958 	for (i = 0; i < rdev->usec_timeout; i++) {
3959 		if (RREG32(SPLL_STATUS) & SPLL_CHG_STATUS)
3960 			break;
3961 		udelay(1);
3962 	}
3963 
3964 	tmp = RREG32(CG_SPLL_FUNC_CNTL_2);
3965 	tmp &= ~(SPLL_CTLREQ_CHG | SCLK_MUX_UPDATE);
3966 	WREG32(CG_SPLL_FUNC_CNTL_2, tmp);
3967 
3968 	tmp = RREG32(MPLL_CNTL_MODE);
3969 	tmp &= ~MPLL_MCLK_SEL;
3970 	WREG32(MPLL_CNTL_MODE, tmp);
3971 }
3972 
3973 static void si_spll_powerdown(struct radeon_device *rdev)
3974 {
3975 	u32 tmp;
3976 
3977 	tmp = RREG32(SPLL_CNTL_MODE);
3978 	tmp |= SPLL_SW_DIR_CONTROL;
3979 	WREG32(SPLL_CNTL_MODE, tmp);
3980 
3981 	tmp = RREG32(CG_SPLL_FUNC_CNTL);
3982 	tmp |= SPLL_RESET;
3983 	WREG32(CG_SPLL_FUNC_CNTL, tmp);
3984 
3985 	tmp = RREG32(CG_SPLL_FUNC_CNTL);
3986 	tmp |= SPLL_SLEEP;
3987 	WREG32(CG_SPLL_FUNC_CNTL, tmp);
3988 
3989 	tmp = RREG32(SPLL_CNTL_MODE);
3990 	tmp &= ~SPLL_SW_DIR_CONTROL;
3991 	WREG32(SPLL_CNTL_MODE, tmp);
3992 }
3993 
3994 static void si_gpu_pci_config_reset(struct radeon_device *rdev)
3995 {
3996 	struct evergreen_mc_save save;
3997 	u32 tmp, i;
3998 
3999 	dev_info(rdev->dev, "GPU pci config reset\n");
4000 
4001 	/* disable dpm? */
4002 
4003 	/* disable cg/pg */
4004 	si_fini_pg(rdev);
4005 	si_fini_cg(rdev);
4006 
4007 	/* Disable CP parsing/prefetching */
4008 	WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT | CP_CE_HALT);
4009 	/* dma0 */
4010 	tmp = RREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET);
4011 	tmp &= ~DMA_RB_ENABLE;
4012 	WREG32(DMA_RB_CNTL + DMA0_REGISTER_OFFSET, tmp);
4013 	/* dma1 */
4014 	tmp = RREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET);
4015 	tmp &= ~DMA_RB_ENABLE;
4016 	WREG32(DMA_RB_CNTL + DMA1_REGISTER_OFFSET, tmp);
4017 	/* XXX other engines? */
4018 
4019 	/* halt the rlc, disable cp internal ints */
4020 	si_rlc_stop(rdev);
4021 
4022 	udelay(50);
4023 
4024 	/* disable mem access */
4025 	evergreen_mc_stop(rdev, &save);
4026 	if (evergreen_mc_wait_for_idle(rdev)) {
4027 		dev_warn(rdev->dev, "Wait for MC idle timed out !\n");
4028 	}
4029 
4030 	/* set mclk/sclk to bypass */
4031 	si_set_clk_bypass_mode(rdev);
4032 	/* powerdown spll */
4033 	si_spll_powerdown(rdev);
4034 	/* disable BM */
4035 	pci_clear_master(rdev->pdev);
4036 	/* reset */
4037 	radeon_pci_config_reset(rdev);
4038 	/* wait for asic to come out of reset */
4039 	for (i = 0; i < rdev->usec_timeout; i++) {
4040 		if (RREG32(CONFIG_MEMSIZE) != 0xffffffff)
4041 			break;
4042 		udelay(1);
4043 	}
4044 }
4045 
4046 int si_asic_reset(struct radeon_device *rdev)
4047 {
4048 	u32 reset_mask;
4049 
4050 	reset_mask = si_gpu_check_soft_reset(rdev);
4051 
4052 	if (reset_mask)
4053 		r600_set_bios_scratch_engine_hung(rdev, true);
4054 
4055 	/* try soft reset */
4056 	si_gpu_soft_reset(rdev, reset_mask);
4057 
4058 	reset_mask = si_gpu_check_soft_reset(rdev);
4059 
4060 	/* try pci config reset */
4061 	if (reset_mask && radeon_hard_reset)
4062 		si_gpu_pci_config_reset(rdev);
4063 
4064 	reset_mask = si_gpu_check_soft_reset(rdev);
4065 
4066 	if (!reset_mask)
4067 		r600_set_bios_scratch_engine_hung(rdev, false);
4068 
4069 	return 0;
4070 }
4071 
4072 /**
4073  * si_gfx_is_lockup - Check if the GFX engine is locked up
4074  *
4075  * @rdev: radeon_device pointer
4076  * @ring: radeon_ring structure holding ring information
4077  *
4078  * Check if the GFX engine is locked up.
4079  * Returns true if the engine appears to be locked up, false if not.
4080  */
4081 bool si_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
4082 {
4083 	u32 reset_mask = si_gpu_check_soft_reset(rdev);
4084 
4085 	if (!(reset_mask & (RADEON_RESET_GFX |
4086 			    RADEON_RESET_COMPUTE |
4087 			    RADEON_RESET_CP))) {
4088 		radeon_ring_lockup_update(rdev, ring);
4089 		return false;
4090 	}
4091 	return radeon_ring_test_lockup(rdev, ring);
4092 }
4093 
4094 /* MC */
4095 static void si_mc_program(struct radeon_device *rdev)
4096 {
4097 	struct evergreen_mc_save save;
4098 	u32 tmp;
4099 	int i, j;
4100 
4101 	/* Initialize HDP */
4102 	for (i = 0, j = 0; i < 32; i++, j += 0x18) {
4103 		WREG32((0x2c14 + j), 0x00000000);
4104 		WREG32((0x2c18 + j), 0x00000000);
4105 		WREG32((0x2c1c + j), 0x00000000);
4106 		WREG32((0x2c20 + j), 0x00000000);
4107 		WREG32((0x2c24 + j), 0x00000000);
4108 	}
4109 	WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
4110 
4111 	evergreen_mc_stop(rdev, &save);
4112 	if (radeon_mc_wait_for_idle(rdev)) {
4113 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
4114 	}
4115 	if (!ASIC_IS_NODCE(rdev))
4116 		/* Lockout access through VGA aperture*/
4117 		WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
4118 	/* Update configuration */
4119 	WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
4120 	       rdev->mc.vram_start >> 12);
4121 	WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
4122 	       rdev->mc.vram_end >> 12);
4123 	WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR,
4124 	       rdev->vram_scratch.gpu_addr >> 12);
4125 	tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
4126 	tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
4127 	WREG32(MC_VM_FB_LOCATION, tmp);
4128 	/* XXX double check these! */
4129 	WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
4130 	WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
4131 	WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
4132 	WREG32(MC_VM_AGP_BASE, 0);
4133 	WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
4134 	WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
4135 	if (radeon_mc_wait_for_idle(rdev)) {
4136 		dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
4137 	}
4138 	evergreen_mc_resume(rdev, &save);
4139 	if (!ASIC_IS_NODCE(rdev)) {
4140 		/* we need to own VRAM, so turn off the VGA renderer here
4141 		 * to stop it overwriting our objects */
4142 		rv515_vga_render_disable(rdev);
4143 	}
4144 }
4145 
4146 void si_vram_gtt_location(struct radeon_device *rdev,
4147 			  struct radeon_mc *mc)
4148 {
4149 	if (mc->mc_vram_size > 0xFFC0000000ULL) {
4150 		/* leave room for at least 1024M GTT */
4151 		dev_warn(rdev->dev, "limiting VRAM\n");
4152 		mc->real_vram_size = 0xFFC0000000ULL;
4153 		mc->mc_vram_size = 0xFFC0000000ULL;
4154 	}
4155 	radeon_vram_location(rdev, &rdev->mc, 0);
4156 	rdev->mc.gtt_base_align = 0;
4157 	radeon_gtt_location(rdev, mc);
4158 }
4159 
4160 static int si_mc_init(struct radeon_device *rdev)
4161 {
4162 	u32 tmp;
4163 	int chansize, numchan;
4164 
4165 	/* Get VRAM informations */
4166 	rdev->mc.vram_is_ddr = true;
4167 	tmp = RREG32(MC_ARB_RAMCFG);
4168 	if (tmp & CHANSIZE_OVERRIDE) {
4169 		chansize = 16;
4170 	} else if (tmp & CHANSIZE_MASK) {
4171 		chansize = 64;
4172 	} else {
4173 		chansize = 32;
4174 	}
4175 	tmp = RREG32(MC_SHARED_CHMAP);
4176 	switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
4177 	case 0:
4178 	default:
4179 		numchan = 1;
4180 		break;
4181 	case 1:
4182 		numchan = 2;
4183 		break;
4184 	case 2:
4185 		numchan = 4;
4186 		break;
4187 	case 3:
4188 		numchan = 8;
4189 		break;
4190 	case 4:
4191 		numchan = 3;
4192 		break;
4193 	case 5:
4194 		numchan = 6;
4195 		break;
4196 	case 6:
4197 		numchan = 10;
4198 		break;
4199 	case 7:
4200 		numchan = 12;
4201 		break;
4202 	case 8:
4203 		numchan = 16;
4204 		break;
4205 	}
4206 	rdev->mc.vram_width = numchan * chansize;
4207 	/* Could aper size report 0 ? */
4208 	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
4209 	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
4210 	/* size in MB on si */
4211 	tmp = RREG32(CONFIG_MEMSIZE);
4212 	/* some boards may have garbage in the upper 16 bits */
4213 	if (tmp & 0xffff0000) {
4214 		DRM_INFO("Probable bad vram size: 0x%08x\n", tmp);
4215 		if (tmp & 0xffff)
4216 			tmp &= 0xffff;
4217 	}
4218 	rdev->mc.mc_vram_size = tmp * 1024ULL * 1024ULL;
4219 	rdev->mc.real_vram_size = rdev->mc.mc_vram_size;
4220 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
4221 	si_vram_gtt_location(rdev, &rdev->mc);
4222 	radeon_update_bandwidth_info(rdev);
4223 
4224 	return 0;
4225 }
4226 
4227 /*
4228  * GART
4229  */
4230 void si_pcie_gart_tlb_flush(struct radeon_device *rdev)
4231 {
4232 	/* flush hdp cache */
4233 	WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
4234 
4235 	/* bits 0-15 are the VM contexts0-15 */
4236 	WREG32(VM_INVALIDATE_REQUEST, 1);
4237 }
4238 
4239 static int si_pcie_gart_enable(struct radeon_device *rdev)
4240 {
4241 	int r, i;
4242 
4243 	if (rdev->gart.robj == NULL) {
4244 		dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
4245 		return -EINVAL;
4246 	}
4247 	r = radeon_gart_table_vram_pin(rdev);
4248 	if (r)
4249 		return r;
4250 	/* Setup TLB control */
4251 	WREG32(MC_VM_MX_L1_TLB_CNTL,
4252 	       (0xA << 7) |
4253 	       ENABLE_L1_TLB |
4254 	       ENABLE_L1_FRAGMENT_PROCESSING |
4255 	       SYSTEM_ACCESS_MODE_NOT_IN_SYS |
4256 	       ENABLE_ADVANCED_DRIVER_MODEL |
4257 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
4258 	/* Setup L2 cache */
4259 	WREG32(VM_L2_CNTL, ENABLE_L2_CACHE |
4260 	       ENABLE_L2_FRAGMENT_PROCESSING |
4261 	       ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
4262 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
4263 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
4264 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
4265 	WREG32(VM_L2_CNTL2, INVALIDATE_ALL_L1_TLBS | INVALIDATE_L2_CACHE);
4266 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
4267 	       BANK_SELECT(4) |
4268 	       L2_CACHE_BIGK_FRAGMENT_SIZE(4));
4269 	/* setup context0 */
4270 	WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
4271 	WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
4272 	WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
4273 	WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
4274 			(u32)(rdev->dummy_page.addr >> 12));
4275 	WREG32(VM_CONTEXT0_CNTL2, 0);
4276 	WREG32(VM_CONTEXT0_CNTL, (ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
4277 				  RANGE_PROTECTION_FAULT_ENABLE_DEFAULT));
4278 
4279 	WREG32(0x15D4, 0);
4280 	WREG32(0x15D8, 0);
4281 	WREG32(0x15DC, 0);
4282 
4283 	/* empty context1-15 */
4284 	/* set vm size, must be a multiple of 4 */
4285 	WREG32(VM_CONTEXT1_PAGE_TABLE_START_ADDR, 0);
4286 	WREG32(VM_CONTEXT1_PAGE_TABLE_END_ADDR, rdev->vm_manager.max_pfn);
4287 	/* Assign the pt base to something valid for now; the pts used for
4288 	 * the VMs are determined by the application and setup and assigned
4289 	 * on the fly in the vm part of radeon_gart.c
4290 	 */
4291 	for (i = 1; i < 16; i++) {
4292 		if (i < 8)
4293 			WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (i << 2),
4294 			       rdev->gart.table_addr >> 12);
4295 		else
4296 			WREG32(VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((i - 8) << 2),
4297 			       rdev->gart.table_addr >> 12);
4298 	}
4299 
4300 	/* enable context1-15 */
4301 	WREG32(VM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR,
4302 	       (u32)(rdev->dummy_page.addr >> 12));
4303 	WREG32(VM_CONTEXT1_CNTL2, 4);
4304 	WREG32(VM_CONTEXT1_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(1) |
4305 				PAGE_TABLE_BLOCK_SIZE(radeon_vm_block_size - 9) |
4306 				RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
4307 				RANGE_PROTECTION_FAULT_ENABLE_DEFAULT |
4308 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT |
4309 				DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT |
4310 				PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT |
4311 				PDE0_PROTECTION_FAULT_ENABLE_DEFAULT |
4312 				VALID_PROTECTION_FAULT_ENABLE_INTERRUPT |
4313 				VALID_PROTECTION_FAULT_ENABLE_DEFAULT |
4314 				READ_PROTECTION_FAULT_ENABLE_INTERRUPT |
4315 				READ_PROTECTION_FAULT_ENABLE_DEFAULT |
4316 				WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT |
4317 				WRITE_PROTECTION_FAULT_ENABLE_DEFAULT);
4318 
4319 	si_pcie_gart_tlb_flush(rdev);
4320 	DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
4321 		 (unsigned)(rdev->mc.gtt_size >> 20),
4322 		 (unsigned long long)rdev->gart.table_addr);
4323 	rdev->gart.ready = true;
4324 	return 0;
4325 }
4326 
4327 static void si_pcie_gart_disable(struct radeon_device *rdev)
4328 {
4329 	/* Disable all tables */
4330 	WREG32(VM_CONTEXT0_CNTL, 0);
4331 	WREG32(VM_CONTEXT1_CNTL, 0);
4332 	/* Setup TLB control */
4333 	WREG32(MC_VM_MX_L1_TLB_CNTL, SYSTEM_ACCESS_MODE_NOT_IN_SYS |
4334 	       SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU);
4335 	/* Setup L2 cache */
4336 	WREG32(VM_L2_CNTL, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
4337 	       ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE |
4338 	       EFFECTIVE_L2_QUEUE_SIZE(7) |
4339 	       CONTEXT1_IDENTITY_ACCESS_MODE(1));
4340 	WREG32(VM_L2_CNTL2, 0);
4341 	WREG32(VM_L2_CNTL3, L2_CACHE_BIGK_ASSOCIATIVITY |
4342 	       L2_CACHE_BIGK_FRAGMENT_SIZE(0));
4343 	radeon_gart_table_vram_unpin(rdev);
4344 }
4345 
4346 static void si_pcie_gart_fini(struct radeon_device *rdev)
4347 {
4348 	si_pcie_gart_disable(rdev);
4349 	radeon_gart_table_vram_free(rdev);
4350 	radeon_gart_fini(rdev);
4351 }
4352 
4353 /* vm parser */
4354 static bool si_vm_reg_valid(u32 reg)
4355 {
4356 	/* context regs are fine */
4357 	if (reg >= 0x28000)
4358 		return true;
4359 
4360 	/* check config regs */
4361 	switch (reg) {
4362 	case GRBM_GFX_INDEX:
4363 	case CP_STRMOUT_CNTL:
4364 	case VGT_VTX_VECT_EJECT_REG:
4365 	case VGT_CACHE_INVALIDATION:
4366 	case VGT_ESGS_RING_SIZE:
4367 	case VGT_GSVS_RING_SIZE:
4368 	case VGT_GS_VERTEX_REUSE:
4369 	case VGT_PRIMITIVE_TYPE:
4370 	case VGT_INDEX_TYPE:
4371 	case VGT_NUM_INDICES:
4372 	case VGT_NUM_INSTANCES:
4373 	case VGT_TF_RING_SIZE:
4374 	case VGT_HS_OFFCHIP_PARAM:
4375 	case VGT_TF_MEMORY_BASE:
4376 	case PA_CL_ENHANCE:
4377 	case PA_SU_LINE_STIPPLE_VALUE:
4378 	case PA_SC_LINE_STIPPLE_STATE:
4379 	case PA_SC_ENHANCE:
4380 	case SQC_CACHES:
4381 	case SPI_STATIC_THREAD_MGMT_1:
4382 	case SPI_STATIC_THREAD_MGMT_2:
4383 	case SPI_STATIC_THREAD_MGMT_3:
4384 	case SPI_PS_MAX_WAVE_ID:
4385 	case SPI_CONFIG_CNTL:
4386 	case SPI_CONFIG_CNTL_1:
4387 	case TA_CNTL_AUX:
4388 		return true;
4389 	default:
4390 		DRM_ERROR("Invalid register 0x%x in CS\n", reg);
4391 		return false;
4392 	}
4393 }
4394 
4395 static int si_vm_packet3_ce_check(struct radeon_device *rdev,
4396 				  u32 *ib, struct radeon_cs_packet *pkt)
4397 {
4398 	switch (pkt->opcode) {
4399 	case PACKET3_NOP:
4400 	case PACKET3_SET_BASE:
4401 	case PACKET3_SET_CE_DE_COUNTERS:
4402 	case PACKET3_LOAD_CONST_RAM:
4403 	case PACKET3_WRITE_CONST_RAM:
4404 	case PACKET3_WRITE_CONST_RAM_OFFSET:
4405 	case PACKET3_DUMP_CONST_RAM:
4406 	case PACKET3_INCREMENT_CE_COUNTER:
4407 	case PACKET3_WAIT_ON_DE_COUNTER:
4408 	case PACKET3_CE_WRITE:
4409 		break;
4410 	default:
4411 		DRM_ERROR("Invalid CE packet3: 0x%x\n", pkt->opcode);
4412 		return -EINVAL;
4413 	}
4414 	return 0;
4415 }
4416 
4417 static int si_vm_packet3_cp_dma_check(u32 *ib, u32 idx)
4418 {
4419 	u32 start_reg, reg, i;
4420 	u32 command = ib[idx + 4];
4421 	u32 info = ib[idx + 1];
4422 	u32 idx_value = ib[idx];
4423 	if (command & PACKET3_CP_DMA_CMD_SAS) {
4424 		/* src address space is register */
4425 		if (((info & 0x60000000) >> 29) == 0) {
4426 			start_reg = idx_value << 2;
4427 			if (command & PACKET3_CP_DMA_CMD_SAIC) {
4428 				reg = start_reg;
4429 				if (!si_vm_reg_valid(reg)) {
4430 					DRM_ERROR("CP DMA Bad SRC register\n");
4431 					return -EINVAL;
4432 				}
4433 			} else {
4434 				for (i = 0; i < (command & 0x1fffff); i++) {
4435 					reg = start_reg + (4 * i);
4436 					if (!si_vm_reg_valid(reg)) {
4437 						DRM_ERROR("CP DMA Bad SRC register\n");
4438 						return -EINVAL;
4439 					}
4440 				}
4441 			}
4442 		}
4443 	}
4444 	if (command & PACKET3_CP_DMA_CMD_DAS) {
4445 		/* dst address space is register */
4446 		if (((info & 0x00300000) >> 20) == 0) {
4447 			start_reg = ib[idx + 2];
4448 			if (command & PACKET3_CP_DMA_CMD_DAIC) {
4449 				reg = start_reg;
4450 				if (!si_vm_reg_valid(reg)) {
4451 					DRM_ERROR("CP DMA Bad DST register\n");
4452 					return -EINVAL;
4453 				}
4454 			} else {
4455 				for (i = 0; i < (command & 0x1fffff); i++) {
4456 					reg = start_reg + (4 * i);
4457 				if (!si_vm_reg_valid(reg)) {
4458 						DRM_ERROR("CP DMA Bad DST register\n");
4459 						return -EINVAL;
4460 					}
4461 				}
4462 			}
4463 		}
4464 	}
4465 	return 0;
4466 }
4467 
4468 static int si_vm_packet3_gfx_check(struct radeon_device *rdev,
4469 				   u32 *ib, struct radeon_cs_packet *pkt)
4470 {
4471 	int r;
4472 	u32 idx = pkt->idx + 1;
4473 	u32 idx_value = ib[idx];
4474 	u32 start_reg, end_reg, reg, i;
4475 
4476 	switch (pkt->opcode) {
4477 	case PACKET3_NOP:
4478 	case PACKET3_SET_BASE:
4479 	case PACKET3_CLEAR_STATE:
4480 	case PACKET3_INDEX_BUFFER_SIZE:
4481 	case PACKET3_DISPATCH_DIRECT:
4482 	case PACKET3_DISPATCH_INDIRECT:
4483 	case PACKET3_ALLOC_GDS:
4484 	case PACKET3_WRITE_GDS_RAM:
4485 	case PACKET3_ATOMIC_GDS:
4486 	case PACKET3_ATOMIC:
4487 	case PACKET3_OCCLUSION_QUERY:
4488 	case PACKET3_SET_PREDICATION:
4489 	case PACKET3_COND_EXEC:
4490 	case PACKET3_PRED_EXEC:
4491 	case PACKET3_DRAW_INDIRECT:
4492 	case PACKET3_DRAW_INDEX_INDIRECT:
4493 	case PACKET3_INDEX_BASE:
4494 	case PACKET3_DRAW_INDEX_2:
4495 	case PACKET3_CONTEXT_CONTROL:
4496 	case PACKET3_INDEX_TYPE:
4497 	case PACKET3_DRAW_INDIRECT_MULTI:
4498 	case PACKET3_DRAW_INDEX_AUTO:
4499 	case PACKET3_DRAW_INDEX_IMMD:
4500 	case PACKET3_NUM_INSTANCES:
4501 	case PACKET3_DRAW_INDEX_MULTI_AUTO:
4502 	case PACKET3_STRMOUT_BUFFER_UPDATE:
4503 	case PACKET3_DRAW_INDEX_OFFSET_2:
4504 	case PACKET3_DRAW_INDEX_MULTI_ELEMENT:
4505 	case PACKET3_DRAW_INDEX_INDIRECT_MULTI:
4506 	case PACKET3_MPEG_INDEX:
4507 	case PACKET3_WAIT_REG_MEM:
4508 	case PACKET3_MEM_WRITE:
4509 	case PACKET3_PFP_SYNC_ME:
4510 	case PACKET3_SURFACE_SYNC:
4511 	case PACKET3_EVENT_WRITE:
4512 	case PACKET3_EVENT_WRITE_EOP:
4513 	case PACKET3_EVENT_WRITE_EOS:
4514 	case PACKET3_SET_CONTEXT_REG:
4515 	case PACKET3_SET_CONTEXT_REG_INDIRECT:
4516 	case PACKET3_SET_SH_REG:
4517 	case PACKET3_SET_SH_REG_OFFSET:
4518 	case PACKET3_INCREMENT_DE_COUNTER:
4519 	case PACKET3_WAIT_ON_CE_COUNTER:
4520 	case PACKET3_WAIT_ON_AVAIL_BUFFER:
4521 	case PACKET3_ME_WRITE:
4522 		break;
4523 	case PACKET3_COPY_DATA:
4524 		if ((idx_value & 0xf00) == 0) {
4525 			reg = ib[idx + 3] * 4;
4526 			if (!si_vm_reg_valid(reg))
4527 				return -EINVAL;
4528 		}
4529 		break;
4530 	case PACKET3_WRITE_DATA:
4531 		if ((idx_value & 0xf00) == 0) {
4532 			start_reg = ib[idx + 1] * 4;
4533 			if (idx_value & 0x10000) {
4534 				if (!si_vm_reg_valid(start_reg))
4535 					return -EINVAL;
4536 			} else {
4537 				for (i = 0; i < (pkt->count - 2); i++) {
4538 					reg = start_reg + (4 * i);
4539 					if (!si_vm_reg_valid(reg))
4540 						return -EINVAL;
4541 				}
4542 			}
4543 		}
4544 		break;
4545 	case PACKET3_COND_WRITE:
4546 		if (idx_value & 0x100) {
4547 			reg = ib[idx + 5] * 4;
4548 			if (!si_vm_reg_valid(reg))
4549 				return -EINVAL;
4550 		}
4551 		break;
4552 	case PACKET3_COPY_DW:
4553 		if (idx_value & 0x2) {
4554 			reg = ib[idx + 3] * 4;
4555 			if (!si_vm_reg_valid(reg))
4556 				return -EINVAL;
4557 		}
4558 		break;
4559 	case PACKET3_SET_CONFIG_REG:
4560 		start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_START;
4561 		end_reg = 4 * pkt->count + start_reg - 4;
4562 		if ((start_reg < PACKET3_SET_CONFIG_REG_START) ||
4563 		    (start_reg >= PACKET3_SET_CONFIG_REG_END) ||
4564 		    (end_reg >= PACKET3_SET_CONFIG_REG_END)) {
4565 			DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
4566 			return -EINVAL;
4567 		}
4568 		for (i = 0; i < pkt->count; i++) {
4569 			reg = start_reg + (4 * i);
4570 			if (!si_vm_reg_valid(reg))
4571 				return -EINVAL;
4572 		}
4573 		break;
4574 	case PACKET3_CP_DMA:
4575 		r = si_vm_packet3_cp_dma_check(ib, idx);
4576 		if (r)
4577 			return r;
4578 		break;
4579 	default:
4580 		DRM_ERROR("Invalid GFX packet3: 0x%x\n", pkt->opcode);
4581 		return -EINVAL;
4582 	}
4583 	return 0;
4584 }
4585 
4586 static int si_vm_packet3_compute_check(struct radeon_device *rdev,
4587 				       u32 *ib, struct radeon_cs_packet *pkt)
4588 {
4589 	int r;
4590 	u32 idx = pkt->idx + 1;
4591 	u32 idx_value = ib[idx];
4592 	u32 start_reg, reg, i;
4593 
4594 	switch (pkt->opcode) {
4595 	case PACKET3_NOP:
4596 	case PACKET3_SET_BASE:
4597 	case PACKET3_CLEAR_STATE:
4598 	case PACKET3_DISPATCH_DIRECT:
4599 	case PACKET3_DISPATCH_INDIRECT:
4600 	case PACKET3_ALLOC_GDS:
4601 	case PACKET3_WRITE_GDS_RAM:
4602 	case PACKET3_ATOMIC_GDS:
4603 	case PACKET3_ATOMIC:
4604 	case PACKET3_OCCLUSION_QUERY:
4605 	case PACKET3_SET_PREDICATION:
4606 	case PACKET3_COND_EXEC:
4607 	case PACKET3_PRED_EXEC:
4608 	case PACKET3_CONTEXT_CONTROL:
4609 	case PACKET3_STRMOUT_BUFFER_UPDATE:
4610 	case PACKET3_WAIT_REG_MEM:
4611 	case PACKET3_MEM_WRITE:
4612 	case PACKET3_PFP_SYNC_ME:
4613 	case PACKET3_SURFACE_SYNC:
4614 	case PACKET3_EVENT_WRITE:
4615 	case PACKET3_EVENT_WRITE_EOP:
4616 	case PACKET3_EVENT_WRITE_EOS:
4617 	case PACKET3_SET_CONTEXT_REG:
4618 	case PACKET3_SET_CONTEXT_REG_INDIRECT:
4619 	case PACKET3_SET_SH_REG:
4620 	case PACKET3_SET_SH_REG_OFFSET:
4621 	case PACKET3_INCREMENT_DE_COUNTER:
4622 	case PACKET3_WAIT_ON_CE_COUNTER:
4623 	case PACKET3_WAIT_ON_AVAIL_BUFFER:
4624 	case PACKET3_ME_WRITE:
4625 		break;
4626 	case PACKET3_COPY_DATA:
4627 		if ((idx_value & 0xf00) == 0) {
4628 			reg = ib[idx + 3] * 4;
4629 			if (!si_vm_reg_valid(reg))
4630 				return -EINVAL;
4631 		}
4632 		break;
4633 	case PACKET3_WRITE_DATA:
4634 		if ((idx_value & 0xf00) == 0) {
4635 			start_reg = ib[idx + 1] * 4;
4636 			if (idx_value & 0x10000) {
4637 				if (!si_vm_reg_valid(start_reg))
4638 					return -EINVAL;
4639 			} else {
4640 				for (i = 0; i < (pkt->count - 2); i++) {
4641 					reg = start_reg + (4 * i);
4642 					if (!si_vm_reg_valid(reg))
4643 						return -EINVAL;
4644 				}
4645 			}
4646 		}
4647 		break;
4648 	case PACKET3_COND_WRITE:
4649 		if (idx_value & 0x100) {
4650 			reg = ib[idx + 5] * 4;
4651 			if (!si_vm_reg_valid(reg))
4652 				return -EINVAL;
4653 		}
4654 		break;
4655 	case PACKET3_COPY_DW:
4656 		if (idx_value & 0x2) {
4657 			reg = ib[idx + 3] * 4;
4658 			if (!si_vm_reg_valid(reg))
4659 				return -EINVAL;
4660 		}
4661 		break;
4662 	case PACKET3_CP_DMA:
4663 		r = si_vm_packet3_cp_dma_check(ib, idx);
4664 		if (r)
4665 			return r;
4666 		break;
4667 	default:
4668 		DRM_ERROR("Invalid Compute packet3: 0x%x\n", pkt->opcode);
4669 		return -EINVAL;
4670 	}
4671 	return 0;
4672 }
4673 
4674 int si_ib_parse(struct radeon_device *rdev, struct radeon_ib *ib)
4675 {
4676 	int ret = 0;
4677 	u32 idx = 0;
4678 	struct radeon_cs_packet pkt;
4679 
4680 	do {
4681 		pkt.idx = idx;
4682 		pkt.type = RADEON_CP_PACKET_GET_TYPE(ib->ptr[idx]);
4683 		pkt.count = RADEON_CP_PACKET_GET_COUNT(ib->ptr[idx]);
4684 		pkt.one_reg_wr = 0;
4685 		switch (pkt.type) {
4686 		case RADEON_PACKET_TYPE0:
4687 			dev_err(rdev->dev, "Packet0 not allowed!\n");
4688 			ret = -EINVAL;
4689 			break;
4690 		case RADEON_PACKET_TYPE2:
4691 			idx += 1;
4692 			break;
4693 		case RADEON_PACKET_TYPE3:
4694 			pkt.opcode = RADEON_CP_PACKET3_GET_OPCODE(ib->ptr[idx]);
4695 			if (ib->is_const_ib)
4696 				ret = si_vm_packet3_ce_check(rdev, ib->ptr, &pkt);
4697 			else {
4698 				switch (ib->ring) {
4699 				case RADEON_RING_TYPE_GFX_INDEX:
4700 					ret = si_vm_packet3_gfx_check(rdev, ib->ptr, &pkt);
4701 					break;
4702 				case CAYMAN_RING_TYPE_CP1_INDEX:
4703 				case CAYMAN_RING_TYPE_CP2_INDEX:
4704 					ret = si_vm_packet3_compute_check(rdev, ib->ptr, &pkt);
4705 					break;
4706 				default:
4707 					dev_err(rdev->dev, "Non-PM4 ring %d !\n", ib->ring);
4708 					ret = -EINVAL;
4709 					break;
4710 				}
4711 			}
4712 			idx += pkt.count + 2;
4713 			break;
4714 		default:
4715 			dev_err(rdev->dev, "Unknown packet type %d !\n", pkt.type);
4716 			ret = -EINVAL;
4717 			break;
4718 		}
4719 		if (ret)
4720 			break;
4721 	} while (idx < ib->length_dw);
4722 
4723 	return ret;
4724 }
4725 
4726 /*
4727  * vm
4728  */
4729 int si_vm_init(struct radeon_device *rdev)
4730 {
4731 	/* number of VMs */
4732 	rdev->vm_manager.nvm = 16;
4733 	/* base offset of vram pages */
4734 	rdev->vm_manager.vram_base_offset = 0;
4735 
4736 	return 0;
4737 }
4738 
4739 void si_vm_fini(struct radeon_device *rdev)
4740 {
4741 }
4742 
4743 /**
4744  * si_vm_decode_fault - print human readable fault info
4745  *
4746  * @rdev: radeon_device pointer
4747  * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
4748  * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
4749  *
4750  * Print human readable fault information (SI).
4751  */
4752 static void si_vm_decode_fault(struct radeon_device *rdev,
4753 			       u32 status, u32 addr)
4754 {
4755 	u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
4756 	u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
4757 	u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
4758 	char *block;
4759 
4760 	if (rdev->family == CHIP_TAHITI) {
4761 		switch (mc_id) {
4762 		case 160:
4763 		case 144:
4764 		case 96:
4765 		case 80:
4766 		case 224:
4767 		case 208:
4768 		case 32:
4769 		case 16:
4770 			block = "CB";
4771 			break;
4772 		case 161:
4773 		case 145:
4774 		case 97:
4775 		case 81:
4776 		case 225:
4777 		case 209:
4778 		case 33:
4779 		case 17:
4780 			block = "CB_FMASK";
4781 			break;
4782 		case 162:
4783 		case 146:
4784 		case 98:
4785 		case 82:
4786 		case 226:
4787 		case 210:
4788 		case 34:
4789 		case 18:
4790 			block = "CB_CMASK";
4791 			break;
4792 		case 163:
4793 		case 147:
4794 		case 99:
4795 		case 83:
4796 		case 227:
4797 		case 211:
4798 		case 35:
4799 		case 19:
4800 			block = "CB_IMMED";
4801 			break;
4802 		case 164:
4803 		case 148:
4804 		case 100:
4805 		case 84:
4806 		case 228:
4807 		case 212:
4808 		case 36:
4809 		case 20:
4810 			block = "DB";
4811 			break;
4812 		case 165:
4813 		case 149:
4814 		case 101:
4815 		case 85:
4816 		case 229:
4817 		case 213:
4818 		case 37:
4819 		case 21:
4820 			block = "DB_HTILE";
4821 			break;
4822 		case 167:
4823 		case 151:
4824 		case 103:
4825 		case 87:
4826 		case 231:
4827 		case 215:
4828 		case 39:
4829 		case 23:
4830 			block = "DB_STEN";
4831 			break;
4832 		case 72:
4833 		case 68:
4834 		case 64:
4835 		case 8:
4836 		case 4:
4837 		case 0:
4838 		case 136:
4839 		case 132:
4840 		case 128:
4841 		case 200:
4842 		case 196:
4843 		case 192:
4844 			block = "TC";
4845 			break;
4846 		case 112:
4847 		case 48:
4848 			block = "CP";
4849 			break;
4850 		case 49:
4851 		case 177:
4852 		case 50:
4853 		case 178:
4854 			block = "SH";
4855 			break;
4856 		case 53:
4857 		case 190:
4858 			block = "VGT";
4859 			break;
4860 		case 117:
4861 			block = "IH";
4862 			break;
4863 		case 51:
4864 		case 115:
4865 			block = "RLC";
4866 			break;
4867 		case 119:
4868 		case 183:
4869 			block = "DMA0";
4870 			break;
4871 		case 61:
4872 			block = "DMA1";
4873 			break;
4874 		case 248:
4875 		case 120:
4876 			block = "HDP";
4877 			break;
4878 		default:
4879 			block = "unknown";
4880 			break;
4881 		}
4882 	} else {
4883 		switch (mc_id) {
4884 		case 32:
4885 		case 16:
4886 		case 96:
4887 		case 80:
4888 		case 160:
4889 		case 144:
4890 		case 224:
4891 		case 208:
4892 			block = "CB";
4893 			break;
4894 		case 33:
4895 		case 17:
4896 		case 97:
4897 		case 81:
4898 		case 161:
4899 		case 145:
4900 		case 225:
4901 		case 209:
4902 			block = "CB_FMASK";
4903 			break;
4904 		case 34:
4905 		case 18:
4906 		case 98:
4907 		case 82:
4908 		case 162:
4909 		case 146:
4910 		case 226:
4911 		case 210:
4912 			block = "CB_CMASK";
4913 			break;
4914 		case 35:
4915 		case 19:
4916 		case 99:
4917 		case 83:
4918 		case 163:
4919 		case 147:
4920 		case 227:
4921 		case 211:
4922 			block = "CB_IMMED";
4923 			break;
4924 		case 36:
4925 		case 20:
4926 		case 100:
4927 		case 84:
4928 		case 164:
4929 		case 148:
4930 		case 228:
4931 		case 212:
4932 			block = "DB";
4933 			break;
4934 		case 37:
4935 		case 21:
4936 		case 101:
4937 		case 85:
4938 		case 165:
4939 		case 149:
4940 		case 229:
4941 		case 213:
4942 			block = "DB_HTILE";
4943 			break;
4944 		case 39:
4945 		case 23:
4946 		case 103:
4947 		case 87:
4948 		case 167:
4949 		case 151:
4950 		case 231:
4951 		case 215:
4952 			block = "DB_STEN";
4953 			break;
4954 		case 72:
4955 		case 68:
4956 		case 8:
4957 		case 4:
4958 		case 136:
4959 		case 132:
4960 		case 200:
4961 		case 196:
4962 			block = "TC";
4963 			break;
4964 		case 112:
4965 		case 48:
4966 			block = "CP";
4967 			break;
4968 		case 49:
4969 		case 177:
4970 		case 50:
4971 		case 178:
4972 			block = "SH";
4973 			break;
4974 		case 53:
4975 			block = "VGT";
4976 			break;
4977 		case 117:
4978 			block = "IH";
4979 			break;
4980 		case 51:
4981 		case 115:
4982 			block = "RLC";
4983 			break;
4984 		case 119:
4985 		case 183:
4986 			block = "DMA0";
4987 			break;
4988 		case 61:
4989 			block = "DMA1";
4990 			break;
4991 		case 248:
4992 		case 120:
4993 			block = "HDP";
4994 			break;
4995 		default:
4996 			block = "unknown";
4997 			break;
4998 		}
4999 	}
5000 
5001 	printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
5002 	       protections, vmid, addr,
5003 	       (status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
5004 	       block, mc_id);
5005 }
5006 
5007 void si_vm_flush(struct radeon_device *rdev, int ridx, struct radeon_vm *vm)
5008 {
5009 	struct radeon_ring *ring = &rdev->ring[ridx];
5010 
5011 	if (vm == NULL)
5012 		return;
5013 
5014 	/* write new base address */
5015 	radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
5016 	radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(1) |
5017 				 WRITE_DATA_DST_SEL(0)));
5018 
5019 	if (vm->id < 8) {
5020 		radeon_ring_write(ring,
5021 				  (VM_CONTEXT0_PAGE_TABLE_BASE_ADDR + (vm->id << 2)) >> 2);
5022 	} else {
5023 		radeon_ring_write(ring,
5024 				  (VM_CONTEXT8_PAGE_TABLE_BASE_ADDR + ((vm->id - 8) << 2)) >> 2);
5025 	}
5026 	radeon_ring_write(ring, 0);
5027 	radeon_ring_write(ring, vm->pd_gpu_addr >> 12);
5028 
5029 	/* flush hdp cache */
5030 	radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
5031 	radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
5032 				 WRITE_DATA_DST_SEL(0)));
5033 	radeon_ring_write(ring, HDP_MEM_COHERENCY_FLUSH_CNTL >> 2);
5034 	radeon_ring_write(ring, 0);
5035 	radeon_ring_write(ring, 0x1);
5036 
5037 	/* bits 0-15 are the VM contexts0-15 */
5038 	radeon_ring_write(ring, PACKET3(PACKET3_WRITE_DATA, 3));
5039 	radeon_ring_write(ring, (WRITE_DATA_ENGINE_SEL(0) |
5040 				 WRITE_DATA_DST_SEL(0)));
5041 	radeon_ring_write(ring, VM_INVALIDATE_REQUEST >> 2);
5042 	radeon_ring_write(ring, 0);
5043 	radeon_ring_write(ring, 1 << vm->id);
5044 
5045 	/* sync PFP to ME, otherwise we might get invalid PFP reads */
5046 	radeon_ring_write(ring, PACKET3(PACKET3_PFP_SYNC_ME, 0));
5047 	radeon_ring_write(ring, 0x0);
5048 }
5049 
5050 /*
5051  *  Power and clock gating
5052  */
5053 static void si_wait_for_rlc_serdes(struct radeon_device *rdev)
5054 {
5055 	int i;
5056 
5057 	for (i = 0; i < rdev->usec_timeout; i++) {
5058 		if (RREG32(RLC_SERDES_MASTER_BUSY_0) == 0)
5059 			break;
5060 		udelay(1);
5061 	}
5062 
5063 	for (i = 0; i < rdev->usec_timeout; i++) {
5064 		if (RREG32(RLC_SERDES_MASTER_BUSY_1) == 0)
5065 			break;
5066 		udelay(1);
5067 	}
5068 }
5069 
5070 static void si_enable_gui_idle_interrupt(struct radeon_device *rdev,
5071 					 bool enable)
5072 {
5073 	u32 tmp = RREG32(CP_INT_CNTL_RING0);
5074 	u32 mask;
5075 	int i;
5076 
5077 	if (enable)
5078 		tmp |= (CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
5079 	else
5080 		tmp &= ~(CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
5081 	WREG32(CP_INT_CNTL_RING0, tmp);
5082 
5083 	if (!enable) {
5084 		/* read a gfx register */
5085 		tmp = RREG32(DB_DEPTH_INFO);
5086 
5087 		mask = RLC_BUSY_STATUS | GFX_POWER_STATUS | GFX_CLOCK_STATUS | GFX_LS_STATUS;
5088 		for (i = 0; i < rdev->usec_timeout; i++) {
5089 			if ((RREG32(RLC_STAT) & mask) == (GFX_CLOCK_STATUS | GFX_POWER_STATUS))
5090 				break;
5091 			udelay(1);
5092 		}
5093 	}
5094 }
5095 
5096 static void si_set_uvd_dcm(struct radeon_device *rdev,
5097 			   bool sw_mode)
5098 {
5099 	u32 tmp, tmp2;
5100 
5101 	tmp = RREG32(UVD_CGC_CTRL);
5102 	tmp &= ~(CLK_OD_MASK | CG_DT_MASK);
5103 	tmp |= DCM | CG_DT(1) | CLK_OD(4);
5104 
5105 	if (sw_mode) {
5106 		tmp &= ~0x7ffff800;
5107 		tmp2 = DYN_OR_EN | DYN_RR_EN | G_DIV_ID(7);
5108 	} else {
5109 		tmp |= 0x7ffff800;
5110 		tmp2 = 0;
5111 	}
5112 
5113 	WREG32(UVD_CGC_CTRL, tmp);
5114 	WREG32_UVD_CTX(UVD_CGC_CTRL2, tmp2);
5115 }
5116 
5117 void si_init_uvd_internal_cg(struct radeon_device *rdev)
5118 {
5119 	bool hw_mode = true;
5120 
5121 	if (hw_mode) {
5122 		si_set_uvd_dcm(rdev, false);
5123 	} else {
5124 		u32 tmp = RREG32(UVD_CGC_CTRL);
5125 		tmp &= ~DCM;
5126 		WREG32(UVD_CGC_CTRL, tmp);
5127 	}
5128 }
5129 
5130 static u32 si_halt_rlc(struct radeon_device *rdev)
5131 {
5132 	u32 data, orig;
5133 
5134 	orig = data = RREG32(RLC_CNTL);
5135 
5136 	if (data & RLC_ENABLE) {
5137 		data &= ~RLC_ENABLE;
5138 		WREG32(RLC_CNTL, data);
5139 
5140 		si_wait_for_rlc_serdes(rdev);
5141 	}
5142 
5143 	return orig;
5144 }
5145 
5146 static void si_update_rlc(struct radeon_device *rdev, u32 rlc)
5147 {
5148 	u32 tmp;
5149 
5150 	tmp = RREG32(RLC_CNTL);
5151 	if (tmp != rlc)
5152 		WREG32(RLC_CNTL, rlc);
5153 }
5154 
5155 static void si_enable_dma_pg(struct radeon_device *rdev, bool enable)
5156 {
5157 	u32 data, orig;
5158 
5159 	orig = data = RREG32(DMA_PG);
5160 	if (enable && (rdev->pg_flags & RADEON_PG_SUPPORT_SDMA))
5161 		data |= PG_CNTL_ENABLE;
5162 	else
5163 		data &= ~PG_CNTL_ENABLE;
5164 	if (orig != data)
5165 		WREG32(DMA_PG, data);
5166 }
5167 
5168 static void si_init_dma_pg(struct radeon_device *rdev)
5169 {
5170 	u32 tmp;
5171 
5172 	WREG32(DMA_PGFSM_WRITE,  0x00002000);
5173 	WREG32(DMA_PGFSM_CONFIG, 0x100010ff);
5174 
5175 	for (tmp = 0; tmp < 5; tmp++)
5176 		WREG32(DMA_PGFSM_WRITE, 0);
5177 }
5178 
5179 static void si_enable_gfx_cgpg(struct radeon_device *rdev,
5180 			       bool enable)
5181 {
5182 	u32 tmp;
5183 
5184 	if (enable && (rdev->pg_flags & RADEON_PG_SUPPORT_GFX_PG)) {
5185 		tmp = RLC_PUD(0x10) | RLC_PDD(0x10) | RLC_TTPD(0x10) | RLC_MSD(0x10);
5186 		WREG32(RLC_TTOP_D, tmp);
5187 
5188 		tmp = RREG32(RLC_PG_CNTL);
5189 		tmp |= GFX_PG_ENABLE;
5190 		WREG32(RLC_PG_CNTL, tmp);
5191 
5192 		tmp = RREG32(RLC_AUTO_PG_CTRL);
5193 		tmp |= AUTO_PG_EN;
5194 		WREG32(RLC_AUTO_PG_CTRL, tmp);
5195 	} else {
5196 		tmp = RREG32(RLC_AUTO_PG_CTRL);
5197 		tmp &= ~AUTO_PG_EN;
5198 		WREG32(RLC_AUTO_PG_CTRL, tmp);
5199 
5200 		tmp = RREG32(DB_RENDER_CONTROL);
5201 	}
5202 }
5203 
5204 static void si_init_gfx_cgpg(struct radeon_device *rdev)
5205 {
5206 	u32 tmp;
5207 
5208 	WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
5209 
5210 	tmp = RREG32(RLC_PG_CNTL);
5211 	tmp |= GFX_PG_SRC;
5212 	WREG32(RLC_PG_CNTL, tmp);
5213 
5214 	WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
5215 
5216 	tmp = RREG32(RLC_AUTO_PG_CTRL);
5217 
5218 	tmp &= ~GRBM_REG_SGIT_MASK;
5219 	tmp |= GRBM_REG_SGIT(0x700);
5220 	tmp &= ~PG_AFTER_GRBM_REG_ST_MASK;
5221 	WREG32(RLC_AUTO_PG_CTRL, tmp);
5222 }
5223 
5224 static u32 si_get_cu_active_bitmap(struct radeon_device *rdev, u32 se, u32 sh)
5225 {
5226 	u32 mask = 0, tmp, tmp1;
5227 	int i;
5228 
5229 	si_select_se_sh(rdev, se, sh);
5230 	tmp = RREG32(CC_GC_SHADER_ARRAY_CONFIG);
5231 	tmp1 = RREG32(GC_USER_SHADER_ARRAY_CONFIG);
5232 	si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
5233 
5234 	tmp &= 0xffff0000;
5235 
5236 	tmp |= tmp1;
5237 	tmp >>= 16;
5238 
5239 	for (i = 0; i < rdev->config.si.max_cu_per_sh; i ++) {
5240 		mask <<= 1;
5241 		mask |= 1;
5242 	}
5243 
5244 	return (~tmp) & mask;
5245 }
5246 
5247 static void si_init_ao_cu_mask(struct radeon_device *rdev)
5248 {
5249 	u32 i, j, k, active_cu_number = 0;
5250 	u32 mask, counter, cu_bitmap;
5251 	u32 tmp = 0;
5252 
5253 	for (i = 0; i < rdev->config.si.max_shader_engines; i++) {
5254 		for (j = 0; j < rdev->config.si.max_sh_per_se; j++) {
5255 			mask = 1;
5256 			cu_bitmap = 0;
5257 			counter  = 0;
5258 			for (k = 0; k < rdev->config.si.max_cu_per_sh; k++) {
5259 				if (si_get_cu_active_bitmap(rdev, i, j) & mask) {
5260 					if (counter < 2)
5261 						cu_bitmap |= mask;
5262 					counter++;
5263 				}
5264 				mask <<= 1;
5265 			}
5266 
5267 			active_cu_number += counter;
5268 			tmp |= (cu_bitmap << (i * 16 + j * 8));
5269 		}
5270 	}
5271 
5272 	WREG32(RLC_PG_AO_CU_MASK, tmp);
5273 
5274 	tmp = RREG32(RLC_MAX_PG_CU);
5275 	tmp &= ~MAX_PU_CU_MASK;
5276 	tmp |= MAX_PU_CU(active_cu_number);
5277 	WREG32(RLC_MAX_PG_CU, tmp);
5278 }
5279 
5280 static void si_enable_cgcg(struct radeon_device *rdev,
5281 			   bool enable)
5282 {
5283 	u32 data, orig, tmp;
5284 
5285 	orig = data = RREG32(RLC_CGCG_CGLS_CTRL);
5286 
5287 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_GFX_CGCG)) {
5288 		si_enable_gui_idle_interrupt(rdev, true);
5289 
5290 		WREG32(RLC_GCPM_GENERAL_3, 0x00000080);
5291 
5292 		tmp = si_halt_rlc(rdev);
5293 
5294 		WREG32(RLC_SERDES_WR_MASTER_MASK_0, 0xffffffff);
5295 		WREG32(RLC_SERDES_WR_MASTER_MASK_1, 0xffffffff);
5296 		WREG32(RLC_SERDES_WR_CTRL, 0x00b000ff);
5297 
5298 		si_wait_for_rlc_serdes(rdev);
5299 
5300 		si_update_rlc(rdev, tmp);
5301 
5302 		WREG32(RLC_SERDES_WR_CTRL, 0x007000ff);
5303 
5304 		data |= CGCG_EN | CGLS_EN;
5305 	} else {
5306 		si_enable_gui_idle_interrupt(rdev, false);
5307 
5308 		RREG32(CB_CGTT_SCLK_CTRL);
5309 		RREG32(CB_CGTT_SCLK_CTRL);
5310 		RREG32(CB_CGTT_SCLK_CTRL);
5311 		RREG32(CB_CGTT_SCLK_CTRL);
5312 
5313 		data &= ~(CGCG_EN | CGLS_EN);
5314 	}
5315 
5316 	if (orig != data)
5317 		WREG32(RLC_CGCG_CGLS_CTRL, data);
5318 }
5319 
5320 static void si_enable_mgcg(struct radeon_device *rdev,
5321 			   bool enable)
5322 {
5323 	u32 data, orig, tmp = 0;
5324 
5325 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_GFX_MGCG)) {
5326 		orig = data = RREG32(CGTS_SM_CTRL_REG);
5327 		data = 0x96940200;
5328 		if (orig != data)
5329 			WREG32(CGTS_SM_CTRL_REG, data);
5330 
5331 		if (rdev->cg_flags & RADEON_CG_SUPPORT_GFX_CP_LS) {
5332 			orig = data = RREG32(CP_MEM_SLP_CNTL);
5333 			data |= CP_MEM_LS_EN;
5334 			if (orig != data)
5335 				WREG32(CP_MEM_SLP_CNTL, data);
5336 		}
5337 
5338 		orig = data = RREG32(RLC_CGTT_MGCG_OVERRIDE);
5339 		data &= 0xffffffc0;
5340 		if (orig != data)
5341 			WREG32(RLC_CGTT_MGCG_OVERRIDE, data);
5342 
5343 		tmp = si_halt_rlc(rdev);
5344 
5345 		WREG32(RLC_SERDES_WR_MASTER_MASK_0, 0xffffffff);
5346 		WREG32(RLC_SERDES_WR_MASTER_MASK_1, 0xffffffff);
5347 		WREG32(RLC_SERDES_WR_CTRL, 0x00d000ff);
5348 
5349 		si_update_rlc(rdev, tmp);
5350 	} else {
5351 		orig = data = RREG32(RLC_CGTT_MGCG_OVERRIDE);
5352 		data |= 0x00000003;
5353 		if (orig != data)
5354 			WREG32(RLC_CGTT_MGCG_OVERRIDE, data);
5355 
5356 		data = RREG32(CP_MEM_SLP_CNTL);
5357 		if (data & CP_MEM_LS_EN) {
5358 			data &= ~CP_MEM_LS_EN;
5359 			WREG32(CP_MEM_SLP_CNTL, data);
5360 		}
5361 		orig = data = RREG32(CGTS_SM_CTRL_REG);
5362 		data |= LS_OVERRIDE | OVERRIDE;
5363 		if (orig != data)
5364 			WREG32(CGTS_SM_CTRL_REG, data);
5365 
5366 		tmp = si_halt_rlc(rdev);
5367 
5368 		WREG32(RLC_SERDES_WR_MASTER_MASK_0, 0xffffffff);
5369 		WREG32(RLC_SERDES_WR_MASTER_MASK_1, 0xffffffff);
5370 		WREG32(RLC_SERDES_WR_CTRL, 0x00e000ff);
5371 
5372 		si_update_rlc(rdev, tmp);
5373 	}
5374 }
5375 
5376 static void si_enable_uvd_mgcg(struct radeon_device *rdev,
5377 			       bool enable)
5378 {
5379 	u32 orig, data, tmp;
5380 
5381 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_UVD_MGCG)) {
5382 		tmp = RREG32_UVD_CTX(UVD_CGC_MEM_CTRL);
5383 		tmp |= 0x3fff;
5384 		WREG32_UVD_CTX(UVD_CGC_MEM_CTRL, tmp);
5385 
5386 		orig = data = RREG32(UVD_CGC_CTRL);
5387 		data |= DCM;
5388 		if (orig != data)
5389 			WREG32(UVD_CGC_CTRL, data);
5390 
5391 		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_0, 0);
5392 		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_1, 0);
5393 	} else {
5394 		tmp = RREG32_UVD_CTX(UVD_CGC_MEM_CTRL);
5395 		tmp &= ~0x3fff;
5396 		WREG32_UVD_CTX(UVD_CGC_MEM_CTRL, tmp);
5397 
5398 		orig = data = RREG32(UVD_CGC_CTRL);
5399 		data &= ~DCM;
5400 		if (orig != data)
5401 			WREG32(UVD_CGC_CTRL, data);
5402 
5403 		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_0, 0xffffffff);
5404 		WREG32_SMC(SMC_CG_IND_START + CG_CGTT_LOCAL_1, 0xffffffff);
5405 	}
5406 }
5407 
5408 static const u32 mc_cg_registers[] =
5409 {
5410 	MC_HUB_MISC_HUB_CG,
5411 	MC_HUB_MISC_SIP_CG,
5412 	MC_HUB_MISC_VM_CG,
5413 	MC_XPB_CLK_GAT,
5414 	ATC_MISC_CG,
5415 	MC_CITF_MISC_WR_CG,
5416 	MC_CITF_MISC_RD_CG,
5417 	MC_CITF_MISC_VM_CG,
5418 	VM_L2_CG,
5419 };
5420 
5421 static void si_enable_mc_ls(struct radeon_device *rdev,
5422 			    bool enable)
5423 {
5424 	int i;
5425 	u32 orig, data;
5426 
5427 	for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
5428 		orig = data = RREG32(mc_cg_registers[i]);
5429 		if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_MC_LS))
5430 			data |= MC_LS_ENABLE;
5431 		else
5432 			data &= ~MC_LS_ENABLE;
5433 		if (data != orig)
5434 			WREG32(mc_cg_registers[i], data);
5435 	}
5436 }
5437 
5438 static void si_enable_mc_mgcg(struct radeon_device *rdev,
5439 			       bool enable)
5440 {
5441 	int i;
5442 	u32 orig, data;
5443 
5444 	for (i = 0; i < ARRAY_SIZE(mc_cg_registers); i++) {
5445 		orig = data = RREG32(mc_cg_registers[i]);
5446 		if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_MC_MGCG))
5447 			data |= MC_CG_ENABLE;
5448 		else
5449 			data &= ~MC_CG_ENABLE;
5450 		if (data != orig)
5451 			WREG32(mc_cg_registers[i], data);
5452 	}
5453 }
5454 
5455 static void si_enable_dma_mgcg(struct radeon_device *rdev,
5456 			       bool enable)
5457 {
5458 	u32 orig, data, offset;
5459 	int i;
5460 
5461 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_SDMA_MGCG)) {
5462 		for (i = 0; i < 2; i++) {
5463 			if (i == 0)
5464 				offset = DMA0_REGISTER_OFFSET;
5465 			else
5466 				offset = DMA1_REGISTER_OFFSET;
5467 			orig = data = RREG32(DMA_POWER_CNTL + offset);
5468 			data &= ~MEM_POWER_OVERRIDE;
5469 			if (data != orig)
5470 				WREG32(DMA_POWER_CNTL + offset, data);
5471 			WREG32(DMA_CLK_CTRL + offset, 0x00000100);
5472 		}
5473 	} else {
5474 		for (i = 0; i < 2; i++) {
5475 			if (i == 0)
5476 				offset = DMA0_REGISTER_OFFSET;
5477 			else
5478 				offset = DMA1_REGISTER_OFFSET;
5479 			orig = data = RREG32(DMA_POWER_CNTL + offset);
5480 			data |= MEM_POWER_OVERRIDE;
5481 			if (data != orig)
5482 				WREG32(DMA_POWER_CNTL + offset, data);
5483 
5484 			orig = data = RREG32(DMA_CLK_CTRL + offset);
5485 			data = 0xff000000;
5486 			if (data != orig)
5487 				WREG32(DMA_CLK_CTRL + offset, data);
5488 		}
5489 	}
5490 }
5491 
5492 static void si_enable_bif_mgls(struct radeon_device *rdev,
5493 			       bool enable)
5494 {
5495 	u32 orig, data;
5496 
5497 	orig = data = RREG32_PCIE(PCIE_CNTL2);
5498 
5499 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_BIF_LS))
5500 		data |= SLV_MEM_LS_EN | MST_MEM_LS_EN |
5501 			REPLAY_MEM_LS_EN | SLV_MEM_AGGRESSIVE_LS_EN;
5502 	else
5503 		data &= ~(SLV_MEM_LS_EN | MST_MEM_LS_EN |
5504 			  REPLAY_MEM_LS_EN | SLV_MEM_AGGRESSIVE_LS_EN);
5505 
5506 	if (orig != data)
5507 		WREG32_PCIE(PCIE_CNTL2, data);
5508 }
5509 
5510 static void si_enable_hdp_mgcg(struct radeon_device *rdev,
5511 			       bool enable)
5512 {
5513 	u32 orig, data;
5514 
5515 	orig = data = RREG32(HDP_HOST_PATH_CNTL);
5516 
5517 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_HDP_MGCG))
5518 		data &= ~CLOCK_GATING_DIS;
5519 	else
5520 		data |= CLOCK_GATING_DIS;
5521 
5522 	if (orig != data)
5523 		WREG32(HDP_HOST_PATH_CNTL, data);
5524 }
5525 
5526 static void si_enable_hdp_ls(struct radeon_device *rdev,
5527 			     bool enable)
5528 {
5529 	u32 orig, data;
5530 
5531 	orig = data = RREG32(HDP_MEM_POWER_LS);
5532 
5533 	if (enable && (rdev->cg_flags & RADEON_CG_SUPPORT_HDP_LS))
5534 		data |= HDP_LS_ENABLE;
5535 	else
5536 		data &= ~HDP_LS_ENABLE;
5537 
5538 	if (orig != data)
5539 		WREG32(HDP_MEM_POWER_LS, data);
5540 }
5541 
5542 static void si_update_cg(struct radeon_device *rdev,
5543 			 u32 block, bool enable)
5544 {
5545 	if (block & RADEON_CG_BLOCK_GFX) {
5546 		si_enable_gui_idle_interrupt(rdev, false);
5547 		/* order matters! */
5548 		if (enable) {
5549 			si_enable_mgcg(rdev, true);
5550 			si_enable_cgcg(rdev, true);
5551 		} else {
5552 			si_enable_cgcg(rdev, false);
5553 			si_enable_mgcg(rdev, false);
5554 		}
5555 		si_enable_gui_idle_interrupt(rdev, true);
5556 	}
5557 
5558 	if (block & RADEON_CG_BLOCK_MC) {
5559 		si_enable_mc_mgcg(rdev, enable);
5560 		si_enable_mc_ls(rdev, enable);
5561 	}
5562 
5563 	if (block & RADEON_CG_BLOCK_SDMA) {
5564 		si_enable_dma_mgcg(rdev, enable);
5565 	}
5566 
5567 	if (block & RADEON_CG_BLOCK_BIF) {
5568 		si_enable_bif_mgls(rdev, enable);
5569 	}
5570 
5571 	if (block & RADEON_CG_BLOCK_UVD) {
5572 		if (rdev->has_uvd) {
5573 			si_enable_uvd_mgcg(rdev, enable);
5574 		}
5575 	}
5576 
5577 	if (block & RADEON_CG_BLOCK_HDP) {
5578 		si_enable_hdp_mgcg(rdev, enable);
5579 		si_enable_hdp_ls(rdev, enable);
5580 	}
5581 }
5582 
5583 static void si_init_cg(struct radeon_device *rdev)
5584 {
5585 	si_update_cg(rdev, (RADEON_CG_BLOCK_GFX |
5586 			    RADEON_CG_BLOCK_MC |
5587 			    RADEON_CG_BLOCK_SDMA |
5588 			    RADEON_CG_BLOCK_BIF |
5589 			    RADEON_CG_BLOCK_HDP), true);
5590 	if (rdev->has_uvd) {
5591 		si_update_cg(rdev, RADEON_CG_BLOCK_UVD, true);
5592 		si_init_uvd_internal_cg(rdev);
5593 	}
5594 }
5595 
5596 static void si_fini_cg(struct radeon_device *rdev)
5597 {
5598 	if (rdev->has_uvd) {
5599 		si_update_cg(rdev, RADEON_CG_BLOCK_UVD, false);
5600 	}
5601 	si_update_cg(rdev, (RADEON_CG_BLOCK_GFX |
5602 			    RADEON_CG_BLOCK_MC |
5603 			    RADEON_CG_BLOCK_SDMA |
5604 			    RADEON_CG_BLOCK_BIF |
5605 			    RADEON_CG_BLOCK_HDP), false);
5606 }
5607 
5608 u32 si_get_csb_size(struct radeon_device *rdev)
5609 {
5610 	u32 count = 0;
5611 	const struct cs_section_def *sect = NULL;
5612 	const struct cs_extent_def *ext = NULL;
5613 
5614 	if (rdev->rlc.cs_data == NULL)
5615 		return 0;
5616 
5617 	/* begin clear state */
5618 	count += 2;
5619 	/* context control state */
5620 	count += 3;
5621 
5622 	for (sect = rdev->rlc.cs_data; sect->section != NULL; ++sect) {
5623 		for (ext = sect->section; ext->extent != NULL; ++ext) {
5624 			if (sect->id == SECT_CONTEXT)
5625 				count += 2 + ext->reg_count;
5626 			else
5627 				return 0;
5628 		}
5629 	}
5630 	/* pa_sc_raster_config */
5631 	count += 3;
5632 	/* end clear state */
5633 	count += 2;
5634 	/* clear state */
5635 	count += 2;
5636 
5637 	return count;
5638 }
5639 
5640 void si_get_csb_buffer(struct radeon_device *rdev, volatile u32 *buffer)
5641 {
5642 	u32 count = 0, i;
5643 	const struct cs_section_def *sect = NULL;
5644 	const struct cs_extent_def *ext = NULL;
5645 
5646 	if (rdev->rlc.cs_data == NULL)
5647 		return;
5648 	if (buffer == NULL)
5649 		return;
5650 
5651 	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_PREAMBLE_CNTL, 0));
5652 	buffer[count++] = cpu_to_le32(PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
5653 
5654 	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_CONTEXT_CONTROL, 1));
5655 	buffer[count++] = cpu_to_le32(0x80000000);
5656 	buffer[count++] = cpu_to_le32(0x80000000);
5657 
5658 	for (sect = rdev->rlc.cs_data; sect->section != NULL; ++sect) {
5659 		for (ext = sect->section; ext->extent != NULL; ++ext) {
5660 			if (sect->id == SECT_CONTEXT) {
5661 				buffer[count++] =
5662 					cpu_to_le32(PACKET3(PACKET3_SET_CONTEXT_REG, ext->reg_count));
5663 				buffer[count++] = cpu_to_le32(ext->reg_index - 0xa000);
5664 				for (i = 0; i < ext->reg_count; i++)
5665 					buffer[count++] = cpu_to_le32(ext->extent[i]);
5666 			} else {
5667 				return;
5668 			}
5669 		}
5670 	}
5671 
5672 	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_SET_CONTEXT_REG, 1));
5673 	buffer[count++] = cpu_to_le32(PA_SC_RASTER_CONFIG - PACKET3_SET_CONTEXT_REG_START);
5674 	switch (rdev->family) {
5675 	case CHIP_TAHITI:
5676 	case CHIP_PITCAIRN:
5677 		buffer[count++] = cpu_to_le32(0x2a00126a);
5678 		break;
5679 	case CHIP_VERDE:
5680 		buffer[count++] = cpu_to_le32(0x0000124a);
5681 		break;
5682 	case CHIP_OLAND:
5683 		buffer[count++] = cpu_to_le32(0x00000082);
5684 		break;
5685 	case CHIP_HAINAN:
5686 		buffer[count++] = cpu_to_le32(0x00000000);
5687 		break;
5688 	default:
5689 		buffer[count++] = cpu_to_le32(0x00000000);
5690 		break;
5691 	}
5692 
5693 	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_PREAMBLE_CNTL, 0));
5694 	buffer[count++] = cpu_to_le32(PACKET3_PREAMBLE_END_CLEAR_STATE);
5695 
5696 	buffer[count++] = cpu_to_le32(PACKET3(PACKET3_CLEAR_STATE, 0));
5697 	buffer[count++] = cpu_to_le32(0);
5698 }
5699 
5700 static void si_init_pg(struct radeon_device *rdev)
5701 {
5702 	if (rdev->pg_flags) {
5703 		if (rdev->pg_flags & RADEON_PG_SUPPORT_SDMA) {
5704 			si_init_dma_pg(rdev);
5705 		}
5706 		si_init_ao_cu_mask(rdev);
5707 		if (rdev->pg_flags & RADEON_PG_SUPPORT_GFX_PG) {
5708 			si_init_gfx_cgpg(rdev);
5709 		} else {
5710 			WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
5711 			WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
5712 		}
5713 		si_enable_dma_pg(rdev, true);
5714 		si_enable_gfx_cgpg(rdev, true);
5715 	} else {
5716 		WREG32(RLC_SAVE_AND_RESTORE_BASE, rdev->rlc.save_restore_gpu_addr >> 8);
5717 		WREG32(RLC_CLEAR_STATE_RESTORE_BASE, rdev->rlc.clear_state_gpu_addr >> 8);
5718 	}
5719 }
5720 
5721 static void si_fini_pg(struct radeon_device *rdev)
5722 {
5723 	if (rdev->pg_flags) {
5724 		si_enable_dma_pg(rdev, false);
5725 		si_enable_gfx_cgpg(rdev, false);
5726 	}
5727 }
5728 
5729 /*
5730  * RLC
5731  */
5732 void si_rlc_reset(struct radeon_device *rdev)
5733 {
5734 	u32 tmp = RREG32(GRBM_SOFT_RESET);
5735 
5736 	tmp |= SOFT_RESET_RLC;
5737 	WREG32(GRBM_SOFT_RESET, tmp);
5738 	udelay(50);
5739 	tmp &= ~SOFT_RESET_RLC;
5740 	WREG32(GRBM_SOFT_RESET, tmp);
5741 	udelay(50);
5742 }
5743 
5744 static void si_rlc_stop(struct radeon_device *rdev)
5745 {
5746 	WREG32(RLC_CNTL, 0);
5747 
5748 	si_enable_gui_idle_interrupt(rdev, false);
5749 
5750 	si_wait_for_rlc_serdes(rdev);
5751 }
5752 
5753 static void si_rlc_start(struct radeon_device *rdev)
5754 {
5755 	WREG32(RLC_CNTL, RLC_ENABLE);
5756 
5757 	si_enable_gui_idle_interrupt(rdev, true);
5758 
5759 	udelay(50);
5760 }
5761 
5762 static bool si_lbpw_supported(struct radeon_device *rdev)
5763 {
5764 	u32 tmp;
5765 
5766 	/* Enable LBPW only for DDR3 */
5767 	tmp = RREG32(MC_SEQ_MISC0);
5768 	if ((tmp & 0xF0000000) == 0xB0000000)
5769 		return true;
5770 	return false;
5771 }
5772 
5773 static void si_enable_lbpw(struct radeon_device *rdev, bool enable)
5774 {
5775 	u32 tmp;
5776 
5777 	tmp = RREG32(RLC_LB_CNTL);
5778 	if (enable)
5779 		tmp |= LOAD_BALANCE_ENABLE;
5780 	else
5781 		tmp &= ~LOAD_BALANCE_ENABLE;
5782 	WREG32(RLC_LB_CNTL, tmp);
5783 
5784 	if (!enable) {
5785 		si_select_se_sh(rdev, 0xffffffff, 0xffffffff);
5786 		WREG32(SPI_LB_CU_MASK, 0x00ff);
5787 	}
5788 }
5789 
5790 static int si_rlc_resume(struct radeon_device *rdev)
5791 {
5792 	u32 i;
5793 
5794 	if (!rdev->rlc_fw)
5795 		return -EINVAL;
5796 
5797 	si_rlc_stop(rdev);
5798 
5799 	si_rlc_reset(rdev);
5800 
5801 	si_init_pg(rdev);
5802 
5803 	si_init_cg(rdev);
5804 
5805 	WREG32(RLC_RL_BASE, 0);
5806 	WREG32(RLC_RL_SIZE, 0);
5807 	WREG32(RLC_LB_CNTL, 0);
5808 	WREG32(RLC_LB_CNTR_MAX, 0xffffffff);
5809 	WREG32(RLC_LB_CNTR_INIT, 0);
5810 	WREG32(RLC_LB_INIT_CU_MASK, 0xffffffff);
5811 
5812 	WREG32(RLC_MC_CNTL, 0);
5813 	WREG32(RLC_UCODE_CNTL, 0);
5814 
5815 	if (rdev->new_fw) {
5816 		const struct rlc_firmware_header_v1_0 *hdr =
5817 			(const struct rlc_firmware_header_v1_0 *)rdev->rlc_fw->data;
5818 		u32 fw_size = le32_to_cpu(hdr->header.ucode_size_bytes) / 4;
5819 		const __le32 *fw_data = (const __le32 *)
5820 			(rdev->rlc_fw->data + le32_to_cpu(hdr->header.ucode_array_offset_bytes));
5821 
5822 		radeon_ucode_print_rlc_hdr(&hdr->header);
5823 
5824 		for (i = 0; i < fw_size; i++) {
5825 			WREG32(RLC_UCODE_ADDR, i);
5826 			WREG32(RLC_UCODE_DATA, le32_to_cpup(fw_data++));
5827 		}
5828 	} else {
5829 		const __be32 *fw_data =
5830 			(const __be32 *)rdev->rlc_fw->data;
5831 		for (i = 0; i < SI_RLC_UCODE_SIZE; i++) {
5832 			WREG32(RLC_UCODE_ADDR, i);
5833 			WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
5834 		}
5835 	}
5836 	WREG32(RLC_UCODE_ADDR, 0);
5837 
5838 	si_enable_lbpw(rdev, si_lbpw_supported(rdev));
5839 
5840 	si_rlc_start(rdev);
5841 
5842 	return 0;
5843 }
5844 
5845 static void si_enable_interrupts(struct radeon_device *rdev)
5846 {
5847 	u32 ih_cntl = RREG32(IH_CNTL);
5848 	u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
5849 
5850 	ih_cntl |= ENABLE_INTR;
5851 	ih_rb_cntl |= IH_RB_ENABLE;
5852 	WREG32(IH_CNTL, ih_cntl);
5853 	WREG32(IH_RB_CNTL, ih_rb_cntl);
5854 	rdev->ih.enabled = true;
5855 }
5856 
5857 static void si_disable_interrupts(struct radeon_device *rdev)
5858 {
5859 	u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
5860 	u32 ih_cntl = RREG32(IH_CNTL);
5861 
5862 	ih_rb_cntl &= ~IH_RB_ENABLE;
5863 	ih_cntl &= ~ENABLE_INTR;
5864 	WREG32(IH_RB_CNTL, ih_rb_cntl);
5865 	WREG32(IH_CNTL, ih_cntl);
5866 	/* set rptr, wptr to 0 */
5867 	WREG32(IH_RB_RPTR, 0);
5868 	WREG32(IH_RB_WPTR, 0);
5869 	rdev->ih.enabled = false;
5870 	rdev->ih.rptr = 0;
5871 }
5872 
5873 static void si_disable_interrupt_state(struct radeon_device *rdev)
5874 {
5875 	u32 tmp;
5876 
5877 	tmp = RREG32(CP_INT_CNTL_RING0) &
5878 		(CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
5879 	WREG32(CP_INT_CNTL_RING0, tmp);
5880 	WREG32(CP_INT_CNTL_RING1, 0);
5881 	WREG32(CP_INT_CNTL_RING2, 0);
5882 	tmp = RREG32(DMA_CNTL + DMA0_REGISTER_OFFSET) & ~TRAP_ENABLE;
5883 	WREG32(DMA_CNTL + DMA0_REGISTER_OFFSET, tmp);
5884 	tmp = RREG32(DMA_CNTL + DMA1_REGISTER_OFFSET) & ~TRAP_ENABLE;
5885 	WREG32(DMA_CNTL + DMA1_REGISTER_OFFSET, tmp);
5886 	WREG32(GRBM_INT_CNTL, 0);
5887 	if (rdev->num_crtc >= 2) {
5888 		WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
5889 		WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
5890 	}
5891 	if (rdev->num_crtc >= 4) {
5892 		WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
5893 		WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
5894 	}
5895 	if (rdev->num_crtc >= 6) {
5896 		WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
5897 		WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
5898 	}
5899 
5900 	if (rdev->num_crtc >= 2) {
5901 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
5902 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
5903 	}
5904 	if (rdev->num_crtc >= 4) {
5905 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
5906 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
5907 	}
5908 	if (rdev->num_crtc >= 6) {
5909 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
5910 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
5911 	}
5912 
5913 	if (!ASIC_IS_NODCE(rdev)) {
5914 		WREG32(DAC_AUTODETECT_INT_CONTROL, 0);
5915 
5916 		tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5917 		WREG32(DC_HPD1_INT_CONTROL, tmp);
5918 		tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5919 		WREG32(DC_HPD2_INT_CONTROL, tmp);
5920 		tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5921 		WREG32(DC_HPD3_INT_CONTROL, tmp);
5922 		tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5923 		WREG32(DC_HPD4_INT_CONTROL, tmp);
5924 		tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5925 		WREG32(DC_HPD5_INT_CONTROL, tmp);
5926 		tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
5927 		WREG32(DC_HPD6_INT_CONTROL, tmp);
5928 	}
5929 }
5930 
5931 static int si_irq_init(struct radeon_device *rdev)
5932 {
5933 	int ret = 0;
5934 	int rb_bufsz;
5935 	u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
5936 
5937 	/* allocate ring */
5938 	ret = r600_ih_ring_alloc(rdev);
5939 	if (ret)
5940 		return ret;
5941 
5942 	/* disable irqs */
5943 	si_disable_interrupts(rdev);
5944 
5945 	/* init rlc */
5946 	ret = si_rlc_resume(rdev);
5947 	if (ret) {
5948 		r600_ih_ring_fini(rdev);
5949 		return ret;
5950 	}
5951 
5952 	/* setup interrupt control */
5953 	/* set dummy read address to ring address */
5954 	WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8);
5955 	interrupt_cntl = RREG32(INTERRUPT_CNTL);
5956 	/* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi
5957 	 * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN
5958 	 */
5959 	interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE;
5960 	/* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */
5961 	interrupt_cntl &= ~IH_REQ_NONSNOOP_EN;
5962 	WREG32(INTERRUPT_CNTL, interrupt_cntl);
5963 
5964 	WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8);
5965 	rb_bufsz = order_base_2(rdev->ih.ring_size / 4);
5966 
5967 	ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE |
5968 		      IH_WPTR_OVERFLOW_CLEAR |
5969 		      (rb_bufsz << 1));
5970 
5971 	if (rdev->wb.enabled)
5972 		ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;
5973 
5974 	/* set the writeback address whether it's enabled or not */
5975 	WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC);
5976 	WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF);
5977 
5978 	WREG32(IH_RB_CNTL, ih_rb_cntl);
5979 
5980 	/* set rptr, wptr to 0 */
5981 	WREG32(IH_RB_RPTR, 0);
5982 	WREG32(IH_RB_WPTR, 0);
5983 
5984 	/* Default settings for IH_CNTL (disabled at first) */
5985 	ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10) | MC_VMID(0);
5986 	/* RPTR_REARM only works if msi's are enabled */
5987 	if (rdev->msi_enabled)
5988 		ih_cntl |= RPTR_REARM;
5989 	WREG32(IH_CNTL, ih_cntl);
5990 
5991 	/* force the active interrupt state to all disabled */
5992 	si_disable_interrupt_state(rdev);
5993 
5994 	pci_set_master(rdev->pdev);
5995 
5996 	/* enable irqs */
5997 	si_enable_interrupts(rdev);
5998 
5999 	return ret;
6000 }
6001 
6002 int si_irq_set(struct radeon_device *rdev)
6003 {
6004 	u32 cp_int_cntl;
6005 	u32 cp_int_cntl1 = 0, cp_int_cntl2 = 0;
6006 	u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
6007 	u32 hpd1 = 0, hpd2 = 0, hpd3 = 0, hpd4 = 0, hpd5 = 0, hpd6 = 0;
6008 	u32 grbm_int_cntl = 0;
6009 	u32 dma_cntl, dma_cntl1;
6010 	u32 thermal_int = 0;
6011 
6012 	if (!rdev->irq.installed) {
6013 		WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
6014 		return -EINVAL;
6015 	}
6016 	/* don't enable anything if the ih is disabled */
6017 	if (!rdev->ih.enabled) {
6018 		si_disable_interrupts(rdev);
6019 		/* force the active interrupt state to all disabled */
6020 		si_disable_interrupt_state(rdev);
6021 		return 0;
6022 	}
6023 
6024 	cp_int_cntl = RREG32(CP_INT_CNTL_RING0) &
6025 		(CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
6026 
6027 	if (!ASIC_IS_NODCE(rdev)) {
6028 		hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
6029 		hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
6030 		hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
6031 		hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
6032 		hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
6033 		hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
6034 	}
6035 
6036 	dma_cntl = RREG32(DMA_CNTL + DMA0_REGISTER_OFFSET) & ~TRAP_ENABLE;
6037 	dma_cntl1 = RREG32(DMA_CNTL + DMA1_REGISTER_OFFSET) & ~TRAP_ENABLE;
6038 
6039 	thermal_int = RREG32(CG_THERMAL_INT) &
6040 		~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
6041 
6042 	/* enable CP interrupts on all rings */
6043 	if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
6044 		DRM_DEBUG("si_irq_set: sw int gfx\n");
6045 		cp_int_cntl |= TIME_STAMP_INT_ENABLE;
6046 	}
6047 	if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP1_INDEX])) {
6048 		DRM_DEBUG("si_irq_set: sw int cp1\n");
6049 		cp_int_cntl1 |= TIME_STAMP_INT_ENABLE;
6050 	}
6051 	if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP2_INDEX])) {
6052 		DRM_DEBUG("si_irq_set: sw int cp2\n");
6053 		cp_int_cntl2 |= TIME_STAMP_INT_ENABLE;
6054 	}
6055 	if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
6056 		DRM_DEBUG("si_irq_set: sw int dma\n");
6057 		dma_cntl |= TRAP_ENABLE;
6058 	}
6059 
6060 	if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_DMA1_INDEX])) {
6061 		DRM_DEBUG("si_irq_set: sw int dma1\n");
6062 		dma_cntl1 |= TRAP_ENABLE;
6063 	}
6064 	if (rdev->irq.crtc_vblank_int[0] ||
6065 	    atomic_read(&rdev->irq.pflip[0])) {
6066 		DRM_DEBUG("si_irq_set: vblank 0\n");
6067 		crtc1 |= VBLANK_INT_MASK;
6068 	}
6069 	if (rdev->irq.crtc_vblank_int[1] ||
6070 	    atomic_read(&rdev->irq.pflip[1])) {
6071 		DRM_DEBUG("si_irq_set: vblank 1\n");
6072 		crtc2 |= VBLANK_INT_MASK;
6073 	}
6074 	if (rdev->irq.crtc_vblank_int[2] ||
6075 	    atomic_read(&rdev->irq.pflip[2])) {
6076 		DRM_DEBUG("si_irq_set: vblank 2\n");
6077 		crtc3 |= VBLANK_INT_MASK;
6078 	}
6079 	if (rdev->irq.crtc_vblank_int[3] ||
6080 	    atomic_read(&rdev->irq.pflip[3])) {
6081 		DRM_DEBUG("si_irq_set: vblank 3\n");
6082 		crtc4 |= VBLANK_INT_MASK;
6083 	}
6084 	if (rdev->irq.crtc_vblank_int[4] ||
6085 	    atomic_read(&rdev->irq.pflip[4])) {
6086 		DRM_DEBUG("si_irq_set: vblank 4\n");
6087 		crtc5 |= VBLANK_INT_MASK;
6088 	}
6089 	if (rdev->irq.crtc_vblank_int[5] ||
6090 	    atomic_read(&rdev->irq.pflip[5])) {
6091 		DRM_DEBUG("si_irq_set: vblank 5\n");
6092 		crtc6 |= VBLANK_INT_MASK;
6093 	}
6094 	if (rdev->irq.hpd[0]) {
6095 		DRM_DEBUG("si_irq_set: hpd 1\n");
6096 		hpd1 |= DC_HPDx_INT_EN;
6097 	}
6098 	if (rdev->irq.hpd[1]) {
6099 		DRM_DEBUG("si_irq_set: hpd 2\n");
6100 		hpd2 |= DC_HPDx_INT_EN;
6101 	}
6102 	if (rdev->irq.hpd[2]) {
6103 		DRM_DEBUG("si_irq_set: hpd 3\n");
6104 		hpd3 |= DC_HPDx_INT_EN;
6105 	}
6106 	if (rdev->irq.hpd[3]) {
6107 		DRM_DEBUG("si_irq_set: hpd 4\n");
6108 		hpd4 |= DC_HPDx_INT_EN;
6109 	}
6110 	if (rdev->irq.hpd[4]) {
6111 		DRM_DEBUG("si_irq_set: hpd 5\n");
6112 		hpd5 |= DC_HPDx_INT_EN;
6113 	}
6114 	if (rdev->irq.hpd[5]) {
6115 		DRM_DEBUG("si_irq_set: hpd 6\n");
6116 		hpd6 |= DC_HPDx_INT_EN;
6117 	}
6118 
6119 	WREG32(CP_INT_CNTL_RING0, cp_int_cntl);
6120 	WREG32(CP_INT_CNTL_RING1, cp_int_cntl1);
6121 	WREG32(CP_INT_CNTL_RING2, cp_int_cntl2);
6122 
6123 	WREG32(DMA_CNTL + DMA0_REGISTER_OFFSET, dma_cntl);
6124 	WREG32(DMA_CNTL + DMA1_REGISTER_OFFSET, dma_cntl1);
6125 
6126 	WREG32(GRBM_INT_CNTL, grbm_int_cntl);
6127 
6128 	if (rdev->irq.dpm_thermal) {
6129 		DRM_DEBUG("dpm thermal\n");
6130 		thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW;
6131 	}
6132 
6133 	if (rdev->num_crtc >= 2) {
6134 		WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
6135 		WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
6136 	}
6137 	if (rdev->num_crtc >= 4) {
6138 		WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3);
6139 		WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4);
6140 	}
6141 	if (rdev->num_crtc >= 6) {
6142 		WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5);
6143 		WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6);
6144 	}
6145 
6146 	if (rdev->num_crtc >= 2) {
6147 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET,
6148 		       GRPH_PFLIP_INT_MASK);
6149 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET,
6150 		       GRPH_PFLIP_INT_MASK);
6151 	}
6152 	if (rdev->num_crtc >= 4) {
6153 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET,
6154 		       GRPH_PFLIP_INT_MASK);
6155 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET,
6156 		       GRPH_PFLIP_INT_MASK);
6157 	}
6158 	if (rdev->num_crtc >= 6) {
6159 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET,
6160 		       GRPH_PFLIP_INT_MASK);
6161 		WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET,
6162 		       GRPH_PFLIP_INT_MASK);
6163 	}
6164 
6165 	if (!ASIC_IS_NODCE(rdev)) {
6166 		WREG32(DC_HPD1_INT_CONTROL, hpd1);
6167 		WREG32(DC_HPD2_INT_CONTROL, hpd2);
6168 		WREG32(DC_HPD3_INT_CONTROL, hpd3);
6169 		WREG32(DC_HPD4_INT_CONTROL, hpd4);
6170 		WREG32(DC_HPD5_INT_CONTROL, hpd5);
6171 		WREG32(DC_HPD6_INT_CONTROL, hpd6);
6172 	}
6173 
6174 	WREG32(CG_THERMAL_INT, thermal_int);
6175 
6176 	return 0;
6177 }
6178 
6179 static inline void si_irq_ack(struct radeon_device *rdev)
6180 {
6181 	u32 tmp;
6182 
6183 	if (ASIC_IS_NODCE(rdev))
6184 		return;
6185 
6186 	rdev->irq.stat_regs.evergreen.disp_int = RREG32(DISP_INTERRUPT_STATUS);
6187 	rdev->irq.stat_regs.evergreen.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
6188 	rdev->irq.stat_regs.evergreen.disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2);
6189 	rdev->irq.stat_regs.evergreen.disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3);
6190 	rdev->irq.stat_regs.evergreen.disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4);
6191 	rdev->irq.stat_regs.evergreen.disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5);
6192 	rdev->irq.stat_regs.evergreen.d1grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET);
6193 	rdev->irq.stat_regs.evergreen.d2grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET);
6194 	if (rdev->num_crtc >= 4) {
6195 		rdev->irq.stat_regs.evergreen.d3grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET);
6196 		rdev->irq.stat_regs.evergreen.d4grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET);
6197 	}
6198 	if (rdev->num_crtc >= 6) {
6199 		rdev->irq.stat_regs.evergreen.d5grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET);
6200 		rdev->irq.stat_regs.evergreen.d6grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET);
6201 	}
6202 
6203 	if (rdev->irq.stat_regs.evergreen.d1grph_int & GRPH_PFLIP_INT_OCCURRED)
6204 		WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6205 	if (rdev->irq.stat_regs.evergreen.d2grph_int & GRPH_PFLIP_INT_OCCURRED)
6206 		WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6207 	if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT)
6208 		WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK);
6209 	if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT)
6210 		WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK);
6211 	if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT)
6212 		WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK);
6213 	if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT)
6214 		WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK);
6215 
6216 	if (rdev->num_crtc >= 4) {
6217 		if (rdev->irq.stat_regs.evergreen.d3grph_int & GRPH_PFLIP_INT_OCCURRED)
6218 			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6219 		if (rdev->irq.stat_regs.evergreen.d4grph_int & GRPH_PFLIP_INT_OCCURRED)
6220 			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6221 		if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)
6222 			WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK);
6223 		if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT)
6224 			WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK);
6225 		if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)
6226 			WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK);
6227 		if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT)
6228 			WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK);
6229 	}
6230 
6231 	if (rdev->num_crtc >= 6) {
6232 		if (rdev->irq.stat_regs.evergreen.d5grph_int & GRPH_PFLIP_INT_OCCURRED)
6233 			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6234 		if (rdev->irq.stat_regs.evergreen.d6grph_int & GRPH_PFLIP_INT_OCCURRED)
6235 			WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
6236 		if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)
6237 			WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK);
6238 		if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT)
6239 			WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK);
6240 		if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)
6241 			WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK);
6242 		if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT)
6243 			WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK);
6244 	}
6245 
6246 	if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
6247 		tmp = RREG32(DC_HPD1_INT_CONTROL);
6248 		tmp |= DC_HPDx_INT_ACK;
6249 		WREG32(DC_HPD1_INT_CONTROL, tmp);
6250 	}
6251 	if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
6252 		tmp = RREG32(DC_HPD2_INT_CONTROL);
6253 		tmp |= DC_HPDx_INT_ACK;
6254 		WREG32(DC_HPD2_INT_CONTROL, tmp);
6255 	}
6256 	if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
6257 		tmp = RREG32(DC_HPD3_INT_CONTROL);
6258 		tmp |= DC_HPDx_INT_ACK;
6259 		WREG32(DC_HPD3_INT_CONTROL, tmp);
6260 	}
6261 	if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
6262 		tmp = RREG32(DC_HPD4_INT_CONTROL);
6263 		tmp |= DC_HPDx_INT_ACK;
6264 		WREG32(DC_HPD4_INT_CONTROL, tmp);
6265 	}
6266 	if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
6267 		tmp = RREG32(DC_HPD5_INT_CONTROL);
6268 		tmp |= DC_HPDx_INT_ACK;
6269 		WREG32(DC_HPD5_INT_CONTROL, tmp);
6270 	}
6271 	if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
6272 		tmp = RREG32(DC_HPD5_INT_CONTROL);
6273 		tmp |= DC_HPDx_INT_ACK;
6274 		WREG32(DC_HPD6_INT_CONTROL, tmp);
6275 	}
6276 }
6277 
6278 static void si_irq_disable(struct radeon_device *rdev)
6279 {
6280 	si_disable_interrupts(rdev);
6281 	/* Wait and acknowledge irq */
6282 	mdelay(1);
6283 	si_irq_ack(rdev);
6284 	si_disable_interrupt_state(rdev);
6285 }
6286 
6287 static void si_irq_suspend(struct radeon_device *rdev)
6288 {
6289 	si_irq_disable(rdev);
6290 	si_rlc_stop(rdev);
6291 }
6292 
6293 static void si_irq_fini(struct radeon_device *rdev)
6294 {
6295 	si_irq_suspend(rdev);
6296 	r600_ih_ring_fini(rdev);
6297 }
6298 
6299 static inline u32 si_get_ih_wptr(struct radeon_device *rdev)
6300 {
6301 	u32 wptr, tmp;
6302 
6303 	if (rdev->wb.enabled)
6304 		wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
6305 	else
6306 		wptr = RREG32(IH_RB_WPTR);
6307 
6308 	if (wptr & RB_OVERFLOW) {
6309 		/* When a ring buffer overflow happen start parsing interrupt
6310 		 * from the last not overwritten vector (wptr + 16). Hopefully
6311 		 * this should allow us to catchup.
6312 		 */
6313 		dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
6314 			wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
6315 		rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
6316 		tmp = RREG32(IH_RB_CNTL);
6317 		tmp |= IH_WPTR_OVERFLOW_CLEAR;
6318 		WREG32(IH_RB_CNTL, tmp);
6319 		wptr &= ~RB_OVERFLOW;
6320 	}
6321 	return (wptr & rdev->ih.ptr_mask);
6322 }
6323 
6324 /*        SI IV Ring
6325  * Each IV ring entry is 128 bits:
6326  * [7:0]    - interrupt source id
6327  * [31:8]   - reserved
6328  * [59:32]  - interrupt source data
6329  * [63:60]  - reserved
6330  * [71:64]  - RINGID
6331  * [79:72]  - VMID
6332  * [127:80] - reserved
6333  */
6334 int si_irq_process(struct radeon_device *rdev)
6335 {
6336 	u32 wptr;
6337 	u32 rptr;
6338 	u32 src_id, src_data, ring_id;
6339 	u32 ring_index;
6340 	bool queue_hotplug = false;
6341 	bool queue_thermal = false;
6342 	u32 status, addr;
6343 
6344 	if (!rdev->ih.enabled || rdev->shutdown)
6345 		return IRQ_NONE;
6346 
6347 	wptr = si_get_ih_wptr(rdev);
6348 
6349 restart_ih:
6350 	/* is somebody else already processing irqs? */
6351 	if (atomic_xchg(&rdev->ih.lock, 1))
6352 		return IRQ_NONE;
6353 
6354 	rptr = rdev->ih.rptr;
6355 	DRM_DEBUG("si_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
6356 
6357 	/* Order reading of wptr vs. reading of IH ring data */
6358 	rmb();
6359 
6360 	/* display interrupts */
6361 	si_irq_ack(rdev);
6362 
6363 	while (rptr != wptr) {
6364 		/* wptr/rptr are in bytes! */
6365 		ring_index = rptr / 4;
6366 		src_id =  le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
6367 		src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
6368 		ring_id = le32_to_cpu(rdev->ih.ring[ring_index + 2]) & 0xff;
6369 
6370 		switch (src_id) {
6371 		case 1: /* D1 vblank/vline */
6372 			switch (src_data) {
6373 			case 0: /* D1 vblank */
6374 				if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT) {
6375 					if (rdev->irq.crtc_vblank_int[0]) {
6376 						drm_handle_vblank(rdev->ddev, 0);
6377 						rdev->pm.vblank_sync = true;
6378 						wake_up(&rdev->irq.vblank_queue);
6379 					}
6380 					if (atomic_read(&rdev->irq.pflip[0]))
6381 						radeon_crtc_handle_vblank(rdev, 0);
6382 					rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
6383 					DRM_DEBUG("IH: D1 vblank\n");
6384 				}
6385 				break;
6386 			case 1: /* D1 vline */
6387 				if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT) {
6388 					rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VLINE_INTERRUPT;
6389 					DRM_DEBUG("IH: D1 vline\n");
6390 				}
6391 				break;
6392 			default:
6393 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6394 				break;
6395 			}
6396 			break;
6397 		case 2: /* D2 vblank/vline */
6398 			switch (src_data) {
6399 			case 0: /* D2 vblank */
6400 				if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT) {
6401 					if (rdev->irq.crtc_vblank_int[1]) {
6402 						drm_handle_vblank(rdev->ddev, 1);
6403 						rdev->pm.vblank_sync = true;
6404 						wake_up(&rdev->irq.vblank_queue);
6405 					}
6406 					if (atomic_read(&rdev->irq.pflip[1]))
6407 						radeon_crtc_handle_vblank(rdev, 1);
6408 					rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
6409 					DRM_DEBUG("IH: D2 vblank\n");
6410 				}
6411 				break;
6412 			case 1: /* D2 vline */
6413 				if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT) {
6414 					rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT;
6415 					DRM_DEBUG("IH: D2 vline\n");
6416 				}
6417 				break;
6418 			default:
6419 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6420 				break;
6421 			}
6422 			break;
6423 		case 3: /* D3 vblank/vline */
6424 			switch (src_data) {
6425 			case 0: /* D3 vblank */
6426 				if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) {
6427 					if (rdev->irq.crtc_vblank_int[2]) {
6428 						drm_handle_vblank(rdev->ddev, 2);
6429 						rdev->pm.vblank_sync = true;
6430 						wake_up(&rdev->irq.vblank_queue);
6431 					}
6432 					if (atomic_read(&rdev->irq.pflip[2]))
6433 						radeon_crtc_handle_vblank(rdev, 2);
6434 					rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
6435 					DRM_DEBUG("IH: D3 vblank\n");
6436 				}
6437 				break;
6438 			case 1: /* D3 vline */
6439 				if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) {
6440 					rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT;
6441 					DRM_DEBUG("IH: D3 vline\n");
6442 				}
6443 				break;
6444 			default:
6445 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6446 				break;
6447 			}
6448 			break;
6449 		case 4: /* D4 vblank/vline */
6450 			switch (src_data) {
6451 			case 0: /* D4 vblank */
6452 				if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) {
6453 					if (rdev->irq.crtc_vblank_int[3]) {
6454 						drm_handle_vblank(rdev->ddev, 3);
6455 						rdev->pm.vblank_sync = true;
6456 						wake_up(&rdev->irq.vblank_queue);
6457 					}
6458 					if (atomic_read(&rdev->irq.pflip[3]))
6459 						radeon_crtc_handle_vblank(rdev, 3);
6460 					rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
6461 					DRM_DEBUG("IH: D4 vblank\n");
6462 				}
6463 				break;
6464 			case 1: /* D4 vline */
6465 				if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) {
6466 					rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT;
6467 					DRM_DEBUG("IH: D4 vline\n");
6468 				}
6469 				break;
6470 			default:
6471 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6472 				break;
6473 			}
6474 			break;
6475 		case 5: /* D5 vblank/vline */
6476 			switch (src_data) {
6477 			case 0: /* D5 vblank */
6478 				if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) {
6479 					if (rdev->irq.crtc_vblank_int[4]) {
6480 						drm_handle_vblank(rdev->ddev, 4);
6481 						rdev->pm.vblank_sync = true;
6482 						wake_up(&rdev->irq.vblank_queue);
6483 					}
6484 					if (atomic_read(&rdev->irq.pflip[4]))
6485 						radeon_crtc_handle_vblank(rdev, 4);
6486 					rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
6487 					DRM_DEBUG("IH: D5 vblank\n");
6488 				}
6489 				break;
6490 			case 1: /* D5 vline */
6491 				if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) {
6492 					rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT;
6493 					DRM_DEBUG("IH: D5 vline\n");
6494 				}
6495 				break;
6496 			default:
6497 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6498 				break;
6499 			}
6500 			break;
6501 		case 6: /* D6 vblank/vline */
6502 			switch (src_data) {
6503 			case 0: /* D6 vblank */
6504 				if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) {
6505 					if (rdev->irq.crtc_vblank_int[5]) {
6506 						drm_handle_vblank(rdev->ddev, 5);
6507 						rdev->pm.vblank_sync = true;
6508 						wake_up(&rdev->irq.vblank_queue);
6509 					}
6510 					if (atomic_read(&rdev->irq.pflip[5]))
6511 						radeon_crtc_handle_vblank(rdev, 5);
6512 					rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
6513 					DRM_DEBUG("IH: D6 vblank\n");
6514 				}
6515 				break;
6516 			case 1: /* D6 vline */
6517 				if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) {
6518 					rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT;
6519 					DRM_DEBUG("IH: D6 vline\n");
6520 				}
6521 				break;
6522 			default:
6523 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6524 				break;
6525 			}
6526 			break;
6527 		case 8: /* D1 page flip */
6528 		case 10: /* D2 page flip */
6529 		case 12: /* D3 page flip */
6530 		case 14: /* D4 page flip */
6531 		case 16: /* D5 page flip */
6532 		case 18: /* D6 page flip */
6533 			DRM_DEBUG("IH: D%d flip\n", ((src_id - 8) >> 1) + 1);
6534 			if (radeon_use_pflipirq > 0)
6535 				radeon_crtc_handle_flip(rdev, (src_id - 8) >> 1);
6536 			break;
6537 		case 42: /* HPD hotplug */
6538 			switch (src_data) {
6539 			case 0:
6540 				if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
6541 					rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_INTERRUPT;
6542 					queue_hotplug = true;
6543 					DRM_DEBUG("IH: HPD1\n");
6544 				}
6545 				break;
6546 			case 1:
6547 				if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
6548 					rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_INTERRUPT;
6549 					queue_hotplug = true;
6550 					DRM_DEBUG("IH: HPD2\n");
6551 				}
6552 				break;
6553 			case 2:
6554 				if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
6555 					rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_INTERRUPT;
6556 					queue_hotplug = true;
6557 					DRM_DEBUG("IH: HPD3\n");
6558 				}
6559 				break;
6560 			case 3:
6561 				if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
6562 					rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_INTERRUPT;
6563 					queue_hotplug = true;
6564 					DRM_DEBUG("IH: HPD4\n");
6565 				}
6566 				break;
6567 			case 4:
6568 				if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
6569 					rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_INTERRUPT;
6570 					queue_hotplug = true;
6571 					DRM_DEBUG("IH: HPD5\n");
6572 				}
6573 				break;
6574 			case 5:
6575 				if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
6576 					rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_INTERRUPT;
6577 					queue_hotplug = true;
6578 					DRM_DEBUG("IH: HPD6\n");
6579 				}
6580 				break;
6581 			default:
6582 				DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6583 				break;
6584 			}
6585 			break;
6586 		case 124: /* UVD */
6587 			DRM_DEBUG("IH: UVD int: 0x%08x\n", src_data);
6588 			radeon_fence_process(rdev, R600_RING_TYPE_UVD_INDEX);
6589 			break;
6590 		case 146:
6591 		case 147:
6592 			addr = RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR);
6593 			status = RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS);
6594 			/* reset addr and status */
6595 			WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
6596 			if (addr == 0x0 && status == 0x0)
6597 				break;
6598 			dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data);
6599 			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x%08X\n",
6600 				addr);
6601 			dev_err(rdev->dev, "  VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
6602 				status);
6603 			si_vm_decode_fault(rdev, status, addr);
6604 			break;
6605 		case 176: /* RINGID0 CP_INT */
6606 			radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
6607 			break;
6608 		case 177: /* RINGID1 CP_INT */
6609 			radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
6610 			break;
6611 		case 178: /* RINGID2 CP_INT */
6612 			radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
6613 			break;
6614 		case 181: /* CP EOP event */
6615 			DRM_DEBUG("IH: CP EOP\n");
6616 			switch (ring_id) {
6617 			case 0:
6618 				radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
6619 				break;
6620 			case 1:
6621 				radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
6622 				break;
6623 			case 2:
6624 				radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
6625 				break;
6626 			}
6627 			break;
6628 		case 224: /* DMA trap event */
6629 			DRM_DEBUG("IH: DMA trap\n");
6630 			radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
6631 			break;
6632 		case 230: /* thermal low to high */
6633 			DRM_DEBUG("IH: thermal low to high\n");
6634 			rdev->pm.dpm.thermal.high_to_low = false;
6635 			queue_thermal = true;
6636 			break;
6637 		case 231: /* thermal high to low */
6638 			DRM_DEBUG("IH: thermal high to low\n");
6639 			rdev->pm.dpm.thermal.high_to_low = true;
6640 			queue_thermal = true;
6641 			break;
6642 		case 233: /* GUI IDLE */
6643 			DRM_DEBUG("IH: GUI idle\n");
6644 			break;
6645 		case 244: /* DMA trap event */
6646 			DRM_DEBUG("IH: DMA1 trap\n");
6647 			radeon_fence_process(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
6648 			break;
6649 		default:
6650 			DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
6651 			break;
6652 		}
6653 
6654 		/* wptr/rptr are in bytes! */
6655 		rptr += 16;
6656 		rptr &= rdev->ih.ptr_mask;
6657 	}
6658 	if (queue_hotplug)
6659 		schedule_work(&rdev->hotplug_work);
6660 	if (queue_thermal && rdev->pm.dpm_enabled)
6661 		schedule_work(&rdev->pm.dpm.thermal.work);
6662 	rdev->ih.rptr = rptr;
6663 	WREG32(IH_RB_RPTR, rdev->ih.rptr);
6664 	atomic_set(&rdev->ih.lock, 0);
6665 
6666 	/* make sure wptr hasn't changed while processing */
6667 	wptr = si_get_ih_wptr(rdev);
6668 	if (wptr != rptr)
6669 		goto restart_ih;
6670 
6671 	return IRQ_HANDLED;
6672 }
6673 
6674 /*
6675  * startup/shutdown callbacks
6676  */
6677 static int si_startup(struct radeon_device *rdev)
6678 {
6679 	struct radeon_ring *ring;
6680 	int r;
6681 
6682 	/* enable pcie gen2/3 link */
6683 	si_pcie_gen3_enable(rdev);
6684 	/* enable aspm */
6685 	si_program_aspm(rdev);
6686 
6687 	/* scratch needs to be initialized before MC */
6688 	r = r600_vram_scratch_init(rdev);
6689 	if (r)
6690 		return r;
6691 
6692 	si_mc_program(rdev);
6693 
6694 	if (!rdev->pm.dpm_enabled) {
6695 		r = si_mc_load_microcode(rdev);
6696 		if (r) {
6697 			DRM_ERROR("Failed to load MC firmware!\n");
6698 			return r;
6699 		}
6700 	}
6701 
6702 	r = si_pcie_gart_enable(rdev);
6703 	if (r)
6704 		return r;
6705 	si_gpu_init(rdev);
6706 
6707 	/* allocate rlc buffers */
6708 	if (rdev->family == CHIP_VERDE) {
6709 		rdev->rlc.reg_list = verde_rlc_save_restore_register_list;
6710 		rdev->rlc.reg_list_size =
6711 			(u32)ARRAY_SIZE(verde_rlc_save_restore_register_list);
6712 	}
6713 	rdev->rlc.cs_data = si_cs_data;
6714 	r = sumo_rlc_init(rdev);
6715 	if (r) {
6716 		DRM_ERROR("Failed to init rlc BOs!\n");
6717 		return r;
6718 	}
6719 
6720 	/* allocate wb buffer */
6721 	r = radeon_wb_init(rdev);
6722 	if (r)
6723 		return r;
6724 
6725 	r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
6726 	if (r) {
6727 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
6728 		return r;
6729 	}
6730 
6731 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
6732 	if (r) {
6733 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
6734 		return r;
6735 	}
6736 
6737 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
6738 	if (r) {
6739 		dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
6740 		return r;
6741 	}
6742 
6743 	r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
6744 	if (r) {
6745 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
6746 		return r;
6747 	}
6748 
6749 	r = radeon_fence_driver_start_ring(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
6750 	if (r) {
6751 		dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
6752 		return r;
6753 	}
6754 
6755 	if (rdev->has_uvd) {
6756 		r = uvd_v2_2_resume(rdev);
6757 		if (!r) {
6758 			r = radeon_fence_driver_start_ring(rdev,
6759 							   R600_RING_TYPE_UVD_INDEX);
6760 			if (r)
6761 				dev_err(rdev->dev, "UVD fences init error (%d).\n", r);
6762 		}
6763 		if (r)
6764 			rdev->ring[R600_RING_TYPE_UVD_INDEX].ring_size = 0;
6765 	}
6766 
6767 	/* Enable IRQ */
6768 	if (!rdev->irq.installed) {
6769 		r = radeon_irq_kms_init(rdev);
6770 		if (r)
6771 			return r;
6772 	}
6773 
6774 	r = si_irq_init(rdev);
6775 	if (r) {
6776 		DRM_ERROR("radeon: IH init failed (%d).\n", r);
6777 		radeon_irq_kms_fini(rdev);
6778 		return r;
6779 	}
6780 	si_irq_set(rdev);
6781 
6782 	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
6783 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
6784 			     RADEON_CP_PACKET2);
6785 	if (r)
6786 		return r;
6787 
6788 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
6789 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP1_RPTR_OFFSET,
6790 			     RADEON_CP_PACKET2);
6791 	if (r)
6792 		return r;
6793 
6794 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
6795 	r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP2_RPTR_OFFSET,
6796 			     RADEON_CP_PACKET2);
6797 	if (r)
6798 		return r;
6799 
6800 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
6801 	r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
6802 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0));
6803 	if (r)
6804 		return r;
6805 
6806 	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
6807 	r = radeon_ring_init(rdev, ring, ring->ring_size, CAYMAN_WB_DMA1_RPTR_OFFSET,
6808 			     DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0, 0));
6809 	if (r)
6810 		return r;
6811 
6812 	r = si_cp_load_microcode(rdev);
6813 	if (r)
6814 		return r;
6815 	r = si_cp_resume(rdev);
6816 	if (r)
6817 		return r;
6818 
6819 	r = cayman_dma_resume(rdev);
6820 	if (r)
6821 		return r;
6822 
6823 	if (rdev->has_uvd) {
6824 		ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
6825 		if (ring->ring_size) {
6826 			r = radeon_ring_init(rdev, ring, ring->ring_size, 0,
6827 					     RADEON_CP_PACKET2);
6828 			if (!r)
6829 				r = uvd_v1_0_init(rdev);
6830 			if (r)
6831 				DRM_ERROR("radeon: failed initializing UVD (%d).\n", r);
6832 		}
6833 	}
6834 
6835 	r = radeon_ib_pool_init(rdev);
6836 	if (r) {
6837 		dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
6838 		return r;
6839 	}
6840 
6841 	r = radeon_vm_manager_init(rdev);
6842 	if (r) {
6843 		dev_err(rdev->dev, "vm manager initialization failed (%d).\n", r);
6844 		return r;
6845 	}
6846 
6847 	r = dce6_audio_init(rdev);
6848 	if (r)
6849 		return r;
6850 
6851 	return 0;
6852 }
6853 
6854 int si_resume(struct radeon_device *rdev)
6855 {
6856 	int r;
6857 
6858 	/* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
6859 	 * posting will perform necessary task to bring back GPU into good
6860 	 * shape.
6861 	 */
6862 	/* post card */
6863 	atom_asic_init(rdev->mode_info.atom_context);
6864 
6865 	/* init golden registers */
6866 	si_init_golden_registers(rdev);
6867 
6868 	if (rdev->pm.pm_method == PM_METHOD_DPM)
6869 		radeon_pm_resume(rdev);
6870 
6871 	rdev->accel_working = true;
6872 	r = si_startup(rdev);
6873 	if (r) {
6874 		DRM_ERROR("si startup failed on resume\n");
6875 		rdev->accel_working = false;
6876 		return r;
6877 	}
6878 
6879 	return r;
6880 
6881 }
6882 
6883 int si_suspend(struct radeon_device *rdev)
6884 {
6885 	radeon_pm_suspend(rdev);
6886 	dce6_audio_fini(rdev);
6887 	radeon_vm_manager_fini(rdev);
6888 	si_cp_enable(rdev, false);
6889 	cayman_dma_stop(rdev);
6890 	if (rdev->has_uvd) {
6891 		uvd_v1_0_fini(rdev);
6892 		radeon_uvd_suspend(rdev);
6893 	}
6894 	si_fini_pg(rdev);
6895 	si_fini_cg(rdev);
6896 	si_irq_suspend(rdev);
6897 	radeon_wb_disable(rdev);
6898 	si_pcie_gart_disable(rdev);
6899 	return 0;
6900 }
6901 
6902 /* Plan is to move initialization in that function and use
6903  * helper function so that radeon_device_init pretty much
6904  * do nothing more than calling asic specific function. This
6905  * should also allow to remove a bunch of callback function
6906  * like vram_info.
6907  */
6908 int si_init(struct radeon_device *rdev)
6909 {
6910 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
6911 	int r;
6912 
6913 	/* Read BIOS */
6914 	if (!radeon_get_bios(rdev)) {
6915 		if (ASIC_IS_AVIVO(rdev))
6916 			return -EINVAL;
6917 	}
6918 	/* Must be an ATOMBIOS */
6919 	if (!rdev->is_atom_bios) {
6920 		dev_err(rdev->dev, "Expecting atombios for cayman GPU\n");
6921 		return -EINVAL;
6922 	}
6923 	r = radeon_atombios_init(rdev);
6924 	if (r)
6925 		return r;
6926 
6927 	/* Post card if necessary */
6928 	if (!radeon_card_posted(rdev)) {
6929 		if (!rdev->bios) {
6930 			dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
6931 			return -EINVAL;
6932 		}
6933 		DRM_INFO("GPU not posted. posting now...\n");
6934 		atom_asic_init(rdev->mode_info.atom_context);
6935 	}
6936 	/* init golden registers */
6937 	si_init_golden_registers(rdev);
6938 	/* Initialize scratch registers */
6939 	si_scratch_init(rdev);
6940 	/* Initialize surface registers */
6941 	radeon_surface_init(rdev);
6942 	/* Initialize clocks */
6943 	radeon_get_clock_info(rdev->ddev);
6944 
6945 	/* Fence driver */
6946 	r = radeon_fence_driver_init(rdev);
6947 	if (r)
6948 		return r;
6949 
6950 	/* initialize memory controller */
6951 	r = si_mc_init(rdev);
6952 	if (r)
6953 		return r;
6954 	/* Memory manager */
6955 	r = radeon_bo_init(rdev);
6956 	if (r)
6957 		return r;
6958 
6959 	if (!rdev->me_fw || !rdev->pfp_fw || !rdev->ce_fw ||
6960 	    !rdev->rlc_fw || !rdev->mc_fw) {
6961 		r = si_init_microcode(rdev);
6962 		if (r) {
6963 			DRM_ERROR("Failed to load firmware!\n");
6964 			return r;
6965 		}
6966 	}
6967 
6968 	/* Initialize power management */
6969 	radeon_pm_init(rdev);
6970 
6971 	ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
6972 	ring->ring_obj = NULL;
6973 	r600_ring_init(rdev, ring, 1024 * 1024);
6974 
6975 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP1_INDEX];
6976 	ring->ring_obj = NULL;
6977 	r600_ring_init(rdev, ring, 1024 * 1024);
6978 
6979 	ring = &rdev->ring[CAYMAN_RING_TYPE_CP2_INDEX];
6980 	ring->ring_obj = NULL;
6981 	r600_ring_init(rdev, ring, 1024 * 1024);
6982 
6983 	ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
6984 	ring->ring_obj = NULL;
6985 	r600_ring_init(rdev, ring, 64 * 1024);
6986 
6987 	ring = &rdev->ring[CAYMAN_RING_TYPE_DMA1_INDEX];
6988 	ring->ring_obj = NULL;
6989 	r600_ring_init(rdev, ring, 64 * 1024);
6990 
6991 	if (rdev->has_uvd) {
6992 		r = radeon_uvd_init(rdev);
6993 		if (!r) {
6994 			ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
6995 			ring->ring_obj = NULL;
6996 			r600_ring_init(rdev, ring, 4096);
6997 		}
6998 	}
6999 
7000 	rdev->ih.ring_obj = NULL;
7001 	r600_ih_ring_init(rdev, 64 * 1024);
7002 
7003 	r = r600_pcie_gart_init(rdev);
7004 	if (r)
7005 		return r;
7006 
7007 	rdev->accel_working = true;
7008 	r = si_startup(rdev);
7009 	if (r) {
7010 		dev_err(rdev->dev, "disabling GPU acceleration\n");
7011 		si_cp_fini(rdev);
7012 		cayman_dma_fini(rdev);
7013 		si_irq_fini(rdev);
7014 		sumo_rlc_fini(rdev);
7015 		radeon_wb_fini(rdev);
7016 		radeon_ib_pool_fini(rdev);
7017 		radeon_vm_manager_fini(rdev);
7018 		radeon_irq_kms_fini(rdev);
7019 		si_pcie_gart_fini(rdev);
7020 		rdev->accel_working = false;
7021 	}
7022 
7023 	/* Don't start up if the MC ucode is missing.
7024 	 * The default clocks and voltages before the MC ucode
7025 	 * is loaded are not suffient for advanced operations.
7026 	 */
7027 	if (!rdev->mc_fw) {
7028 		DRM_ERROR("radeon: MC ucode required for NI+.\n");
7029 		return -EINVAL;
7030 	}
7031 
7032 	return 0;
7033 }
7034 
7035 void si_fini(struct radeon_device *rdev)
7036 {
7037 	radeon_pm_fini(rdev);
7038 	si_cp_fini(rdev);
7039 	cayman_dma_fini(rdev);
7040 	si_fini_pg(rdev);
7041 	si_fini_cg(rdev);
7042 	si_irq_fini(rdev);
7043 	sumo_rlc_fini(rdev);
7044 	radeon_wb_fini(rdev);
7045 	radeon_vm_manager_fini(rdev);
7046 	radeon_ib_pool_fini(rdev);
7047 	radeon_irq_kms_fini(rdev);
7048 	if (rdev->has_uvd) {
7049 		uvd_v1_0_fini(rdev);
7050 		radeon_uvd_fini(rdev);
7051 	}
7052 	si_pcie_gart_fini(rdev);
7053 	r600_vram_scratch_fini(rdev);
7054 	radeon_gem_fini(rdev);
7055 	radeon_fence_driver_fini(rdev);
7056 	radeon_bo_fini(rdev);
7057 	radeon_atombios_fini(rdev);
7058 	kfree(rdev->bios);
7059 	rdev->bios = NULL;
7060 }
7061 
7062 /**
7063  * si_get_gpu_clock_counter - return GPU clock counter snapshot
7064  *
7065  * @rdev: radeon_device pointer
7066  *
7067  * Fetches a GPU clock counter snapshot (SI).
7068  * Returns the 64 bit clock counter snapshot.
7069  */
7070 uint64_t si_get_gpu_clock_counter(struct radeon_device *rdev)
7071 {
7072 	uint64_t clock;
7073 
7074 	mutex_lock(&rdev->gpu_clock_mutex);
7075 	WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1);
7076 	clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) |
7077 	        ((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL);
7078 	mutex_unlock(&rdev->gpu_clock_mutex);
7079 	return clock;
7080 }
7081 
7082 int si_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk)
7083 {
7084 	unsigned fb_div = 0, vclk_div = 0, dclk_div = 0;
7085 	int r;
7086 
7087 	/* bypass vclk and dclk with bclk */
7088 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
7089 		VCLK_SRC_SEL(1) | DCLK_SRC_SEL(1),
7090 		~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
7091 
7092 	/* put PLL in bypass mode */
7093 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_BYPASS_EN_MASK, ~UPLL_BYPASS_EN_MASK);
7094 
7095 	if (!vclk || !dclk) {
7096 		/* keep the Bypass mode, put PLL to sleep */
7097 		WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
7098 		return 0;
7099 	}
7100 
7101 	r = radeon_uvd_calc_upll_dividers(rdev, vclk, dclk, 125000, 250000,
7102 					  16384, 0x03FFFFFF, 0, 128, 5,
7103 					  &fb_div, &vclk_div, &dclk_div);
7104 	if (r)
7105 		return r;
7106 
7107 	/* set RESET_ANTI_MUX to 0 */
7108 	WREG32_P(CG_UPLL_FUNC_CNTL_5, 0, ~RESET_ANTI_MUX_MASK);
7109 
7110 	/* set VCO_MODE to 1 */
7111 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_VCO_MODE_MASK, ~UPLL_VCO_MODE_MASK);
7112 
7113 	/* toggle UPLL_SLEEP to 1 then back to 0 */
7114 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_SLEEP_MASK, ~UPLL_SLEEP_MASK);
7115 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_SLEEP_MASK);
7116 
7117 	/* deassert UPLL_RESET */
7118 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
7119 
7120 	mdelay(1);
7121 
7122 	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
7123 	if (r)
7124 		return r;
7125 
7126 	/* assert UPLL_RESET again */
7127 	WREG32_P(CG_UPLL_FUNC_CNTL, UPLL_RESET_MASK, ~UPLL_RESET_MASK);
7128 
7129 	/* disable spread spectrum. */
7130 	WREG32_P(CG_UPLL_SPREAD_SPECTRUM, 0, ~SSEN_MASK);
7131 
7132 	/* set feedback divider */
7133 	WREG32_P(CG_UPLL_FUNC_CNTL_3, UPLL_FB_DIV(fb_div), ~UPLL_FB_DIV_MASK);
7134 
7135 	/* set ref divider to 0 */
7136 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_REF_DIV_MASK);
7137 
7138 	if (fb_div < 307200)
7139 		WREG32_P(CG_UPLL_FUNC_CNTL_4, 0, ~UPLL_SPARE_ISPARE9);
7140 	else
7141 		WREG32_P(CG_UPLL_FUNC_CNTL_4, UPLL_SPARE_ISPARE9, ~UPLL_SPARE_ISPARE9);
7142 
7143 	/* set PDIV_A and PDIV_B */
7144 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
7145 		UPLL_PDIV_A(vclk_div) | UPLL_PDIV_B(dclk_div),
7146 		~(UPLL_PDIV_A_MASK | UPLL_PDIV_B_MASK));
7147 
7148 	/* give the PLL some time to settle */
7149 	mdelay(15);
7150 
7151 	/* deassert PLL_RESET */
7152 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_RESET_MASK);
7153 
7154 	mdelay(15);
7155 
7156 	/* switch from bypass mode to normal mode */
7157 	WREG32_P(CG_UPLL_FUNC_CNTL, 0, ~UPLL_BYPASS_EN_MASK);
7158 
7159 	r = radeon_uvd_send_upll_ctlreq(rdev, CG_UPLL_FUNC_CNTL);
7160 	if (r)
7161 		return r;
7162 
7163 	/* switch VCLK and DCLK selection */
7164 	WREG32_P(CG_UPLL_FUNC_CNTL_2,
7165 		VCLK_SRC_SEL(2) | DCLK_SRC_SEL(2),
7166 		~(VCLK_SRC_SEL_MASK | DCLK_SRC_SEL_MASK));
7167 
7168 	mdelay(100);
7169 
7170 	return 0;
7171 }
7172 
7173 static void si_pcie_gen3_enable(struct radeon_device *rdev)
7174 {
7175 	struct pci_dev *root = rdev->pdev->bus->self;
7176 	int bridge_pos, gpu_pos;
7177 	u32 speed_cntl, mask, current_data_rate;
7178 	int ret, i;
7179 	u16 tmp16;
7180 
7181 	if (radeon_pcie_gen2 == 0)
7182 		return;
7183 
7184 	if (rdev->flags & RADEON_IS_IGP)
7185 		return;
7186 
7187 	if (!(rdev->flags & RADEON_IS_PCIE))
7188 		return;
7189 
7190 	ret = drm_pcie_get_speed_cap_mask(rdev->ddev, &mask);
7191 	if (ret != 0)
7192 		return;
7193 
7194 	if (!(mask & (DRM_PCIE_SPEED_50 | DRM_PCIE_SPEED_80)))
7195 		return;
7196 
7197 	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
7198 	current_data_rate = (speed_cntl & LC_CURRENT_DATA_RATE_MASK) >>
7199 		LC_CURRENT_DATA_RATE_SHIFT;
7200 	if (mask & DRM_PCIE_SPEED_80) {
7201 		if (current_data_rate == 2) {
7202 			DRM_INFO("PCIE gen 3 link speeds already enabled\n");
7203 			return;
7204 		}
7205 		DRM_INFO("enabling PCIE gen 3 link speeds, disable with radeon.pcie_gen2=0\n");
7206 	} else if (mask & DRM_PCIE_SPEED_50) {
7207 		if (current_data_rate == 1) {
7208 			DRM_INFO("PCIE gen 2 link speeds already enabled\n");
7209 			return;
7210 		}
7211 		DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
7212 	}
7213 
7214 	bridge_pos = pci_pcie_cap(root);
7215 	if (!bridge_pos)
7216 		return;
7217 
7218 	gpu_pos = pci_pcie_cap(rdev->pdev);
7219 	if (!gpu_pos)
7220 		return;
7221 
7222 	if (mask & DRM_PCIE_SPEED_80) {
7223 		/* re-try equalization if gen3 is not already enabled */
7224 		if (current_data_rate != 2) {
7225 			u16 bridge_cfg, gpu_cfg;
7226 			u16 bridge_cfg2, gpu_cfg2;
7227 			u32 max_lw, current_lw, tmp;
7228 
7229 			pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &bridge_cfg);
7230 			pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, &gpu_cfg);
7231 
7232 			tmp16 = bridge_cfg | PCI_EXP_LNKCTL_HAWD;
7233 			pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL, tmp16);
7234 
7235 			tmp16 = gpu_cfg | PCI_EXP_LNKCTL_HAWD;
7236 			pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, tmp16);
7237 
7238 			tmp = RREG32_PCIE(PCIE_LC_STATUS1);
7239 			max_lw = (tmp & LC_DETECTED_LINK_WIDTH_MASK) >> LC_DETECTED_LINK_WIDTH_SHIFT;
7240 			current_lw = (tmp & LC_OPERATING_LINK_WIDTH_MASK) >> LC_OPERATING_LINK_WIDTH_SHIFT;
7241 
7242 			if (current_lw < max_lw) {
7243 				tmp = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
7244 				if (tmp & LC_RENEGOTIATION_SUPPORT) {
7245 					tmp &= ~(LC_LINK_WIDTH_MASK | LC_UPCONFIGURE_DIS);
7246 					tmp |= (max_lw << LC_LINK_WIDTH_SHIFT);
7247 					tmp |= LC_UPCONFIGURE_SUPPORT | LC_RENEGOTIATE_EN | LC_RECONFIG_NOW;
7248 					WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, tmp);
7249 				}
7250 			}
7251 
7252 			for (i = 0; i < 10; i++) {
7253 				/* check status */
7254 				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_DEVSTA, &tmp16);
7255 				if (tmp16 & PCI_EXP_DEVSTA_TRPND)
7256 					break;
7257 
7258 				pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &bridge_cfg);
7259 				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, &gpu_cfg);
7260 
7261 				pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, &bridge_cfg2);
7262 				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &gpu_cfg2);
7263 
7264 				tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL4);
7265 				tmp |= LC_SET_QUIESCE;
7266 				WREG32_PCIE_PORT(PCIE_LC_CNTL4, tmp);
7267 
7268 				tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL4);
7269 				tmp |= LC_REDO_EQ;
7270 				WREG32_PCIE_PORT(PCIE_LC_CNTL4, tmp);
7271 
7272 				mdelay(100);
7273 
7274 				/* linkctl */
7275 				pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL, &tmp16);
7276 				tmp16 &= ~PCI_EXP_LNKCTL_HAWD;
7277 				tmp16 |= (bridge_cfg & PCI_EXP_LNKCTL_HAWD);
7278 				pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL, tmp16);
7279 
7280 				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, &tmp16);
7281 				tmp16 &= ~PCI_EXP_LNKCTL_HAWD;
7282 				tmp16 |= (gpu_cfg & PCI_EXP_LNKCTL_HAWD);
7283 				pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL, tmp16);
7284 
7285 				/* linkctl2 */
7286 				pci_read_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, &tmp16);
7287 				tmp16 &= ~((1 << 4) | (7 << 9));
7288 				tmp16 |= (bridge_cfg2 & ((1 << 4) | (7 << 9)));
7289 				pci_write_config_word(root, bridge_pos + PCI_EXP_LNKCTL2, tmp16);
7290 
7291 				pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &tmp16);
7292 				tmp16 &= ~((1 << 4) | (7 << 9));
7293 				tmp16 |= (gpu_cfg2 & ((1 << 4) | (7 << 9)));
7294 				pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, tmp16);
7295 
7296 				tmp = RREG32_PCIE_PORT(PCIE_LC_CNTL4);
7297 				tmp &= ~LC_SET_QUIESCE;
7298 				WREG32_PCIE_PORT(PCIE_LC_CNTL4, tmp);
7299 			}
7300 		}
7301 	}
7302 
7303 	/* set the link speed */
7304 	speed_cntl |= LC_FORCE_EN_SW_SPEED_CHANGE | LC_FORCE_DIS_HW_SPEED_CHANGE;
7305 	speed_cntl &= ~LC_FORCE_DIS_SW_SPEED_CHANGE;
7306 	WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
7307 
7308 	pci_read_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, &tmp16);
7309 	tmp16 &= ~0xf;
7310 	if (mask & DRM_PCIE_SPEED_80)
7311 		tmp16 |= 3; /* gen3 */
7312 	else if (mask & DRM_PCIE_SPEED_50)
7313 		tmp16 |= 2; /* gen2 */
7314 	else
7315 		tmp16 |= 1; /* gen1 */
7316 	pci_write_config_word(rdev->pdev, gpu_pos + PCI_EXP_LNKCTL2, tmp16);
7317 
7318 	speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
7319 	speed_cntl |= LC_INITIATE_LINK_SPEED_CHANGE;
7320 	WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
7321 
7322 	for (i = 0; i < rdev->usec_timeout; i++) {
7323 		speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
7324 		if ((speed_cntl & LC_INITIATE_LINK_SPEED_CHANGE) == 0)
7325 			break;
7326 		udelay(1);
7327 	}
7328 }
7329 
7330 static void si_program_aspm(struct radeon_device *rdev)
7331 {
7332 	u32 data, orig;
7333 	bool disable_l0s = false, disable_l1 = false, disable_plloff_in_l1 = false;
7334 	bool disable_clkreq = false;
7335 
7336 	if (radeon_aspm == 0)
7337 		return;
7338 
7339 	if (!(rdev->flags & RADEON_IS_PCIE))
7340 		return;
7341 
7342 	orig = data = RREG32_PCIE_PORT(PCIE_LC_N_FTS_CNTL);
7343 	data &= ~LC_XMIT_N_FTS_MASK;
7344 	data |= LC_XMIT_N_FTS(0x24) | LC_XMIT_N_FTS_OVERRIDE_EN;
7345 	if (orig != data)
7346 		WREG32_PCIE_PORT(PCIE_LC_N_FTS_CNTL, data);
7347 
7348 	orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL3);
7349 	data |= LC_GO_TO_RECOVERY;
7350 	if (orig != data)
7351 		WREG32_PCIE_PORT(PCIE_LC_CNTL3, data);
7352 
7353 	orig = data = RREG32_PCIE(PCIE_P_CNTL);
7354 	data |= P_IGNORE_EDB_ERR;
7355 	if (orig != data)
7356 		WREG32_PCIE(PCIE_P_CNTL, data);
7357 
7358 	orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL);
7359 	data &= ~(LC_L0S_INACTIVITY_MASK | LC_L1_INACTIVITY_MASK);
7360 	data |= LC_PMI_TO_L1_DIS;
7361 	if (!disable_l0s)
7362 		data |= LC_L0S_INACTIVITY(7);
7363 
7364 	if (!disable_l1) {
7365 		data |= LC_L1_INACTIVITY(7);
7366 		data &= ~LC_PMI_TO_L1_DIS;
7367 		if (orig != data)
7368 			WREG32_PCIE_PORT(PCIE_LC_CNTL, data);
7369 
7370 		if (!disable_plloff_in_l1) {
7371 			bool clk_req_support;
7372 
7373 			orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0);
7374 			data &= ~(PLL_POWER_STATE_IN_OFF_0_MASK | PLL_POWER_STATE_IN_TXS2_0_MASK);
7375 			data |= PLL_POWER_STATE_IN_OFF_0(7) | PLL_POWER_STATE_IN_TXS2_0(7);
7376 			if (orig != data)
7377 				WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0, data);
7378 
7379 			orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1);
7380 			data &= ~(PLL_POWER_STATE_IN_OFF_1_MASK | PLL_POWER_STATE_IN_TXS2_1_MASK);
7381 			data |= PLL_POWER_STATE_IN_OFF_1(7) | PLL_POWER_STATE_IN_TXS2_1(7);
7382 			if (orig != data)
7383 				WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1, data);
7384 
7385 			orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0);
7386 			data &= ~(PLL_POWER_STATE_IN_OFF_0_MASK | PLL_POWER_STATE_IN_TXS2_0_MASK);
7387 			data |= PLL_POWER_STATE_IN_OFF_0(7) | PLL_POWER_STATE_IN_TXS2_0(7);
7388 			if (orig != data)
7389 				WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0, data);
7390 
7391 			orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1);
7392 			data &= ~(PLL_POWER_STATE_IN_OFF_1_MASK | PLL_POWER_STATE_IN_TXS2_1_MASK);
7393 			data |= PLL_POWER_STATE_IN_OFF_1(7) | PLL_POWER_STATE_IN_TXS2_1(7);
7394 			if (orig != data)
7395 				WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1, data);
7396 
7397 			if ((rdev->family != CHIP_OLAND) && (rdev->family != CHIP_HAINAN)) {
7398 				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0);
7399 				data &= ~PLL_RAMP_UP_TIME_0_MASK;
7400 				if (orig != data)
7401 					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_0, data);
7402 
7403 				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1);
7404 				data &= ~PLL_RAMP_UP_TIME_1_MASK;
7405 				if (orig != data)
7406 					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_1, data);
7407 
7408 				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_2);
7409 				data &= ~PLL_RAMP_UP_TIME_2_MASK;
7410 				if (orig != data)
7411 					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_2, data);
7412 
7413 				orig = data = RREG32_PIF_PHY0(PB0_PIF_PWRDOWN_3);
7414 				data &= ~PLL_RAMP_UP_TIME_3_MASK;
7415 				if (orig != data)
7416 					WREG32_PIF_PHY0(PB0_PIF_PWRDOWN_3, data);
7417 
7418 				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0);
7419 				data &= ~PLL_RAMP_UP_TIME_0_MASK;
7420 				if (orig != data)
7421 					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_0, data);
7422 
7423 				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1);
7424 				data &= ~PLL_RAMP_UP_TIME_1_MASK;
7425 				if (orig != data)
7426 					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_1, data);
7427 
7428 				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_2);
7429 				data &= ~PLL_RAMP_UP_TIME_2_MASK;
7430 				if (orig != data)
7431 					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_2, data);
7432 
7433 				orig = data = RREG32_PIF_PHY1(PB1_PIF_PWRDOWN_3);
7434 				data &= ~PLL_RAMP_UP_TIME_3_MASK;
7435 				if (orig != data)
7436 					WREG32_PIF_PHY1(PB1_PIF_PWRDOWN_3, data);
7437 			}
7438 			orig = data = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
7439 			data &= ~LC_DYN_LANES_PWR_STATE_MASK;
7440 			data |= LC_DYN_LANES_PWR_STATE(3);
7441 			if (orig != data)
7442 				WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, data);
7443 
7444 			orig = data = RREG32_PIF_PHY0(PB0_PIF_CNTL);
7445 			data &= ~LS2_EXIT_TIME_MASK;
7446 			if ((rdev->family == CHIP_OLAND) || (rdev->family == CHIP_HAINAN))
7447 				data |= LS2_EXIT_TIME(5);
7448 			if (orig != data)
7449 				WREG32_PIF_PHY0(PB0_PIF_CNTL, data);
7450 
7451 			orig = data = RREG32_PIF_PHY1(PB1_PIF_CNTL);
7452 			data &= ~LS2_EXIT_TIME_MASK;
7453 			if ((rdev->family == CHIP_OLAND) || (rdev->family == CHIP_HAINAN))
7454 				data |= LS2_EXIT_TIME(5);
7455 			if (orig != data)
7456 				WREG32_PIF_PHY1(PB1_PIF_CNTL, data);
7457 
7458 			if (!disable_clkreq) {
7459 				struct pci_dev *root = rdev->pdev->bus->self;
7460 				u32 lnkcap;
7461 
7462 				clk_req_support = false;
7463 				pcie_capability_read_dword(root, PCI_EXP_LNKCAP, &lnkcap);
7464 				if (lnkcap & PCI_EXP_LNKCAP_CLKPM)
7465 					clk_req_support = true;
7466 			} else {
7467 				clk_req_support = false;
7468 			}
7469 
7470 			if (clk_req_support) {
7471 				orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL2);
7472 				data |= LC_ALLOW_PDWN_IN_L1 | LC_ALLOW_PDWN_IN_L23;
7473 				if (orig != data)
7474 					WREG32_PCIE_PORT(PCIE_LC_CNTL2, data);
7475 
7476 				orig = data = RREG32(THM_CLK_CNTL);
7477 				data &= ~(CMON_CLK_SEL_MASK | TMON_CLK_SEL_MASK);
7478 				data |= CMON_CLK_SEL(1) | TMON_CLK_SEL(1);
7479 				if (orig != data)
7480 					WREG32(THM_CLK_CNTL, data);
7481 
7482 				orig = data = RREG32(MISC_CLK_CNTL);
7483 				data &= ~(DEEP_SLEEP_CLK_SEL_MASK | ZCLK_SEL_MASK);
7484 				data |= DEEP_SLEEP_CLK_SEL(1) | ZCLK_SEL(1);
7485 				if (orig != data)
7486 					WREG32(MISC_CLK_CNTL, data);
7487 
7488 				orig = data = RREG32(CG_CLKPIN_CNTL);
7489 				data &= ~BCLK_AS_XCLK;
7490 				if (orig != data)
7491 					WREG32(CG_CLKPIN_CNTL, data);
7492 
7493 				orig = data = RREG32(CG_CLKPIN_CNTL_2);
7494 				data &= ~FORCE_BIF_REFCLK_EN;
7495 				if (orig != data)
7496 					WREG32(CG_CLKPIN_CNTL_2, data);
7497 
7498 				orig = data = RREG32(MPLL_BYPASSCLK_SEL);
7499 				data &= ~MPLL_CLKOUT_SEL_MASK;
7500 				data |= MPLL_CLKOUT_SEL(4);
7501 				if (orig != data)
7502 					WREG32(MPLL_BYPASSCLK_SEL, data);
7503 
7504 				orig = data = RREG32(SPLL_CNTL_MODE);
7505 				data &= ~SPLL_REFCLK_SEL_MASK;
7506 				if (orig != data)
7507 					WREG32(SPLL_CNTL_MODE, data);
7508 			}
7509 		}
7510 	} else {
7511 		if (orig != data)
7512 			WREG32_PCIE_PORT(PCIE_LC_CNTL, data);
7513 	}
7514 
7515 	orig = data = RREG32_PCIE(PCIE_CNTL2);
7516 	data |= SLV_MEM_LS_EN | MST_MEM_LS_EN | REPLAY_MEM_LS_EN;
7517 	if (orig != data)
7518 		WREG32_PCIE(PCIE_CNTL2, data);
7519 
7520 	if (!disable_l0s) {
7521 		data = RREG32_PCIE_PORT(PCIE_LC_N_FTS_CNTL);
7522 		if((data & LC_N_FTS_MASK) == LC_N_FTS_MASK) {
7523 			data = RREG32_PCIE(PCIE_LC_STATUS1);
7524 			if ((data & LC_REVERSE_XMIT) && (data & LC_REVERSE_RCVR)) {
7525 				orig = data = RREG32_PCIE_PORT(PCIE_LC_CNTL);
7526 				data &= ~LC_L0S_INACTIVITY_MASK;
7527 				if (orig != data)
7528 					WREG32_PCIE_PORT(PCIE_LC_CNTL, data);
7529 			}
7530 		}
7531 	}
7532 }
7533