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Merge tag 'fbdev-fixes-3.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git...
[deliverable/linux.git] / drivers / gpu / drm / radeon / r600.c
1 /*
2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: Dave Airlie
25 * Alex Deucher
26 * Jerome Glisse
27 */
28 #include <linux/slab.h>
29 #include <linux/seq_file.h>
30 #include <linux/firmware.h>
31 #include <linux/module.h>
32 #include <drm/drmP.h>
33 #include <drm/radeon_drm.h>
34 #include "radeon.h"
35 #include "radeon_asic.h"
36 #include "radeon_mode.h"
37 #include "r600d.h"
38 #include "atom.h"
39 #include "avivod.h"
40 #include "radeon_ucode.h"
41
42 /* Firmware Names */
43 MODULE_FIRMWARE("radeon/R600_pfp.bin");
44 MODULE_FIRMWARE("radeon/R600_me.bin");
45 MODULE_FIRMWARE("radeon/RV610_pfp.bin");
46 MODULE_FIRMWARE("radeon/RV610_me.bin");
47 MODULE_FIRMWARE("radeon/RV630_pfp.bin");
48 MODULE_FIRMWARE("radeon/RV630_me.bin");
49 MODULE_FIRMWARE("radeon/RV620_pfp.bin");
50 MODULE_FIRMWARE("radeon/RV620_me.bin");
51 MODULE_FIRMWARE("radeon/RV635_pfp.bin");
52 MODULE_FIRMWARE("radeon/RV635_me.bin");
53 MODULE_FIRMWARE("radeon/RV670_pfp.bin");
54 MODULE_FIRMWARE("radeon/RV670_me.bin");
55 MODULE_FIRMWARE("radeon/RS780_pfp.bin");
56 MODULE_FIRMWARE("radeon/RS780_me.bin");
57 MODULE_FIRMWARE("radeon/RV770_pfp.bin");
58 MODULE_FIRMWARE("radeon/RV770_me.bin");
59 MODULE_FIRMWARE("radeon/RV770_smc.bin");
60 MODULE_FIRMWARE("radeon/RV730_pfp.bin");
61 MODULE_FIRMWARE("radeon/RV730_me.bin");
62 MODULE_FIRMWARE("radeon/RV730_smc.bin");
63 MODULE_FIRMWARE("radeon/RV740_smc.bin");
64 MODULE_FIRMWARE("radeon/RV710_pfp.bin");
65 MODULE_FIRMWARE("radeon/RV710_me.bin");
66 MODULE_FIRMWARE("radeon/RV710_smc.bin");
67 MODULE_FIRMWARE("radeon/R600_rlc.bin");
68 MODULE_FIRMWARE("radeon/R700_rlc.bin");
69 MODULE_FIRMWARE("radeon/CEDAR_pfp.bin");
70 MODULE_FIRMWARE("radeon/CEDAR_me.bin");
71 MODULE_FIRMWARE("radeon/CEDAR_rlc.bin");
72 MODULE_FIRMWARE("radeon/CEDAR_smc.bin");
73 MODULE_FIRMWARE("radeon/REDWOOD_pfp.bin");
74 MODULE_FIRMWARE("radeon/REDWOOD_me.bin");
75 MODULE_FIRMWARE("radeon/REDWOOD_rlc.bin");
76 MODULE_FIRMWARE("radeon/REDWOOD_smc.bin");
77 MODULE_FIRMWARE("radeon/JUNIPER_pfp.bin");
78 MODULE_FIRMWARE("radeon/JUNIPER_me.bin");
79 MODULE_FIRMWARE("radeon/JUNIPER_rlc.bin");
80 MODULE_FIRMWARE("radeon/JUNIPER_smc.bin");
81 MODULE_FIRMWARE("radeon/CYPRESS_pfp.bin");
82 MODULE_FIRMWARE("radeon/CYPRESS_me.bin");
83 MODULE_FIRMWARE("radeon/CYPRESS_rlc.bin");
84 MODULE_FIRMWARE("radeon/CYPRESS_smc.bin");
85 MODULE_FIRMWARE("radeon/PALM_pfp.bin");
86 MODULE_FIRMWARE("radeon/PALM_me.bin");
87 MODULE_FIRMWARE("radeon/SUMO_rlc.bin");
88 MODULE_FIRMWARE("radeon/SUMO_pfp.bin");
89 MODULE_FIRMWARE("radeon/SUMO_me.bin");
90 MODULE_FIRMWARE("radeon/SUMO2_pfp.bin");
91 MODULE_FIRMWARE("radeon/SUMO2_me.bin");
92
93 static const u32 crtc_offsets[2] =
94 {
95 0,
96 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
97 };
98
99 int r600_debugfs_mc_info_init(struct radeon_device *rdev);
100
101 /* r600,rv610,rv630,rv620,rv635,rv670 */
102 int r600_mc_wait_for_idle(struct radeon_device *rdev);
103 static void r600_gpu_init(struct radeon_device *rdev);
104 void r600_fini(struct radeon_device *rdev);
105 void r600_irq_disable(struct radeon_device *rdev);
106 static void r600_pcie_gen2_enable(struct radeon_device *rdev);
107 extern int evergreen_rlc_resume(struct radeon_device *rdev);
108
109 /**
110 * r600_get_xclk - get the xclk
111 *
112 * @rdev: radeon_device pointer
113 *
114 * Returns the reference clock used by the gfx engine
115 * (r6xx, IGPs, APUs).
116 */
117 u32 r600_get_xclk(struct radeon_device *rdev)
118 {
119 return rdev->clock.spll.reference_freq;
120 }
121
122 /* get temperature in millidegrees */
123 int rv6xx_get_temp(struct radeon_device *rdev)
124 {
125 u32 temp = (RREG32(CG_THERMAL_STATUS) & ASIC_T_MASK) >>
126 ASIC_T_SHIFT;
127 int actual_temp = temp & 0xff;
128
129 if (temp & 0x100)
130 actual_temp -= 256;
131
132 return actual_temp * 1000;
133 }
134
135 void r600_pm_get_dynpm_state(struct radeon_device *rdev)
136 {
137 int i;
138
139 rdev->pm.dynpm_can_upclock = true;
140 rdev->pm.dynpm_can_downclock = true;
141
142 /* power state array is low to high, default is first */
143 if ((rdev->flags & RADEON_IS_IGP) || (rdev->family == CHIP_R600)) {
144 int min_power_state_index = 0;
145
146 if (rdev->pm.num_power_states > 2)
147 min_power_state_index = 1;
148
149 switch (rdev->pm.dynpm_planned_action) {
150 case DYNPM_ACTION_MINIMUM:
151 rdev->pm.requested_power_state_index = min_power_state_index;
152 rdev->pm.requested_clock_mode_index = 0;
153 rdev->pm.dynpm_can_downclock = false;
154 break;
155 case DYNPM_ACTION_DOWNCLOCK:
156 if (rdev->pm.current_power_state_index == min_power_state_index) {
157 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
158 rdev->pm.dynpm_can_downclock = false;
159 } else {
160 if (rdev->pm.active_crtc_count > 1) {
161 for (i = 0; i < rdev->pm.num_power_states; i++) {
162 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
163 continue;
164 else if (i >= rdev->pm.current_power_state_index) {
165 rdev->pm.requested_power_state_index =
166 rdev->pm.current_power_state_index;
167 break;
168 } else {
169 rdev->pm.requested_power_state_index = i;
170 break;
171 }
172 }
173 } else {
174 if (rdev->pm.current_power_state_index == 0)
175 rdev->pm.requested_power_state_index =
176 rdev->pm.num_power_states - 1;
177 else
178 rdev->pm.requested_power_state_index =
179 rdev->pm.current_power_state_index - 1;
180 }
181 }
182 rdev->pm.requested_clock_mode_index = 0;
183 /* don't use the power state if crtcs are active and no display flag is set */
184 if ((rdev->pm.active_crtc_count > 0) &&
185 (rdev->pm.power_state[rdev->pm.requested_power_state_index].
186 clock_info[rdev->pm.requested_clock_mode_index].flags &
187 RADEON_PM_MODE_NO_DISPLAY)) {
188 rdev->pm.requested_power_state_index++;
189 }
190 break;
191 case DYNPM_ACTION_UPCLOCK:
192 if (rdev->pm.current_power_state_index == (rdev->pm.num_power_states - 1)) {
193 rdev->pm.requested_power_state_index = rdev->pm.current_power_state_index;
194 rdev->pm.dynpm_can_upclock = false;
195 } else {
196 if (rdev->pm.active_crtc_count > 1) {
197 for (i = (rdev->pm.num_power_states - 1); i >= 0; i--) {
198 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
199 continue;
200 else if (i <= rdev->pm.current_power_state_index) {
201 rdev->pm.requested_power_state_index =
202 rdev->pm.current_power_state_index;
203 break;
204 } else {
205 rdev->pm.requested_power_state_index = i;
206 break;
207 }
208 }
209 } else
210 rdev->pm.requested_power_state_index =
211 rdev->pm.current_power_state_index + 1;
212 }
213 rdev->pm.requested_clock_mode_index = 0;
214 break;
215 case DYNPM_ACTION_DEFAULT:
216 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
217 rdev->pm.requested_clock_mode_index = 0;
218 rdev->pm.dynpm_can_upclock = false;
219 break;
220 case DYNPM_ACTION_NONE:
221 default:
222 DRM_ERROR("Requested mode for not defined action\n");
223 return;
224 }
225 } else {
226 /* XXX select a power state based on AC/DC, single/dualhead, etc. */
227 /* for now just select the first power state and switch between clock modes */
228 /* power state array is low to high, default is first (0) */
229 if (rdev->pm.active_crtc_count > 1) {
230 rdev->pm.requested_power_state_index = -1;
231 /* start at 1 as we don't want the default mode */
232 for (i = 1; i < rdev->pm.num_power_states; i++) {
233 if (rdev->pm.power_state[i].flags & RADEON_PM_STATE_SINGLE_DISPLAY_ONLY)
234 continue;
235 else if ((rdev->pm.power_state[i].type == POWER_STATE_TYPE_PERFORMANCE) ||
236 (rdev->pm.power_state[i].type == POWER_STATE_TYPE_BATTERY)) {
237 rdev->pm.requested_power_state_index = i;
238 break;
239 }
240 }
241 /* if nothing selected, grab the default state. */
242 if (rdev->pm.requested_power_state_index == -1)
243 rdev->pm.requested_power_state_index = 0;
244 } else
245 rdev->pm.requested_power_state_index = 1;
246
247 switch (rdev->pm.dynpm_planned_action) {
248 case DYNPM_ACTION_MINIMUM:
249 rdev->pm.requested_clock_mode_index = 0;
250 rdev->pm.dynpm_can_downclock = false;
251 break;
252 case DYNPM_ACTION_DOWNCLOCK:
253 if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
254 if (rdev->pm.current_clock_mode_index == 0) {
255 rdev->pm.requested_clock_mode_index = 0;
256 rdev->pm.dynpm_can_downclock = false;
257 } else
258 rdev->pm.requested_clock_mode_index =
259 rdev->pm.current_clock_mode_index - 1;
260 } else {
261 rdev->pm.requested_clock_mode_index = 0;
262 rdev->pm.dynpm_can_downclock = false;
263 }
264 /* don't use the power state if crtcs are active and no display flag is set */
265 if ((rdev->pm.active_crtc_count > 0) &&
266 (rdev->pm.power_state[rdev->pm.requested_power_state_index].
267 clock_info[rdev->pm.requested_clock_mode_index].flags &
268 RADEON_PM_MODE_NO_DISPLAY)) {
269 rdev->pm.requested_clock_mode_index++;
270 }
271 break;
272 case DYNPM_ACTION_UPCLOCK:
273 if (rdev->pm.requested_power_state_index == rdev->pm.current_power_state_index) {
274 if (rdev->pm.current_clock_mode_index ==
275 (rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1)) {
276 rdev->pm.requested_clock_mode_index = rdev->pm.current_clock_mode_index;
277 rdev->pm.dynpm_can_upclock = false;
278 } else
279 rdev->pm.requested_clock_mode_index =
280 rdev->pm.current_clock_mode_index + 1;
281 } else {
282 rdev->pm.requested_clock_mode_index =
283 rdev->pm.power_state[rdev->pm.requested_power_state_index].num_clock_modes - 1;
284 rdev->pm.dynpm_can_upclock = false;
285 }
286 break;
287 case DYNPM_ACTION_DEFAULT:
288 rdev->pm.requested_power_state_index = rdev->pm.default_power_state_index;
289 rdev->pm.requested_clock_mode_index = 0;
290 rdev->pm.dynpm_can_upclock = false;
291 break;
292 case DYNPM_ACTION_NONE:
293 default:
294 DRM_ERROR("Requested mode for not defined action\n");
295 return;
296 }
297 }
298
299 DRM_DEBUG_DRIVER("Requested: e: %d m: %d p: %d\n",
300 rdev->pm.power_state[rdev->pm.requested_power_state_index].
301 clock_info[rdev->pm.requested_clock_mode_index].sclk,
302 rdev->pm.power_state[rdev->pm.requested_power_state_index].
303 clock_info[rdev->pm.requested_clock_mode_index].mclk,
304 rdev->pm.power_state[rdev->pm.requested_power_state_index].
305 pcie_lanes);
306 }
307
308 void rs780_pm_init_profile(struct radeon_device *rdev)
309 {
310 if (rdev->pm.num_power_states == 2) {
311 /* default */
312 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
313 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
314 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
315 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
316 /* low sh */
317 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 0;
318 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 0;
319 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
320 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
321 /* mid sh */
322 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 0;
323 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 0;
324 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
325 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
326 /* high sh */
327 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 0;
328 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
329 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
330 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
331 /* low mh */
332 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 0;
333 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
334 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
335 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
336 /* mid mh */
337 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 0;
338 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
339 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
340 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
341 /* high mh */
342 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 0;
343 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 1;
344 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
345 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
346 } else if (rdev->pm.num_power_states == 3) {
347 /* default */
348 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
349 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
350 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
351 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
352 /* low sh */
353 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
354 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
355 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
356 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
357 /* mid sh */
358 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
359 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
360 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
361 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
362 /* high sh */
363 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
364 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 2;
365 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
366 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
367 /* low mh */
368 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 1;
369 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 1;
370 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
371 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
372 /* mid mh */
373 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 1;
374 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 1;
375 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
376 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
377 /* high mh */
378 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 1;
379 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
380 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
381 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
382 } else {
383 /* default */
384 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
385 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
386 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
387 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
388 /* low sh */
389 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 2;
390 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 2;
391 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
392 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
393 /* mid sh */
394 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 2;
395 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 2;
396 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
397 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
398 /* high sh */
399 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 2;
400 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 3;
401 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
402 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
403 /* low mh */
404 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
405 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 0;
406 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
407 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
408 /* mid mh */
409 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
410 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 0;
411 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
412 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
413 /* high mh */
414 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
415 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 3;
416 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
417 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
418 }
419 }
420
421 void r600_pm_init_profile(struct radeon_device *rdev)
422 {
423 int idx;
424
425 if (rdev->family == CHIP_R600) {
426 /* XXX */
427 /* default */
428 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
429 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
430 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
431 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
432 /* low sh */
433 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
434 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
435 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
436 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
437 /* mid sh */
438 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
439 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
440 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
441 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
442 /* high sh */
443 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
444 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
445 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
446 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 0;
447 /* low mh */
448 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
449 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
450 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
451 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
452 /* mid mh */
453 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
454 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
455 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
456 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
457 /* high mh */
458 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
459 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
460 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
461 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 0;
462 } else {
463 if (rdev->pm.num_power_states < 4) {
464 /* default */
465 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
466 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
467 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
468 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
469 /* low sh */
470 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = 1;
471 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = 1;
472 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
473 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
474 /* mid sh */
475 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = 1;
476 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = 1;
477 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
478 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
479 /* high sh */
480 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = 1;
481 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = 1;
482 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
483 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
484 /* low mh */
485 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = 2;
486 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = 2;
487 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
488 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
489 /* low mh */
490 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = 2;
491 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = 2;
492 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
493 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
494 /* high mh */
495 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = 2;
496 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = 2;
497 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
498 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
499 } else {
500 /* default */
501 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
502 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
503 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
504 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
505 /* low sh */
506 if (rdev->flags & RADEON_IS_MOBILITY)
507 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
508 else
509 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
510 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
511 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
512 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
513 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
514 /* mid sh */
515 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
516 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
517 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
518 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
519 /* high sh */
520 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
521 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
522 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
523 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
524 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
525 /* low mh */
526 if (rdev->flags & RADEON_IS_MOBILITY)
527 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 1);
528 else
529 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
530 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
531 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
532 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
533 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
534 /* mid mh */
535 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
536 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
537 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
538 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
539 /* high mh */
540 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 1);
541 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
542 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
543 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
544 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
545 }
546 }
547 }
548
549 void r600_pm_misc(struct radeon_device *rdev)
550 {
551 int req_ps_idx = rdev->pm.requested_power_state_index;
552 int req_cm_idx = rdev->pm.requested_clock_mode_index;
553 struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
554 struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
555
556 if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
557 /* 0xff01 is a flag rather then an actual voltage */
558 if (voltage->voltage == 0xff01)
559 return;
560 if (voltage->voltage != rdev->pm.current_vddc) {
561 radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
562 rdev->pm.current_vddc = voltage->voltage;
563 DRM_DEBUG_DRIVER("Setting: v: %d\n", voltage->voltage);
564 }
565 }
566 }
567
568 bool r600_gui_idle(struct radeon_device *rdev)
569 {
570 if (RREG32(GRBM_STATUS) & GUI_ACTIVE)
571 return false;
572 else
573 return true;
574 }
575
576 /* hpd for digital panel detect/disconnect */
577 bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
578 {
579 bool connected = false;
580
581 if (ASIC_IS_DCE3(rdev)) {
582 switch (hpd) {
583 case RADEON_HPD_1:
584 if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
585 connected = true;
586 break;
587 case RADEON_HPD_2:
588 if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
589 connected = true;
590 break;
591 case RADEON_HPD_3:
592 if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
593 connected = true;
594 break;
595 case RADEON_HPD_4:
596 if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
597 connected = true;
598 break;
599 /* DCE 3.2 */
600 case RADEON_HPD_5:
601 if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
602 connected = true;
603 break;
604 case RADEON_HPD_6:
605 if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
606 connected = true;
607 break;
608 default:
609 break;
610 }
611 } else {
612 switch (hpd) {
613 case RADEON_HPD_1:
614 if (RREG32(DC_HOT_PLUG_DETECT1_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
615 connected = true;
616 break;
617 case RADEON_HPD_2:
618 if (RREG32(DC_HOT_PLUG_DETECT2_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
619 connected = true;
620 break;
621 case RADEON_HPD_3:
622 if (RREG32(DC_HOT_PLUG_DETECT3_INT_STATUS) & DC_HOT_PLUG_DETECTx_SENSE)
623 connected = true;
624 break;
625 default:
626 break;
627 }
628 }
629 return connected;
630 }
631
632 void r600_hpd_set_polarity(struct radeon_device *rdev,
633 enum radeon_hpd_id hpd)
634 {
635 u32 tmp;
636 bool connected = r600_hpd_sense(rdev, hpd);
637
638 if (ASIC_IS_DCE3(rdev)) {
639 switch (hpd) {
640 case RADEON_HPD_1:
641 tmp = RREG32(DC_HPD1_INT_CONTROL);
642 if (connected)
643 tmp &= ~DC_HPDx_INT_POLARITY;
644 else
645 tmp |= DC_HPDx_INT_POLARITY;
646 WREG32(DC_HPD1_INT_CONTROL, tmp);
647 break;
648 case RADEON_HPD_2:
649 tmp = RREG32(DC_HPD2_INT_CONTROL);
650 if (connected)
651 tmp &= ~DC_HPDx_INT_POLARITY;
652 else
653 tmp |= DC_HPDx_INT_POLARITY;
654 WREG32(DC_HPD2_INT_CONTROL, tmp);
655 break;
656 case RADEON_HPD_3:
657 tmp = RREG32(DC_HPD3_INT_CONTROL);
658 if (connected)
659 tmp &= ~DC_HPDx_INT_POLARITY;
660 else
661 tmp |= DC_HPDx_INT_POLARITY;
662 WREG32(DC_HPD3_INT_CONTROL, tmp);
663 break;
664 case RADEON_HPD_4:
665 tmp = RREG32(DC_HPD4_INT_CONTROL);
666 if (connected)
667 tmp &= ~DC_HPDx_INT_POLARITY;
668 else
669 tmp |= DC_HPDx_INT_POLARITY;
670 WREG32(DC_HPD4_INT_CONTROL, tmp);
671 break;
672 case RADEON_HPD_5:
673 tmp = RREG32(DC_HPD5_INT_CONTROL);
674 if (connected)
675 tmp &= ~DC_HPDx_INT_POLARITY;
676 else
677 tmp |= DC_HPDx_INT_POLARITY;
678 WREG32(DC_HPD5_INT_CONTROL, tmp);
679 break;
680 /* DCE 3.2 */
681 case RADEON_HPD_6:
682 tmp = RREG32(DC_HPD6_INT_CONTROL);
683 if (connected)
684 tmp &= ~DC_HPDx_INT_POLARITY;
685 else
686 tmp |= DC_HPDx_INT_POLARITY;
687 WREG32(DC_HPD6_INT_CONTROL, tmp);
688 break;
689 default:
690 break;
691 }
692 } else {
693 switch (hpd) {
694 case RADEON_HPD_1:
695 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
696 if (connected)
697 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
698 else
699 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
700 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
701 break;
702 case RADEON_HPD_2:
703 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
704 if (connected)
705 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
706 else
707 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
708 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
709 break;
710 case RADEON_HPD_3:
711 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
712 if (connected)
713 tmp &= ~DC_HOT_PLUG_DETECTx_INT_POLARITY;
714 else
715 tmp |= DC_HOT_PLUG_DETECTx_INT_POLARITY;
716 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
717 break;
718 default:
719 break;
720 }
721 }
722 }
723
724 void r600_hpd_init(struct radeon_device *rdev)
725 {
726 struct drm_device *dev = rdev->ddev;
727 struct drm_connector *connector;
728 unsigned enable = 0;
729
730 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
731 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
732
733 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
734 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
735 /* don't try to enable hpd on eDP or LVDS avoid breaking the
736 * aux dp channel on imac and help (but not completely fix)
737 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
738 */
739 continue;
740 }
741 if (ASIC_IS_DCE3(rdev)) {
742 u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) | DC_HPDx_RX_INT_TIMER(0xfa);
743 if (ASIC_IS_DCE32(rdev))
744 tmp |= DC_HPDx_EN;
745
746 switch (radeon_connector->hpd.hpd) {
747 case RADEON_HPD_1:
748 WREG32(DC_HPD1_CONTROL, tmp);
749 break;
750 case RADEON_HPD_2:
751 WREG32(DC_HPD2_CONTROL, tmp);
752 break;
753 case RADEON_HPD_3:
754 WREG32(DC_HPD3_CONTROL, tmp);
755 break;
756 case RADEON_HPD_4:
757 WREG32(DC_HPD4_CONTROL, tmp);
758 break;
759 /* DCE 3.2 */
760 case RADEON_HPD_5:
761 WREG32(DC_HPD5_CONTROL, tmp);
762 break;
763 case RADEON_HPD_6:
764 WREG32(DC_HPD6_CONTROL, tmp);
765 break;
766 default:
767 break;
768 }
769 } else {
770 switch (radeon_connector->hpd.hpd) {
771 case RADEON_HPD_1:
772 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, DC_HOT_PLUG_DETECTx_EN);
773 break;
774 case RADEON_HPD_2:
775 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, DC_HOT_PLUG_DETECTx_EN);
776 break;
777 case RADEON_HPD_3:
778 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, DC_HOT_PLUG_DETECTx_EN);
779 break;
780 default:
781 break;
782 }
783 }
784 enable |= 1 << radeon_connector->hpd.hpd;
785 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
786 }
787 radeon_irq_kms_enable_hpd(rdev, enable);
788 }
789
790 void r600_hpd_fini(struct radeon_device *rdev)
791 {
792 struct drm_device *dev = rdev->ddev;
793 struct drm_connector *connector;
794 unsigned disable = 0;
795
796 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
797 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
798 if (ASIC_IS_DCE3(rdev)) {
799 switch (radeon_connector->hpd.hpd) {
800 case RADEON_HPD_1:
801 WREG32(DC_HPD1_CONTROL, 0);
802 break;
803 case RADEON_HPD_2:
804 WREG32(DC_HPD2_CONTROL, 0);
805 break;
806 case RADEON_HPD_3:
807 WREG32(DC_HPD3_CONTROL, 0);
808 break;
809 case RADEON_HPD_4:
810 WREG32(DC_HPD4_CONTROL, 0);
811 break;
812 /* DCE 3.2 */
813 case RADEON_HPD_5:
814 WREG32(DC_HPD5_CONTROL, 0);
815 break;
816 case RADEON_HPD_6:
817 WREG32(DC_HPD6_CONTROL, 0);
818 break;
819 default:
820 break;
821 }
822 } else {
823 switch (radeon_connector->hpd.hpd) {
824 case RADEON_HPD_1:
825 WREG32(DC_HOT_PLUG_DETECT1_CONTROL, 0);
826 break;
827 case RADEON_HPD_2:
828 WREG32(DC_HOT_PLUG_DETECT2_CONTROL, 0);
829 break;
830 case RADEON_HPD_3:
831 WREG32(DC_HOT_PLUG_DETECT3_CONTROL, 0);
832 break;
833 default:
834 break;
835 }
836 }
837 disable |= 1 << radeon_connector->hpd.hpd;
838 }
839 radeon_irq_kms_disable_hpd(rdev, disable);
840 }
841
842 /*
843 * R600 PCIE GART
844 */
845 void r600_pcie_gart_tlb_flush(struct radeon_device *rdev)
846 {
847 unsigned i;
848 u32 tmp;
849
850 /* flush hdp cache so updates hit vram */
851 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
852 !(rdev->flags & RADEON_IS_AGP)) {
853 void __iomem *ptr = (void *)rdev->gart.ptr;
854 u32 tmp;
855
856 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read
857 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
858 * This seems to cause problems on some AGP cards. Just use the old
859 * method for them.
860 */
861 WREG32(HDP_DEBUG1, 0);
862 tmp = readl((void __iomem *)ptr);
863 } else
864 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
865
866 WREG32(VM_CONTEXT0_INVALIDATION_LOW_ADDR, rdev->mc.gtt_start >> 12);
867 WREG32(VM_CONTEXT0_INVALIDATION_HIGH_ADDR, (rdev->mc.gtt_end - 1) >> 12);
868 WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
869 for (i = 0; i < rdev->usec_timeout; i++) {
870 /* read MC_STATUS */
871 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
872 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
873 if (tmp == 2) {
874 printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
875 return;
876 }
877 if (tmp) {
878 return;
879 }
880 udelay(1);
881 }
882 }
883
884 int r600_pcie_gart_init(struct radeon_device *rdev)
885 {
886 int r;
887
888 if (rdev->gart.robj) {
889 WARN(1, "R600 PCIE GART already initialized\n");
890 return 0;
891 }
892 /* Initialize common gart structure */
893 r = radeon_gart_init(rdev);
894 if (r)
895 return r;
896 rdev->gart.table_size = rdev->gart.num_gpu_pages * 8;
897 return radeon_gart_table_vram_alloc(rdev);
898 }
899
900 static int r600_pcie_gart_enable(struct radeon_device *rdev)
901 {
902 u32 tmp;
903 int r, i;
904
905 if (rdev->gart.robj == NULL) {
906 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
907 return -EINVAL;
908 }
909 r = radeon_gart_table_vram_pin(rdev);
910 if (r)
911 return r;
912 radeon_gart_restore(rdev);
913
914 /* Setup L2 cache */
915 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
916 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
917 EFFECTIVE_L2_QUEUE_SIZE(7));
918 WREG32(VM_L2_CNTL2, 0);
919 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
920 /* Setup TLB control */
921 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
922 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
923 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
924 ENABLE_WAIT_L2_QUERY;
925 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
926 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
927 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
928 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
929 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
930 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
931 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
932 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
933 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
934 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
935 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
936 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
937 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
938 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
939 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
940 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
941 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
942 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
943 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
944 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
945 (u32)(rdev->dummy_page.addr >> 12));
946 for (i = 1; i < 7; i++)
947 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
948
949 r600_pcie_gart_tlb_flush(rdev);
950 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
951 (unsigned)(rdev->mc.gtt_size >> 20),
952 (unsigned long long)rdev->gart.table_addr);
953 rdev->gart.ready = true;
954 return 0;
955 }
956
957 static void r600_pcie_gart_disable(struct radeon_device *rdev)
958 {
959 u32 tmp;
960 int i;
961
962 /* Disable all tables */
963 for (i = 0; i < 7; i++)
964 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
965
966 /* Disable L2 cache */
967 WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
968 EFFECTIVE_L2_QUEUE_SIZE(7));
969 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
970 /* Setup L1 TLB control */
971 tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
972 ENABLE_WAIT_L2_QUERY;
973 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
974 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
975 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
976 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
977 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
978 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
979 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
980 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
981 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp);
982 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp);
983 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
984 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
985 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp);
986 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
987 radeon_gart_table_vram_unpin(rdev);
988 }
989
990 static void r600_pcie_gart_fini(struct radeon_device *rdev)
991 {
992 radeon_gart_fini(rdev);
993 r600_pcie_gart_disable(rdev);
994 radeon_gart_table_vram_free(rdev);
995 }
996
997 static void r600_agp_enable(struct radeon_device *rdev)
998 {
999 u32 tmp;
1000 int i;
1001
1002 /* Setup L2 cache */
1003 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
1004 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1005 EFFECTIVE_L2_QUEUE_SIZE(7));
1006 WREG32(VM_L2_CNTL2, 0);
1007 WREG32(VM_L2_CNTL3, BANK_SELECT_0(0) | BANK_SELECT_1(1));
1008 /* Setup TLB control */
1009 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
1010 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1011 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5) |
1012 ENABLE_WAIT_L2_QUERY;
1013 WREG32(MC_VM_L1_TLB_MCB_RD_SYS_CNTL, tmp);
1014 WREG32(MC_VM_L1_TLB_MCB_WR_SYS_CNTL, tmp);
1015 WREG32(MC_VM_L1_TLB_MCB_RD_HDP_CNTL, tmp | ENABLE_L1_STRICT_ORDERING);
1016 WREG32(MC_VM_L1_TLB_MCB_WR_HDP_CNTL, tmp);
1017 WREG32(MC_VM_L1_TLB_MCD_RD_A_CNTL, tmp);
1018 WREG32(MC_VM_L1_TLB_MCD_WR_A_CNTL, tmp);
1019 WREG32(MC_VM_L1_TLB_MCD_RD_B_CNTL, tmp);
1020 WREG32(MC_VM_L1_TLB_MCD_WR_B_CNTL, tmp);
1021 WREG32(MC_VM_L1_TLB_MCB_RD_GFX_CNTL, tmp);
1022 WREG32(MC_VM_L1_TLB_MCB_WR_GFX_CNTL, tmp);
1023 WREG32(MC_VM_L1_TLB_MCB_RD_PDMA_CNTL, tmp);
1024 WREG32(MC_VM_L1_TLB_MCB_WR_PDMA_CNTL, tmp);
1025 WREG32(MC_VM_L1_TLB_MCB_RD_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1026 WREG32(MC_VM_L1_TLB_MCB_WR_SEM_CNTL, tmp | ENABLE_SEMAPHORE_MODE);
1027 for (i = 0; i < 7; i++)
1028 WREG32(VM_CONTEXT0_CNTL + (i * 4), 0);
1029 }
1030
1031 int r600_mc_wait_for_idle(struct radeon_device *rdev)
1032 {
1033 unsigned i;
1034 u32 tmp;
1035
1036 for (i = 0; i < rdev->usec_timeout; i++) {
1037 /* read MC_STATUS */
1038 tmp = RREG32(R_000E50_SRBM_STATUS) & 0x3F00;
1039 if (!tmp)
1040 return 0;
1041 udelay(1);
1042 }
1043 return -1;
1044 }
1045
1046 uint32_t rs780_mc_rreg(struct radeon_device *rdev, uint32_t reg)
1047 {
1048 uint32_t r;
1049
1050 WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg));
1051 r = RREG32(R_0028FC_MC_DATA);
1052 WREG32(R_0028F8_MC_INDEX, ~C_0028F8_MC_IND_ADDR);
1053 return r;
1054 }
1055
1056 void rs780_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
1057 {
1058 WREG32(R_0028F8_MC_INDEX, S_0028F8_MC_IND_ADDR(reg) |
1059 S_0028F8_MC_IND_WR_EN(1));
1060 WREG32(R_0028FC_MC_DATA, v);
1061 WREG32(R_0028F8_MC_INDEX, 0x7F);
1062 }
1063
1064 static void r600_mc_program(struct radeon_device *rdev)
1065 {
1066 struct rv515_mc_save save;
1067 u32 tmp;
1068 int i, j;
1069
1070 /* Initialize HDP */
1071 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1072 WREG32((0x2c14 + j), 0x00000000);
1073 WREG32((0x2c18 + j), 0x00000000);
1074 WREG32((0x2c1c + j), 0x00000000);
1075 WREG32((0x2c20 + j), 0x00000000);
1076 WREG32((0x2c24 + j), 0x00000000);
1077 }
1078 WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
1079
1080 rv515_mc_stop(rdev, &save);
1081 if (r600_mc_wait_for_idle(rdev)) {
1082 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1083 }
1084 /* Lockout access through VGA aperture (doesn't exist before R600) */
1085 WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
1086 /* Update configuration */
1087 if (rdev->flags & RADEON_IS_AGP) {
1088 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1089 /* VRAM before AGP */
1090 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1091 rdev->mc.vram_start >> 12);
1092 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1093 rdev->mc.gtt_end >> 12);
1094 } else {
1095 /* VRAM after AGP */
1096 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1097 rdev->mc.gtt_start >> 12);
1098 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1099 rdev->mc.vram_end >> 12);
1100 }
1101 } else {
1102 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR, rdev->mc.vram_start >> 12);
1103 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR, rdev->mc.vram_end >> 12);
1104 }
1105 WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
1106 tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
1107 tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1108 WREG32(MC_VM_FB_LOCATION, tmp);
1109 WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1110 WREG32(HDP_NONSURFACE_INFO, (2 << 7));
1111 WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1112 if (rdev->flags & RADEON_IS_AGP) {
1113 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 22);
1114 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 22);
1115 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1116 } else {
1117 WREG32(MC_VM_AGP_BASE, 0);
1118 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1119 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1120 }
1121 if (r600_mc_wait_for_idle(rdev)) {
1122 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1123 }
1124 rv515_mc_resume(rdev, &save);
1125 /* we need to own VRAM, so turn off the VGA renderer here
1126 * to stop it overwriting our objects */
1127 rv515_vga_render_disable(rdev);
1128 }
1129
1130 /**
1131 * r600_vram_gtt_location - try to find VRAM & GTT location
1132 * @rdev: radeon device structure holding all necessary informations
1133 * @mc: memory controller structure holding memory informations
1134 *
1135 * Function will place try to place VRAM at same place as in CPU (PCI)
1136 * address space as some GPU seems to have issue when we reprogram at
1137 * different address space.
1138 *
1139 * If there is not enough space to fit the unvisible VRAM after the
1140 * aperture then we limit the VRAM size to the aperture.
1141 *
1142 * If we are using AGP then place VRAM adjacent to AGP aperture are we need
1143 * them to be in one from GPU point of view so that we can program GPU to
1144 * catch access outside them (weird GPU policy see ??).
1145 *
1146 * This function will never fails, worst case are limiting VRAM or GTT.
1147 *
1148 * Note: GTT start, end, size should be initialized before calling this
1149 * function on AGP platform.
1150 */
1151 static void r600_vram_gtt_location(struct radeon_device *rdev, struct radeon_mc *mc)
1152 {
1153 u64 size_bf, size_af;
1154
1155 if (mc->mc_vram_size > 0xE0000000) {
1156 /* leave room for at least 512M GTT */
1157 dev_warn(rdev->dev, "limiting VRAM\n");
1158 mc->real_vram_size = 0xE0000000;
1159 mc->mc_vram_size = 0xE0000000;
1160 }
1161 if (rdev->flags & RADEON_IS_AGP) {
1162 size_bf = mc->gtt_start;
1163 size_af = mc->mc_mask - mc->gtt_end;
1164 if (size_bf > size_af) {
1165 if (mc->mc_vram_size > size_bf) {
1166 dev_warn(rdev->dev, "limiting VRAM\n");
1167 mc->real_vram_size = size_bf;
1168 mc->mc_vram_size = size_bf;
1169 }
1170 mc->vram_start = mc->gtt_start - mc->mc_vram_size;
1171 } else {
1172 if (mc->mc_vram_size > size_af) {
1173 dev_warn(rdev->dev, "limiting VRAM\n");
1174 mc->real_vram_size = size_af;
1175 mc->mc_vram_size = size_af;
1176 }
1177 mc->vram_start = mc->gtt_end + 1;
1178 }
1179 mc->vram_end = mc->vram_start + mc->mc_vram_size - 1;
1180 dev_info(rdev->dev, "VRAM: %lluM 0x%08llX - 0x%08llX (%lluM used)\n",
1181 mc->mc_vram_size >> 20, mc->vram_start,
1182 mc->vram_end, mc->real_vram_size >> 20);
1183 } else {
1184 u64 base = 0;
1185 if (rdev->flags & RADEON_IS_IGP) {
1186 base = RREG32(MC_VM_FB_LOCATION) & 0xFFFF;
1187 base <<= 24;
1188 }
1189 radeon_vram_location(rdev, &rdev->mc, base);
1190 rdev->mc.gtt_base_align = 0;
1191 radeon_gtt_location(rdev, mc);
1192 }
1193 }
1194
1195 static int r600_mc_init(struct radeon_device *rdev)
1196 {
1197 u32 tmp;
1198 int chansize, numchan;
1199 uint32_t h_addr, l_addr;
1200 unsigned long long k8_addr;
1201
1202 /* Get VRAM informations */
1203 rdev->mc.vram_is_ddr = true;
1204 tmp = RREG32(RAMCFG);
1205 if (tmp & CHANSIZE_OVERRIDE) {
1206 chansize = 16;
1207 } else if (tmp & CHANSIZE_MASK) {
1208 chansize = 64;
1209 } else {
1210 chansize = 32;
1211 }
1212 tmp = RREG32(CHMAP);
1213 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1214 case 0:
1215 default:
1216 numchan = 1;
1217 break;
1218 case 1:
1219 numchan = 2;
1220 break;
1221 case 2:
1222 numchan = 4;
1223 break;
1224 case 3:
1225 numchan = 8;
1226 break;
1227 }
1228 rdev->mc.vram_width = numchan * chansize;
1229 /* Could aper size report 0 ? */
1230 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
1231 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
1232 /* Setup GPU memory space */
1233 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
1234 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
1235 rdev->mc.visible_vram_size = rdev->mc.aper_size;
1236 r600_vram_gtt_location(rdev, &rdev->mc);
1237
1238 if (rdev->flags & RADEON_IS_IGP) {
1239 rs690_pm_info(rdev);
1240 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
1241
1242 if (rdev->family == CHIP_RS780 || rdev->family == CHIP_RS880) {
1243 /* Use K8 direct mapping for fast fb access. */
1244 rdev->fastfb_working = false;
1245 h_addr = G_000012_K8_ADDR_EXT(RREG32_MC(R_000012_MC_MISC_UMA_CNTL));
1246 l_addr = RREG32_MC(R_000011_K8_FB_LOCATION);
1247 k8_addr = ((unsigned long long)h_addr) << 32 | l_addr;
1248 #if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE)
1249 if (k8_addr + rdev->mc.visible_vram_size < 0x100000000ULL)
1250 #endif
1251 {
1252 /* FastFB shall be used with UMA memory. Here it is simply disabled when sideport
1253 * memory is present.
1254 */
1255 if (rdev->mc.igp_sideport_enabled == false && radeon_fastfb == 1) {
1256 DRM_INFO("Direct mapping: aper base at 0x%llx, replaced by direct mapping base 0x%llx.\n",
1257 (unsigned long long)rdev->mc.aper_base, k8_addr);
1258 rdev->mc.aper_base = (resource_size_t)k8_addr;
1259 rdev->fastfb_working = true;
1260 }
1261 }
1262 }
1263 }
1264
1265 radeon_update_bandwidth_info(rdev);
1266 return 0;
1267 }
1268
1269 int r600_vram_scratch_init(struct radeon_device *rdev)
1270 {
1271 int r;
1272
1273 if (rdev->vram_scratch.robj == NULL) {
1274 r = radeon_bo_create(rdev, RADEON_GPU_PAGE_SIZE,
1275 PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM,
1276 NULL, &rdev->vram_scratch.robj);
1277 if (r) {
1278 return r;
1279 }
1280 }
1281
1282 r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
1283 if (unlikely(r != 0))
1284 return r;
1285 r = radeon_bo_pin(rdev->vram_scratch.robj,
1286 RADEON_GEM_DOMAIN_VRAM, &rdev->vram_scratch.gpu_addr);
1287 if (r) {
1288 radeon_bo_unreserve(rdev->vram_scratch.robj);
1289 return r;
1290 }
1291 r = radeon_bo_kmap(rdev->vram_scratch.robj,
1292 (void **)&rdev->vram_scratch.ptr);
1293 if (r)
1294 radeon_bo_unpin(rdev->vram_scratch.robj);
1295 radeon_bo_unreserve(rdev->vram_scratch.robj);
1296
1297 return r;
1298 }
1299
1300 void r600_vram_scratch_fini(struct radeon_device *rdev)
1301 {
1302 int r;
1303
1304 if (rdev->vram_scratch.robj == NULL) {
1305 return;
1306 }
1307 r = radeon_bo_reserve(rdev->vram_scratch.robj, false);
1308 if (likely(r == 0)) {
1309 radeon_bo_kunmap(rdev->vram_scratch.robj);
1310 radeon_bo_unpin(rdev->vram_scratch.robj);
1311 radeon_bo_unreserve(rdev->vram_scratch.robj);
1312 }
1313 radeon_bo_unref(&rdev->vram_scratch.robj);
1314 }
1315
1316 void r600_set_bios_scratch_engine_hung(struct radeon_device *rdev, bool hung)
1317 {
1318 u32 tmp = RREG32(R600_BIOS_3_SCRATCH);
1319
1320 if (hung)
1321 tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
1322 else
1323 tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
1324
1325 WREG32(R600_BIOS_3_SCRATCH, tmp);
1326 }
1327
1328 static void r600_print_gpu_status_regs(struct radeon_device *rdev)
1329 {
1330 dev_info(rdev->dev, " R_008010_GRBM_STATUS = 0x%08X\n",
1331 RREG32(R_008010_GRBM_STATUS));
1332 dev_info(rdev->dev, " R_008014_GRBM_STATUS2 = 0x%08X\n",
1333 RREG32(R_008014_GRBM_STATUS2));
1334 dev_info(rdev->dev, " R_000E50_SRBM_STATUS = 0x%08X\n",
1335 RREG32(R_000E50_SRBM_STATUS));
1336 dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n",
1337 RREG32(CP_STALLED_STAT1));
1338 dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n",
1339 RREG32(CP_STALLED_STAT2));
1340 dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n",
1341 RREG32(CP_BUSY_STAT));
1342 dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n",
1343 RREG32(CP_STAT));
1344 dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n",
1345 RREG32(DMA_STATUS_REG));
1346 }
1347
1348 static bool r600_is_display_hung(struct radeon_device *rdev)
1349 {
1350 u32 crtc_hung = 0;
1351 u32 crtc_status[2];
1352 u32 i, j, tmp;
1353
1354 for (i = 0; i < rdev->num_crtc; i++) {
1355 if (RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN) {
1356 crtc_status[i] = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
1357 crtc_hung |= (1 << i);
1358 }
1359 }
1360
1361 for (j = 0; j < 10; j++) {
1362 for (i = 0; i < rdev->num_crtc; i++) {
1363 if (crtc_hung & (1 << i)) {
1364 tmp = RREG32(AVIVO_D1CRTC_STATUS_HV_COUNT + crtc_offsets[i]);
1365 if (tmp != crtc_status[i])
1366 crtc_hung &= ~(1 << i);
1367 }
1368 }
1369 if (crtc_hung == 0)
1370 return false;
1371 udelay(100);
1372 }
1373
1374 return true;
1375 }
1376
1377 static u32 r600_gpu_check_soft_reset(struct radeon_device *rdev)
1378 {
1379 u32 reset_mask = 0;
1380 u32 tmp;
1381
1382 /* GRBM_STATUS */
1383 tmp = RREG32(R_008010_GRBM_STATUS);
1384 if (rdev->family >= CHIP_RV770) {
1385 if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) |
1386 G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) |
1387 G_008010_TA_BUSY(tmp) | G_008010_VGT_BUSY(tmp) |
1388 G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) |
1389 G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp))
1390 reset_mask |= RADEON_RESET_GFX;
1391 } else {
1392 if (G_008010_PA_BUSY(tmp) | G_008010_SC_BUSY(tmp) |
1393 G_008010_SH_BUSY(tmp) | G_008010_SX_BUSY(tmp) |
1394 G_008010_TA03_BUSY(tmp) | G_008010_VGT_BUSY(tmp) |
1395 G_008010_DB03_BUSY(tmp) | G_008010_CB03_BUSY(tmp) |
1396 G_008010_SPI03_BUSY(tmp) | G_008010_VGT_BUSY_NO_DMA(tmp))
1397 reset_mask |= RADEON_RESET_GFX;
1398 }
1399
1400 if (G_008010_CF_RQ_PENDING(tmp) | G_008010_PF_RQ_PENDING(tmp) |
1401 G_008010_CP_BUSY(tmp) | G_008010_CP_COHERENCY_BUSY(tmp))
1402 reset_mask |= RADEON_RESET_CP;
1403
1404 if (G_008010_GRBM_EE_BUSY(tmp))
1405 reset_mask |= RADEON_RESET_GRBM | RADEON_RESET_GFX | RADEON_RESET_CP;
1406
1407 /* DMA_STATUS_REG */
1408 tmp = RREG32(DMA_STATUS_REG);
1409 if (!(tmp & DMA_IDLE))
1410 reset_mask |= RADEON_RESET_DMA;
1411
1412 /* SRBM_STATUS */
1413 tmp = RREG32(R_000E50_SRBM_STATUS);
1414 if (G_000E50_RLC_RQ_PENDING(tmp) | G_000E50_RLC_BUSY(tmp))
1415 reset_mask |= RADEON_RESET_RLC;
1416
1417 if (G_000E50_IH_BUSY(tmp))
1418 reset_mask |= RADEON_RESET_IH;
1419
1420 if (G_000E50_SEM_BUSY(tmp))
1421 reset_mask |= RADEON_RESET_SEM;
1422
1423 if (G_000E50_GRBM_RQ_PENDING(tmp))
1424 reset_mask |= RADEON_RESET_GRBM;
1425
1426 if (G_000E50_VMC_BUSY(tmp))
1427 reset_mask |= RADEON_RESET_VMC;
1428
1429 if (G_000E50_MCB_BUSY(tmp) | G_000E50_MCDZ_BUSY(tmp) |
1430 G_000E50_MCDY_BUSY(tmp) | G_000E50_MCDX_BUSY(tmp) |
1431 G_000E50_MCDW_BUSY(tmp))
1432 reset_mask |= RADEON_RESET_MC;
1433
1434 if (r600_is_display_hung(rdev))
1435 reset_mask |= RADEON_RESET_DISPLAY;
1436
1437 /* Skip MC reset as it's mostly likely not hung, just busy */
1438 if (reset_mask & RADEON_RESET_MC) {
1439 DRM_DEBUG("MC busy: 0x%08X, clearing.\n", reset_mask);
1440 reset_mask &= ~RADEON_RESET_MC;
1441 }
1442
1443 return reset_mask;
1444 }
1445
1446 static void r600_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
1447 {
1448 struct rv515_mc_save save;
1449 u32 grbm_soft_reset = 0, srbm_soft_reset = 0;
1450 u32 tmp;
1451
1452 if (reset_mask == 0)
1453 return;
1454
1455 dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
1456
1457 r600_print_gpu_status_regs(rdev);
1458
1459 /* Disable CP parsing/prefetching */
1460 if (rdev->family >= CHIP_RV770)
1461 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1) | S_0086D8_CP_PFP_HALT(1));
1462 else
1463 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
1464
1465 /* disable the RLC */
1466 WREG32(RLC_CNTL, 0);
1467
1468 if (reset_mask & RADEON_RESET_DMA) {
1469 /* Disable DMA */
1470 tmp = RREG32(DMA_RB_CNTL);
1471 tmp &= ~DMA_RB_ENABLE;
1472 WREG32(DMA_RB_CNTL, tmp);
1473 }
1474
1475 mdelay(50);
1476
1477 rv515_mc_stop(rdev, &save);
1478 if (r600_mc_wait_for_idle(rdev)) {
1479 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1480 }
1481
1482 if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE)) {
1483 if (rdev->family >= CHIP_RV770)
1484 grbm_soft_reset |= S_008020_SOFT_RESET_DB(1) |
1485 S_008020_SOFT_RESET_CB(1) |
1486 S_008020_SOFT_RESET_PA(1) |
1487 S_008020_SOFT_RESET_SC(1) |
1488 S_008020_SOFT_RESET_SPI(1) |
1489 S_008020_SOFT_RESET_SX(1) |
1490 S_008020_SOFT_RESET_SH(1) |
1491 S_008020_SOFT_RESET_TC(1) |
1492 S_008020_SOFT_RESET_TA(1) |
1493 S_008020_SOFT_RESET_VC(1) |
1494 S_008020_SOFT_RESET_VGT(1);
1495 else
1496 grbm_soft_reset |= S_008020_SOFT_RESET_CR(1) |
1497 S_008020_SOFT_RESET_DB(1) |
1498 S_008020_SOFT_RESET_CB(1) |
1499 S_008020_SOFT_RESET_PA(1) |
1500 S_008020_SOFT_RESET_SC(1) |
1501 S_008020_SOFT_RESET_SMX(1) |
1502 S_008020_SOFT_RESET_SPI(1) |
1503 S_008020_SOFT_RESET_SX(1) |
1504 S_008020_SOFT_RESET_SH(1) |
1505 S_008020_SOFT_RESET_TC(1) |
1506 S_008020_SOFT_RESET_TA(1) |
1507 S_008020_SOFT_RESET_VC(1) |
1508 S_008020_SOFT_RESET_VGT(1);
1509 }
1510
1511 if (reset_mask & RADEON_RESET_CP) {
1512 grbm_soft_reset |= S_008020_SOFT_RESET_CP(1) |
1513 S_008020_SOFT_RESET_VGT(1);
1514
1515 srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1);
1516 }
1517
1518 if (reset_mask & RADEON_RESET_DMA) {
1519 if (rdev->family >= CHIP_RV770)
1520 srbm_soft_reset |= RV770_SOFT_RESET_DMA;
1521 else
1522 srbm_soft_reset |= SOFT_RESET_DMA;
1523 }
1524
1525 if (reset_mask & RADEON_RESET_RLC)
1526 srbm_soft_reset |= S_000E60_SOFT_RESET_RLC(1);
1527
1528 if (reset_mask & RADEON_RESET_SEM)
1529 srbm_soft_reset |= S_000E60_SOFT_RESET_SEM(1);
1530
1531 if (reset_mask & RADEON_RESET_IH)
1532 srbm_soft_reset |= S_000E60_SOFT_RESET_IH(1);
1533
1534 if (reset_mask & RADEON_RESET_GRBM)
1535 srbm_soft_reset |= S_000E60_SOFT_RESET_GRBM(1);
1536
1537 if (!(rdev->flags & RADEON_IS_IGP)) {
1538 if (reset_mask & RADEON_RESET_MC)
1539 srbm_soft_reset |= S_000E60_SOFT_RESET_MC(1);
1540 }
1541
1542 if (reset_mask & RADEON_RESET_VMC)
1543 srbm_soft_reset |= S_000E60_SOFT_RESET_VMC(1);
1544
1545 if (grbm_soft_reset) {
1546 tmp = RREG32(R_008020_GRBM_SOFT_RESET);
1547 tmp |= grbm_soft_reset;
1548 dev_info(rdev->dev, "R_008020_GRBM_SOFT_RESET=0x%08X\n", tmp);
1549 WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1550 tmp = RREG32(R_008020_GRBM_SOFT_RESET);
1551
1552 udelay(50);
1553
1554 tmp &= ~grbm_soft_reset;
1555 WREG32(R_008020_GRBM_SOFT_RESET, tmp);
1556 tmp = RREG32(R_008020_GRBM_SOFT_RESET);
1557 }
1558
1559 if (srbm_soft_reset) {
1560 tmp = RREG32(SRBM_SOFT_RESET);
1561 tmp |= srbm_soft_reset;
1562 dev_info(rdev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
1563 WREG32(SRBM_SOFT_RESET, tmp);
1564 tmp = RREG32(SRBM_SOFT_RESET);
1565
1566 udelay(50);
1567
1568 tmp &= ~srbm_soft_reset;
1569 WREG32(SRBM_SOFT_RESET, tmp);
1570 tmp = RREG32(SRBM_SOFT_RESET);
1571 }
1572
1573 /* Wait a little for things to settle down */
1574 mdelay(1);
1575
1576 rv515_mc_resume(rdev, &save);
1577 udelay(50);
1578
1579 r600_print_gpu_status_regs(rdev);
1580 }
1581
1582 int r600_asic_reset(struct radeon_device *rdev)
1583 {
1584 u32 reset_mask;
1585
1586 reset_mask = r600_gpu_check_soft_reset(rdev);
1587
1588 if (reset_mask)
1589 r600_set_bios_scratch_engine_hung(rdev, true);
1590
1591 r600_gpu_soft_reset(rdev, reset_mask);
1592
1593 reset_mask = r600_gpu_check_soft_reset(rdev);
1594
1595 if (!reset_mask)
1596 r600_set_bios_scratch_engine_hung(rdev, false);
1597
1598 return 0;
1599 }
1600
1601 /**
1602 * r600_gfx_is_lockup - Check if the GFX engine is locked up
1603 *
1604 * @rdev: radeon_device pointer
1605 * @ring: radeon_ring structure holding ring information
1606 *
1607 * Check if the GFX engine is locked up.
1608 * Returns true if the engine appears to be locked up, false if not.
1609 */
1610 bool r600_gfx_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1611 {
1612 u32 reset_mask = r600_gpu_check_soft_reset(rdev);
1613
1614 if (!(reset_mask & (RADEON_RESET_GFX |
1615 RADEON_RESET_COMPUTE |
1616 RADEON_RESET_CP))) {
1617 radeon_ring_lockup_update(ring);
1618 return false;
1619 }
1620 /* force CP activities */
1621 radeon_ring_force_activity(rdev, ring);
1622 return radeon_ring_test_lockup(rdev, ring);
1623 }
1624
1625 /**
1626 * r600_dma_is_lockup - Check if the DMA engine is locked up
1627 *
1628 * @rdev: radeon_device pointer
1629 * @ring: radeon_ring structure holding ring information
1630 *
1631 * Check if the async DMA engine is locked up.
1632 * Returns true if the engine appears to be locked up, false if not.
1633 */
1634 bool r600_dma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
1635 {
1636 u32 reset_mask = r600_gpu_check_soft_reset(rdev);
1637
1638 if (!(reset_mask & RADEON_RESET_DMA)) {
1639 radeon_ring_lockup_update(ring);
1640 return false;
1641 }
1642 /* force ring activities */
1643 radeon_ring_force_activity(rdev, ring);
1644 return radeon_ring_test_lockup(rdev, ring);
1645 }
1646
1647 u32 r6xx_remap_render_backend(struct radeon_device *rdev,
1648 u32 tiling_pipe_num,
1649 u32 max_rb_num,
1650 u32 total_max_rb_num,
1651 u32 disabled_rb_mask)
1652 {
1653 u32 rendering_pipe_num, rb_num_width, req_rb_num;
1654 u32 pipe_rb_ratio, pipe_rb_remain, tmp;
1655 u32 data = 0, mask = 1 << (max_rb_num - 1);
1656 unsigned i, j;
1657
1658 /* mask out the RBs that don't exist on that asic */
1659 tmp = disabled_rb_mask | ((0xff << max_rb_num) & 0xff);
1660 /* make sure at least one RB is available */
1661 if ((tmp & 0xff) != 0xff)
1662 disabled_rb_mask = tmp;
1663
1664 rendering_pipe_num = 1 << tiling_pipe_num;
1665 req_rb_num = total_max_rb_num - r600_count_pipe_bits(disabled_rb_mask);
1666 BUG_ON(rendering_pipe_num < req_rb_num);
1667
1668 pipe_rb_ratio = rendering_pipe_num / req_rb_num;
1669 pipe_rb_remain = rendering_pipe_num - pipe_rb_ratio * req_rb_num;
1670
1671 if (rdev->family <= CHIP_RV740) {
1672 /* r6xx/r7xx */
1673 rb_num_width = 2;
1674 } else {
1675 /* eg+ */
1676 rb_num_width = 4;
1677 }
1678
1679 for (i = 0; i < max_rb_num; i++) {
1680 if (!(mask & disabled_rb_mask)) {
1681 for (j = 0; j < pipe_rb_ratio; j++) {
1682 data <<= rb_num_width;
1683 data |= max_rb_num - i - 1;
1684 }
1685 if (pipe_rb_remain) {
1686 data <<= rb_num_width;
1687 data |= max_rb_num - i - 1;
1688 pipe_rb_remain--;
1689 }
1690 }
1691 mask >>= 1;
1692 }
1693
1694 return data;
1695 }
1696
1697 int r600_count_pipe_bits(uint32_t val)
1698 {
1699 return hweight32(val);
1700 }
1701
1702 static void r600_gpu_init(struct radeon_device *rdev)
1703 {
1704 u32 tiling_config;
1705 u32 ramcfg;
1706 u32 cc_rb_backend_disable;
1707 u32 cc_gc_shader_pipe_config;
1708 u32 tmp;
1709 int i, j;
1710 u32 sq_config;
1711 u32 sq_gpr_resource_mgmt_1 = 0;
1712 u32 sq_gpr_resource_mgmt_2 = 0;
1713 u32 sq_thread_resource_mgmt = 0;
1714 u32 sq_stack_resource_mgmt_1 = 0;
1715 u32 sq_stack_resource_mgmt_2 = 0;
1716 u32 disabled_rb_mask;
1717
1718 rdev->config.r600.tiling_group_size = 256;
1719 switch (rdev->family) {
1720 case CHIP_R600:
1721 rdev->config.r600.max_pipes = 4;
1722 rdev->config.r600.max_tile_pipes = 8;
1723 rdev->config.r600.max_simds = 4;
1724 rdev->config.r600.max_backends = 4;
1725 rdev->config.r600.max_gprs = 256;
1726 rdev->config.r600.max_threads = 192;
1727 rdev->config.r600.max_stack_entries = 256;
1728 rdev->config.r600.max_hw_contexts = 8;
1729 rdev->config.r600.max_gs_threads = 16;
1730 rdev->config.r600.sx_max_export_size = 128;
1731 rdev->config.r600.sx_max_export_pos_size = 16;
1732 rdev->config.r600.sx_max_export_smx_size = 128;
1733 rdev->config.r600.sq_num_cf_insts = 2;
1734 break;
1735 case CHIP_RV630:
1736 case CHIP_RV635:
1737 rdev->config.r600.max_pipes = 2;
1738 rdev->config.r600.max_tile_pipes = 2;
1739 rdev->config.r600.max_simds = 3;
1740 rdev->config.r600.max_backends = 1;
1741 rdev->config.r600.max_gprs = 128;
1742 rdev->config.r600.max_threads = 192;
1743 rdev->config.r600.max_stack_entries = 128;
1744 rdev->config.r600.max_hw_contexts = 8;
1745 rdev->config.r600.max_gs_threads = 4;
1746 rdev->config.r600.sx_max_export_size = 128;
1747 rdev->config.r600.sx_max_export_pos_size = 16;
1748 rdev->config.r600.sx_max_export_smx_size = 128;
1749 rdev->config.r600.sq_num_cf_insts = 2;
1750 break;
1751 case CHIP_RV610:
1752 case CHIP_RV620:
1753 case CHIP_RS780:
1754 case CHIP_RS880:
1755 rdev->config.r600.max_pipes = 1;
1756 rdev->config.r600.max_tile_pipes = 1;
1757 rdev->config.r600.max_simds = 2;
1758 rdev->config.r600.max_backends = 1;
1759 rdev->config.r600.max_gprs = 128;
1760 rdev->config.r600.max_threads = 192;
1761 rdev->config.r600.max_stack_entries = 128;
1762 rdev->config.r600.max_hw_contexts = 4;
1763 rdev->config.r600.max_gs_threads = 4;
1764 rdev->config.r600.sx_max_export_size = 128;
1765 rdev->config.r600.sx_max_export_pos_size = 16;
1766 rdev->config.r600.sx_max_export_smx_size = 128;
1767 rdev->config.r600.sq_num_cf_insts = 1;
1768 break;
1769 case CHIP_RV670:
1770 rdev->config.r600.max_pipes = 4;
1771 rdev->config.r600.max_tile_pipes = 4;
1772 rdev->config.r600.max_simds = 4;
1773 rdev->config.r600.max_backends = 4;
1774 rdev->config.r600.max_gprs = 192;
1775 rdev->config.r600.max_threads = 192;
1776 rdev->config.r600.max_stack_entries = 256;
1777 rdev->config.r600.max_hw_contexts = 8;
1778 rdev->config.r600.max_gs_threads = 16;
1779 rdev->config.r600.sx_max_export_size = 128;
1780 rdev->config.r600.sx_max_export_pos_size = 16;
1781 rdev->config.r600.sx_max_export_smx_size = 128;
1782 rdev->config.r600.sq_num_cf_insts = 2;
1783 break;
1784 default:
1785 break;
1786 }
1787
1788 /* Initialize HDP */
1789 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1790 WREG32((0x2c14 + j), 0x00000000);
1791 WREG32((0x2c18 + j), 0x00000000);
1792 WREG32((0x2c1c + j), 0x00000000);
1793 WREG32((0x2c20 + j), 0x00000000);
1794 WREG32((0x2c24 + j), 0x00000000);
1795 }
1796
1797 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1798
1799 /* Setup tiling */
1800 tiling_config = 0;
1801 ramcfg = RREG32(RAMCFG);
1802 switch (rdev->config.r600.max_tile_pipes) {
1803 case 1:
1804 tiling_config |= PIPE_TILING(0);
1805 break;
1806 case 2:
1807 tiling_config |= PIPE_TILING(1);
1808 break;
1809 case 4:
1810 tiling_config |= PIPE_TILING(2);
1811 break;
1812 case 8:
1813 tiling_config |= PIPE_TILING(3);
1814 break;
1815 default:
1816 break;
1817 }
1818 rdev->config.r600.tiling_npipes = rdev->config.r600.max_tile_pipes;
1819 rdev->config.r600.tiling_nbanks = 4 << ((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
1820 tiling_config |= BANK_TILING((ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT);
1821 tiling_config |= GROUP_SIZE((ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
1822
1823 tmp = (ramcfg & NOOFROWS_MASK) >> NOOFROWS_SHIFT;
1824 if (tmp > 3) {
1825 tiling_config |= ROW_TILING(3);
1826 tiling_config |= SAMPLE_SPLIT(3);
1827 } else {
1828 tiling_config |= ROW_TILING(tmp);
1829 tiling_config |= SAMPLE_SPLIT(tmp);
1830 }
1831 tiling_config |= BANK_SWAPS(1);
1832
1833 cc_rb_backend_disable = RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000;
1834 tmp = R6XX_MAX_BACKENDS -
1835 r600_count_pipe_bits((cc_rb_backend_disable >> 16) & R6XX_MAX_BACKENDS_MASK);
1836 if (tmp < rdev->config.r600.max_backends) {
1837 rdev->config.r600.max_backends = tmp;
1838 }
1839
1840 cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & 0x00ffff00;
1841 tmp = R6XX_MAX_PIPES -
1842 r600_count_pipe_bits((cc_gc_shader_pipe_config >> 8) & R6XX_MAX_PIPES_MASK);
1843 if (tmp < rdev->config.r600.max_pipes) {
1844 rdev->config.r600.max_pipes = tmp;
1845 }
1846 tmp = R6XX_MAX_SIMDS -
1847 r600_count_pipe_bits((cc_gc_shader_pipe_config >> 16) & R6XX_MAX_SIMDS_MASK);
1848 if (tmp < rdev->config.r600.max_simds) {
1849 rdev->config.r600.max_simds = tmp;
1850 }
1851
1852 disabled_rb_mask = (RREG32(CC_RB_BACKEND_DISABLE) >> 16) & R6XX_MAX_BACKENDS_MASK;
1853 tmp = (tiling_config & PIPE_TILING__MASK) >> PIPE_TILING__SHIFT;
1854 tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.r600.max_backends,
1855 R6XX_MAX_BACKENDS, disabled_rb_mask);
1856 tiling_config |= tmp << 16;
1857 rdev->config.r600.backend_map = tmp;
1858
1859 rdev->config.r600.tile_config = tiling_config;
1860 WREG32(GB_TILING_CONFIG, tiling_config);
1861 WREG32(DCP_TILING_CONFIG, tiling_config & 0xffff);
1862 WREG32(HDP_TILING_CONFIG, tiling_config & 0xffff);
1863 WREG32(DMA_TILING_CONFIG, tiling_config & 0xffff);
1864
1865 tmp = R6XX_MAX_PIPES - r600_count_pipe_bits((cc_gc_shader_pipe_config & INACTIVE_QD_PIPES_MASK) >> 8);
1866 WREG32(VGT_OUT_DEALLOC_CNTL, (tmp * 4) & DEALLOC_DIST_MASK);
1867 WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, ((tmp * 4) - 2) & VTX_REUSE_DEPTH_MASK);
1868
1869 /* Setup some CP states */
1870 WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) | ROQ_IB2_START(0x2b)));
1871 WREG32(CP_MEQ_THRESHOLDS, (MEQ_END(0x40) | ROQ_END(0x40)));
1872
1873 WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO | SYNC_GRADIENT |
1874 SYNC_WALKER | SYNC_ALIGNER));
1875 /* Setup various GPU states */
1876 if (rdev->family == CHIP_RV670)
1877 WREG32(ARB_GDEC_RD_CNTL, 0x00000021);
1878
1879 tmp = RREG32(SX_DEBUG_1);
1880 tmp |= SMX_EVENT_RELEASE;
1881 if ((rdev->family > CHIP_R600))
1882 tmp |= ENABLE_NEW_SMX_ADDRESS;
1883 WREG32(SX_DEBUG_1, tmp);
1884
1885 if (((rdev->family) == CHIP_R600) ||
1886 ((rdev->family) == CHIP_RV630) ||
1887 ((rdev->family) == CHIP_RV610) ||
1888 ((rdev->family) == CHIP_RV620) ||
1889 ((rdev->family) == CHIP_RS780) ||
1890 ((rdev->family) == CHIP_RS880)) {
1891 WREG32(DB_DEBUG, PREZ_MUST_WAIT_FOR_POSTZ_DONE);
1892 } else {
1893 WREG32(DB_DEBUG, 0);
1894 }
1895 WREG32(DB_WATERMARKS, (DEPTH_FREE(4) | DEPTH_CACHELINE_FREE(16) |
1896 DEPTH_FLUSH(16) | DEPTH_PENDING_FREE(4)));
1897
1898 WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
1899 WREG32(VGT_NUM_INSTANCES, 0);
1900
1901 WREG32(SPI_CONFIG_CNTL, GPR_WRITE_PRIORITY(0));
1902 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(0));
1903
1904 tmp = RREG32(SQ_MS_FIFO_SIZES);
1905 if (((rdev->family) == CHIP_RV610) ||
1906 ((rdev->family) == CHIP_RV620) ||
1907 ((rdev->family) == CHIP_RS780) ||
1908 ((rdev->family) == CHIP_RS880)) {
1909 tmp = (CACHE_FIFO_SIZE(0xa) |
1910 FETCH_FIFO_HIWATER(0xa) |
1911 DONE_FIFO_HIWATER(0xe0) |
1912 ALU_UPDATE_FIFO_HIWATER(0x8));
1913 } else if (((rdev->family) == CHIP_R600) ||
1914 ((rdev->family) == CHIP_RV630)) {
1915 tmp &= ~DONE_FIFO_HIWATER(0xff);
1916 tmp |= DONE_FIFO_HIWATER(0x4);
1917 }
1918 WREG32(SQ_MS_FIFO_SIZES, tmp);
1919
1920 /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
1921 * should be adjusted as needed by the 2D/3D drivers. This just sets default values
1922 */
1923 sq_config = RREG32(SQ_CONFIG);
1924 sq_config &= ~(PS_PRIO(3) |
1925 VS_PRIO(3) |
1926 GS_PRIO(3) |
1927 ES_PRIO(3));
1928 sq_config |= (DX9_CONSTS |
1929 VC_ENABLE |
1930 PS_PRIO(0) |
1931 VS_PRIO(1) |
1932 GS_PRIO(2) |
1933 ES_PRIO(3));
1934
1935 if ((rdev->family) == CHIP_R600) {
1936 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(124) |
1937 NUM_VS_GPRS(124) |
1938 NUM_CLAUSE_TEMP_GPRS(4));
1939 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(0) |
1940 NUM_ES_GPRS(0));
1941 sq_thread_resource_mgmt = (NUM_PS_THREADS(136) |
1942 NUM_VS_THREADS(48) |
1943 NUM_GS_THREADS(4) |
1944 NUM_ES_THREADS(4));
1945 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(128) |
1946 NUM_VS_STACK_ENTRIES(128));
1947 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(0) |
1948 NUM_ES_STACK_ENTRIES(0));
1949 } else if (((rdev->family) == CHIP_RV610) ||
1950 ((rdev->family) == CHIP_RV620) ||
1951 ((rdev->family) == CHIP_RS780) ||
1952 ((rdev->family) == CHIP_RS880)) {
1953 /* no vertex cache */
1954 sq_config &= ~VC_ENABLE;
1955
1956 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1957 NUM_VS_GPRS(44) |
1958 NUM_CLAUSE_TEMP_GPRS(2));
1959 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
1960 NUM_ES_GPRS(17));
1961 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1962 NUM_VS_THREADS(78) |
1963 NUM_GS_THREADS(4) |
1964 NUM_ES_THREADS(31));
1965 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
1966 NUM_VS_STACK_ENTRIES(40));
1967 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
1968 NUM_ES_STACK_ENTRIES(16));
1969 } else if (((rdev->family) == CHIP_RV630) ||
1970 ((rdev->family) == CHIP_RV635)) {
1971 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1972 NUM_VS_GPRS(44) |
1973 NUM_CLAUSE_TEMP_GPRS(2));
1974 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(18) |
1975 NUM_ES_GPRS(18));
1976 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1977 NUM_VS_THREADS(78) |
1978 NUM_GS_THREADS(4) |
1979 NUM_ES_THREADS(31));
1980 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(40) |
1981 NUM_VS_STACK_ENTRIES(40));
1982 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(32) |
1983 NUM_ES_STACK_ENTRIES(16));
1984 } else if ((rdev->family) == CHIP_RV670) {
1985 sq_gpr_resource_mgmt_1 = (NUM_PS_GPRS(44) |
1986 NUM_VS_GPRS(44) |
1987 NUM_CLAUSE_TEMP_GPRS(2));
1988 sq_gpr_resource_mgmt_2 = (NUM_GS_GPRS(17) |
1989 NUM_ES_GPRS(17));
1990 sq_thread_resource_mgmt = (NUM_PS_THREADS(79) |
1991 NUM_VS_THREADS(78) |
1992 NUM_GS_THREADS(4) |
1993 NUM_ES_THREADS(31));
1994 sq_stack_resource_mgmt_1 = (NUM_PS_STACK_ENTRIES(64) |
1995 NUM_VS_STACK_ENTRIES(64));
1996 sq_stack_resource_mgmt_2 = (NUM_GS_STACK_ENTRIES(64) |
1997 NUM_ES_STACK_ENTRIES(64));
1998 }
1999
2000 WREG32(SQ_CONFIG, sq_config);
2001 WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
2002 WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
2003 WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
2004 WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
2005 WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
2006
2007 if (((rdev->family) == CHIP_RV610) ||
2008 ((rdev->family) == CHIP_RV620) ||
2009 ((rdev->family) == CHIP_RS780) ||
2010 ((rdev->family) == CHIP_RS880)) {
2011 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(TC_ONLY));
2012 } else {
2013 WREG32(VGT_CACHE_INVALIDATION, CACHE_INVALIDATION(VC_AND_TC));
2014 }
2015
2016 /* More default values. 2D/3D driver should adjust as needed */
2017 WREG32(PA_SC_AA_SAMPLE_LOCS_2S, (S0_X(0xc) | S0_Y(0x4) |
2018 S1_X(0x4) | S1_Y(0xc)));
2019 WREG32(PA_SC_AA_SAMPLE_LOCS_4S, (S0_X(0xe) | S0_Y(0xe) |
2020 S1_X(0x2) | S1_Y(0x2) |
2021 S2_X(0xa) | S2_Y(0x6) |
2022 S3_X(0x6) | S3_Y(0xa)));
2023 WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD0, (S0_X(0xe) | S0_Y(0xb) |
2024 S1_X(0x4) | S1_Y(0xc) |
2025 S2_X(0x1) | S2_Y(0x6) |
2026 S3_X(0xa) | S3_Y(0xe)));
2027 WREG32(PA_SC_AA_SAMPLE_LOCS_8S_WD1, (S4_X(0x6) | S4_Y(0x1) |
2028 S5_X(0x0) | S5_Y(0x0) |
2029 S6_X(0xb) | S6_Y(0x4) |
2030 S7_X(0x7) | S7_Y(0x8)));
2031
2032 WREG32(VGT_STRMOUT_EN, 0);
2033 tmp = rdev->config.r600.max_pipes * 16;
2034 switch (rdev->family) {
2035 case CHIP_RV610:
2036 case CHIP_RV620:
2037 case CHIP_RS780:
2038 case CHIP_RS880:
2039 tmp += 32;
2040 break;
2041 case CHIP_RV670:
2042 tmp += 128;
2043 break;
2044 default:
2045 break;
2046 }
2047 if (tmp > 256) {
2048 tmp = 256;
2049 }
2050 WREG32(VGT_ES_PER_GS, 128);
2051 WREG32(VGT_GS_PER_ES, tmp);
2052 WREG32(VGT_GS_PER_VS, 2);
2053 WREG32(VGT_GS_VERTEX_REUSE, 16);
2054
2055 /* more default values. 2D/3D driver should adjust as needed */
2056 WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
2057 WREG32(VGT_STRMOUT_EN, 0);
2058 WREG32(SX_MISC, 0);
2059 WREG32(PA_SC_MODE_CNTL, 0);
2060 WREG32(PA_SC_AA_CONFIG, 0);
2061 WREG32(PA_SC_LINE_STIPPLE, 0);
2062 WREG32(SPI_INPUT_Z, 0);
2063 WREG32(SPI_PS_IN_CONTROL_0, NUM_INTERP(2));
2064 WREG32(CB_COLOR7_FRAG, 0);
2065
2066 /* Clear render buffer base addresses */
2067 WREG32(CB_COLOR0_BASE, 0);
2068 WREG32(CB_COLOR1_BASE, 0);
2069 WREG32(CB_COLOR2_BASE, 0);
2070 WREG32(CB_COLOR3_BASE, 0);
2071 WREG32(CB_COLOR4_BASE, 0);
2072 WREG32(CB_COLOR5_BASE, 0);
2073 WREG32(CB_COLOR6_BASE, 0);
2074 WREG32(CB_COLOR7_BASE, 0);
2075 WREG32(CB_COLOR7_FRAG, 0);
2076
2077 switch (rdev->family) {
2078 case CHIP_RV610:
2079 case CHIP_RV620:
2080 case CHIP_RS780:
2081 case CHIP_RS880:
2082 tmp = TC_L2_SIZE(8);
2083 break;
2084 case CHIP_RV630:
2085 case CHIP_RV635:
2086 tmp = TC_L2_SIZE(4);
2087 break;
2088 case CHIP_R600:
2089 tmp = TC_L2_SIZE(0) | L2_DISABLE_LATE_HIT;
2090 break;
2091 default:
2092 tmp = TC_L2_SIZE(0);
2093 break;
2094 }
2095 WREG32(TC_CNTL, tmp);
2096
2097 tmp = RREG32(HDP_HOST_PATH_CNTL);
2098 WREG32(HDP_HOST_PATH_CNTL, tmp);
2099
2100 tmp = RREG32(ARB_POP);
2101 tmp |= ENABLE_TC128;
2102 WREG32(ARB_POP, tmp);
2103
2104 WREG32(PA_SC_MULTI_CHIP_CNTL, 0);
2105 WREG32(PA_CL_ENHANCE, (CLIP_VTX_REORDER_ENA |
2106 NUM_CLIP_SEQ(3)));
2107 WREG32(PA_SC_ENHANCE, FORCE_EOV_MAX_CLK_CNT(4095));
2108 WREG32(VC_ENHANCE, 0);
2109 }
2110
2111
2112 /*
2113 * Indirect registers accessor
2114 */
2115 u32 r600_pciep_rreg(struct radeon_device *rdev, u32 reg)
2116 {
2117 u32 r;
2118
2119 WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
2120 (void)RREG32(PCIE_PORT_INDEX);
2121 r = RREG32(PCIE_PORT_DATA);
2122 return r;
2123 }
2124
2125 void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v)
2126 {
2127 WREG32(PCIE_PORT_INDEX, ((reg) & 0xff));
2128 (void)RREG32(PCIE_PORT_INDEX);
2129 WREG32(PCIE_PORT_DATA, (v));
2130 (void)RREG32(PCIE_PORT_DATA);
2131 }
2132
2133 /*
2134 * CP & Ring
2135 */
2136 void r600_cp_stop(struct radeon_device *rdev)
2137 {
2138 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
2139 WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
2140 WREG32(SCRATCH_UMSK, 0);
2141 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ready = false;
2142 }
2143
2144 int r600_init_microcode(struct radeon_device *rdev)
2145 {
2146 const char *chip_name;
2147 const char *rlc_chip_name;
2148 const char *smc_chip_name = "RV770";
2149 size_t pfp_req_size, me_req_size, rlc_req_size, smc_req_size = 0;
2150 char fw_name[30];
2151 int err;
2152
2153 DRM_DEBUG("\n");
2154
2155 switch (rdev->family) {
2156 case CHIP_R600:
2157 chip_name = "R600";
2158 rlc_chip_name = "R600";
2159 break;
2160 case CHIP_RV610:
2161 chip_name = "RV610";
2162 rlc_chip_name = "R600";
2163 break;
2164 case CHIP_RV630:
2165 chip_name = "RV630";
2166 rlc_chip_name = "R600";
2167 break;
2168 case CHIP_RV620:
2169 chip_name = "RV620";
2170 rlc_chip_name = "R600";
2171 break;
2172 case CHIP_RV635:
2173 chip_name = "RV635";
2174 rlc_chip_name = "R600";
2175 break;
2176 case CHIP_RV670:
2177 chip_name = "RV670";
2178 rlc_chip_name = "R600";
2179 break;
2180 case CHIP_RS780:
2181 case CHIP_RS880:
2182 chip_name = "RS780";
2183 rlc_chip_name = "R600";
2184 break;
2185 case CHIP_RV770:
2186 chip_name = "RV770";
2187 rlc_chip_name = "R700";
2188 smc_chip_name = "RV770";
2189 smc_req_size = ALIGN(RV770_SMC_UCODE_SIZE, 4);
2190 break;
2191 case CHIP_RV730:
2192 chip_name = "RV730";
2193 rlc_chip_name = "R700";
2194 smc_chip_name = "RV730";
2195 smc_req_size = ALIGN(RV730_SMC_UCODE_SIZE, 4);
2196 break;
2197 case CHIP_RV710:
2198 chip_name = "RV710";
2199 rlc_chip_name = "R700";
2200 smc_chip_name = "RV710";
2201 smc_req_size = ALIGN(RV710_SMC_UCODE_SIZE, 4);
2202 break;
2203 case CHIP_RV740:
2204 chip_name = "RV730";
2205 rlc_chip_name = "R700";
2206 smc_chip_name = "RV740";
2207 smc_req_size = ALIGN(RV740_SMC_UCODE_SIZE, 4);
2208 break;
2209 case CHIP_CEDAR:
2210 chip_name = "CEDAR";
2211 rlc_chip_name = "CEDAR";
2212 smc_chip_name = "CEDAR";
2213 smc_req_size = ALIGN(CEDAR_SMC_UCODE_SIZE, 4);
2214 break;
2215 case CHIP_REDWOOD:
2216 chip_name = "REDWOOD";
2217 rlc_chip_name = "REDWOOD";
2218 smc_chip_name = "REDWOOD";
2219 smc_req_size = ALIGN(REDWOOD_SMC_UCODE_SIZE, 4);
2220 break;
2221 case CHIP_JUNIPER:
2222 chip_name = "JUNIPER";
2223 rlc_chip_name = "JUNIPER";
2224 smc_chip_name = "JUNIPER";
2225 smc_req_size = ALIGN(JUNIPER_SMC_UCODE_SIZE, 4);
2226 break;
2227 case CHIP_CYPRESS:
2228 case CHIP_HEMLOCK:
2229 chip_name = "CYPRESS";
2230 rlc_chip_name = "CYPRESS";
2231 smc_chip_name = "CYPRESS";
2232 smc_req_size = ALIGN(CYPRESS_SMC_UCODE_SIZE, 4);
2233 break;
2234 case CHIP_PALM:
2235 chip_name = "PALM";
2236 rlc_chip_name = "SUMO";
2237 break;
2238 case CHIP_SUMO:
2239 chip_name = "SUMO";
2240 rlc_chip_name = "SUMO";
2241 break;
2242 case CHIP_SUMO2:
2243 chip_name = "SUMO2";
2244 rlc_chip_name = "SUMO";
2245 break;
2246 default: BUG();
2247 }
2248
2249 if (rdev->family >= CHIP_CEDAR) {
2250 pfp_req_size = EVERGREEN_PFP_UCODE_SIZE * 4;
2251 me_req_size = EVERGREEN_PM4_UCODE_SIZE * 4;
2252 rlc_req_size = EVERGREEN_RLC_UCODE_SIZE * 4;
2253 } else if (rdev->family >= CHIP_RV770) {
2254 pfp_req_size = R700_PFP_UCODE_SIZE * 4;
2255 me_req_size = R700_PM4_UCODE_SIZE * 4;
2256 rlc_req_size = R700_RLC_UCODE_SIZE * 4;
2257 } else {
2258 pfp_req_size = R600_PFP_UCODE_SIZE * 4;
2259 me_req_size = R600_PM4_UCODE_SIZE * 12;
2260 rlc_req_size = R600_RLC_UCODE_SIZE * 4;
2261 }
2262
2263 DRM_INFO("Loading %s Microcode\n", chip_name);
2264
2265 snprintf(fw_name, sizeof(fw_name), "radeon/%s_pfp.bin", chip_name);
2266 err = request_firmware(&rdev->pfp_fw, fw_name, rdev->dev);
2267 if (err)
2268 goto out;
2269 if (rdev->pfp_fw->size != pfp_req_size) {
2270 printk(KERN_ERR
2271 "r600_cp: Bogus length %zu in firmware \"%s\"\n",
2272 rdev->pfp_fw->size, fw_name);
2273 err = -EINVAL;
2274 goto out;
2275 }
2276
2277 snprintf(fw_name, sizeof(fw_name), "radeon/%s_me.bin", chip_name);
2278 err = request_firmware(&rdev->me_fw, fw_name, rdev->dev);
2279 if (err)
2280 goto out;
2281 if (rdev->me_fw->size != me_req_size) {
2282 printk(KERN_ERR
2283 "r600_cp: Bogus length %zu in firmware \"%s\"\n",
2284 rdev->me_fw->size, fw_name);
2285 err = -EINVAL;
2286 }
2287
2288 snprintf(fw_name, sizeof(fw_name), "radeon/%s_rlc.bin", rlc_chip_name);
2289 err = request_firmware(&rdev->rlc_fw, fw_name, rdev->dev);
2290 if (err)
2291 goto out;
2292 if (rdev->rlc_fw->size != rlc_req_size) {
2293 printk(KERN_ERR
2294 "r600_rlc: Bogus length %zu in firmware \"%s\"\n",
2295 rdev->rlc_fw->size, fw_name);
2296 err = -EINVAL;
2297 }
2298
2299 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_HEMLOCK)) {
2300 snprintf(fw_name, sizeof(fw_name), "radeon/%s_smc.bin", smc_chip_name);
2301 err = request_firmware(&rdev->smc_fw, fw_name, rdev->dev);
2302 if (err)
2303 goto out;
2304 if (rdev->smc_fw->size != smc_req_size) {
2305 printk(KERN_ERR
2306 "smc: Bogus length %zu in firmware \"%s\"\n",
2307 rdev->smc_fw->size, fw_name);
2308 err = -EINVAL;
2309 }
2310 }
2311
2312 out:
2313 if (err) {
2314 if (err != -EINVAL)
2315 printk(KERN_ERR
2316 "r600_cp: Failed to load firmware \"%s\"\n",
2317 fw_name);
2318 release_firmware(rdev->pfp_fw);
2319 rdev->pfp_fw = NULL;
2320 release_firmware(rdev->me_fw);
2321 rdev->me_fw = NULL;
2322 release_firmware(rdev->rlc_fw);
2323 rdev->rlc_fw = NULL;
2324 release_firmware(rdev->smc_fw);
2325 rdev->smc_fw = NULL;
2326 }
2327 return err;
2328 }
2329
2330 static int r600_cp_load_microcode(struct radeon_device *rdev)
2331 {
2332 const __be32 *fw_data;
2333 int i;
2334
2335 if (!rdev->me_fw || !rdev->pfp_fw)
2336 return -EINVAL;
2337
2338 r600_cp_stop(rdev);
2339
2340 WREG32(CP_RB_CNTL,
2341 #ifdef __BIG_ENDIAN
2342 BUF_SWAP_32BIT |
2343 #endif
2344 RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
2345
2346 /* Reset cp */
2347 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2348 RREG32(GRBM_SOFT_RESET);
2349 mdelay(15);
2350 WREG32(GRBM_SOFT_RESET, 0);
2351
2352 WREG32(CP_ME_RAM_WADDR, 0);
2353
2354 fw_data = (const __be32 *)rdev->me_fw->data;
2355 WREG32(CP_ME_RAM_WADDR, 0);
2356 for (i = 0; i < R600_PM4_UCODE_SIZE * 3; i++)
2357 WREG32(CP_ME_RAM_DATA,
2358 be32_to_cpup(fw_data++));
2359
2360 fw_data = (const __be32 *)rdev->pfp_fw->data;
2361 WREG32(CP_PFP_UCODE_ADDR, 0);
2362 for (i = 0; i < R600_PFP_UCODE_SIZE; i++)
2363 WREG32(CP_PFP_UCODE_DATA,
2364 be32_to_cpup(fw_data++));
2365
2366 WREG32(CP_PFP_UCODE_ADDR, 0);
2367 WREG32(CP_ME_RAM_WADDR, 0);
2368 WREG32(CP_ME_RAM_RADDR, 0);
2369 return 0;
2370 }
2371
2372 int r600_cp_start(struct radeon_device *rdev)
2373 {
2374 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2375 int r;
2376 uint32_t cp_me;
2377
2378 r = radeon_ring_lock(rdev, ring, 7);
2379 if (r) {
2380 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
2381 return r;
2382 }
2383 radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
2384 radeon_ring_write(ring, 0x1);
2385 if (rdev->family >= CHIP_RV770) {
2386 radeon_ring_write(ring, 0x0);
2387 radeon_ring_write(ring, rdev->config.rv770.max_hw_contexts - 1);
2388 } else {
2389 radeon_ring_write(ring, 0x3);
2390 radeon_ring_write(ring, rdev->config.r600.max_hw_contexts - 1);
2391 }
2392 radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
2393 radeon_ring_write(ring, 0);
2394 radeon_ring_write(ring, 0);
2395 radeon_ring_unlock_commit(rdev, ring);
2396
2397 cp_me = 0xff;
2398 WREG32(R_0086D8_CP_ME_CNTL, cp_me);
2399 return 0;
2400 }
2401
2402 int r600_cp_resume(struct radeon_device *rdev)
2403 {
2404 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2405 u32 tmp;
2406 u32 rb_bufsz;
2407 int r;
2408
2409 /* Reset cp */
2410 WREG32(GRBM_SOFT_RESET, SOFT_RESET_CP);
2411 RREG32(GRBM_SOFT_RESET);
2412 mdelay(15);
2413 WREG32(GRBM_SOFT_RESET, 0);
2414
2415 /* Set ring buffer size */
2416 rb_bufsz = drm_order(ring->ring_size / 8);
2417 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
2418 #ifdef __BIG_ENDIAN
2419 tmp |= BUF_SWAP_32BIT;
2420 #endif
2421 WREG32(CP_RB_CNTL, tmp);
2422 WREG32(CP_SEM_WAIT_TIMER, 0x0);
2423
2424 /* Set the write pointer delay */
2425 WREG32(CP_RB_WPTR_DELAY, 0);
2426
2427 /* Initialize the ring buffer's read and write pointers */
2428 WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
2429 WREG32(CP_RB_RPTR_WR, 0);
2430 ring->wptr = 0;
2431 WREG32(CP_RB_WPTR, ring->wptr);
2432
2433 /* set the wb address whether it's enabled or not */
2434 WREG32(CP_RB_RPTR_ADDR,
2435 ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
2436 WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
2437 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
2438
2439 if (rdev->wb.enabled)
2440 WREG32(SCRATCH_UMSK, 0xff);
2441 else {
2442 tmp |= RB_NO_UPDATE;
2443 WREG32(SCRATCH_UMSK, 0);
2444 }
2445
2446 mdelay(1);
2447 WREG32(CP_RB_CNTL, tmp);
2448
2449 WREG32(CP_RB_BASE, ring->gpu_addr >> 8);
2450 WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
2451
2452 ring->rptr = RREG32(CP_RB_RPTR);
2453
2454 r600_cp_start(rdev);
2455 ring->ready = true;
2456 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
2457 if (r) {
2458 ring->ready = false;
2459 return r;
2460 }
2461 return 0;
2462 }
2463
2464 void r600_ring_init(struct radeon_device *rdev, struct radeon_ring *ring, unsigned ring_size)
2465 {
2466 u32 rb_bufsz;
2467 int r;
2468
2469 /* Align ring size */
2470 rb_bufsz = drm_order(ring_size / 8);
2471 ring_size = (1 << (rb_bufsz + 1)) * 4;
2472 ring->ring_size = ring_size;
2473 ring->align_mask = 16 - 1;
2474
2475 if (radeon_ring_supports_scratch_reg(rdev, ring)) {
2476 r = radeon_scratch_get(rdev, &ring->rptr_save_reg);
2477 if (r) {
2478 DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r);
2479 ring->rptr_save_reg = 0;
2480 }
2481 }
2482 }
2483
2484 void r600_cp_fini(struct radeon_device *rdev)
2485 {
2486 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
2487 r600_cp_stop(rdev);
2488 radeon_ring_fini(rdev, ring);
2489 radeon_scratch_free(rdev, ring->rptr_save_reg);
2490 }
2491
2492 /*
2493 * DMA
2494 * Starting with R600, the GPU has an asynchronous
2495 * DMA engine. The programming model is very similar
2496 * to the 3D engine (ring buffer, IBs, etc.), but the
2497 * DMA controller has it's own packet format that is
2498 * different form the PM4 format used by the 3D engine.
2499 * It supports copying data, writing embedded data,
2500 * solid fills, and a number of other things. It also
2501 * has support for tiling/detiling of buffers.
2502 */
2503 /**
2504 * r600_dma_stop - stop the async dma engine
2505 *
2506 * @rdev: radeon_device pointer
2507 *
2508 * Stop the async dma engine (r6xx-evergreen).
2509 */
2510 void r600_dma_stop(struct radeon_device *rdev)
2511 {
2512 u32 rb_cntl = RREG32(DMA_RB_CNTL);
2513
2514 radeon_ttm_set_active_vram_size(rdev, rdev->mc.visible_vram_size);
2515
2516 rb_cntl &= ~DMA_RB_ENABLE;
2517 WREG32(DMA_RB_CNTL, rb_cntl);
2518
2519 rdev->ring[R600_RING_TYPE_DMA_INDEX].ready = false;
2520 }
2521
2522 /**
2523 * r600_dma_resume - setup and start the async dma engine
2524 *
2525 * @rdev: radeon_device pointer
2526 *
2527 * Set up the DMA ring buffer and enable it. (r6xx-evergreen).
2528 * Returns 0 for success, error for failure.
2529 */
2530 int r600_dma_resume(struct radeon_device *rdev)
2531 {
2532 struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
2533 u32 rb_cntl, dma_cntl, ib_cntl;
2534 u32 rb_bufsz;
2535 int r;
2536
2537 /* Reset dma */
2538 if (rdev->family >= CHIP_RV770)
2539 WREG32(SRBM_SOFT_RESET, RV770_SOFT_RESET_DMA);
2540 else
2541 WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA);
2542 RREG32(SRBM_SOFT_RESET);
2543 udelay(50);
2544 WREG32(SRBM_SOFT_RESET, 0);
2545
2546 WREG32(DMA_SEM_INCOMPLETE_TIMER_CNTL, 0);
2547 WREG32(DMA_SEM_WAIT_FAIL_TIMER_CNTL, 0);
2548
2549 /* Set ring buffer size in dwords */
2550 rb_bufsz = drm_order(ring->ring_size / 4);
2551 rb_cntl = rb_bufsz << 1;
2552 #ifdef __BIG_ENDIAN
2553 rb_cntl |= DMA_RB_SWAP_ENABLE | DMA_RPTR_WRITEBACK_SWAP_ENABLE;
2554 #endif
2555 WREG32(DMA_RB_CNTL, rb_cntl);
2556
2557 /* Initialize the ring buffer's read and write pointers */
2558 WREG32(DMA_RB_RPTR, 0);
2559 WREG32(DMA_RB_WPTR, 0);
2560
2561 /* set the wb address whether it's enabled or not */
2562 WREG32(DMA_RB_RPTR_ADDR_HI,
2563 upper_32_bits(rdev->wb.gpu_addr + R600_WB_DMA_RPTR_OFFSET) & 0xFF);
2564 WREG32(DMA_RB_RPTR_ADDR_LO,
2565 ((rdev->wb.gpu_addr + R600_WB_DMA_RPTR_OFFSET) & 0xFFFFFFFC));
2566
2567 if (rdev->wb.enabled)
2568 rb_cntl |= DMA_RPTR_WRITEBACK_ENABLE;
2569
2570 WREG32(DMA_RB_BASE, ring->gpu_addr >> 8);
2571
2572 /* enable DMA IBs */
2573 ib_cntl = DMA_IB_ENABLE;
2574 #ifdef __BIG_ENDIAN
2575 ib_cntl |= DMA_IB_SWAP_ENABLE;
2576 #endif
2577 WREG32(DMA_IB_CNTL, ib_cntl);
2578
2579 dma_cntl = RREG32(DMA_CNTL);
2580 dma_cntl &= ~CTXEMPTY_INT_ENABLE;
2581 WREG32(DMA_CNTL, dma_cntl);
2582
2583 if (rdev->family >= CHIP_RV770)
2584 WREG32(DMA_MODE, 1);
2585
2586 ring->wptr = 0;
2587 WREG32(DMA_RB_WPTR, ring->wptr << 2);
2588
2589 ring->rptr = RREG32(DMA_RB_RPTR) >> 2;
2590
2591 WREG32(DMA_RB_CNTL, rb_cntl | DMA_RB_ENABLE);
2592
2593 ring->ready = true;
2594
2595 r = radeon_ring_test(rdev, R600_RING_TYPE_DMA_INDEX, ring);
2596 if (r) {
2597 ring->ready = false;
2598 return r;
2599 }
2600
2601 radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size);
2602
2603 return 0;
2604 }
2605
2606 /**
2607 * r600_dma_fini - tear down the async dma engine
2608 *
2609 * @rdev: radeon_device pointer
2610 *
2611 * Stop the async dma engine and free the ring (r6xx-evergreen).
2612 */
2613 void r600_dma_fini(struct radeon_device *rdev)
2614 {
2615 r600_dma_stop(rdev);
2616 radeon_ring_fini(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX]);
2617 }
2618
2619 /*
2620 * UVD
2621 */
2622 int r600_uvd_rbc_start(struct radeon_device *rdev)
2623 {
2624 struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2625 uint64_t rptr_addr;
2626 uint32_t rb_bufsz, tmp;
2627 int r;
2628
2629 rptr_addr = rdev->wb.gpu_addr + R600_WB_UVD_RPTR_OFFSET;
2630
2631 if (upper_32_bits(rptr_addr) != upper_32_bits(ring->gpu_addr)) {
2632 DRM_ERROR("UVD ring and rptr not in the same 4GB segment!\n");
2633 return -EINVAL;
2634 }
2635
2636 /* force RBC into idle state */
2637 WREG32(UVD_RBC_RB_CNTL, 0x11010101);
2638
2639 /* Set the write pointer delay */
2640 WREG32(UVD_RBC_RB_WPTR_CNTL, 0);
2641
2642 /* set the wb address */
2643 WREG32(UVD_RBC_RB_RPTR_ADDR, rptr_addr >> 2);
2644
2645 /* programm the 4GB memory segment for rptr and ring buffer */
2646 WREG32(UVD_LMI_EXT40_ADDR, upper_32_bits(rptr_addr) |
2647 (0x7 << 16) | (0x1 << 31));
2648
2649 /* Initialize the ring buffer's read and write pointers */
2650 WREG32(UVD_RBC_RB_RPTR, 0x0);
2651
2652 ring->wptr = ring->rptr = RREG32(UVD_RBC_RB_RPTR);
2653 WREG32(UVD_RBC_RB_WPTR, ring->wptr);
2654
2655 /* set the ring address */
2656 WREG32(UVD_RBC_RB_BASE, ring->gpu_addr);
2657
2658 /* Set ring buffer size */
2659 rb_bufsz = drm_order(ring->ring_size);
2660 rb_bufsz = (0x1 << 8) | rb_bufsz;
2661 WREG32(UVD_RBC_RB_CNTL, rb_bufsz);
2662
2663 ring->ready = true;
2664 r = radeon_ring_test(rdev, R600_RING_TYPE_UVD_INDEX, ring);
2665 if (r) {
2666 ring->ready = false;
2667 return r;
2668 }
2669
2670 r = radeon_ring_lock(rdev, ring, 10);
2671 if (r) {
2672 DRM_ERROR("radeon: ring failed to lock UVD ring (%d).\n", r);
2673 return r;
2674 }
2675
2676 tmp = PACKET0(UVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL, 0);
2677 radeon_ring_write(ring, tmp);
2678 radeon_ring_write(ring, 0xFFFFF);
2679
2680 tmp = PACKET0(UVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL, 0);
2681 radeon_ring_write(ring, tmp);
2682 radeon_ring_write(ring, 0xFFFFF);
2683
2684 tmp = PACKET0(UVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL, 0);
2685 radeon_ring_write(ring, tmp);
2686 radeon_ring_write(ring, 0xFFFFF);
2687
2688 /* Clear timeout status bits */
2689 radeon_ring_write(ring, PACKET0(UVD_SEMA_TIMEOUT_STATUS, 0));
2690 radeon_ring_write(ring, 0x8);
2691
2692 radeon_ring_write(ring, PACKET0(UVD_SEMA_CNTL, 0));
2693 radeon_ring_write(ring, 3);
2694
2695 radeon_ring_unlock_commit(rdev, ring);
2696
2697 return 0;
2698 }
2699
2700 void r600_uvd_rbc_stop(struct radeon_device *rdev)
2701 {
2702 struct radeon_ring *ring = &rdev->ring[R600_RING_TYPE_UVD_INDEX];
2703
2704 /* force RBC into idle state */
2705 WREG32(UVD_RBC_RB_CNTL, 0x11010101);
2706 ring->ready = false;
2707 }
2708
2709 int r600_uvd_init(struct radeon_device *rdev)
2710 {
2711 int i, j, r;
2712 /* disable byte swapping */
2713 u32 lmi_swap_cntl = 0;
2714 u32 mp_swap_cntl = 0;
2715
2716 /* raise clocks while booting up the VCPU */
2717 radeon_set_uvd_clocks(rdev, 53300, 40000);
2718
2719 /* disable clock gating */
2720 WREG32(UVD_CGC_GATE, 0);
2721
2722 /* disable interupt */
2723 WREG32_P(UVD_MASTINT_EN, 0, ~(1 << 1));
2724
2725 /* put LMI, VCPU, RBC etc... into reset */
2726 WREG32(UVD_SOFT_RESET, LMI_SOFT_RESET | VCPU_SOFT_RESET |
2727 LBSI_SOFT_RESET | RBC_SOFT_RESET | CSM_SOFT_RESET |
2728 CXW_SOFT_RESET | TAP_SOFT_RESET | LMI_UMC_SOFT_RESET);
2729 mdelay(5);
2730
2731 /* take UVD block out of reset */
2732 WREG32_P(SRBM_SOFT_RESET, 0, ~SOFT_RESET_UVD);
2733 mdelay(5);
2734
2735 /* initialize UVD memory controller */
2736 WREG32(UVD_LMI_CTRL, 0x40 | (1 << 8) | (1 << 13) |
2737 (1 << 21) | (1 << 9) | (1 << 20));
2738
2739 #ifdef __BIG_ENDIAN
2740 /* swap (8 in 32) RB and IB */
2741 lmi_swap_cntl = 0xa;
2742 mp_swap_cntl = 0;
2743 #endif
2744 WREG32(UVD_LMI_SWAP_CNTL, lmi_swap_cntl);
2745 WREG32(UVD_MP_SWAP_CNTL, mp_swap_cntl);
2746
2747 WREG32(UVD_MPC_SET_MUXA0, 0x40c2040);
2748 WREG32(UVD_MPC_SET_MUXA1, 0x0);
2749 WREG32(UVD_MPC_SET_MUXB0, 0x40c2040);
2750 WREG32(UVD_MPC_SET_MUXB1, 0x0);
2751 WREG32(UVD_MPC_SET_ALU, 0);
2752 WREG32(UVD_MPC_SET_MUX, 0x88);
2753
2754 /* Stall UMC */
2755 WREG32_P(UVD_LMI_CTRL2, 1 << 8, ~(1 << 8));
2756 WREG32_P(UVD_RB_ARB_CTRL, 1 << 3, ~(1 << 3));
2757
2758 /* take all subblocks out of reset, except VCPU */
2759 WREG32(UVD_SOFT_RESET, VCPU_SOFT_RESET);
2760 mdelay(5);
2761
2762 /* enable VCPU clock */
2763 WREG32(UVD_VCPU_CNTL, 1 << 9);
2764
2765 /* enable UMC */
2766 WREG32_P(UVD_LMI_CTRL2, 0, ~(1 << 8));
2767
2768 /* boot up the VCPU */
2769 WREG32(UVD_SOFT_RESET, 0);
2770 mdelay(10);
2771
2772 WREG32_P(UVD_RB_ARB_CTRL, 0, ~(1 << 3));
2773
2774 for (i = 0; i < 10; ++i) {
2775 uint32_t status;
2776 for (j = 0; j < 100; ++j) {
2777 status = RREG32(UVD_STATUS);
2778 if (status & 2)
2779 break;
2780 mdelay(10);
2781 }
2782 r = 0;
2783 if (status & 2)
2784 break;
2785
2786 DRM_ERROR("UVD not responding, trying to reset the VCPU!!!\n");
2787 WREG32_P(UVD_SOFT_RESET, VCPU_SOFT_RESET, ~VCPU_SOFT_RESET);
2788 mdelay(10);
2789 WREG32_P(UVD_SOFT_RESET, 0, ~VCPU_SOFT_RESET);
2790 mdelay(10);
2791 r = -1;
2792 }
2793
2794 if (r) {
2795 DRM_ERROR("UVD not responding, giving up!!!\n");
2796 radeon_set_uvd_clocks(rdev, 0, 0);
2797 return r;
2798 }
2799
2800 /* enable interupt */
2801 WREG32_P(UVD_MASTINT_EN, 3<<1, ~(3 << 1));
2802
2803 r = r600_uvd_rbc_start(rdev);
2804 if (!r)
2805 DRM_INFO("UVD initialized successfully.\n");
2806
2807 /* lower clocks again */
2808 radeon_set_uvd_clocks(rdev, 0, 0);
2809
2810 return r;
2811 }
2812
2813 /*
2814 * GPU scratch registers helpers function.
2815 */
2816 void r600_scratch_init(struct radeon_device *rdev)
2817 {
2818 int i;
2819
2820 rdev->scratch.num_reg = 7;
2821 rdev->scratch.reg_base = SCRATCH_REG0;
2822 for (i = 0; i < rdev->scratch.num_reg; i++) {
2823 rdev->scratch.free[i] = true;
2824 rdev->scratch.reg[i] = rdev->scratch.reg_base + (i * 4);
2825 }
2826 }
2827
2828 int r600_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
2829 {
2830 uint32_t scratch;
2831 uint32_t tmp = 0;
2832 unsigned i;
2833 int r;
2834
2835 r = radeon_scratch_get(rdev, &scratch);
2836 if (r) {
2837 DRM_ERROR("radeon: cp failed to get scratch reg (%d).\n", r);
2838 return r;
2839 }
2840 WREG32(scratch, 0xCAFEDEAD);
2841 r = radeon_ring_lock(rdev, ring, 3);
2842 if (r) {
2843 DRM_ERROR("radeon: cp failed to lock ring %d (%d).\n", ring->idx, r);
2844 radeon_scratch_free(rdev, scratch);
2845 return r;
2846 }
2847 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2848 radeon_ring_write(ring, ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
2849 radeon_ring_write(ring, 0xDEADBEEF);
2850 radeon_ring_unlock_commit(rdev, ring);
2851 for (i = 0; i < rdev->usec_timeout; i++) {
2852 tmp = RREG32(scratch);
2853 if (tmp == 0xDEADBEEF)
2854 break;
2855 DRM_UDELAY(1);
2856 }
2857 if (i < rdev->usec_timeout) {
2858 DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i);
2859 } else {
2860 DRM_ERROR("radeon: ring %d test failed (scratch(0x%04X)=0x%08X)\n",
2861 ring->idx, scratch, tmp);
2862 r = -EINVAL;
2863 }
2864 radeon_scratch_free(rdev, scratch);
2865 return r;
2866 }
2867
2868 /**
2869 * r600_dma_ring_test - simple async dma engine test
2870 *
2871 * @rdev: radeon_device pointer
2872 * @ring: radeon_ring structure holding ring information
2873 *
2874 * Test the DMA engine by writing using it to write an
2875 * value to memory. (r6xx-SI).
2876 * Returns 0 for success, error for failure.
2877 */
2878 int r600_dma_ring_test(struct radeon_device *rdev,
2879 struct radeon_ring *ring)
2880 {
2881 unsigned i;
2882 int r;
2883 void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
2884 u32 tmp;
2885
2886 if (!ptr) {
2887 DRM_ERROR("invalid vram scratch pointer\n");
2888 return -EINVAL;
2889 }
2890
2891 tmp = 0xCAFEDEAD;
2892 writel(tmp, ptr);
2893
2894 r = radeon_ring_lock(rdev, ring, 4);
2895 if (r) {
2896 DRM_ERROR("radeon: dma failed to lock ring %d (%d).\n", ring->idx, r);
2897 return r;
2898 }
2899 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1));
2900 radeon_ring_write(ring, rdev->vram_scratch.gpu_addr & 0xfffffffc);
2901 radeon_ring_write(ring, upper_32_bits(rdev->vram_scratch.gpu_addr) & 0xff);
2902 radeon_ring_write(ring, 0xDEADBEEF);
2903 radeon_ring_unlock_commit(rdev, ring);
2904
2905 for (i = 0; i < rdev->usec_timeout; i++) {
2906 tmp = readl(ptr);
2907 if (tmp == 0xDEADBEEF)
2908 break;
2909 DRM_UDELAY(1);
2910 }
2911
2912 if (i < rdev->usec_timeout) {
2913 DRM_INFO("ring test on %d succeeded in %d usecs\n", ring->idx, i);
2914 } else {
2915 DRM_ERROR("radeon: ring %d test failed (0x%08X)\n",
2916 ring->idx, tmp);
2917 r = -EINVAL;
2918 }
2919 return r;
2920 }
2921
2922 int r600_uvd_ring_test(struct radeon_device *rdev, struct radeon_ring *ring)
2923 {
2924 uint32_t tmp = 0;
2925 unsigned i;
2926 int r;
2927
2928 WREG32(UVD_CONTEXT_ID, 0xCAFEDEAD);
2929 r = radeon_ring_lock(rdev, ring, 3);
2930 if (r) {
2931 DRM_ERROR("radeon: cp failed to lock ring %d (%d).\n",
2932 ring->idx, r);
2933 return r;
2934 }
2935 radeon_ring_write(ring, PACKET0(UVD_CONTEXT_ID, 0));
2936 radeon_ring_write(ring, 0xDEADBEEF);
2937 radeon_ring_unlock_commit(rdev, ring);
2938 for (i = 0; i < rdev->usec_timeout; i++) {
2939 tmp = RREG32(UVD_CONTEXT_ID);
2940 if (tmp == 0xDEADBEEF)
2941 break;
2942 DRM_UDELAY(1);
2943 }
2944
2945 if (i < rdev->usec_timeout) {
2946 DRM_INFO("ring test on %d succeeded in %d usecs\n",
2947 ring->idx, i);
2948 } else {
2949 DRM_ERROR("radeon: ring %d test failed (0x%08X)\n",
2950 ring->idx, tmp);
2951 r = -EINVAL;
2952 }
2953 return r;
2954 }
2955
2956 /*
2957 * CP fences/semaphores
2958 */
2959
2960 void r600_fence_ring_emit(struct radeon_device *rdev,
2961 struct radeon_fence *fence)
2962 {
2963 struct radeon_ring *ring = &rdev->ring[fence->ring];
2964
2965 if (rdev->wb.use_event) {
2966 u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
2967 /* flush read cache over gart */
2968 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
2969 radeon_ring_write(ring, PACKET3_TC_ACTION_ENA |
2970 PACKET3_VC_ACTION_ENA |
2971 PACKET3_SH_ACTION_ENA);
2972 radeon_ring_write(ring, 0xFFFFFFFF);
2973 radeon_ring_write(ring, 0);
2974 radeon_ring_write(ring, 10); /* poll interval */
2975 /* EVENT_WRITE_EOP - flush caches, send int */
2976 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
2977 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT_TS) | EVENT_INDEX(5));
2978 radeon_ring_write(ring, addr & 0xffffffff);
2979 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | DATA_SEL(1) | INT_SEL(2));
2980 radeon_ring_write(ring, fence->seq);
2981 radeon_ring_write(ring, 0);
2982 } else {
2983 /* flush read cache over gart */
2984 radeon_ring_write(ring, PACKET3(PACKET3_SURFACE_SYNC, 3));
2985 radeon_ring_write(ring, PACKET3_TC_ACTION_ENA |
2986 PACKET3_VC_ACTION_ENA |
2987 PACKET3_SH_ACTION_ENA);
2988 radeon_ring_write(ring, 0xFFFFFFFF);
2989 radeon_ring_write(ring, 0);
2990 radeon_ring_write(ring, 10); /* poll interval */
2991 radeon_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE, 0));
2992 radeon_ring_write(ring, EVENT_TYPE(CACHE_FLUSH_AND_INV_EVENT) | EVENT_INDEX(0));
2993 /* wait for 3D idle clean */
2994 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2995 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
2996 radeon_ring_write(ring, WAIT_3D_IDLE_bit | WAIT_3D_IDLECLEAN_bit);
2997 /* Emit fence sequence & fire IRQ */
2998 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
2999 radeon_ring_write(ring, ((rdev->fence_drv[fence->ring].scratch_reg - PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
3000 radeon_ring_write(ring, fence->seq);
3001 /* CP_INTERRUPT packet 3 no longer exists, use packet 0 */
3002 radeon_ring_write(ring, PACKET0(CP_INT_STATUS, 0));
3003 radeon_ring_write(ring, RB_INT_STAT);
3004 }
3005 }
3006
3007 void r600_uvd_fence_emit(struct radeon_device *rdev,
3008 struct radeon_fence *fence)
3009 {
3010 struct radeon_ring *ring = &rdev->ring[fence->ring];
3011 uint64_t addr = rdev->fence_drv[fence->ring].gpu_addr;
3012
3013 radeon_ring_write(ring, PACKET0(UVD_CONTEXT_ID, 0));
3014 radeon_ring_write(ring, fence->seq);
3015 radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA0, 0));
3016 radeon_ring_write(ring, addr & 0xffffffff);
3017 radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA1, 0));
3018 radeon_ring_write(ring, upper_32_bits(addr) & 0xff);
3019 radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_CMD, 0));
3020 radeon_ring_write(ring, 0);
3021
3022 radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA0, 0));
3023 radeon_ring_write(ring, 0);
3024 radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_DATA1, 0));
3025 radeon_ring_write(ring, 0);
3026 radeon_ring_write(ring, PACKET0(UVD_GPCOM_VCPU_CMD, 0));
3027 radeon_ring_write(ring, 2);
3028 return;
3029 }
3030
3031 void r600_semaphore_ring_emit(struct radeon_device *rdev,
3032 struct radeon_ring *ring,
3033 struct radeon_semaphore *semaphore,
3034 bool emit_wait)
3035 {
3036 uint64_t addr = semaphore->gpu_addr;
3037 unsigned sel = emit_wait ? PACKET3_SEM_SEL_WAIT : PACKET3_SEM_SEL_SIGNAL;
3038
3039 if (rdev->family < CHIP_CAYMAN)
3040 sel |= PACKET3_SEM_WAIT_ON_SIGNAL;
3041
3042 radeon_ring_write(ring, PACKET3(PACKET3_MEM_SEMAPHORE, 1));
3043 radeon_ring_write(ring, addr & 0xffffffff);
3044 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff) | sel);
3045 }
3046
3047 /*
3048 * DMA fences/semaphores
3049 */
3050
3051 /**
3052 * r600_dma_fence_ring_emit - emit a fence on the DMA ring
3053 *
3054 * @rdev: radeon_device pointer
3055 * @fence: radeon fence object
3056 *
3057 * Add a DMA fence packet to the ring to write
3058 * the fence seq number and DMA trap packet to generate
3059 * an interrupt if needed (r6xx-r7xx).
3060 */
3061 void r600_dma_fence_ring_emit(struct radeon_device *rdev,
3062 struct radeon_fence *fence)
3063 {
3064 struct radeon_ring *ring = &rdev->ring[fence->ring];
3065 u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
3066
3067 /* write the fence */
3068 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_FENCE, 0, 0, 0));
3069 radeon_ring_write(ring, addr & 0xfffffffc);
3070 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff));
3071 radeon_ring_write(ring, lower_32_bits(fence->seq));
3072 /* generate an interrupt */
3073 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_TRAP, 0, 0, 0));
3074 }
3075
3076 /**
3077 * r600_dma_semaphore_ring_emit - emit a semaphore on the dma ring
3078 *
3079 * @rdev: radeon_device pointer
3080 * @ring: radeon_ring structure holding ring information
3081 * @semaphore: radeon semaphore object
3082 * @emit_wait: wait or signal semaphore
3083 *
3084 * Add a DMA semaphore packet to the ring wait on or signal
3085 * other rings (r6xx-SI).
3086 */
3087 void r600_dma_semaphore_ring_emit(struct radeon_device *rdev,
3088 struct radeon_ring *ring,
3089 struct radeon_semaphore *semaphore,
3090 bool emit_wait)
3091 {
3092 u64 addr = semaphore->gpu_addr;
3093 u32 s = emit_wait ? 0 : 1;
3094
3095 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SEMAPHORE, 0, s, 0));
3096 radeon_ring_write(ring, addr & 0xfffffffc);
3097 radeon_ring_write(ring, upper_32_bits(addr) & 0xff);
3098 }
3099
3100 void r600_uvd_semaphore_emit(struct radeon_device *rdev,
3101 struct radeon_ring *ring,
3102 struct radeon_semaphore *semaphore,
3103 bool emit_wait)
3104 {
3105 uint64_t addr = semaphore->gpu_addr;
3106
3107 radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_LOW, 0));
3108 radeon_ring_write(ring, (addr >> 3) & 0x000FFFFF);
3109
3110 radeon_ring_write(ring, PACKET0(UVD_SEMA_ADDR_HIGH, 0));
3111 radeon_ring_write(ring, (addr >> 23) & 0x000FFFFF);
3112
3113 radeon_ring_write(ring, PACKET0(UVD_SEMA_CMD, 0));
3114 radeon_ring_write(ring, emit_wait ? 1 : 0);
3115 }
3116
3117 int r600_copy_blit(struct radeon_device *rdev,
3118 uint64_t src_offset,
3119 uint64_t dst_offset,
3120 unsigned num_gpu_pages,
3121 struct radeon_fence **fence)
3122 {
3123 struct radeon_semaphore *sem = NULL;
3124 struct radeon_sa_bo *vb = NULL;
3125 int r;
3126
3127 r = r600_blit_prepare_copy(rdev, num_gpu_pages, fence, &vb, &sem);
3128 if (r) {
3129 return r;
3130 }
3131 r600_kms_blit_copy(rdev, src_offset, dst_offset, num_gpu_pages, vb);
3132 r600_blit_done_copy(rdev, fence, vb, sem);
3133 return 0;
3134 }
3135
3136 /**
3137 * r600_copy_cpdma - copy pages using the CP DMA engine
3138 *
3139 * @rdev: radeon_device pointer
3140 * @src_offset: src GPU address
3141 * @dst_offset: dst GPU address
3142 * @num_gpu_pages: number of GPU pages to xfer
3143 * @fence: radeon fence object
3144 *
3145 * Copy GPU paging using the CP DMA engine (r6xx+).
3146 * Used by the radeon ttm implementation to move pages if
3147 * registered as the asic copy callback.
3148 */
3149 int r600_copy_cpdma(struct radeon_device *rdev,
3150 uint64_t src_offset, uint64_t dst_offset,
3151 unsigned num_gpu_pages,
3152 struct radeon_fence **fence)
3153 {
3154 struct radeon_semaphore *sem = NULL;
3155 int ring_index = rdev->asic->copy.blit_ring_index;
3156 struct radeon_ring *ring = &rdev->ring[ring_index];
3157 u32 size_in_bytes, cur_size_in_bytes, tmp;
3158 int i, num_loops;
3159 int r = 0;
3160
3161 r = radeon_semaphore_create(rdev, &sem);
3162 if (r) {
3163 DRM_ERROR("radeon: moving bo (%d).\n", r);
3164 return r;
3165 }
3166
3167 size_in_bytes = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT);
3168 num_loops = DIV_ROUND_UP(size_in_bytes, 0x1fffff);
3169 r = radeon_ring_lock(rdev, ring, num_loops * 6 + 24);
3170 if (r) {
3171 DRM_ERROR("radeon: moving bo (%d).\n", r);
3172 radeon_semaphore_free(rdev, &sem, NULL);
3173 return r;
3174 }
3175
3176 if (radeon_fence_need_sync(*fence, ring->idx)) {
3177 radeon_semaphore_sync_rings(rdev, sem, (*fence)->ring,
3178 ring->idx);
3179 radeon_fence_note_sync(*fence, ring->idx);
3180 } else {
3181 radeon_semaphore_free(rdev, &sem, NULL);
3182 }
3183
3184 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3185 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
3186 radeon_ring_write(ring, WAIT_3D_IDLE_bit);
3187 for (i = 0; i < num_loops; i++) {
3188 cur_size_in_bytes = size_in_bytes;
3189 if (cur_size_in_bytes > 0x1fffff)
3190 cur_size_in_bytes = 0x1fffff;
3191 size_in_bytes -= cur_size_in_bytes;
3192 tmp = upper_32_bits(src_offset) & 0xff;
3193 if (size_in_bytes == 0)
3194 tmp |= PACKET3_CP_DMA_CP_SYNC;
3195 radeon_ring_write(ring, PACKET3(PACKET3_CP_DMA, 4));
3196 radeon_ring_write(ring, src_offset & 0xffffffff);
3197 radeon_ring_write(ring, tmp);
3198 radeon_ring_write(ring, dst_offset & 0xffffffff);
3199 radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xff);
3200 radeon_ring_write(ring, cur_size_in_bytes);
3201 src_offset += cur_size_in_bytes;
3202 dst_offset += cur_size_in_bytes;
3203 }
3204 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3205 radeon_ring_write(ring, (WAIT_UNTIL - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
3206 radeon_ring_write(ring, WAIT_CP_DMA_IDLE_bit);
3207
3208 r = radeon_fence_emit(rdev, fence, ring->idx);
3209 if (r) {
3210 radeon_ring_unlock_undo(rdev, ring);
3211 return r;
3212 }
3213
3214 radeon_ring_unlock_commit(rdev, ring);
3215 radeon_semaphore_free(rdev, &sem, *fence);
3216
3217 return r;
3218 }
3219
3220 /**
3221 * r600_copy_dma - copy pages using the DMA engine
3222 *
3223 * @rdev: radeon_device pointer
3224 * @src_offset: src GPU address
3225 * @dst_offset: dst GPU address
3226 * @num_gpu_pages: number of GPU pages to xfer
3227 * @fence: radeon fence object
3228 *
3229 * Copy GPU paging using the DMA engine (r6xx).
3230 * Used by the radeon ttm implementation to move pages if
3231 * registered as the asic copy callback.
3232 */
3233 int r600_copy_dma(struct radeon_device *rdev,
3234 uint64_t src_offset, uint64_t dst_offset,
3235 unsigned num_gpu_pages,
3236 struct radeon_fence **fence)
3237 {
3238 struct radeon_semaphore *sem = NULL;
3239 int ring_index = rdev->asic->copy.dma_ring_index;
3240 struct radeon_ring *ring = &rdev->ring[ring_index];
3241 u32 size_in_dw, cur_size_in_dw;
3242 int i, num_loops;
3243 int r = 0;
3244
3245 r = radeon_semaphore_create(rdev, &sem);
3246 if (r) {
3247 DRM_ERROR("radeon: moving bo (%d).\n", r);
3248 return r;
3249 }
3250
3251 size_in_dw = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT) / 4;
3252 num_loops = DIV_ROUND_UP(size_in_dw, 0xFFFE);
3253 r = radeon_ring_lock(rdev, ring, num_loops * 4 + 8);
3254 if (r) {
3255 DRM_ERROR("radeon: moving bo (%d).\n", r);
3256 radeon_semaphore_free(rdev, &sem, NULL);
3257 return r;
3258 }
3259
3260 if (radeon_fence_need_sync(*fence, ring->idx)) {
3261 radeon_semaphore_sync_rings(rdev, sem, (*fence)->ring,
3262 ring->idx);
3263 radeon_fence_note_sync(*fence, ring->idx);
3264 } else {
3265 radeon_semaphore_free(rdev, &sem, NULL);
3266 }
3267
3268 for (i = 0; i < num_loops; i++) {
3269 cur_size_in_dw = size_in_dw;
3270 if (cur_size_in_dw > 0xFFFE)
3271 cur_size_in_dw = 0xFFFE;
3272 size_in_dw -= cur_size_in_dw;
3273 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_COPY, 0, 0, cur_size_in_dw));
3274 radeon_ring_write(ring, dst_offset & 0xfffffffc);
3275 radeon_ring_write(ring, src_offset & 0xfffffffc);
3276 radeon_ring_write(ring, (((upper_32_bits(dst_offset) & 0xff) << 16) |
3277 (upper_32_bits(src_offset) & 0xff)));
3278 src_offset += cur_size_in_dw * 4;
3279 dst_offset += cur_size_in_dw * 4;
3280 }
3281
3282 r = radeon_fence_emit(rdev, fence, ring->idx);
3283 if (r) {
3284 radeon_ring_unlock_undo(rdev, ring);
3285 return r;
3286 }
3287
3288 radeon_ring_unlock_commit(rdev, ring);
3289 radeon_semaphore_free(rdev, &sem, *fence);
3290
3291 return r;
3292 }
3293
3294 int r600_set_surface_reg(struct radeon_device *rdev, int reg,
3295 uint32_t tiling_flags, uint32_t pitch,
3296 uint32_t offset, uint32_t obj_size)
3297 {
3298 /* FIXME: implement */
3299 return 0;
3300 }
3301
3302 void r600_clear_surface_reg(struct radeon_device *rdev, int reg)
3303 {
3304 /* FIXME: implement */
3305 }
3306
3307 static int r600_startup(struct radeon_device *rdev)
3308 {
3309 struct radeon_ring *ring;
3310 int r;
3311
3312 /* enable pcie gen2 link */
3313 r600_pcie_gen2_enable(rdev);
3314
3315 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
3316 r = r600_init_microcode(rdev);
3317 if (r) {
3318 DRM_ERROR("Failed to load firmware!\n");
3319 return r;
3320 }
3321 }
3322
3323 r = r600_vram_scratch_init(rdev);
3324 if (r)
3325 return r;
3326
3327 r600_mc_program(rdev);
3328 if (rdev->flags & RADEON_IS_AGP) {
3329 r600_agp_enable(rdev);
3330 } else {
3331 r = r600_pcie_gart_enable(rdev);
3332 if (r)
3333 return r;
3334 }
3335 r600_gpu_init(rdev);
3336 r = r600_blit_init(rdev);
3337 if (r) {
3338 r600_blit_fini(rdev);
3339 rdev->asic->copy.copy = NULL;
3340 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
3341 }
3342
3343 /* allocate wb buffer */
3344 r = radeon_wb_init(rdev);
3345 if (r)
3346 return r;
3347
3348 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
3349 if (r) {
3350 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
3351 return r;
3352 }
3353
3354 r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
3355 if (r) {
3356 dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
3357 return r;
3358 }
3359
3360 /* Enable IRQ */
3361 if (!rdev->irq.installed) {
3362 r = radeon_irq_kms_init(rdev);
3363 if (r)
3364 return r;
3365 }
3366
3367 r = r600_irq_init(rdev);
3368 if (r) {
3369 DRM_ERROR("radeon: IH init failed (%d).\n", r);
3370 radeon_irq_kms_fini(rdev);
3371 return r;
3372 }
3373 r600_irq_set(rdev);
3374
3375 ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3376 r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
3377 R600_CP_RB_RPTR, R600_CP_RB_WPTR,
3378 0, 0xfffff, RADEON_CP_PACKET2);
3379 if (r)
3380 return r;
3381
3382 ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
3383 r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
3384 DMA_RB_RPTR, DMA_RB_WPTR,
3385 2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
3386 if (r)
3387 return r;
3388
3389 r = r600_cp_load_microcode(rdev);
3390 if (r)
3391 return r;
3392 r = r600_cp_resume(rdev);
3393 if (r)
3394 return r;
3395
3396 r = r600_dma_resume(rdev);
3397 if (r)
3398 return r;
3399
3400 r = radeon_ib_pool_init(rdev);
3401 if (r) {
3402 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
3403 return r;
3404 }
3405
3406 r = r600_audio_init(rdev);
3407 if (r) {
3408 DRM_ERROR("radeon: audio init failed\n");
3409 return r;
3410 }
3411
3412 return 0;
3413 }
3414
3415 void r600_vga_set_state(struct radeon_device *rdev, bool state)
3416 {
3417 uint32_t temp;
3418
3419 temp = RREG32(CONFIG_CNTL);
3420 if (state == false) {
3421 temp &= ~(1<<0);
3422 temp |= (1<<1);
3423 } else {
3424 temp &= ~(1<<1);
3425 }
3426 WREG32(CONFIG_CNTL, temp);
3427 }
3428
3429 int r600_resume(struct radeon_device *rdev)
3430 {
3431 int r;
3432
3433 /* Do not reset GPU before posting, on r600 hw unlike on r500 hw,
3434 * posting will perform necessary task to bring back GPU into good
3435 * shape.
3436 */
3437 /* post card */
3438 atom_asic_init(rdev->mode_info.atom_context);
3439
3440 rdev->accel_working = true;
3441 r = r600_startup(rdev);
3442 if (r) {
3443 DRM_ERROR("r600 startup failed on resume\n");
3444 rdev->accel_working = false;
3445 return r;
3446 }
3447
3448 return r;
3449 }
3450
3451 int r600_suspend(struct radeon_device *rdev)
3452 {
3453 r600_audio_fini(rdev);
3454 r600_cp_stop(rdev);
3455 r600_dma_stop(rdev);
3456 r600_irq_suspend(rdev);
3457 radeon_wb_disable(rdev);
3458 r600_pcie_gart_disable(rdev);
3459
3460 return 0;
3461 }
3462
3463 /* Plan is to move initialization in that function and use
3464 * helper function so that radeon_device_init pretty much
3465 * do nothing more than calling asic specific function. This
3466 * should also allow to remove a bunch of callback function
3467 * like vram_info.
3468 */
3469 int r600_init(struct radeon_device *rdev)
3470 {
3471 int r;
3472
3473 if (r600_debugfs_mc_info_init(rdev)) {
3474 DRM_ERROR("Failed to register debugfs file for mc !\n");
3475 }
3476 /* Read BIOS */
3477 if (!radeon_get_bios(rdev)) {
3478 if (ASIC_IS_AVIVO(rdev))
3479 return -EINVAL;
3480 }
3481 /* Must be an ATOMBIOS */
3482 if (!rdev->is_atom_bios) {
3483 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
3484 return -EINVAL;
3485 }
3486 r = radeon_atombios_init(rdev);
3487 if (r)
3488 return r;
3489 /* Post card if necessary */
3490 if (!radeon_card_posted(rdev)) {
3491 if (!rdev->bios) {
3492 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
3493 return -EINVAL;
3494 }
3495 DRM_INFO("GPU not posted. posting now...\n");
3496 atom_asic_init(rdev->mode_info.atom_context);
3497 }
3498 /* Initialize scratch registers */
3499 r600_scratch_init(rdev);
3500 /* Initialize surface registers */
3501 radeon_surface_init(rdev);
3502 /* Initialize clocks */
3503 radeon_get_clock_info(rdev->ddev);
3504 /* Fence driver */
3505 r = radeon_fence_driver_init(rdev);
3506 if (r)
3507 return r;
3508 if (rdev->flags & RADEON_IS_AGP) {
3509 r = radeon_agp_init(rdev);
3510 if (r)
3511 radeon_agp_disable(rdev);
3512 }
3513 r = r600_mc_init(rdev);
3514 if (r)
3515 return r;
3516 /* Memory manager */
3517 r = radeon_bo_init(rdev);
3518 if (r)
3519 return r;
3520
3521 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
3522 r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
3523
3524 rdev->ring[R600_RING_TYPE_DMA_INDEX].ring_obj = NULL;
3525 r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX], 64 * 1024);
3526
3527 rdev->ih.ring_obj = NULL;
3528 r600_ih_ring_init(rdev, 64 * 1024);
3529
3530 r = r600_pcie_gart_init(rdev);
3531 if (r)
3532 return r;
3533
3534 rdev->accel_working = true;
3535 r = r600_startup(rdev);
3536 if (r) {
3537 dev_err(rdev->dev, "disabling GPU acceleration\n");
3538 r600_cp_fini(rdev);
3539 r600_dma_fini(rdev);
3540 r600_irq_fini(rdev);
3541 radeon_wb_fini(rdev);
3542 radeon_ib_pool_fini(rdev);
3543 radeon_irq_kms_fini(rdev);
3544 r600_pcie_gart_fini(rdev);
3545 rdev->accel_working = false;
3546 }
3547
3548 return 0;
3549 }
3550
3551 void r600_fini(struct radeon_device *rdev)
3552 {
3553 r600_audio_fini(rdev);
3554 r600_blit_fini(rdev);
3555 r600_cp_fini(rdev);
3556 r600_dma_fini(rdev);
3557 r600_irq_fini(rdev);
3558 radeon_wb_fini(rdev);
3559 radeon_ib_pool_fini(rdev);
3560 radeon_irq_kms_fini(rdev);
3561 r600_pcie_gart_fini(rdev);
3562 r600_vram_scratch_fini(rdev);
3563 radeon_agp_fini(rdev);
3564 radeon_gem_fini(rdev);
3565 radeon_fence_driver_fini(rdev);
3566 radeon_bo_fini(rdev);
3567 radeon_atombios_fini(rdev);
3568 kfree(rdev->bios);
3569 rdev->bios = NULL;
3570 }
3571
3572
3573 /*
3574 * CS stuff
3575 */
3576 void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3577 {
3578 struct radeon_ring *ring = &rdev->ring[ib->ring];
3579 u32 next_rptr;
3580
3581 if (ring->rptr_save_reg) {
3582 next_rptr = ring->wptr + 3 + 4;
3583 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
3584 radeon_ring_write(ring, ((ring->rptr_save_reg -
3585 PACKET3_SET_CONFIG_REG_OFFSET) >> 2));
3586 radeon_ring_write(ring, next_rptr);
3587 } else if (rdev->wb.enabled) {
3588 next_rptr = ring->wptr + 5 + 4;
3589 radeon_ring_write(ring, PACKET3(PACKET3_MEM_WRITE, 3));
3590 radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
3591 radeon_ring_write(ring, (upper_32_bits(ring->next_rptr_gpu_addr) & 0xff) | (1 << 18));
3592 radeon_ring_write(ring, next_rptr);
3593 radeon_ring_write(ring, 0);
3594 }
3595
3596 radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
3597 radeon_ring_write(ring,
3598 #ifdef __BIG_ENDIAN
3599 (2 << 0) |
3600 #endif
3601 (ib->gpu_addr & 0xFFFFFFFC));
3602 radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
3603 radeon_ring_write(ring, ib->length_dw);
3604 }
3605
3606 void r600_uvd_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3607 {
3608 struct radeon_ring *ring = &rdev->ring[ib->ring];
3609
3610 radeon_ring_write(ring, PACKET0(UVD_RBC_IB_BASE, 0));
3611 radeon_ring_write(ring, ib->gpu_addr);
3612 radeon_ring_write(ring, PACKET0(UVD_RBC_IB_SIZE, 0));
3613 radeon_ring_write(ring, ib->length_dw);
3614 }
3615
3616 int r600_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
3617 {
3618 struct radeon_ib ib;
3619 uint32_t scratch;
3620 uint32_t tmp = 0;
3621 unsigned i;
3622 int r;
3623
3624 r = radeon_scratch_get(rdev, &scratch);
3625 if (r) {
3626 DRM_ERROR("radeon: failed to get scratch reg (%d).\n", r);
3627 return r;
3628 }
3629 WREG32(scratch, 0xCAFEDEAD);
3630 r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256);
3631 if (r) {
3632 DRM_ERROR("radeon: failed to get ib (%d).\n", r);
3633 goto free_scratch;
3634 }
3635 ib.ptr[0] = PACKET3(PACKET3_SET_CONFIG_REG, 1);
3636 ib.ptr[1] = ((scratch - PACKET3_SET_CONFIG_REG_OFFSET) >> 2);
3637 ib.ptr[2] = 0xDEADBEEF;
3638 ib.length_dw = 3;
3639 r = radeon_ib_schedule(rdev, &ib, NULL);
3640 if (r) {
3641 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
3642 goto free_ib;
3643 }
3644 r = radeon_fence_wait(ib.fence, false);
3645 if (r) {
3646 DRM_ERROR("radeon: fence wait failed (%d).\n", r);
3647 goto free_ib;
3648 }
3649 for (i = 0; i < rdev->usec_timeout; i++) {
3650 tmp = RREG32(scratch);
3651 if (tmp == 0xDEADBEEF)
3652 break;
3653 DRM_UDELAY(1);
3654 }
3655 if (i < rdev->usec_timeout) {
3656 DRM_INFO("ib test on ring %d succeeded in %u usecs\n", ib.fence->ring, i);
3657 } else {
3658 DRM_ERROR("radeon: ib test failed (scratch(0x%04X)=0x%08X)\n",
3659 scratch, tmp);
3660 r = -EINVAL;
3661 }
3662 free_ib:
3663 radeon_ib_free(rdev, &ib);
3664 free_scratch:
3665 radeon_scratch_free(rdev, scratch);
3666 return r;
3667 }
3668
3669 /**
3670 * r600_dma_ib_test - test an IB on the DMA engine
3671 *
3672 * @rdev: radeon_device pointer
3673 * @ring: radeon_ring structure holding ring information
3674 *
3675 * Test a simple IB in the DMA ring (r6xx-SI).
3676 * Returns 0 on success, error on failure.
3677 */
3678 int r600_dma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
3679 {
3680 struct radeon_ib ib;
3681 unsigned i;
3682 int r;
3683 void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
3684 u32 tmp = 0;
3685
3686 if (!ptr) {
3687 DRM_ERROR("invalid vram scratch pointer\n");
3688 return -EINVAL;
3689 }
3690
3691 tmp = 0xCAFEDEAD;
3692 writel(tmp, ptr);
3693
3694 r = radeon_ib_get(rdev, ring->idx, &ib, NULL, 256);
3695 if (r) {
3696 DRM_ERROR("radeon: failed to get ib (%d).\n", r);
3697 return r;
3698 }
3699
3700 ib.ptr[0] = DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1);
3701 ib.ptr[1] = rdev->vram_scratch.gpu_addr & 0xfffffffc;
3702 ib.ptr[2] = upper_32_bits(rdev->vram_scratch.gpu_addr) & 0xff;
3703 ib.ptr[3] = 0xDEADBEEF;
3704 ib.length_dw = 4;
3705
3706 r = radeon_ib_schedule(rdev, &ib, NULL);
3707 if (r) {
3708 radeon_ib_free(rdev, &ib);
3709 DRM_ERROR("radeon: failed to schedule ib (%d).\n", r);
3710 return r;
3711 }
3712 r = radeon_fence_wait(ib.fence, false);
3713 if (r) {
3714 DRM_ERROR("radeon: fence wait failed (%d).\n", r);
3715 return r;
3716 }
3717 for (i = 0; i < rdev->usec_timeout; i++) {
3718 tmp = readl(ptr);
3719 if (tmp == 0xDEADBEEF)
3720 break;
3721 DRM_UDELAY(1);
3722 }
3723 if (i < rdev->usec_timeout) {
3724 DRM_INFO("ib test on ring %d succeeded in %u usecs\n", ib.fence->ring, i);
3725 } else {
3726 DRM_ERROR("radeon: ib test failed (0x%08X)\n", tmp);
3727 r = -EINVAL;
3728 }
3729 radeon_ib_free(rdev, &ib);
3730 return r;
3731 }
3732
3733 int r600_uvd_ib_test(struct radeon_device *rdev, struct radeon_ring *ring)
3734 {
3735 struct radeon_fence *fence = NULL;
3736 int r;
3737
3738 r = radeon_set_uvd_clocks(rdev, 53300, 40000);
3739 if (r) {
3740 DRM_ERROR("radeon: failed to raise UVD clocks (%d).\n", r);
3741 return r;
3742 }
3743
3744 r = radeon_uvd_get_create_msg(rdev, ring->idx, 1, NULL);
3745 if (r) {
3746 DRM_ERROR("radeon: failed to get create msg (%d).\n", r);
3747 goto error;
3748 }
3749
3750 r = radeon_uvd_get_destroy_msg(rdev, ring->idx, 1, &fence);
3751 if (r) {
3752 DRM_ERROR("radeon: failed to get destroy ib (%d).\n", r);
3753 goto error;
3754 }
3755
3756 r = radeon_fence_wait(fence, false);
3757 if (r) {
3758 DRM_ERROR("radeon: fence wait failed (%d).\n", r);
3759 goto error;
3760 }
3761 DRM_INFO("ib test on ring %d succeeded\n", ring->idx);
3762 error:
3763 radeon_fence_unref(&fence);
3764 radeon_set_uvd_clocks(rdev, 0, 0);
3765 return r;
3766 }
3767
3768 /**
3769 * r600_dma_ring_ib_execute - Schedule an IB on the DMA engine
3770 *
3771 * @rdev: radeon_device pointer
3772 * @ib: IB object to schedule
3773 *
3774 * Schedule an IB in the DMA ring (r6xx-r7xx).
3775 */
3776 void r600_dma_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
3777 {
3778 struct radeon_ring *ring = &rdev->ring[ib->ring];
3779
3780 if (rdev->wb.enabled) {
3781 u32 next_rptr = ring->wptr + 4;
3782 while ((next_rptr & 7) != 5)
3783 next_rptr++;
3784 next_rptr += 3;
3785 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1));
3786 radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
3787 radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xff);
3788 radeon_ring_write(ring, next_rptr);
3789 }
3790
3791 /* The indirect buffer packet must end on an 8 DW boundary in the DMA ring.
3792 * Pad as necessary with NOPs.
3793 */
3794 while ((ring->wptr & 7) != 5)
3795 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
3796 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_INDIRECT_BUFFER, 0, 0, 0));
3797 radeon_ring_write(ring, (ib->gpu_addr & 0xFFFFFFE0));
3798 radeon_ring_write(ring, (ib->length_dw << 16) | (upper_32_bits(ib->gpu_addr) & 0xFF));
3799
3800 }
3801
3802 /*
3803 * Interrupts
3804 *
3805 * Interrupts use a ring buffer on r6xx/r7xx hardware. It works pretty
3806 * the same as the CP ring buffer, but in reverse. Rather than the CPU
3807 * writing to the ring and the GPU consuming, the GPU writes to the ring
3808 * and host consumes. As the host irq handler processes interrupts, it
3809 * increments the rptr. When the rptr catches up with the wptr, all the
3810 * current interrupts have been processed.
3811 */
3812
3813 void r600_ih_ring_init(struct radeon_device *rdev, unsigned ring_size)
3814 {
3815 u32 rb_bufsz;
3816
3817 /* Align ring size */
3818 rb_bufsz = drm_order(ring_size / 4);
3819 ring_size = (1 << rb_bufsz) * 4;
3820 rdev->ih.ring_size = ring_size;
3821 rdev->ih.ptr_mask = rdev->ih.ring_size - 1;
3822 rdev->ih.rptr = 0;
3823 }
3824
3825 int r600_ih_ring_alloc(struct radeon_device *rdev)
3826 {
3827 int r;
3828
3829 /* Allocate ring buffer */
3830 if (rdev->ih.ring_obj == NULL) {
3831 r = radeon_bo_create(rdev, rdev->ih.ring_size,
3832 PAGE_SIZE, true,
3833 RADEON_GEM_DOMAIN_GTT,
3834 NULL, &rdev->ih.ring_obj);
3835 if (r) {
3836 DRM_ERROR("radeon: failed to create ih ring buffer (%d).\n", r);
3837 return r;
3838 }
3839 r = radeon_bo_reserve(rdev->ih.ring_obj, false);
3840 if (unlikely(r != 0))
3841 return r;
3842 r = radeon_bo_pin(rdev->ih.ring_obj,
3843 RADEON_GEM_DOMAIN_GTT,
3844 &rdev->ih.gpu_addr);
3845 if (r) {
3846 radeon_bo_unreserve(rdev->ih.ring_obj);
3847 DRM_ERROR("radeon: failed to pin ih ring buffer (%d).\n", r);
3848 return r;
3849 }
3850 r = radeon_bo_kmap(rdev->ih.ring_obj,
3851 (void **)&rdev->ih.ring);
3852 radeon_bo_unreserve(rdev->ih.ring_obj);
3853 if (r) {
3854 DRM_ERROR("radeon: failed to map ih ring buffer (%d).\n", r);
3855 return r;
3856 }
3857 }
3858 return 0;
3859 }
3860
3861 void r600_ih_ring_fini(struct radeon_device *rdev)
3862 {
3863 int r;
3864 if (rdev->ih.ring_obj) {
3865 r = radeon_bo_reserve(rdev->ih.ring_obj, false);
3866 if (likely(r == 0)) {
3867 radeon_bo_kunmap(rdev->ih.ring_obj);
3868 radeon_bo_unpin(rdev->ih.ring_obj);
3869 radeon_bo_unreserve(rdev->ih.ring_obj);
3870 }
3871 radeon_bo_unref(&rdev->ih.ring_obj);
3872 rdev->ih.ring = NULL;
3873 rdev->ih.ring_obj = NULL;
3874 }
3875 }
3876
3877 void r600_rlc_stop(struct radeon_device *rdev)
3878 {
3879
3880 if ((rdev->family >= CHIP_RV770) &&
3881 (rdev->family <= CHIP_RV740)) {
3882 /* r7xx asics need to soft reset RLC before halting */
3883 WREG32(SRBM_SOFT_RESET, SOFT_RESET_RLC);
3884 RREG32(SRBM_SOFT_RESET);
3885 mdelay(15);
3886 WREG32(SRBM_SOFT_RESET, 0);
3887 RREG32(SRBM_SOFT_RESET);
3888 }
3889
3890 WREG32(RLC_CNTL, 0);
3891 }
3892
3893 static void r600_rlc_start(struct radeon_device *rdev)
3894 {
3895 WREG32(RLC_CNTL, RLC_ENABLE);
3896 }
3897
3898 static int r600_rlc_resume(struct radeon_device *rdev)
3899 {
3900 u32 i;
3901 const __be32 *fw_data;
3902
3903 if (!rdev->rlc_fw)
3904 return -EINVAL;
3905
3906 r600_rlc_stop(rdev);
3907
3908 WREG32(RLC_HB_CNTL, 0);
3909
3910 WREG32(RLC_HB_BASE, 0);
3911 WREG32(RLC_HB_RPTR, 0);
3912 WREG32(RLC_HB_WPTR, 0);
3913 WREG32(RLC_HB_WPTR_LSB_ADDR, 0);
3914 WREG32(RLC_HB_WPTR_MSB_ADDR, 0);
3915 WREG32(RLC_MC_CNTL, 0);
3916 WREG32(RLC_UCODE_CNTL, 0);
3917
3918 fw_data = (const __be32 *)rdev->rlc_fw->data;
3919 if (rdev->family >= CHIP_RV770) {
3920 for (i = 0; i < R700_RLC_UCODE_SIZE; i++) {
3921 WREG32(RLC_UCODE_ADDR, i);
3922 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
3923 }
3924 } else {
3925 for (i = 0; i < R600_RLC_UCODE_SIZE; i++) {
3926 WREG32(RLC_UCODE_ADDR, i);
3927 WREG32(RLC_UCODE_DATA, be32_to_cpup(fw_data++));
3928 }
3929 }
3930 WREG32(RLC_UCODE_ADDR, 0);
3931
3932 r600_rlc_start(rdev);
3933
3934 return 0;
3935 }
3936
3937 static void r600_enable_interrupts(struct radeon_device *rdev)
3938 {
3939 u32 ih_cntl = RREG32(IH_CNTL);
3940 u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
3941
3942 ih_cntl |= ENABLE_INTR;
3943 ih_rb_cntl |= IH_RB_ENABLE;
3944 WREG32(IH_CNTL, ih_cntl);
3945 WREG32(IH_RB_CNTL, ih_rb_cntl);
3946 rdev->ih.enabled = true;
3947 }
3948
3949 void r600_disable_interrupts(struct radeon_device *rdev)
3950 {
3951 u32 ih_rb_cntl = RREG32(IH_RB_CNTL);
3952 u32 ih_cntl = RREG32(IH_CNTL);
3953
3954 ih_rb_cntl &= ~IH_RB_ENABLE;
3955 ih_cntl &= ~ENABLE_INTR;
3956 WREG32(IH_RB_CNTL, ih_rb_cntl);
3957 WREG32(IH_CNTL, ih_cntl);
3958 /* set rptr, wptr to 0 */
3959 WREG32(IH_RB_RPTR, 0);
3960 WREG32(IH_RB_WPTR, 0);
3961 rdev->ih.enabled = false;
3962 rdev->ih.rptr = 0;
3963 }
3964
3965 static void r600_disable_interrupt_state(struct radeon_device *rdev)
3966 {
3967 u32 tmp;
3968
3969 WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
3970 tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
3971 WREG32(DMA_CNTL, tmp);
3972 WREG32(GRBM_INT_CNTL, 0);
3973 WREG32(DxMODE_INT_MASK, 0);
3974 WREG32(D1GRPH_INTERRUPT_CONTROL, 0);
3975 WREG32(D2GRPH_INTERRUPT_CONTROL, 0);
3976 if (ASIC_IS_DCE3(rdev)) {
3977 WREG32(DCE3_DACA_AUTODETECT_INT_CONTROL, 0);
3978 WREG32(DCE3_DACB_AUTODETECT_INT_CONTROL, 0);
3979 tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3980 WREG32(DC_HPD1_INT_CONTROL, tmp);
3981 tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3982 WREG32(DC_HPD2_INT_CONTROL, tmp);
3983 tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3984 WREG32(DC_HPD3_INT_CONTROL, tmp);
3985 tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3986 WREG32(DC_HPD4_INT_CONTROL, tmp);
3987 if (ASIC_IS_DCE32(rdev)) {
3988 tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3989 WREG32(DC_HPD5_INT_CONTROL, tmp);
3990 tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
3991 WREG32(DC_HPD6_INT_CONTROL, tmp);
3992 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3993 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp);
3994 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3995 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp);
3996 } else {
3997 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
3998 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
3999 tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
4000 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp);
4001 }
4002 } else {
4003 WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
4004 WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
4005 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
4006 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
4007 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
4008 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
4009 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & DC_HOT_PLUG_DETECTx_INT_POLARITY;
4010 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
4011 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
4012 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
4013 tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
4014 WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp);
4015 }
4016 }
4017
4018 int r600_irq_init(struct radeon_device *rdev)
4019 {
4020 int ret = 0;
4021 int rb_bufsz;
4022 u32 interrupt_cntl, ih_cntl, ih_rb_cntl;
4023
4024 /* allocate ring */
4025 ret = r600_ih_ring_alloc(rdev);
4026 if (ret)
4027 return ret;
4028
4029 /* disable irqs */
4030 r600_disable_interrupts(rdev);
4031
4032 /* init rlc */
4033 if (rdev->family >= CHIP_CEDAR)
4034 ret = evergreen_rlc_resume(rdev);
4035 else
4036 ret = r600_rlc_resume(rdev);
4037 if (ret) {
4038 r600_ih_ring_fini(rdev);
4039 return ret;
4040 }
4041
4042 /* setup interrupt control */
4043 /* set dummy read address to ring address */
4044 WREG32(INTERRUPT_CNTL2, rdev->ih.gpu_addr >> 8);
4045 interrupt_cntl = RREG32(INTERRUPT_CNTL);
4046 /* IH_DUMMY_RD_OVERRIDE=0 - dummy read disabled with msi, enabled without msi
4047 * IH_DUMMY_RD_OVERRIDE=1 - dummy read controlled by IH_DUMMY_RD_EN
4048 */
4049 interrupt_cntl &= ~IH_DUMMY_RD_OVERRIDE;
4050 /* IH_REQ_NONSNOOP_EN=1 if ring is in non-cacheable memory, e.g., vram */
4051 interrupt_cntl &= ~IH_REQ_NONSNOOP_EN;
4052 WREG32(INTERRUPT_CNTL, interrupt_cntl);
4053
4054 WREG32(IH_RB_BASE, rdev->ih.gpu_addr >> 8);
4055 rb_bufsz = drm_order(rdev->ih.ring_size / 4);
4056
4057 ih_rb_cntl = (IH_WPTR_OVERFLOW_ENABLE |
4058 IH_WPTR_OVERFLOW_CLEAR |
4059 (rb_bufsz << 1));
4060
4061 if (rdev->wb.enabled)
4062 ih_rb_cntl |= IH_WPTR_WRITEBACK_ENABLE;
4063
4064 /* set the writeback address whether it's enabled or not */
4065 WREG32(IH_RB_WPTR_ADDR_LO, (rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFFFFFFFC);
4066 WREG32(IH_RB_WPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + R600_WB_IH_WPTR_OFFSET) & 0xFF);
4067
4068 WREG32(IH_RB_CNTL, ih_rb_cntl);
4069
4070 /* set rptr, wptr to 0 */
4071 WREG32(IH_RB_RPTR, 0);
4072 WREG32(IH_RB_WPTR, 0);
4073
4074 /* Default settings for IH_CNTL (disabled at first) */
4075 ih_cntl = MC_WRREQ_CREDIT(0x10) | MC_WR_CLEAN_CNT(0x10);
4076 /* RPTR_REARM only works if msi's are enabled */
4077 if (rdev->msi_enabled)
4078 ih_cntl |= RPTR_REARM;
4079 WREG32(IH_CNTL, ih_cntl);
4080
4081 /* force the active interrupt state to all disabled */
4082 if (rdev->family >= CHIP_CEDAR)
4083 evergreen_disable_interrupt_state(rdev);
4084 else
4085 r600_disable_interrupt_state(rdev);
4086
4087 /* at this point everything should be setup correctly to enable master */
4088 pci_set_master(rdev->pdev);
4089
4090 /* enable irqs */
4091 r600_enable_interrupts(rdev);
4092
4093 return ret;
4094 }
4095
4096 void r600_irq_suspend(struct radeon_device *rdev)
4097 {
4098 r600_irq_disable(rdev);
4099 r600_rlc_stop(rdev);
4100 }
4101
4102 void r600_irq_fini(struct radeon_device *rdev)
4103 {
4104 r600_irq_suspend(rdev);
4105 r600_ih_ring_fini(rdev);
4106 }
4107
4108 int r600_irq_set(struct radeon_device *rdev)
4109 {
4110 u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
4111 u32 mode_int = 0;
4112 u32 hpd1, hpd2, hpd3, hpd4 = 0, hpd5 = 0, hpd6 = 0;
4113 u32 grbm_int_cntl = 0;
4114 u32 hdmi0, hdmi1;
4115 u32 d1grph = 0, d2grph = 0;
4116 u32 dma_cntl;
4117 u32 thermal_int = 0;
4118
4119 if (!rdev->irq.installed) {
4120 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
4121 return -EINVAL;
4122 }
4123 /* don't enable anything if the ih is disabled */
4124 if (!rdev->ih.enabled) {
4125 r600_disable_interrupts(rdev);
4126 /* force the active interrupt state to all disabled */
4127 r600_disable_interrupt_state(rdev);
4128 return 0;
4129 }
4130
4131 if (ASIC_IS_DCE3(rdev)) {
4132 hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
4133 hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
4134 hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
4135 hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
4136 if (ASIC_IS_DCE32(rdev)) {
4137 hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
4138 hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
4139 hdmi0 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
4140 hdmi1 = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
4141 } else {
4142 hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
4143 hdmi1 = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
4144 }
4145 } else {
4146 hpd1 = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL) & ~DC_HPDx_INT_EN;
4147 hpd2 = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL) & ~DC_HPDx_INT_EN;
4148 hpd3 = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL) & ~DC_HPDx_INT_EN;
4149 hdmi0 = RREG32(HDMI0_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
4150 hdmi1 = RREG32(HDMI1_AUDIO_PACKET_CONTROL) & ~HDMI0_AZ_FORMAT_WTRIG_MASK;
4151 }
4152
4153 dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
4154
4155 if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) {
4156 thermal_int = RREG32(CG_THERMAL_INT) &
4157 ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
4158 } else if (rdev->family >= CHIP_RV770) {
4159 thermal_int = RREG32(RV770_CG_THERMAL_INT) &
4160 ~(THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW);
4161 }
4162 if (rdev->irq.dpm_thermal) {
4163 DRM_DEBUG("dpm thermal\n");
4164 thermal_int |= THERM_INT_MASK_HIGH | THERM_INT_MASK_LOW;
4165 }
4166
4167 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
4168 DRM_DEBUG("r600_irq_set: sw int\n");
4169 cp_int_cntl |= RB_INT_ENABLE;
4170 cp_int_cntl |= TIME_STAMP_INT_ENABLE;
4171 }
4172
4173 if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
4174 DRM_DEBUG("r600_irq_set: sw int dma\n");
4175 dma_cntl |= TRAP_ENABLE;
4176 }
4177
4178 if (rdev->irq.crtc_vblank_int[0] ||
4179 atomic_read(&rdev->irq.pflip[0])) {
4180 DRM_DEBUG("r600_irq_set: vblank 0\n");
4181 mode_int |= D1MODE_VBLANK_INT_MASK;
4182 }
4183 if (rdev->irq.crtc_vblank_int[1] ||
4184 atomic_read(&rdev->irq.pflip[1])) {
4185 DRM_DEBUG("r600_irq_set: vblank 1\n");
4186 mode_int |= D2MODE_VBLANK_INT_MASK;
4187 }
4188 if (rdev->irq.hpd[0]) {
4189 DRM_DEBUG("r600_irq_set: hpd 1\n");
4190 hpd1 |= DC_HPDx_INT_EN;
4191 }
4192 if (rdev->irq.hpd[1]) {
4193 DRM_DEBUG("r600_irq_set: hpd 2\n");
4194 hpd2 |= DC_HPDx_INT_EN;
4195 }
4196 if (rdev->irq.hpd[2]) {
4197 DRM_DEBUG("r600_irq_set: hpd 3\n");
4198 hpd3 |= DC_HPDx_INT_EN;
4199 }
4200 if (rdev->irq.hpd[3]) {
4201 DRM_DEBUG("r600_irq_set: hpd 4\n");
4202 hpd4 |= DC_HPDx_INT_EN;
4203 }
4204 if (rdev->irq.hpd[4]) {
4205 DRM_DEBUG("r600_irq_set: hpd 5\n");
4206 hpd5 |= DC_HPDx_INT_EN;
4207 }
4208 if (rdev->irq.hpd[5]) {
4209 DRM_DEBUG("r600_irq_set: hpd 6\n");
4210 hpd6 |= DC_HPDx_INT_EN;
4211 }
4212 if (rdev->irq.afmt[0]) {
4213 DRM_DEBUG("r600_irq_set: hdmi 0\n");
4214 hdmi0 |= HDMI0_AZ_FORMAT_WTRIG_MASK;
4215 }
4216 if (rdev->irq.afmt[1]) {
4217 DRM_DEBUG("r600_irq_set: hdmi 0\n");
4218 hdmi1 |= HDMI0_AZ_FORMAT_WTRIG_MASK;
4219 }
4220
4221 WREG32(CP_INT_CNTL, cp_int_cntl);
4222 WREG32(DMA_CNTL, dma_cntl);
4223 WREG32(DxMODE_INT_MASK, mode_int);
4224 WREG32(D1GRPH_INTERRUPT_CONTROL, d1grph);
4225 WREG32(D2GRPH_INTERRUPT_CONTROL, d2grph);
4226 WREG32(GRBM_INT_CNTL, grbm_int_cntl);
4227 if (ASIC_IS_DCE3(rdev)) {
4228 WREG32(DC_HPD1_INT_CONTROL, hpd1);
4229 WREG32(DC_HPD2_INT_CONTROL, hpd2);
4230 WREG32(DC_HPD3_INT_CONTROL, hpd3);
4231 WREG32(DC_HPD4_INT_CONTROL, hpd4);
4232 if (ASIC_IS_DCE32(rdev)) {
4233 WREG32(DC_HPD5_INT_CONTROL, hpd5);
4234 WREG32(DC_HPD6_INT_CONTROL, hpd6);
4235 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, hdmi0);
4236 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, hdmi1);
4237 } else {
4238 WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
4239 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, hdmi1);
4240 }
4241 } else {
4242 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, hpd1);
4243 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, hpd2);
4244 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, hpd3);
4245 WREG32(HDMI0_AUDIO_PACKET_CONTROL, hdmi0);
4246 WREG32(HDMI1_AUDIO_PACKET_CONTROL, hdmi1);
4247 }
4248 if ((rdev->family > CHIP_R600) && (rdev->family < CHIP_RV770)) {
4249 WREG32(CG_THERMAL_INT, thermal_int);
4250 } else if (rdev->family >= CHIP_RV770) {
4251 WREG32(RV770_CG_THERMAL_INT, thermal_int);
4252 }
4253
4254 return 0;
4255 }
4256
4257 static void r600_irq_ack(struct radeon_device *rdev)
4258 {
4259 u32 tmp;
4260
4261 if (ASIC_IS_DCE3(rdev)) {
4262 rdev->irq.stat_regs.r600.disp_int = RREG32(DCE3_DISP_INTERRUPT_STATUS);
4263 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE);
4264 rdev->irq.stat_regs.r600.disp_int_cont2 = RREG32(DCE3_DISP_INTERRUPT_STATUS_CONTINUE2);
4265 if (ASIC_IS_DCE32(rdev)) {
4266 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET0);
4267 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(AFMT_STATUS + DCE3_HDMI_OFFSET1);
4268 } else {
4269 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS);
4270 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(DCE3_HDMI1_STATUS);
4271 }
4272 } else {
4273 rdev->irq.stat_regs.r600.disp_int = RREG32(DISP_INTERRUPT_STATUS);
4274 rdev->irq.stat_regs.r600.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
4275 rdev->irq.stat_regs.r600.disp_int_cont2 = 0;
4276 rdev->irq.stat_regs.r600.hdmi0_status = RREG32(HDMI0_STATUS);
4277 rdev->irq.stat_regs.r600.hdmi1_status = RREG32(HDMI1_STATUS);
4278 }
4279 rdev->irq.stat_regs.r600.d1grph_int = RREG32(D1GRPH_INTERRUPT_STATUS);
4280 rdev->irq.stat_regs.r600.d2grph_int = RREG32(D2GRPH_INTERRUPT_STATUS);
4281
4282 if (rdev->irq.stat_regs.r600.d1grph_int & DxGRPH_PFLIP_INT_OCCURRED)
4283 WREG32(D1GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
4284 if (rdev->irq.stat_regs.r600.d2grph_int & DxGRPH_PFLIP_INT_OCCURRED)
4285 WREG32(D2GRPH_INTERRUPT_STATUS, DxGRPH_PFLIP_INT_CLEAR);
4286 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT)
4287 WREG32(D1MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
4288 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT)
4289 WREG32(D1MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
4290 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT)
4291 WREG32(D2MODE_VBLANK_STATUS, DxMODE_VBLANK_ACK);
4292 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT)
4293 WREG32(D2MODE_VLINE_STATUS, DxMODE_VLINE_ACK);
4294 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
4295 if (ASIC_IS_DCE3(rdev)) {
4296 tmp = RREG32(DC_HPD1_INT_CONTROL);
4297 tmp |= DC_HPDx_INT_ACK;
4298 WREG32(DC_HPD1_INT_CONTROL, tmp);
4299 } else {
4300 tmp = RREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL);
4301 tmp |= DC_HPDx_INT_ACK;
4302 WREG32(DC_HOT_PLUG_DETECT1_INT_CONTROL, tmp);
4303 }
4304 }
4305 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
4306 if (ASIC_IS_DCE3(rdev)) {
4307 tmp = RREG32(DC_HPD2_INT_CONTROL);
4308 tmp |= DC_HPDx_INT_ACK;
4309 WREG32(DC_HPD2_INT_CONTROL, tmp);
4310 } else {
4311 tmp = RREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL);
4312 tmp |= DC_HPDx_INT_ACK;
4313 WREG32(DC_HOT_PLUG_DETECT2_INT_CONTROL, tmp);
4314 }
4315 }
4316 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
4317 if (ASIC_IS_DCE3(rdev)) {
4318 tmp = RREG32(DC_HPD3_INT_CONTROL);
4319 tmp |= DC_HPDx_INT_ACK;
4320 WREG32(DC_HPD3_INT_CONTROL, tmp);
4321 } else {
4322 tmp = RREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL);
4323 tmp |= DC_HPDx_INT_ACK;
4324 WREG32(DC_HOT_PLUG_DETECT3_INT_CONTROL, tmp);
4325 }
4326 }
4327 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
4328 tmp = RREG32(DC_HPD4_INT_CONTROL);
4329 tmp |= DC_HPDx_INT_ACK;
4330 WREG32(DC_HPD4_INT_CONTROL, tmp);
4331 }
4332 if (ASIC_IS_DCE32(rdev)) {
4333 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
4334 tmp = RREG32(DC_HPD5_INT_CONTROL);
4335 tmp |= DC_HPDx_INT_ACK;
4336 WREG32(DC_HPD5_INT_CONTROL, tmp);
4337 }
4338 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
4339 tmp = RREG32(DC_HPD5_INT_CONTROL);
4340 tmp |= DC_HPDx_INT_ACK;
4341 WREG32(DC_HPD6_INT_CONTROL, tmp);
4342 }
4343 if (rdev->irq.stat_regs.r600.hdmi0_status & AFMT_AZ_FORMAT_WTRIG) {
4344 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0);
4345 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
4346 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET0, tmp);
4347 }
4348 if (rdev->irq.stat_regs.r600.hdmi1_status & AFMT_AZ_FORMAT_WTRIG) {
4349 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1);
4350 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
4351 WREG32(AFMT_AUDIO_PACKET_CONTROL + DCE3_HDMI_OFFSET1, tmp);
4352 }
4353 } else {
4354 if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) {
4355 tmp = RREG32(HDMI0_AUDIO_PACKET_CONTROL);
4356 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
4357 WREG32(HDMI0_AUDIO_PACKET_CONTROL, tmp);
4358 }
4359 if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) {
4360 if (ASIC_IS_DCE3(rdev)) {
4361 tmp = RREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL);
4362 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
4363 WREG32(DCE3_HDMI1_AUDIO_PACKET_CONTROL, tmp);
4364 } else {
4365 tmp = RREG32(HDMI1_AUDIO_PACKET_CONTROL);
4366 tmp |= HDMI0_AZ_FORMAT_WTRIG_ACK;
4367 WREG32(HDMI1_AUDIO_PACKET_CONTROL, tmp);
4368 }
4369 }
4370 }
4371 }
4372
4373 void r600_irq_disable(struct radeon_device *rdev)
4374 {
4375 r600_disable_interrupts(rdev);
4376 /* Wait and acknowledge irq */
4377 mdelay(1);
4378 r600_irq_ack(rdev);
4379 r600_disable_interrupt_state(rdev);
4380 }
4381
4382 static u32 r600_get_ih_wptr(struct radeon_device *rdev)
4383 {
4384 u32 wptr, tmp;
4385
4386 if (rdev->wb.enabled)
4387 wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
4388 else
4389 wptr = RREG32(IH_RB_WPTR);
4390
4391 if (wptr & RB_OVERFLOW) {
4392 /* When a ring buffer overflow happen start parsing interrupt
4393 * from the last not overwritten vector (wptr + 16). Hopefully
4394 * this should allow us to catchup.
4395 */
4396 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
4397 wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
4398 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
4399 tmp = RREG32(IH_RB_CNTL);
4400 tmp |= IH_WPTR_OVERFLOW_CLEAR;
4401 WREG32(IH_RB_CNTL, tmp);
4402 }
4403 return (wptr & rdev->ih.ptr_mask);
4404 }
4405
4406 /* r600 IV Ring
4407 * Each IV ring entry is 128 bits:
4408 * [7:0] - interrupt source id
4409 * [31:8] - reserved
4410 * [59:32] - interrupt source data
4411 * [127:60] - reserved
4412 *
4413 * The basic interrupt vector entries
4414 * are decoded as follows:
4415 * src_id src_data description
4416 * 1 0 D1 Vblank
4417 * 1 1 D1 Vline
4418 * 5 0 D2 Vblank
4419 * 5 1 D2 Vline
4420 * 19 0 FP Hot plug detection A
4421 * 19 1 FP Hot plug detection B
4422 * 19 2 DAC A auto-detection
4423 * 19 3 DAC B auto-detection
4424 * 21 4 HDMI block A
4425 * 21 5 HDMI block B
4426 * 176 - CP_INT RB
4427 * 177 - CP_INT IB1
4428 * 178 - CP_INT IB2
4429 * 181 - EOP Interrupt
4430 * 233 - GUI Idle
4431 *
4432 * Note, these are based on r600 and may need to be
4433 * adjusted or added to on newer asics
4434 */
4435
4436 int r600_irq_process(struct radeon_device *rdev)
4437 {
4438 u32 wptr;
4439 u32 rptr;
4440 u32 src_id, src_data;
4441 u32 ring_index;
4442 bool queue_hotplug = false;
4443 bool queue_hdmi = false;
4444 bool queue_thermal = false;
4445
4446 if (!rdev->ih.enabled || rdev->shutdown)
4447 return IRQ_NONE;
4448
4449 /* No MSIs, need a dummy read to flush PCI DMAs */
4450 if (!rdev->msi_enabled)
4451 RREG32(IH_RB_WPTR);
4452
4453 wptr = r600_get_ih_wptr(rdev);
4454
4455 restart_ih:
4456 /* is somebody else already processing irqs? */
4457 if (atomic_xchg(&rdev->ih.lock, 1))
4458 return IRQ_NONE;
4459
4460 rptr = rdev->ih.rptr;
4461 DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
4462
4463 /* Order reading of wptr vs. reading of IH ring data */
4464 rmb();
4465
4466 /* display interrupts */
4467 r600_irq_ack(rdev);
4468
4469 while (rptr != wptr) {
4470 /* wptr/rptr are in bytes! */
4471 ring_index = rptr / 4;
4472 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
4473 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
4474
4475 switch (src_id) {
4476 case 1: /* D1 vblank/vline */
4477 switch (src_data) {
4478 case 0: /* D1 vblank */
4479 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VBLANK_INTERRUPT) {
4480 if (rdev->irq.crtc_vblank_int[0]) {
4481 drm_handle_vblank(rdev->ddev, 0);
4482 rdev->pm.vblank_sync = true;
4483 wake_up(&rdev->irq.vblank_queue);
4484 }
4485 if (atomic_read(&rdev->irq.pflip[0]))
4486 radeon_crtc_handle_flip(rdev, 0);
4487 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
4488 DRM_DEBUG("IH: D1 vblank\n");
4489 }
4490 break;
4491 case 1: /* D1 vline */
4492 if (rdev->irq.stat_regs.r600.disp_int & LB_D1_VLINE_INTERRUPT) {
4493 rdev->irq.stat_regs.r600.disp_int &= ~LB_D1_VLINE_INTERRUPT;
4494 DRM_DEBUG("IH: D1 vline\n");
4495 }
4496 break;
4497 default:
4498 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4499 break;
4500 }
4501 break;
4502 case 5: /* D2 vblank/vline */
4503 switch (src_data) {
4504 case 0: /* D2 vblank */
4505 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VBLANK_INTERRUPT) {
4506 if (rdev->irq.crtc_vblank_int[1]) {
4507 drm_handle_vblank(rdev->ddev, 1);
4508 rdev->pm.vblank_sync = true;
4509 wake_up(&rdev->irq.vblank_queue);
4510 }
4511 if (atomic_read(&rdev->irq.pflip[1]))
4512 radeon_crtc_handle_flip(rdev, 1);
4513 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VBLANK_INTERRUPT;
4514 DRM_DEBUG("IH: D2 vblank\n");
4515 }
4516 break;
4517 case 1: /* D1 vline */
4518 if (rdev->irq.stat_regs.r600.disp_int & LB_D2_VLINE_INTERRUPT) {
4519 rdev->irq.stat_regs.r600.disp_int &= ~LB_D2_VLINE_INTERRUPT;
4520 DRM_DEBUG("IH: D2 vline\n");
4521 }
4522 break;
4523 default:
4524 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4525 break;
4526 }
4527 break;
4528 case 19: /* HPD/DAC hotplug */
4529 switch (src_data) {
4530 case 0:
4531 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD1_INTERRUPT) {
4532 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD1_INTERRUPT;
4533 queue_hotplug = true;
4534 DRM_DEBUG("IH: HPD1\n");
4535 }
4536 break;
4537 case 1:
4538 if (rdev->irq.stat_regs.r600.disp_int & DC_HPD2_INTERRUPT) {
4539 rdev->irq.stat_regs.r600.disp_int &= ~DC_HPD2_INTERRUPT;
4540 queue_hotplug = true;
4541 DRM_DEBUG("IH: HPD2\n");
4542 }
4543 break;
4544 case 4:
4545 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD3_INTERRUPT) {
4546 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD3_INTERRUPT;
4547 queue_hotplug = true;
4548 DRM_DEBUG("IH: HPD3\n");
4549 }
4550 break;
4551 case 5:
4552 if (rdev->irq.stat_regs.r600.disp_int_cont & DC_HPD4_INTERRUPT) {
4553 rdev->irq.stat_regs.r600.disp_int_cont &= ~DC_HPD4_INTERRUPT;
4554 queue_hotplug = true;
4555 DRM_DEBUG("IH: HPD4\n");
4556 }
4557 break;
4558 case 10:
4559 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD5_INTERRUPT) {
4560 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD5_INTERRUPT;
4561 queue_hotplug = true;
4562 DRM_DEBUG("IH: HPD5\n");
4563 }
4564 break;
4565 case 12:
4566 if (rdev->irq.stat_regs.r600.disp_int_cont2 & DC_HPD6_INTERRUPT) {
4567 rdev->irq.stat_regs.r600.disp_int_cont2 &= ~DC_HPD6_INTERRUPT;
4568 queue_hotplug = true;
4569 DRM_DEBUG("IH: HPD6\n");
4570 }
4571 break;
4572 default:
4573 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4574 break;
4575 }
4576 break;
4577 case 21: /* hdmi */
4578 switch (src_data) {
4579 case 4:
4580 if (rdev->irq.stat_regs.r600.hdmi0_status & HDMI0_AZ_FORMAT_WTRIG) {
4581 rdev->irq.stat_regs.r600.hdmi0_status &= ~HDMI0_AZ_FORMAT_WTRIG;
4582 queue_hdmi = true;
4583 DRM_DEBUG("IH: HDMI0\n");
4584 }
4585 break;
4586 case 5:
4587 if (rdev->irq.stat_regs.r600.hdmi1_status & HDMI0_AZ_FORMAT_WTRIG) {
4588 rdev->irq.stat_regs.r600.hdmi1_status &= ~HDMI0_AZ_FORMAT_WTRIG;
4589 queue_hdmi = true;
4590 DRM_DEBUG("IH: HDMI1\n");
4591 }
4592 break;
4593 default:
4594 DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data);
4595 break;
4596 }
4597 break;
4598 case 176: /* CP_INT in ring buffer */
4599 case 177: /* CP_INT in IB1 */
4600 case 178: /* CP_INT in IB2 */
4601 DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
4602 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4603 break;
4604 case 181: /* CP EOP event */
4605 DRM_DEBUG("IH: CP EOP\n");
4606 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
4607 break;
4608 case 224: /* DMA trap event */
4609 DRM_DEBUG("IH: DMA trap\n");
4610 radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
4611 break;
4612 case 230: /* thermal low to high */
4613 DRM_DEBUG("IH: thermal low to high\n");
4614 rdev->pm.dpm.thermal.high_to_low = false;
4615 queue_thermal = true;
4616 break;
4617 case 231: /* thermal high to low */
4618 DRM_DEBUG("IH: thermal high to low\n");
4619 rdev->pm.dpm.thermal.high_to_low = true;
4620 queue_thermal = true;
4621 break;
4622 case 233: /* GUI IDLE */
4623 DRM_DEBUG("IH: GUI idle\n");
4624 break;
4625 default:
4626 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
4627 break;
4628 }
4629
4630 /* wptr/rptr are in bytes! */
4631 rptr += 16;
4632 rptr &= rdev->ih.ptr_mask;
4633 }
4634 if (queue_hotplug)
4635 schedule_work(&rdev->hotplug_work);
4636 if (queue_hdmi)
4637 schedule_work(&rdev->audio_work);
4638 if (queue_thermal && rdev->pm.dpm_enabled)
4639 schedule_work(&rdev->pm.dpm.thermal.work);
4640 rdev->ih.rptr = rptr;
4641 WREG32(IH_RB_RPTR, rdev->ih.rptr);
4642 atomic_set(&rdev->ih.lock, 0);
4643
4644 /* make sure wptr hasn't changed while processing */
4645 wptr = r600_get_ih_wptr(rdev);
4646 if (wptr != rptr)
4647 goto restart_ih;
4648
4649 return IRQ_HANDLED;
4650 }
4651
4652 /*
4653 * Debugfs info
4654 */
4655 #if defined(CONFIG_DEBUG_FS)
4656
4657 static int r600_debugfs_mc_info(struct seq_file *m, void *data)
4658 {
4659 struct drm_info_node *node = (struct drm_info_node *) m->private;
4660 struct drm_device *dev = node->minor->dev;
4661 struct radeon_device *rdev = dev->dev_private;
4662
4663 DREG32_SYS(m, rdev, R_000E50_SRBM_STATUS);
4664 DREG32_SYS(m, rdev, VM_L2_STATUS);
4665 return 0;
4666 }
4667
4668 static struct drm_info_list r600_mc_info_list[] = {
4669 {"r600_mc_info", r600_debugfs_mc_info, 0, NULL},
4670 };
4671 #endif
4672
4673 int r600_debugfs_mc_info_init(struct radeon_device *rdev)
4674 {
4675 #if defined(CONFIG_DEBUG_FS)
4676 return radeon_debugfs_add_files(rdev, r600_mc_info_list, ARRAY_SIZE(r600_mc_info_list));
4677 #else
4678 return 0;
4679 #endif
4680 }
4681
4682 /**
4683 * r600_ioctl_wait_idle - flush host path cache on wait idle ioctl
4684 * rdev: radeon device structure
4685 * bo: buffer object struct which userspace is waiting for idle
4686 *
4687 * Some R6XX/R7XX doesn't seems to take into account HDP flush performed
4688 * through ring buffer, this leads to corruption in rendering, see
4689 * http://bugzilla.kernel.org/show_bug.cgi?id=15186 to avoid this we
4690 * directly perform HDP flush by writing register through MMIO.
4691 */
4692 void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo)
4693 {
4694 /* r7xx hw bug. write to HDP_DEBUG1 followed by fb read
4695 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL.
4696 * This seems to cause problems on some AGP cards. Just use the old
4697 * method for them.
4698 */
4699 if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
4700 rdev->vram_scratch.ptr && !(rdev->flags & RADEON_IS_AGP)) {
4701 void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
4702 u32 tmp;
4703
4704 WREG32(HDP_DEBUG1, 0);
4705 tmp = readl((void __iomem *)ptr);
4706 } else
4707 WREG32(R_005480_HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
4708 }
4709
4710 void r600_set_pcie_lanes(struct radeon_device *rdev, int lanes)
4711 {
4712 u32 link_width_cntl, mask;
4713
4714 if (rdev->flags & RADEON_IS_IGP)
4715 return;
4716
4717 if (!(rdev->flags & RADEON_IS_PCIE))
4718 return;
4719
4720 /* x2 cards have a special sequence */
4721 if (ASIC_IS_X2(rdev))
4722 return;
4723
4724 radeon_gui_idle(rdev);
4725
4726 switch (lanes) {
4727 case 0:
4728 mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
4729 break;
4730 case 1:
4731 mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
4732 break;
4733 case 2:
4734 mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
4735 break;
4736 case 4:
4737 mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
4738 break;
4739 case 8:
4740 mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
4741 break;
4742 case 12:
4743 /* not actually supported */
4744 mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
4745 break;
4746 case 16:
4747 mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
4748 break;
4749 default:
4750 DRM_ERROR("invalid pcie lane request: %d\n", lanes);
4751 return;
4752 }
4753
4754 link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
4755 link_width_cntl &= ~RADEON_PCIE_LC_LINK_WIDTH_MASK;
4756 link_width_cntl |= mask << RADEON_PCIE_LC_LINK_WIDTH_SHIFT;
4757 link_width_cntl |= (RADEON_PCIE_LC_RECONFIG_NOW |
4758 R600_PCIE_LC_RECONFIG_ARC_MISSING_ESCAPE);
4759
4760 WREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4761 }
4762
4763 int r600_get_pcie_lanes(struct radeon_device *rdev)
4764 {
4765 u32 link_width_cntl;
4766
4767 if (rdev->flags & RADEON_IS_IGP)
4768 return 0;
4769
4770 if (!(rdev->flags & RADEON_IS_PCIE))
4771 return 0;
4772
4773 /* x2 cards have a special sequence */
4774 if (ASIC_IS_X2(rdev))
4775 return 0;
4776
4777 radeon_gui_idle(rdev);
4778
4779 link_width_cntl = RREG32_PCIE_PORT(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
4780
4781 switch ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) >> RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT) {
4782 case RADEON_PCIE_LC_LINK_WIDTH_X1:
4783 return 1;
4784 case RADEON_PCIE_LC_LINK_WIDTH_X2:
4785 return 2;
4786 case RADEON_PCIE_LC_LINK_WIDTH_X4:
4787 return 4;
4788 case RADEON_PCIE_LC_LINK_WIDTH_X8:
4789 return 8;
4790 case RADEON_PCIE_LC_LINK_WIDTH_X12:
4791 /* not actually supported */
4792 return 12;
4793 case RADEON_PCIE_LC_LINK_WIDTH_X0:
4794 case RADEON_PCIE_LC_LINK_WIDTH_X16:
4795 default:
4796 return 16;
4797 }
4798 }
4799
4800 static void r600_pcie_gen2_enable(struct radeon_device *rdev)
4801 {
4802 u32 link_width_cntl, lanes, speed_cntl, training_cntl, tmp;
4803 u16 link_cntl2;
4804
4805 if (radeon_pcie_gen2 == 0)
4806 return;
4807
4808 if (rdev->flags & RADEON_IS_IGP)
4809 return;
4810
4811 if (!(rdev->flags & RADEON_IS_PCIE))
4812 return;
4813
4814 /* x2 cards have a special sequence */
4815 if (ASIC_IS_X2(rdev))
4816 return;
4817
4818 /* only RV6xx+ chips are supported */
4819 if (rdev->family <= CHIP_R600)
4820 return;
4821
4822 if ((rdev->pdev->bus->max_bus_speed != PCIE_SPEED_5_0GT) &&
4823 (rdev->pdev->bus->max_bus_speed != PCIE_SPEED_8_0GT))
4824 return;
4825
4826 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4827 if (speed_cntl & LC_CURRENT_DATA_RATE) {
4828 DRM_INFO("PCIE gen 2 link speeds already enabled\n");
4829 return;
4830 }
4831
4832 DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
4833
4834 /* 55 nm r6xx asics */
4835 if ((rdev->family == CHIP_RV670) ||
4836 (rdev->family == CHIP_RV620) ||
4837 (rdev->family == CHIP_RV635)) {
4838 /* advertise upconfig capability */
4839 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
4840 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
4841 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4842 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
4843 if (link_width_cntl & LC_RENEGOTIATION_SUPPORT) {
4844 lanes = (link_width_cntl & LC_LINK_WIDTH_RD_MASK) >> LC_LINK_WIDTH_RD_SHIFT;
4845 link_width_cntl &= ~(LC_LINK_WIDTH_MASK |
4846 LC_RECONFIG_ARC_MISSING_ESCAPE);
4847 link_width_cntl |= lanes | LC_RECONFIG_NOW | LC_RENEGOTIATE_EN;
4848 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4849 } else {
4850 link_width_cntl |= LC_UPCONFIGURE_DIS;
4851 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4852 }
4853 }
4854
4855 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4856 if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) &&
4857 (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
4858
4859 /* 55 nm r6xx asics */
4860 if ((rdev->family == CHIP_RV670) ||
4861 (rdev->family == CHIP_RV620) ||
4862 (rdev->family == CHIP_RV635)) {
4863 WREG32(MM_CFGREGS_CNTL, 0x8);
4864 link_cntl2 = RREG32(0x4088);
4865 WREG32(MM_CFGREGS_CNTL, 0);
4866 /* not supported yet */
4867 if (link_cntl2 & SELECTABLE_DEEMPHASIS)
4868 return;
4869 }
4870
4871 speed_cntl &= ~LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_MASK;
4872 speed_cntl |= (0x3 << LC_SPEED_CHANGE_ATTEMPTS_ALLOWED_SHIFT);
4873 speed_cntl &= ~LC_VOLTAGE_TIMER_SEL_MASK;
4874 speed_cntl &= ~LC_FORCE_DIS_HW_SPEED_CHANGE;
4875 speed_cntl |= LC_FORCE_EN_HW_SPEED_CHANGE;
4876 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
4877
4878 tmp = RREG32(0x541c);
4879 WREG32(0x541c, tmp | 0x8);
4880 WREG32(MM_CFGREGS_CNTL, MM_WR_TO_CFG_EN);
4881 link_cntl2 = RREG16(0x4088);
4882 link_cntl2 &= ~TARGET_LINK_SPEED_MASK;
4883 link_cntl2 |= 0x2;
4884 WREG16(0x4088, link_cntl2);
4885 WREG32(MM_CFGREGS_CNTL, 0);
4886
4887 if ((rdev->family == CHIP_RV670) ||
4888 (rdev->family == CHIP_RV620) ||
4889 (rdev->family == CHIP_RV635)) {
4890 training_cntl = RREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL);
4891 training_cntl &= ~LC_POINT_7_PLUS_EN;
4892 WREG32_PCIE_PORT(PCIE_LC_TRAINING_CNTL, training_cntl);
4893 } else {
4894 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4895 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
4896 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
4897 }
4898
4899 speed_cntl = RREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL);
4900 speed_cntl |= LC_GEN2_EN_STRAP;
4901 WREG32_PCIE_PORT(PCIE_LC_SPEED_CNTL, speed_cntl);
4902
4903 } else {
4904 link_width_cntl = RREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL);
4905 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
4906 if (1)
4907 link_width_cntl |= LC_UPCONFIGURE_DIS;
4908 else
4909 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
4910 WREG32_PCIE_PORT(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
4911 }
4912 }
4913
4914 /**
4915 * r600_get_gpu_clock_counter - return GPU clock counter snapshot
4916 *
4917 * @rdev: radeon_device pointer
4918 *
4919 * Fetches a GPU clock counter snapshot (R6xx-cayman).
4920 * Returns the 64 bit clock counter snapshot.
4921 */
4922 uint64_t r600_get_gpu_clock_counter(struct radeon_device *rdev)
4923 {
4924 uint64_t clock;
4925
4926 mutex_lock(&rdev->gpu_clock_mutex);
4927 WREG32(RLC_CAPTURE_GPU_CLOCK_COUNT, 1);
4928 clock = (uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_LSB) |
4929 ((uint64_t)RREG32(RLC_GPU_CLOCK_COUNT_MSB) << 32ULL);
4930 mutex_unlock(&rdev->gpu_clock_mutex);
4931 return clock;
4932 }
Linux kernel - Deliverables
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