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Merge remote branch 'nouveau/drm-nouveau-next' of /ssd/git/drm-nouveau-next into...
[deliverable/linux.git] / drivers / gpu / drm / radeon / evergreen.c
CommitLineData
bcc1c2a1
AD		 1/*
2 * Copyright 2010 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 * Authors: Alex Deucher
23 */
24#include <linux/firmware.h>
25#include <linux/platform_device.h>
5a0e3ad6 26#include <linux/slab.h>
bcc1c2a1
AD		 27#include "drmP.h"
28#include "radeon.h"
e6990375 29#include "radeon_asic.h"
bcc1c2a1 30#include "radeon_drm.h"
0fcdb61e 31#include "evergreend.h"
bcc1c2a1
AD		 32#include "atom.h"
33#include "avivod.h"
34#include "evergreen_reg.h"
2281a378 35#include "evergreen_blit_shaders.h"
bcc1c2a1 36
fe251e2f
AD		 37#define EVERGREEN_PFP_UCODE_SIZE 1120
38#define EVERGREEN_PM4_UCODE_SIZE 1376
39
bcc1c2a1
AD		 40static void evergreen_gpu_init(struct radeon_device *rdev);
41void evergreen_fini(struct radeon_device *rdev);
9e46a48d 42static void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
bcc1c2a1 43
6f34be50
AD		 44void evergreen_pre_page_flip(struct radeon_device *rdev, int crtc)
45{
46 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc];
47 u32 tmp;
48
49 /* make sure flip is at vb rather than hb */
50 tmp = RREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset);
51 tmp &= ~EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN;
52 WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp);
53
54 /* set pageflip to happen anywhere in vblank interval */
55 WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0);
56
57 /* enable the pflip int */
58 radeon_irq_kms_pflip_irq_get(rdev, crtc);
59}
60
61void evergreen_post_page_flip(struct radeon_device *rdev, int crtc)
62{
63 /* disable the pflip int */
64 radeon_irq_kms_pflip_irq_put(rdev, crtc);
65}
66
67u32 evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
68{
69 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
70 u32 tmp = RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset);
71
72 /* Lock the graphics update lock */
73 tmp |= EVERGREEN_GRPH_UPDATE_LOCK;
74 WREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
75
76 /* update the scanout addresses */
77 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
78 upper_32_bits(crtc_base));
79 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
80 (u32)crtc_base);
81
82 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
83 upper_32_bits(crtc_base));
84 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
85 (u32)crtc_base);
86
87 /* Wait for update_pending to go high. */
88 while (!(RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING));
89 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
90
91 /* Unlock the lock, so double-buffering can take place inside vblank */
92 tmp &= ~EVERGREEN_GRPH_UPDATE_LOCK;
93 WREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
94
95 /* Return current update_pending status: */
96 return RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING;
97}
98
21a8122a
AD		 99/* get temperature in millidegrees */
100u32 evergreen_get_temp(struct radeon_device *rdev)
101{
102 u32 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
103 ASIC_T_SHIFT;
104 u32 actual_temp = 0;
105
106 if ((temp >> 10) & 1)
107 actual_temp = 0;
108 else if ((temp >> 9) & 1)
109 actual_temp = 255;
110 else
111 actual_temp = (temp >> 1) & 0xff;
112
113 return actual_temp * 1000;
114}
115
e33df25f
AD		 116u32 sumo_get_temp(struct radeon_device *rdev)
117{
118 u32 temp = RREG32(CG_THERMAL_STATUS) & 0xff;
119 u32 actual_temp = (temp >> 1) & 0xff;
120
121 return actual_temp * 1000;
122}
123
49e02b73
AD		 124void evergreen_pm_misc(struct radeon_device *rdev)
125{
a081a9d6
RM		 126 int req_ps_idx = rdev->pm.requested_power_state_index;
127 int req_cm_idx = rdev->pm.requested_clock_mode_index;
128 struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
129 struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
49e02b73 130
4d60173f
AD		 131 if ((voltage->type == VOLTAGE_SW) && voltage->voltage) {
132 if (voltage->voltage != rdev->pm.current_vddc) {
133 radeon_atom_set_voltage(rdev, voltage->voltage);
134 rdev->pm.current_vddc = voltage->voltage;
0fcbe947 135 DRM_DEBUG("Setting: v: %d\n", voltage->voltage);
4d60173f
AD		 136 }
137 }
49e02b73
AD		 138}
139
140void evergreen_pm_prepare(struct radeon_device *rdev)
141{
142 struct drm_device *ddev = rdev->ddev;
143 struct drm_crtc *crtc;
144 struct radeon_crtc *radeon_crtc;
145 u32 tmp;
146
147 /* disable any active CRTCs */
148 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
149 radeon_crtc = to_radeon_crtc(crtc);
150 if (radeon_crtc->enabled) {
151 tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
152 tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
153 WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
154 }
155 }
156}
157
158void evergreen_pm_finish(struct radeon_device *rdev)
159{
160 struct drm_device *ddev = rdev->ddev;
161 struct drm_crtc *crtc;
162 struct radeon_crtc *radeon_crtc;
163 u32 tmp;
164
165 /* enable any active CRTCs */
166 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
167 radeon_crtc = to_radeon_crtc(crtc);
168 if (radeon_crtc->enabled) {
169 tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
170 tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
171 WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
172 }
173 }
174}
175
bcc1c2a1
AD		 176bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
177{
178 bool connected = false;
0ca2ab52
AD		 179
180 switch (hpd) {
181 case RADEON_HPD_1:
182 if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
183 connected = true;
184 break;
185 case RADEON_HPD_2:
186 if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
187 connected = true;
188 break;
189 case RADEON_HPD_3:
190 if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
191 connected = true;
192 break;
193 case RADEON_HPD_4:
194 if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
195 connected = true;
196 break;
197 case RADEON_HPD_5:
198 if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
199 connected = true;
200 break;
201 case RADEON_HPD_6:
202 if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
203 connected = true;
204 break;
205 default:
206 break;
207 }
208
bcc1c2a1
AD		 209 return connected;
210}
211
212void evergreen_hpd_set_polarity(struct radeon_device *rdev,
213 enum radeon_hpd_id hpd)
214{
0ca2ab52
AD		 215 u32 tmp;
216 bool connected = evergreen_hpd_sense(rdev, hpd);
217
218 switch (hpd) {
219 case RADEON_HPD_1:
220 tmp = RREG32(DC_HPD1_INT_CONTROL);
221 if (connected)
222 tmp &= ~DC_HPDx_INT_POLARITY;
223 else
224 tmp |= DC_HPDx_INT_POLARITY;
225 WREG32(DC_HPD1_INT_CONTROL, tmp);
226 break;
227 case RADEON_HPD_2:
228 tmp = RREG32(DC_HPD2_INT_CONTROL);
229 if (connected)
230 tmp &= ~DC_HPDx_INT_POLARITY;
231 else
232 tmp |= DC_HPDx_INT_POLARITY;
233 WREG32(DC_HPD2_INT_CONTROL, tmp);
234 break;
235 case RADEON_HPD_3:
236 tmp = RREG32(DC_HPD3_INT_CONTROL);
237 if (connected)
238 tmp &= ~DC_HPDx_INT_POLARITY;
239 else
240 tmp |= DC_HPDx_INT_POLARITY;
241 WREG32(DC_HPD3_INT_CONTROL, tmp);
242 break;
243 case RADEON_HPD_4:
244 tmp = RREG32(DC_HPD4_INT_CONTROL);
245 if (connected)
246 tmp &= ~DC_HPDx_INT_POLARITY;
247 else
248 tmp |= DC_HPDx_INT_POLARITY;
249 WREG32(DC_HPD4_INT_CONTROL, tmp);
250 break;
251 case RADEON_HPD_5:
252 tmp = RREG32(DC_HPD5_INT_CONTROL);
253 if (connected)
254 tmp &= ~DC_HPDx_INT_POLARITY;
255 else
256 tmp |= DC_HPDx_INT_POLARITY;
257 WREG32(DC_HPD5_INT_CONTROL, tmp);
258 break;
259 case RADEON_HPD_6:
260 tmp = RREG32(DC_HPD6_INT_CONTROL);
261 if (connected)
262 tmp &= ~DC_HPDx_INT_POLARITY;
263 else
264 tmp |= DC_HPDx_INT_POLARITY;
265 WREG32(DC_HPD6_INT_CONTROL, tmp);
266 break;
267 default:
268 break;
269 }
bcc1c2a1
AD		 270}
271
272void evergreen_hpd_init(struct radeon_device *rdev)
273{
0ca2ab52
AD		 274 struct drm_device *dev = rdev->ddev;
275 struct drm_connector *connector;
276 u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) |
277 DC_HPDx_RX_INT_TIMER(0xfa) | DC_HPDx_EN;
bcc1c2a1 278
0ca2ab52
AD		 279 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
280 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
281 switch (radeon_connector->hpd.hpd) {
282 case RADEON_HPD_1:
283 WREG32(DC_HPD1_CONTROL, tmp);
284 rdev->irq.hpd[0] = true;
285 break;
286 case RADEON_HPD_2:
287 WREG32(DC_HPD2_CONTROL, tmp);
288 rdev->irq.hpd[1] = true;
289 break;
290 case RADEON_HPD_3:
291 WREG32(DC_HPD3_CONTROL, tmp);
292 rdev->irq.hpd[2] = true;
293 break;
294 case RADEON_HPD_4:
295 WREG32(DC_HPD4_CONTROL, tmp);
296 rdev->irq.hpd[3] = true;
297 break;
298 case RADEON_HPD_5:
299 WREG32(DC_HPD5_CONTROL, tmp);
300 rdev->irq.hpd[4] = true;
301 break;
302 case RADEON_HPD_6:
303 WREG32(DC_HPD6_CONTROL, tmp);
304 rdev->irq.hpd[5] = true;
305 break;
306 default:
307 break;
308 }
309 }
310 if (rdev->irq.installed)
311 evergreen_irq_set(rdev);
bcc1c2a1
AD		 312}
313
0ca2ab52 314void evergreen_hpd_fini(struct radeon_device *rdev)
bcc1c2a1 315{
0ca2ab52
AD		 316 struct drm_device *dev = rdev->ddev;
317 struct drm_connector *connector;
318
319 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
320 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
321 switch (radeon_connector->hpd.hpd) {
322 case RADEON_HPD_1:
323 WREG32(DC_HPD1_CONTROL, 0);
324 rdev->irq.hpd[0] = false;
325 break;
326 case RADEON_HPD_2:
327 WREG32(DC_HPD2_CONTROL, 0);
328 rdev->irq.hpd[1] = false;
329 break;
330 case RADEON_HPD_3:
331 WREG32(DC_HPD3_CONTROL, 0);
332 rdev->irq.hpd[2] = false;
333 break;
334 case RADEON_HPD_4:
335 WREG32(DC_HPD4_CONTROL, 0);
336 rdev->irq.hpd[3] = false;
337 break;
338 case RADEON_HPD_5:
339 WREG32(DC_HPD5_CONTROL, 0);
340 rdev->irq.hpd[4] = false;
341 break;
342 case RADEON_HPD_6:
343 WREG32(DC_HPD6_CONTROL, 0);
344 rdev->irq.hpd[5] = false;
345 break;
346 default:
347 break;
348 }
349 }
bcc1c2a1
AD		 350}
351
f9d9c362
AD		 352/* watermark setup */
353
354static u32 evergreen_line_buffer_adjust(struct radeon_device *rdev,
355 struct radeon_crtc *radeon_crtc,
356 struct drm_display_mode *mode,
357 struct drm_display_mode *other_mode)
358{
359 u32 tmp = 0;
360 /*
361 * Line Buffer Setup
362 * There are 3 line buffers, each one shared by 2 display controllers.
363 * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between
364 * the display controllers. The paritioning is done via one of four
365 * preset allocations specified in bits 2:0:
366 * first display controller
367 * 0 - first half of lb (3840 * 2)
368 * 1 - first 3/4 of lb (5760 * 2)
369 * 2 - whole lb (7680 * 2)
370 * 3 - first 1/4 of lb (1920 * 2)
371 * second display controller
372 * 4 - second half of lb (3840 * 2)
373 * 5 - second 3/4 of lb (5760 * 2)
374 * 6 - whole lb (7680 * 2)
375 * 7 - last 1/4 of lb (1920 * 2)
376 */
377 if (mode && other_mode) {
378 if (mode->hdisplay > other_mode->hdisplay) {
379 if (mode->hdisplay > 2560)
380 tmp = 1; /* 3/4 */
381 else
382 tmp = 0; /* 1/2 */
383 } else if (other_mode->hdisplay > mode->hdisplay) {
384 if (other_mode->hdisplay > 2560)
385 tmp = 3; /* 1/4 */
386 else
387 tmp = 0; /* 1/2 */
388 } else
389 tmp = 0; /* 1/2 */
390 } else if (mode)
391 tmp = 2; /* whole */
392 else if (other_mode)
393 tmp = 3; /* 1/4 */
394
395 /* second controller of the pair uses second half of the lb */
396 if (radeon_crtc->crtc_id % 2)
397 tmp += 4;
398 WREG32(DC_LB_MEMORY_SPLIT + radeon_crtc->crtc_offset, tmp);
399
400 switch (tmp) {
401 case 0:
402 case 4:
403 default:
936b27cc
AD		 404 if (ASIC_IS_DCE5(rdev))
405 return 4096 * 2;
406 else
407 return 3840 * 2;
f9d9c362
AD		 408 case 1:
409 case 5:
936b27cc
AD		 410 if (ASIC_IS_DCE5(rdev))
411 return 6144 * 2;
412 else
413 return 5760 * 2;
f9d9c362
AD		 414 case 2:
415 case 6:
936b27cc
AD		 416 if (ASIC_IS_DCE5(rdev))
417 return 8192 * 2;
418 else
419 return 7680 * 2;
f9d9c362
AD		 420 case 3:
421 case 7:
936b27cc
AD		 422 if (ASIC_IS_DCE5(rdev))
423 return 2048 * 2;
424 else
425 return 1920 * 2;
f9d9c362
AD		 426 }
427}
428
429static u32 evergreen_get_number_of_dram_channels(struct radeon_device *rdev)
430{
431 u32 tmp = RREG32(MC_SHARED_CHMAP);
432
433 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
434 case 0:
435 default:
436 return 1;
437 case 1:
438 return 2;
439 case 2:
440 return 4;
441 case 3:
442 return 8;
443 }
444}
445
446struct evergreen_wm_params {
447 u32 dram_channels; /* number of dram channels */
448 u32 yclk; /* bandwidth per dram data pin in kHz */
449 u32 sclk; /* engine clock in kHz */
450 u32 disp_clk; /* display clock in kHz */
451 u32 src_width; /* viewport width */
452 u32 active_time; /* active display time in ns */
453 u32 blank_time; /* blank time in ns */
454 bool interlaced; /* mode is interlaced */
455 fixed20_12 vsc; /* vertical scale ratio */
456 u32 num_heads; /* number of active crtcs */
457 u32 bytes_per_pixel; /* bytes per pixel display + overlay */
458 u32 lb_size; /* line buffer allocated to pipe */
459 u32 vtaps; /* vertical scaler taps */
460};
461
462static u32 evergreen_dram_bandwidth(struct evergreen_wm_params *wm)
463{
464 /* Calculate DRAM Bandwidth and the part allocated to display. */
465 fixed20_12 dram_efficiency; /* 0.7 */
466 fixed20_12 yclk, dram_channels, bandwidth;
467 fixed20_12 a;
468
469 a.full = dfixed_const(1000);
470 yclk.full = dfixed_const(wm->yclk);
471 yclk.full = dfixed_div(yclk, a);
472 dram_channels.full = dfixed_const(wm->dram_channels * 4);
473 a.full = dfixed_const(10);
474 dram_efficiency.full = dfixed_const(7);
475 dram_efficiency.full = dfixed_div(dram_efficiency, a);
476 bandwidth.full = dfixed_mul(dram_channels, yclk);
477 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
478
479 return dfixed_trunc(bandwidth);
480}
481
482static u32 evergreen_dram_bandwidth_for_display(struct evergreen_wm_params *wm)
483{
484 /* Calculate DRAM Bandwidth and the part allocated to display. */
485 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
486 fixed20_12 yclk, dram_channels, bandwidth;
487 fixed20_12 a;
488
489 a.full = dfixed_const(1000);
490 yclk.full = dfixed_const(wm->yclk);
491 yclk.full = dfixed_div(yclk, a);
492 dram_channels.full = dfixed_const(wm->dram_channels * 4);
493 a.full = dfixed_const(10);
494 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
495 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
496 bandwidth.full = dfixed_mul(dram_channels, yclk);
497 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
498
499 return dfixed_trunc(bandwidth);
500}
501
502static u32 evergreen_data_return_bandwidth(struct evergreen_wm_params *wm)
503{
504 /* Calculate the display Data return Bandwidth */
505 fixed20_12 return_efficiency; /* 0.8 */
506 fixed20_12 sclk, bandwidth;
507 fixed20_12 a;
508
509 a.full = dfixed_const(1000);
510 sclk.full = dfixed_const(wm->sclk);
511 sclk.full = dfixed_div(sclk, a);
512 a.full = dfixed_const(10);
513 return_efficiency.full = dfixed_const(8);
514 return_efficiency.full = dfixed_div(return_efficiency, a);
515 a.full = dfixed_const(32);
516 bandwidth.full = dfixed_mul(a, sclk);
517 bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
518
519 return dfixed_trunc(bandwidth);
520}
521
522static u32 evergreen_dmif_request_bandwidth(struct evergreen_wm_params *wm)
523{
524 /* Calculate the DMIF Request Bandwidth */
525 fixed20_12 disp_clk_request_efficiency; /* 0.8 */
526 fixed20_12 disp_clk, bandwidth;
527 fixed20_12 a;
528
529 a.full = dfixed_const(1000);
530 disp_clk.full = dfixed_const(wm->disp_clk);
531 disp_clk.full = dfixed_div(disp_clk, a);
532 a.full = dfixed_const(10);
533 disp_clk_request_efficiency.full = dfixed_const(8);
534 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
535 a.full = dfixed_const(32);
536 bandwidth.full = dfixed_mul(a, disp_clk);
537 bandwidth.full = dfixed_mul(bandwidth, disp_clk_request_efficiency);
538
539 return dfixed_trunc(bandwidth);
540}
541
542static u32 evergreen_available_bandwidth(struct evergreen_wm_params *wm)
543{
544 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
545 u32 dram_bandwidth = evergreen_dram_bandwidth(wm);
546 u32 data_return_bandwidth = evergreen_data_return_bandwidth(wm);
547 u32 dmif_req_bandwidth = evergreen_dmif_request_bandwidth(wm);
548
549 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
550}
551
552static u32 evergreen_average_bandwidth(struct evergreen_wm_params *wm)
553{
554 /* Calculate the display mode Average Bandwidth
555 * DisplayMode should contain the source and destination dimensions,
556 * timing, etc.
557 */
558 fixed20_12 bpp;
559 fixed20_12 line_time;
560 fixed20_12 src_width;
561 fixed20_12 bandwidth;
562 fixed20_12 a;
563
564 a.full = dfixed_const(1000);
565 line_time.full = dfixed_const(wm->active_time + wm->blank_time);
566 line_time.full = dfixed_div(line_time, a);
567 bpp.full = dfixed_const(wm->bytes_per_pixel);
568 src_width.full = dfixed_const(wm->src_width);
569 bandwidth.full = dfixed_mul(src_width, bpp);
570 bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
571 bandwidth.full = dfixed_div(bandwidth, line_time);
572
573 return dfixed_trunc(bandwidth);
574}
575
576static u32 evergreen_latency_watermark(struct evergreen_wm_params *wm)
577{
578 /* First calcualte the latency in ns */
579 u32 mc_latency = 2000; /* 2000 ns. */
580 u32 available_bandwidth = evergreen_available_bandwidth(wm);
581 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
582 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
583 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
584 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
585 (wm->num_heads * cursor_line_pair_return_time);
586 u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
587 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
588 fixed20_12 a, b, c;
589
590 if (wm->num_heads == 0)
591 return 0;
592
593 a.full = dfixed_const(2);
594 b.full = dfixed_const(1);
595 if ((wm->vsc.full > a.full) ||
596 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
597 (wm->vtaps >= 5) ||
598 ((wm->vsc.full >= a.full) && wm->interlaced))
599 max_src_lines_per_dst_line = 4;
600 else
601 max_src_lines_per_dst_line = 2;
602
603 a.full = dfixed_const(available_bandwidth);
604 b.full = dfixed_const(wm->num_heads);
605 a.full = dfixed_div(a, b);
606
607 b.full = dfixed_const(1000);
608 c.full = dfixed_const(wm->disp_clk);
609 b.full = dfixed_div(c, b);
610 c.full = dfixed_const(wm->bytes_per_pixel);
611 b.full = dfixed_mul(b, c);
612
613 lb_fill_bw = min(dfixed_trunc(a), dfixed_trunc(b));
614
615 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
616 b.full = dfixed_const(1000);
617 c.full = dfixed_const(lb_fill_bw);
618 b.full = dfixed_div(c, b);
619 a.full = dfixed_div(a, b);
620 line_fill_time = dfixed_trunc(a);
621
622 if (line_fill_time < wm->active_time)
623 return latency;
624 else
625 return latency + (line_fill_time - wm->active_time);
626
627}
628
629static bool evergreen_average_bandwidth_vs_dram_bandwidth_for_display(struct evergreen_wm_params *wm)
630{
631 if (evergreen_average_bandwidth(wm) <=
632 (evergreen_dram_bandwidth_for_display(wm) / wm->num_heads))
633 return true;
634 else
635 return false;
636};
637
638static bool evergreen_average_bandwidth_vs_available_bandwidth(struct evergreen_wm_params *wm)
639{
640 if (evergreen_average_bandwidth(wm) <=
641 (evergreen_available_bandwidth(wm) / wm->num_heads))
642 return true;
643 else
644 return false;
645};
646
647static bool evergreen_check_latency_hiding(struct evergreen_wm_params *wm)
648{
649 u32 lb_partitions = wm->lb_size / wm->src_width;
650 u32 line_time = wm->active_time + wm->blank_time;
651 u32 latency_tolerant_lines;
652 u32 latency_hiding;
653 fixed20_12 a;
654
655 a.full = dfixed_const(1);
656 if (wm->vsc.full > a.full)
657 latency_tolerant_lines = 1;
658 else {
659 if (lb_partitions <= (wm->vtaps + 1))
660 latency_tolerant_lines = 1;
661 else
662 latency_tolerant_lines = 2;
663 }
664
665 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
666
667 if (evergreen_latency_watermark(wm) <= latency_hiding)
668 return true;
669 else
670 return false;
671}
672
673static void evergreen_program_watermarks(struct radeon_device *rdev,
674 struct radeon_crtc *radeon_crtc,
675 u32 lb_size, u32 num_heads)
676{
677 struct drm_display_mode *mode = &radeon_crtc->base.mode;
678 struct evergreen_wm_params wm;
679 u32 pixel_period;
680 u32 line_time = 0;
681 u32 latency_watermark_a = 0, latency_watermark_b = 0;
682 u32 priority_a_mark = 0, priority_b_mark = 0;
683 u32 priority_a_cnt = PRIORITY_OFF;
684 u32 priority_b_cnt = PRIORITY_OFF;
685 u32 pipe_offset = radeon_crtc->crtc_id * 16;
686 u32 tmp, arb_control3;
687 fixed20_12 a, b, c;
688
689 if (radeon_crtc->base.enabled && num_heads && mode) {
690 pixel_period = 1000000 / (u32)mode->clock;
691 line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
692 priority_a_cnt = 0;
693 priority_b_cnt = 0;
694
695 wm.yclk = rdev->pm.current_mclk * 10;
696 wm.sclk = rdev->pm.current_sclk * 10;
697 wm.disp_clk = mode->clock;
698 wm.src_width = mode->crtc_hdisplay;
699 wm.active_time = mode->crtc_hdisplay * pixel_period;
700 wm.blank_time = line_time - wm.active_time;
701 wm.interlaced = false;
702 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
703 wm.interlaced = true;
704 wm.vsc = radeon_crtc->vsc;
705 wm.vtaps = 1;
706 if (radeon_crtc->rmx_type != RMX_OFF)
707 wm.vtaps = 2;
708 wm.bytes_per_pixel = 4; /* XXX: get this from fb config */
709 wm.lb_size = lb_size;
710 wm.dram_channels = evergreen_get_number_of_dram_channels(rdev);
711 wm.num_heads = num_heads;
712
713 /* set for high clocks */
714 latency_watermark_a = min(evergreen_latency_watermark(&wm), (u32)65535);
715 /* set for low clocks */
716 /* wm.yclk = low clk; wm.sclk = low clk */
717 latency_watermark_b = min(evergreen_latency_watermark(&wm), (u32)65535);
718
719 /* possibly force display priority to high */
720 /* should really do this at mode validation time... */
721 if (!evergreen_average_bandwidth_vs_dram_bandwidth_for_display(&wm) ||
722 !evergreen_average_bandwidth_vs_available_bandwidth(&wm) ||
723 !evergreen_check_latency_hiding(&wm) ||
724 (rdev->disp_priority == 2)) {
725 DRM_INFO("force priority to high\n");
726 priority_a_cnt |= PRIORITY_ALWAYS_ON;
727 priority_b_cnt |= PRIORITY_ALWAYS_ON;
728 }
729
730 a.full = dfixed_const(1000);
731 b.full = dfixed_const(mode->clock);
732 b.full = dfixed_div(b, a);
733 c.full = dfixed_const(latency_watermark_a);
734 c.full = dfixed_mul(c, b);
735 c.full = dfixed_mul(c, radeon_crtc->hsc);
736 c.full = dfixed_div(c, a);
737 a.full = dfixed_const(16);
738 c.full = dfixed_div(c, a);
739 priority_a_mark = dfixed_trunc(c);
740 priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
741
742 a.full = dfixed_const(1000);
743 b.full = dfixed_const(mode->clock);
744 b.full = dfixed_div(b, a);
745 c.full = dfixed_const(latency_watermark_b);
746 c.full = dfixed_mul(c, b);
747 c.full = dfixed_mul(c, radeon_crtc->hsc);
748 c.full = dfixed_div(c, a);
749 a.full = dfixed_const(16);
750 c.full = dfixed_div(c, a);
751 priority_b_mark = dfixed_trunc(c);
752 priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
753 }
754
755 /* select wm A */
756 arb_control3 = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset);
757 tmp = arb_control3;
758 tmp &= ~LATENCY_WATERMARK_MASK(3);
759 tmp |= LATENCY_WATERMARK_MASK(1);
760 WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp);
761 WREG32(PIPE0_LATENCY_CONTROL + pipe_offset,
762 (LATENCY_LOW_WATERMARK(latency_watermark_a) |
763 LATENCY_HIGH_WATERMARK(line_time)));
764 /* select wm B */
765 tmp = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset);
766 tmp &= ~LATENCY_WATERMARK_MASK(3);
767 tmp |= LATENCY_WATERMARK_MASK(2);
768 WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp);
769 WREG32(PIPE0_LATENCY_CONTROL + pipe_offset,
770 (LATENCY_LOW_WATERMARK(latency_watermark_b) |
771 LATENCY_HIGH_WATERMARK(line_time)));
772 /* restore original selection */
773 WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, arb_control3);
774
775 /* write the priority marks */
776 WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt);
777 WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt);
778
779}
780
0ca2ab52 781void evergreen_bandwidth_update(struct radeon_device *rdev)
bcc1c2a1 782{
f9d9c362
AD		 783 struct drm_display_mode *mode0 = NULL;
784 struct drm_display_mode *mode1 = NULL;
785 u32 num_heads = 0, lb_size;
786 int i;
787
788 radeon_update_display_priority(rdev);
789
790 for (i = 0; i < rdev->num_crtc; i++) {
791 if (rdev->mode_info.crtcs[i]->base.enabled)
792 num_heads++;
793 }
794 for (i = 0; i < rdev->num_crtc; i += 2) {
795 mode0 = &rdev->mode_info.crtcs[i]->base.mode;
796 mode1 = &rdev->mode_info.crtcs[i+1]->base.mode;
797 lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i], mode0, mode1);
798 evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i], lb_size, num_heads);
799 lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i+1], mode1, mode0);
800 evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i+1], lb_size, num_heads);
801 }
bcc1c2a1
AD		 802}
803
804static int evergreen_mc_wait_for_idle(struct radeon_device *rdev)
805{
806 unsigned i;
807 u32 tmp;
808
809 for (i = 0; i < rdev->usec_timeout; i++) {
810 /* read MC_STATUS */
811 tmp = RREG32(SRBM_STATUS) & 0x1F00;
812 if (!tmp)
813 return 0;
814 udelay(1);
815 }
816 return -1;
817}
818
819/*
820 * GART
821 */
0fcdb61e
AD		 822void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev)
823{
824 unsigned i;
825 u32 tmp;
826
6f2f48a9
AD		 827 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
828
0fcdb61e
AD		 829 WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
830 for (i = 0; i < rdev->usec_timeout; i++) {
831 /* read MC_STATUS */
832 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
833 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
834 if (tmp == 2) {
835 printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
836 return;
837 }
838 if (tmp) {
839 return;
840 }
841 udelay(1);
842 }
843}
844
bcc1c2a1
AD		 845int evergreen_pcie_gart_enable(struct radeon_device *rdev)
846{
847 u32 tmp;
0fcdb61e 848 int r;
bcc1c2a1
AD		 849
850 if (rdev->gart.table.vram.robj == NULL) {
851 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
852 return -EINVAL;
853 }
854 r = radeon_gart_table_vram_pin(rdev);
855 if (r)
856 return r;
82568565 857 radeon_gart_restore(rdev);
bcc1c2a1
AD		 858 /* Setup L2 cache */
859 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
860 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
861 EFFECTIVE_L2_QUEUE_SIZE(7));
862 WREG32(VM_L2_CNTL2, 0);
863 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
864 /* Setup TLB control */
865 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
866 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
867 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
868 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
869 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
870 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
871 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
872 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
873 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
874 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
875 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
876 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
877 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
878 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
879 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
880 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
881 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
882 (u32)(rdev->dummy_page.addr >> 12));
0fcdb61e 883 WREG32(VM_CONTEXT1_CNTL, 0);
bcc1c2a1 884
0fcdb61e 885 evergreen_pcie_gart_tlb_flush(rdev);
bcc1c2a1
AD		 886 rdev->gart.ready = true;
887 return 0;
888}
889
890void evergreen_pcie_gart_disable(struct radeon_device *rdev)
891{
892 u32 tmp;
0fcdb61e 893 int r;
bcc1c2a1
AD		 894
895 /* Disable all tables */
0fcdb61e
AD		 896 WREG32(VM_CONTEXT0_CNTL, 0);
897 WREG32(VM_CONTEXT1_CNTL, 0);
bcc1c2a1
AD		 898
899 /* Setup L2 cache */
900 WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
901 EFFECTIVE_L2_QUEUE_SIZE(7));
902 WREG32(VM_L2_CNTL2, 0);
903 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
904 /* Setup TLB control */
905 tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
906 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
907 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
908 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
909 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
910 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
911 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
912 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
913 if (rdev->gart.table.vram.robj) {
914 r = radeon_bo_reserve(rdev->gart.table.vram.robj, false);
915 if (likely(r == 0)) {
916 radeon_bo_kunmap(rdev->gart.table.vram.robj);
917 radeon_bo_unpin(rdev->gart.table.vram.robj);
918 radeon_bo_unreserve(rdev->gart.table.vram.robj);
919 }
920 }
921}
922
923void evergreen_pcie_gart_fini(struct radeon_device *rdev)
924{
925 evergreen_pcie_gart_disable(rdev);
926 radeon_gart_table_vram_free(rdev);
927 radeon_gart_fini(rdev);
928}
929
930
931void evergreen_agp_enable(struct radeon_device *rdev)
932{
933 u32 tmp;
bcc1c2a1
AD		 934
935 /* Setup L2 cache */
936 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
937 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
938 EFFECTIVE_L2_QUEUE_SIZE(7));
939 WREG32(VM_L2_CNTL2, 0);
940 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
941 /* Setup TLB control */
942 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
943 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
944 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
945 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
946 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
947 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
948 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
949 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
950 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
951 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
952 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
0fcdb61e
AD		 953 WREG32(VM_CONTEXT0_CNTL, 0);
954 WREG32(VM_CONTEXT1_CNTL, 0);
bcc1c2a1
AD		 955}
956
957static void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
958{
959 save->vga_control[0] = RREG32(D1VGA_CONTROL);
960 save->vga_control[1] = RREG32(D2VGA_CONTROL);
961 save->vga_control[2] = RREG32(EVERGREEN_D3VGA_CONTROL);
962 save->vga_control[3] = RREG32(EVERGREEN_D4VGA_CONTROL);
963 save->vga_control[4] = RREG32(EVERGREEN_D5VGA_CONTROL);
964 save->vga_control[5] = RREG32(EVERGREEN_D6VGA_CONTROL);
965 save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
966 save->vga_hdp_control = RREG32(VGA_HDP_CONTROL);
967 save->crtc_control[0] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET);
968 save->crtc_control[1] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET);
18007401
AD		 969 if (!(rdev->flags & RADEON_IS_IGP)) {
970 save->crtc_control[2] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET);
971 save->crtc_control[3] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET);
972 save->crtc_control[4] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET);
973 save->crtc_control[5] = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
974 }
bcc1c2a1
AD		 975
976 /* Stop all video */
977 WREG32(VGA_RENDER_CONTROL, 0);
978 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
979 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
18007401
AD		 980 if (!(rdev->flags & RADEON_IS_IGP)) {
981 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
982 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
983 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
984 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
985 }
bcc1c2a1
AD		 986 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
987 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
18007401
AD		 988 if (!(rdev->flags & RADEON_IS_IGP)) {
989 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
990 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
991 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
992 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
993 }
bcc1c2a1
AD		 994 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
995 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
18007401
AD		 996 if (!(rdev->flags & RADEON_IS_IGP)) {
997 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
998 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
999 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
1000 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
1001 }
bcc1c2a1
AD		 1002
1003 WREG32(D1VGA_CONTROL, 0);
1004 WREG32(D2VGA_CONTROL, 0);
1005 WREG32(EVERGREEN_D3VGA_CONTROL, 0);
1006 WREG32(EVERGREEN_D4VGA_CONTROL, 0);
1007 WREG32(EVERGREEN_D5VGA_CONTROL, 0);
1008 WREG32(EVERGREEN_D6VGA_CONTROL, 0);
1009}
1010
1011static void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
1012{
1013 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
1014 upper_32_bits(rdev->mc.vram_start));
1015 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC0_REGISTER_OFFSET,
1016 upper_32_bits(rdev->mc.vram_start));
1017 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
1018 (u32)rdev->mc.vram_start);
1019 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC0_REGISTER_OFFSET,
1020 (u32)rdev->mc.vram_start);
1021
1022 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
1023 upper_32_bits(rdev->mc.vram_start));
1024 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC1_REGISTER_OFFSET,
1025 upper_32_bits(rdev->mc.vram_start));
1026 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
1027 (u32)rdev->mc.vram_start);
1028 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC1_REGISTER_OFFSET,
1029 (u32)rdev->mc.vram_start);
1030
18007401
AD		 1031 if (!(rdev->flags & RADEON_IS_IGP)) {
1032 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
1033 upper_32_bits(rdev->mc.vram_start));
1034 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC2_REGISTER_OFFSET,
1035 upper_32_bits(rdev->mc.vram_start));
1036 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
1037 (u32)rdev->mc.vram_start);
1038 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC2_REGISTER_OFFSET,
1039 (u32)rdev->mc.vram_start);
1040
1041 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
1042 upper_32_bits(rdev->mc.vram_start));
1043 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC3_REGISTER_OFFSET,
1044 upper_32_bits(rdev->mc.vram_start));
1045 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
1046 (u32)rdev->mc.vram_start);
1047 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC3_REGISTER_OFFSET,
1048 (u32)rdev->mc.vram_start);
1049
1050 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
1051 upper_32_bits(rdev->mc.vram_start));
1052 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC4_REGISTER_OFFSET,
1053 upper_32_bits(rdev->mc.vram_start));
1054 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
1055 (u32)rdev->mc.vram_start);
1056 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC4_REGISTER_OFFSET,
1057 (u32)rdev->mc.vram_start);
1058
1059 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
1060 upper_32_bits(rdev->mc.vram_start));
1061 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + EVERGREEN_CRTC5_REGISTER_OFFSET,
1062 upper_32_bits(rdev->mc.vram_start));
1063 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
1064 (u32)rdev->mc.vram_start);
1065 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + EVERGREEN_CRTC5_REGISTER_OFFSET,
1066 (u32)rdev->mc.vram_start);
1067 }
bcc1c2a1
AD		 1068
1069 WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
1070 WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
1071 /* Unlock host access */
1072 WREG32(VGA_HDP_CONTROL, save->vga_hdp_control);
1073 mdelay(1);
1074 /* Restore video state */
1075 WREG32(D1VGA_CONTROL, save->vga_control[0]);
1076 WREG32(D2VGA_CONTROL, save->vga_control[1]);
1077 WREG32(EVERGREEN_D3VGA_CONTROL, save->vga_control[2]);
1078 WREG32(EVERGREEN_D4VGA_CONTROL, save->vga_control[3]);
1079 WREG32(EVERGREEN_D5VGA_CONTROL, save->vga_control[4]);
1080 WREG32(EVERGREEN_D6VGA_CONTROL, save->vga_control[5]);
1081 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 1);
1082 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 1);
18007401
AD		 1083 if (!(rdev->flags & RADEON_IS_IGP)) {
1084 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 1);
1085 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 1);
1086 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 1);
1087 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 1);
1088 }
bcc1c2a1
AD		 1089 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, save->crtc_control[0]);
1090 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, save->crtc_control[1]);
18007401
AD		 1091 if (!(rdev->flags & RADEON_IS_IGP)) {
1092 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, save->crtc_control[2]);
1093 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, save->crtc_control[3]);
1094 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, save->crtc_control[4]);
1095 WREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, save->crtc_control[5]);
1096 }
bcc1c2a1
AD		 1097 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
1098 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
18007401
AD		 1099 if (!(rdev->flags & RADEON_IS_IGP)) {
1100 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
1101 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
1102 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
1103 WREG32(EVERGREEN_CRTC_UPDATE_LOCK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
1104 }
bcc1c2a1
AD		 1105 WREG32(VGA_RENDER_CONTROL, save->vga_render_control);
1106}
1107
1108static void evergreen_mc_program(struct radeon_device *rdev)
1109{
1110 struct evergreen_mc_save save;
1111 u32 tmp;
1112 int i, j;
1113
1114 /* Initialize HDP */
1115 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1116 WREG32((0x2c14 + j), 0x00000000);
1117 WREG32((0x2c18 + j), 0x00000000);
1118 WREG32((0x2c1c + j), 0x00000000);
1119 WREG32((0x2c20 + j), 0x00000000);
1120 WREG32((0x2c24 + j), 0x00000000);
1121 }
1122 WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
1123
1124 evergreen_mc_stop(rdev, &save);
1125 if (evergreen_mc_wait_for_idle(rdev)) {
1126 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1127 }
1128 /* Lockout access through VGA aperture*/
1129 WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
1130 /* Update configuration */
1131 if (rdev->flags & RADEON_IS_AGP) {
1132 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1133 /* VRAM before AGP */
1134 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1135 rdev->mc.vram_start >> 12);
1136 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1137 rdev->mc.gtt_end >> 12);
1138 } else {
1139 /* VRAM after AGP */
1140 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1141 rdev->mc.gtt_start >> 12);
1142 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1143 rdev->mc.vram_end >> 12);
1144 }
1145 } else {
1146 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1147 rdev->mc.vram_start >> 12);
1148 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1149 rdev->mc.vram_end >> 12);
1150 }
1151 WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, 0);
b4183e30
AD		 1152 if (rdev->flags & RADEON_IS_IGP) {
1153 tmp = RREG32(MC_FUS_VM_FB_OFFSET) & 0x000FFFFF;
1154 tmp |= ((rdev->mc.vram_end >> 20) & 0xF) << 24;
1155 tmp |= ((rdev->mc.vram_start >> 20) & 0xF) << 20;
1156 WREG32(MC_FUS_VM_FB_OFFSET, tmp);
1157 }
bcc1c2a1
AD		 1158 tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
1159 tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1160 WREG32(MC_VM_FB_LOCATION, tmp);
1161 WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
c46cb4da 1162 WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
46fcd2b3 1163 WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
bcc1c2a1
AD		 1164 if (rdev->flags & RADEON_IS_AGP) {
1165 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
1166 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
1167 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1168 } else {
1169 WREG32(MC_VM_AGP_BASE, 0);
1170 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1171 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1172 }
1173 if (evergreen_mc_wait_for_idle(rdev)) {
1174 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1175 }
1176 evergreen_mc_resume(rdev, &save);
1177 /* we need to own VRAM, so turn off the VGA renderer here
1178 * to stop it overwriting our objects */
1179 rv515_vga_render_disable(rdev);
1180}
1181
bcc1c2a1
AD		 1182/*
1183 * CP.
1184 */
bcc1c2a1
AD		 1185
1186static int evergreen_cp_load_microcode(struct radeon_device *rdev)
1187{
fe251e2f
AD		 1188 const __be32 *fw_data;
1189 int i;
1190
1191 if (!rdev->me_fw || !rdev->pfp_fw)
1192 return -EINVAL;
bcc1c2a1 1193
fe251e2f
AD		 1194 r700_cp_stop(rdev);
1195 WREG32(CP_RB_CNTL, RB_NO_UPDATE | (15 << 8) | (3 << 0));
1196
1197 fw_data = (const __be32 *)rdev->pfp_fw->data;
1198 WREG32(CP_PFP_UCODE_ADDR, 0);
1199 for (i = 0; i < EVERGREEN_PFP_UCODE_SIZE; i++)
1200 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1201 WREG32(CP_PFP_UCODE_ADDR, 0);
1202
1203 fw_data = (const __be32 *)rdev->me_fw->data;
1204 WREG32(CP_ME_RAM_WADDR, 0);
1205 for (i = 0; i < EVERGREEN_PM4_UCODE_SIZE; i++)
1206 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1207
1208 WREG32(CP_PFP_UCODE_ADDR, 0);
1209 WREG32(CP_ME_RAM_WADDR, 0);
1210 WREG32(CP_ME_RAM_RADDR, 0);
bcc1c2a1
AD		 1211 return 0;
1212}
1213
7e7b41d2
AD		 1214static int evergreen_cp_start(struct radeon_device *rdev)
1215{
2281a378 1216 int r, i;
7e7b41d2
AD		 1217 uint32_t cp_me;
1218
1219 r = radeon_ring_lock(rdev, 7);
1220 if (r) {
1221 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1222 return r;
1223 }
1224 radeon_ring_write(rdev, PACKET3(PACKET3_ME_INITIALIZE, 5));
1225 radeon_ring_write(rdev, 0x1);
1226 radeon_ring_write(rdev, 0x0);
1227 radeon_ring_write(rdev, rdev->config.evergreen.max_hw_contexts - 1);
1228 radeon_ring_write(rdev, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1229 radeon_ring_write(rdev, 0);
1230 radeon_ring_write(rdev, 0);
1231 radeon_ring_unlock_commit(rdev);
1232
1233 cp_me = 0xff;
1234 WREG32(CP_ME_CNTL, cp_me);
1235
2281a378 1236 r = radeon_ring_lock(rdev, evergreen_default_size + 15);
7e7b41d2
AD		 1237 if (r) {
1238 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1239 return r;
1240 }
2281a378
AD		 1241
1242 /* setup clear context state */
1243 radeon_ring_write(rdev, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1244 radeon_ring_write(rdev, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1245
1246 for (i = 0; i < evergreen_default_size; i++)
1247 radeon_ring_write(rdev, evergreen_default_state[i]);
1248
1249 radeon_ring_write(rdev, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1250 radeon_ring_write(rdev, PACKET3_PREAMBLE_END_CLEAR_STATE);
1251
1252 /* set clear context state */
1253 radeon_ring_write(rdev, PACKET3(PACKET3_CLEAR_STATE, 0));
1254 radeon_ring_write(rdev, 0);
1255
1256 /* SQ_VTX_BASE_VTX_LOC */
1257 radeon_ring_write(rdev, 0xc0026f00);
1258 radeon_ring_write(rdev, 0x00000000);
1259 radeon_ring_write(rdev, 0x00000000);
1260 radeon_ring_write(rdev, 0x00000000);
1261
1262 /* Clear consts */
1263 radeon_ring_write(rdev, 0xc0036f00);
1264 radeon_ring_write(rdev, 0x00000bc4);
1265 radeon_ring_write(rdev, 0xffffffff);
1266 radeon_ring_write(rdev, 0xffffffff);
1267 radeon_ring_write(rdev, 0xffffffff);
1268
7e7b41d2
AD		 1269 radeon_ring_unlock_commit(rdev);
1270
1271 return 0;
1272}
1273
fe251e2f
AD		 1274int evergreen_cp_resume(struct radeon_device *rdev)
1275{
1276 u32 tmp;
1277 u32 rb_bufsz;
1278 int r;
1279
1280 /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1281 WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1282 SOFT_RESET_PA |
1283 SOFT_RESET_SH |
1284 SOFT_RESET_VGT |
1285 SOFT_RESET_SX));
1286 RREG32(GRBM_SOFT_RESET);
1287 mdelay(15);
1288 WREG32(GRBM_SOFT_RESET, 0);
1289 RREG32(GRBM_SOFT_RESET);
1290
1291 /* Set ring buffer size */
1292 rb_bufsz = drm_order(rdev->cp.ring_size / 8);
724c80e1 1293 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
fe251e2f
AD		 1294#ifdef __BIG_ENDIAN
1295 tmp |= BUF_SWAP_32BIT;
32fcdbf4 1296#endif
fe251e2f
AD		 1297 WREG32(CP_RB_CNTL, tmp);
1298 WREG32(CP_SEM_WAIT_TIMER, 0x4);
1299
1300 /* Set the write pointer delay */
1301 WREG32(CP_RB_WPTR_DELAY, 0);
1302
1303 /* Initialize the ring buffer's read and write pointers */
1304 WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
1305 WREG32(CP_RB_RPTR_WR, 0);
1306 WREG32(CP_RB_WPTR, 0);
724c80e1
AD		 1307
1308 /* set the wb address wether it's enabled or not */
1309 WREG32(CP_RB_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC);
1310 WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
1311 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1312
1313 if (rdev->wb.enabled)
1314 WREG32(SCRATCH_UMSK, 0xff);
1315 else {
1316 tmp |= RB_NO_UPDATE;
1317 WREG32(SCRATCH_UMSK, 0);
1318 }
1319
fe251e2f
AD		 1320 mdelay(1);
1321 WREG32(CP_RB_CNTL, tmp);
1322
1323 WREG32(CP_RB_BASE, rdev->cp.gpu_addr >> 8);
1324 WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
1325
1326 rdev->cp.rptr = RREG32(CP_RB_RPTR);
1327 rdev->cp.wptr = RREG32(CP_RB_WPTR);
1328
7e7b41d2 1329 evergreen_cp_start(rdev);
fe251e2f
AD		 1330 rdev->cp.ready = true;
1331 r = radeon_ring_test(rdev);
1332 if (r) {
1333 rdev->cp.ready = false;
1334 return r;
1335 }
1336 return 0;
1337}
bcc1c2a1
AD		 1338
1339/*
1340 * Core functions
1341 */
32fcdbf4
AD		 1342static u32 evergreen_get_tile_pipe_to_backend_map(struct radeon_device *rdev,
1343 u32 num_tile_pipes,
bcc1c2a1
AD		 1344 u32 num_backends,
1345 u32 backend_disable_mask)
1346{
1347 u32 backend_map = 0;
32fcdbf4
AD		 1348 u32 enabled_backends_mask = 0;
1349 u32 enabled_backends_count = 0;
1350 u32 cur_pipe;
1351 u32 swizzle_pipe[EVERGREEN_MAX_PIPES];
1352 u32 cur_backend = 0;
1353 u32 i;
1354 bool force_no_swizzle;
1355
1356 if (num_tile_pipes > EVERGREEN_MAX_PIPES)
1357 num_tile_pipes = EVERGREEN_MAX_PIPES;
1358 if (num_tile_pipes < 1)
1359 num_tile_pipes = 1;
1360 if (num_backends > EVERGREEN_MAX_BACKENDS)
1361 num_backends = EVERGREEN_MAX_BACKENDS;
1362 if (num_backends < 1)
1363 num_backends = 1;
1364
1365 for (i = 0; i < EVERGREEN_MAX_BACKENDS; ++i) {
1366 if (((backend_disable_mask >> i) & 1) == 0) {
1367 enabled_backends_mask |= (1 << i);
1368 ++enabled_backends_count;
1369 }
1370 if (enabled_backends_count == num_backends)
1371 break;
1372 }
1373
1374 if (enabled_backends_count == 0) {
1375 enabled_backends_mask = 1;
1376 enabled_backends_count = 1;
1377 }
1378
1379 if (enabled_backends_count != num_backends)
1380 num_backends = enabled_backends_count;
1381
1382 memset((uint8_t *)&swizzle_pipe[0], 0, sizeof(u32) * EVERGREEN_MAX_PIPES);
1383 switch (rdev->family) {
1384 case CHIP_CEDAR:
1385 case CHIP_REDWOOD:
d5e455e4 1386 case CHIP_PALM:
adb68fa2
AD		 1387 case CHIP_TURKS:
1388 case CHIP_CAICOS:
32fcdbf4
AD		 1389 force_no_swizzle = false;
1390 break;
1391 case CHIP_CYPRESS:
1392 case CHIP_HEMLOCK:
1393 case CHIP_JUNIPER:
adb68fa2 1394 case CHIP_BARTS:
32fcdbf4
AD		 1395 default:
1396 force_no_swizzle = true;
1397 break;
1398 }
1399 if (force_no_swizzle) {
1400 bool last_backend_enabled = false;
1401
1402 force_no_swizzle = false;
1403 for (i = 0; i < EVERGREEN_MAX_BACKENDS; ++i) {
1404 if (((enabled_backends_mask >> i) & 1) == 1) {
1405 if (last_backend_enabled)
1406 force_no_swizzle = true;
1407 last_backend_enabled = true;
1408 } else
1409 last_backend_enabled = false;
1410 }
1411 }
1412
1413 switch (num_tile_pipes) {
1414 case 1:
1415 case 3:
1416 case 5:
1417 case 7:
1418 DRM_ERROR("odd number of pipes!\n");
1419 break;
1420 case 2:
1421 swizzle_pipe[0] = 0;
1422 swizzle_pipe[1] = 1;
1423 break;
1424 case 4:
1425 if (force_no_swizzle) {
1426 swizzle_pipe[0] = 0;
1427 swizzle_pipe[1] = 1;
1428 swizzle_pipe[2] = 2;
1429 swizzle_pipe[3] = 3;
1430 } else {
1431 swizzle_pipe[0] = 0;
1432 swizzle_pipe[1] = 2;
1433 swizzle_pipe[2] = 1;
1434 swizzle_pipe[3] = 3;
1435 }
1436 break;
1437 case 6:
1438 if (force_no_swizzle) {
1439 swizzle_pipe[0] = 0;
1440 swizzle_pipe[1] = 1;
1441 swizzle_pipe[2] = 2;
1442 swizzle_pipe[3] = 3;
1443 swizzle_pipe[4] = 4;
1444 swizzle_pipe[5] = 5;
1445 } else {
1446 swizzle_pipe[0] = 0;
1447 swizzle_pipe[1] = 2;
1448 swizzle_pipe[2] = 4;
1449 swizzle_pipe[3] = 1;
1450 swizzle_pipe[4] = 3;
1451 swizzle_pipe[5] = 5;
1452 }
1453 break;
1454 case 8:
1455 if (force_no_swizzle) {
1456 swizzle_pipe[0] = 0;
1457 swizzle_pipe[1] = 1;
1458 swizzle_pipe[2] = 2;
1459 swizzle_pipe[3] = 3;
1460 swizzle_pipe[4] = 4;
1461 swizzle_pipe[5] = 5;
1462 swizzle_pipe[6] = 6;
1463 swizzle_pipe[7] = 7;
1464 } else {
1465 swizzle_pipe[0] = 0;
1466 swizzle_pipe[1] = 2;
1467 swizzle_pipe[2] = 4;
1468 swizzle_pipe[3] = 6;
1469 swizzle_pipe[4] = 1;
1470 swizzle_pipe[5] = 3;
1471 swizzle_pipe[6] = 5;
1472 swizzle_pipe[7] = 7;
1473 }
1474 break;
1475 }
1476
1477 for (cur_pipe = 0; cur_pipe < num_tile_pipes; ++cur_pipe) {
1478 while (((1 << cur_backend) & enabled_backends_mask) == 0)
1479 cur_backend = (cur_backend + 1) % EVERGREEN_MAX_BACKENDS;
1480
1481 backend_map |= (((cur_backend & 0xf) << (swizzle_pipe[cur_pipe] * 4)));
1482
1483 cur_backend = (cur_backend + 1) % EVERGREEN_MAX_BACKENDS;
1484 }
bcc1c2a1
AD		 1485
1486 return backend_map;
1487}
bcc1c2a1 1488
9535ab73
AD		 1489static void evergreen_program_channel_remap(struct radeon_device *rdev)
1490{
1491 u32 tcp_chan_steer_lo, tcp_chan_steer_hi, mc_shared_chremap, tmp;
1492
1493 tmp = RREG32(MC_SHARED_CHMAP);
1494 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
1495 case 0:
1496 case 1:
1497 case 2:
1498 case 3:
1499 default:
1500 /* default mapping */
1501 mc_shared_chremap = 0x00fac688;
1502 break;
1503 }
1504
1505 switch (rdev->family) {
1506 case CHIP_HEMLOCK:
1507 case CHIP_CYPRESS:
adb68fa2 1508 case CHIP_BARTS:
9535ab73
AD		 1509 tcp_chan_steer_lo = 0x54763210;
1510 tcp_chan_steer_hi = 0x0000ba98;
1511 break;
1512 case CHIP_JUNIPER:
1513 case CHIP_REDWOOD:
1514 case CHIP_CEDAR:
d5e455e4 1515 case CHIP_PALM:
adb68fa2
AD		 1516 case CHIP_TURKS:
1517 case CHIP_CAICOS:
9535ab73
AD		 1518 default:
1519 tcp_chan_steer_lo = 0x76543210;
1520 tcp_chan_steer_hi = 0x0000ba98;
1521 break;
1522 }
1523
1524 WREG32(TCP_CHAN_STEER_LO, tcp_chan_steer_lo);
1525 WREG32(TCP_CHAN_STEER_HI, tcp_chan_steer_hi);
1526 WREG32(MC_SHARED_CHREMAP, mc_shared_chremap);
1527}
1528
bcc1c2a1
AD		 1529static void evergreen_gpu_init(struct radeon_device *rdev)
1530{
32fcdbf4
AD		 1531 u32 cc_rb_backend_disable = 0;
1532 u32 cc_gc_shader_pipe_config;
1533 u32 gb_addr_config = 0;
1534 u32 mc_shared_chmap, mc_arb_ramcfg;
1535 u32 gb_backend_map;
1536 u32 grbm_gfx_index;
1537 u32 sx_debug_1;
1538 u32 smx_dc_ctl0;
1539 u32 sq_config;
1540 u32 sq_lds_resource_mgmt;
1541 u32 sq_gpr_resource_mgmt_1;
1542 u32 sq_gpr_resource_mgmt_2;
1543 u32 sq_gpr_resource_mgmt_3;
1544 u32 sq_thread_resource_mgmt;
1545 u32 sq_thread_resource_mgmt_2;
1546 u32 sq_stack_resource_mgmt_1;
1547 u32 sq_stack_resource_mgmt_2;
1548 u32 sq_stack_resource_mgmt_3;
1549 u32 vgt_cache_invalidation;
1550 u32 hdp_host_path_cntl;
1551 int i, j, num_shader_engines, ps_thread_count;
1552
1553 switch (rdev->family) {
1554 case CHIP_CYPRESS:
1555 case CHIP_HEMLOCK:
1556 rdev->config.evergreen.num_ses = 2;
1557 rdev->config.evergreen.max_pipes = 4;
1558 rdev->config.evergreen.max_tile_pipes = 8;
1559 rdev->config.evergreen.max_simds = 10;
1560 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
1561 rdev->config.evergreen.max_gprs = 256;
1562 rdev->config.evergreen.max_threads = 248;
1563 rdev->config.evergreen.max_gs_threads = 32;
1564 rdev->config.evergreen.max_stack_entries = 512;
1565 rdev->config.evergreen.sx_num_of_sets = 4;
1566 rdev->config.evergreen.sx_max_export_size = 256;
1567 rdev->config.evergreen.sx_max_export_pos_size = 64;
1568 rdev->config.evergreen.sx_max_export_smx_size = 192;
1569 rdev->config.evergreen.max_hw_contexts = 8;
1570 rdev->config.evergreen.sq_num_cf_insts = 2;
1571
1572 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1573 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1574 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1575 break;
1576 case CHIP_JUNIPER:
1577 rdev->config.evergreen.num_ses = 1;
1578 rdev->config.evergreen.max_pipes = 4;
1579 rdev->config.evergreen.max_tile_pipes = 4;
1580 rdev->config.evergreen.max_simds = 10;
1581 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
1582 rdev->config.evergreen.max_gprs = 256;
1583 rdev->config.evergreen.max_threads = 248;
1584 rdev->config.evergreen.max_gs_threads = 32;
1585 rdev->config.evergreen.max_stack_entries = 512;
1586 rdev->config.evergreen.sx_num_of_sets = 4;
1587 rdev->config.evergreen.sx_max_export_size = 256;
1588 rdev->config.evergreen.sx_max_export_pos_size = 64;
1589 rdev->config.evergreen.sx_max_export_smx_size = 192;
1590 rdev->config.evergreen.max_hw_contexts = 8;
1591 rdev->config.evergreen.sq_num_cf_insts = 2;
1592
1593 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1594 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1595 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1596 break;
1597 case CHIP_REDWOOD:
1598 rdev->config.evergreen.num_ses = 1;
1599 rdev->config.evergreen.max_pipes = 4;
1600 rdev->config.evergreen.max_tile_pipes = 4;
1601 rdev->config.evergreen.max_simds = 5;
1602 rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
1603 rdev->config.evergreen.max_gprs = 256;
1604 rdev->config.evergreen.max_threads = 248;
1605 rdev->config.evergreen.max_gs_threads = 32;
1606 rdev->config.evergreen.max_stack_entries = 256;
1607 rdev->config.evergreen.sx_num_of_sets = 4;
1608 rdev->config.evergreen.sx_max_export_size = 256;
1609 rdev->config.evergreen.sx_max_export_pos_size = 64;
1610 rdev->config.evergreen.sx_max_export_smx_size = 192;
1611 rdev->config.evergreen.max_hw_contexts = 8;
1612 rdev->config.evergreen.sq_num_cf_insts = 2;
1613
1614 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1615 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1616 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1617 break;
1618 case CHIP_CEDAR:
1619 default:
1620 rdev->config.evergreen.num_ses = 1;
1621 rdev->config.evergreen.max_pipes = 2;
1622 rdev->config.evergreen.max_tile_pipes = 2;
1623 rdev->config.evergreen.max_simds = 2;
1624 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1625 rdev->config.evergreen.max_gprs = 256;
1626 rdev->config.evergreen.max_threads = 192;
1627 rdev->config.evergreen.max_gs_threads = 16;
1628 rdev->config.evergreen.max_stack_entries = 256;
1629 rdev->config.evergreen.sx_num_of_sets = 4;
1630 rdev->config.evergreen.sx_max_export_size = 128;
1631 rdev->config.evergreen.sx_max_export_pos_size = 32;
1632 rdev->config.evergreen.sx_max_export_smx_size = 96;
1633 rdev->config.evergreen.max_hw_contexts = 4;
1634 rdev->config.evergreen.sq_num_cf_insts = 1;
1635
d5e455e4
AD		 1636 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1637 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1638 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1639 break;
1640 case CHIP_PALM:
1641 rdev->config.evergreen.num_ses = 1;
1642 rdev->config.evergreen.max_pipes = 2;
1643 rdev->config.evergreen.max_tile_pipes = 2;
1644 rdev->config.evergreen.max_simds = 2;
1645 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1646 rdev->config.evergreen.max_gprs = 256;
1647 rdev->config.evergreen.max_threads = 192;
1648 rdev->config.evergreen.max_gs_threads = 16;
1649 rdev->config.evergreen.max_stack_entries = 256;
1650 rdev->config.evergreen.sx_num_of_sets = 4;
1651 rdev->config.evergreen.sx_max_export_size = 128;
1652 rdev->config.evergreen.sx_max_export_pos_size = 32;
1653 rdev->config.evergreen.sx_max_export_smx_size = 96;
1654 rdev->config.evergreen.max_hw_contexts = 4;
1655 rdev->config.evergreen.sq_num_cf_insts = 1;
1656
adb68fa2
AD		 1657 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1658 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1659 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1660 break;
1661 case CHIP_BARTS:
1662 rdev->config.evergreen.num_ses = 2;
1663 rdev->config.evergreen.max_pipes = 4;
1664 rdev->config.evergreen.max_tile_pipes = 8;
1665 rdev->config.evergreen.max_simds = 7;
1666 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
1667 rdev->config.evergreen.max_gprs = 256;
1668 rdev->config.evergreen.max_threads = 248;
1669 rdev->config.evergreen.max_gs_threads = 32;
1670 rdev->config.evergreen.max_stack_entries = 512;
1671 rdev->config.evergreen.sx_num_of_sets = 4;
1672 rdev->config.evergreen.sx_max_export_size = 256;
1673 rdev->config.evergreen.sx_max_export_pos_size = 64;
1674 rdev->config.evergreen.sx_max_export_smx_size = 192;
1675 rdev->config.evergreen.max_hw_contexts = 8;
1676 rdev->config.evergreen.sq_num_cf_insts = 2;
1677
1678 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1679 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1680 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1681 break;
1682 case CHIP_TURKS:
1683 rdev->config.evergreen.num_ses = 1;
1684 rdev->config.evergreen.max_pipes = 4;
1685 rdev->config.evergreen.max_tile_pipes = 4;
1686 rdev->config.evergreen.max_simds = 6;
1687 rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
1688 rdev->config.evergreen.max_gprs = 256;
1689 rdev->config.evergreen.max_threads = 248;
1690 rdev->config.evergreen.max_gs_threads = 32;
1691 rdev->config.evergreen.max_stack_entries = 256;
1692 rdev->config.evergreen.sx_num_of_sets = 4;
1693 rdev->config.evergreen.sx_max_export_size = 256;
1694 rdev->config.evergreen.sx_max_export_pos_size = 64;
1695 rdev->config.evergreen.sx_max_export_smx_size = 192;
1696 rdev->config.evergreen.max_hw_contexts = 8;
1697 rdev->config.evergreen.sq_num_cf_insts = 2;
1698
1699 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1700 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1701 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1702 break;
1703 case CHIP_CAICOS:
1704 rdev->config.evergreen.num_ses = 1;
1705 rdev->config.evergreen.max_pipes = 4;
1706 rdev->config.evergreen.max_tile_pipes = 2;
1707 rdev->config.evergreen.max_simds = 2;
1708 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1709 rdev->config.evergreen.max_gprs = 256;
1710 rdev->config.evergreen.max_threads = 192;
1711 rdev->config.evergreen.max_gs_threads = 16;
1712 rdev->config.evergreen.max_stack_entries = 256;
1713 rdev->config.evergreen.sx_num_of_sets = 4;
1714 rdev->config.evergreen.sx_max_export_size = 128;
1715 rdev->config.evergreen.sx_max_export_pos_size = 32;
1716 rdev->config.evergreen.sx_max_export_smx_size = 96;
1717 rdev->config.evergreen.max_hw_contexts = 4;
1718 rdev->config.evergreen.sq_num_cf_insts = 1;
1719
32fcdbf4
AD		 1720 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1721 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1722 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1723 break;
1724 }
1725
1726 /* Initialize HDP */
1727 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1728 WREG32((0x2c14 + j), 0x00000000);
1729 WREG32((0x2c18 + j), 0x00000000);
1730 WREG32((0x2c1c + j), 0x00000000);
1731 WREG32((0x2c20 + j), 0x00000000);
1732 WREG32((0x2c24 + j), 0x00000000);
1733 }
1734
1735 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1736
1737 cc_gc_shader_pipe_config = RREG32(CC_GC_SHADER_PIPE_CONFIG) & ~2;
1738
1739 cc_gc_shader_pipe_config |=
1740 INACTIVE_QD_PIPES((EVERGREEN_MAX_PIPES_MASK << rdev->config.evergreen.max_pipes)
1741 & EVERGREEN_MAX_PIPES_MASK);
1742 cc_gc_shader_pipe_config |=
1743 INACTIVE_SIMDS((EVERGREEN_MAX_SIMDS_MASK << rdev->config.evergreen.max_simds)
1744 & EVERGREEN_MAX_SIMDS_MASK);
1745
1746 cc_rb_backend_disable =
1747 BACKEND_DISABLE((EVERGREEN_MAX_BACKENDS_MASK << rdev->config.evergreen.max_backends)
1748 & EVERGREEN_MAX_BACKENDS_MASK);
1749
1750
1751 mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
1752 mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1753
1754 switch (rdev->config.evergreen.max_tile_pipes) {
1755 case 1:
1756 default:
1757 gb_addr_config |= NUM_PIPES(0);
1758 break;
1759 case 2:
1760 gb_addr_config |= NUM_PIPES(1);
1761 break;
1762 case 4:
1763 gb_addr_config |= NUM_PIPES(2);
1764 break;
1765 case 8:
1766 gb_addr_config |= NUM_PIPES(3);
1767 break;
1768 }
1769
1770 gb_addr_config |= PIPE_INTERLEAVE_SIZE((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT);
1771 gb_addr_config |= BANK_INTERLEAVE_SIZE(0);
1772 gb_addr_config |= NUM_SHADER_ENGINES(rdev->config.evergreen.num_ses - 1);
1773 gb_addr_config |= SHADER_ENGINE_TILE_SIZE(1);
1774 gb_addr_config |= NUM_GPUS(0); /* Hemlock? */
1775 gb_addr_config |= MULTI_GPU_TILE_SIZE(2);
1776
1777 if (((mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT) > 2)
1778 gb_addr_config |= ROW_SIZE(2);
1779 else
1780 gb_addr_config |= ROW_SIZE((mc_arb_ramcfg & NOOFCOLS_MASK) >> NOOFCOLS_SHIFT);
1781
1782 if (rdev->ddev->pdev->device == 0x689e) {
1783 u32 efuse_straps_4;
1784 u32 efuse_straps_3;
1785 u8 efuse_box_bit_131_124;
1786
1787 WREG32(RCU_IND_INDEX, 0x204);
1788 efuse_straps_4 = RREG32(RCU_IND_DATA);
1789 WREG32(RCU_IND_INDEX, 0x203);
1790 efuse_straps_3 = RREG32(RCU_IND_DATA);
1791 efuse_box_bit_131_124 = (u8)(((efuse_straps_4 & 0xf) << 4) | ((efuse_straps_3 & 0xf0000000) >> 28));
1792
1793 switch(efuse_box_bit_131_124) {
1794 case 0x00:
1795 gb_backend_map = 0x76543210;
1796 break;
1797 case 0x55:
1798 gb_backend_map = 0x77553311;
1799 break;
1800 case 0x56:
1801 gb_backend_map = 0x77553300;
1802 break;
1803 case 0x59:
1804 gb_backend_map = 0x77552211;
1805 break;
1806 case 0x66:
1807 gb_backend_map = 0x77443300;
1808 break;
1809 case 0x99:
1810 gb_backend_map = 0x66552211;
1811 break;
1812 case 0x5a:
1813 gb_backend_map = 0x77552200;
1814 break;
1815 case 0xaa:
1816 gb_backend_map = 0x66442200;
1817 break;
1818 case 0x95:
1819 gb_backend_map = 0x66553311;
1820 break;
1821 default:
1822 DRM_ERROR("bad backend map, using default\n");
1823 gb_backend_map =
1824 evergreen_get_tile_pipe_to_backend_map(rdev,
1825 rdev->config.evergreen.max_tile_pipes,
1826 rdev->config.evergreen.max_backends,
1827 ((EVERGREEN_MAX_BACKENDS_MASK <<
1828 rdev->config.evergreen.max_backends) &
1829 EVERGREEN_MAX_BACKENDS_MASK));
1830 break;
1831 }
1832 } else if (rdev->ddev->pdev->device == 0x68b9) {
1833 u32 efuse_straps_3;
1834 u8 efuse_box_bit_127_124;
1835
1836 WREG32(RCU_IND_INDEX, 0x203);
1837 efuse_straps_3 = RREG32(RCU_IND_DATA);
d31dba58 1838 efuse_box_bit_127_124 = (u8)((efuse_straps_3 & 0xF0000000) >> 28);
32fcdbf4
AD		 1839
1840 switch(efuse_box_bit_127_124) {
1841 case 0x0:
1842 gb_backend_map = 0x00003210;
1843 break;
1844 case 0x5:
1845 case 0x6:
1846 case 0x9:
1847 case 0xa:
1848 gb_backend_map = 0x00003311;
1849 break;
1850 default:
1851 DRM_ERROR("bad backend map, using default\n");
1852 gb_backend_map =
1853 evergreen_get_tile_pipe_to_backend_map(rdev,
1854 rdev->config.evergreen.max_tile_pipes,
1855 rdev->config.evergreen.max_backends,
1856 ((EVERGREEN_MAX_BACKENDS_MASK <<
1857 rdev->config.evergreen.max_backends) &
1858 EVERGREEN_MAX_BACKENDS_MASK));
1859 break;
1860 }
b741be82
AD		 1861 } else {
1862 switch (rdev->family) {
1863 case CHIP_CYPRESS:
1864 case CHIP_HEMLOCK:
03f40090 1865 case CHIP_BARTS:
b741be82
AD		 1866 gb_backend_map = 0x66442200;
1867 break;
1868 case CHIP_JUNIPER:
1869 gb_backend_map = 0x00006420;
1870 break;
1871 default:
1872 gb_backend_map =
1873 evergreen_get_tile_pipe_to_backend_map(rdev,
1874 rdev->config.evergreen.max_tile_pipes,
1875 rdev->config.evergreen.max_backends,
1876 ((EVERGREEN_MAX_BACKENDS_MASK <<
1877 rdev->config.evergreen.max_backends) &
1878 EVERGREEN_MAX_BACKENDS_MASK));
1879 }
1880 }
32fcdbf4 1881
1aa52bd3
AD		 1882 /* setup tiling info dword. gb_addr_config is not adequate since it does
1883 * not have bank info, so create a custom tiling dword.
1884 * bits 3:0 num_pipes
1885 * bits 7:4 num_banks
1886 * bits 11:8 group_size
1887 * bits 15:12 row_size
1888 */
1889 rdev->config.evergreen.tile_config = 0;
1890 switch (rdev->config.evergreen.max_tile_pipes) {
1891 case 1:
1892 default:
1893 rdev->config.evergreen.tile_config |= (0 << 0);
1894 break;
1895 case 2:
1896 rdev->config.evergreen.tile_config |= (1 << 0);
1897 break;
1898 case 4:
1899 rdev->config.evergreen.tile_config |= (2 << 0);
1900 break;
1901 case 8:
1902 rdev->config.evergreen.tile_config |= (3 << 0);
1903 break;
1904 }
1905 rdev->config.evergreen.tile_config |=
1906 ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4;
1907 rdev->config.evergreen.tile_config |=
1908 ((mc_arb_ramcfg & BURSTLENGTH_MASK) >> BURSTLENGTH_SHIFT) << 8;
1909 rdev->config.evergreen.tile_config |=
1910 ((gb_addr_config & 0x30000000) >> 28) << 12;
1911
32fcdbf4
AD		 1912 WREG32(GB_BACKEND_MAP, gb_backend_map);
1913 WREG32(GB_ADDR_CONFIG, gb_addr_config);
1914 WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
1915 WREG32(HDP_ADDR_CONFIG, gb_addr_config);
1916
9535ab73
AD		 1917 evergreen_program_channel_remap(rdev);
1918
32fcdbf4
AD		 1919 num_shader_engines = ((RREG32(GB_ADDR_CONFIG) & NUM_SHADER_ENGINES(3)) >> 12) + 1;
1920 grbm_gfx_index = INSTANCE_BROADCAST_WRITES;
1921
1922 for (i = 0; i < rdev->config.evergreen.num_ses; i++) {
1923 u32 rb = cc_rb_backend_disable | (0xf0 << 16);
1924 u32 sp = cc_gc_shader_pipe_config;
1925 u32 gfx = grbm_gfx_index | SE_INDEX(i);
1926
1927 if (i == num_shader_engines) {
1928 rb |= BACKEND_DISABLE(EVERGREEN_MAX_BACKENDS_MASK);
1929 sp |= INACTIVE_SIMDS(EVERGREEN_MAX_SIMDS_MASK);
1930 }
1931
1932 WREG32(GRBM_GFX_INDEX, gfx);
1933 WREG32(RLC_GFX_INDEX, gfx);
1934
1935 WREG32(CC_RB_BACKEND_DISABLE, rb);
1936 WREG32(CC_SYS_RB_BACKEND_DISABLE, rb);
1937 WREG32(GC_USER_RB_BACKEND_DISABLE, rb);
1938 WREG32(CC_GC_SHADER_PIPE_CONFIG, sp);
1939 }
1940
1941 grbm_gfx_index |= SE_BROADCAST_WRITES;
1942 WREG32(GRBM_GFX_INDEX, grbm_gfx_index);
1943 WREG32(RLC_GFX_INDEX, grbm_gfx_index);
1944
1945 WREG32(CGTS_SYS_TCC_DISABLE, 0);
1946 WREG32(CGTS_TCC_DISABLE, 0);
1947 WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
1948 WREG32(CGTS_USER_TCC_DISABLE, 0);
1949
1950 /* set HW defaults for 3D engine */
1951 WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
1952 ROQ_IB2_START(0x2b)));
1953
1954 WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
1955
1956 WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
1957 SYNC_GRADIENT |
1958 SYNC_WALKER |
1959 SYNC_ALIGNER));
1960
1961 sx_debug_1 = RREG32(SX_DEBUG_1);
1962 sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
1963 WREG32(SX_DEBUG_1, sx_debug_1);
1964
1965
1966 smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
1967 smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
1968 smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets);
1969 WREG32(SMX_DC_CTL0, smx_dc_ctl0);
1970
1971 WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) |
1972 POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) |
1973 SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1)));
1974
1975 WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) |
1976 SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) |
1977 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size)));
1978
1979 WREG32(VGT_NUM_INSTANCES, 1);
1980 WREG32(SPI_CONFIG_CNTL, 0);
1981 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
1982 WREG32(CP_PERFMON_CNTL, 0);
1983
1984 WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) |
1985 FETCH_FIFO_HIWATER(0x4) |
1986 DONE_FIFO_HIWATER(0xe0) |
1987 ALU_UPDATE_FIFO_HIWATER(0x8)));
1988
1989 sq_config = RREG32(SQ_CONFIG);
1990 sq_config &= ~(PS_PRIO(3) |
1991 VS_PRIO(3) |
1992 GS_PRIO(3) |
1993 ES_PRIO(3));
1994 sq_config |= (VC_ENABLE |
1995 EXPORT_SRC_C |
1996 PS_PRIO(0) |
1997 VS_PRIO(1) |
1998 GS_PRIO(2) |
1999 ES_PRIO(3));
2000
d5e455e4
AD		 2001 switch (rdev->family) {
2002 case CHIP_CEDAR:
2003 case CHIP_PALM:
adb68fa2 2004 case CHIP_CAICOS:
32fcdbf4
AD		 2005 /* no vertex cache */
2006 sq_config &= ~VC_ENABLE;
d5e455e4
AD		 2007 break;
2008 default:
2009 break;
2010 }
32fcdbf4
AD		 2011
2012 sq_lds_resource_mgmt = RREG32(SQ_LDS_RESOURCE_MGMT);
2013
2014 sq_gpr_resource_mgmt_1 = NUM_PS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2))* 12 / 32);
2015 sq_gpr_resource_mgmt_1 |= NUM_VS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 6 / 32);
2016 sq_gpr_resource_mgmt_1 |= NUM_CLAUSE_TEMP_GPRS(4);
2017 sq_gpr_resource_mgmt_2 = NUM_GS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
2018 sq_gpr_resource_mgmt_2 |= NUM_ES_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
2019 sq_gpr_resource_mgmt_3 = NUM_HS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
2020 sq_gpr_resource_mgmt_3 |= NUM_LS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
2021
d5e455e4
AD		 2022 switch (rdev->family) {
2023 case CHIP_CEDAR:
2024 case CHIP_PALM:
32fcdbf4 2025 ps_thread_count = 96;
d5e455e4
AD		 2026 break;
2027 default:
32fcdbf4 2028 ps_thread_count = 128;
d5e455e4
AD		 2029 break;
2030 }
32fcdbf4
AD		 2031
2032 sq_thread_resource_mgmt = NUM_PS_THREADS(ps_thread_count);
f96b35cd
AD		 2033 sq_thread_resource_mgmt |= NUM_VS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2034 sq_thread_resource_mgmt |= NUM_GS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2035 sq_thread_resource_mgmt |= NUM_ES_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2036 sq_thread_resource_mgmt_2 = NUM_HS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2037 sq_thread_resource_mgmt_2 |= NUM_LS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
32fcdbf4
AD		 2038
2039 sq_stack_resource_mgmt_1 = NUM_PS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2040 sq_stack_resource_mgmt_1 |= NUM_VS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2041 sq_stack_resource_mgmt_2 = NUM_GS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2042 sq_stack_resource_mgmt_2 |= NUM_ES_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2043 sq_stack_resource_mgmt_3 = NUM_HS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2044 sq_stack_resource_mgmt_3 |= NUM_LS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2045
2046 WREG32(SQ_CONFIG, sq_config);
2047 WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
2048 WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
2049 WREG32(SQ_GPR_RESOURCE_MGMT_3, sq_gpr_resource_mgmt_3);
2050 WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
2051 WREG32(SQ_THREAD_RESOURCE_MGMT_2, sq_thread_resource_mgmt_2);
2052 WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
2053 WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
2054 WREG32(SQ_STACK_RESOURCE_MGMT_3, sq_stack_resource_mgmt_3);
2055 WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0);
2056 WREG32(SQ_LDS_RESOURCE_MGMT, sq_lds_resource_mgmt);
2057
2058 WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
2059 FORCE_EOV_MAX_REZ_CNT(255)));
2060
d5e455e4
AD		 2061 switch (rdev->family) {
2062 case CHIP_CEDAR:
2063 case CHIP_PALM:
adb68fa2 2064 case CHIP_CAICOS:
32fcdbf4 2065 vgt_cache_invalidation = CACHE_INVALIDATION(TC_ONLY);
d5e455e4
AD		 2066 break;
2067 default:
32fcdbf4 2068 vgt_cache_invalidation = CACHE_INVALIDATION(VC_AND_TC);
d5e455e4
AD		 2069 break;
2070 }
32fcdbf4
AD		 2071 vgt_cache_invalidation |= AUTO_INVLD_EN(ES_AND_GS_AUTO);
2072 WREG32(VGT_CACHE_INVALIDATION, vgt_cache_invalidation);
2073
2074 WREG32(VGT_GS_VERTEX_REUSE, 16);
2075 WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
2076
60a4a3e0
AD		 2077 WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, 14);
2078 WREG32(VGT_OUT_DEALLOC_CNTL, 16);
2079
32fcdbf4
AD		 2080 WREG32(CB_PERF_CTR0_SEL_0, 0);
2081 WREG32(CB_PERF_CTR0_SEL_1, 0);
2082 WREG32(CB_PERF_CTR1_SEL_0, 0);
2083 WREG32(CB_PERF_CTR1_SEL_1, 0);
2084 WREG32(CB_PERF_CTR2_SEL_0, 0);
2085 WREG32(CB_PERF_CTR2_SEL_1, 0);
2086 WREG32(CB_PERF_CTR3_SEL_0, 0);
2087 WREG32(CB_PERF_CTR3_SEL_1, 0);
2088
60a4a3e0
AD		 2089 /* clear render buffer base addresses */
2090 WREG32(CB_COLOR0_BASE, 0);
2091 WREG32(CB_COLOR1_BASE, 0);
2092 WREG32(CB_COLOR2_BASE, 0);
2093 WREG32(CB_COLOR3_BASE, 0);
2094 WREG32(CB_COLOR4_BASE, 0);
2095 WREG32(CB_COLOR5_BASE, 0);
2096 WREG32(CB_COLOR6_BASE, 0);
2097 WREG32(CB_COLOR7_BASE, 0);
2098 WREG32(CB_COLOR8_BASE, 0);
2099 WREG32(CB_COLOR9_BASE, 0);
2100 WREG32(CB_COLOR10_BASE, 0);
2101 WREG32(CB_COLOR11_BASE, 0);
2102
2103 /* set the shader const cache sizes to 0 */
2104 for (i = SQ_ALU_CONST_BUFFER_SIZE_PS_0; i < 0x28200; i += 4)
2105 WREG32(i, 0);
2106 for (i = SQ_ALU_CONST_BUFFER_SIZE_HS_0; i < 0x29000; i += 4)
2107 WREG32(i, 0);
2108
32fcdbf4
AD		 2109 hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
2110 WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
2111
2112 WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
2113
2114 udelay(50);
2115
bcc1c2a1
AD		 2116}
2117
2118int evergreen_mc_init(struct radeon_device *rdev)
2119{
bcc1c2a1
AD		 2120 u32 tmp;
2121 int chansize, numchan;
bcc1c2a1
AD		 2122
2123 /* Get VRAM informations */
2124 rdev->mc.vram_is_ddr = true;
2125 tmp = RREG32(MC_ARB_RAMCFG);
2126 if (tmp & CHANSIZE_OVERRIDE) {
2127 chansize = 16;
2128 } else if (tmp & CHANSIZE_MASK) {
2129 chansize = 64;
2130 } else {
2131 chansize = 32;
2132 }
2133 tmp = RREG32(MC_SHARED_CHMAP);
2134 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
2135 case 0:
2136 default:
2137 numchan = 1;
2138 break;
2139 case 1:
2140 numchan = 2;
2141 break;
2142 case 2:
2143 numchan = 4;
2144 break;
2145 case 3:
2146 numchan = 8;
2147 break;
2148 }
2149 rdev->mc.vram_width = numchan * chansize;
2150 /* Could aper size report 0 ? */
01d73a69
JC		 2151 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
2152 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
bcc1c2a1 2153 /* Setup GPU memory space */
6eb18f8b
AD		 2154 if (rdev->flags & RADEON_IS_IGP) {
2155 /* size in bytes on fusion */
2156 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
2157 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
2158 } else {
2159 /* size in MB on evergreen */
2160 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
2161 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
2162 }
51e5fcd3 2163 rdev->mc.visible_vram_size = rdev->mc.aper_size;
c919b371 2164 rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
0ef0c1f7 2165 r700_vram_gtt_location(rdev, &rdev->mc);
f47299c5
AD		 2166 radeon_update_bandwidth_info(rdev);
2167
bcc1c2a1
AD		 2168 return 0;
2169}
d594e46a 2170
225758d8
JG		 2171bool evergreen_gpu_is_lockup(struct radeon_device *rdev)
2172{
17db7042
AD		 2173 u32 srbm_status;
2174 u32 grbm_status;
2175 u32 grbm_status_se0, grbm_status_se1;
2176 struct r100_gpu_lockup *lockup = &rdev->config.evergreen.lockup;
2177 int r;
2178
2179 srbm_status = RREG32(SRBM_STATUS);
2180 grbm_status = RREG32(GRBM_STATUS);
2181 grbm_status_se0 = RREG32(GRBM_STATUS_SE0);
2182 grbm_status_se1 = RREG32(GRBM_STATUS_SE1);
2183 if (!(grbm_status & GUI_ACTIVE)) {
2184 r100_gpu_lockup_update(lockup, &rdev->cp);
2185 return false;
2186 }
2187 /* force CP activities */
2188 r = radeon_ring_lock(rdev, 2);
2189 if (!r) {
2190 /* PACKET2 NOP */
2191 radeon_ring_write(rdev, 0x80000000);
2192 radeon_ring_write(rdev, 0x80000000);
2193 radeon_ring_unlock_commit(rdev);
2194 }
2195 rdev->cp.rptr = RREG32(CP_RB_RPTR);
2196 return r100_gpu_cp_is_lockup(rdev, lockup, &rdev->cp);
225758d8
JG		 2197}
2198
747943ea 2199static int evergreen_gpu_soft_reset(struct radeon_device *rdev)
bcc1c2a1 2200{
747943ea 2201 struct evergreen_mc_save save;
747943ea
AD		 2202 u32 grbm_reset = 0;
2203
8d96fe93
AD		 2204 if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
2205 return 0;
2206
747943ea
AD		 2207 dev_info(rdev->dev, "GPU softreset \n");
2208 dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
2209 RREG32(GRBM_STATUS));
2210 dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
2211 RREG32(GRBM_STATUS_SE0));
2212 dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
2213 RREG32(GRBM_STATUS_SE1));
2214 dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
2215 RREG32(SRBM_STATUS));
2216 evergreen_mc_stop(rdev, &save);
2217 if (evergreen_mc_wait_for_idle(rdev)) {
2218 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
2219 }
2220 /* Disable CP parsing/prefetching */
2221 WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
2222
2223 /* reset all the gfx blocks */
2224 grbm_reset = (SOFT_RESET_CP |
2225 SOFT_RESET_CB |
2226 SOFT_RESET_DB |
2227 SOFT_RESET_PA |
2228 SOFT_RESET_SC |
2229 SOFT_RESET_SPI |
2230 SOFT_RESET_SH |
2231 SOFT_RESET_SX |
2232 SOFT_RESET_TC |
2233 SOFT_RESET_TA |
2234 SOFT_RESET_VC |
2235 SOFT_RESET_VGT);
2236
2237 dev_info(rdev->dev, " GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
2238 WREG32(GRBM_SOFT_RESET, grbm_reset);
2239 (void)RREG32(GRBM_SOFT_RESET);
2240 udelay(50);
2241 WREG32(GRBM_SOFT_RESET, 0);
2242 (void)RREG32(GRBM_SOFT_RESET);
747943ea
AD		 2243 /* Wait a little for things to settle down */
2244 udelay(50);
2245 dev_info(rdev->dev, " GRBM_STATUS=0x%08X\n",
2246 RREG32(GRBM_STATUS));
2247 dev_info(rdev->dev, " GRBM_STATUS_SE0=0x%08X\n",
2248 RREG32(GRBM_STATUS_SE0));
2249 dev_info(rdev->dev, " GRBM_STATUS_SE1=0x%08X\n",
2250 RREG32(GRBM_STATUS_SE1));
2251 dev_info(rdev->dev, " SRBM_STATUS=0x%08X\n",
2252 RREG32(SRBM_STATUS));
747943ea 2253 evergreen_mc_resume(rdev, &save);
bcc1c2a1
AD		 2254 return 0;
2255}
2256
a2d07b74 2257int evergreen_asic_reset(struct radeon_device *rdev)
bcc1c2a1 2258{
747943ea
AD		 2259 return evergreen_gpu_soft_reset(rdev);
2260}
2261
45f9a39b
AD		 2262/* Interrupts */
2263
2264u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc)
2265{
2266 switch (crtc) {
2267 case 0:
2268 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC0_REGISTER_OFFSET);
2269 case 1:
2270 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC1_REGISTER_OFFSET);
2271 case 2:
2272 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC2_REGISTER_OFFSET);
2273 case 3:
2274 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC3_REGISTER_OFFSET);
2275 case 4:
2276 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC4_REGISTER_OFFSET);
2277 case 5:
2278 return RREG32(CRTC_STATUS_FRAME_COUNT + EVERGREEN_CRTC5_REGISTER_OFFSET);
2279 default:
2280 return 0;
2281 }
2282}
2283
2284void evergreen_disable_interrupt_state(struct radeon_device *rdev)
2285{
2286 u32 tmp;
2287
3555e53b 2288 WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
45f9a39b
AD		 2289 WREG32(GRBM_INT_CNTL, 0);
2290 WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
2291 WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
18007401
AD		 2292 if (!(rdev->flags & RADEON_IS_IGP)) {
2293 WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
2294 WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
2295 WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
2296 WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
2297 }
45f9a39b
AD		 2298
2299 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
2300 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
18007401
AD		 2301 if (!(rdev->flags & RADEON_IS_IGP)) {
2302 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
2303 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
2304 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
2305 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
2306 }
45f9a39b
AD		 2307
2308 WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
2309 WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
2310
2311 tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2312 WREG32(DC_HPD1_INT_CONTROL, tmp);
2313 tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2314 WREG32(DC_HPD2_INT_CONTROL, tmp);
2315 tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2316 WREG32(DC_HPD3_INT_CONTROL, tmp);
2317 tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2318 WREG32(DC_HPD4_INT_CONTROL, tmp);
2319 tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2320 WREG32(DC_HPD5_INT_CONTROL, tmp);
2321 tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2322 WREG32(DC_HPD6_INT_CONTROL, tmp);
2323
2324}
2325
2326int evergreen_irq_set(struct radeon_device *rdev)
2327{
2328 u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
2329 u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
2330 u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6;
2031f77c 2331 u32 grbm_int_cntl = 0;
6f34be50 2332 u32 grph1 = 0, grph2 = 0, grph3 = 0, grph4 = 0, grph5 = 0, grph6 = 0;
45f9a39b
AD		 2333
2334 if (!rdev->irq.installed) {
fce7d61b 2335 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
45f9a39b
AD		 2336 return -EINVAL;
2337 }
2338 /* don't enable anything if the ih is disabled */
2339 if (!rdev->ih.enabled) {
2340 r600_disable_interrupts(rdev);
2341 /* force the active interrupt state to all disabled */
2342 evergreen_disable_interrupt_state(rdev);
2343 return 0;
2344 }
2345
2346 hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
2347 hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
2348 hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
2349 hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
2350 hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
2351 hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
2352
2353 if (rdev->irq.sw_int) {
2354 DRM_DEBUG("evergreen_irq_set: sw int\n");
2355 cp_int_cntl |= RB_INT_ENABLE;
d0f8a854 2356 cp_int_cntl |= TIME_STAMP_INT_ENABLE;
45f9a39b 2357 }
6f34be50
AD		 2358 if (rdev->irq.crtc_vblank_int[0] ||
2359 rdev->irq.pflip[0]) {
45f9a39b
AD		 2360 DRM_DEBUG("evergreen_irq_set: vblank 0\n");
2361 crtc1 |= VBLANK_INT_MASK;
2362 }
6f34be50
AD		 2363 if (rdev->irq.crtc_vblank_int[1] ||
2364 rdev->irq.pflip[1]) {
45f9a39b
AD		 2365 DRM_DEBUG("evergreen_irq_set: vblank 1\n");
2366 crtc2 |= VBLANK_INT_MASK;
2367 }
6f34be50
AD		 2368 if (rdev->irq.crtc_vblank_int[2] ||
2369 rdev->irq.pflip[2]) {
45f9a39b
AD		 2370 DRM_DEBUG("evergreen_irq_set: vblank 2\n");
2371 crtc3 |= VBLANK_INT_MASK;
2372 }
6f34be50
AD		 2373 if (rdev->irq.crtc_vblank_int[3] ||
2374 rdev->irq.pflip[3]) {
45f9a39b
AD		 2375 DRM_DEBUG("evergreen_irq_set: vblank 3\n");
2376 crtc4 |= VBLANK_INT_MASK;
2377 }
6f34be50
AD		 2378 if (rdev->irq.crtc_vblank_int[4] ||
2379 rdev->irq.pflip[4]) {
45f9a39b
AD		 2380 DRM_DEBUG("evergreen_irq_set: vblank 4\n");
2381 crtc5 |= VBLANK_INT_MASK;
2382 }
6f34be50
AD		 2383 if (rdev->irq.crtc_vblank_int[5] ||
2384 rdev->irq.pflip[5]) {
45f9a39b
AD		 2385 DRM_DEBUG("evergreen_irq_set: vblank 5\n");
2386 crtc6 |= VBLANK_INT_MASK;
2387 }
2388 if (rdev->irq.hpd[0]) {
2389 DRM_DEBUG("evergreen_irq_set: hpd 1\n");
2390 hpd1 |= DC_HPDx_INT_EN;
2391 }
2392 if (rdev->irq.hpd[1]) {
2393 DRM_DEBUG("evergreen_irq_set: hpd 2\n");
2394 hpd2 |= DC_HPDx_INT_EN;
2395 }
2396 if (rdev->irq.hpd[2]) {
2397 DRM_DEBUG("evergreen_irq_set: hpd 3\n");
2398 hpd3 |= DC_HPDx_INT_EN;
2399 }
2400 if (rdev->irq.hpd[3]) {
2401 DRM_DEBUG("evergreen_irq_set: hpd 4\n");
2402 hpd4 |= DC_HPDx_INT_EN;
2403 }
2404 if (rdev->irq.hpd[4]) {
2405 DRM_DEBUG("evergreen_irq_set: hpd 5\n");
2406 hpd5 |= DC_HPDx_INT_EN;
2407 }
2408 if (rdev->irq.hpd[5]) {
2409 DRM_DEBUG("evergreen_irq_set: hpd 6\n");
2410 hpd6 |= DC_HPDx_INT_EN;
2411 }
2031f77c
AD		 2412 if (rdev->irq.gui_idle) {
2413 DRM_DEBUG("gui idle\n");
2414 grbm_int_cntl |= GUI_IDLE_INT_ENABLE;
2415 }
45f9a39b
AD		 2416
2417 WREG32(CP_INT_CNTL, cp_int_cntl);
2031f77c 2418 WREG32(GRBM_INT_CNTL, grbm_int_cntl);
45f9a39b
AD		 2419
2420 WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
2421 WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
18007401
AD		 2422 if (!(rdev->flags & RADEON_IS_IGP)) {
2423 WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3);
2424 WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4);
2425 WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5);
2426 WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6);
2427 }
45f9a39b 2428
6f34be50
AD		 2429 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, grph1);
2430 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, grph2);
2431 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, grph3);
2432 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, grph4);
2433 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, grph5);
2434 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, grph6);
2435
45f9a39b
AD		 2436 WREG32(DC_HPD1_INT_CONTROL, hpd1);
2437 WREG32(DC_HPD2_INT_CONTROL, hpd2);
2438 WREG32(DC_HPD3_INT_CONTROL, hpd3);
2439 WREG32(DC_HPD4_INT_CONTROL, hpd4);
2440 WREG32(DC_HPD5_INT_CONTROL, hpd5);
2441 WREG32(DC_HPD6_INT_CONTROL, hpd6);
2442
bcc1c2a1
AD		 2443 return 0;
2444}
2445
6f34be50 2446static inline void evergreen_irq_ack(struct radeon_device *rdev)
45f9a39b
AD		 2447{
2448 u32 tmp;
2449
6f34be50
AD		 2450 rdev->irq.stat_regs.evergreen.disp_int = RREG32(DISP_INTERRUPT_STATUS);
2451 rdev->irq.stat_regs.evergreen.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
2452 rdev->irq.stat_regs.evergreen.disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2);
2453 rdev->irq.stat_regs.evergreen.disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3);
2454 rdev->irq.stat_regs.evergreen.disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4);
2455 rdev->irq.stat_regs.evergreen.disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5);
2456 rdev->irq.stat_regs.evergreen.d1grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET);
2457 rdev->irq.stat_regs.evergreen.d2grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET);
2458 rdev->irq.stat_regs.evergreen.d3grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET);
2459 rdev->irq.stat_regs.evergreen.d4grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET);
2460 rdev->irq.stat_regs.evergreen.d5grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET);
2461 rdev->irq.stat_regs.evergreen.d6grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET);
2462
2463 if (rdev->irq.stat_regs.evergreen.d1grph_int & GRPH_PFLIP_INT_OCCURRED)
2464 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2465 if (rdev->irq.stat_regs.evergreen.d2grph_int & GRPH_PFLIP_INT_OCCURRED)
2466 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2467 if (rdev->irq.stat_regs.evergreen.d3grph_int & GRPH_PFLIP_INT_OCCURRED)
2468 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2469 if (rdev->irq.stat_regs.evergreen.d4grph_int & GRPH_PFLIP_INT_OCCURRED)
2470 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2471 if (rdev->irq.stat_regs.evergreen.d5grph_int & GRPH_PFLIP_INT_OCCURRED)
2472 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2473 if (rdev->irq.stat_regs.evergreen.d6grph_int & GRPH_PFLIP_INT_OCCURRED)
2474 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2475
2476 if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT)
45f9a39b 2477 WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK);
6f34be50 2478 if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT)
45f9a39b
AD		 2479 WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK);
2480
6f34be50 2481 if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT)
45f9a39b 2482 WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK);
6f34be50 2483 if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT)
45f9a39b
AD		 2484 WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK);
2485
6f34be50 2486 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)
45f9a39b 2487 WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK);
6f34be50 2488 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT)
45f9a39b
AD		 2489 WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK);
2490
6f34be50 2491 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)
45f9a39b 2492 WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK);
6f34be50 2493 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT)
45f9a39b
AD		 2494 WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK);
2495
6f34be50 2496 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)
45f9a39b 2497 WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK);
6f34be50 2498 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT)
45f9a39b
AD		 2499 WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK);
2500
6f34be50 2501 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)
45f9a39b 2502 WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK);
6f34be50 2503 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT)
45f9a39b
AD		 2504 WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK);
2505
6f34be50 2506 if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
45f9a39b
AD		 2507 tmp = RREG32(DC_HPD1_INT_CONTROL);
2508 tmp |= DC_HPDx_INT_ACK;
2509 WREG32(DC_HPD1_INT_CONTROL, tmp);
2510 }
6f34be50 2511 if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
45f9a39b
AD		 2512 tmp = RREG32(DC_HPD2_INT_CONTROL);
2513 tmp |= DC_HPDx_INT_ACK;
2514 WREG32(DC_HPD2_INT_CONTROL, tmp);
2515 }
6f34be50 2516 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
45f9a39b
AD		 2517 tmp = RREG32(DC_HPD3_INT_CONTROL);
2518 tmp |= DC_HPDx_INT_ACK;
2519 WREG32(DC_HPD3_INT_CONTROL, tmp);
2520 }
6f34be50 2521 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
45f9a39b
AD		 2522 tmp = RREG32(DC_HPD4_INT_CONTROL);
2523 tmp |= DC_HPDx_INT_ACK;
2524 WREG32(DC_HPD4_INT_CONTROL, tmp);
2525 }
6f34be50 2526 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
45f9a39b
AD		 2527 tmp = RREG32(DC_HPD5_INT_CONTROL);
2528 tmp |= DC_HPDx_INT_ACK;
2529 WREG32(DC_HPD5_INT_CONTROL, tmp);
2530 }
6f34be50 2531 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
45f9a39b
AD		 2532 tmp = RREG32(DC_HPD5_INT_CONTROL);
2533 tmp |= DC_HPDx_INT_ACK;
2534 WREG32(DC_HPD6_INT_CONTROL, tmp);
2535 }
2536}
2537
2538void evergreen_irq_disable(struct radeon_device *rdev)
2539{
45f9a39b
AD		 2540 r600_disable_interrupts(rdev);
2541 /* Wait and acknowledge irq */
2542 mdelay(1);
6f34be50 2543 evergreen_irq_ack(rdev);
45f9a39b
AD		 2544 evergreen_disable_interrupt_state(rdev);
2545}
2546
2547static void evergreen_irq_suspend(struct radeon_device *rdev)
2548{
2549 evergreen_irq_disable(rdev);
2550 r600_rlc_stop(rdev);
2551}
2552
2553static inline u32 evergreen_get_ih_wptr(struct radeon_device *rdev)
2554{
2555 u32 wptr, tmp;
2556
724c80e1
AD		 2557 if (rdev->wb.enabled)
2558 wptr = rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4];
2559 else
2560 wptr = RREG32(IH_RB_WPTR);
45f9a39b
AD		 2561
2562 if (wptr & RB_OVERFLOW) {
2563 /* When a ring buffer overflow happen start parsing interrupt
2564 * from the last not overwritten vector (wptr + 16). Hopefully
2565 * this should allow us to catchup.
2566 */
2567 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
2568 wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
2569 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
2570 tmp = RREG32(IH_RB_CNTL);
2571 tmp |= IH_WPTR_OVERFLOW_CLEAR;
2572 WREG32(IH_RB_CNTL, tmp);
2573 }
2574 return (wptr & rdev->ih.ptr_mask);
2575}
2576
2577int evergreen_irq_process(struct radeon_device *rdev)
2578{
2579 u32 wptr = evergreen_get_ih_wptr(rdev);
2580 u32 rptr = rdev->ih.rptr;
2581 u32 src_id, src_data;
2582 u32 ring_index;
45f9a39b
AD		 2583 unsigned long flags;
2584 bool queue_hotplug = false;
2585
2586 DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
2587 if (!rdev->ih.enabled)
2588 return IRQ_NONE;
2589
2590 spin_lock_irqsave(&rdev->ih.lock, flags);
2591
2592 if (rptr == wptr) {
2593 spin_unlock_irqrestore(&rdev->ih.lock, flags);
2594 return IRQ_NONE;
2595 }
2596 if (rdev->shutdown) {
2597 spin_unlock_irqrestore(&rdev->ih.lock, flags);
2598 return IRQ_NONE;
2599 }
2600
2601restart_ih:
2602 /* display interrupts */
6f34be50 2603 evergreen_irq_ack(rdev);
45f9a39b
AD		 2604
2605 rdev->ih.wptr = wptr;
2606 while (rptr != wptr) {
2607 /* wptr/rptr are in bytes! */
2608 ring_index = rptr / 4;
2609 src_id = rdev->ih.ring[ring_index] & 0xff;
2610 src_data = rdev->ih.ring[ring_index + 1] & 0xfffffff;
2611
2612 switch (src_id) {
2613 case 1: /* D1 vblank/vline */
2614 switch (src_data) {
2615 case 0: /* D1 vblank */
6f34be50 2616 if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT) {
6f34be50
AD		 2617 if (rdev->irq.crtc_vblank_int[0]) {
2618 drm_handle_vblank(rdev->ddev, 0);
2619 rdev->pm.vblank_sync = true;
2620 wake_up(&rdev->irq.vblank_queue);
2621 }
3e4ea742
MK		 2622 if (rdev->irq.pflip[0])
2623 radeon_crtc_handle_flip(rdev, 0);
6f34be50 2624 rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
45f9a39b
AD		 2625 DRM_DEBUG("IH: D1 vblank\n");
2626 }
2627 break;
2628 case 1: /* D1 vline */
6f34be50
AD		 2629 if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT) {
2630 rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VLINE_INTERRUPT;
45f9a39b
AD		 2631 DRM_DEBUG("IH: D1 vline\n");
2632 }
2633 break;
2634 default:
2635 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2636 break;
2637 }
2638 break;
2639 case 2: /* D2 vblank/vline */
2640 switch (src_data) {
2641 case 0: /* D2 vblank */
6f34be50 2642 if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT) {
6f34be50
AD		 2643 if (rdev->irq.crtc_vblank_int[1]) {
2644 drm_handle_vblank(rdev->ddev, 1);
2645 rdev->pm.vblank_sync = true;
2646 wake_up(&rdev->irq.vblank_queue);
2647 }
3e4ea742
MK		 2648 if (rdev->irq.pflip[1])
2649 radeon_crtc_handle_flip(rdev, 1);
6f34be50 2650 rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
45f9a39b
AD		 2651 DRM_DEBUG("IH: D2 vblank\n");
2652 }
2653 break;
2654 case 1: /* D2 vline */
6f34be50
AD		 2655 if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT) {
2656 rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT;
45f9a39b
AD		 2657 DRM_DEBUG("IH: D2 vline\n");
2658 }
2659 break;
2660 default:
2661 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2662 break;
2663 }
2664 break;
2665 case 3: /* D3 vblank/vline */
2666 switch (src_data) {
2667 case 0: /* D3 vblank */
6f34be50
AD		 2668 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) {
2669 if (rdev->irq.crtc_vblank_int[2]) {
2670 drm_handle_vblank(rdev->ddev, 2);
2671 rdev->pm.vblank_sync = true;
2672 wake_up(&rdev->irq.vblank_queue);
2673 }
2674 if (rdev->irq.pflip[2])
2675 radeon_crtc_handle_flip(rdev, 2);
2676 rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
45f9a39b
AD		 2677 DRM_DEBUG("IH: D3 vblank\n");
2678 }
2679 break;
2680 case 1: /* D3 vline */
6f34be50
AD		 2681 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) {
2682 rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT;
45f9a39b
AD		 2683 DRM_DEBUG("IH: D3 vline\n");
2684 }
2685 break;
2686 default:
2687 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2688 break;
2689 }
2690 break;
2691 case 4: /* D4 vblank/vline */
2692 switch (src_data) {
2693 case 0: /* D4 vblank */
6f34be50
AD		 2694 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) {
2695 if (rdev->irq.crtc_vblank_int[3]) {
2696 drm_handle_vblank(rdev->ddev, 3);
2697 rdev->pm.vblank_sync = true;
2698 wake_up(&rdev->irq.vblank_queue);
2699 }
2700 if (rdev->irq.pflip[3])
2701 radeon_crtc_handle_flip(rdev, 3);
2702 rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
45f9a39b
AD		 2703 DRM_DEBUG("IH: D4 vblank\n");
2704 }
2705 break;
2706 case 1: /* D4 vline */
6f34be50
AD		 2707 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) {
2708 rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT;
45f9a39b
AD		 2709 DRM_DEBUG("IH: D4 vline\n");
2710 }
2711 break;
2712 default:
2713 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2714 break;
2715 }
2716 break;
2717 case 5: /* D5 vblank/vline */
2718 switch (src_data) {
2719 case 0: /* D5 vblank */
6f34be50
AD		 2720 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) {
2721 if (rdev->irq.crtc_vblank_int[4]) {
2722 drm_handle_vblank(rdev->ddev, 4);
2723 rdev->pm.vblank_sync = true;
2724 wake_up(&rdev->irq.vblank_queue);
2725 }
2726 if (rdev->irq.pflip[4])
2727 radeon_crtc_handle_flip(rdev, 4);
2728 rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
45f9a39b
AD		 2729 DRM_DEBUG("IH: D5 vblank\n");
2730 }
2731 break;
2732 case 1: /* D5 vline */
6f34be50
AD		 2733 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) {
2734 rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT;
45f9a39b
AD		 2735 DRM_DEBUG("IH: D5 vline\n");
2736 }
2737 break;
2738 default:
2739 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2740 break;
2741 }
2742 break;
2743 case 6: /* D6 vblank/vline */
2744 switch (src_data) {
2745 case 0: /* D6 vblank */
6f34be50
AD		 2746 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) {
2747 if (rdev->irq.crtc_vblank_int[5]) {
2748 drm_handle_vblank(rdev->ddev, 5);
2749 rdev->pm.vblank_sync = true;
2750 wake_up(&rdev->irq.vblank_queue);
2751 }
2752 if (rdev->irq.pflip[5])
2753 radeon_crtc_handle_flip(rdev, 5);
2754 rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
45f9a39b
AD		 2755 DRM_DEBUG("IH: D6 vblank\n");
2756 }
2757 break;
2758 case 1: /* D6 vline */
6f34be50
AD		 2759 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) {
2760 rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT;
45f9a39b
AD		 2761 DRM_DEBUG("IH: D6 vline\n");
2762 }
2763 break;
2764 default:
2765 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2766 break;
2767 }
2768 break;
2769 case 42: /* HPD hotplug */
2770 switch (src_data) {
2771 case 0:
6f34be50
AD		 2772 if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
2773 rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_INTERRUPT;
45f9a39b
AD		 2774 queue_hotplug = true;
2775 DRM_DEBUG("IH: HPD1\n");
2776 }
2777 break;
2778 case 1:
6f34be50
AD		 2779 if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
2780 rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_INTERRUPT;
45f9a39b
AD		 2781 queue_hotplug = true;
2782 DRM_DEBUG("IH: HPD2\n");
2783 }
2784 break;
2785 case 2:
6f34be50
AD		 2786 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
2787 rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_INTERRUPT;
45f9a39b
AD		 2788 queue_hotplug = true;
2789 DRM_DEBUG("IH: HPD3\n");
2790 }
2791 break;
2792 case 3:
6f34be50
AD		 2793 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
2794 rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_INTERRUPT;
45f9a39b
AD		 2795 queue_hotplug = true;
2796 DRM_DEBUG("IH: HPD4\n");
2797 }
2798 break;
2799 case 4:
6f34be50
AD		 2800 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
2801 rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_INTERRUPT;
45f9a39b
AD		 2802 queue_hotplug = true;
2803 DRM_DEBUG("IH: HPD5\n");
2804 }
2805 break;
2806 case 5:
6f34be50
AD		 2807 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
2808 rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_INTERRUPT;
45f9a39b
AD		 2809 queue_hotplug = true;
2810 DRM_DEBUG("IH: HPD6\n");
2811 }
2812 break;
2813 default:
2814 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2815 break;
2816 }
2817 break;
2818 case 176: /* CP_INT in ring buffer */
2819 case 177: /* CP_INT in IB1 */
2820 case 178: /* CP_INT in IB2 */
2821 DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
2822 radeon_fence_process(rdev);
2823 break;
2824 case 181: /* CP EOP event */
2825 DRM_DEBUG("IH: CP EOP\n");
d0f8a854 2826 radeon_fence_process(rdev);
45f9a39b 2827 break;
2031f77c
AD		 2828 case 233: /* GUI IDLE */
2829 DRM_DEBUG("IH: CP EOP\n");
2830 rdev->pm.gui_idle = true;
2831 wake_up(&rdev->irq.idle_queue);
2832 break;
45f9a39b
AD		 2833 default:
2834 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2835 break;
2836 }
2837
2838 /* wptr/rptr are in bytes! */
2839 rptr += 16;
2840 rptr &= rdev->ih.ptr_mask;
2841 }
2842 /* make sure wptr hasn't changed while processing */
2843 wptr = evergreen_get_ih_wptr(rdev);
2844 if (wptr != rdev->ih.wptr)
2845 goto restart_ih;
2846 if (queue_hotplug)
32c87fca 2847 schedule_work(&rdev->hotplug_work);
45f9a39b
AD		 2848 rdev->ih.rptr = rptr;
2849 WREG32(IH_RB_RPTR, rdev->ih.rptr);
2850 spin_unlock_irqrestore(&rdev->ih.lock, flags);
2851 return IRQ_HANDLED;
2852}
2853
bcc1c2a1
AD		 2854static int evergreen_startup(struct radeon_device *rdev)
2855{
bcc1c2a1
AD		 2856 int r;
2857
9e46a48d 2858 /* enable pcie gen2 link */
0d1014a2
AD		 2859 if (!ASIC_IS_DCE5(rdev))
2860 evergreen_pcie_gen2_enable(rdev);
9e46a48d 2861
0af62b01
AD		 2862 if (ASIC_IS_DCE5(rdev)) {
2863 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
2864 r = ni_init_microcode(rdev);
2865 if (r) {
2866 DRM_ERROR("Failed to load firmware!\n");
2867 return r;
2868 }
2869 }
2870 r = btc_mc_load_microcode(rdev);
bcc1c2a1 2871 if (r) {
0af62b01 2872 DRM_ERROR("Failed to load MC firmware!\n");
bcc1c2a1
AD		 2873 return r;
2874 }
0af62b01
AD		 2875 } else {
2876 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
2877 r = r600_init_microcode(rdev);
2878 if (r) {
2879 DRM_ERROR("Failed to load firmware!\n");
2880 return r;
2881 }
2882 }
bcc1c2a1 2883 }
fe251e2f 2884
bcc1c2a1 2885 evergreen_mc_program(rdev);
bcc1c2a1 2886 if (rdev->flags & RADEON_IS_AGP) {
0fcdb61e 2887 evergreen_agp_enable(rdev);
bcc1c2a1
AD		 2888 } else {
2889 r = evergreen_pcie_gart_enable(rdev);
2890 if (r)
2891 return r;
2892 }
bcc1c2a1 2893 evergreen_gpu_init(rdev);
bcc1c2a1 2894
d7ccd8fc 2895 r = evergreen_blit_init(rdev);
bcc1c2a1 2896 if (r) {
d7ccd8fc
AD		 2897 evergreen_blit_fini(rdev);
2898 rdev->asic->copy = NULL;
2899 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
bcc1c2a1 2900 }
880981e4
AD		 2901 /* XXX: ontario has problems blitting to gart at the moment */
2902 if (rdev->family == CHIP_PALM) {
2903 rdev->asic->copy = NULL;
2904 rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
2905 }
bcc1c2a1 2906
724c80e1
AD		 2907 /* allocate wb buffer */
2908 r = radeon_wb_init(rdev);
2909 if (r)
2910 return r;
2911
bcc1c2a1
AD		 2912 /* Enable IRQ */
2913 r = r600_irq_init(rdev);
2914 if (r) {
2915 DRM_ERROR("radeon: IH init failed (%d).\n", r);
2916 radeon_irq_kms_fini(rdev);
2917 return r;
2918 }
45f9a39b 2919 evergreen_irq_set(rdev);
bcc1c2a1
AD		 2920
2921 r = radeon_ring_init(rdev, rdev->cp.ring_size);
2922 if (r)
2923 return r;
2924 r = evergreen_cp_load_microcode(rdev);
2925 if (r)
2926 return r;
fe251e2f 2927 r = evergreen_cp_resume(rdev);
bcc1c2a1
AD		 2928 if (r)
2929 return r;
fe251e2f 2930
bcc1c2a1
AD		 2931 return 0;
2932}
2933
2934int evergreen_resume(struct radeon_device *rdev)
2935{
2936 int r;
2937
86f5c9ed
AD		 2938 /* reset the asic, the gfx blocks are often in a bad state
2939 * after the driver is unloaded or after a resume
2940 */
2941 if (radeon_asic_reset(rdev))
2942 dev_warn(rdev->dev, "GPU reset failed !\n");
bcc1c2a1
AD		 2943 /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
2944 * posting will perform necessary task to bring back GPU into good
2945 * shape.
2946 */
2947 /* post card */
2948 atom_asic_init(rdev->mode_info.atom_context);
bcc1c2a1
AD		 2949
2950 r = evergreen_startup(rdev);
2951 if (r) {
2952 DRM_ERROR("r600 startup failed on resume\n");
2953 return r;
2954 }
fe251e2f 2955
bcc1c2a1
AD		 2956 r = r600_ib_test(rdev);
2957 if (r) {
2958 DRM_ERROR("radeon: failled testing IB (%d).\n", r);
2959 return r;
2960 }
fe251e2f 2961
bcc1c2a1
AD		 2962 return r;
2963
2964}
2965
2966int evergreen_suspend(struct radeon_device *rdev)
2967{
bcc1c2a1 2968 int r;
d7ccd8fc 2969
bcc1c2a1
AD		 2970 /* FIXME: we should wait for ring to be empty */
2971 r700_cp_stop(rdev);
2972 rdev->cp.ready = false;
45f9a39b 2973 evergreen_irq_suspend(rdev);
724c80e1 2974 radeon_wb_disable(rdev);
bcc1c2a1 2975 evergreen_pcie_gart_disable(rdev);
d7ccd8fc 2976
bcc1c2a1
AD		 2977 /* unpin shaders bo */
2978 r = radeon_bo_reserve(rdev->r600_blit.shader_obj, false);
2979 if (likely(r == 0)) {
2980 radeon_bo_unpin(rdev->r600_blit.shader_obj);
2981 radeon_bo_unreserve(rdev->r600_blit.shader_obj);
2982 }
d7ccd8fc
AD		 2983
2984 return 0;
2985}
2986
2987int evergreen_copy_blit(struct radeon_device *rdev,
2988 uint64_t src_offset, uint64_t dst_offset,
2989 unsigned num_pages, struct radeon_fence *fence)
2990{
2991 int r;
2992
2993 mutex_lock(&rdev->r600_blit.mutex);
2994 rdev->r600_blit.vb_ib = NULL;
2995 r = evergreen_blit_prepare_copy(rdev, num_pages * RADEON_GPU_PAGE_SIZE);
2996 if (r) {
2997 if (rdev->r600_blit.vb_ib)
2998 radeon_ib_free(rdev, &rdev->r600_blit.vb_ib);
2999 mutex_unlock(&rdev->r600_blit.mutex);
3000 return r;
3001 }
3002 evergreen_kms_blit_copy(rdev, src_offset, dst_offset, num_pages * RADEON_GPU_PAGE_SIZE);
3003 evergreen_blit_done_copy(rdev, fence);
3004 mutex_unlock(&rdev->r600_blit.mutex);
bcc1c2a1
AD		 3005 return 0;
3006}
3007
bcc1c2a1
AD		 3008/* Plan is to move initialization in that function and use
3009 * helper function so that radeon_device_init pretty much
3010 * do nothing more than calling asic specific function. This
3011 * should also allow to remove a bunch of callback function
3012 * like vram_info.
3013 */
3014int evergreen_init(struct radeon_device *rdev)
3015{
3016 int r;
3017
3018 r = radeon_dummy_page_init(rdev);
3019 if (r)
3020 return r;
3021 /* This don't do much */
3022 r = radeon_gem_init(rdev);
3023 if (r)
3024 return r;
3025 /* Read BIOS */
3026 if (!radeon_get_bios(rdev)) {
3027 if (ASIC_IS_AVIVO(rdev))
3028 return -EINVAL;
3029 }
3030 /* Must be an ATOMBIOS */
3031 if (!rdev->is_atom_bios) {
3032 dev_err(rdev->dev, "Expecting atombios for R600 GPU\n");
3033 return -EINVAL;
3034 }
3035 r = radeon_atombios_init(rdev);
3036 if (r)
3037 return r;
86f5c9ed
AD		 3038 /* reset the asic, the gfx blocks are often in a bad state
3039 * after the driver is unloaded or after a resume
3040 */
3041 if (radeon_asic_reset(rdev))
3042 dev_warn(rdev->dev, "GPU reset failed !\n");
bcc1c2a1 3043 /* Post card if necessary */
fd909c37 3044 if (!radeon_card_posted(rdev)) {
bcc1c2a1
AD		 3045 if (!rdev->bios) {
3046 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
3047 return -EINVAL;
3048 }
3049 DRM_INFO("GPU not posted. posting now...\n");
3050 atom_asic_init(rdev->mode_info.atom_context);
3051 }
3052 /* Initialize scratch registers */
3053 r600_scratch_init(rdev);
3054 /* Initialize surface registers */
3055 radeon_surface_init(rdev);
3056 /* Initialize clocks */
3057 radeon_get_clock_info(rdev->ddev);
bcc1c2a1
AD		 3058 /* Fence driver */
3059 r = radeon_fence_driver_init(rdev);
3060 if (r)
3061 return r;
d594e46a
JG		 3062 /* initialize AGP */
3063 if (rdev->flags & RADEON_IS_AGP) {
3064 r = radeon_agp_init(rdev);
3065 if (r)
3066 radeon_agp_disable(rdev);
3067 }
3068 /* initialize memory controller */
bcc1c2a1
AD		 3069 r = evergreen_mc_init(rdev);
3070 if (r)
3071 return r;
3072 /* Memory manager */
3073 r = radeon_bo_init(rdev);
3074 if (r)
3075 return r;
45f9a39b 3076
bcc1c2a1
AD		 3077 r = radeon_irq_kms_init(rdev);
3078 if (r)
3079 return r;
3080
3081 rdev->cp.ring_obj = NULL;
3082 r600_ring_init(rdev, 1024 * 1024);
3083
3084 rdev->ih.ring_obj = NULL;
3085 r600_ih_ring_init(rdev, 64 * 1024);
3086
3087 r = r600_pcie_gart_init(rdev);
3088 if (r)
3089 return r;
0fcdb61e 3090
148a03bc 3091 rdev->accel_working = true;
bcc1c2a1
AD		 3092 r = evergreen_startup(rdev);
3093 if (r) {
fe251e2f
AD		 3094 dev_err(rdev->dev, "disabling GPU acceleration\n");
3095 r700_cp_fini(rdev);
fe251e2f 3096 r600_irq_fini(rdev);
724c80e1 3097 radeon_wb_fini(rdev);
fe251e2f 3098 radeon_irq_kms_fini(rdev);
0fcdb61e 3099 evergreen_pcie_gart_fini(rdev);
bcc1c2a1
AD		 3100 rdev->accel_working = false;
3101 }
3102 if (rdev->accel_working) {
3103 r = radeon_ib_pool_init(rdev);
3104 if (r) {
3105 DRM_ERROR("radeon: failed initializing IB pool (%d).\n", r);
3106 rdev->accel_working = false;
3107 }
3108 r = r600_ib_test(rdev);
3109 if (r) {
3110 DRM_ERROR("radeon: failed testing IB (%d).\n", r);
3111 rdev->accel_working = false;
3112 }
3113 }
3114 return 0;
3115}
3116
3117void evergreen_fini(struct radeon_device *rdev)
3118{
d7ccd8fc 3119 evergreen_blit_fini(rdev);
45f9a39b 3120 r700_cp_fini(rdev);
bcc1c2a1 3121 r600_irq_fini(rdev);
724c80e1 3122 radeon_wb_fini(rdev);
bcc1c2a1 3123 radeon_irq_kms_fini(rdev);
bcc1c2a1 3124 evergreen_pcie_gart_fini(rdev);
bcc1c2a1
AD		 3125 radeon_gem_fini(rdev);
3126 radeon_fence_driver_fini(rdev);
bcc1c2a1
AD		 3127 radeon_agp_fini(rdev);
3128 radeon_bo_fini(rdev);
3129 radeon_atombios_fini(rdev);
3130 kfree(rdev->bios);
3131 rdev->bios = NULL;
3132 radeon_dummy_page_fini(rdev);
3133}
9e46a48d
AD		 3134
3135static void evergreen_pcie_gen2_enable(struct radeon_device *rdev)
3136{
3137 u32 link_width_cntl, speed_cntl;
3138
d42dd579
AD		 3139 if (radeon_pcie_gen2 == 0)
3140 return;
3141
9e46a48d
AD		 3142 if (rdev->flags & RADEON_IS_IGP)
3143 return;
3144
3145 if (!(rdev->flags & RADEON_IS_PCIE))
3146 return;
3147
3148 /* x2 cards have a special sequence */
3149 if (ASIC_IS_X2(rdev))
3150 return;
3151
3152 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3153 if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) ||
3154 (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
3155
3156 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3157 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3158 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3159
3160 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3161 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
3162 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3163
3164 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3165 speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
3166 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3167
3168 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3169 speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
3170 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3171
3172 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3173 speed_cntl |= LC_GEN2_EN_STRAP;
3174 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3175
3176 } else {
3177 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3178 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
3179 if (1)
3180 link_width_cntl |= LC_UPCONFIGURE_DIS;
3181 else
3182 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3183 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3184 }
3185}
Linux kernel - Deliverables
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