2 * Copyright 2010 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
22 * Authors: Alex Deucher
24 #include <linux/firmware.h>
25 #include <linux/platform_device.h>
26 #include <linux/slab.h>
29 #include "radeon_asic.h"
30 #include <drm/radeon_drm.h>
31 #include "evergreend.h"
34 #include "evergreen_reg.h"
35 #include "evergreen_blit_shaders.h"
37 #define EVERGREEN_PFP_UCODE_SIZE 1120
38 #define EVERGREEN_PM4_UCODE_SIZE 1376
40 static const u32 crtc_offsets[6] =
42 EVERGREEN_CRTC0_REGISTER_OFFSET,
43 EVERGREEN_CRTC1_REGISTER_OFFSET,
44 EVERGREEN_CRTC2_REGISTER_OFFSET,
45 EVERGREEN_CRTC3_REGISTER_OFFSET,
46 EVERGREEN_CRTC4_REGISTER_OFFSET,
47 EVERGREEN_CRTC5_REGISTER_OFFSET
50 static void evergreen_gpu_init(struct radeon_device *rdev);
51 void evergreen_fini(struct radeon_device *rdev);
52 void evergreen_pcie_gen2_enable(struct radeon_device *rdev);
53 extern void cayman_cp_int_cntl_setup(struct radeon_device *rdev,
54 int ring, u32 cp_int_cntl);
56 void evergreen_tiling_fields(unsigned tiling_flags, unsigned *bankw,
57 unsigned *bankh, unsigned *mtaspect,
60 *bankw = (tiling_flags >> RADEON_TILING_EG_BANKW_SHIFT) & RADEON_TILING_EG_BANKW_MASK;
61 *bankh = (tiling_flags >> RADEON_TILING_EG_BANKH_SHIFT) & RADEON_TILING_EG_BANKH_MASK;
62 *mtaspect = (tiling_flags >> RADEON_TILING_EG_MACRO_TILE_ASPECT_SHIFT) & RADEON_TILING_EG_MACRO_TILE_ASPECT_MASK;
63 *tile_split = (tiling_flags >> RADEON_TILING_EG_TILE_SPLIT_SHIFT) & RADEON_TILING_EG_TILE_SPLIT_MASK;
66 case 1: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_1; break;
67 case 2: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_2; break;
68 case 4: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_4; break;
69 case 8: *bankw = EVERGREEN_ADDR_SURF_BANK_WIDTH_8; break;
73 case 1: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_1; break;
74 case 2: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_2; break;
75 case 4: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_4; break;
76 case 8: *bankh = EVERGREEN_ADDR_SURF_BANK_HEIGHT_8; break;
80 case 1: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_1; break;
81 case 2: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_2; break;
82 case 4: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_4; break;
83 case 8: *mtaspect = EVERGREEN_ADDR_SURF_MACRO_TILE_ASPECT_8; break;
87 void evergreen_fix_pci_max_read_req_size(struct radeon_device *rdev)
92 err = pcie_capability_read_word(rdev->pdev, PCI_EXP_DEVCTL, &ctl);
96 v = (ctl & PCI_EXP_DEVCTL_READRQ) >> 12;
98 /* if bios or OS sets MAX_READ_REQUEST_SIZE to an invalid value, fix it
99 * to avoid hangs or perfomance issues
101 if ((v == 0) || (v == 6) || (v == 7)) {
102 ctl &= ~PCI_EXP_DEVCTL_READRQ;
104 pcie_capability_write_word(rdev->pdev, PCI_EXP_DEVCTL, ctl);
109 * dce4_wait_for_vblank - vblank wait asic callback.
111 * @rdev: radeon_device pointer
112 * @crtc: crtc to wait for vblank on
114 * Wait for vblank on the requested crtc (evergreen+).
116 void dce4_wait_for_vblank(struct radeon_device *rdev, int crtc)
120 if (crtc >= rdev->num_crtc)
123 if (RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[crtc]) & EVERGREEN_CRTC_MASTER_EN) {
124 for (i = 0; i < rdev->usec_timeout; i++) {
125 if (!(RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK))
129 for (i = 0; i < rdev->usec_timeout; i++) {
130 if (RREG32(EVERGREEN_CRTC_STATUS + crtc_offsets[crtc]) & EVERGREEN_CRTC_V_BLANK)
138 * radeon_irq_kms_pflip_irq_get - pre-pageflip callback.
140 * @rdev: radeon_device pointer
141 * @crtc: crtc to prepare for pageflip on
143 * Pre-pageflip callback (evergreen+).
144 * Enables the pageflip irq (vblank irq).
146 void evergreen_pre_page_flip(struct radeon_device *rdev, int crtc)
148 /* enable the pflip int */
149 radeon_irq_kms_pflip_irq_get(rdev, crtc);
153 * evergreen_post_page_flip - pos-pageflip callback.
155 * @rdev: radeon_device pointer
156 * @crtc: crtc to cleanup pageflip on
158 * Post-pageflip callback (evergreen+).
159 * Disables the pageflip irq (vblank irq).
161 void evergreen_post_page_flip(struct radeon_device *rdev, int crtc)
163 /* disable the pflip int */
164 radeon_irq_kms_pflip_irq_put(rdev, crtc);
168 * evergreen_page_flip - pageflip callback.
170 * @rdev: radeon_device pointer
171 * @crtc_id: crtc to cleanup pageflip on
172 * @crtc_base: new address of the crtc (GPU MC address)
174 * Does the actual pageflip (evergreen+).
175 * During vblank we take the crtc lock and wait for the update_pending
176 * bit to go high, when it does, we release the lock, and allow the
177 * double buffered update to take place.
178 * Returns the current update pending status.
180 u32 evergreen_page_flip(struct radeon_device *rdev, int crtc_id, u64 crtc_base)
182 struct radeon_crtc *radeon_crtc = rdev->mode_info.crtcs[crtc_id];
183 u32 tmp = RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset);
186 /* Lock the graphics update lock */
187 tmp |= EVERGREEN_GRPH_UPDATE_LOCK;
188 WREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
190 /* update the scanout addresses */
191 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
192 upper_32_bits(crtc_base));
193 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
196 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
197 upper_32_bits(crtc_base));
198 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
201 /* Wait for update_pending to go high. */
202 for (i = 0; i < rdev->usec_timeout; i++) {
203 if (RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING)
207 DRM_DEBUG("Update pending now high. Unlocking vupdate_lock.\n");
209 /* Unlock the lock, so double-buffering can take place inside vblank */
210 tmp &= ~EVERGREEN_GRPH_UPDATE_LOCK;
211 WREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset, tmp);
213 /* Return current update_pending status: */
214 return RREG32(EVERGREEN_GRPH_UPDATE + radeon_crtc->crtc_offset) & EVERGREEN_GRPH_SURFACE_UPDATE_PENDING;
217 /* get temperature in millidegrees */
218 int evergreen_get_temp(struct radeon_device *rdev)
223 if (rdev->family == CHIP_JUNIPER) {
224 toffset = (RREG32(CG_THERMAL_CTRL) & TOFFSET_MASK) >>
226 temp = (RREG32(CG_TS0_STATUS) & TS0_ADC_DOUT_MASK) >>
230 actual_temp = temp / 2 - (0x200 - toffset);
232 actual_temp = temp / 2 + toffset;
234 actual_temp = actual_temp * 1000;
237 temp = (RREG32(CG_MULT_THERMAL_STATUS) & ASIC_T_MASK) >>
242 else if (temp & 0x200)
244 else if (temp & 0x100) {
245 actual_temp = temp & 0x1ff;
246 actual_temp |= ~0x1ff;
248 actual_temp = temp & 0xff;
250 actual_temp = (actual_temp * 1000) / 2;
256 int sumo_get_temp(struct radeon_device *rdev)
258 u32 temp = RREG32(CG_THERMAL_STATUS) & 0xff;
259 int actual_temp = temp - 49;
261 return actual_temp * 1000;
265 * sumo_pm_init_profile - Initialize power profiles callback.
267 * @rdev: radeon_device pointer
269 * Initialize the power states used in profile mode
270 * (sumo, trinity, SI).
271 * Used for profile mode only.
273 void sumo_pm_init_profile(struct radeon_device *rdev)
278 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
279 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
280 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
281 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 0;
284 if (rdev->flags & RADEON_IS_MOBILITY)
285 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
287 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
289 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
290 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
291 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
292 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
294 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
295 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
296 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
297 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
299 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
300 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
301 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
302 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 0;
304 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
305 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
306 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
307 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 0;
310 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
311 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
312 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
313 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
314 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx =
315 rdev->pm.power_state[idx].num_clock_modes - 1;
317 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
318 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
319 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
320 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx =
321 rdev->pm.power_state[idx].num_clock_modes - 1;
325 * btc_pm_init_profile - Initialize power profiles callback.
327 * @rdev: radeon_device pointer
329 * Initialize the power states used in profile mode
331 * Used for profile mode only.
333 void btc_pm_init_profile(struct radeon_device *rdev)
338 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_ps_idx = rdev->pm.default_power_state_index;
339 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_ps_idx = rdev->pm.default_power_state_index;
340 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_off_cm_idx = 0;
341 rdev->pm.profiles[PM_PROFILE_DEFAULT_IDX].dpms_on_cm_idx = 2;
342 /* starting with BTC, there is one state that is used for both
343 * MH and SH. Difference is that we always use the high clock index for
346 if (rdev->flags & RADEON_IS_MOBILITY)
347 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_BATTERY, 0);
349 idx = radeon_pm_get_type_index(rdev, POWER_STATE_TYPE_PERFORMANCE, 0);
351 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_ps_idx = idx;
352 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_ps_idx = idx;
353 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_off_cm_idx = 0;
354 rdev->pm.profiles[PM_PROFILE_LOW_SH_IDX].dpms_on_cm_idx = 0;
356 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_ps_idx = idx;
357 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_ps_idx = idx;
358 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_off_cm_idx = 0;
359 rdev->pm.profiles[PM_PROFILE_MID_SH_IDX].dpms_on_cm_idx = 1;
361 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_ps_idx = idx;
362 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_ps_idx = idx;
363 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_off_cm_idx = 0;
364 rdev->pm.profiles[PM_PROFILE_HIGH_SH_IDX].dpms_on_cm_idx = 2;
366 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_ps_idx = idx;
367 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_ps_idx = idx;
368 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_off_cm_idx = 0;
369 rdev->pm.profiles[PM_PROFILE_LOW_MH_IDX].dpms_on_cm_idx = 0;
371 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_ps_idx = idx;
372 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_ps_idx = idx;
373 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_off_cm_idx = 0;
374 rdev->pm.profiles[PM_PROFILE_MID_MH_IDX].dpms_on_cm_idx = 1;
376 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_ps_idx = idx;
377 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_ps_idx = idx;
378 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_off_cm_idx = 0;
379 rdev->pm.profiles[PM_PROFILE_HIGH_MH_IDX].dpms_on_cm_idx = 2;
383 * evergreen_pm_misc - set additional pm hw parameters callback.
385 * @rdev: radeon_device pointer
387 * Set non-clock parameters associated with a power state
388 * (voltage, etc.) (evergreen+).
390 void evergreen_pm_misc(struct radeon_device *rdev)
392 int req_ps_idx = rdev->pm.requested_power_state_index;
393 int req_cm_idx = rdev->pm.requested_clock_mode_index;
394 struct radeon_power_state *ps = &rdev->pm.power_state[req_ps_idx];
395 struct radeon_voltage *voltage = &ps->clock_info[req_cm_idx].voltage;
397 if (voltage->type == VOLTAGE_SW) {
398 /* 0xff01 is a flag rather then an actual voltage */
399 if (voltage->voltage == 0xff01)
401 if (voltage->voltage && (voltage->voltage != rdev->pm.current_vddc)) {
402 radeon_atom_set_voltage(rdev, voltage->voltage, SET_VOLTAGE_TYPE_ASIC_VDDC);
403 rdev->pm.current_vddc = voltage->voltage;
404 DRM_DEBUG("Setting: vddc: %d\n", voltage->voltage);
406 /* 0xff01 is a flag rather then an actual voltage */
407 if (voltage->vddci == 0xff01)
409 if (voltage->vddci && (voltage->vddci != rdev->pm.current_vddci)) {
410 radeon_atom_set_voltage(rdev, voltage->vddci, SET_VOLTAGE_TYPE_ASIC_VDDCI);
411 rdev->pm.current_vddci = voltage->vddci;
412 DRM_DEBUG("Setting: vddci: %d\n", voltage->vddci);
418 * evergreen_pm_prepare - pre-power state change callback.
420 * @rdev: radeon_device pointer
422 * Prepare for a power state change (evergreen+).
424 void evergreen_pm_prepare(struct radeon_device *rdev)
426 struct drm_device *ddev = rdev->ddev;
427 struct drm_crtc *crtc;
428 struct radeon_crtc *radeon_crtc;
431 /* disable any active CRTCs */
432 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
433 radeon_crtc = to_radeon_crtc(crtc);
434 if (radeon_crtc->enabled) {
435 tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
436 tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
437 WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
443 * evergreen_pm_finish - post-power state change callback.
445 * @rdev: radeon_device pointer
447 * Clean up after a power state change (evergreen+).
449 void evergreen_pm_finish(struct radeon_device *rdev)
451 struct drm_device *ddev = rdev->ddev;
452 struct drm_crtc *crtc;
453 struct radeon_crtc *radeon_crtc;
456 /* enable any active CRTCs */
457 list_for_each_entry(crtc, &ddev->mode_config.crtc_list, head) {
458 radeon_crtc = to_radeon_crtc(crtc);
459 if (radeon_crtc->enabled) {
460 tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
461 tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
462 WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
468 * evergreen_hpd_sense - hpd sense callback.
470 * @rdev: radeon_device pointer
471 * @hpd: hpd (hotplug detect) pin
473 * Checks if a digital monitor is connected (evergreen+).
474 * Returns true if connected, false if not connected.
476 bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd)
478 bool connected = false;
482 if (RREG32(DC_HPD1_INT_STATUS) & DC_HPDx_SENSE)
486 if (RREG32(DC_HPD2_INT_STATUS) & DC_HPDx_SENSE)
490 if (RREG32(DC_HPD3_INT_STATUS) & DC_HPDx_SENSE)
494 if (RREG32(DC_HPD4_INT_STATUS) & DC_HPDx_SENSE)
498 if (RREG32(DC_HPD5_INT_STATUS) & DC_HPDx_SENSE)
502 if (RREG32(DC_HPD6_INT_STATUS) & DC_HPDx_SENSE)
513 * evergreen_hpd_set_polarity - hpd set polarity callback.
515 * @rdev: radeon_device pointer
516 * @hpd: hpd (hotplug detect) pin
518 * Set the polarity of the hpd pin (evergreen+).
520 void evergreen_hpd_set_polarity(struct radeon_device *rdev,
521 enum radeon_hpd_id hpd)
524 bool connected = evergreen_hpd_sense(rdev, hpd);
528 tmp = RREG32(DC_HPD1_INT_CONTROL);
530 tmp &= ~DC_HPDx_INT_POLARITY;
532 tmp |= DC_HPDx_INT_POLARITY;
533 WREG32(DC_HPD1_INT_CONTROL, tmp);
536 tmp = RREG32(DC_HPD2_INT_CONTROL);
538 tmp &= ~DC_HPDx_INT_POLARITY;
540 tmp |= DC_HPDx_INT_POLARITY;
541 WREG32(DC_HPD2_INT_CONTROL, tmp);
544 tmp = RREG32(DC_HPD3_INT_CONTROL);
546 tmp &= ~DC_HPDx_INT_POLARITY;
548 tmp |= DC_HPDx_INT_POLARITY;
549 WREG32(DC_HPD3_INT_CONTROL, tmp);
552 tmp = RREG32(DC_HPD4_INT_CONTROL);
554 tmp &= ~DC_HPDx_INT_POLARITY;
556 tmp |= DC_HPDx_INT_POLARITY;
557 WREG32(DC_HPD4_INT_CONTROL, tmp);
560 tmp = RREG32(DC_HPD5_INT_CONTROL);
562 tmp &= ~DC_HPDx_INT_POLARITY;
564 tmp |= DC_HPDx_INT_POLARITY;
565 WREG32(DC_HPD5_INT_CONTROL, tmp);
568 tmp = RREG32(DC_HPD6_INT_CONTROL);
570 tmp &= ~DC_HPDx_INT_POLARITY;
572 tmp |= DC_HPDx_INT_POLARITY;
573 WREG32(DC_HPD6_INT_CONTROL, tmp);
581 * evergreen_hpd_init - hpd setup callback.
583 * @rdev: radeon_device pointer
585 * Setup the hpd pins used by the card (evergreen+).
586 * Enable the pin, set the polarity, and enable the hpd interrupts.
588 void evergreen_hpd_init(struct radeon_device *rdev)
590 struct drm_device *dev = rdev->ddev;
591 struct drm_connector *connector;
592 unsigned enabled = 0;
593 u32 tmp = DC_HPDx_CONNECTION_TIMER(0x9c4) |
594 DC_HPDx_RX_INT_TIMER(0xfa) | DC_HPDx_EN;
596 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
597 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
598 switch (radeon_connector->hpd.hpd) {
600 WREG32(DC_HPD1_CONTROL, tmp);
603 WREG32(DC_HPD2_CONTROL, tmp);
606 WREG32(DC_HPD3_CONTROL, tmp);
609 WREG32(DC_HPD4_CONTROL, tmp);
612 WREG32(DC_HPD5_CONTROL, tmp);
615 WREG32(DC_HPD6_CONTROL, tmp);
620 radeon_hpd_set_polarity(rdev, radeon_connector->hpd.hpd);
621 enabled |= 1 << radeon_connector->hpd.hpd;
623 radeon_irq_kms_enable_hpd(rdev, enabled);
627 * evergreen_hpd_fini - hpd tear down callback.
629 * @rdev: radeon_device pointer
631 * Tear down the hpd pins used by the card (evergreen+).
632 * Disable the hpd interrupts.
634 void evergreen_hpd_fini(struct radeon_device *rdev)
636 struct drm_device *dev = rdev->ddev;
637 struct drm_connector *connector;
638 unsigned disabled = 0;
640 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
641 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
642 switch (radeon_connector->hpd.hpd) {
644 WREG32(DC_HPD1_CONTROL, 0);
647 WREG32(DC_HPD2_CONTROL, 0);
650 WREG32(DC_HPD3_CONTROL, 0);
653 WREG32(DC_HPD4_CONTROL, 0);
656 WREG32(DC_HPD5_CONTROL, 0);
659 WREG32(DC_HPD6_CONTROL, 0);
664 disabled |= 1 << radeon_connector->hpd.hpd;
666 radeon_irq_kms_disable_hpd(rdev, disabled);
669 /* watermark setup */
671 static u32 evergreen_line_buffer_adjust(struct radeon_device *rdev,
672 struct radeon_crtc *radeon_crtc,
673 struct drm_display_mode *mode,
674 struct drm_display_mode *other_mode)
679 * There are 3 line buffers, each one shared by 2 display controllers.
680 * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between
681 * the display controllers. The paritioning is done via one of four
682 * preset allocations specified in bits 2:0:
683 * first display controller
684 * 0 - first half of lb (3840 * 2)
685 * 1 - first 3/4 of lb (5760 * 2)
686 * 2 - whole lb (7680 * 2), other crtc must be disabled
687 * 3 - first 1/4 of lb (1920 * 2)
688 * second display controller
689 * 4 - second half of lb (3840 * 2)
690 * 5 - second 3/4 of lb (5760 * 2)
691 * 6 - whole lb (7680 * 2), other crtc must be disabled
692 * 7 - last 1/4 of lb (1920 * 2)
694 /* this can get tricky if we have two large displays on a paired group
695 * of crtcs. Ideally for multiple large displays we'd assign them to
696 * non-linked crtcs for maximum line buffer allocation.
698 if (radeon_crtc->base.enabled && mode) {
706 /* second controller of the pair uses second half of the lb */
707 if (radeon_crtc->crtc_id % 2)
709 WREG32(DC_LB_MEMORY_SPLIT + radeon_crtc->crtc_offset, tmp);
711 if (radeon_crtc->base.enabled && mode) {
716 if (ASIC_IS_DCE5(rdev))
722 if (ASIC_IS_DCE5(rdev))
728 if (ASIC_IS_DCE5(rdev))
734 if (ASIC_IS_DCE5(rdev))
741 /* controller not enabled, so no lb used */
745 u32 evergreen_get_number_of_dram_channels(struct radeon_device *rdev)
747 u32 tmp = RREG32(MC_SHARED_CHMAP);
749 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
762 struct evergreen_wm_params {
763 u32 dram_channels; /* number of dram channels */
764 u32 yclk; /* bandwidth per dram data pin in kHz */
765 u32 sclk; /* engine clock in kHz */
766 u32 disp_clk; /* display clock in kHz */
767 u32 src_width; /* viewport width */
768 u32 active_time; /* active display time in ns */
769 u32 blank_time; /* blank time in ns */
770 bool interlaced; /* mode is interlaced */
771 fixed20_12 vsc; /* vertical scale ratio */
772 u32 num_heads; /* number of active crtcs */
773 u32 bytes_per_pixel; /* bytes per pixel display + overlay */
774 u32 lb_size; /* line buffer allocated to pipe */
775 u32 vtaps; /* vertical scaler taps */
778 static u32 evergreen_dram_bandwidth(struct evergreen_wm_params *wm)
780 /* Calculate DRAM Bandwidth and the part allocated to display. */
781 fixed20_12 dram_efficiency; /* 0.7 */
782 fixed20_12 yclk, dram_channels, bandwidth;
785 a.full = dfixed_const(1000);
786 yclk.full = dfixed_const(wm->yclk);
787 yclk.full = dfixed_div(yclk, a);
788 dram_channels.full = dfixed_const(wm->dram_channels * 4);
789 a.full = dfixed_const(10);
790 dram_efficiency.full = dfixed_const(7);
791 dram_efficiency.full = dfixed_div(dram_efficiency, a);
792 bandwidth.full = dfixed_mul(dram_channels, yclk);
793 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
795 return dfixed_trunc(bandwidth);
798 static u32 evergreen_dram_bandwidth_for_display(struct evergreen_wm_params *wm)
800 /* Calculate DRAM Bandwidth and the part allocated to display. */
801 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
802 fixed20_12 yclk, dram_channels, bandwidth;
805 a.full = dfixed_const(1000);
806 yclk.full = dfixed_const(wm->yclk);
807 yclk.full = dfixed_div(yclk, a);
808 dram_channels.full = dfixed_const(wm->dram_channels * 4);
809 a.full = dfixed_const(10);
810 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
811 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
812 bandwidth.full = dfixed_mul(dram_channels, yclk);
813 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
815 return dfixed_trunc(bandwidth);
818 static u32 evergreen_data_return_bandwidth(struct evergreen_wm_params *wm)
820 /* Calculate the display Data return Bandwidth */
821 fixed20_12 return_efficiency; /* 0.8 */
822 fixed20_12 sclk, bandwidth;
825 a.full = dfixed_const(1000);
826 sclk.full = dfixed_const(wm->sclk);
827 sclk.full = dfixed_div(sclk, a);
828 a.full = dfixed_const(10);
829 return_efficiency.full = dfixed_const(8);
830 return_efficiency.full = dfixed_div(return_efficiency, a);
831 a.full = dfixed_const(32);
832 bandwidth.full = dfixed_mul(a, sclk);
833 bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
835 return dfixed_trunc(bandwidth);
838 static u32 evergreen_dmif_request_bandwidth(struct evergreen_wm_params *wm)
840 /* Calculate the DMIF Request Bandwidth */
841 fixed20_12 disp_clk_request_efficiency; /* 0.8 */
842 fixed20_12 disp_clk, bandwidth;
845 a.full = dfixed_const(1000);
846 disp_clk.full = dfixed_const(wm->disp_clk);
847 disp_clk.full = dfixed_div(disp_clk, a);
848 a.full = dfixed_const(10);
849 disp_clk_request_efficiency.full = dfixed_const(8);
850 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
851 a.full = dfixed_const(32);
852 bandwidth.full = dfixed_mul(a, disp_clk);
853 bandwidth.full = dfixed_mul(bandwidth, disp_clk_request_efficiency);
855 return dfixed_trunc(bandwidth);
858 static u32 evergreen_available_bandwidth(struct evergreen_wm_params *wm)
860 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
861 u32 dram_bandwidth = evergreen_dram_bandwidth(wm);
862 u32 data_return_bandwidth = evergreen_data_return_bandwidth(wm);
863 u32 dmif_req_bandwidth = evergreen_dmif_request_bandwidth(wm);
865 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
868 static u32 evergreen_average_bandwidth(struct evergreen_wm_params *wm)
870 /* Calculate the display mode Average Bandwidth
871 * DisplayMode should contain the source and destination dimensions,
875 fixed20_12 line_time;
876 fixed20_12 src_width;
877 fixed20_12 bandwidth;
880 a.full = dfixed_const(1000);
881 line_time.full = dfixed_const(wm->active_time + wm->blank_time);
882 line_time.full = dfixed_div(line_time, a);
883 bpp.full = dfixed_const(wm->bytes_per_pixel);
884 src_width.full = dfixed_const(wm->src_width);
885 bandwidth.full = dfixed_mul(src_width, bpp);
886 bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
887 bandwidth.full = dfixed_div(bandwidth, line_time);
889 return dfixed_trunc(bandwidth);
892 static u32 evergreen_latency_watermark(struct evergreen_wm_params *wm)
894 /* First calcualte the latency in ns */
895 u32 mc_latency = 2000; /* 2000 ns. */
896 u32 available_bandwidth = evergreen_available_bandwidth(wm);
897 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
898 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
899 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
900 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
901 (wm->num_heads * cursor_line_pair_return_time);
902 u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
903 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
906 if (wm->num_heads == 0)
909 a.full = dfixed_const(2);
910 b.full = dfixed_const(1);
911 if ((wm->vsc.full > a.full) ||
912 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
914 ((wm->vsc.full >= a.full) && wm->interlaced))
915 max_src_lines_per_dst_line = 4;
917 max_src_lines_per_dst_line = 2;
919 a.full = dfixed_const(available_bandwidth);
920 b.full = dfixed_const(wm->num_heads);
921 a.full = dfixed_div(a, b);
923 b.full = dfixed_const(1000);
924 c.full = dfixed_const(wm->disp_clk);
925 b.full = dfixed_div(c, b);
926 c.full = dfixed_const(wm->bytes_per_pixel);
927 b.full = dfixed_mul(b, c);
929 lb_fill_bw = min(dfixed_trunc(a), dfixed_trunc(b));
931 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
932 b.full = dfixed_const(1000);
933 c.full = dfixed_const(lb_fill_bw);
934 b.full = dfixed_div(c, b);
935 a.full = dfixed_div(a, b);
936 line_fill_time = dfixed_trunc(a);
938 if (line_fill_time < wm->active_time)
941 return latency + (line_fill_time - wm->active_time);
945 static bool evergreen_average_bandwidth_vs_dram_bandwidth_for_display(struct evergreen_wm_params *wm)
947 if (evergreen_average_bandwidth(wm) <=
948 (evergreen_dram_bandwidth_for_display(wm) / wm->num_heads))
954 static bool evergreen_average_bandwidth_vs_available_bandwidth(struct evergreen_wm_params *wm)
956 if (evergreen_average_bandwidth(wm) <=
957 (evergreen_available_bandwidth(wm) / wm->num_heads))
963 static bool evergreen_check_latency_hiding(struct evergreen_wm_params *wm)
965 u32 lb_partitions = wm->lb_size / wm->src_width;
966 u32 line_time = wm->active_time + wm->blank_time;
967 u32 latency_tolerant_lines;
971 a.full = dfixed_const(1);
972 if (wm->vsc.full > a.full)
973 latency_tolerant_lines = 1;
975 if (lb_partitions <= (wm->vtaps + 1))
976 latency_tolerant_lines = 1;
978 latency_tolerant_lines = 2;
981 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
983 if (evergreen_latency_watermark(wm) <= latency_hiding)
989 static void evergreen_program_watermarks(struct radeon_device *rdev,
990 struct radeon_crtc *radeon_crtc,
991 u32 lb_size, u32 num_heads)
993 struct drm_display_mode *mode = &radeon_crtc->base.mode;
994 struct evergreen_wm_params wm;
997 u32 latency_watermark_a = 0, latency_watermark_b = 0;
998 u32 priority_a_mark = 0, priority_b_mark = 0;
999 u32 priority_a_cnt = PRIORITY_OFF;
1000 u32 priority_b_cnt = PRIORITY_OFF;
1001 u32 pipe_offset = radeon_crtc->crtc_id * 16;
1002 u32 tmp, arb_control3;
1005 if (radeon_crtc->base.enabled && num_heads && mode) {
1006 pixel_period = 1000000 / (u32)mode->clock;
1007 line_time = min((u32)mode->crtc_htotal * pixel_period, (u32)65535);
1011 wm.yclk = rdev->pm.current_mclk * 10;
1012 wm.sclk = rdev->pm.current_sclk * 10;
1013 wm.disp_clk = mode->clock;
1014 wm.src_width = mode->crtc_hdisplay;
1015 wm.active_time = mode->crtc_hdisplay * pixel_period;
1016 wm.blank_time = line_time - wm.active_time;
1017 wm.interlaced = false;
1018 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1019 wm.interlaced = true;
1020 wm.vsc = radeon_crtc->vsc;
1022 if (radeon_crtc->rmx_type != RMX_OFF)
1024 wm.bytes_per_pixel = 4; /* XXX: get this from fb config */
1025 wm.lb_size = lb_size;
1026 wm.dram_channels = evergreen_get_number_of_dram_channels(rdev);
1027 wm.num_heads = num_heads;
1029 /* set for high clocks */
1030 latency_watermark_a = min(evergreen_latency_watermark(&wm), (u32)65535);
1031 /* set for low clocks */
1032 /* wm.yclk = low clk; wm.sclk = low clk */
1033 latency_watermark_b = min(evergreen_latency_watermark(&wm), (u32)65535);
1035 /* possibly force display priority to high */
1036 /* should really do this at mode validation time... */
1037 if (!evergreen_average_bandwidth_vs_dram_bandwidth_for_display(&wm) ||
1038 !evergreen_average_bandwidth_vs_available_bandwidth(&wm) ||
1039 !evergreen_check_latency_hiding(&wm) ||
1040 (rdev->disp_priority == 2)) {
1041 DRM_DEBUG_KMS("force priority to high\n");
1042 priority_a_cnt |= PRIORITY_ALWAYS_ON;
1043 priority_b_cnt |= PRIORITY_ALWAYS_ON;
1046 a.full = dfixed_const(1000);
1047 b.full = dfixed_const(mode->clock);
1048 b.full = dfixed_div(b, a);
1049 c.full = dfixed_const(latency_watermark_a);
1050 c.full = dfixed_mul(c, b);
1051 c.full = dfixed_mul(c, radeon_crtc->hsc);
1052 c.full = dfixed_div(c, a);
1053 a.full = dfixed_const(16);
1054 c.full = dfixed_div(c, a);
1055 priority_a_mark = dfixed_trunc(c);
1056 priority_a_cnt |= priority_a_mark & PRIORITY_MARK_MASK;
1058 a.full = dfixed_const(1000);
1059 b.full = dfixed_const(mode->clock);
1060 b.full = dfixed_div(b, a);
1061 c.full = dfixed_const(latency_watermark_b);
1062 c.full = dfixed_mul(c, b);
1063 c.full = dfixed_mul(c, radeon_crtc->hsc);
1064 c.full = dfixed_div(c, a);
1065 a.full = dfixed_const(16);
1066 c.full = dfixed_div(c, a);
1067 priority_b_mark = dfixed_trunc(c);
1068 priority_b_cnt |= priority_b_mark & PRIORITY_MARK_MASK;
1072 arb_control3 = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset);
1074 tmp &= ~LATENCY_WATERMARK_MASK(3);
1075 tmp |= LATENCY_WATERMARK_MASK(1);
1076 WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp);
1077 WREG32(PIPE0_LATENCY_CONTROL + pipe_offset,
1078 (LATENCY_LOW_WATERMARK(latency_watermark_a) |
1079 LATENCY_HIGH_WATERMARK(line_time)));
1081 tmp = RREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset);
1082 tmp &= ~LATENCY_WATERMARK_MASK(3);
1083 tmp |= LATENCY_WATERMARK_MASK(2);
1084 WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, tmp);
1085 WREG32(PIPE0_LATENCY_CONTROL + pipe_offset,
1086 (LATENCY_LOW_WATERMARK(latency_watermark_b) |
1087 LATENCY_HIGH_WATERMARK(line_time)));
1088 /* restore original selection */
1089 WREG32(PIPE0_ARBITRATION_CONTROL3 + pipe_offset, arb_control3);
1091 /* write the priority marks */
1092 WREG32(PRIORITY_A_CNT + radeon_crtc->crtc_offset, priority_a_cnt);
1093 WREG32(PRIORITY_B_CNT + radeon_crtc->crtc_offset, priority_b_cnt);
1098 * evergreen_bandwidth_update - update display watermarks callback.
1100 * @rdev: radeon_device pointer
1102 * Update the display watermarks based on the requested mode(s)
1105 void evergreen_bandwidth_update(struct radeon_device *rdev)
1107 struct drm_display_mode *mode0 = NULL;
1108 struct drm_display_mode *mode1 = NULL;
1109 u32 num_heads = 0, lb_size;
1112 radeon_update_display_priority(rdev);
1114 for (i = 0; i < rdev->num_crtc; i++) {
1115 if (rdev->mode_info.crtcs[i]->base.enabled)
1118 for (i = 0; i < rdev->num_crtc; i += 2) {
1119 mode0 = &rdev->mode_info.crtcs[i]->base.mode;
1120 mode1 = &rdev->mode_info.crtcs[i+1]->base.mode;
1121 lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i], mode0, mode1);
1122 evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i], lb_size, num_heads);
1123 lb_size = evergreen_line_buffer_adjust(rdev, rdev->mode_info.crtcs[i+1], mode1, mode0);
1124 evergreen_program_watermarks(rdev, rdev->mode_info.crtcs[i+1], lb_size, num_heads);
1129 * evergreen_mc_wait_for_idle - wait for MC idle callback.
1131 * @rdev: radeon_device pointer
1133 * Wait for the MC (memory controller) to be idle.
1135 * Returns 0 if the MC is idle, -1 if not.
1137 int evergreen_mc_wait_for_idle(struct radeon_device *rdev)
1142 for (i = 0; i < rdev->usec_timeout; i++) {
1143 /* read MC_STATUS */
1144 tmp = RREG32(SRBM_STATUS) & 0x1F00;
1155 void evergreen_pcie_gart_tlb_flush(struct radeon_device *rdev)
1160 WREG32(HDP_MEM_COHERENCY_FLUSH_CNTL, 0x1);
1162 WREG32(VM_CONTEXT0_REQUEST_RESPONSE, REQUEST_TYPE(1));
1163 for (i = 0; i < rdev->usec_timeout; i++) {
1164 /* read MC_STATUS */
1165 tmp = RREG32(VM_CONTEXT0_REQUEST_RESPONSE);
1166 tmp = (tmp & RESPONSE_TYPE_MASK) >> RESPONSE_TYPE_SHIFT;
1168 printk(KERN_WARNING "[drm] r600 flush TLB failed\n");
1178 static int evergreen_pcie_gart_enable(struct radeon_device *rdev)
1183 if (rdev->gart.robj == NULL) {
1184 dev_err(rdev->dev, "No VRAM object for PCIE GART.\n");
1187 r = radeon_gart_table_vram_pin(rdev);
1190 radeon_gart_restore(rdev);
1191 /* Setup L2 cache */
1192 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
1193 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1194 EFFECTIVE_L2_QUEUE_SIZE(7));
1195 WREG32(VM_L2_CNTL2, 0);
1196 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
1197 /* Setup TLB control */
1198 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
1199 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1200 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
1201 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
1202 if (rdev->flags & RADEON_IS_IGP) {
1203 WREG32(FUS_MC_VM_MD_L1_TLB0_CNTL, tmp);
1204 WREG32(FUS_MC_VM_MD_L1_TLB1_CNTL, tmp);
1205 WREG32(FUS_MC_VM_MD_L1_TLB2_CNTL, tmp);
1207 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
1208 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
1209 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
1210 if ((rdev->family == CHIP_JUNIPER) ||
1211 (rdev->family == CHIP_CYPRESS) ||
1212 (rdev->family == CHIP_HEMLOCK) ||
1213 (rdev->family == CHIP_BARTS))
1214 WREG32(MC_VM_MD_L1_TLB3_CNTL, tmp);
1216 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
1217 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
1218 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
1219 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
1220 WREG32(VM_CONTEXT0_PAGE_TABLE_START_ADDR, rdev->mc.gtt_start >> 12);
1221 WREG32(VM_CONTEXT0_PAGE_TABLE_END_ADDR, rdev->mc.gtt_end >> 12);
1222 WREG32(VM_CONTEXT0_PAGE_TABLE_BASE_ADDR, rdev->gart.table_addr >> 12);
1223 WREG32(VM_CONTEXT0_CNTL, ENABLE_CONTEXT | PAGE_TABLE_DEPTH(0) |
1224 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT);
1225 WREG32(VM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR,
1226 (u32)(rdev->dummy_page.addr >> 12));
1227 WREG32(VM_CONTEXT1_CNTL, 0);
1229 evergreen_pcie_gart_tlb_flush(rdev);
1230 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
1231 (unsigned)(rdev->mc.gtt_size >> 20),
1232 (unsigned long long)rdev->gart.table_addr);
1233 rdev->gart.ready = true;
1237 static void evergreen_pcie_gart_disable(struct radeon_device *rdev)
1241 /* Disable all tables */
1242 WREG32(VM_CONTEXT0_CNTL, 0);
1243 WREG32(VM_CONTEXT1_CNTL, 0);
1245 /* Setup L2 cache */
1246 WREG32(VM_L2_CNTL, ENABLE_L2_FRAGMENT_PROCESSING |
1247 EFFECTIVE_L2_QUEUE_SIZE(7));
1248 WREG32(VM_L2_CNTL2, 0);
1249 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
1250 /* Setup TLB control */
1251 tmp = EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
1252 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
1253 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
1254 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
1255 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
1256 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
1257 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
1258 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
1259 radeon_gart_table_vram_unpin(rdev);
1262 static void evergreen_pcie_gart_fini(struct radeon_device *rdev)
1264 evergreen_pcie_gart_disable(rdev);
1265 radeon_gart_table_vram_free(rdev);
1266 radeon_gart_fini(rdev);
1270 static void evergreen_agp_enable(struct radeon_device *rdev)
1274 /* Setup L2 cache */
1275 WREG32(VM_L2_CNTL, ENABLE_L2_CACHE | ENABLE_L2_FRAGMENT_PROCESSING |
1276 ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE |
1277 EFFECTIVE_L2_QUEUE_SIZE(7));
1278 WREG32(VM_L2_CNTL2, 0);
1279 WREG32(VM_L2_CNTL3, BANK_SELECT(0) | CACHE_UPDATE_MODE(2));
1280 /* Setup TLB control */
1281 tmp = ENABLE_L1_TLB | ENABLE_L1_FRAGMENT_PROCESSING |
1282 SYSTEM_ACCESS_MODE_NOT_IN_SYS |
1283 SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU |
1284 EFFECTIVE_L1_TLB_SIZE(5) | EFFECTIVE_L1_QUEUE_SIZE(5);
1285 WREG32(MC_VM_MD_L1_TLB0_CNTL, tmp);
1286 WREG32(MC_VM_MD_L1_TLB1_CNTL, tmp);
1287 WREG32(MC_VM_MD_L1_TLB2_CNTL, tmp);
1288 WREG32(MC_VM_MB_L1_TLB0_CNTL, tmp);
1289 WREG32(MC_VM_MB_L1_TLB1_CNTL, tmp);
1290 WREG32(MC_VM_MB_L1_TLB2_CNTL, tmp);
1291 WREG32(MC_VM_MB_L1_TLB3_CNTL, tmp);
1292 WREG32(VM_CONTEXT0_CNTL, 0);
1293 WREG32(VM_CONTEXT1_CNTL, 0);
1296 void evergreen_mc_stop(struct radeon_device *rdev, struct evergreen_mc_save *save)
1298 u32 crtc_enabled, tmp, frame_count, blackout;
1301 save->vga_render_control = RREG32(VGA_RENDER_CONTROL);
1302 save->vga_hdp_control = RREG32(VGA_HDP_CONTROL);
1304 /* disable VGA render */
1305 WREG32(VGA_RENDER_CONTROL, 0);
1306 /* blank the display controllers */
1307 for (i = 0; i < rdev->num_crtc; i++) {
1308 crtc_enabled = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]) & EVERGREEN_CRTC_MASTER_EN;
1310 save->crtc_enabled[i] = true;
1311 if (ASIC_IS_DCE6(rdev)) {
1312 tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
1313 if (!(tmp & EVERGREEN_CRTC_BLANK_DATA_EN)) {
1314 radeon_wait_for_vblank(rdev, i);
1315 tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
1316 WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
1319 tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
1320 if (!(tmp & EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE)) {
1321 radeon_wait_for_vblank(rdev, i);
1322 tmp |= EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
1323 WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
1326 /* wait for the next frame */
1327 frame_count = radeon_get_vblank_counter(rdev, i);
1328 for (j = 0; j < rdev->usec_timeout; j++) {
1329 if (radeon_get_vblank_counter(rdev, i) != frame_count)
1334 save->crtc_enabled[i] = false;
1338 radeon_mc_wait_for_idle(rdev);
1340 blackout = RREG32(MC_SHARED_BLACKOUT_CNTL);
1341 if ((blackout & BLACKOUT_MODE_MASK) != 1) {
1342 /* Block CPU access */
1343 WREG32(BIF_FB_EN, 0);
1344 /* blackout the MC */
1345 blackout &= ~BLACKOUT_MODE_MASK;
1346 WREG32(MC_SHARED_BLACKOUT_CNTL, blackout | 1);
1350 void evergreen_mc_resume(struct radeon_device *rdev, struct evergreen_mc_save *save)
1352 u32 tmp, frame_count;
1355 /* update crtc base addresses */
1356 for (i = 0; i < rdev->num_crtc; i++) {
1357 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
1358 upper_32_bits(rdev->mc.vram_start));
1359 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + crtc_offsets[i],
1360 upper_32_bits(rdev->mc.vram_start));
1361 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
1362 (u32)rdev->mc.vram_start);
1363 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
1364 (u32)rdev->mc.vram_start);
1366 WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS_HIGH, upper_32_bits(rdev->mc.vram_start));
1367 WREG32(EVERGREEN_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
1369 /* unblackout the MC */
1370 tmp = RREG32(MC_SHARED_BLACKOUT_CNTL);
1371 tmp &= ~BLACKOUT_MODE_MASK;
1372 WREG32(MC_SHARED_BLACKOUT_CNTL, tmp);
1373 /* allow CPU access */
1374 WREG32(BIF_FB_EN, FB_READ_EN | FB_WRITE_EN);
1376 for (i = 0; i < rdev->num_crtc; i++) {
1377 if (save->crtc_enabled[i]) {
1378 if (ASIC_IS_DCE6(rdev)) {
1379 tmp = RREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i]);
1380 tmp |= EVERGREEN_CRTC_BLANK_DATA_EN;
1381 WREG32(EVERGREEN_CRTC_BLANK_CONTROL + crtc_offsets[i], tmp);
1383 tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
1384 tmp &= ~EVERGREEN_CRTC_DISP_READ_REQUEST_DISABLE;
1385 WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
1387 /* wait for the next frame */
1388 frame_count = radeon_get_vblank_counter(rdev, i);
1389 for (j = 0; j < rdev->usec_timeout; j++) {
1390 if (radeon_get_vblank_counter(rdev, i) != frame_count)
1396 /* Unlock vga access */
1397 WREG32(VGA_HDP_CONTROL, save->vga_hdp_control);
1399 WREG32(VGA_RENDER_CONTROL, save->vga_render_control);
1402 void evergreen_mc_program(struct radeon_device *rdev)
1404 struct evergreen_mc_save save;
1408 /* Initialize HDP */
1409 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1410 WREG32((0x2c14 + j), 0x00000000);
1411 WREG32((0x2c18 + j), 0x00000000);
1412 WREG32((0x2c1c + j), 0x00000000);
1413 WREG32((0x2c20 + j), 0x00000000);
1414 WREG32((0x2c24 + j), 0x00000000);
1416 WREG32(HDP_REG_COHERENCY_FLUSH_CNTL, 0);
1418 evergreen_mc_stop(rdev, &save);
1419 if (evergreen_mc_wait_for_idle(rdev)) {
1420 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1422 /* Lockout access through VGA aperture*/
1423 WREG32(VGA_HDP_CONTROL, VGA_MEMORY_DISABLE);
1424 /* Update configuration */
1425 if (rdev->flags & RADEON_IS_AGP) {
1426 if (rdev->mc.vram_start < rdev->mc.gtt_start) {
1427 /* VRAM before AGP */
1428 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1429 rdev->mc.vram_start >> 12);
1430 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1431 rdev->mc.gtt_end >> 12);
1433 /* VRAM after AGP */
1434 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1435 rdev->mc.gtt_start >> 12);
1436 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1437 rdev->mc.vram_end >> 12);
1440 WREG32(MC_VM_SYSTEM_APERTURE_LOW_ADDR,
1441 rdev->mc.vram_start >> 12);
1442 WREG32(MC_VM_SYSTEM_APERTURE_HIGH_ADDR,
1443 rdev->mc.vram_end >> 12);
1445 WREG32(MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR, rdev->vram_scratch.gpu_addr >> 12);
1446 /* llano/ontario only */
1447 if ((rdev->family == CHIP_PALM) ||
1448 (rdev->family == CHIP_SUMO) ||
1449 (rdev->family == CHIP_SUMO2)) {
1450 tmp = RREG32(MC_FUS_VM_FB_OFFSET) & 0x000FFFFF;
1451 tmp |= ((rdev->mc.vram_end >> 20) & 0xF) << 24;
1452 tmp |= ((rdev->mc.vram_start >> 20) & 0xF) << 20;
1453 WREG32(MC_FUS_VM_FB_OFFSET, tmp);
1455 tmp = ((rdev->mc.vram_end >> 24) & 0xFFFF) << 16;
1456 tmp |= ((rdev->mc.vram_start >> 24) & 0xFFFF);
1457 WREG32(MC_VM_FB_LOCATION, tmp);
1458 WREG32(HDP_NONSURFACE_BASE, (rdev->mc.vram_start >> 8));
1459 WREG32(HDP_NONSURFACE_INFO, (2 << 7) | (1 << 30));
1460 WREG32(HDP_NONSURFACE_SIZE, 0x3FFFFFFF);
1461 if (rdev->flags & RADEON_IS_AGP) {
1462 WREG32(MC_VM_AGP_TOP, rdev->mc.gtt_end >> 16);
1463 WREG32(MC_VM_AGP_BOT, rdev->mc.gtt_start >> 16);
1464 WREG32(MC_VM_AGP_BASE, rdev->mc.agp_base >> 22);
1466 WREG32(MC_VM_AGP_BASE, 0);
1467 WREG32(MC_VM_AGP_TOP, 0x0FFFFFFF);
1468 WREG32(MC_VM_AGP_BOT, 0x0FFFFFFF);
1470 if (evergreen_mc_wait_for_idle(rdev)) {
1471 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
1473 evergreen_mc_resume(rdev, &save);
1474 /* we need to own VRAM, so turn off the VGA renderer here
1475 * to stop it overwriting our objects */
1476 rv515_vga_render_disable(rdev);
1482 void evergreen_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib)
1484 struct radeon_ring *ring = &rdev->ring[ib->ring];
1487 /* set to DX10/11 mode */
1488 radeon_ring_write(ring, PACKET3(PACKET3_MODE_CONTROL, 0));
1489 radeon_ring_write(ring, 1);
1491 if (ring->rptr_save_reg) {
1492 next_rptr = ring->wptr + 3 + 4;
1493 radeon_ring_write(ring, PACKET3(PACKET3_SET_CONFIG_REG, 1));
1494 radeon_ring_write(ring, ((ring->rptr_save_reg -
1495 PACKET3_SET_CONFIG_REG_START) >> 2));
1496 radeon_ring_write(ring, next_rptr);
1497 } else if (rdev->wb.enabled) {
1498 next_rptr = ring->wptr + 5 + 4;
1499 radeon_ring_write(ring, PACKET3(PACKET3_MEM_WRITE, 3));
1500 radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
1501 radeon_ring_write(ring, (upper_32_bits(ring->next_rptr_gpu_addr) & 0xff) | (1 << 18));
1502 radeon_ring_write(ring, next_rptr);
1503 radeon_ring_write(ring, 0);
1506 radeon_ring_write(ring, PACKET3(PACKET3_INDIRECT_BUFFER, 2));
1507 radeon_ring_write(ring,
1511 (ib->gpu_addr & 0xFFFFFFFC));
1512 radeon_ring_write(ring, upper_32_bits(ib->gpu_addr) & 0xFF);
1513 radeon_ring_write(ring, ib->length_dw);
1517 static int evergreen_cp_load_microcode(struct radeon_device *rdev)
1519 const __be32 *fw_data;
1522 if (!rdev->me_fw || !rdev->pfp_fw)
1530 RB_NO_UPDATE | RB_BLKSZ(15) | RB_BUFSZ(3));
1532 fw_data = (const __be32 *)rdev->pfp_fw->data;
1533 WREG32(CP_PFP_UCODE_ADDR, 0);
1534 for (i = 0; i < EVERGREEN_PFP_UCODE_SIZE; i++)
1535 WREG32(CP_PFP_UCODE_DATA, be32_to_cpup(fw_data++));
1536 WREG32(CP_PFP_UCODE_ADDR, 0);
1538 fw_data = (const __be32 *)rdev->me_fw->data;
1539 WREG32(CP_ME_RAM_WADDR, 0);
1540 for (i = 0; i < EVERGREEN_PM4_UCODE_SIZE; i++)
1541 WREG32(CP_ME_RAM_DATA, be32_to_cpup(fw_data++));
1543 WREG32(CP_PFP_UCODE_ADDR, 0);
1544 WREG32(CP_ME_RAM_WADDR, 0);
1545 WREG32(CP_ME_RAM_RADDR, 0);
1549 static int evergreen_cp_start(struct radeon_device *rdev)
1551 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1555 r = radeon_ring_lock(rdev, ring, 7);
1557 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1560 radeon_ring_write(ring, PACKET3(PACKET3_ME_INITIALIZE, 5));
1561 radeon_ring_write(ring, 0x1);
1562 radeon_ring_write(ring, 0x0);
1563 radeon_ring_write(ring, rdev->config.evergreen.max_hw_contexts - 1);
1564 radeon_ring_write(ring, PACKET3_ME_INITIALIZE_DEVICE_ID(1));
1565 radeon_ring_write(ring, 0);
1566 radeon_ring_write(ring, 0);
1567 radeon_ring_unlock_commit(rdev, ring);
1570 WREG32(CP_ME_CNTL, cp_me);
1572 r = radeon_ring_lock(rdev, ring, evergreen_default_size + 19);
1574 DRM_ERROR("radeon: cp failed to lock ring (%d).\n", r);
1578 /* setup clear context state */
1579 radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1580 radeon_ring_write(ring, PACKET3_PREAMBLE_BEGIN_CLEAR_STATE);
1582 for (i = 0; i < evergreen_default_size; i++)
1583 radeon_ring_write(ring, evergreen_default_state[i]);
1585 radeon_ring_write(ring, PACKET3(PACKET3_PREAMBLE_CNTL, 0));
1586 radeon_ring_write(ring, PACKET3_PREAMBLE_END_CLEAR_STATE);
1588 /* set clear context state */
1589 radeon_ring_write(ring, PACKET3(PACKET3_CLEAR_STATE, 0));
1590 radeon_ring_write(ring, 0);
1592 /* SQ_VTX_BASE_VTX_LOC */
1593 radeon_ring_write(ring, 0xc0026f00);
1594 radeon_ring_write(ring, 0x00000000);
1595 radeon_ring_write(ring, 0x00000000);
1596 radeon_ring_write(ring, 0x00000000);
1599 radeon_ring_write(ring, 0xc0036f00);
1600 radeon_ring_write(ring, 0x00000bc4);
1601 radeon_ring_write(ring, 0xffffffff);
1602 radeon_ring_write(ring, 0xffffffff);
1603 radeon_ring_write(ring, 0xffffffff);
1605 radeon_ring_write(ring, 0xc0026900);
1606 radeon_ring_write(ring, 0x00000316);
1607 radeon_ring_write(ring, 0x0000000e); /* VGT_VERTEX_REUSE_BLOCK_CNTL */
1608 radeon_ring_write(ring, 0x00000010); /* */
1610 radeon_ring_unlock_commit(rdev, ring);
1615 static int evergreen_cp_resume(struct radeon_device *rdev)
1617 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
1622 /* Reset cp; if cp is reset, then PA, SH, VGT also need to be reset */
1623 WREG32(GRBM_SOFT_RESET, (SOFT_RESET_CP |
1629 RREG32(GRBM_SOFT_RESET);
1631 WREG32(GRBM_SOFT_RESET, 0);
1632 RREG32(GRBM_SOFT_RESET);
1634 /* Set ring buffer size */
1635 rb_bufsz = drm_order(ring->ring_size / 8);
1636 tmp = (drm_order(RADEON_GPU_PAGE_SIZE/8) << 8) | rb_bufsz;
1638 tmp |= BUF_SWAP_32BIT;
1640 WREG32(CP_RB_CNTL, tmp);
1641 WREG32(CP_SEM_WAIT_TIMER, 0x0);
1642 WREG32(CP_SEM_INCOMPLETE_TIMER_CNTL, 0x0);
1644 /* Set the write pointer delay */
1645 WREG32(CP_RB_WPTR_DELAY, 0);
1647 /* Initialize the ring buffer's read and write pointers */
1648 WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA);
1649 WREG32(CP_RB_RPTR_WR, 0);
1651 WREG32(CP_RB_WPTR, ring->wptr);
1653 /* set the wb address whether it's enabled or not */
1654 WREG32(CP_RB_RPTR_ADDR,
1655 ((rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC));
1656 WREG32(CP_RB_RPTR_ADDR_HI, upper_32_bits(rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFF);
1657 WREG32(SCRATCH_ADDR, ((rdev->wb.gpu_addr + RADEON_WB_SCRATCH_OFFSET) >> 8) & 0xFFFFFFFF);
1659 if (rdev->wb.enabled)
1660 WREG32(SCRATCH_UMSK, 0xff);
1662 tmp |= RB_NO_UPDATE;
1663 WREG32(SCRATCH_UMSK, 0);
1667 WREG32(CP_RB_CNTL, tmp);
1669 WREG32(CP_RB_BASE, ring->gpu_addr >> 8);
1670 WREG32(CP_DEBUG, (1 << 27) | (1 << 28));
1672 ring->rptr = RREG32(CP_RB_RPTR);
1674 evergreen_cp_start(rdev);
1676 r = radeon_ring_test(rdev, RADEON_RING_TYPE_GFX_INDEX, ring);
1678 ring->ready = false;
1687 static void evergreen_gpu_init(struct radeon_device *rdev)
1690 u32 mc_shared_chmap, mc_arb_ramcfg;
1694 u32 sq_lds_resource_mgmt;
1695 u32 sq_gpr_resource_mgmt_1;
1696 u32 sq_gpr_resource_mgmt_2;
1697 u32 sq_gpr_resource_mgmt_3;
1698 u32 sq_thread_resource_mgmt;
1699 u32 sq_thread_resource_mgmt_2;
1700 u32 sq_stack_resource_mgmt_1;
1701 u32 sq_stack_resource_mgmt_2;
1702 u32 sq_stack_resource_mgmt_3;
1703 u32 vgt_cache_invalidation;
1704 u32 hdp_host_path_cntl, tmp;
1705 u32 disabled_rb_mask;
1706 int i, j, num_shader_engines, ps_thread_count;
1708 switch (rdev->family) {
1711 rdev->config.evergreen.num_ses = 2;
1712 rdev->config.evergreen.max_pipes = 4;
1713 rdev->config.evergreen.max_tile_pipes = 8;
1714 rdev->config.evergreen.max_simds = 10;
1715 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
1716 rdev->config.evergreen.max_gprs = 256;
1717 rdev->config.evergreen.max_threads = 248;
1718 rdev->config.evergreen.max_gs_threads = 32;
1719 rdev->config.evergreen.max_stack_entries = 512;
1720 rdev->config.evergreen.sx_num_of_sets = 4;
1721 rdev->config.evergreen.sx_max_export_size = 256;
1722 rdev->config.evergreen.sx_max_export_pos_size = 64;
1723 rdev->config.evergreen.sx_max_export_smx_size = 192;
1724 rdev->config.evergreen.max_hw_contexts = 8;
1725 rdev->config.evergreen.sq_num_cf_insts = 2;
1727 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1728 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1729 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1730 gb_addr_config = CYPRESS_GB_ADDR_CONFIG_GOLDEN;
1733 rdev->config.evergreen.num_ses = 1;
1734 rdev->config.evergreen.max_pipes = 4;
1735 rdev->config.evergreen.max_tile_pipes = 4;
1736 rdev->config.evergreen.max_simds = 10;
1737 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
1738 rdev->config.evergreen.max_gprs = 256;
1739 rdev->config.evergreen.max_threads = 248;
1740 rdev->config.evergreen.max_gs_threads = 32;
1741 rdev->config.evergreen.max_stack_entries = 512;
1742 rdev->config.evergreen.sx_num_of_sets = 4;
1743 rdev->config.evergreen.sx_max_export_size = 256;
1744 rdev->config.evergreen.sx_max_export_pos_size = 64;
1745 rdev->config.evergreen.sx_max_export_smx_size = 192;
1746 rdev->config.evergreen.max_hw_contexts = 8;
1747 rdev->config.evergreen.sq_num_cf_insts = 2;
1749 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1750 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1751 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1752 gb_addr_config = JUNIPER_GB_ADDR_CONFIG_GOLDEN;
1755 rdev->config.evergreen.num_ses = 1;
1756 rdev->config.evergreen.max_pipes = 4;
1757 rdev->config.evergreen.max_tile_pipes = 4;
1758 rdev->config.evergreen.max_simds = 5;
1759 rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
1760 rdev->config.evergreen.max_gprs = 256;
1761 rdev->config.evergreen.max_threads = 248;
1762 rdev->config.evergreen.max_gs_threads = 32;
1763 rdev->config.evergreen.max_stack_entries = 256;
1764 rdev->config.evergreen.sx_num_of_sets = 4;
1765 rdev->config.evergreen.sx_max_export_size = 256;
1766 rdev->config.evergreen.sx_max_export_pos_size = 64;
1767 rdev->config.evergreen.sx_max_export_smx_size = 192;
1768 rdev->config.evergreen.max_hw_contexts = 8;
1769 rdev->config.evergreen.sq_num_cf_insts = 2;
1771 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1772 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1773 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1774 gb_addr_config = REDWOOD_GB_ADDR_CONFIG_GOLDEN;
1778 rdev->config.evergreen.num_ses = 1;
1779 rdev->config.evergreen.max_pipes = 2;
1780 rdev->config.evergreen.max_tile_pipes = 2;
1781 rdev->config.evergreen.max_simds = 2;
1782 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1783 rdev->config.evergreen.max_gprs = 256;
1784 rdev->config.evergreen.max_threads = 192;
1785 rdev->config.evergreen.max_gs_threads = 16;
1786 rdev->config.evergreen.max_stack_entries = 256;
1787 rdev->config.evergreen.sx_num_of_sets = 4;
1788 rdev->config.evergreen.sx_max_export_size = 128;
1789 rdev->config.evergreen.sx_max_export_pos_size = 32;
1790 rdev->config.evergreen.sx_max_export_smx_size = 96;
1791 rdev->config.evergreen.max_hw_contexts = 4;
1792 rdev->config.evergreen.sq_num_cf_insts = 1;
1794 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1795 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1796 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1797 gb_addr_config = CEDAR_GB_ADDR_CONFIG_GOLDEN;
1800 rdev->config.evergreen.num_ses = 1;
1801 rdev->config.evergreen.max_pipes = 2;
1802 rdev->config.evergreen.max_tile_pipes = 2;
1803 rdev->config.evergreen.max_simds = 2;
1804 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1805 rdev->config.evergreen.max_gprs = 256;
1806 rdev->config.evergreen.max_threads = 192;
1807 rdev->config.evergreen.max_gs_threads = 16;
1808 rdev->config.evergreen.max_stack_entries = 256;
1809 rdev->config.evergreen.sx_num_of_sets = 4;
1810 rdev->config.evergreen.sx_max_export_size = 128;
1811 rdev->config.evergreen.sx_max_export_pos_size = 32;
1812 rdev->config.evergreen.sx_max_export_smx_size = 96;
1813 rdev->config.evergreen.max_hw_contexts = 4;
1814 rdev->config.evergreen.sq_num_cf_insts = 1;
1816 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1817 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1818 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1819 gb_addr_config = CEDAR_GB_ADDR_CONFIG_GOLDEN;
1822 rdev->config.evergreen.num_ses = 1;
1823 rdev->config.evergreen.max_pipes = 4;
1824 rdev->config.evergreen.max_tile_pipes = 4;
1825 if (rdev->pdev->device == 0x9648)
1826 rdev->config.evergreen.max_simds = 3;
1827 else if ((rdev->pdev->device == 0x9647) ||
1828 (rdev->pdev->device == 0x964a))
1829 rdev->config.evergreen.max_simds = 4;
1831 rdev->config.evergreen.max_simds = 5;
1832 rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
1833 rdev->config.evergreen.max_gprs = 256;
1834 rdev->config.evergreen.max_threads = 248;
1835 rdev->config.evergreen.max_gs_threads = 32;
1836 rdev->config.evergreen.max_stack_entries = 256;
1837 rdev->config.evergreen.sx_num_of_sets = 4;
1838 rdev->config.evergreen.sx_max_export_size = 256;
1839 rdev->config.evergreen.sx_max_export_pos_size = 64;
1840 rdev->config.evergreen.sx_max_export_smx_size = 192;
1841 rdev->config.evergreen.max_hw_contexts = 8;
1842 rdev->config.evergreen.sq_num_cf_insts = 2;
1844 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1845 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1846 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1847 gb_addr_config = SUMO_GB_ADDR_CONFIG_GOLDEN;
1850 rdev->config.evergreen.num_ses = 1;
1851 rdev->config.evergreen.max_pipes = 4;
1852 rdev->config.evergreen.max_tile_pipes = 4;
1853 rdev->config.evergreen.max_simds = 2;
1854 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1855 rdev->config.evergreen.max_gprs = 256;
1856 rdev->config.evergreen.max_threads = 248;
1857 rdev->config.evergreen.max_gs_threads = 32;
1858 rdev->config.evergreen.max_stack_entries = 512;
1859 rdev->config.evergreen.sx_num_of_sets = 4;
1860 rdev->config.evergreen.sx_max_export_size = 256;
1861 rdev->config.evergreen.sx_max_export_pos_size = 64;
1862 rdev->config.evergreen.sx_max_export_smx_size = 192;
1863 rdev->config.evergreen.max_hw_contexts = 8;
1864 rdev->config.evergreen.sq_num_cf_insts = 2;
1866 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1867 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1868 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1869 gb_addr_config = SUMO2_GB_ADDR_CONFIG_GOLDEN;
1872 rdev->config.evergreen.num_ses = 2;
1873 rdev->config.evergreen.max_pipes = 4;
1874 rdev->config.evergreen.max_tile_pipes = 8;
1875 rdev->config.evergreen.max_simds = 7;
1876 rdev->config.evergreen.max_backends = 4 * rdev->config.evergreen.num_ses;
1877 rdev->config.evergreen.max_gprs = 256;
1878 rdev->config.evergreen.max_threads = 248;
1879 rdev->config.evergreen.max_gs_threads = 32;
1880 rdev->config.evergreen.max_stack_entries = 512;
1881 rdev->config.evergreen.sx_num_of_sets = 4;
1882 rdev->config.evergreen.sx_max_export_size = 256;
1883 rdev->config.evergreen.sx_max_export_pos_size = 64;
1884 rdev->config.evergreen.sx_max_export_smx_size = 192;
1885 rdev->config.evergreen.max_hw_contexts = 8;
1886 rdev->config.evergreen.sq_num_cf_insts = 2;
1888 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1889 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1890 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1891 gb_addr_config = BARTS_GB_ADDR_CONFIG_GOLDEN;
1894 rdev->config.evergreen.num_ses = 1;
1895 rdev->config.evergreen.max_pipes = 4;
1896 rdev->config.evergreen.max_tile_pipes = 4;
1897 rdev->config.evergreen.max_simds = 6;
1898 rdev->config.evergreen.max_backends = 2 * rdev->config.evergreen.num_ses;
1899 rdev->config.evergreen.max_gprs = 256;
1900 rdev->config.evergreen.max_threads = 248;
1901 rdev->config.evergreen.max_gs_threads = 32;
1902 rdev->config.evergreen.max_stack_entries = 256;
1903 rdev->config.evergreen.sx_num_of_sets = 4;
1904 rdev->config.evergreen.sx_max_export_size = 256;
1905 rdev->config.evergreen.sx_max_export_pos_size = 64;
1906 rdev->config.evergreen.sx_max_export_smx_size = 192;
1907 rdev->config.evergreen.max_hw_contexts = 8;
1908 rdev->config.evergreen.sq_num_cf_insts = 2;
1910 rdev->config.evergreen.sc_prim_fifo_size = 0x100;
1911 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1912 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1913 gb_addr_config = TURKS_GB_ADDR_CONFIG_GOLDEN;
1916 rdev->config.evergreen.num_ses = 1;
1917 rdev->config.evergreen.max_pipes = 2;
1918 rdev->config.evergreen.max_tile_pipes = 2;
1919 rdev->config.evergreen.max_simds = 2;
1920 rdev->config.evergreen.max_backends = 1 * rdev->config.evergreen.num_ses;
1921 rdev->config.evergreen.max_gprs = 256;
1922 rdev->config.evergreen.max_threads = 192;
1923 rdev->config.evergreen.max_gs_threads = 16;
1924 rdev->config.evergreen.max_stack_entries = 256;
1925 rdev->config.evergreen.sx_num_of_sets = 4;
1926 rdev->config.evergreen.sx_max_export_size = 128;
1927 rdev->config.evergreen.sx_max_export_pos_size = 32;
1928 rdev->config.evergreen.sx_max_export_smx_size = 96;
1929 rdev->config.evergreen.max_hw_contexts = 4;
1930 rdev->config.evergreen.sq_num_cf_insts = 1;
1932 rdev->config.evergreen.sc_prim_fifo_size = 0x40;
1933 rdev->config.evergreen.sc_hiz_tile_fifo_size = 0x30;
1934 rdev->config.evergreen.sc_earlyz_tile_fifo_size = 0x130;
1935 gb_addr_config = CAICOS_GB_ADDR_CONFIG_GOLDEN;
1939 /* Initialize HDP */
1940 for (i = 0, j = 0; i < 32; i++, j += 0x18) {
1941 WREG32((0x2c14 + j), 0x00000000);
1942 WREG32((0x2c18 + j), 0x00000000);
1943 WREG32((0x2c1c + j), 0x00000000);
1944 WREG32((0x2c20 + j), 0x00000000);
1945 WREG32((0x2c24 + j), 0x00000000);
1948 WREG32(GRBM_CNTL, GRBM_READ_TIMEOUT(0xff));
1950 evergreen_fix_pci_max_read_req_size(rdev);
1952 mc_shared_chmap = RREG32(MC_SHARED_CHMAP);
1953 if ((rdev->family == CHIP_PALM) ||
1954 (rdev->family == CHIP_SUMO) ||
1955 (rdev->family == CHIP_SUMO2))
1956 mc_arb_ramcfg = RREG32(FUS_MC_ARB_RAMCFG);
1958 mc_arb_ramcfg = RREG32(MC_ARB_RAMCFG);
1960 /* setup tiling info dword. gb_addr_config is not adequate since it does
1961 * not have bank info, so create a custom tiling dword.
1962 * bits 3:0 num_pipes
1963 * bits 7:4 num_banks
1964 * bits 11:8 group_size
1965 * bits 15:12 row_size
1967 rdev->config.evergreen.tile_config = 0;
1968 switch (rdev->config.evergreen.max_tile_pipes) {
1971 rdev->config.evergreen.tile_config |= (0 << 0);
1974 rdev->config.evergreen.tile_config |= (1 << 0);
1977 rdev->config.evergreen.tile_config |= (2 << 0);
1980 rdev->config.evergreen.tile_config |= (3 << 0);
1983 /* num banks is 8 on all fusion asics. 0 = 4, 1 = 8, 2 = 16 */
1984 if (rdev->flags & RADEON_IS_IGP)
1985 rdev->config.evergreen.tile_config |= 1 << 4;
1987 switch ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) {
1988 case 0: /* four banks */
1989 rdev->config.evergreen.tile_config |= 0 << 4;
1991 case 1: /* eight banks */
1992 rdev->config.evergreen.tile_config |= 1 << 4;
1994 case 2: /* sixteen banks */
1996 rdev->config.evergreen.tile_config |= 2 << 4;
2000 rdev->config.evergreen.tile_config |= 0 << 8;
2001 rdev->config.evergreen.tile_config |=
2002 ((gb_addr_config & 0x30000000) >> 28) << 12;
2004 num_shader_engines = (gb_addr_config & NUM_SHADER_ENGINES(3) >> 12) + 1;
2006 if ((rdev->family >= CHIP_CEDAR) && (rdev->family <= CHIP_HEMLOCK)) {
2010 WREG32(RCU_IND_INDEX, 0x204);
2011 efuse_straps_4 = RREG32(RCU_IND_DATA);
2012 WREG32(RCU_IND_INDEX, 0x203);
2013 efuse_straps_3 = RREG32(RCU_IND_DATA);
2014 tmp = (((efuse_straps_4 & 0xf) << 4) |
2015 ((efuse_straps_3 & 0xf0000000) >> 28));
2018 for (i = (rdev->config.evergreen.num_ses - 1); i >= 0; i--) {
2019 u32 rb_disable_bitmap;
2021 WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
2022 WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_INDEX(i));
2023 rb_disable_bitmap = (RREG32(CC_RB_BACKEND_DISABLE) & 0x00ff0000) >> 16;
2025 tmp |= rb_disable_bitmap;
2028 /* enabled rb are just the one not disabled :) */
2029 disabled_rb_mask = tmp;
2031 WREG32(GRBM_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
2032 WREG32(RLC_GFX_INDEX, INSTANCE_BROADCAST_WRITES | SE_BROADCAST_WRITES);
2034 WREG32(GB_ADDR_CONFIG, gb_addr_config);
2035 WREG32(DMIF_ADDR_CONFIG, gb_addr_config);
2036 WREG32(HDP_ADDR_CONFIG, gb_addr_config);
2037 WREG32(DMA_TILING_CONFIG, gb_addr_config);
2039 tmp = gb_addr_config & NUM_PIPES_MASK;
2040 tmp = r6xx_remap_render_backend(rdev, tmp, rdev->config.evergreen.max_backends,
2041 EVERGREEN_MAX_BACKENDS, disabled_rb_mask);
2042 WREG32(GB_BACKEND_MAP, tmp);
2044 WREG32(CGTS_SYS_TCC_DISABLE, 0);
2045 WREG32(CGTS_TCC_DISABLE, 0);
2046 WREG32(CGTS_USER_SYS_TCC_DISABLE, 0);
2047 WREG32(CGTS_USER_TCC_DISABLE, 0);
2049 /* set HW defaults for 3D engine */
2050 WREG32(CP_QUEUE_THRESHOLDS, (ROQ_IB1_START(0x16) |
2051 ROQ_IB2_START(0x2b)));
2053 WREG32(CP_MEQ_THRESHOLDS, STQ_SPLIT(0x30));
2055 WREG32(TA_CNTL_AUX, (DISABLE_CUBE_ANISO |
2060 sx_debug_1 = RREG32(SX_DEBUG_1);
2061 sx_debug_1 |= ENABLE_NEW_SMX_ADDRESS;
2062 WREG32(SX_DEBUG_1, sx_debug_1);
2065 smx_dc_ctl0 = RREG32(SMX_DC_CTL0);
2066 smx_dc_ctl0 &= ~NUMBER_OF_SETS(0x1ff);
2067 smx_dc_ctl0 |= NUMBER_OF_SETS(rdev->config.evergreen.sx_num_of_sets);
2068 WREG32(SMX_DC_CTL0, smx_dc_ctl0);
2070 if (rdev->family <= CHIP_SUMO2)
2071 WREG32(SMX_SAR_CTL0, 0x00010000);
2073 WREG32(SX_EXPORT_BUFFER_SIZES, (COLOR_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_size / 4) - 1) |
2074 POSITION_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_pos_size / 4) - 1) |
2075 SMX_BUFFER_SIZE((rdev->config.evergreen.sx_max_export_smx_size / 4) - 1)));
2077 WREG32(PA_SC_FIFO_SIZE, (SC_PRIM_FIFO_SIZE(rdev->config.evergreen.sc_prim_fifo_size) |
2078 SC_HIZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_hiz_tile_fifo_size) |
2079 SC_EARLYZ_TILE_FIFO_SIZE(rdev->config.evergreen.sc_earlyz_tile_fifo_size)));
2081 WREG32(VGT_NUM_INSTANCES, 1);
2082 WREG32(SPI_CONFIG_CNTL, 0);
2083 WREG32(SPI_CONFIG_CNTL_1, VTX_DONE_DELAY(4));
2084 WREG32(CP_PERFMON_CNTL, 0);
2086 WREG32(SQ_MS_FIFO_SIZES, (CACHE_FIFO_SIZE(16 * rdev->config.evergreen.sq_num_cf_insts) |
2087 FETCH_FIFO_HIWATER(0x4) |
2088 DONE_FIFO_HIWATER(0xe0) |
2089 ALU_UPDATE_FIFO_HIWATER(0x8)));
2091 sq_config = RREG32(SQ_CONFIG);
2092 sq_config &= ~(PS_PRIO(3) |
2096 sq_config |= (VC_ENABLE |
2103 switch (rdev->family) {
2109 /* no vertex cache */
2110 sq_config &= ~VC_ENABLE;
2116 sq_lds_resource_mgmt = RREG32(SQ_LDS_RESOURCE_MGMT);
2118 sq_gpr_resource_mgmt_1 = NUM_PS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2))* 12 / 32);
2119 sq_gpr_resource_mgmt_1 |= NUM_VS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 6 / 32);
2120 sq_gpr_resource_mgmt_1 |= NUM_CLAUSE_TEMP_GPRS(4);
2121 sq_gpr_resource_mgmt_2 = NUM_GS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
2122 sq_gpr_resource_mgmt_2 |= NUM_ES_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 4 / 32);
2123 sq_gpr_resource_mgmt_3 = NUM_HS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
2124 sq_gpr_resource_mgmt_3 |= NUM_LS_GPRS((rdev->config.evergreen.max_gprs - (4 * 2)) * 3 / 32);
2126 switch (rdev->family) {
2131 ps_thread_count = 96;
2134 ps_thread_count = 128;
2138 sq_thread_resource_mgmt = NUM_PS_THREADS(ps_thread_count);
2139 sq_thread_resource_mgmt |= NUM_VS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2140 sq_thread_resource_mgmt |= NUM_GS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2141 sq_thread_resource_mgmt |= NUM_ES_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2142 sq_thread_resource_mgmt_2 = NUM_HS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2143 sq_thread_resource_mgmt_2 |= NUM_LS_THREADS((((rdev->config.evergreen.max_threads - ps_thread_count) / 6) / 8) * 8);
2145 sq_stack_resource_mgmt_1 = NUM_PS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2146 sq_stack_resource_mgmt_1 |= NUM_VS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2147 sq_stack_resource_mgmt_2 = NUM_GS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2148 sq_stack_resource_mgmt_2 |= NUM_ES_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2149 sq_stack_resource_mgmt_3 = NUM_HS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2150 sq_stack_resource_mgmt_3 |= NUM_LS_STACK_ENTRIES((rdev->config.evergreen.max_stack_entries * 1) / 6);
2152 WREG32(SQ_CONFIG, sq_config);
2153 WREG32(SQ_GPR_RESOURCE_MGMT_1, sq_gpr_resource_mgmt_1);
2154 WREG32(SQ_GPR_RESOURCE_MGMT_2, sq_gpr_resource_mgmt_2);
2155 WREG32(SQ_GPR_RESOURCE_MGMT_3, sq_gpr_resource_mgmt_3);
2156 WREG32(SQ_THREAD_RESOURCE_MGMT, sq_thread_resource_mgmt);
2157 WREG32(SQ_THREAD_RESOURCE_MGMT_2, sq_thread_resource_mgmt_2);
2158 WREG32(SQ_STACK_RESOURCE_MGMT_1, sq_stack_resource_mgmt_1);
2159 WREG32(SQ_STACK_RESOURCE_MGMT_2, sq_stack_resource_mgmt_2);
2160 WREG32(SQ_STACK_RESOURCE_MGMT_3, sq_stack_resource_mgmt_3);
2161 WREG32(SQ_DYN_GPR_CNTL_PS_FLUSH_REQ, 0);
2162 WREG32(SQ_LDS_RESOURCE_MGMT, sq_lds_resource_mgmt);
2164 WREG32(PA_SC_FORCE_EOV_MAX_CNTS, (FORCE_EOV_MAX_CLK_CNT(4095) |
2165 FORCE_EOV_MAX_REZ_CNT(255)));
2167 switch (rdev->family) {
2173 vgt_cache_invalidation = CACHE_INVALIDATION(TC_ONLY);
2176 vgt_cache_invalidation = CACHE_INVALIDATION(VC_AND_TC);
2179 vgt_cache_invalidation |= AUTO_INVLD_EN(ES_AND_GS_AUTO);
2180 WREG32(VGT_CACHE_INVALIDATION, vgt_cache_invalidation);
2182 WREG32(VGT_GS_VERTEX_REUSE, 16);
2183 WREG32(PA_SU_LINE_STIPPLE_VALUE, 0);
2184 WREG32(PA_SC_LINE_STIPPLE_STATE, 0);
2186 WREG32(VGT_VERTEX_REUSE_BLOCK_CNTL, 14);
2187 WREG32(VGT_OUT_DEALLOC_CNTL, 16);
2189 WREG32(CB_PERF_CTR0_SEL_0, 0);
2190 WREG32(CB_PERF_CTR0_SEL_1, 0);
2191 WREG32(CB_PERF_CTR1_SEL_0, 0);
2192 WREG32(CB_PERF_CTR1_SEL_1, 0);
2193 WREG32(CB_PERF_CTR2_SEL_0, 0);
2194 WREG32(CB_PERF_CTR2_SEL_1, 0);
2195 WREG32(CB_PERF_CTR3_SEL_0, 0);
2196 WREG32(CB_PERF_CTR3_SEL_1, 0);
2198 /* clear render buffer base addresses */
2199 WREG32(CB_COLOR0_BASE, 0);
2200 WREG32(CB_COLOR1_BASE, 0);
2201 WREG32(CB_COLOR2_BASE, 0);
2202 WREG32(CB_COLOR3_BASE, 0);
2203 WREG32(CB_COLOR4_BASE, 0);
2204 WREG32(CB_COLOR5_BASE, 0);
2205 WREG32(CB_COLOR6_BASE, 0);
2206 WREG32(CB_COLOR7_BASE, 0);
2207 WREG32(CB_COLOR8_BASE, 0);
2208 WREG32(CB_COLOR9_BASE, 0);
2209 WREG32(CB_COLOR10_BASE, 0);
2210 WREG32(CB_COLOR11_BASE, 0);
2212 /* set the shader const cache sizes to 0 */
2213 for (i = SQ_ALU_CONST_BUFFER_SIZE_PS_0; i < 0x28200; i += 4)
2215 for (i = SQ_ALU_CONST_BUFFER_SIZE_HS_0; i < 0x29000; i += 4)
2218 tmp = RREG32(HDP_MISC_CNTL);
2219 tmp |= HDP_FLUSH_INVALIDATE_CACHE;
2220 WREG32(HDP_MISC_CNTL, tmp);
2222 hdp_host_path_cntl = RREG32(HDP_HOST_PATH_CNTL);
2223 WREG32(HDP_HOST_PATH_CNTL, hdp_host_path_cntl);
2225 WREG32(PA_CL_ENHANCE, CLIP_VTX_REORDER_ENA | NUM_CLIP_SEQ(3));
2231 int evergreen_mc_init(struct radeon_device *rdev)
2234 int chansize, numchan;
2236 /* Get VRAM informations */
2237 rdev->mc.vram_is_ddr = true;
2238 if ((rdev->family == CHIP_PALM) ||
2239 (rdev->family == CHIP_SUMO) ||
2240 (rdev->family == CHIP_SUMO2))
2241 tmp = RREG32(FUS_MC_ARB_RAMCFG);
2243 tmp = RREG32(MC_ARB_RAMCFG);
2244 if (tmp & CHANSIZE_OVERRIDE) {
2246 } else if (tmp & CHANSIZE_MASK) {
2251 tmp = RREG32(MC_SHARED_CHMAP);
2252 switch ((tmp & NOOFCHAN_MASK) >> NOOFCHAN_SHIFT) {
2267 rdev->mc.vram_width = numchan * chansize;
2268 /* Could aper size report 0 ? */
2269 rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
2270 rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
2271 /* Setup GPU memory space */
2272 if ((rdev->family == CHIP_PALM) ||
2273 (rdev->family == CHIP_SUMO) ||
2274 (rdev->family == CHIP_SUMO2)) {
2275 /* size in bytes on fusion */
2276 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
2277 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
2279 /* size in MB on evergreen/cayman/tn */
2280 rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
2281 rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
2283 rdev->mc.visible_vram_size = rdev->mc.aper_size;
2284 r700_vram_gtt_location(rdev, &rdev->mc);
2285 radeon_update_bandwidth_info(rdev);
2290 bool evergreen_gpu_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring)
2294 u32 grbm_status_se0, grbm_status_se1;
2296 srbm_status = RREG32(SRBM_STATUS);
2297 grbm_status = RREG32(GRBM_STATUS);
2298 grbm_status_se0 = RREG32(GRBM_STATUS_SE0);
2299 grbm_status_se1 = RREG32(GRBM_STATUS_SE1);
2300 if (!(grbm_status & GUI_ACTIVE)) {
2301 radeon_ring_lockup_update(ring);
2304 /* force CP activities */
2305 radeon_ring_force_activity(rdev, ring);
2306 return radeon_ring_test_lockup(rdev, ring);
2309 static void evergreen_gpu_soft_reset_gfx(struct radeon_device *rdev)
2313 if (!(RREG32(GRBM_STATUS) & GUI_ACTIVE))
2316 dev_info(rdev->dev, " GRBM_STATUS = 0x%08X\n",
2317 RREG32(GRBM_STATUS));
2318 dev_info(rdev->dev, " GRBM_STATUS_SE0 = 0x%08X\n",
2319 RREG32(GRBM_STATUS_SE0));
2320 dev_info(rdev->dev, " GRBM_STATUS_SE1 = 0x%08X\n",
2321 RREG32(GRBM_STATUS_SE1));
2322 dev_info(rdev->dev, " SRBM_STATUS = 0x%08X\n",
2323 RREG32(SRBM_STATUS));
2324 dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n",
2325 RREG32(CP_STALLED_STAT1));
2326 dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n",
2327 RREG32(CP_STALLED_STAT2));
2328 dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n",
2329 RREG32(CP_BUSY_STAT));
2330 dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n",
2333 /* Disable CP parsing/prefetching */
2334 WREG32(CP_ME_CNTL, CP_ME_HALT | CP_PFP_HALT);
2336 /* reset all the gfx blocks */
2337 grbm_reset = (SOFT_RESET_CP |
2350 dev_info(rdev->dev, " GRBM_SOFT_RESET=0x%08X\n", grbm_reset);
2351 WREG32(GRBM_SOFT_RESET, grbm_reset);
2352 (void)RREG32(GRBM_SOFT_RESET);
2354 WREG32(GRBM_SOFT_RESET, 0);
2355 (void)RREG32(GRBM_SOFT_RESET);
2357 dev_info(rdev->dev, " GRBM_STATUS = 0x%08X\n",
2358 RREG32(GRBM_STATUS));
2359 dev_info(rdev->dev, " GRBM_STATUS_SE0 = 0x%08X\n",
2360 RREG32(GRBM_STATUS_SE0));
2361 dev_info(rdev->dev, " GRBM_STATUS_SE1 = 0x%08X\n",
2362 RREG32(GRBM_STATUS_SE1));
2363 dev_info(rdev->dev, " SRBM_STATUS = 0x%08X\n",
2364 RREG32(SRBM_STATUS));
2365 dev_info(rdev->dev, " R_008674_CP_STALLED_STAT1 = 0x%08X\n",
2366 RREG32(CP_STALLED_STAT1));
2367 dev_info(rdev->dev, " R_008678_CP_STALLED_STAT2 = 0x%08X\n",
2368 RREG32(CP_STALLED_STAT2));
2369 dev_info(rdev->dev, " R_00867C_CP_BUSY_STAT = 0x%08X\n",
2370 RREG32(CP_BUSY_STAT));
2371 dev_info(rdev->dev, " R_008680_CP_STAT = 0x%08X\n",
2375 static void evergreen_gpu_soft_reset_dma(struct radeon_device *rdev)
2379 if (RREG32(DMA_STATUS_REG) & DMA_IDLE)
2382 dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n",
2383 RREG32(DMA_STATUS_REG));
2386 tmp = RREG32(DMA_RB_CNTL);
2387 tmp &= ~DMA_RB_ENABLE;
2388 WREG32(DMA_RB_CNTL, tmp);
2391 WREG32(SRBM_SOFT_RESET, SOFT_RESET_DMA);
2392 RREG32(SRBM_SOFT_RESET);
2394 WREG32(SRBM_SOFT_RESET, 0);
2396 dev_info(rdev->dev, " R_00D034_DMA_STATUS_REG = 0x%08X\n",
2397 RREG32(DMA_STATUS_REG));
2400 static int evergreen_gpu_soft_reset(struct radeon_device *rdev, u32 reset_mask)
2402 struct evergreen_mc_save save;
2404 if (reset_mask == 0)
2407 dev_info(rdev->dev, "GPU softreset: 0x%08X\n", reset_mask);
2409 evergreen_mc_stop(rdev, &save);
2410 if (evergreen_mc_wait_for_idle(rdev)) {
2411 dev_warn(rdev->dev, "Wait for MC idle timedout !\n");
2414 if (reset_mask & (RADEON_RESET_GFX | RADEON_RESET_COMPUTE))
2415 evergreen_gpu_soft_reset_gfx(rdev);
2417 if (reset_mask & RADEON_RESET_DMA)
2418 evergreen_gpu_soft_reset_dma(rdev);
2420 /* Wait a little for things to settle down */
2423 evergreen_mc_resume(rdev, &save);
2427 int evergreen_asic_reset(struct radeon_device *rdev)
2429 return evergreen_gpu_soft_reset(rdev, (RADEON_RESET_GFX |
2430 RADEON_RESET_COMPUTE |
2436 u32 evergreen_get_vblank_counter(struct radeon_device *rdev, int crtc)
2438 if (crtc >= rdev->num_crtc)
2441 return RREG32(CRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
2444 void evergreen_disable_interrupt_state(struct radeon_device *rdev)
2448 if (rdev->family >= CHIP_CAYMAN) {
2449 cayman_cp_int_cntl_setup(rdev, 0,
2450 CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
2451 cayman_cp_int_cntl_setup(rdev, 1, 0);
2452 cayman_cp_int_cntl_setup(rdev, 2, 0);
2453 tmp = RREG32(CAYMAN_DMA1_CNTL) & ~TRAP_ENABLE;
2454 WREG32(CAYMAN_DMA1_CNTL, tmp);
2456 WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
2457 tmp = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
2458 WREG32(DMA_CNTL, tmp);
2459 WREG32(GRBM_INT_CNTL, 0);
2460 WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
2461 WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
2462 if (rdev->num_crtc >= 4) {
2463 WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
2464 WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
2466 if (rdev->num_crtc >= 6) {
2467 WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
2468 WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
2471 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
2472 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
2473 if (rdev->num_crtc >= 4) {
2474 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, 0);
2475 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, 0);
2477 if (rdev->num_crtc >= 6) {
2478 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, 0);
2479 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, 0);
2482 /* only one DAC on DCE6 */
2483 if (!ASIC_IS_DCE6(rdev))
2484 WREG32(DACA_AUTODETECT_INT_CONTROL, 0);
2485 WREG32(DACB_AUTODETECT_INT_CONTROL, 0);
2487 tmp = RREG32(DC_HPD1_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2488 WREG32(DC_HPD1_INT_CONTROL, tmp);
2489 tmp = RREG32(DC_HPD2_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2490 WREG32(DC_HPD2_INT_CONTROL, tmp);
2491 tmp = RREG32(DC_HPD3_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2492 WREG32(DC_HPD3_INT_CONTROL, tmp);
2493 tmp = RREG32(DC_HPD4_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2494 WREG32(DC_HPD4_INT_CONTROL, tmp);
2495 tmp = RREG32(DC_HPD5_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2496 WREG32(DC_HPD5_INT_CONTROL, tmp);
2497 tmp = RREG32(DC_HPD6_INT_CONTROL) & DC_HPDx_INT_POLARITY;
2498 WREG32(DC_HPD6_INT_CONTROL, tmp);
2502 int evergreen_irq_set(struct radeon_device *rdev)
2504 u32 cp_int_cntl = CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE;
2505 u32 cp_int_cntl1 = 0, cp_int_cntl2 = 0;
2506 u32 crtc1 = 0, crtc2 = 0, crtc3 = 0, crtc4 = 0, crtc5 = 0, crtc6 = 0;
2507 u32 hpd1, hpd2, hpd3, hpd4, hpd5, hpd6;
2508 u32 grbm_int_cntl = 0;
2509 u32 grph1 = 0, grph2 = 0, grph3 = 0, grph4 = 0, grph5 = 0, grph6 = 0;
2510 u32 afmt1 = 0, afmt2 = 0, afmt3 = 0, afmt4 = 0, afmt5 = 0, afmt6 = 0;
2511 u32 dma_cntl, dma_cntl1 = 0;
2513 if (!rdev->irq.installed) {
2514 WARN(1, "Can't enable IRQ/MSI because no handler is installed\n");
2517 /* don't enable anything if the ih is disabled */
2518 if (!rdev->ih.enabled) {
2519 r600_disable_interrupts(rdev);
2520 /* force the active interrupt state to all disabled */
2521 evergreen_disable_interrupt_state(rdev);
2525 hpd1 = RREG32(DC_HPD1_INT_CONTROL) & ~DC_HPDx_INT_EN;
2526 hpd2 = RREG32(DC_HPD2_INT_CONTROL) & ~DC_HPDx_INT_EN;
2527 hpd3 = RREG32(DC_HPD3_INT_CONTROL) & ~DC_HPDx_INT_EN;
2528 hpd4 = RREG32(DC_HPD4_INT_CONTROL) & ~DC_HPDx_INT_EN;
2529 hpd5 = RREG32(DC_HPD5_INT_CONTROL) & ~DC_HPDx_INT_EN;
2530 hpd6 = RREG32(DC_HPD6_INT_CONTROL) & ~DC_HPDx_INT_EN;
2532 afmt1 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2533 afmt2 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2534 afmt3 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2535 afmt4 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2536 afmt5 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2537 afmt6 = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET) & ~AFMT_AZ_FORMAT_WTRIG_MASK;
2539 dma_cntl = RREG32(DMA_CNTL) & ~TRAP_ENABLE;
2541 if (rdev->family >= CHIP_CAYMAN) {
2542 /* enable CP interrupts on all rings */
2543 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
2544 DRM_DEBUG("evergreen_irq_set: sw int gfx\n");
2545 cp_int_cntl |= TIME_STAMP_INT_ENABLE;
2547 if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP1_INDEX])) {
2548 DRM_DEBUG("evergreen_irq_set: sw int cp1\n");
2549 cp_int_cntl1 |= TIME_STAMP_INT_ENABLE;
2551 if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_CP2_INDEX])) {
2552 DRM_DEBUG("evergreen_irq_set: sw int cp2\n");
2553 cp_int_cntl2 |= TIME_STAMP_INT_ENABLE;
2556 if (atomic_read(&rdev->irq.ring_int[RADEON_RING_TYPE_GFX_INDEX])) {
2557 DRM_DEBUG("evergreen_irq_set: sw int gfx\n");
2558 cp_int_cntl |= RB_INT_ENABLE;
2559 cp_int_cntl |= TIME_STAMP_INT_ENABLE;
2563 if (atomic_read(&rdev->irq.ring_int[R600_RING_TYPE_DMA_INDEX])) {
2564 DRM_DEBUG("r600_irq_set: sw int dma\n");
2565 dma_cntl |= TRAP_ENABLE;
2568 if (rdev->family >= CHIP_CAYMAN) {
2569 dma_cntl1 = RREG32(CAYMAN_DMA1_CNTL) & ~TRAP_ENABLE;
2570 if (atomic_read(&rdev->irq.ring_int[CAYMAN_RING_TYPE_DMA1_INDEX])) {
2571 DRM_DEBUG("r600_irq_set: sw int dma1\n");
2572 dma_cntl1 |= TRAP_ENABLE;
2576 if (rdev->irq.crtc_vblank_int[0] ||
2577 atomic_read(&rdev->irq.pflip[0])) {
2578 DRM_DEBUG("evergreen_irq_set: vblank 0\n");
2579 crtc1 |= VBLANK_INT_MASK;
2581 if (rdev->irq.crtc_vblank_int[1] ||
2582 atomic_read(&rdev->irq.pflip[1])) {
2583 DRM_DEBUG("evergreen_irq_set: vblank 1\n");
2584 crtc2 |= VBLANK_INT_MASK;
2586 if (rdev->irq.crtc_vblank_int[2] ||
2587 atomic_read(&rdev->irq.pflip[2])) {
2588 DRM_DEBUG("evergreen_irq_set: vblank 2\n");
2589 crtc3 |= VBLANK_INT_MASK;
2591 if (rdev->irq.crtc_vblank_int[3] ||
2592 atomic_read(&rdev->irq.pflip[3])) {
2593 DRM_DEBUG("evergreen_irq_set: vblank 3\n");
2594 crtc4 |= VBLANK_INT_MASK;
2596 if (rdev->irq.crtc_vblank_int[4] ||
2597 atomic_read(&rdev->irq.pflip[4])) {
2598 DRM_DEBUG("evergreen_irq_set: vblank 4\n");
2599 crtc5 |= VBLANK_INT_MASK;
2601 if (rdev->irq.crtc_vblank_int[5] ||
2602 atomic_read(&rdev->irq.pflip[5])) {
2603 DRM_DEBUG("evergreen_irq_set: vblank 5\n");
2604 crtc6 |= VBLANK_INT_MASK;
2606 if (rdev->irq.hpd[0]) {
2607 DRM_DEBUG("evergreen_irq_set: hpd 1\n");
2608 hpd1 |= DC_HPDx_INT_EN;
2610 if (rdev->irq.hpd[1]) {
2611 DRM_DEBUG("evergreen_irq_set: hpd 2\n");
2612 hpd2 |= DC_HPDx_INT_EN;
2614 if (rdev->irq.hpd[2]) {
2615 DRM_DEBUG("evergreen_irq_set: hpd 3\n");
2616 hpd3 |= DC_HPDx_INT_EN;
2618 if (rdev->irq.hpd[3]) {
2619 DRM_DEBUG("evergreen_irq_set: hpd 4\n");
2620 hpd4 |= DC_HPDx_INT_EN;
2622 if (rdev->irq.hpd[4]) {
2623 DRM_DEBUG("evergreen_irq_set: hpd 5\n");
2624 hpd5 |= DC_HPDx_INT_EN;
2626 if (rdev->irq.hpd[5]) {
2627 DRM_DEBUG("evergreen_irq_set: hpd 6\n");
2628 hpd6 |= DC_HPDx_INT_EN;
2630 if (rdev->irq.afmt[0]) {
2631 DRM_DEBUG("evergreen_irq_set: hdmi 0\n");
2632 afmt1 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2634 if (rdev->irq.afmt[1]) {
2635 DRM_DEBUG("evergreen_irq_set: hdmi 1\n");
2636 afmt2 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2638 if (rdev->irq.afmt[2]) {
2639 DRM_DEBUG("evergreen_irq_set: hdmi 2\n");
2640 afmt3 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2642 if (rdev->irq.afmt[3]) {
2643 DRM_DEBUG("evergreen_irq_set: hdmi 3\n");
2644 afmt4 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2646 if (rdev->irq.afmt[4]) {
2647 DRM_DEBUG("evergreen_irq_set: hdmi 4\n");
2648 afmt5 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2650 if (rdev->irq.afmt[5]) {
2651 DRM_DEBUG("evergreen_irq_set: hdmi 5\n");
2652 afmt6 |= AFMT_AZ_FORMAT_WTRIG_MASK;
2655 if (rdev->family >= CHIP_CAYMAN) {
2656 cayman_cp_int_cntl_setup(rdev, 0, cp_int_cntl);
2657 cayman_cp_int_cntl_setup(rdev, 1, cp_int_cntl1);
2658 cayman_cp_int_cntl_setup(rdev, 2, cp_int_cntl2);
2660 WREG32(CP_INT_CNTL, cp_int_cntl);
2662 WREG32(DMA_CNTL, dma_cntl);
2664 if (rdev->family >= CHIP_CAYMAN)
2665 WREG32(CAYMAN_DMA1_CNTL, dma_cntl1);
2667 WREG32(GRBM_INT_CNTL, grbm_int_cntl);
2669 WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, crtc1);
2670 WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, crtc2);
2671 if (rdev->num_crtc >= 4) {
2672 WREG32(INT_MASK + EVERGREEN_CRTC2_REGISTER_OFFSET, crtc3);
2673 WREG32(INT_MASK + EVERGREEN_CRTC3_REGISTER_OFFSET, crtc4);
2675 if (rdev->num_crtc >= 6) {
2676 WREG32(INT_MASK + EVERGREEN_CRTC4_REGISTER_OFFSET, crtc5);
2677 WREG32(INT_MASK + EVERGREEN_CRTC5_REGISTER_OFFSET, crtc6);
2680 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, grph1);
2681 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, grph2);
2682 if (rdev->num_crtc >= 4) {
2683 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, grph3);
2684 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, grph4);
2686 if (rdev->num_crtc >= 6) {
2687 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, grph5);
2688 WREG32(GRPH_INT_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, grph6);
2691 WREG32(DC_HPD1_INT_CONTROL, hpd1);
2692 WREG32(DC_HPD2_INT_CONTROL, hpd2);
2693 WREG32(DC_HPD3_INT_CONTROL, hpd3);
2694 WREG32(DC_HPD4_INT_CONTROL, hpd4);
2695 WREG32(DC_HPD5_INT_CONTROL, hpd5);
2696 WREG32(DC_HPD6_INT_CONTROL, hpd6);
2698 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, afmt1);
2699 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, afmt2);
2700 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, afmt3);
2701 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, afmt4);
2702 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, afmt5);
2703 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, afmt6);
2708 static void evergreen_irq_ack(struct radeon_device *rdev)
2712 rdev->irq.stat_regs.evergreen.disp_int = RREG32(DISP_INTERRUPT_STATUS);
2713 rdev->irq.stat_regs.evergreen.disp_int_cont = RREG32(DISP_INTERRUPT_STATUS_CONTINUE);
2714 rdev->irq.stat_regs.evergreen.disp_int_cont2 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE2);
2715 rdev->irq.stat_regs.evergreen.disp_int_cont3 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE3);
2716 rdev->irq.stat_regs.evergreen.disp_int_cont4 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE4);
2717 rdev->irq.stat_regs.evergreen.disp_int_cont5 = RREG32(DISP_INTERRUPT_STATUS_CONTINUE5);
2718 rdev->irq.stat_regs.evergreen.d1grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET);
2719 rdev->irq.stat_regs.evergreen.d2grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET);
2720 if (rdev->num_crtc >= 4) {
2721 rdev->irq.stat_regs.evergreen.d3grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET);
2722 rdev->irq.stat_regs.evergreen.d4grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET);
2724 if (rdev->num_crtc >= 6) {
2725 rdev->irq.stat_regs.evergreen.d5grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET);
2726 rdev->irq.stat_regs.evergreen.d6grph_int = RREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET);
2729 rdev->irq.stat_regs.evergreen.afmt_status1 = RREG32(AFMT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET);
2730 rdev->irq.stat_regs.evergreen.afmt_status2 = RREG32(AFMT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET);
2731 rdev->irq.stat_regs.evergreen.afmt_status3 = RREG32(AFMT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET);
2732 rdev->irq.stat_regs.evergreen.afmt_status4 = RREG32(AFMT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET);
2733 rdev->irq.stat_regs.evergreen.afmt_status5 = RREG32(AFMT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET);
2734 rdev->irq.stat_regs.evergreen.afmt_status6 = RREG32(AFMT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET);
2736 if (rdev->irq.stat_regs.evergreen.d1grph_int & GRPH_PFLIP_INT_OCCURRED)
2737 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2738 if (rdev->irq.stat_regs.evergreen.d2grph_int & GRPH_PFLIP_INT_OCCURRED)
2739 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2740 if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT)
2741 WREG32(VBLANK_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VBLANK_ACK);
2742 if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT)
2743 WREG32(VLINE_STATUS + EVERGREEN_CRTC0_REGISTER_OFFSET, VLINE_ACK);
2744 if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT)
2745 WREG32(VBLANK_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VBLANK_ACK);
2746 if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT)
2747 WREG32(VLINE_STATUS + EVERGREEN_CRTC1_REGISTER_OFFSET, VLINE_ACK);
2749 if (rdev->num_crtc >= 4) {
2750 if (rdev->irq.stat_regs.evergreen.d3grph_int & GRPH_PFLIP_INT_OCCURRED)
2751 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2752 if (rdev->irq.stat_regs.evergreen.d4grph_int & GRPH_PFLIP_INT_OCCURRED)
2753 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2754 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT)
2755 WREG32(VBLANK_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VBLANK_ACK);
2756 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT)
2757 WREG32(VLINE_STATUS + EVERGREEN_CRTC2_REGISTER_OFFSET, VLINE_ACK);
2758 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT)
2759 WREG32(VBLANK_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VBLANK_ACK);
2760 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT)
2761 WREG32(VLINE_STATUS + EVERGREEN_CRTC3_REGISTER_OFFSET, VLINE_ACK);
2764 if (rdev->num_crtc >= 6) {
2765 if (rdev->irq.stat_regs.evergreen.d5grph_int & GRPH_PFLIP_INT_OCCURRED)
2766 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2767 if (rdev->irq.stat_regs.evergreen.d6grph_int & GRPH_PFLIP_INT_OCCURRED)
2768 WREG32(GRPH_INT_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, GRPH_PFLIP_INT_CLEAR);
2769 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT)
2770 WREG32(VBLANK_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VBLANK_ACK);
2771 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT)
2772 WREG32(VLINE_STATUS + EVERGREEN_CRTC4_REGISTER_OFFSET, VLINE_ACK);
2773 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT)
2774 WREG32(VBLANK_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VBLANK_ACK);
2775 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT)
2776 WREG32(VLINE_STATUS + EVERGREEN_CRTC5_REGISTER_OFFSET, VLINE_ACK);
2779 if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
2780 tmp = RREG32(DC_HPD1_INT_CONTROL);
2781 tmp |= DC_HPDx_INT_ACK;
2782 WREG32(DC_HPD1_INT_CONTROL, tmp);
2784 if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
2785 tmp = RREG32(DC_HPD2_INT_CONTROL);
2786 tmp |= DC_HPDx_INT_ACK;
2787 WREG32(DC_HPD2_INT_CONTROL, tmp);
2789 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
2790 tmp = RREG32(DC_HPD3_INT_CONTROL);
2791 tmp |= DC_HPDx_INT_ACK;
2792 WREG32(DC_HPD3_INT_CONTROL, tmp);
2794 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
2795 tmp = RREG32(DC_HPD4_INT_CONTROL);
2796 tmp |= DC_HPDx_INT_ACK;
2797 WREG32(DC_HPD4_INT_CONTROL, tmp);
2799 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
2800 tmp = RREG32(DC_HPD5_INT_CONTROL);
2801 tmp |= DC_HPDx_INT_ACK;
2802 WREG32(DC_HPD5_INT_CONTROL, tmp);
2804 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
2805 tmp = RREG32(DC_HPD5_INT_CONTROL);
2806 tmp |= DC_HPDx_INT_ACK;
2807 WREG32(DC_HPD6_INT_CONTROL, tmp);
2809 if (rdev->irq.stat_regs.evergreen.afmt_status1 & AFMT_AZ_FORMAT_WTRIG) {
2810 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET);
2811 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2812 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET, tmp);
2814 if (rdev->irq.stat_regs.evergreen.afmt_status2 & AFMT_AZ_FORMAT_WTRIG) {
2815 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET);
2816 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2817 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET, tmp);
2819 if (rdev->irq.stat_regs.evergreen.afmt_status3 & AFMT_AZ_FORMAT_WTRIG) {
2820 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET);
2821 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2822 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET, tmp);
2824 if (rdev->irq.stat_regs.evergreen.afmt_status4 & AFMT_AZ_FORMAT_WTRIG) {
2825 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET);
2826 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2827 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET, tmp);
2829 if (rdev->irq.stat_regs.evergreen.afmt_status5 & AFMT_AZ_FORMAT_WTRIG) {
2830 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET);
2831 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2832 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET, tmp);
2834 if (rdev->irq.stat_regs.evergreen.afmt_status6 & AFMT_AZ_FORMAT_WTRIG) {
2835 tmp = RREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);
2836 tmp |= AFMT_AZ_FORMAT_WTRIG_ACK;
2837 WREG32(AFMT_AUDIO_PACKET_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET, tmp);
2841 static void evergreen_irq_disable(struct radeon_device *rdev)
2843 r600_disable_interrupts(rdev);
2844 /* Wait and acknowledge irq */
2846 evergreen_irq_ack(rdev);
2847 evergreen_disable_interrupt_state(rdev);
2850 void evergreen_irq_suspend(struct radeon_device *rdev)
2852 evergreen_irq_disable(rdev);
2853 r600_rlc_stop(rdev);
2856 static u32 evergreen_get_ih_wptr(struct radeon_device *rdev)
2860 if (rdev->wb.enabled)
2861 wptr = le32_to_cpu(rdev->wb.wb[R600_WB_IH_WPTR_OFFSET/4]);
2863 wptr = RREG32(IH_RB_WPTR);
2865 if (wptr & RB_OVERFLOW) {
2866 /* When a ring buffer overflow happen start parsing interrupt
2867 * from the last not overwritten vector (wptr + 16). Hopefully
2868 * this should allow us to catchup.
2870 dev_warn(rdev->dev, "IH ring buffer overflow (0x%08X, %d, %d)\n",
2871 wptr, rdev->ih.rptr, (wptr + 16) + rdev->ih.ptr_mask);
2872 rdev->ih.rptr = (wptr + 16) & rdev->ih.ptr_mask;
2873 tmp = RREG32(IH_RB_CNTL);
2874 tmp |= IH_WPTR_OVERFLOW_CLEAR;
2875 WREG32(IH_RB_CNTL, tmp);
2877 return (wptr & rdev->ih.ptr_mask);
2880 int evergreen_irq_process(struct radeon_device *rdev)
2884 u32 src_id, src_data;
2886 bool queue_hotplug = false;
2887 bool queue_hdmi = false;
2889 if (!rdev->ih.enabled || rdev->shutdown)
2892 wptr = evergreen_get_ih_wptr(rdev);
2895 /* is somebody else already processing irqs? */
2896 if (atomic_xchg(&rdev->ih.lock, 1))
2899 rptr = rdev->ih.rptr;
2900 DRM_DEBUG("r600_irq_process start: rptr %d, wptr %d\n", rptr, wptr);
2902 /* Order reading of wptr vs. reading of IH ring data */
2905 /* display interrupts */
2906 evergreen_irq_ack(rdev);
2908 while (rptr != wptr) {
2909 /* wptr/rptr are in bytes! */
2910 ring_index = rptr / 4;
2911 src_id = le32_to_cpu(rdev->ih.ring[ring_index]) & 0xff;
2912 src_data = le32_to_cpu(rdev->ih.ring[ring_index + 1]) & 0xfffffff;
2915 case 1: /* D1 vblank/vline */
2917 case 0: /* D1 vblank */
2918 if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VBLANK_INTERRUPT) {
2919 if (rdev->irq.crtc_vblank_int[0]) {
2920 drm_handle_vblank(rdev->ddev, 0);
2921 rdev->pm.vblank_sync = true;
2922 wake_up(&rdev->irq.vblank_queue);
2924 if (atomic_read(&rdev->irq.pflip[0]))
2925 radeon_crtc_handle_flip(rdev, 0);
2926 rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VBLANK_INTERRUPT;
2927 DRM_DEBUG("IH: D1 vblank\n");
2930 case 1: /* D1 vline */
2931 if (rdev->irq.stat_regs.evergreen.disp_int & LB_D1_VLINE_INTERRUPT) {
2932 rdev->irq.stat_regs.evergreen.disp_int &= ~LB_D1_VLINE_INTERRUPT;
2933 DRM_DEBUG("IH: D1 vline\n");
2937 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2941 case 2: /* D2 vblank/vline */
2943 case 0: /* D2 vblank */
2944 if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VBLANK_INTERRUPT) {
2945 if (rdev->irq.crtc_vblank_int[1]) {
2946 drm_handle_vblank(rdev->ddev, 1);
2947 rdev->pm.vblank_sync = true;
2948 wake_up(&rdev->irq.vblank_queue);
2950 if (atomic_read(&rdev->irq.pflip[1]))
2951 radeon_crtc_handle_flip(rdev, 1);
2952 rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VBLANK_INTERRUPT;
2953 DRM_DEBUG("IH: D2 vblank\n");
2956 case 1: /* D2 vline */
2957 if (rdev->irq.stat_regs.evergreen.disp_int_cont & LB_D2_VLINE_INTERRUPT) {
2958 rdev->irq.stat_regs.evergreen.disp_int_cont &= ~LB_D2_VLINE_INTERRUPT;
2959 DRM_DEBUG("IH: D2 vline\n");
2963 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2967 case 3: /* D3 vblank/vline */
2969 case 0: /* D3 vblank */
2970 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VBLANK_INTERRUPT) {
2971 if (rdev->irq.crtc_vblank_int[2]) {
2972 drm_handle_vblank(rdev->ddev, 2);
2973 rdev->pm.vblank_sync = true;
2974 wake_up(&rdev->irq.vblank_queue);
2976 if (atomic_read(&rdev->irq.pflip[2]))
2977 radeon_crtc_handle_flip(rdev, 2);
2978 rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VBLANK_INTERRUPT;
2979 DRM_DEBUG("IH: D3 vblank\n");
2982 case 1: /* D3 vline */
2983 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & LB_D3_VLINE_INTERRUPT) {
2984 rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~LB_D3_VLINE_INTERRUPT;
2985 DRM_DEBUG("IH: D3 vline\n");
2989 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
2993 case 4: /* D4 vblank/vline */
2995 case 0: /* D4 vblank */
2996 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VBLANK_INTERRUPT) {
2997 if (rdev->irq.crtc_vblank_int[3]) {
2998 drm_handle_vblank(rdev->ddev, 3);
2999 rdev->pm.vblank_sync = true;
3000 wake_up(&rdev->irq.vblank_queue);
3002 if (atomic_read(&rdev->irq.pflip[3]))
3003 radeon_crtc_handle_flip(rdev, 3);
3004 rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VBLANK_INTERRUPT;
3005 DRM_DEBUG("IH: D4 vblank\n");
3008 case 1: /* D4 vline */
3009 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & LB_D4_VLINE_INTERRUPT) {
3010 rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~LB_D4_VLINE_INTERRUPT;
3011 DRM_DEBUG("IH: D4 vline\n");
3015 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3019 case 5: /* D5 vblank/vline */
3021 case 0: /* D5 vblank */
3022 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VBLANK_INTERRUPT) {
3023 if (rdev->irq.crtc_vblank_int[4]) {
3024 drm_handle_vblank(rdev->ddev, 4);
3025 rdev->pm.vblank_sync = true;
3026 wake_up(&rdev->irq.vblank_queue);
3028 if (atomic_read(&rdev->irq.pflip[4]))
3029 radeon_crtc_handle_flip(rdev, 4);
3030 rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VBLANK_INTERRUPT;
3031 DRM_DEBUG("IH: D5 vblank\n");
3034 case 1: /* D5 vline */
3035 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & LB_D5_VLINE_INTERRUPT) {
3036 rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~LB_D5_VLINE_INTERRUPT;
3037 DRM_DEBUG("IH: D5 vline\n");
3041 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3045 case 6: /* D6 vblank/vline */
3047 case 0: /* D6 vblank */
3048 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VBLANK_INTERRUPT) {
3049 if (rdev->irq.crtc_vblank_int[5]) {
3050 drm_handle_vblank(rdev->ddev, 5);
3051 rdev->pm.vblank_sync = true;
3052 wake_up(&rdev->irq.vblank_queue);
3054 if (atomic_read(&rdev->irq.pflip[5]))
3055 radeon_crtc_handle_flip(rdev, 5);
3056 rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VBLANK_INTERRUPT;
3057 DRM_DEBUG("IH: D6 vblank\n");
3060 case 1: /* D6 vline */
3061 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & LB_D6_VLINE_INTERRUPT) {
3062 rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~LB_D6_VLINE_INTERRUPT;
3063 DRM_DEBUG("IH: D6 vline\n");
3067 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3071 case 42: /* HPD hotplug */
3074 if (rdev->irq.stat_regs.evergreen.disp_int & DC_HPD1_INTERRUPT) {
3075 rdev->irq.stat_regs.evergreen.disp_int &= ~DC_HPD1_INTERRUPT;
3076 queue_hotplug = true;
3077 DRM_DEBUG("IH: HPD1\n");
3081 if (rdev->irq.stat_regs.evergreen.disp_int_cont & DC_HPD2_INTERRUPT) {
3082 rdev->irq.stat_regs.evergreen.disp_int_cont &= ~DC_HPD2_INTERRUPT;
3083 queue_hotplug = true;
3084 DRM_DEBUG("IH: HPD2\n");
3088 if (rdev->irq.stat_regs.evergreen.disp_int_cont2 & DC_HPD3_INTERRUPT) {
3089 rdev->irq.stat_regs.evergreen.disp_int_cont2 &= ~DC_HPD3_INTERRUPT;
3090 queue_hotplug = true;
3091 DRM_DEBUG("IH: HPD3\n");
3095 if (rdev->irq.stat_regs.evergreen.disp_int_cont3 & DC_HPD4_INTERRUPT) {
3096 rdev->irq.stat_regs.evergreen.disp_int_cont3 &= ~DC_HPD4_INTERRUPT;
3097 queue_hotplug = true;
3098 DRM_DEBUG("IH: HPD4\n");
3102 if (rdev->irq.stat_regs.evergreen.disp_int_cont4 & DC_HPD5_INTERRUPT) {
3103 rdev->irq.stat_regs.evergreen.disp_int_cont4 &= ~DC_HPD5_INTERRUPT;
3104 queue_hotplug = true;
3105 DRM_DEBUG("IH: HPD5\n");
3109 if (rdev->irq.stat_regs.evergreen.disp_int_cont5 & DC_HPD6_INTERRUPT) {
3110 rdev->irq.stat_regs.evergreen.disp_int_cont5 &= ~DC_HPD6_INTERRUPT;
3111 queue_hotplug = true;
3112 DRM_DEBUG("IH: HPD6\n");
3116 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3123 if (rdev->irq.stat_regs.evergreen.afmt_status1 & AFMT_AZ_FORMAT_WTRIG) {
3124 rdev->irq.stat_regs.evergreen.afmt_status1 &= ~AFMT_AZ_FORMAT_WTRIG;
3126 DRM_DEBUG("IH: HDMI0\n");
3130 if (rdev->irq.stat_regs.evergreen.afmt_status2 & AFMT_AZ_FORMAT_WTRIG) {
3131 rdev->irq.stat_regs.evergreen.afmt_status2 &= ~AFMT_AZ_FORMAT_WTRIG;
3133 DRM_DEBUG("IH: HDMI1\n");
3137 if (rdev->irq.stat_regs.evergreen.afmt_status3 & AFMT_AZ_FORMAT_WTRIG) {
3138 rdev->irq.stat_regs.evergreen.afmt_status3 &= ~AFMT_AZ_FORMAT_WTRIG;
3140 DRM_DEBUG("IH: HDMI2\n");
3144 if (rdev->irq.stat_regs.evergreen.afmt_status4 & AFMT_AZ_FORMAT_WTRIG) {
3145 rdev->irq.stat_regs.evergreen.afmt_status4 &= ~AFMT_AZ_FORMAT_WTRIG;
3147 DRM_DEBUG("IH: HDMI3\n");
3151 if (rdev->irq.stat_regs.evergreen.afmt_status5 & AFMT_AZ_FORMAT_WTRIG) {
3152 rdev->irq.stat_regs.evergreen.afmt_status5 &= ~AFMT_AZ_FORMAT_WTRIG;
3154 DRM_DEBUG("IH: HDMI4\n");
3158 if (rdev->irq.stat_regs.evergreen.afmt_status6 & AFMT_AZ_FORMAT_WTRIG) {
3159 rdev->irq.stat_regs.evergreen.afmt_status6 &= ~AFMT_AZ_FORMAT_WTRIG;
3161 DRM_DEBUG("IH: HDMI5\n");
3165 DRM_ERROR("Unhandled interrupt: %d %d\n", src_id, src_data);
3171 dev_err(rdev->dev, "GPU fault detected: %d 0x%08x\n", src_id, src_data);
3172 dev_err(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
3173 RREG32(VM_CONTEXT1_PROTECTION_FAULT_ADDR));
3174 dev_err(rdev->dev, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
3175 RREG32(VM_CONTEXT1_PROTECTION_FAULT_STATUS));
3176 /* reset addr and status */
3177 WREG32_P(VM_CONTEXT1_CNTL2, 1, ~1);
3179 case 176: /* CP_INT in ring buffer */
3180 case 177: /* CP_INT in IB1 */
3181 case 178: /* CP_INT in IB2 */
3182 DRM_DEBUG("IH: CP int: 0x%08x\n", src_data);
3183 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
3185 case 181: /* CP EOP event */
3186 DRM_DEBUG("IH: CP EOP\n");
3187 if (rdev->family >= CHIP_CAYMAN) {
3190 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
3193 radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP1_INDEX);
3196 radeon_fence_process(rdev, CAYMAN_RING_TYPE_CP2_INDEX);
3200 radeon_fence_process(rdev, RADEON_RING_TYPE_GFX_INDEX);
3202 case 224: /* DMA trap event */
3203 DRM_DEBUG("IH: DMA trap\n");
3204 radeon_fence_process(rdev, R600_RING_TYPE_DMA_INDEX);
3206 case 233: /* GUI IDLE */
3207 DRM_DEBUG("IH: GUI idle\n");
3209 case 244: /* DMA trap event */
3210 if (rdev->family >= CHIP_CAYMAN) {
3211 DRM_DEBUG("IH: DMA1 trap\n");
3212 radeon_fence_process(rdev, CAYMAN_RING_TYPE_DMA1_INDEX);
3216 DRM_DEBUG("Unhandled interrupt: %d %d\n", src_id, src_data);
3220 /* wptr/rptr are in bytes! */
3222 rptr &= rdev->ih.ptr_mask;
3225 schedule_work(&rdev->hotplug_work);
3227 schedule_work(&rdev->audio_work);
3228 rdev->ih.rptr = rptr;
3229 WREG32(IH_RB_RPTR, rdev->ih.rptr);
3230 atomic_set(&rdev->ih.lock, 0);
3232 /* make sure wptr hasn't changed while processing */
3233 wptr = evergreen_get_ih_wptr(rdev);
3241 * evergreen_dma_fence_ring_emit - emit a fence on the DMA ring
3243 * @rdev: radeon_device pointer
3244 * @fence: radeon fence object
3246 * Add a DMA fence packet to the ring to write
3247 * the fence seq number and DMA trap packet to generate
3248 * an interrupt if needed (evergreen-SI).
3250 void evergreen_dma_fence_ring_emit(struct radeon_device *rdev,
3251 struct radeon_fence *fence)
3253 struct radeon_ring *ring = &rdev->ring[fence->ring];
3254 u64 addr = rdev->fence_drv[fence->ring].gpu_addr;
3255 /* write the fence */
3256 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_FENCE, 0, 0, 0));
3257 radeon_ring_write(ring, addr & 0xfffffffc);
3258 radeon_ring_write(ring, (upper_32_bits(addr) & 0xff));
3259 radeon_ring_write(ring, fence->seq);
3260 /* generate an interrupt */
3261 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_TRAP, 0, 0, 0));
3263 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_SRBM_WRITE, 0, 0, 0));
3264 radeon_ring_write(ring, (0xf << 16) | (HDP_MEM_COHERENCY_FLUSH_CNTL >> 2));
3265 radeon_ring_write(ring, 1);
3269 * evergreen_dma_ring_ib_execute - schedule an IB on the DMA engine
3271 * @rdev: radeon_device pointer
3272 * @ib: IB object to schedule
3274 * Schedule an IB in the DMA ring (evergreen).
3276 void evergreen_dma_ring_ib_execute(struct radeon_device *rdev,
3277 struct radeon_ib *ib)
3279 struct radeon_ring *ring = &rdev->ring[ib->ring];
3281 if (rdev->wb.enabled) {
3282 u32 next_rptr = ring->wptr + 4;
3283 while ((next_rptr & 7) != 5)
3286 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_WRITE, 0, 0, 1));
3287 radeon_ring_write(ring, ring->next_rptr_gpu_addr & 0xfffffffc);
3288 radeon_ring_write(ring, upper_32_bits(ring->next_rptr_gpu_addr) & 0xff);
3289 radeon_ring_write(ring, next_rptr);
3292 /* The indirect buffer packet must end on an 8 DW boundary in the DMA ring.
3293 * Pad as necessary with NOPs.
3295 while ((ring->wptr & 7) != 5)
3296 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
3297 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_INDIRECT_BUFFER, 0, 0, 0));
3298 radeon_ring_write(ring, (ib->gpu_addr & 0xFFFFFFE0));
3299 radeon_ring_write(ring, (ib->length_dw << 12) | (upper_32_bits(ib->gpu_addr) & 0xFF));
3304 * evergreen_copy_dma - copy pages using the DMA engine
3306 * @rdev: radeon_device pointer
3307 * @src_offset: src GPU address
3308 * @dst_offset: dst GPU address
3309 * @num_gpu_pages: number of GPU pages to xfer
3310 * @fence: radeon fence object
3312 * Copy GPU paging using the DMA engine (evergreen-cayman).
3313 * Used by the radeon ttm implementation to move pages if
3314 * registered as the asic copy callback.
3316 int evergreen_copy_dma(struct radeon_device *rdev,
3317 uint64_t src_offset, uint64_t dst_offset,
3318 unsigned num_gpu_pages,
3319 struct radeon_fence **fence)
3321 struct radeon_semaphore *sem = NULL;
3322 int ring_index = rdev->asic->copy.dma_ring_index;
3323 struct radeon_ring *ring = &rdev->ring[ring_index];
3324 u32 size_in_dw, cur_size_in_dw;
3328 r = radeon_semaphore_create(rdev, &sem);
3330 DRM_ERROR("radeon: moving bo (%d).\n", r);
3334 size_in_dw = (num_gpu_pages << RADEON_GPU_PAGE_SHIFT) / 4;
3335 num_loops = DIV_ROUND_UP(size_in_dw, 0xfffff);
3336 r = radeon_ring_lock(rdev, ring, num_loops * 5 + 11);
3338 DRM_ERROR("radeon: moving bo (%d).\n", r);
3339 radeon_semaphore_free(rdev, &sem, NULL);
3343 if (radeon_fence_need_sync(*fence, ring->idx)) {
3344 radeon_semaphore_sync_rings(rdev, sem, (*fence)->ring,
3346 radeon_fence_note_sync(*fence, ring->idx);
3348 radeon_semaphore_free(rdev, &sem, NULL);
3351 for (i = 0; i < num_loops; i++) {
3352 cur_size_in_dw = size_in_dw;
3353 if (cur_size_in_dw > 0xFFFFF)
3354 cur_size_in_dw = 0xFFFFF;
3355 size_in_dw -= cur_size_in_dw;
3356 radeon_ring_write(ring, DMA_PACKET(DMA_PACKET_COPY, 0, 0, cur_size_in_dw));
3357 radeon_ring_write(ring, dst_offset & 0xfffffffc);
3358 radeon_ring_write(ring, src_offset & 0xfffffffc);
3359 radeon_ring_write(ring, upper_32_bits(dst_offset) & 0xff);
3360 radeon_ring_write(ring, upper_32_bits(src_offset) & 0xff);
3361 src_offset += cur_size_in_dw * 4;
3362 dst_offset += cur_size_in_dw * 4;
3365 r = radeon_fence_emit(rdev, fence, ring->idx);
3367 radeon_ring_unlock_undo(rdev, ring);
3371 radeon_ring_unlock_commit(rdev, ring);
3372 radeon_semaphore_free(rdev, &sem, *fence);
3377 static int evergreen_startup(struct radeon_device *rdev)
3379 struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
3382 /* enable pcie gen2 link */
3383 evergreen_pcie_gen2_enable(rdev);
3385 if (ASIC_IS_DCE5(rdev)) {
3386 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw || !rdev->mc_fw) {
3387 r = ni_init_microcode(rdev);
3389 DRM_ERROR("Failed to load firmware!\n");
3393 r = ni_mc_load_microcode(rdev);
3395 DRM_ERROR("Failed to load MC firmware!\n");
3399 if (!rdev->me_fw || !rdev->pfp_fw || !rdev->rlc_fw) {
3400 r = r600_init_microcode(rdev);
3402 DRM_ERROR("Failed to load firmware!\n");
3408 r = r600_vram_scratch_init(rdev);
3412 evergreen_mc_program(rdev);
3413 if (rdev->flags & RADEON_IS_AGP) {
3414 evergreen_agp_enable(rdev);
3416 r = evergreen_pcie_gart_enable(rdev);
3420 evergreen_gpu_init(rdev);
3422 r = evergreen_blit_init(rdev);
3424 r600_blit_fini(rdev);
3425 rdev->asic->copy.copy = NULL;
3426 dev_warn(rdev->dev, "failed blitter (%d) falling back to memcpy\n", r);
3429 /* allocate wb buffer */
3430 r = radeon_wb_init(rdev);
3434 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
3436 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
3440 r = radeon_fence_driver_start_ring(rdev, R600_RING_TYPE_DMA_INDEX);
3442 dev_err(rdev->dev, "failed initializing DMA fences (%d).\n", r);
3447 r = r600_irq_init(rdev);
3449 DRM_ERROR("radeon: IH init failed (%d).\n", r);
3450 radeon_irq_kms_fini(rdev);
3453 evergreen_irq_set(rdev);
3455 r = radeon_ring_init(rdev, ring, ring->ring_size, RADEON_WB_CP_RPTR_OFFSET,
3456 R600_CP_RB_RPTR, R600_CP_RB_WPTR,
3457 0, 0xfffff, RADEON_CP_PACKET2);
3461 ring = &rdev->ring[R600_RING_TYPE_DMA_INDEX];
3462 r = radeon_ring_init(rdev, ring, ring->ring_size, R600_WB_DMA_RPTR_OFFSET,
3463 DMA_RB_RPTR, DMA_RB_WPTR,
3464 2, 0x3fffc, DMA_PACKET(DMA_PACKET_NOP, 0, 0, 0));
3468 r = evergreen_cp_load_microcode(rdev);
3471 r = evergreen_cp_resume(rdev);
3474 r = r600_dma_resume(rdev);
3478 r = radeon_ib_pool_init(rdev);
3480 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
3484 r = r600_audio_init(rdev);
3486 DRM_ERROR("radeon: audio init failed\n");
3493 int evergreen_resume(struct radeon_device *rdev)
3497 /* reset the asic, the gfx blocks are often in a bad state
3498 * after the driver is unloaded or after a resume
3500 if (radeon_asic_reset(rdev))
3501 dev_warn(rdev->dev, "GPU reset failed !\n");
3502 /* Do not reset GPU before posting, on rv770 hw unlike on r500 hw,
3503 * posting will perform necessary task to bring back GPU into good
3507 atom_asic_init(rdev->mode_info.atom_context);
3509 rdev->accel_working = true;
3510 r = evergreen_startup(rdev);
3512 DRM_ERROR("evergreen startup failed on resume\n");
3513 rdev->accel_working = false;
3521 int evergreen_suspend(struct radeon_device *rdev)
3523 r600_audio_fini(rdev);
3525 r600_dma_stop(rdev);
3526 evergreen_irq_suspend(rdev);
3527 radeon_wb_disable(rdev);
3528 evergreen_pcie_gart_disable(rdev);
3533 /* Plan is to move initialization in that function and use
3534 * helper function so that radeon_device_init pretty much
3535 * do nothing more than calling asic specific function. This
3536 * should also allow to remove a bunch of callback function
3539 int evergreen_init(struct radeon_device *rdev)
3544 if (!radeon_get_bios(rdev)) {
3545 if (ASIC_IS_AVIVO(rdev))
3548 /* Must be an ATOMBIOS */
3549 if (!rdev->is_atom_bios) {
3550 dev_err(rdev->dev, "Expecting atombios for evergreen GPU\n");
3553 r = radeon_atombios_init(rdev);
3556 /* reset the asic, the gfx blocks are often in a bad state
3557 * after the driver is unloaded or after a resume
3559 if (radeon_asic_reset(rdev))
3560 dev_warn(rdev->dev, "GPU reset failed !\n");
3561 /* Post card if necessary */
3562 if (!radeon_card_posted(rdev)) {
3564 dev_err(rdev->dev, "Card not posted and no BIOS - ignoring\n");
3567 DRM_INFO("GPU not posted. posting now...\n");
3568 atom_asic_init(rdev->mode_info.atom_context);
3570 /* Initialize scratch registers */
3571 r600_scratch_init(rdev);
3572 /* Initialize surface registers */
3573 radeon_surface_init(rdev);
3574 /* Initialize clocks */
3575 radeon_get_clock_info(rdev->ddev);
3577 r = radeon_fence_driver_init(rdev);
3580 /* initialize AGP */
3581 if (rdev->flags & RADEON_IS_AGP) {
3582 r = radeon_agp_init(rdev);
3584 radeon_agp_disable(rdev);
3586 /* initialize memory controller */
3587 r = evergreen_mc_init(rdev);
3590 /* Memory manager */
3591 r = radeon_bo_init(rdev);
3595 r = radeon_irq_kms_init(rdev);
3599 rdev->ring[RADEON_RING_TYPE_GFX_INDEX].ring_obj = NULL;
3600 r600_ring_init(rdev, &rdev->ring[RADEON_RING_TYPE_GFX_INDEX], 1024 * 1024);
3602 rdev->ring[R600_RING_TYPE_DMA_INDEX].ring_obj = NULL;
3603 r600_ring_init(rdev, &rdev->ring[R600_RING_TYPE_DMA_INDEX], 64 * 1024);
3605 rdev->ih.ring_obj = NULL;
3606 r600_ih_ring_init(rdev, 64 * 1024);
3608 r = r600_pcie_gart_init(rdev);
3612 rdev->accel_working = true;
3613 r = evergreen_startup(rdev);
3615 dev_err(rdev->dev, "disabling GPU acceleration\n");
3617 r600_dma_fini(rdev);
3618 r600_irq_fini(rdev);
3619 radeon_wb_fini(rdev);
3620 radeon_ib_pool_fini(rdev);
3621 radeon_irq_kms_fini(rdev);
3622 evergreen_pcie_gart_fini(rdev);
3623 rdev->accel_working = false;
3626 /* Don't start up if the MC ucode is missing on BTC parts.
3627 * The default clocks and voltages before the MC ucode
3628 * is loaded are not suffient for advanced operations.
3630 if (ASIC_IS_DCE5(rdev)) {
3631 if (!rdev->mc_fw && !(rdev->flags & RADEON_IS_IGP)) {
3632 DRM_ERROR("radeon: MC ucode required for NI+.\n");
3640 void evergreen_fini(struct radeon_device *rdev)
3642 r600_audio_fini(rdev);
3643 r600_blit_fini(rdev);
3645 r600_dma_fini(rdev);
3646 r600_irq_fini(rdev);
3647 radeon_wb_fini(rdev);
3648 radeon_ib_pool_fini(rdev);
3649 radeon_irq_kms_fini(rdev);
3650 evergreen_pcie_gart_fini(rdev);
3651 r600_vram_scratch_fini(rdev);
3652 radeon_gem_fini(rdev);
3653 radeon_fence_driver_fini(rdev);
3654 radeon_agp_fini(rdev);
3655 radeon_bo_fini(rdev);
3656 radeon_atombios_fini(rdev);
3661 void evergreen_pcie_gen2_enable(struct radeon_device *rdev)
3663 u32 link_width_cntl, speed_cntl, mask;
3666 if (radeon_pcie_gen2 == 0)
3669 if (rdev->flags & RADEON_IS_IGP)
3672 if (!(rdev->flags & RADEON_IS_PCIE))
3675 /* x2 cards have a special sequence */
3676 if (ASIC_IS_X2(rdev))
3679 ret = drm_pcie_get_speed_cap_mask(rdev->ddev, &mask);
3683 if (!(mask & DRM_PCIE_SPEED_50))
3686 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3687 if (speed_cntl & LC_CURRENT_DATA_RATE) {
3688 DRM_INFO("PCIE gen 2 link speeds already enabled\n");
3692 DRM_INFO("enabling PCIE gen 2 link speeds, disable with radeon.pcie_gen2=0\n");
3694 if ((speed_cntl & LC_OTHER_SIDE_EVER_SENT_GEN2) ||
3695 (speed_cntl & LC_OTHER_SIDE_SUPPORTS_GEN2)) {
3697 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3698 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3699 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
3701 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3702 speed_cntl &= ~LC_TARGET_LINK_SPEED_OVERRIDE_EN;
3703 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3705 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3706 speed_cntl |= LC_CLR_FAILED_SPD_CHANGE_CNT;
3707 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3709 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3710 speed_cntl &= ~LC_CLR_FAILED_SPD_CHANGE_CNT;
3711 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3713 speed_cntl = RREG32_PCIE_P(PCIE_LC_SPEED_CNTL);
3714 speed_cntl |= LC_GEN2_EN_STRAP;
3715 WREG32_PCIE_P(PCIE_LC_SPEED_CNTL, speed_cntl);
3718 link_width_cntl = RREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL);
3719 /* XXX: only disable it if gen1 bridge vendor == 0x111d or 0x1106 */
3721 link_width_cntl |= LC_UPCONFIGURE_DIS;
3723 link_width_cntl &= ~LC_UPCONFIGURE_DIS;
3724 WREG32_PCIE_P(PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);