2 * Copyright 2007 Jérôme Glisse
3 * Copyright 2007 Alex Deucher
4 * Copyright 2007 Dave Airlie
7 * Permission is hereby granted, free of charge, to any person obtaining
8 * a copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation on the rights to use, copy, modify, merge,
11 * publish, distribute, sublicense, and/or sell copies of the Software,
12 * and to permit persons to whom the Software is furnished to do so,
13 * subject to the following conditions:
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial
17 * portions of the Software.
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
22 * NON-INFRINGEMENT. IN NO EVENT SHALL ATI, VA LINUX SYSTEMS AND/OR
23 * THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
24 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
25 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
26 * DEALINGS IN THE SOFTWARE.
28 #include "radeon_ms.h"
30 static int radeon_ms_gpu_address_space_init(struct drm_device *dev)
32 struct drm_radeon_private *dev_priv = dev->dev_private;
33 struct radeon_state *state = &dev_priv->driver_state;
35 /* initialize gpu mapping */
36 dev_priv->gpu_vram_start = dev_priv->vram.offset;
37 dev_priv->gpu_vram_end = dev_priv->gpu_vram_start + dev_priv->vram.size;
38 /* align it on 16Mo boundary (clamp memory which is then
39 * unreachable but not manufacturer should use strange
41 dev_priv->gpu_vram_end = dev_priv->gpu_vram_end & (~0xFFFFFF);
42 dev_priv->gpu_vram_end -= 1;
43 dev_priv->gpu_vram_size = dev_priv->gpu_vram_end -
44 dev_priv->gpu_vram_start + 1;
45 /* set gart size to 32Mo FIXME: should make a parameter for this */
46 dev_priv->gpu_gart_size = 1024 * 1024 * 32;
47 if (dev_priv->gpu_gart_size > (0xffffffffU - dev_priv->gpu_vram_end)) {
48 /* align gart start to next 4Ko in gpu address space */
49 dev_priv->gpu_gart_start = (dev_priv->gpu_vram_end + 1) + 0xfff;
50 dev_priv->gpu_gart_start = dev_priv->gpu_gart_start & (~0xfff);
51 dev_priv->gpu_gart_end = dev_priv->gpu_gart_start +
52 dev_priv->gpu_gart_size;
53 dev_priv->gpu_gart_end = (dev_priv->gpu_gart_end & (~0xfff)) -
56 /* align gart start to next 4Ko in gpu address space */
57 dev_priv->gpu_gart_start = (dev_priv->gpu_vram_start & ~0xfff) -
58 dev_priv->gpu_gart_size;
59 dev_priv->gpu_gart_start = dev_priv->gpu_gart_start & (~0xfff);
60 dev_priv->gpu_gart_end = dev_priv->gpu_gart_start +
61 dev_priv->gpu_gart_size;
62 dev_priv->gpu_gart_end = (dev_priv->gpu_gart_end & (~0xfff)) -
65 state->mc_fb_location =
66 REG_S(MC_FB_LOCATION, MC_FB_START,
67 dev_priv->gpu_vram_start >> 16) |
68 REG_S(MC_FB_LOCATION, MC_FB_TOP, dev_priv->gpu_vram_end >> 16);
69 state->display_base_addr =
70 REG_S(DISPLAY_BASE_ADDR, DISPLAY_BASE_ADDR,
71 dev_priv->gpu_vram_start);
72 state->config_aper_0_base = dev_priv->gpu_vram_start;
73 state->config_aper_1_base = dev_priv->gpu_vram_start;
74 state->config_aper_size = dev_priv->gpu_vram_size;
75 DRM_INFO("[radeon_ms] gpu vram start 0x%08X\n",
76 dev_priv->gpu_vram_start);
77 DRM_INFO("[radeon_ms] gpu vram end 0x%08X\n",
78 dev_priv->gpu_vram_end);
79 DRM_INFO("[radeon_ms] gpu gart start 0x%08X\n",
80 dev_priv->gpu_gart_start);
81 DRM_INFO("[radeon_ms] gpu gart end 0x%08X\n",
82 dev_priv->gpu_gart_end);
86 static void radeon_ms_gpu_reset(struct drm_device *dev)
88 struct drm_radeon_private *dev_priv = dev->dev_private;
89 uint32_t clock_cntl_index, mclk_cntl, rbbm_soft_reset;
90 uint32_t reset_mask, host_path_cntl, cache_mode;
92 radeon_ms_cp_stop(dev);
93 radeon_ms_gpu_flush(dev);
96 clock_cntl_index = MMIO_R(CLOCK_CNTL_INDEX);
97 pll_index_errata(dev_priv);
98 mclk_cntl = PPLL_R(MCLK_CNTL);
101 MCLK_CNTL__FORCE_MCLKA |
102 MCLK_CNTL__FORCE_MCLKB |
103 MCLK_CNTL__FORCE_YCLKA |
104 MCLK_CNTL__FORCE_YCLKB |
105 MCLK_CNTL__FORCE_MC |
106 MCLK_CNTL__FORCE_AIC);
109 SCLK_CNTL__FORCE_CP |
110 SCLK_CNTL__FORCE_VIP);
112 /* Soft resetting HDP thru RBBM_SOFT_RESET register can cause some
113 * unexpected behaviour on some machines. Here we use
114 * RADEON_HOST_PATH_CNTL to reset it.
116 host_path_cntl = MMIO_R(HOST_PATH_CNTL);
117 rbbm_soft_reset = MMIO_R(RBBM_SOFT_RESET);
118 reset_mask = RBBM_SOFT_RESET__SOFT_RESET_CP |
119 RBBM_SOFT_RESET__SOFT_RESET_HI |
120 RBBM_SOFT_RESET__SOFT_RESET_VAP |
121 RBBM_SOFT_RESET__SOFT_RESET_SE |
122 RBBM_SOFT_RESET__SOFT_RESET_RE |
123 RBBM_SOFT_RESET__SOFT_RESET_PP |
124 RBBM_SOFT_RESET__SOFT_RESET_E2 |
125 RBBM_SOFT_RESET__SOFT_RESET_RB;
126 MMIO_W(RBBM_SOFT_RESET, rbbm_soft_reset | reset_mask);
127 MMIO_R(RBBM_SOFT_RESET);
128 MMIO_W(RBBM_SOFT_RESET, 0);
129 MMIO_R(RBBM_SOFT_RESET);
132 cache_mode = MMIO_R(RB2D_DSTCACHE_MODE);
133 MMIO_W(RB2D_DSTCACHE_MODE,
134 cache_mode | RB2D_DSTCACHE_MODE__DC_DISABLE_IGNORE_PE);
136 reset_mask = RBBM_SOFT_RESET__SOFT_RESET_CP |
137 RBBM_SOFT_RESET__SOFT_RESET_HI |
138 RBBM_SOFT_RESET__SOFT_RESET_E2;
139 MMIO_W(RBBM_SOFT_RESET, rbbm_soft_reset | reset_mask);
140 MMIO_R(RBBM_SOFT_RESET);
141 MMIO_W(RBBM_SOFT_RESET, 0);
142 cache_mode = MMIO_R(RB3D_DSTCACHE_CTLSTAT);
143 MMIO_W(RB3D_DSTCACHE_CTLSTAT, cache_mode | (0xf));
146 MMIO_W(HOST_PATH_CNTL, host_path_cntl | HOST_PATH_CNTL__HDP_SOFT_RESET);
147 MMIO_R(HOST_PATH_CNTL);
148 MMIO_W(HOST_PATH_CNTL, host_path_cntl);
149 MMIO_R(HOST_PATH_CNTL);
151 MMIO_W(CLOCK_CNTL_INDEX, clock_cntl_index);
152 pll_index_errata(dev_priv);
153 PPLL_W(MCLK_CNTL, mclk_cntl);
156 static void radeon_ms_gpu_resume(struct drm_device *dev)
158 struct drm_radeon_private *dev_priv = dev->dev_private;
162 /* make sure we have sane offset before restoring crtc */
163 a = (MMIO_R(MC_FB_LOCATION) & MC_FB_LOCATION__MC_FB_START__MASK) << 16;
164 MMIO_W(DISPLAY_BASE_ADDR, a);
165 MMIO_W(CRTC2_DISPLAY_BASE_ADDR, a);
166 MMIO_W(CRTC_OFFSET, 0);
167 MMIO_W(CUR_OFFSET, 0);
168 MMIO_W(CRTC_OFFSET_CNTL, CRTC_OFFSET_CNTL__CRTC_OFFSET_FLIP_CNTL);
169 MMIO_W(CRTC2_OFFSET, 0);
170 MMIO_W(CUR2_OFFSET, 0);
171 MMIO_W(CRTC2_OFFSET_CNTL, CRTC2_OFFSET_CNTL__CRTC2_OFFSET_FLIP_CNTL);
172 for (i = 0; i < dev_priv->usec_timeout; i++) {
173 if (!(CRTC_OFFSET__CRTC_GUI_TRIG_OFFSET &
174 MMIO_R(CRTC_OFFSET))) {
179 if (i >= dev_priv->usec_timeout) {
180 DRM_INFO("[radeon_ms] timeout waiting for crtc...\n");
182 for (i = 0; i < dev_priv->usec_timeout; i++) {
183 if (!(CRTC2_OFFSET__CRTC2_GUI_TRIG_OFFSET &
184 MMIO_R(CRTC2_OFFSET))) {
189 if (i >= dev_priv->usec_timeout) {
190 DRM_INFO("[radeon_ms] timeout waiting for crtc...\n");
195 static void radeon_ms_gpu_stop(struct drm_device *dev)
197 struct drm_radeon_private *dev_priv = dev->dev_private;
198 uint32_t ov0_scale_cntl, crtc_ext_cntl, crtc_gen_cntl;
199 uint32_t crtc2_gen_cntl, i;
201 /* Capture MC_STATUS in case things go wrong ... */
202 ov0_scale_cntl = dev_priv->ov0_scale_cntl = MMIO_R(OV0_SCALE_CNTL);
203 crtc_ext_cntl = dev_priv->crtc_ext_cntl = MMIO_R(CRTC_EXT_CNTL);
204 crtc_gen_cntl = dev_priv->crtc_gen_cntl = MMIO_R(CRTC_GEN_CNTL);
205 crtc2_gen_cntl = dev_priv->crtc2_gen_cntl = MMIO_R(CRTC2_GEN_CNTL);
206 ov0_scale_cntl &= ~OV0_SCALE_CNTL__OV0_OVERLAY_EN__MASK;
207 crtc_ext_cntl |= CRTC_EXT_CNTL__CRTC_DISPLAY_DIS;
208 crtc_gen_cntl &= ~CRTC_GEN_CNTL__CRTC_CUR_EN;
209 crtc_gen_cntl &= ~CRTC_GEN_CNTL__CRTC_ICON_EN;
210 crtc_gen_cntl |= CRTC_GEN_CNTL__CRTC_EXT_DISP_EN;
211 crtc_gen_cntl |= CRTC_GEN_CNTL__CRTC_DISP_REQ_EN_B;
212 crtc2_gen_cntl &= ~CRTC2_GEN_CNTL__CRTC2_CUR_EN;
213 crtc2_gen_cntl &= ~CRTC2_GEN_CNTL__CRTC2_ICON_EN;
214 crtc2_gen_cntl |= CRTC2_GEN_CNTL__CRTC2_DISP_REQ_EN_B;
215 MMIO_W(OV0_SCALE_CNTL, ov0_scale_cntl);
216 MMIO_W(CRTC_EXT_CNTL, crtc_ext_cntl);
217 MMIO_W(CRTC_GEN_CNTL, crtc_gen_cntl);
218 MMIO_W(CRTC2_GEN_CNTL, crtc2_gen_cntl);
220 switch (dev_priv->family) {
227 for (i = 0; i < dev_priv->usec_timeout; i++) {
228 if ((MC_STATUS__MC_IDLE & MMIO_R(MC_STATUS))) {
229 DRM_INFO("[radeon_ms] gpu stoped in %d usecs\n",
247 for (i = 0; i < dev_priv->usec_timeout; i++) {
248 if ((MC_STATUS__MC_IDLE_R3 & MMIO_R(MC_STATUS))) {
249 DRM_INFO("[radeon_ms] gpu stoped in %d usecs\n",
257 DRM_INFO("Unknown radeon family, aborting\n");
260 DRM_INFO("[radeon_ms] failed to stop gpu...will proceed anyway\n");
264 static int radeon_ms_wait_for_fifo(struct drm_device *dev, int num_fifo)
266 struct drm_radeon_private *dev_priv = dev->dev_private;
269 for (i = 0; i < dev_priv->usec_timeout; i++) {
271 t = RBBM_STATUS__CMDFIFO_AVAIL__MASK & MMIO_R(RBBM_STATUS);
272 t = t >> RBBM_STATUS__CMDFIFO_AVAIL__SHIFT;
277 DRM_INFO("[radeon_ms] failed to wait for fifo\n");
281 int radeon_ms_gpu_initialize(struct drm_device *dev)
283 struct drm_radeon_private *dev_priv = dev->dev_private;
284 struct radeon_state *state = &dev_priv->driver_state;
287 state->disp_misc_cntl = DISP_MISC_CNTL__SYNC_PAD_FLOP_EN |
288 REG_S(DISP_MISC_CNTL, SYNC_STRENGTH, 2) |
289 REG_S(DISP_MISC_CNTL, PALETTE_MEM_RD_MARGIN, 0xb) |
290 REG_S(DISP_MISC_CNTL, PALETTE2_MEM_RD_MARGIN, 0xb) |
291 REG_S(DISP_MISC_CNTL, RMX_BUF_MEM_RD_MARGIN, 0x5);
292 state->disp_merge_cntl = REG_S(DISP_MERGE_CNTL, DISP_GRPH_ALPHA, 0xff) |
293 REG_S(DISP_MERGE_CNTL, DISP_OV0_ALPHA, 0xff);
294 state->disp_pwr_man = DISP_PWR_MAN__DISP_PWR_MAN_D3_CRTC_EN |
295 DISP_PWR_MAN__DISP2_PWR_MAN_D3_CRTC2_EN |
296 REG_S(DISP_PWR_MAN, DISP_PWR_MAN_DPMS, DISP_PWR_MAN_DPMS__OFF) |
297 DISP_PWR_MAN__DISP_D3_RST |
298 DISP_PWR_MAN__DISP_D3_REG_RST |
299 DISP_PWR_MAN__DISP_D3_GRPH_RST |
300 DISP_PWR_MAN__DISP_D3_SUBPIC_RST |
301 DISP_PWR_MAN__DISP_D3_OV0_RST |
302 DISP_PWR_MAN__DISP_D1D2_GRPH_RST |
303 DISP_PWR_MAN__DISP_D1D2_SUBPIC_RST |
304 DISP_PWR_MAN__DISP_D1D2_OV0_RST |
305 DISP_PWR_MAN__DISP_DVO_ENABLE_RST |
306 DISP_PWR_MAN__TV_ENABLE_RST;
307 state->disp2_merge_cntl = 0;
308 ret = radeon_ms_gpu_address_space_init(dev);
314 ret = dev_priv->bus_init(dev);
321 void radeon_ms_gpu_dpms(struct drm_device *dev)
323 struct drm_radeon_private *dev_priv = dev->dev_private;
324 struct radeon_state *state = &dev_priv->driver_state;
326 if (dev_priv->crtc1_dpms == dev_priv->crtc2_dpms) {
327 /* both crtc are in same state so use global display pwr */
328 state->disp_pwr_man &= ~DISP_PWR_MAN__DISP_PWR_MAN_DPMS__MASK;
329 switch(dev_priv->crtc1_dpms) {
331 state->disp_pwr_man |= REG_S(DISP_PWR_MAN,
333 DISP_PWR_MAN_DPMS__ON);
335 case DPMSModeStandby:
336 state->disp_pwr_man |= REG_S(DISP_PWR_MAN,
338 DISP_PWR_MAN_DPMS__STANDBY);
340 case DPMSModeSuspend:
341 state->disp_pwr_man |= REG_S(DISP_PWR_MAN,
343 DISP_PWR_MAN_DPMS__SUSPEND);
346 state->disp_pwr_man |= REG_S(DISP_PWR_MAN,
348 DISP_PWR_MAN_DPMS__OFF);
354 MMIO_W(DISP_PWR_MAN, state->disp_pwr_man);
356 state->disp_pwr_man &= ~DISP_PWR_MAN__DISP_PWR_MAN_DPMS__MASK;
357 state->disp_pwr_man |= REG_S(DISP_PWR_MAN,
359 DISP_PWR_MAN_DPMS__ON);
360 MMIO_W(DISP_PWR_MAN, state->disp_pwr_man);
364 void radeon_ms_gpu_flush(struct drm_device *dev)
366 struct drm_radeon_private *dev_priv = dev->dev_private;
371 switch (dev_priv->family) {
378 purge2d = REG_S(RB2D_DSTCACHE_CTLSTAT, DC_FLUSH, 3) |
379 REG_S(RB2D_DSTCACHE_CTLSTAT, DC_FREE, 3);
380 purge3d = REG_S(RB3D_DSTCACHE_CTLSTAT, DC_FLUSH, 3) |
381 REG_S(RB3D_DSTCACHE_CTLSTAT, DC_FREE, 3);
382 MMIO_W(RB2D_DSTCACHE_CTLSTAT, purge2d);
383 MMIO_W(RB3D_DSTCACHE_CTLSTAT, purge3d);
396 purge2d = REG_S(RB2D_DSTCACHE_CTLSTAT, DC_FLUSH, 3) |
397 REG_S(RB2D_DSTCACHE_CTLSTAT, DC_FREE, 3);
398 purge3d = REG_S(RB3D_DSTCACHE_CTLSTAT_R3, DC_FLUSH, 3) |
399 REG_S(RB3D_DSTCACHE_CTLSTAT_R3, DC_FREE, 3);
400 MMIO_W(RB2D_DSTCACHE_CTLSTAT, purge2d);
401 MMIO_W(RB3D_DSTCACHE_CTLSTAT_R3, purge3d);
404 DRM_INFO("Unknown radeon family, aborting\n");
407 for (i = 0; i < dev_priv->usec_timeout; i++) {
408 if (!(RB2D_DSTCACHE_CTLSTAT__DC_BUSY &
409 MMIO_R(RB2D_DSTCACHE_CTLSTAT))) {
414 DRM_INFO("[radeon_ms] gpu flush timeout\n");
417 void radeon_ms_gpu_restore(struct drm_device *dev, struct radeon_state *state)
419 struct drm_radeon_private *dev_priv = dev->dev_private;
424 radeon_ms_gpu_reset(dev);
425 radeon_ms_wait_for_idle(dev);
426 radeon_ms_gpu_stop(dev);
428 MMIO_W(AIC_CTRL, state->aic_ctrl);
429 MMIO_W(MC_FB_LOCATION, state->mc_fb_location);
430 MMIO_R(MC_FB_LOCATION);
431 MMIO_W(CONFIG_APER_0_BASE, state->config_aper_0_base);
432 MMIO_W(CONFIG_APER_1_BASE, state->config_aper_1_base);
433 MMIO_W(CONFIG_APER_SIZE, state->config_aper_size);
434 MMIO_W(DISPLAY_BASE_ADDR, state->display_base_addr);
435 if (dev_priv->bus_restore) {
436 dev_priv->bus_restore(dev, state);
439 radeon_ms_gpu_reset(dev);
440 radeon_ms_gpu_resume(dev);
442 MMIO_W(BUS_CNTL, state->bus_cntl);
443 wait_until = WAIT_UNTIL__WAIT_DMA_VIPH0_IDLE |
444 WAIT_UNTIL__WAIT_DMA_VIPH1_IDLE |
445 WAIT_UNTIL__WAIT_DMA_VIPH2_IDLE |
446 WAIT_UNTIL__WAIT_DMA_VIPH3_IDLE |
447 WAIT_UNTIL__WAIT_DMA_VID_IDLE |
448 WAIT_UNTIL__WAIT_DMA_GUI_IDLE |
449 WAIT_UNTIL__WAIT_2D_IDLE |
450 WAIT_UNTIL__WAIT_3D_IDLE |
451 WAIT_UNTIL__WAIT_2D_IDLECLEAN |
452 WAIT_UNTIL__WAIT_3D_IDLECLEAN |
453 WAIT_UNTIL__WAIT_HOST_IDLECLEAN;
454 switch (dev_priv->family) {
473 wait_until |= WAIT_UNTIL__WAIT_VAP_IDLE;
476 MMIO_W(WAIT_UNTIL, wait_until);
477 MMIO_W(DISP_MISC_CNTL, state->disp_misc_cntl);
478 MMIO_W(DISP_PWR_MAN, state->disp_pwr_man);
479 MMIO_W(DISP_MERGE_CNTL, state->disp_merge_cntl);
480 MMIO_W(DISP_OUTPUT_CNTL, state->disp_output_cntl);
481 MMIO_W(DISP2_MERGE_CNTL, state->disp2_merge_cntl);
483 /* Setup engine location. This shouldn't be necessary since we
484 * set them appropriately before any accel ops, but let's avoid
485 * random bogus DMA in case we inadvertently trigger the engine
486 * in the wrong place (happened).
488 ret = radeon_ms_wait_for_fifo(dev, 2);
491 DRM_INFO("[radeon_ms] no fifo for setting up dst & src gui\n");
492 DRM_INFO("[radeon_ms] proceed anyway\n");
494 fbstart = (MC_FB_LOCATION__MC_FB_START__MASK &
495 MMIO_R(MC_FB_LOCATION)) << 16;
496 MMIO_W(DST_PITCH_OFFSET,
497 REG_S(DST_PITCH_OFFSET, DST_OFFSET, fbstart >> 10));
498 MMIO_W(SRC_PITCH_OFFSET,
499 REG_S(SRC_PITCH_OFFSET, SRC_OFFSET, fbstart >> 10));
501 ret = radeon_ms_wait_for_fifo(dev, 1);
504 DRM_INFO("[radeon_ms] no fifo for setting up dp data type\n");
505 DRM_INFO("[radeon_ms] proceed anyway\n");
508 MMIO_W(DP_DATATYPE, DP_DATATYPE__DP_BYTE_PIX_ORDER);
510 MMIO_W(DP_DATATYPE, 0);
513 ret = radeon_ms_wait_for_fifo(dev, 1);
516 DRM_INFO("[radeon_ms] no fifo for setting up surface cntl\n");
517 DRM_INFO("[radeon_ms] proceed anyway\n");
519 MMIO_W(SURFACE_CNTL, SURFACE_CNTL__SURF_TRANSLATION_DIS);
521 ret = radeon_ms_wait_for_fifo(dev, 2);
524 DRM_INFO("[radeon_ms] no fifo for setting scissor\n");
525 DRM_INFO("[radeon_ms] proceed anyway\n");
527 MMIO_W(DEFAULT_SC_BOTTOM_RIGHT, 0x1fff1fff);
528 MMIO_W(DEFAULT2_SC_BOTTOM_RIGHT, 0x1fff1fff);
530 ret = radeon_ms_wait_for_fifo(dev, 1);
533 DRM_INFO("[radeon_ms] no fifo for setting up gui cntl\n");
534 DRM_INFO("[radeon_ms] proceed anyway\n");
536 MMIO_W(DP_GUI_MASTER_CNTL, 0);
538 ret = radeon_ms_wait_for_fifo(dev, 5);
541 DRM_INFO("[radeon_ms] no fifo for setting up clear color\n");
542 DRM_INFO("[radeon_ms] proceed anyway\n");
544 MMIO_W(DP_BRUSH_BKGD_CLR, 0x00000000);
545 MMIO_W(DP_BRUSH_FRGD_CLR, 0xffffffff);
546 MMIO_W(DP_SRC_BKGD_CLR, 0x00000000);
547 MMIO_W(DP_SRC_FRGD_CLR, 0xffffffff);
548 MMIO_W(DP_WRITE_MSK, 0xffffffff);
551 DRM_INFO("[radeon_ms] engine restore not enough fifo\n");
555 void radeon_ms_gpu_save(struct drm_device *dev, struct radeon_state *state)
557 struct drm_radeon_private *dev_priv = dev->dev_private;
559 state->aic_ctrl = MMIO_R(AIC_CTRL);
560 state->bus_cntl = MMIO_R(BUS_CNTL);
561 state->mc_fb_location = MMIO_R(MC_FB_LOCATION);
562 state->display_base_addr = MMIO_R(DISPLAY_BASE_ADDR);
563 state->config_aper_0_base = MMIO_R(CONFIG_APER_0_BASE);
564 state->config_aper_1_base = MMIO_R(CONFIG_APER_1_BASE);
565 state->config_aper_size = MMIO_R(CONFIG_APER_SIZE);
566 state->disp_misc_cntl = MMIO_R(DISP_MISC_CNTL);
567 state->disp_pwr_man = MMIO_R(DISP_PWR_MAN);
568 state->disp_merge_cntl = MMIO_R(DISP_MERGE_CNTL);
569 state->disp_output_cntl = MMIO_R(DISP_OUTPUT_CNTL);
570 state->disp2_merge_cntl = MMIO_R(DISP2_MERGE_CNTL);
571 if (dev_priv->bus_save) {
572 dev_priv->bus_save(dev, state);
576 int radeon_ms_wait_for_idle(struct drm_device *dev)
578 struct drm_radeon_private *dev_priv = dev->dev_private;
581 for (i = 0; i < 2; i++) {
582 ret = radeon_ms_wait_for_fifo(dev, 64);
584 DRM_INFO("[radeon_ms] fifo not empty\n");
586 for (j = 0; j < dev_priv->usec_timeout; j++) {
587 if (!(RBBM_STATUS__GUI_ACTIVE & MMIO_R(RBBM_STATUS))) {
588 radeon_ms_gpu_flush(dev);
593 DRM_INFO("[radeon_ms] idle timed out: status=0x%08x\n",
594 MMIO_R(RBBM_STATUS));
595 radeon_ms_gpu_reset(dev);
596 radeon_ms_gpu_resume(dev);