2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
24 * Authors: Dave Airlie
33 static int rs690_mc_wait_for_idle(struct radeon_device *rdev)
38 for (i = 0; i < rdev->usec_timeout; i++) {
40 tmp = RREG32_MC(R_000090_MC_SYSTEM_STATUS);
41 if (G_000090_MC_SYSTEM_IDLE(tmp))
48 static void rs690_gpu_init(struct radeon_device *rdev)
50 /* FIXME: HDP same place on rs690 ? */
52 /* FIXME: is this correct ? */
53 r420_pipes_init(rdev);
54 if (rs690_mc_wait_for_idle(rdev)) {
55 printk(KERN_WARNING "Failed to wait MC idle while "
56 "programming pipes. Bad things might happen.\n");
60 void rs690_pm_info(struct radeon_device *rdev)
62 int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo);
63 struct _ATOM_INTEGRATED_SYSTEM_INFO *info;
64 struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 *info_v2;
70 atom_parse_data_header(rdev->mode_info.atom_context, index, NULL,
71 &frev, &crev, &data_offset);
72 ptr = rdev->mode_info.atom_context->bios + data_offset;
73 info = (struct _ATOM_INTEGRATED_SYSTEM_INFO *)ptr;
74 info_v2 = (struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 *)ptr;
75 /* Get various system informations from bios */
78 tmp.full = rfixed_const(100);
79 rdev->pm.igp_sideport_mclk.full = rfixed_const(info->ulBootUpMemoryClock);
80 rdev->pm.igp_sideport_mclk.full = rfixed_div(rdev->pm.igp_sideport_mclk, tmp);
81 rdev->pm.igp_system_mclk.full = rfixed_const(le16_to_cpu(info->usK8MemoryClock));
82 rdev->pm.igp_ht_link_clk.full = rfixed_const(le16_to_cpu(info->usFSBClock));
83 rdev->pm.igp_ht_link_width.full = rfixed_const(info->ucHTLinkWidth);
86 tmp.full = rfixed_const(100);
87 rdev->pm.igp_sideport_mclk.full = rfixed_const(info_v2->ulBootUpSidePortClock);
88 rdev->pm.igp_sideport_mclk.full = rfixed_div(rdev->pm.igp_sideport_mclk, tmp);
89 rdev->pm.igp_system_mclk.full = rfixed_const(info_v2->ulBootUpUMAClock);
90 rdev->pm.igp_system_mclk.full = rfixed_div(rdev->pm.igp_system_mclk, tmp);
91 rdev->pm.igp_ht_link_clk.full = rfixed_const(info_v2->ulHTLinkFreq);
92 rdev->pm.igp_ht_link_clk.full = rfixed_div(rdev->pm.igp_ht_link_clk, tmp);
93 rdev->pm.igp_ht_link_width.full = rfixed_const(le16_to_cpu(info_v2->usMinHTLinkWidth));
96 tmp.full = rfixed_const(100);
97 /* We assume the slower possible clock ie worst case */
99 rdev->pm.igp_sideport_mclk.full = rfixed_const(333);
100 /* FIXME: system clock ? */
101 rdev->pm.igp_system_mclk.full = rfixed_const(100);
102 rdev->pm.igp_system_mclk.full = rfixed_div(rdev->pm.igp_system_mclk, tmp);
103 rdev->pm.igp_ht_link_clk.full = rfixed_const(200);
104 rdev->pm.igp_ht_link_width.full = rfixed_const(8);
105 DRM_ERROR("No integrated system info for your GPU, using safe default\n");
108 /* Compute various bandwidth */
109 /* k8_bandwidth = (memory_clk / 2) * 2 * 8 * 0.5 = memory_clk * 4 */
110 tmp.full = rfixed_const(4);
111 rdev->pm.k8_bandwidth.full = rfixed_mul(rdev->pm.igp_system_mclk, tmp);
112 /* ht_bandwidth = ht_clk * 2 * ht_width / 8 * 0.8
113 * = ht_clk * ht_width / 5
115 tmp.full = rfixed_const(5);
116 rdev->pm.ht_bandwidth.full = rfixed_mul(rdev->pm.igp_ht_link_clk,
117 rdev->pm.igp_ht_link_width);
118 rdev->pm.ht_bandwidth.full = rfixed_div(rdev->pm.ht_bandwidth, tmp);
119 if (tmp.full < rdev->pm.max_bandwidth.full) {
120 /* HT link is a limiting factor */
121 rdev->pm.max_bandwidth.full = tmp.full;
123 /* sideport_bandwidth = (sideport_clk / 2) * 2 * 2 * 0.7
124 * = (sideport_clk * 14) / 10
126 tmp.full = rfixed_const(14);
127 rdev->pm.sideport_bandwidth.full = rfixed_mul(rdev->pm.igp_sideport_mclk, tmp);
128 tmp.full = rfixed_const(10);
129 rdev->pm.sideport_bandwidth.full = rfixed_div(rdev->pm.sideport_bandwidth, tmp);
132 void rs690_mc_init(struct radeon_device *rdev)
137 rs400_gart_adjust_size(rdev);
138 rdev->mc.vram_is_ddr = true;
139 rdev->mc.vram_width = 128;
140 rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
141 rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
142 rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
143 rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
144 rdev->mc.visible_vram_size = rdev->mc.aper_size;
145 base = RREG32_MC(R_000100_MCCFG_FB_LOCATION);
146 base = G_000100_MC_FB_START(base) << 16;
148 /* FIXME: we should enforce default clock in case GPU is not in
151 a.full = rfixed_const(100);
152 rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk);
153 rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
154 a.full = rfixed_const(16);
155 /* core_bandwidth = sclk(Mhz) * 16 */
156 rdev->pm.core_bandwidth.full = rfixed_div(rdev->pm.sclk, a);
157 rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
158 radeon_vram_location(rdev, &rdev->mc, base);
159 radeon_gtt_location(rdev, &rdev->mc);
162 void rs690_line_buffer_adjust(struct radeon_device *rdev,
163 struct drm_display_mode *mode1,
164 struct drm_display_mode *mode2)
170 * There is a single line buffer shared by both display controllers.
171 * R_006520_DC_LB_MEMORY_SPLIT controls how that line buffer is shared between
172 * the display controllers. The paritioning can either be done
173 * manually or via one of four preset allocations specified in bits 1:0:
174 * 0 - line buffer is divided in half and shared between crtc
175 * 1 - D1 gets 3/4 of the line buffer, D2 gets 1/4
176 * 2 - D1 gets the whole buffer
177 * 3 - D1 gets 1/4 of the line buffer, D2 gets 3/4
178 * Setting bit 2 of R_006520_DC_LB_MEMORY_SPLIT controls switches to manual
179 * allocation mode. In manual allocation mode, D1 always starts at 0,
180 * D1 end/2 is specified in bits 14:4; D2 allocation follows D1.
182 tmp = RREG32(R_006520_DC_LB_MEMORY_SPLIT) & C_006520_DC_LB_MEMORY_SPLIT;
183 tmp &= ~C_006520_DC_LB_MEMORY_SPLIT_MODE;
185 if (mode1 && mode2) {
186 if (mode1->hdisplay > mode2->hdisplay) {
187 if (mode1->hdisplay > 2560)
188 tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1_3Q_D2_1Q;
190 tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1HALF_D2HALF;
191 } else if (mode2->hdisplay > mode1->hdisplay) {
192 if (mode2->hdisplay > 2560)
193 tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1_1Q_D2_3Q;
195 tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1HALF_D2HALF;
197 tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1HALF_D2HALF;
199 tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1_ONLY;
201 tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1_1Q_D2_3Q;
203 WREG32(R_006520_DC_LB_MEMORY_SPLIT, tmp);
206 struct rs690_watermark {
207 u32 lb_request_fifo_depth;
208 fixed20_12 num_line_pair;
209 fixed20_12 estimated_width;
210 fixed20_12 worst_case_latency;
211 fixed20_12 consumption_rate;
212 fixed20_12 active_time;
214 fixed20_12 priority_mark_max;
215 fixed20_12 priority_mark;
219 void rs690_crtc_bandwidth_compute(struct radeon_device *rdev,
220 struct radeon_crtc *crtc,
221 struct rs690_watermark *wm)
223 struct drm_display_mode *mode = &crtc->base.mode;
225 fixed20_12 pclk, request_fifo_depth, tolerable_latency, estimated_width;
226 fixed20_12 consumption_time, line_time, chunk_time, read_delay_latency;
227 /* FIXME: detect IGP with sideport memory, i don't think there is any
228 * such product available
230 bool sideport = false;
232 if (!crtc->base.enabled) {
233 /* FIXME: wouldn't it better to set priority mark to maximum */
234 wm->lb_request_fifo_depth = 4;
238 if (crtc->vsc.full > rfixed_const(2))
239 wm->num_line_pair.full = rfixed_const(2);
241 wm->num_line_pair.full = rfixed_const(1);
243 b.full = rfixed_const(mode->crtc_hdisplay);
244 c.full = rfixed_const(256);
245 a.full = rfixed_div(b, c);
246 request_fifo_depth.full = rfixed_mul(a, wm->num_line_pair);
247 request_fifo_depth.full = rfixed_ceil(request_fifo_depth);
248 if (a.full < rfixed_const(4)) {
249 wm->lb_request_fifo_depth = 4;
251 wm->lb_request_fifo_depth = rfixed_trunc(request_fifo_depth);
254 /* Determine consumption rate
255 * pclk = pixel clock period(ns) = 1000 / (mode.clock / 1000)
256 * vtaps = number of vertical taps,
257 * vsc = vertical scaling ratio, defined as source/destination
258 * hsc = horizontal scaling ration, defined as source/destination
260 a.full = rfixed_const(mode->clock);
261 b.full = rfixed_const(1000);
262 a.full = rfixed_div(a, b);
263 pclk.full = rfixed_div(b, a);
264 if (crtc->rmx_type != RMX_OFF) {
265 b.full = rfixed_const(2);
266 if (crtc->vsc.full > b.full)
267 b.full = crtc->vsc.full;
268 b.full = rfixed_mul(b, crtc->hsc);
269 c.full = rfixed_const(2);
270 b.full = rfixed_div(b, c);
271 consumption_time.full = rfixed_div(pclk, b);
273 consumption_time.full = pclk.full;
275 a.full = rfixed_const(1);
276 wm->consumption_rate.full = rfixed_div(a, consumption_time);
279 /* Determine line time
280 * LineTime = total time for one line of displayhtotal
281 * LineTime = total number of horizontal pixels
282 * pclk = pixel clock period(ns)
284 a.full = rfixed_const(crtc->base.mode.crtc_htotal);
285 line_time.full = rfixed_mul(a, pclk);
287 /* Determine active time
288 * ActiveTime = time of active region of display within one line,
289 * hactive = total number of horizontal active pixels
290 * htotal = total number of horizontal pixels
292 a.full = rfixed_const(crtc->base.mode.crtc_htotal);
293 b.full = rfixed_const(crtc->base.mode.crtc_hdisplay);
294 wm->active_time.full = rfixed_mul(line_time, b);
295 wm->active_time.full = rfixed_div(wm->active_time, a);
297 /* Maximun bandwidth is the minimun bandwidth of all component */
298 rdev->pm.max_bandwidth = rdev->pm.core_bandwidth;
300 if (rdev->pm.max_bandwidth.full > rdev->pm.sideport_bandwidth.full &&
301 rdev->pm.sideport_bandwidth.full)
302 rdev->pm.max_bandwidth = rdev->pm.sideport_bandwidth;
303 read_delay_latency.full = rfixed_const(370 * 800 * 1000);
304 read_delay_latency.full = rfixed_div(read_delay_latency,
305 rdev->pm.igp_sideport_mclk);
307 if (rdev->pm.max_bandwidth.full > rdev->pm.k8_bandwidth.full &&
308 rdev->pm.k8_bandwidth.full)
309 rdev->pm.max_bandwidth = rdev->pm.k8_bandwidth;
310 if (rdev->pm.max_bandwidth.full > rdev->pm.ht_bandwidth.full &&
311 rdev->pm.ht_bandwidth.full)
312 rdev->pm.max_bandwidth = rdev->pm.ht_bandwidth;
313 read_delay_latency.full = rfixed_const(5000);
316 /* sclk = system clocks(ns) = 1000 / max_bandwidth / 16 */
317 a.full = rfixed_const(16);
318 rdev->pm.sclk.full = rfixed_mul(rdev->pm.max_bandwidth, a);
319 a.full = rfixed_const(1000);
320 rdev->pm.sclk.full = rfixed_div(a, rdev->pm.sclk);
321 /* Determine chunk time
322 * ChunkTime = the time it takes the DCP to send one chunk of data
323 * to the LB which consists of pipeline delay and inter chunk gap
324 * sclk = system clock(ns)
326 a.full = rfixed_const(256 * 13);
327 chunk_time.full = rfixed_mul(rdev->pm.sclk, a);
328 a.full = rfixed_const(10);
329 chunk_time.full = rfixed_div(chunk_time, a);
331 /* Determine the worst case latency
332 * NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines)
333 * WorstCaseLatency = worst case time from urgent to when the MC starts
335 * READ_DELAY_IDLE_MAX = constant of 1us
336 * ChunkTime = time it takes the DCP to send one chunk of data to the LB
337 * which consists of pipeline delay and inter chunk gap
339 if (rfixed_trunc(wm->num_line_pair) > 1) {
340 a.full = rfixed_const(3);
341 wm->worst_case_latency.full = rfixed_mul(a, chunk_time);
342 wm->worst_case_latency.full += read_delay_latency.full;
344 a.full = rfixed_const(2);
345 wm->worst_case_latency.full = rfixed_mul(a, chunk_time);
346 wm->worst_case_latency.full += read_delay_latency.full;
349 /* Determine the tolerable latency
350 * TolerableLatency = Any given request has only 1 line time
351 * for the data to be returned
352 * LBRequestFifoDepth = Number of chunk requests the LB can
353 * put into the request FIFO for a display
354 * LineTime = total time for one line of display
355 * ChunkTime = the time it takes the DCP to send one chunk
356 * of data to the LB which consists of
357 * pipeline delay and inter chunk gap
359 if ((2+wm->lb_request_fifo_depth) >= rfixed_trunc(request_fifo_depth)) {
360 tolerable_latency.full = line_time.full;
362 tolerable_latency.full = rfixed_const(wm->lb_request_fifo_depth - 2);
363 tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full;
364 tolerable_latency.full = rfixed_mul(tolerable_latency, chunk_time);
365 tolerable_latency.full = line_time.full - tolerable_latency.full;
367 /* We assume worst case 32bits (4 bytes) */
368 wm->dbpp.full = rfixed_const(4 * 8);
370 /* Determine the maximum priority mark
371 * width = viewport width in pixels
373 a.full = rfixed_const(16);
374 wm->priority_mark_max.full = rfixed_const(crtc->base.mode.crtc_hdisplay);
375 wm->priority_mark_max.full = rfixed_div(wm->priority_mark_max, a);
376 wm->priority_mark_max.full = rfixed_ceil(wm->priority_mark_max);
378 /* Determine estimated width */
379 estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full;
380 estimated_width.full = rfixed_div(estimated_width, consumption_time);
381 if (rfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
382 wm->priority_mark.full = rfixed_const(10);
384 a.full = rfixed_const(16);
385 wm->priority_mark.full = rfixed_div(estimated_width, a);
386 wm->priority_mark.full = rfixed_ceil(wm->priority_mark);
387 wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full;
391 void rs690_bandwidth_update(struct radeon_device *rdev)
393 struct drm_display_mode *mode0 = NULL;
394 struct drm_display_mode *mode1 = NULL;
395 struct rs690_watermark wm0;
396 struct rs690_watermark wm1;
398 fixed20_12 priority_mark02, priority_mark12, fill_rate;
401 if (rdev->mode_info.crtcs[0]->base.enabled)
402 mode0 = &rdev->mode_info.crtcs[0]->base.mode;
403 if (rdev->mode_info.crtcs[1]->base.enabled)
404 mode1 = &rdev->mode_info.crtcs[1]->base.mode;
406 * Set display0/1 priority up in the memory controller for
407 * modes if the user specifies HIGH for displaypriority
410 if (rdev->disp_priority == 2) {
411 tmp = RREG32_MC(R_000104_MC_INIT_MISC_LAT_TIMER);
412 tmp &= C_000104_MC_DISP0R_INIT_LAT;
413 tmp &= C_000104_MC_DISP1R_INIT_LAT;
415 tmp |= S_000104_MC_DISP0R_INIT_LAT(1);
417 tmp |= S_000104_MC_DISP1R_INIT_LAT(1);
418 WREG32_MC(R_000104_MC_INIT_MISC_LAT_TIMER, tmp);
420 rs690_line_buffer_adjust(rdev, mode0, mode1);
422 if ((rdev->family == CHIP_RS690) || (rdev->family == CHIP_RS740))
423 WREG32(R_006C9C_DCP_CONTROL, 0);
424 if ((rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880))
425 WREG32(R_006C9C_DCP_CONTROL, 2);
427 rs690_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0);
428 rs690_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1);
430 tmp = (wm0.lb_request_fifo_depth - 1);
431 tmp |= (wm1.lb_request_fifo_depth - 1) << 16;
432 WREG32(R_006D58_LB_MAX_REQ_OUTSTANDING, tmp);
434 if (mode0 && mode1) {
435 if (rfixed_trunc(wm0.dbpp) > 64)
436 a.full = rfixed_mul(wm0.dbpp, wm0.num_line_pair);
438 a.full = wm0.num_line_pair.full;
439 if (rfixed_trunc(wm1.dbpp) > 64)
440 b.full = rfixed_mul(wm1.dbpp, wm1.num_line_pair);
442 b.full = wm1.num_line_pair.full;
444 fill_rate.full = rfixed_div(wm0.sclk, a);
445 if (wm0.consumption_rate.full > fill_rate.full) {
446 b.full = wm0.consumption_rate.full - fill_rate.full;
447 b.full = rfixed_mul(b, wm0.active_time);
448 a.full = rfixed_mul(wm0.worst_case_latency,
449 wm0.consumption_rate);
450 a.full = a.full + b.full;
451 b.full = rfixed_const(16 * 1000);
452 priority_mark02.full = rfixed_div(a, b);
454 a.full = rfixed_mul(wm0.worst_case_latency,
455 wm0.consumption_rate);
456 b.full = rfixed_const(16 * 1000);
457 priority_mark02.full = rfixed_div(a, b);
459 if (wm1.consumption_rate.full > fill_rate.full) {
460 b.full = wm1.consumption_rate.full - fill_rate.full;
461 b.full = rfixed_mul(b, wm1.active_time);
462 a.full = rfixed_mul(wm1.worst_case_latency,
463 wm1.consumption_rate);
464 a.full = a.full + b.full;
465 b.full = rfixed_const(16 * 1000);
466 priority_mark12.full = rfixed_div(a, b);
468 a.full = rfixed_mul(wm1.worst_case_latency,
469 wm1.consumption_rate);
470 b.full = rfixed_const(16 * 1000);
471 priority_mark12.full = rfixed_div(a, b);
473 if (wm0.priority_mark.full > priority_mark02.full)
474 priority_mark02.full = wm0.priority_mark.full;
475 if (rfixed_trunc(priority_mark02) < 0)
476 priority_mark02.full = 0;
477 if (wm0.priority_mark_max.full > priority_mark02.full)
478 priority_mark02.full = wm0.priority_mark_max.full;
479 if (wm1.priority_mark.full > priority_mark12.full)
480 priority_mark12.full = wm1.priority_mark.full;
481 if (rfixed_trunc(priority_mark12) < 0)
482 priority_mark12.full = 0;
483 if (wm1.priority_mark_max.full > priority_mark12.full)
484 priority_mark12.full = wm1.priority_mark_max.full;
485 WREG32(R_006548_D1MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark02));
486 WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark02));
487 WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark12));
488 WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark12));
490 if (rfixed_trunc(wm0.dbpp) > 64)
491 a.full = rfixed_mul(wm0.dbpp, wm0.num_line_pair);
493 a.full = wm0.num_line_pair.full;
494 fill_rate.full = rfixed_div(wm0.sclk, a);
495 if (wm0.consumption_rate.full > fill_rate.full) {
496 b.full = wm0.consumption_rate.full - fill_rate.full;
497 b.full = rfixed_mul(b, wm0.active_time);
498 a.full = rfixed_mul(wm0.worst_case_latency,
499 wm0.consumption_rate);
500 a.full = a.full + b.full;
501 b.full = rfixed_const(16 * 1000);
502 priority_mark02.full = rfixed_div(a, b);
504 a.full = rfixed_mul(wm0.worst_case_latency,
505 wm0.consumption_rate);
506 b.full = rfixed_const(16 * 1000);
507 priority_mark02.full = rfixed_div(a, b);
509 if (wm0.priority_mark.full > priority_mark02.full)
510 priority_mark02.full = wm0.priority_mark.full;
511 if (rfixed_trunc(priority_mark02) < 0)
512 priority_mark02.full = 0;
513 if (wm0.priority_mark_max.full > priority_mark02.full)
514 priority_mark02.full = wm0.priority_mark_max.full;
515 WREG32(R_006548_D1MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark02));
516 WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark02));
517 WREG32(R_006D48_D2MODE_PRIORITY_A_CNT,
518 S_006D48_D2MODE_PRIORITY_A_OFF(1));
519 WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT,
520 S_006D4C_D2MODE_PRIORITY_B_OFF(1));
522 if (rfixed_trunc(wm1.dbpp) > 64)
523 a.full = rfixed_mul(wm1.dbpp, wm1.num_line_pair);
525 a.full = wm1.num_line_pair.full;
526 fill_rate.full = rfixed_div(wm1.sclk, a);
527 if (wm1.consumption_rate.full > fill_rate.full) {
528 b.full = wm1.consumption_rate.full - fill_rate.full;
529 b.full = rfixed_mul(b, wm1.active_time);
530 a.full = rfixed_mul(wm1.worst_case_latency,
531 wm1.consumption_rate);
532 a.full = a.full + b.full;
533 b.full = rfixed_const(16 * 1000);
534 priority_mark12.full = rfixed_div(a, b);
536 a.full = rfixed_mul(wm1.worst_case_latency,
537 wm1.consumption_rate);
538 b.full = rfixed_const(16 * 1000);
539 priority_mark12.full = rfixed_div(a, b);
541 if (wm1.priority_mark.full > priority_mark12.full)
542 priority_mark12.full = wm1.priority_mark.full;
543 if (rfixed_trunc(priority_mark12) < 0)
544 priority_mark12.full = 0;
545 if (wm1.priority_mark_max.full > priority_mark12.full)
546 priority_mark12.full = wm1.priority_mark_max.full;
547 WREG32(R_006548_D1MODE_PRIORITY_A_CNT,
548 S_006548_D1MODE_PRIORITY_A_OFF(1));
549 WREG32(R_00654C_D1MODE_PRIORITY_B_CNT,
550 S_00654C_D1MODE_PRIORITY_B_OFF(1));
551 WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark12));
552 WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark12));
556 uint32_t rs690_mc_rreg(struct radeon_device *rdev, uint32_t reg)
560 WREG32(R_000078_MC_INDEX, S_000078_MC_IND_ADDR(reg));
561 r = RREG32(R_00007C_MC_DATA);
562 WREG32(R_000078_MC_INDEX, ~C_000078_MC_IND_ADDR);
566 void rs690_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
568 WREG32(R_000078_MC_INDEX, S_000078_MC_IND_ADDR(reg) |
569 S_000078_MC_IND_WR_EN(1));
570 WREG32(R_00007C_MC_DATA, v);
571 WREG32(R_000078_MC_INDEX, 0x7F);
574 void rs690_mc_program(struct radeon_device *rdev)
576 struct rv515_mc_save save;
578 /* Stops all mc clients */
579 rv515_mc_stop(rdev, &save);
581 /* Wait for mc idle */
582 if (rs690_mc_wait_for_idle(rdev))
583 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
584 /* Program MC, should be a 32bits limited address space */
585 WREG32_MC(R_000100_MCCFG_FB_LOCATION,
586 S_000100_MC_FB_START(rdev->mc.vram_start >> 16) |
587 S_000100_MC_FB_TOP(rdev->mc.vram_end >> 16));
588 WREG32(R_000134_HDP_FB_LOCATION,
589 S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
591 rv515_mc_resume(rdev, &save);
594 static int rs690_startup(struct radeon_device *rdev)
598 rs690_mc_program(rdev);
600 rv515_clock_startup(rdev);
601 /* Initialize GPU configuration (# pipes, ...) */
602 rs690_gpu_init(rdev);
603 /* Initialize GART (initialize after TTM so we can allocate
604 * memory through TTM but finalize after TTM) */
605 r = rs400_gart_enable(rdev);
610 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
612 r = r100_cp_init(rdev, 1024 * 1024);
614 dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
617 r = r100_wb_init(rdev);
619 dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
620 r = r100_ib_init(rdev);
622 dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
628 int rs690_resume(struct radeon_device *rdev)
630 /* Make sur GART are not working */
631 rs400_gart_disable(rdev);
632 /* Resume clock before doing reset */
633 rv515_clock_startup(rdev);
634 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
635 if (radeon_gpu_reset(rdev)) {
636 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
637 RREG32(R_000E40_RBBM_STATUS),
638 RREG32(R_0007C0_CP_STAT));
641 atom_asic_init(rdev->mode_info.atom_context);
642 /* Resume clock after posting */
643 rv515_clock_startup(rdev);
644 /* Initialize surface registers */
645 radeon_surface_init(rdev);
646 return rs690_startup(rdev);
649 int rs690_suspend(struct radeon_device *rdev)
651 r100_cp_disable(rdev);
652 r100_wb_disable(rdev);
653 rs600_irq_disable(rdev);
654 rs400_gart_disable(rdev);
658 void rs690_fini(struct radeon_device *rdev)
663 radeon_gem_fini(rdev);
664 rs400_gart_fini(rdev);
665 radeon_irq_kms_fini(rdev);
666 radeon_fence_driver_fini(rdev);
667 radeon_bo_fini(rdev);
668 radeon_atombios_fini(rdev);
673 int rs690_init(struct radeon_device *rdev)
678 rv515_vga_render_disable(rdev);
679 /* Initialize scratch registers */
680 radeon_scratch_init(rdev);
681 /* Initialize surface registers */
682 radeon_surface_init(rdev);
683 /* TODO: disable VGA need to use VGA request */
685 if (!radeon_get_bios(rdev)) {
686 if (ASIC_IS_AVIVO(rdev))
689 if (rdev->is_atom_bios) {
690 r = radeon_atombios_init(rdev);
694 dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n");
697 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
698 if (radeon_gpu_reset(rdev)) {
700 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
701 RREG32(R_000E40_RBBM_STATUS),
702 RREG32(R_0007C0_CP_STAT));
704 /* check if cards are posted or not */
705 if (radeon_boot_test_post_card(rdev) == false)
708 /* Initialize clocks */
709 radeon_get_clock_info(rdev->ddev);
710 /* Initialize power management */
711 radeon_pm_init(rdev);
712 /* initialize memory controller */
716 r = radeon_fence_driver_init(rdev);
719 r = radeon_irq_kms_init(rdev);
723 r = radeon_bo_init(rdev);
726 r = rs400_gart_init(rdev);
729 rs600_set_safe_registers(rdev);
730 rdev->accel_working = true;
731 r = rs690_startup(rdev);
733 /* Somethings want wront with the accel init stop accel */
734 dev_err(rdev->dev, "Disabling GPU acceleration\n");
738 rs400_gart_fini(rdev);
739 radeon_irq_kms_fini(rdev);
740 rdev->accel_working = false;