diff options
author | David S. Miller <davem@davemloft.net> | 2009-08-12 20:44:53 -0400 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2009-08-12 20:44:53 -0400 |
commit | aa11d958d1a6572eda08214d7c6a735804fe48a5 (patch) | |
tree | d025b05270ad1e010660d17eeadc6ac3c1abbd7d /drivers/gpu/drm/radeon/rs690.c | |
parent | 07f6642ee9418e962e54cbc07471cfe2e559c568 (diff) | |
parent | 9799218ae36910af50f002a5db1802d576fffb43 (diff) |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
arch/microblaze/include/asm/socket.h
Diffstat (limited to 'drivers/gpu/drm/radeon/rs690.c')
-rw-r--r-- | drivers/gpu/drm/radeon/rs690.c | 479 |
1 files changed, 476 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c index 79ba85042b5f..839595b00728 100644 --- a/drivers/gpu/drm/radeon/rs690.c +++ b/drivers/gpu/drm/radeon/rs690.c | |||
@@ -28,6 +28,9 @@ | |||
28 | #include "drmP.h" | 28 | #include "drmP.h" |
29 | #include "radeon_reg.h" | 29 | #include "radeon_reg.h" |
30 | #include "radeon.h" | 30 | #include "radeon.h" |
31 | #include "rs690r.h" | ||
32 | #include "atom.h" | ||
33 | #include "atom-bits.h" | ||
31 | 34 | ||
32 | /* rs690,rs740 depends on : */ | 35 | /* rs690,rs740 depends on : */ |
33 | void r100_hdp_reset(struct radeon_device *rdev); | 36 | void r100_hdp_reset(struct radeon_device *rdev); |
@@ -64,7 +67,7 @@ int rs690_mc_init(struct radeon_device *rdev) | |||
64 | rs400_gart_disable(rdev); | 67 | rs400_gart_disable(rdev); |
65 | 68 | ||
66 | /* Setup GPU memory space */ | 69 | /* Setup GPU memory space */ |
67 | rdev->mc.gtt_location = rdev->mc.vram_size; | 70 | rdev->mc.gtt_location = rdev->mc.mc_vram_size; |
68 | rdev->mc.gtt_location += (rdev->mc.gtt_size - 1); | 71 | rdev->mc.gtt_location += (rdev->mc.gtt_size - 1); |
69 | rdev->mc.gtt_location &= ~(rdev->mc.gtt_size - 1); | 72 | rdev->mc.gtt_location &= ~(rdev->mc.gtt_size - 1); |
70 | rdev->mc.vram_location = 0xFFFFFFFFUL; | 73 | rdev->mc.vram_location = 0xFFFFFFFFUL; |
@@ -79,7 +82,7 @@ int rs690_mc_init(struct radeon_device *rdev) | |||
79 | printk(KERN_WARNING "Failed to wait MC idle while " | 82 | printk(KERN_WARNING "Failed to wait MC idle while " |
80 | "programming pipes. Bad things might happen.\n"); | 83 | "programming pipes. Bad things might happen.\n"); |
81 | } | 84 | } |
82 | tmp = rdev->mc.vram_location + rdev->mc.vram_size - 1; | 85 | tmp = rdev->mc.vram_location + rdev->mc.mc_vram_size - 1; |
83 | tmp = REG_SET(RS690_MC_FB_TOP, tmp >> 16); | 86 | tmp = REG_SET(RS690_MC_FB_TOP, tmp >> 16); |
84 | tmp |= REG_SET(RS690_MC_FB_START, rdev->mc.vram_location >> 16); | 87 | tmp |= REG_SET(RS690_MC_FB_START, rdev->mc.vram_location >> 16); |
85 | WREG32_MC(RS690_MCCFG_FB_LOCATION, tmp); | 88 | WREG32_MC(RS690_MCCFG_FB_LOCATION, tmp); |
@@ -138,9 +141,82 @@ void rs690_gpu_init(struct radeon_device *rdev) | |||
138 | /* | 141 | /* |
139 | * VRAM info. | 142 | * VRAM info. |
140 | */ | 143 | */ |
144 | void rs690_pm_info(struct radeon_device *rdev) | ||
145 | { | ||
146 | int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo); | ||
147 | struct _ATOM_INTEGRATED_SYSTEM_INFO *info; | ||
148 | struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 *info_v2; | ||
149 | void *ptr; | ||
150 | uint16_t data_offset; | ||
151 | uint8_t frev, crev; | ||
152 | fixed20_12 tmp; | ||
153 | |||
154 | atom_parse_data_header(rdev->mode_info.atom_context, index, NULL, | ||
155 | &frev, &crev, &data_offset); | ||
156 | ptr = rdev->mode_info.atom_context->bios + data_offset; | ||
157 | info = (struct _ATOM_INTEGRATED_SYSTEM_INFO *)ptr; | ||
158 | info_v2 = (struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 *)ptr; | ||
159 | /* Get various system informations from bios */ | ||
160 | switch (crev) { | ||
161 | case 1: | ||
162 | tmp.full = rfixed_const(100); | ||
163 | rdev->pm.igp_sideport_mclk.full = rfixed_const(info->ulBootUpMemoryClock); | ||
164 | rdev->pm.igp_sideport_mclk.full = rfixed_div(rdev->pm.igp_sideport_mclk, tmp); | ||
165 | rdev->pm.igp_system_mclk.full = rfixed_const(le16_to_cpu(info->usK8MemoryClock)); | ||
166 | rdev->pm.igp_ht_link_clk.full = rfixed_const(le16_to_cpu(info->usFSBClock)); | ||
167 | rdev->pm.igp_ht_link_width.full = rfixed_const(info->ucHTLinkWidth); | ||
168 | break; | ||
169 | case 2: | ||
170 | tmp.full = rfixed_const(100); | ||
171 | rdev->pm.igp_sideport_mclk.full = rfixed_const(info_v2->ulBootUpSidePortClock); | ||
172 | rdev->pm.igp_sideport_mclk.full = rfixed_div(rdev->pm.igp_sideport_mclk, tmp); | ||
173 | rdev->pm.igp_system_mclk.full = rfixed_const(info_v2->ulBootUpUMAClock); | ||
174 | rdev->pm.igp_system_mclk.full = rfixed_div(rdev->pm.igp_system_mclk, tmp); | ||
175 | rdev->pm.igp_ht_link_clk.full = rfixed_const(info_v2->ulHTLinkFreq); | ||
176 | rdev->pm.igp_ht_link_clk.full = rfixed_div(rdev->pm.igp_ht_link_clk, tmp); | ||
177 | rdev->pm.igp_ht_link_width.full = rfixed_const(le16_to_cpu(info_v2->usMinHTLinkWidth)); | ||
178 | break; | ||
179 | default: | ||
180 | tmp.full = rfixed_const(100); | ||
181 | /* We assume the slower possible clock ie worst case */ | ||
182 | /* DDR 333Mhz */ | ||
183 | rdev->pm.igp_sideport_mclk.full = rfixed_const(333); | ||
184 | /* FIXME: system clock ? */ | ||
185 | rdev->pm.igp_system_mclk.full = rfixed_const(100); | ||
186 | rdev->pm.igp_system_mclk.full = rfixed_div(rdev->pm.igp_system_mclk, tmp); | ||
187 | rdev->pm.igp_ht_link_clk.full = rfixed_const(200); | ||
188 | rdev->pm.igp_ht_link_width.full = rfixed_const(8); | ||
189 | DRM_ERROR("No integrated system info for your GPU, using safe default\n"); | ||
190 | break; | ||
191 | } | ||
192 | /* Compute various bandwidth */ | ||
193 | /* k8_bandwidth = (memory_clk / 2) * 2 * 8 * 0.5 = memory_clk * 4 */ | ||
194 | tmp.full = rfixed_const(4); | ||
195 | rdev->pm.k8_bandwidth.full = rfixed_mul(rdev->pm.igp_system_mclk, tmp); | ||
196 | /* ht_bandwidth = ht_clk * 2 * ht_width / 8 * 0.8 | ||
197 | * = ht_clk * ht_width / 5 | ||
198 | */ | ||
199 | tmp.full = rfixed_const(5); | ||
200 | rdev->pm.ht_bandwidth.full = rfixed_mul(rdev->pm.igp_ht_link_clk, | ||
201 | rdev->pm.igp_ht_link_width); | ||
202 | rdev->pm.ht_bandwidth.full = rfixed_div(rdev->pm.ht_bandwidth, tmp); | ||
203 | if (tmp.full < rdev->pm.max_bandwidth.full) { | ||
204 | /* HT link is a limiting factor */ | ||
205 | rdev->pm.max_bandwidth.full = tmp.full; | ||
206 | } | ||
207 | /* sideport_bandwidth = (sideport_clk / 2) * 2 * 2 * 0.7 | ||
208 | * = (sideport_clk * 14) / 10 | ||
209 | */ | ||
210 | tmp.full = rfixed_const(14); | ||
211 | rdev->pm.sideport_bandwidth.full = rfixed_mul(rdev->pm.igp_sideport_mclk, tmp); | ||
212 | tmp.full = rfixed_const(10); | ||
213 | rdev->pm.sideport_bandwidth.full = rfixed_div(rdev->pm.sideport_bandwidth, tmp); | ||
214 | } | ||
215 | |||
141 | void rs690_vram_info(struct radeon_device *rdev) | 216 | void rs690_vram_info(struct radeon_device *rdev) |
142 | { | 217 | { |
143 | uint32_t tmp; | 218 | uint32_t tmp; |
219 | fixed20_12 a; | ||
144 | 220 | ||
145 | rs400_gart_adjust_size(rdev); | 221 | rs400_gart_adjust_size(rdev); |
146 | /* DDR for all card after R300 & IGP */ | 222 | /* DDR for all card after R300 & IGP */ |
@@ -152,12 +228,409 @@ void rs690_vram_info(struct radeon_device *rdev) | |||
152 | } else { | 228 | } else { |
153 | rdev->mc.vram_width = 64; | 229 | rdev->mc.vram_width = 64; |
154 | } | 230 | } |
155 | rdev->mc.vram_size = RREG32(RADEON_CONFIG_MEMSIZE); | 231 | rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE); |
232 | rdev->mc.mc_vram_size = rdev->mc.real_vram_size; | ||
156 | 233 | ||
157 | rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0); | 234 | rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0); |
158 | rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0); | 235 | rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0); |
236 | rs690_pm_info(rdev); | ||
237 | /* FIXME: we should enforce default clock in case GPU is not in | ||
238 | * default setup | ||
239 | */ | ||
240 | a.full = rfixed_const(100); | ||
241 | rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk); | ||
242 | rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a); | ||
243 | a.full = rfixed_const(16); | ||
244 | /* core_bandwidth = sclk(Mhz) * 16 */ | ||
245 | rdev->pm.core_bandwidth.full = rfixed_div(rdev->pm.sclk, a); | ||
246 | } | ||
247 | |||
248 | void rs690_line_buffer_adjust(struct radeon_device *rdev, | ||
249 | struct drm_display_mode *mode1, | ||
250 | struct drm_display_mode *mode2) | ||
251 | { | ||
252 | u32 tmp; | ||
253 | |||
254 | /* | ||
255 | * Line Buffer Setup | ||
256 | * There is a single line buffer shared by both display controllers. | ||
257 | * DC_LB_MEMORY_SPLIT controls how that line buffer is shared between | ||
258 | * the display controllers. The paritioning can either be done | ||
259 | * manually or via one of four preset allocations specified in bits 1:0: | ||
260 | * 0 - line buffer is divided in half and shared between crtc | ||
261 | * 1 - D1 gets 3/4 of the line buffer, D2 gets 1/4 | ||
262 | * 2 - D1 gets the whole buffer | ||
263 | * 3 - D1 gets 1/4 of the line buffer, D2 gets 3/4 | ||
264 | * Setting bit 2 of DC_LB_MEMORY_SPLIT controls switches to manual | ||
265 | * allocation mode. In manual allocation mode, D1 always starts at 0, | ||
266 | * D1 end/2 is specified in bits 14:4; D2 allocation follows D1. | ||
267 | */ | ||
268 | tmp = RREG32(DC_LB_MEMORY_SPLIT) & ~DC_LB_MEMORY_SPLIT_MASK; | ||
269 | tmp &= ~DC_LB_MEMORY_SPLIT_SHIFT_MODE; | ||
270 | /* auto */ | ||
271 | if (mode1 && mode2) { | ||
272 | if (mode1->hdisplay > mode2->hdisplay) { | ||
273 | if (mode1->hdisplay > 2560) | ||
274 | tmp |= DC_LB_MEMORY_SPLIT_D1_3Q_D2_1Q; | ||
275 | else | ||
276 | tmp |= DC_LB_MEMORY_SPLIT_D1HALF_D2HALF; | ||
277 | } else if (mode2->hdisplay > mode1->hdisplay) { | ||
278 | if (mode2->hdisplay > 2560) | ||
279 | tmp |= DC_LB_MEMORY_SPLIT_D1_1Q_D2_3Q; | ||
280 | else | ||
281 | tmp |= DC_LB_MEMORY_SPLIT_D1HALF_D2HALF; | ||
282 | } else | ||
283 | tmp |= AVIVO_DC_LB_MEMORY_SPLIT_D1HALF_D2HALF; | ||
284 | } else if (mode1) { | ||
285 | tmp |= DC_LB_MEMORY_SPLIT_D1_ONLY; | ||
286 | } else if (mode2) { | ||
287 | tmp |= DC_LB_MEMORY_SPLIT_D1_1Q_D2_3Q; | ||
288 | } | ||
289 | WREG32(DC_LB_MEMORY_SPLIT, tmp); | ||
159 | } | 290 | } |
160 | 291 | ||
292 | struct rs690_watermark { | ||
293 | u32 lb_request_fifo_depth; | ||
294 | fixed20_12 num_line_pair; | ||
295 | fixed20_12 estimated_width; | ||
296 | fixed20_12 worst_case_latency; | ||
297 | fixed20_12 consumption_rate; | ||
298 | fixed20_12 active_time; | ||
299 | fixed20_12 dbpp; | ||
300 | fixed20_12 priority_mark_max; | ||
301 | fixed20_12 priority_mark; | ||
302 | fixed20_12 sclk; | ||
303 | }; | ||
304 | |||
305 | void rs690_crtc_bandwidth_compute(struct radeon_device *rdev, | ||
306 | struct radeon_crtc *crtc, | ||
307 | struct rs690_watermark *wm) | ||
308 | { | ||
309 | struct drm_display_mode *mode = &crtc->base.mode; | ||
310 | fixed20_12 a, b, c; | ||
311 | fixed20_12 pclk, request_fifo_depth, tolerable_latency, estimated_width; | ||
312 | fixed20_12 consumption_time, line_time, chunk_time, read_delay_latency; | ||
313 | /* FIXME: detect IGP with sideport memory, i don't think there is any | ||
314 | * such product available | ||
315 | */ | ||
316 | bool sideport = false; | ||
317 | |||
318 | if (!crtc->base.enabled) { | ||
319 | /* FIXME: wouldn't it better to set priority mark to maximum */ | ||
320 | wm->lb_request_fifo_depth = 4; | ||
321 | return; | ||
322 | } | ||
323 | |||
324 | if (crtc->vsc.full > rfixed_const(2)) | ||
325 | wm->num_line_pair.full = rfixed_const(2); | ||
326 | else | ||
327 | wm->num_line_pair.full = rfixed_const(1); | ||
328 | |||
329 | b.full = rfixed_const(mode->crtc_hdisplay); | ||
330 | c.full = rfixed_const(256); | ||
331 | a.full = rfixed_mul(wm->num_line_pair, b); | ||
332 | request_fifo_depth.full = rfixed_div(a, c); | ||
333 | if (a.full < rfixed_const(4)) { | ||
334 | wm->lb_request_fifo_depth = 4; | ||
335 | } else { | ||
336 | wm->lb_request_fifo_depth = rfixed_trunc(request_fifo_depth); | ||
337 | } | ||
338 | |||
339 | /* Determine consumption rate | ||
340 | * pclk = pixel clock period(ns) = 1000 / (mode.clock / 1000) | ||
341 | * vtaps = number of vertical taps, | ||
342 | * vsc = vertical scaling ratio, defined as source/destination | ||
343 | * hsc = horizontal scaling ration, defined as source/destination | ||
344 | */ | ||
345 | a.full = rfixed_const(mode->clock); | ||
346 | b.full = rfixed_const(1000); | ||
347 | a.full = rfixed_div(a, b); | ||
348 | pclk.full = rfixed_div(b, a); | ||
349 | if (crtc->rmx_type != RMX_OFF) { | ||
350 | b.full = rfixed_const(2); | ||
351 | if (crtc->vsc.full > b.full) | ||
352 | b.full = crtc->vsc.full; | ||
353 | b.full = rfixed_mul(b, crtc->hsc); | ||
354 | c.full = rfixed_const(2); | ||
355 | b.full = rfixed_div(b, c); | ||
356 | consumption_time.full = rfixed_div(pclk, b); | ||
357 | } else { | ||
358 | consumption_time.full = pclk.full; | ||
359 | } | ||
360 | a.full = rfixed_const(1); | ||
361 | wm->consumption_rate.full = rfixed_div(a, consumption_time); | ||
362 | |||
363 | |||
364 | /* Determine line time | ||
365 | * LineTime = total time for one line of displayhtotal | ||
366 | * LineTime = total number of horizontal pixels | ||
367 | * pclk = pixel clock period(ns) | ||
368 | */ | ||
369 | a.full = rfixed_const(crtc->base.mode.crtc_htotal); | ||
370 | line_time.full = rfixed_mul(a, pclk); | ||
371 | |||
372 | /* Determine active time | ||
373 | * ActiveTime = time of active region of display within one line, | ||
374 | * hactive = total number of horizontal active pixels | ||
375 | * htotal = total number of horizontal pixels | ||
376 | */ | ||
377 | a.full = rfixed_const(crtc->base.mode.crtc_htotal); | ||
378 | b.full = rfixed_const(crtc->base.mode.crtc_hdisplay); | ||
379 | wm->active_time.full = rfixed_mul(line_time, b); | ||
380 | wm->active_time.full = rfixed_div(wm->active_time, a); | ||
381 | |||
382 | /* Maximun bandwidth is the minimun bandwidth of all component */ | ||
383 | rdev->pm.max_bandwidth = rdev->pm.core_bandwidth; | ||
384 | if (sideport) { | ||
385 | if (rdev->pm.max_bandwidth.full > rdev->pm.sideport_bandwidth.full && | ||
386 | rdev->pm.sideport_bandwidth.full) | ||
387 | rdev->pm.max_bandwidth = rdev->pm.sideport_bandwidth; | ||
388 | read_delay_latency.full = rfixed_const(370 * 800 * 1000); | ||
389 | read_delay_latency.full = rfixed_div(read_delay_latency, | ||
390 | rdev->pm.igp_sideport_mclk); | ||
391 | } else { | ||
392 | if (rdev->pm.max_bandwidth.full > rdev->pm.k8_bandwidth.full && | ||
393 | rdev->pm.k8_bandwidth.full) | ||
394 | rdev->pm.max_bandwidth = rdev->pm.k8_bandwidth; | ||
395 | if (rdev->pm.max_bandwidth.full > rdev->pm.ht_bandwidth.full && | ||
396 | rdev->pm.ht_bandwidth.full) | ||
397 | rdev->pm.max_bandwidth = rdev->pm.ht_bandwidth; | ||
398 | read_delay_latency.full = rfixed_const(5000); | ||
399 | } | ||
400 | |||
401 | /* sclk = system clocks(ns) = 1000 / max_bandwidth / 16 */ | ||
402 | a.full = rfixed_const(16); | ||
403 | rdev->pm.sclk.full = rfixed_mul(rdev->pm.max_bandwidth, a); | ||
404 | a.full = rfixed_const(1000); | ||
405 | rdev->pm.sclk.full = rfixed_div(a, rdev->pm.sclk); | ||
406 | /* Determine chunk time | ||
407 | * ChunkTime = the time it takes the DCP to send one chunk of data | ||
408 | * to the LB which consists of pipeline delay and inter chunk gap | ||
409 | * sclk = system clock(ns) | ||
410 | */ | ||
411 | a.full = rfixed_const(256 * 13); | ||
412 | chunk_time.full = rfixed_mul(rdev->pm.sclk, a); | ||
413 | a.full = rfixed_const(10); | ||
414 | chunk_time.full = rfixed_div(chunk_time, a); | ||
415 | |||
416 | /* Determine the worst case latency | ||
417 | * NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines) | ||
418 | * WorstCaseLatency = worst case time from urgent to when the MC starts | ||
419 | * to return data | ||
420 | * READ_DELAY_IDLE_MAX = constant of 1us | ||
421 | * ChunkTime = time it takes the DCP to send one chunk of data to the LB | ||
422 | * which consists of pipeline delay and inter chunk gap | ||
423 | */ | ||
424 | if (rfixed_trunc(wm->num_line_pair) > 1) { | ||
425 | a.full = rfixed_const(3); | ||
426 | wm->worst_case_latency.full = rfixed_mul(a, chunk_time); | ||
427 | wm->worst_case_latency.full += read_delay_latency.full; | ||
428 | } else { | ||
429 | a.full = rfixed_const(2); | ||
430 | wm->worst_case_latency.full = rfixed_mul(a, chunk_time); | ||
431 | wm->worst_case_latency.full += read_delay_latency.full; | ||
432 | } | ||
433 | |||
434 | /* Determine the tolerable latency | ||
435 | * TolerableLatency = Any given request has only 1 line time | ||
436 | * for the data to be returned | ||
437 | * LBRequestFifoDepth = Number of chunk requests the LB can | ||
438 | * put into the request FIFO for a display | ||
439 | * LineTime = total time for one line of display | ||
440 | * ChunkTime = the time it takes the DCP to send one chunk | ||
441 | * of data to the LB which consists of | ||
442 | * pipeline delay and inter chunk gap | ||
443 | */ | ||
444 | if ((2+wm->lb_request_fifo_depth) >= rfixed_trunc(request_fifo_depth)) { | ||
445 | tolerable_latency.full = line_time.full; | ||
446 | } else { | ||
447 | tolerable_latency.full = rfixed_const(wm->lb_request_fifo_depth - 2); | ||
448 | tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full; | ||
449 | tolerable_latency.full = rfixed_mul(tolerable_latency, chunk_time); | ||
450 | tolerable_latency.full = line_time.full - tolerable_latency.full; | ||
451 | } | ||
452 | /* We assume worst case 32bits (4 bytes) */ | ||
453 | wm->dbpp.full = rfixed_const(4 * 8); | ||
454 | |||
455 | /* Determine the maximum priority mark | ||
456 | * width = viewport width in pixels | ||
457 | */ | ||
458 | a.full = rfixed_const(16); | ||
459 | wm->priority_mark_max.full = rfixed_const(crtc->base.mode.crtc_hdisplay); | ||
460 | wm->priority_mark_max.full = rfixed_div(wm->priority_mark_max, a); | ||
461 | |||
462 | /* Determine estimated width */ | ||
463 | estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full; | ||
464 | estimated_width.full = rfixed_div(estimated_width, consumption_time); | ||
465 | if (rfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) { | ||
466 | wm->priority_mark.full = rfixed_const(10); | ||
467 | } else { | ||
468 | a.full = rfixed_const(16); | ||
469 | wm->priority_mark.full = rfixed_div(estimated_width, a); | ||
470 | wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full; | ||
471 | } | ||
472 | } | ||
473 | |||
474 | void rs690_bandwidth_update(struct radeon_device *rdev) | ||
475 | { | ||
476 | struct drm_display_mode *mode0 = NULL; | ||
477 | struct drm_display_mode *mode1 = NULL; | ||
478 | struct rs690_watermark wm0; | ||
479 | struct rs690_watermark wm1; | ||
480 | u32 tmp; | ||
481 | fixed20_12 priority_mark02, priority_mark12, fill_rate; | ||
482 | fixed20_12 a, b; | ||
483 | |||
484 | if (rdev->mode_info.crtcs[0]->base.enabled) | ||
485 | mode0 = &rdev->mode_info.crtcs[0]->base.mode; | ||
486 | if (rdev->mode_info.crtcs[1]->base.enabled) | ||
487 | mode1 = &rdev->mode_info.crtcs[1]->base.mode; | ||
488 | /* | ||
489 | * Set display0/1 priority up in the memory controller for | ||
490 | * modes if the user specifies HIGH for displaypriority | ||
491 | * option. | ||
492 | */ | ||
493 | if (rdev->disp_priority == 2) { | ||
494 | tmp = RREG32_MC(MC_INIT_MISC_LAT_TIMER); | ||
495 | tmp &= ~MC_DISP1R_INIT_LAT_MASK; | ||
496 | tmp &= ~MC_DISP0R_INIT_LAT_MASK; | ||
497 | if (mode1) | ||
498 | tmp |= (1 << MC_DISP1R_INIT_LAT_SHIFT); | ||
499 | if (mode0) | ||
500 | tmp |= (1 << MC_DISP0R_INIT_LAT_SHIFT); | ||
501 | WREG32_MC(MC_INIT_MISC_LAT_TIMER, tmp); | ||
502 | } | ||
503 | rs690_line_buffer_adjust(rdev, mode0, mode1); | ||
504 | |||
505 | if ((rdev->family == CHIP_RS690) || (rdev->family == CHIP_RS740)) | ||
506 | WREG32(DCP_CONTROL, 0); | ||
507 | if ((rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880)) | ||
508 | WREG32(DCP_CONTROL, 2); | ||
509 | |||
510 | rs690_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0); | ||
511 | rs690_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1); | ||
512 | |||
513 | tmp = (wm0.lb_request_fifo_depth - 1); | ||
514 | tmp |= (wm1.lb_request_fifo_depth - 1) << 16; | ||
515 | WREG32(LB_MAX_REQ_OUTSTANDING, tmp); | ||
516 | |||
517 | if (mode0 && mode1) { | ||
518 | if (rfixed_trunc(wm0.dbpp) > 64) | ||
519 | a.full = rfixed_mul(wm0.dbpp, wm0.num_line_pair); | ||
520 | else | ||
521 | a.full = wm0.num_line_pair.full; | ||
522 | if (rfixed_trunc(wm1.dbpp) > 64) | ||
523 | b.full = rfixed_mul(wm1.dbpp, wm1.num_line_pair); | ||
524 | else | ||
525 | b.full = wm1.num_line_pair.full; | ||
526 | a.full += b.full; | ||
527 | fill_rate.full = rfixed_div(wm0.sclk, a); | ||
528 | if (wm0.consumption_rate.full > fill_rate.full) { | ||
529 | b.full = wm0.consumption_rate.full - fill_rate.full; | ||
530 | b.full = rfixed_mul(b, wm0.active_time); | ||
531 | a.full = rfixed_mul(wm0.worst_case_latency, | ||
532 | wm0.consumption_rate); | ||
533 | a.full = a.full + b.full; | ||
534 | b.full = rfixed_const(16 * 1000); | ||
535 | priority_mark02.full = rfixed_div(a, b); | ||
536 | } else { | ||
537 | a.full = rfixed_mul(wm0.worst_case_latency, | ||
538 | wm0.consumption_rate); | ||
539 | b.full = rfixed_const(16 * 1000); | ||
540 | priority_mark02.full = rfixed_div(a, b); | ||
541 | } | ||
542 | if (wm1.consumption_rate.full > fill_rate.full) { | ||
543 | b.full = wm1.consumption_rate.full - fill_rate.full; | ||
544 | b.full = rfixed_mul(b, wm1.active_time); | ||
545 | a.full = rfixed_mul(wm1.worst_case_latency, | ||
546 | wm1.consumption_rate); | ||
547 | a.full = a.full + b.full; | ||
548 | b.full = rfixed_const(16 * 1000); | ||
549 | priority_mark12.full = rfixed_div(a, b); | ||
550 | } else { | ||
551 | a.full = rfixed_mul(wm1.worst_case_latency, | ||
552 | wm1.consumption_rate); | ||
553 | b.full = rfixed_const(16 * 1000); | ||
554 | priority_mark12.full = rfixed_div(a, b); | ||
555 | } | ||
556 | if (wm0.priority_mark.full > priority_mark02.full) | ||
557 | priority_mark02.full = wm0.priority_mark.full; | ||
558 | if (rfixed_trunc(priority_mark02) < 0) | ||
559 | priority_mark02.full = 0; | ||
560 | if (wm0.priority_mark_max.full > priority_mark02.full) | ||
561 | priority_mark02.full = wm0.priority_mark_max.full; | ||
562 | if (wm1.priority_mark.full > priority_mark12.full) | ||
563 | priority_mark12.full = wm1.priority_mark.full; | ||
564 | if (rfixed_trunc(priority_mark12) < 0) | ||
565 | priority_mark12.full = 0; | ||
566 | if (wm1.priority_mark_max.full > priority_mark12.full) | ||
567 | priority_mark12.full = wm1.priority_mark_max.full; | ||
568 | WREG32(D1MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark02)); | ||
569 | WREG32(D1MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark02)); | ||
570 | WREG32(D2MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark12)); | ||
571 | WREG32(D2MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark12)); | ||
572 | } else if (mode0) { | ||
573 | if (rfixed_trunc(wm0.dbpp) > 64) | ||
574 | a.full = rfixed_mul(wm0.dbpp, wm0.num_line_pair); | ||
575 | else | ||
576 | a.full = wm0.num_line_pair.full; | ||
577 | fill_rate.full = rfixed_div(wm0.sclk, a); | ||
578 | if (wm0.consumption_rate.full > fill_rate.full) { | ||
579 | b.full = wm0.consumption_rate.full - fill_rate.full; | ||
580 | b.full = rfixed_mul(b, wm0.active_time); | ||
581 | a.full = rfixed_mul(wm0.worst_case_latency, | ||
582 | wm0.consumption_rate); | ||
583 | a.full = a.full + b.full; | ||
584 | b.full = rfixed_const(16 * 1000); | ||
585 | priority_mark02.full = rfixed_div(a, b); | ||
586 | } else { | ||
587 | a.full = rfixed_mul(wm0.worst_case_latency, | ||
588 | wm0.consumption_rate); | ||
589 | b.full = rfixed_const(16 * 1000); | ||
590 | priority_mark02.full = rfixed_div(a, b); | ||
591 | } | ||
592 | if (wm0.priority_mark.full > priority_mark02.full) | ||
593 | priority_mark02.full = wm0.priority_mark.full; | ||
594 | if (rfixed_trunc(priority_mark02) < 0) | ||
595 | priority_mark02.full = 0; | ||
596 | if (wm0.priority_mark_max.full > priority_mark02.full) | ||
597 | priority_mark02.full = wm0.priority_mark_max.full; | ||
598 | WREG32(D1MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark02)); | ||
599 | WREG32(D1MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark02)); | ||
600 | WREG32(D2MODE_PRIORITY_A_CNT, MODE_PRIORITY_OFF); | ||
601 | WREG32(D2MODE_PRIORITY_B_CNT, MODE_PRIORITY_OFF); | ||
602 | } else { | ||
603 | if (rfixed_trunc(wm1.dbpp) > 64) | ||
604 | a.full = rfixed_mul(wm1.dbpp, wm1.num_line_pair); | ||
605 | else | ||
606 | a.full = wm1.num_line_pair.full; | ||
607 | fill_rate.full = rfixed_div(wm1.sclk, a); | ||
608 | if (wm1.consumption_rate.full > fill_rate.full) { | ||
609 | b.full = wm1.consumption_rate.full - fill_rate.full; | ||
610 | b.full = rfixed_mul(b, wm1.active_time); | ||
611 | a.full = rfixed_mul(wm1.worst_case_latency, | ||
612 | wm1.consumption_rate); | ||
613 | a.full = a.full + b.full; | ||
614 | b.full = rfixed_const(16 * 1000); | ||
615 | priority_mark12.full = rfixed_div(a, b); | ||
616 | } else { | ||
617 | a.full = rfixed_mul(wm1.worst_case_latency, | ||
618 | wm1.consumption_rate); | ||
619 | b.full = rfixed_const(16 * 1000); | ||
620 | priority_mark12.full = rfixed_div(a, b); | ||
621 | } | ||
622 | if (wm1.priority_mark.full > priority_mark12.full) | ||
623 | priority_mark12.full = wm1.priority_mark.full; | ||
624 | if (rfixed_trunc(priority_mark12) < 0) | ||
625 | priority_mark12.full = 0; | ||
626 | if (wm1.priority_mark_max.full > priority_mark12.full) | ||
627 | priority_mark12.full = wm1.priority_mark_max.full; | ||
628 | WREG32(D1MODE_PRIORITY_A_CNT, MODE_PRIORITY_OFF); | ||
629 | WREG32(D1MODE_PRIORITY_B_CNT, MODE_PRIORITY_OFF); | ||
630 | WREG32(D2MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark12)); | ||
631 | WREG32(D2MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark12)); | ||
632 | } | ||
633 | } | ||
161 | 634 | ||
162 | /* | 635 | /* |
163 | * Indirect registers accessor | 636 | * Indirect registers accessor |