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771fe6b9 JG |
1 | /* |
2 | * Copyright 2008 Advanced Micro Devices, Inc. | |
3 | * Copyright 2008 Red Hat Inc. | |
4 | * Copyright 2009 Jerome Glisse. | |
5 | * | |
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: | |
12 | * | |
13 | * The above copyright notice and this permission notice shall be included in | |
14 | * all copies or substantial portions of the Software. | |
15 | * | |
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. | |
23 | * | |
24 | * Authors: Dave Airlie | |
25 | * Alex Deucher | |
26 | * Jerome Glisse | |
27 | */ | |
28 | #include "drmP.h" | |
771fe6b9 | 29 | #include "radeon.h" |
e6990375 | 30 | #include "radeon_asic.h" |
c93bb85b | 31 | #include "atom.h" |
3bc68535 | 32 | #include "rs690d.h" |
771fe6b9 | 33 | |
3bc68535 | 34 | static int rs690_mc_wait_for_idle(struct radeon_device *rdev) |
771fe6b9 JG |
35 | { |
36 | unsigned i; | |
37 | uint32_t tmp; | |
38 | ||
39 | for (i = 0; i < rdev->usec_timeout; i++) { | |
40 | /* read MC_STATUS */ | |
3bc68535 JG |
41 | tmp = RREG32_MC(R_000090_MC_SYSTEM_STATUS); |
42 | if (G_000090_MC_SYSTEM_IDLE(tmp)) | |
771fe6b9 | 43 | return 0; |
3bc68535 | 44 | udelay(1); |
771fe6b9 JG |
45 | } |
46 | return -1; | |
47 | } | |
48 | ||
3bc68535 | 49 | static void rs690_gpu_init(struct radeon_device *rdev) |
771fe6b9 | 50 | { |
771fe6b9 JG |
51 | /* FIXME: is this correct ? */ |
52 | r420_pipes_init(rdev); | |
53 | if (rs690_mc_wait_for_idle(rdev)) { | |
54 | printk(KERN_WARNING "Failed to wait MC idle while " | |
55 | "programming pipes. Bad things might happen.\n"); | |
56 | } | |
57 | } | |
58 | ||
a084e6ee AD |
59 | union igp_info { |
60 | struct _ATOM_INTEGRATED_SYSTEM_INFO info; | |
61 | struct _ATOM_INTEGRATED_SYSTEM_INFO_V2 info_v2; | |
62 | }; | |
63 | ||
c93bb85b JG |
64 | void rs690_pm_info(struct radeon_device *rdev) |
65 | { | |
66 | int index = GetIndexIntoMasterTable(DATA, IntegratedSystemInfo); | |
a084e6ee | 67 | union igp_info *info; |
c93bb85b JG |
68 | uint16_t data_offset; |
69 | uint8_t frev, crev; | |
70 | fixed20_12 tmp; | |
71 | ||
a084e6ee AD |
72 | if (atom_parse_data_header(rdev->mode_info.atom_context, index, NULL, |
73 | &frev, &crev, &data_offset)) { | |
74 | info = (union igp_info *)(rdev->mode_info.atom_context->bios + data_offset); | |
75 | ||
76 | /* Get various system informations from bios */ | |
77 | switch (crev) { | |
78 | case 1: | |
68adac5e BS |
79 | tmp.full = dfixed_const(100); |
80 | rdev->pm.igp_sideport_mclk.full = dfixed_const(info->info.ulBootUpMemoryClock); | |
81 | rdev->pm.igp_sideport_mclk.full = dfixed_div(rdev->pm.igp_sideport_mclk, tmp); | |
f892034a AD |
82 | if (info->info.usK8MemoryClock) |
83 | rdev->pm.igp_system_mclk.full = dfixed_const(le16_to_cpu(info->info.usK8MemoryClock)); | |
84 | else if (rdev->clock.default_mclk) { | |
85 | rdev->pm.igp_system_mclk.full = dfixed_const(rdev->clock.default_mclk); | |
86 | rdev->pm.igp_system_mclk.full = dfixed_div(rdev->pm.igp_system_mclk, tmp); | |
87 | } else | |
88 | rdev->pm.igp_system_mclk.full = dfixed_const(400); | |
68adac5e BS |
89 | rdev->pm.igp_ht_link_clk.full = dfixed_const(le16_to_cpu(info->info.usFSBClock)); |
90 | rdev->pm.igp_ht_link_width.full = dfixed_const(info->info.ucHTLinkWidth); | |
a084e6ee AD |
91 | break; |
92 | case 2: | |
68adac5e BS |
93 | tmp.full = dfixed_const(100); |
94 | rdev->pm.igp_sideport_mclk.full = dfixed_const(info->info_v2.ulBootUpSidePortClock); | |
95 | rdev->pm.igp_sideport_mclk.full = dfixed_div(rdev->pm.igp_sideport_mclk, tmp); | |
f892034a AD |
96 | if (info->info_v2.ulBootUpUMAClock) |
97 | rdev->pm.igp_system_mclk.full = dfixed_const(info->info_v2.ulBootUpUMAClock); | |
98 | else if (rdev->clock.default_mclk) | |
99 | rdev->pm.igp_system_mclk.full = dfixed_const(rdev->clock.default_mclk); | |
100 | else | |
101 | rdev->pm.igp_system_mclk.full = dfixed_const(66700); | |
68adac5e BS |
102 | rdev->pm.igp_system_mclk.full = dfixed_div(rdev->pm.igp_system_mclk, tmp); |
103 | rdev->pm.igp_ht_link_clk.full = dfixed_const(info->info_v2.ulHTLinkFreq); | |
104 | rdev->pm.igp_ht_link_clk.full = dfixed_div(rdev->pm.igp_ht_link_clk, tmp); | |
105 | rdev->pm.igp_ht_link_width.full = dfixed_const(le16_to_cpu(info->info_v2.usMinHTLinkWidth)); | |
a084e6ee AD |
106 | break; |
107 | default: | |
a084e6ee | 108 | /* We assume the slower possible clock ie worst case */ |
f892034a AD |
109 | rdev->pm.igp_sideport_mclk.full = dfixed_const(200); |
110 | rdev->pm.igp_system_mclk.full = dfixed_const(200); | |
111 | rdev->pm.igp_ht_link_clk.full = dfixed_const(1000); | |
68adac5e | 112 | rdev->pm.igp_ht_link_width.full = dfixed_const(8); |
a084e6ee AD |
113 | DRM_ERROR("No integrated system info for your GPU, using safe default\n"); |
114 | break; | |
115 | } | |
116 | } else { | |
c93bb85b | 117 | /* We assume the slower possible clock ie worst case */ |
f892034a AD |
118 | rdev->pm.igp_sideport_mclk.full = dfixed_const(200); |
119 | rdev->pm.igp_system_mclk.full = dfixed_const(200); | |
120 | rdev->pm.igp_ht_link_clk.full = dfixed_const(1000); | |
68adac5e | 121 | rdev->pm.igp_ht_link_width.full = dfixed_const(8); |
c93bb85b | 122 | DRM_ERROR("No integrated system info for your GPU, using safe default\n"); |
c93bb85b JG |
123 | } |
124 | /* Compute various bandwidth */ | |
125 | /* k8_bandwidth = (memory_clk / 2) * 2 * 8 * 0.5 = memory_clk * 4 */ | |
68adac5e BS |
126 | tmp.full = dfixed_const(4); |
127 | rdev->pm.k8_bandwidth.full = dfixed_mul(rdev->pm.igp_system_mclk, tmp); | |
c93bb85b JG |
128 | /* ht_bandwidth = ht_clk * 2 * ht_width / 8 * 0.8 |
129 | * = ht_clk * ht_width / 5 | |
130 | */ | |
68adac5e BS |
131 | tmp.full = dfixed_const(5); |
132 | rdev->pm.ht_bandwidth.full = dfixed_mul(rdev->pm.igp_ht_link_clk, | |
c93bb85b | 133 | rdev->pm.igp_ht_link_width); |
68adac5e | 134 | rdev->pm.ht_bandwidth.full = dfixed_div(rdev->pm.ht_bandwidth, tmp); |
c93bb85b JG |
135 | if (tmp.full < rdev->pm.max_bandwidth.full) { |
136 | /* HT link is a limiting factor */ | |
137 | rdev->pm.max_bandwidth.full = tmp.full; | |
138 | } | |
139 | /* sideport_bandwidth = (sideport_clk / 2) * 2 * 2 * 0.7 | |
140 | * = (sideport_clk * 14) / 10 | |
141 | */ | |
68adac5e BS |
142 | tmp.full = dfixed_const(14); |
143 | rdev->pm.sideport_bandwidth.full = dfixed_mul(rdev->pm.igp_sideport_mclk, tmp); | |
144 | tmp.full = dfixed_const(10); | |
145 | rdev->pm.sideport_bandwidth.full = dfixed_div(rdev->pm.sideport_bandwidth, tmp); | |
c93bb85b JG |
146 | } |
147 | ||
d594e46a | 148 | void rs690_mc_init(struct radeon_device *rdev) |
771fe6b9 | 149 | { |
d594e46a | 150 | u64 base; |
771fe6b9 JG |
151 | |
152 | rs400_gart_adjust_size(rdev); | |
771fe6b9 | 153 | rdev->mc.vram_is_ddr = true; |
722f2943 | 154 | rdev->mc.vram_width = 128; |
7a50f01a DA |
155 | rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE); |
156 | rdev->mc.mc_vram_size = rdev->mc.real_vram_size; | |
01d73a69 JC |
157 | rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0); |
158 | rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0); | |
51e5fcd3 | 159 | rdev->mc.visible_vram_size = rdev->mc.aper_size; |
d594e46a JG |
160 | base = RREG32_MC(R_000100_MCCFG_FB_LOCATION); |
161 | base = G_000100_MC_FB_START(base) << 16; | |
06b6476d | 162 | rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev); |
4c70b2ea | 163 | rs690_pm_info(rdev); |
d594e46a | 164 | radeon_vram_location(rdev, &rdev->mc, base); |
8d369bb1 | 165 | rdev->mc.gtt_base_align = rdev->mc.gtt_size - 1; |
d594e46a | 166 | radeon_gtt_location(rdev, &rdev->mc); |
f47299c5 | 167 | radeon_update_bandwidth_info(rdev); |
22dd5013 AD |
168 | } |
169 | ||
c93bb85b JG |
170 | void rs690_line_buffer_adjust(struct radeon_device *rdev, |
171 | struct drm_display_mode *mode1, | |
172 | struct drm_display_mode *mode2) | |
173 | { | |
174 | u32 tmp; | |
175 | ||
176 | /* | |
177 | * Line Buffer Setup | |
178 | * There is a single line buffer shared by both display controllers. | |
3bc68535 | 179 | * R_006520_DC_LB_MEMORY_SPLIT controls how that line buffer is shared between |
c93bb85b JG |
180 | * the display controllers. The paritioning can either be done |
181 | * manually or via one of four preset allocations specified in bits 1:0: | |
182 | * 0 - line buffer is divided in half and shared between crtc | |
183 | * 1 - D1 gets 3/4 of the line buffer, D2 gets 1/4 | |
184 | * 2 - D1 gets the whole buffer | |
185 | * 3 - D1 gets 1/4 of the line buffer, D2 gets 3/4 | |
3bc68535 | 186 | * Setting bit 2 of R_006520_DC_LB_MEMORY_SPLIT controls switches to manual |
c93bb85b JG |
187 | * allocation mode. In manual allocation mode, D1 always starts at 0, |
188 | * D1 end/2 is specified in bits 14:4; D2 allocation follows D1. | |
189 | */ | |
3bc68535 JG |
190 | tmp = RREG32(R_006520_DC_LB_MEMORY_SPLIT) & C_006520_DC_LB_MEMORY_SPLIT; |
191 | tmp &= ~C_006520_DC_LB_MEMORY_SPLIT_MODE; | |
c93bb85b JG |
192 | /* auto */ |
193 | if (mode1 && mode2) { | |
194 | if (mode1->hdisplay > mode2->hdisplay) { | |
195 | if (mode1->hdisplay > 2560) | |
3bc68535 | 196 | tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1_3Q_D2_1Q; |
c93bb85b | 197 | else |
3bc68535 | 198 | tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1HALF_D2HALF; |
c93bb85b JG |
199 | } else if (mode2->hdisplay > mode1->hdisplay) { |
200 | if (mode2->hdisplay > 2560) | |
3bc68535 | 201 | tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1_1Q_D2_3Q; |
c93bb85b | 202 | else |
3bc68535 | 203 | tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1HALF_D2HALF; |
c93bb85b | 204 | } else |
3bc68535 | 205 | tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1HALF_D2HALF; |
c93bb85b | 206 | } else if (mode1) { |
3bc68535 | 207 | tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1_ONLY; |
c93bb85b | 208 | } else if (mode2) { |
3bc68535 | 209 | tmp |= V_006520_DC_LB_MEMORY_SPLIT_D1_1Q_D2_3Q; |
c93bb85b | 210 | } |
3bc68535 | 211 | WREG32(R_006520_DC_LB_MEMORY_SPLIT, tmp); |
771fe6b9 JG |
212 | } |
213 | ||
c93bb85b JG |
214 | struct rs690_watermark { |
215 | u32 lb_request_fifo_depth; | |
216 | fixed20_12 num_line_pair; | |
217 | fixed20_12 estimated_width; | |
218 | fixed20_12 worst_case_latency; | |
219 | fixed20_12 consumption_rate; | |
220 | fixed20_12 active_time; | |
221 | fixed20_12 dbpp; | |
222 | fixed20_12 priority_mark_max; | |
223 | fixed20_12 priority_mark; | |
224 | fixed20_12 sclk; | |
225 | }; | |
226 | ||
227 | void rs690_crtc_bandwidth_compute(struct radeon_device *rdev, | |
228 | struct radeon_crtc *crtc, | |
229 | struct rs690_watermark *wm) | |
230 | { | |
231 | struct drm_display_mode *mode = &crtc->base.mode; | |
232 | fixed20_12 a, b, c; | |
233 | fixed20_12 pclk, request_fifo_depth, tolerable_latency, estimated_width; | |
234 | fixed20_12 consumption_time, line_time, chunk_time, read_delay_latency; | |
c93bb85b JG |
235 | |
236 | if (!crtc->base.enabled) { | |
237 | /* FIXME: wouldn't it better to set priority mark to maximum */ | |
238 | wm->lb_request_fifo_depth = 4; | |
239 | return; | |
240 | } | |
241 | ||
68adac5e BS |
242 | if (crtc->vsc.full > dfixed_const(2)) |
243 | wm->num_line_pair.full = dfixed_const(2); | |
c93bb85b | 244 | else |
68adac5e BS |
245 | wm->num_line_pair.full = dfixed_const(1); |
246 | ||
247 | b.full = dfixed_const(mode->crtc_hdisplay); | |
248 | c.full = dfixed_const(256); | |
249 | a.full = dfixed_div(b, c); | |
250 | request_fifo_depth.full = dfixed_mul(a, wm->num_line_pair); | |
251 | request_fifo_depth.full = dfixed_ceil(request_fifo_depth); | |
252 | if (a.full < dfixed_const(4)) { | |
c93bb85b JG |
253 | wm->lb_request_fifo_depth = 4; |
254 | } else { | |
68adac5e | 255 | wm->lb_request_fifo_depth = dfixed_trunc(request_fifo_depth); |
c93bb85b JG |
256 | } |
257 | ||
258 | /* Determine consumption rate | |
259 | * pclk = pixel clock period(ns) = 1000 / (mode.clock / 1000) | |
260 | * vtaps = number of vertical taps, | |
261 | * vsc = vertical scaling ratio, defined as source/destination | |
262 | * hsc = horizontal scaling ration, defined as source/destination | |
263 | */ | |
68adac5e BS |
264 | a.full = dfixed_const(mode->clock); |
265 | b.full = dfixed_const(1000); | |
266 | a.full = dfixed_div(a, b); | |
267 | pclk.full = dfixed_div(b, a); | |
c93bb85b | 268 | if (crtc->rmx_type != RMX_OFF) { |
68adac5e | 269 | b.full = dfixed_const(2); |
c93bb85b JG |
270 | if (crtc->vsc.full > b.full) |
271 | b.full = crtc->vsc.full; | |
68adac5e BS |
272 | b.full = dfixed_mul(b, crtc->hsc); |
273 | c.full = dfixed_const(2); | |
274 | b.full = dfixed_div(b, c); | |
275 | consumption_time.full = dfixed_div(pclk, b); | |
c93bb85b JG |
276 | } else { |
277 | consumption_time.full = pclk.full; | |
278 | } | |
68adac5e BS |
279 | a.full = dfixed_const(1); |
280 | wm->consumption_rate.full = dfixed_div(a, consumption_time); | |
c93bb85b JG |
281 | |
282 | ||
283 | /* Determine line time | |
284 | * LineTime = total time for one line of displayhtotal | |
285 | * LineTime = total number of horizontal pixels | |
286 | * pclk = pixel clock period(ns) | |
287 | */ | |
68adac5e BS |
288 | a.full = dfixed_const(crtc->base.mode.crtc_htotal); |
289 | line_time.full = dfixed_mul(a, pclk); | |
c93bb85b JG |
290 | |
291 | /* Determine active time | |
292 | * ActiveTime = time of active region of display within one line, | |
293 | * hactive = total number of horizontal active pixels | |
294 | * htotal = total number of horizontal pixels | |
295 | */ | |
68adac5e BS |
296 | a.full = dfixed_const(crtc->base.mode.crtc_htotal); |
297 | b.full = dfixed_const(crtc->base.mode.crtc_hdisplay); | |
298 | wm->active_time.full = dfixed_mul(line_time, b); | |
299 | wm->active_time.full = dfixed_div(wm->active_time, a); | |
c93bb85b JG |
300 | |
301 | /* Maximun bandwidth is the minimun bandwidth of all component */ | |
302 | rdev->pm.max_bandwidth = rdev->pm.core_bandwidth; | |
0888e883 | 303 | if (rdev->mc.igp_sideport_enabled) { |
c93bb85b JG |
304 | if (rdev->pm.max_bandwidth.full > rdev->pm.sideport_bandwidth.full && |
305 | rdev->pm.sideport_bandwidth.full) | |
306 | rdev->pm.max_bandwidth = rdev->pm.sideport_bandwidth; | |
68adac5e BS |
307 | read_delay_latency.full = dfixed_const(370 * 800 * 1000); |
308 | read_delay_latency.full = dfixed_div(read_delay_latency, | |
c93bb85b JG |
309 | rdev->pm.igp_sideport_mclk); |
310 | } else { | |
311 | if (rdev->pm.max_bandwidth.full > rdev->pm.k8_bandwidth.full && | |
312 | rdev->pm.k8_bandwidth.full) | |
313 | rdev->pm.max_bandwidth = rdev->pm.k8_bandwidth; | |
314 | if (rdev->pm.max_bandwidth.full > rdev->pm.ht_bandwidth.full && | |
315 | rdev->pm.ht_bandwidth.full) | |
316 | rdev->pm.max_bandwidth = rdev->pm.ht_bandwidth; | |
68adac5e | 317 | read_delay_latency.full = dfixed_const(5000); |
c93bb85b JG |
318 | } |
319 | ||
320 | /* sclk = system clocks(ns) = 1000 / max_bandwidth / 16 */ | |
68adac5e BS |
321 | a.full = dfixed_const(16); |
322 | rdev->pm.sclk.full = dfixed_mul(rdev->pm.max_bandwidth, a); | |
323 | a.full = dfixed_const(1000); | |
324 | rdev->pm.sclk.full = dfixed_div(a, rdev->pm.sclk); | |
c93bb85b JG |
325 | /* Determine chunk time |
326 | * ChunkTime = the time it takes the DCP to send one chunk of data | |
327 | * to the LB which consists of pipeline delay and inter chunk gap | |
328 | * sclk = system clock(ns) | |
329 | */ | |
68adac5e BS |
330 | a.full = dfixed_const(256 * 13); |
331 | chunk_time.full = dfixed_mul(rdev->pm.sclk, a); | |
332 | a.full = dfixed_const(10); | |
333 | chunk_time.full = dfixed_div(chunk_time, a); | |
c93bb85b JG |
334 | |
335 | /* Determine the worst case latency | |
336 | * NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines) | |
337 | * WorstCaseLatency = worst case time from urgent to when the MC starts | |
338 | * to return data | |
339 | * READ_DELAY_IDLE_MAX = constant of 1us | |
340 | * ChunkTime = time it takes the DCP to send one chunk of data to the LB | |
341 | * which consists of pipeline delay and inter chunk gap | |
342 | */ | |
68adac5e BS |
343 | if (dfixed_trunc(wm->num_line_pair) > 1) { |
344 | a.full = dfixed_const(3); | |
345 | wm->worst_case_latency.full = dfixed_mul(a, chunk_time); | |
c93bb85b JG |
346 | wm->worst_case_latency.full += read_delay_latency.full; |
347 | } else { | |
68adac5e BS |
348 | a.full = dfixed_const(2); |
349 | wm->worst_case_latency.full = dfixed_mul(a, chunk_time); | |
c93bb85b JG |
350 | wm->worst_case_latency.full += read_delay_latency.full; |
351 | } | |
352 | ||
353 | /* Determine the tolerable latency | |
354 | * TolerableLatency = Any given request has only 1 line time | |
355 | * for the data to be returned | |
356 | * LBRequestFifoDepth = Number of chunk requests the LB can | |
357 | * put into the request FIFO for a display | |
358 | * LineTime = total time for one line of display | |
359 | * ChunkTime = the time it takes the DCP to send one chunk | |
360 | * of data to the LB which consists of | |
361 | * pipeline delay and inter chunk gap | |
362 | */ | |
68adac5e | 363 | if ((2+wm->lb_request_fifo_depth) >= dfixed_trunc(request_fifo_depth)) { |
c93bb85b JG |
364 | tolerable_latency.full = line_time.full; |
365 | } else { | |
68adac5e | 366 | tolerable_latency.full = dfixed_const(wm->lb_request_fifo_depth - 2); |
c93bb85b | 367 | tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full; |
68adac5e | 368 | tolerable_latency.full = dfixed_mul(tolerable_latency, chunk_time); |
c93bb85b JG |
369 | tolerable_latency.full = line_time.full - tolerable_latency.full; |
370 | } | |
371 | /* We assume worst case 32bits (4 bytes) */ | |
68adac5e | 372 | wm->dbpp.full = dfixed_const(4 * 8); |
c93bb85b JG |
373 | |
374 | /* Determine the maximum priority mark | |
375 | * width = viewport width in pixels | |
376 | */ | |
68adac5e BS |
377 | a.full = dfixed_const(16); |
378 | wm->priority_mark_max.full = dfixed_const(crtc->base.mode.crtc_hdisplay); | |
379 | wm->priority_mark_max.full = dfixed_div(wm->priority_mark_max, a); | |
380 | wm->priority_mark_max.full = dfixed_ceil(wm->priority_mark_max); | |
c93bb85b JG |
381 | |
382 | /* Determine estimated width */ | |
383 | estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full; | |
68adac5e BS |
384 | estimated_width.full = dfixed_div(estimated_width, consumption_time); |
385 | if (dfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) { | |
386 | wm->priority_mark.full = dfixed_const(10); | |
c93bb85b | 387 | } else { |
68adac5e BS |
388 | a.full = dfixed_const(16); |
389 | wm->priority_mark.full = dfixed_div(estimated_width, a); | |
390 | wm->priority_mark.full = dfixed_ceil(wm->priority_mark); | |
c93bb85b JG |
391 | wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full; |
392 | } | |
393 | } | |
394 | ||
395 | void rs690_bandwidth_update(struct radeon_device *rdev) | |
396 | { | |
397 | struct drm_display_mode *mode0 = NULL; | |
398 | struct drm_display_mode *mode1 = NULL; | |
399 | struct rs690_watermark wm0; | |
400 | struct rs690_watermark wm1; | |
e06b14ee AD |
401 | u32 tmp; |
402 | u32 d1mode_priority_a_cnt = S_006548_D1MODE_PRIORITY_A_OFF(1); | |
403 | u32 d2mode_priority_a_cnt = S_006548_D1MODE_PRIORITY_A_OFF(1); | |
c93bb85b JG |
404 | fixed20_12 priority_mark02, priority_mark12, fill_rate; |
405 | fixed20_12 a, b; | |
406 | ||
f46c0120 AD |
407 | radeon_update_display_priority(rdev); |
408 | ||
c93bb85b JG |
409 | if (rdev->mode_info.crtcs[0]->base.enabled) |
410 | mode0 = &rdev->mode_info.crtcs[0]->base.mode; | |
411 | if (rdev->mode_info.crtcs[1]->base.enabled) | |
412 | mode1 = &rdev->mode_info.crtcs[1]->base.mode; | |
413 | /* | |
414 | * Set display0/1 priority up in the memory controller for | |
415 | * modes if the user specifies HIGH for displaypriority | |
416 | * option. | |
417 | */ | |
f46c0120 AD |
418 | if ((rdev->disp_priority == 2) && |
419 | ((rdev->family == CHIP_RS690) || (rdev->family == CHIP_RS740))) { | |
3bc68535 JG |
420 | tmp = RREG32_MC(R_000104_MC_INIT_MISC_LAT_TIMER); |
421 | tmp &= C_000104_MC_DISP0R_INIT_LAT; | |
422 | tmp &= C_000104_MC_DISP1R_INIT_LAT; | |
c93bb85b | 423 | if (mode0) |
3bc68535 JG |
424 | tmp |= S_000104_MC_DISP0R_INIT_LAT(1); |
425 | if (mode1) | |
426 | tmp |= S_000104_MC_DISP1R_INIT_LAT(1); | |
427 | WREG32_MC(R_000104_MC_INIT_MISC_LAT_TIMER, tmp); | |
c93bb85b JG |
428 | } |
429 | rs690_line_buffer_adjust(rdev, mode0, mode1); | |
430 | ||
431 | if ((rdev->family == CHIP_RS690) || (rdev->family == CHIP_RS740)) | |
3bc68535 | 432 | WREG32(R_006C9C_DCP_CONTROL, 0); |
c93bb85b | 433 | if ((rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880)) |
3bc68535 | 434 | WREG32(R_006C9C_DCP_CONTROL, 2); |
c93bb85b JG |
435 | |
436 | rs690_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0); | |
437 | rs690_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1); | |
438 | ||
439 | tmp = (wm0.lb_request_fifo_depth - 1); | |
440 | tmp |= (wm1.lb_request_fifo_depth - 1) << 16; | |
3bc68535 | 441 | WREG32(R_006D58_LB_MAX_REQ_OUTSTANDING, tmp); |
c93bb85b JG |
442 | |
443 | if (mode0 && mode1) { | |
68adac5e BS |
444 | if (dfixed_trunc(wm0.dbpp) > 64) |
445 | a.full = dfixed_mul(wm0.dbpp, wm0.num_line_pair); | |
c93bb85b JG |
446 | else |
447 | a.full = wm0.num_line_pair.full; | |
68adac5e BS |
448 | if (dfixed_trunc(wm1.dbpp) > 64) |
449 | b.full = dfixed_mul(wm1.dbpp, wm1.num_line_pair); | |
c93bb85b JG |
450 | else |
451 | b.full = wm1.num_line_pair.full; | |
452 | a.full += b.full; | |
68adac5e | 453 | fill_rate.full = dfixed_div(wm0.sclk, a); |
c93bb85b JG |
454 | if (wm0.consumption_rate.full > fill_rate.full) { |
455 | b.full = wm0.consumption_rate.full - fill_rate.full; | |
68adac5e BS |
456 | b.full = dfixed_mul(b, wm0.active_time); |
457 | a.full = dfixed_mul(wm0.worst_case_latency, | |
c93bb85b JG |
458 | wm0.consumption_rate); |
459 | a.full = a.full + b.full; | |
68adac5e BS |
460 | b.full = dfixed_const(16 * 1000); |
461 | priority_mark02.full = dfixed_div(a, b); | |
c93bb85b | 462 | } else { |
68adac5e | 463 | a.full = dfixed_mul(wm0.worst_case_latency, |
c93bb85b | 464 | wm0.consumption_rate); |
68adac5e BS |
465 | b.full = dfixed_const(16 * 1000); |
466 | priority_mark02.full = dfixed_div(a, b); | |
c93bb85b JG |
467 | } |
468 | if (wm1.consumption_rate.full > fill_rate.full) { | |
469 | b.full = wm1.consumption_rate.full - fill_rate.full; | |
68adac5e BS |
470 | b.full = dfixed_mul(b, wm1.active_time); |
471 | a.full = dfixed_mul(wm1.worst_case_latency, | |
c93bb85b JG |
472 | wm1.consumption_rate); |
473 | a.full = a.full + b.full; | |
68adac5e BS |
474 | b.full = dfixed_const(16 * 1000); |
475 | priority_mark12.full = dfixed_div(a, b); | |
c93bb85b | 476 | } else { |
68adac5e | 477 | a.full = dfixed_mul(wm1.worst_case_latency, |
c93bb85b | 478 | wm1.consumption_rate); |
68adac5e BS |
479 | b.full = dfixed_const(16 * 1000); |
480 | priority_mark12.full = dfixed_div(a, b); | |
c93bb85b JG |
481 | } |
482 | if (wm0.priority_mark.full > priority_mark02.full) | |
483 | priority_mark02.full = wm0.priority_mark.full; | |
68adac5e | 484 | if (dfixed_trunc(priority_mark02) < 0) |
c93bb85b JG |
485 | priority_mark02.full = 0; |
486 | if (wm0.priority_mark_max.full > priority_mark02.full) | |
487 | priority_mark02.full = wm0.priority_mark_max.full; | |
488 | if (wm1.priority_mark.full > priority_mark12.full) | |
489 | priority_mark12.full = wm1.priority_mark.full; | |
68adac5e | 490 | if (dfixed_trunc(priority_mark12) < 0) |
c93bb85b JG |
491 | priority_mark12.full = 0; |
492 | if (wm1.priority_mark_max.full > priority_mark12.full) | |
493 | priority_mark12.full = wm1.priority_mark_max.full; | |
68adac5e BS |
494 | d1mode_priority_a_cnt = dfixed_trunc(priority_mark02); |
495 | d2mode_priority_a_cnt = dfixed_trunc(priority_mark12); | |
f46c0120 AD |
496 | if (rdev->disp_priority == 2) { |
497 | d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1); | |
498 | d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1); | |
499 | } | |
c93bb85b | 500 | } else if (mode0) { |
68adac5e BS |
501 | if (dfixed_trunc(wm0.dbpp) > 64) |
502 | a.full = dfixed_mul(wm0.dbpp, wm0.num_line_pair); | |
c93bb85b JG |
503 | else |
504 | a.full = wm0.num_line_pair.full; | |
68adac5e | 505 | fill_rate.full = dfixed_div(wm0.sclk, a); |
c93bb85b JG |
506 | if (wm0.consumption_rate.full > fill_rate.full) { |
507 | b.full = wm0.consumption_rate.full - fill_rate.full; | |
68adac5e BS |
508 | b.full = dfixed_mul(b, wm0.active_time); |
509 | a.full = dfixed_mul(wm0.worst_case_latency, | |
c93bb85b JG |
510 | wm0.consumption_rate); |
511 | a.full = a.full + b.full; | |
68adac5e BS |
512 | b.full = dfixed_const(16 * 1000); |
513 | priority_mark02.full = dfixed_div(a, b); | |
c93bb85b | 514 | } else { |
68adac5e | 515 | a.full = dfixed_mul(wm0.worst_case_latency, |
c93bb85b | 516 | wm0.consumption_rate); |
68adac5e BS |
517 | b.full = dfixed_const(16 * 1000); |
518 | priority_mark02.full = dfixed_div(a, b); | |
c93bb85b JG |
519 | } |
520 | if (wm0.priority_mark.full > priority_mark02.full) | |
521 | priority_mark02.full = wm0.priority_mark.full; | |
68adac5e | 522 | if (dfixed_trunc(priority_mark02) < 0) |
c93bb85b JG |
523 | priority_mark02.full = 0; |
524 | if (wm0.priority_mark_max.full > priority_mark02.full) | |
525 | priority_mark02.full = wm0.priority_mark_max.full; | |
68adac5e | 526 | d1mode_priority_a_cnt = dfixed_trunc(priority_mark02); |
f46c0120 AD |
527 | if (rdev->disp_priority == 2) |
528 | d1mode_priority_a_cnt |= S_006548_D1MODE_PRIORITY_A_ALWAYS_ON(1); | |
e06b14ee | 529 | } else if (mode1) { |
68adac5e BS |
530 | if (dfixed_trunc(wm1.dbpp) > 64) |
531 | a.full = dfixed_mul(wm1.dbpp, wm1.num_line_pair); | |
c93bb85b JG |
532 | else |
533 | a.full = wm1.num_line_pair.full; | |
68adac5e | 534 | fill_rate.full = dfixed_div(wm1.sclk, a); |
c93bb85b JG |
535 | if (wm1.consumption_rate.full > fill_rate.full) { |
536 | b.full = wm1.consumption_rate.full - fill_rate.full; | |
68adac5e BS |
537 | b.full = dfixed_mul(b, wm1.active_time); |
538 | a.full = dfixed_mul(wm1.worst_case_latency, | |
c93bb85b JG |
539 | wm1.consumption_rate); |
540 | a.full = a.full + b.full; | |
68adac5e BS |
541 | b.full = dfixed_const(16 * 1000); |
542 | priority_mark12.full = dfixed_div(a, b); | |
c93bb85b | 543 | } else { |
68adac5e | 544 | a.full = dfixed_mul(wm1.worst_case_latency, |
c93bb85b | 545 | wm1.consumption_rate); |
68adac5e BS |
546 | b.full = dfixed_const(16 * 1000); |
547 | priority_mark12.full = dfixed_div(a, b); | |
c93bb85b JG |
548 | } |
549 | if (wm1.priority_mark.full > priority_mark12.full) | |
550 | priority_mark12.full = wm1.priority_mark.full; | |
68adac5e | 551 | if (dfixed_trunc(priority_mark12) < 0) |
c93bb85b JG |
552 | priority_mark12.full = 0; |
553 | if (wm1.priority_mark_max.full > priority_mark12.full) | |
554 | priority_mark12.full = wm1.priority_mark_max.full; | |
68adac5e | 555 | d2mode_priority_a_cnt = dfixed_trunc(priority_mark12); |
f46c0120 AD |
556 | if (rdev->disp_priority == 2) |
557 | d2mode_priority_a_cnt |= S_006D48_D2MODE_PRIORITY_A_ALWAYS_ON(1); | |
c93bb85b | 558 | } |
e06b14ee AD |
559 | |
560 | WREG32(R_006548_D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt); | |
561 | WREG32(R_00654C_D1MODE_PRIORITY_B_CNT, d1mode_priority_a_cnt); | |
562 | WREG32(R_006D48_D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt); | |
563 | WREG32(R_006D4C_D2MODE_PRIORITY_B_CNT, d2mode_priority_a_cnt); | |
c93bb85b | 564 | } |
771fe6b9 | 565 | |
771fe6b9 JG |
566 | uint32_t rs690_mc_rreg(struct radeon_device *rdev, uint32_t reg) |
567 | { | |
568 | uint32_t r; | |
569 | ||
3bc68535 JG |
570 | WREG32(R_000078_MC_INDEX, S_000078_MC_IND_ADDR(reg)); |
571 | r = RREG32(R_00007C_MC_DATA); | |
572 | WREG32(R_000078_MC_INDEX, ~C_000078_MC_IND_ADDR); | |
771fe6b9 JG |
573 | return r; |
574 | } | |
575 | ||
576 | void rs690_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) | |
577 | { | |
3bc68535 JG |
578 | WREG32(R_000078_MC_INDEX, S_000078_MC_IND_ADDR(reg) | |
579 | S_000078_MC_IND_WR_EN(1)); | |
580 | WREG32(R_00007C_MC_DATA, v); | |
581 | WREG32(R_000078_MC_INDEX, 0x7F); | |
582 | } | |
583 | ||
584 | void rs690_mc_program(struct radeon_device *rdev) | |
585 | { | |
586 | struct rv515_mc_save save; | |
587 | ||
588 | /* Stops all mc clients */ | |
589 | rv515_mc_stop(rdev, &save); | |
590 | ||
591 | /* Wait for mc idle */ | |
592 | if (rs690_mc_wait_for_idle(rdev)) | |
593 | dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n"); | |
594 | /* Program MC, should be a 32bits limited address space */ | |
595 | WREG32_MC(R_000100_MCCFG_FB_LOCATION, | |
596 | S_000100_MC_FB_START(rdev->mc.vram_start >> 16) | | |
597 | S_000100_MC_FB_TOP(rdev->mc.vram_end >> 16)); | |
598 | WREG32(R_000134_HDP_FB_LOCATION, | |
599 | S_000134_HDP_FB_START(rdev->mc.vram_start >> 16)); | |
600 | ||
601 | rv515_mc_resume(rdev, &save); | |
602 | } | |
603 | ||
604 | static int rs690_startup(struct radeon_device *rdev) | |
605 | { | |
606 | int r; | |
607 | ||
608 | rs690_mc_program(rdev); | |
609 | /* Resume clock */ | |
610 | rv515_clock_startup(rdev); | |
611 | /* Initialize GPU configuration (# pipes, ...) */ | |
612 | rs690_gpu_init(rdev); | |
613 | /* Initialize GART (initialize after TTM so we can allocate | |
614 | * memory through TTM but finalize after TTM) */ | |
615 | r = rs400_gart_enable(rdev); | |
616 | if (r) | |
617 | return r; | |
618 | /* Enable IRQ */ | |
ac447df4 | 619 | rs600_irq_set(rdev); |
cafe6609 | 620 | rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL); |
3bc68535 JG |
621 | /* 1M ring buffer */ |
622 | r = r100_cp_init(rdev, 1024 * 1024); | |
623 | if (r) { | |
624 | dev_err(rdev->dev, "failled initializing CP (%d).\n", r); | |
625 | return r; | |
626 | } | |
627 | r = r100_wb_init(rdev); | |
628 | if (r) | |
629 | dev_err(rdev->dev, "failled initializing WB (%d).\n", r); | |
630 | r = r100_ib_init(rdev); | |
631 | if (r) { | |
632 | dev_err(rdev->dev, "failled initializing IB (%d).\n", r); | |
633 | return r; | |
634 | } | |
fe50ac78 RM |
635 | |
636 | r = r600_audio_init(rdev); | |
637 | if (r) { | |
638 | dev_err(rdev->dev, "failed initializing audio\n"); | |
639 | return r; | |
640 | } | |
641 | ||
3bc68535 JG |
642 | return 0; |
643 | } | |
644 | ||
645 | int rs690_resume(struct radeon_device *rdev) | |
646 | { | |
647 | /* Make sur GART are not working */ | |
648 | rs400_gart_disable(rdev); | |
649 | /* Resume clock before doing reset */ | |
650 | rv515_clock_startup(rdev); | |
651 | /* Reset gpu before posting otherwise ATOM will enter infinite loop */ | |
a2d07b74 | 652 | if (radeon_asic_reset(rdev)) { |
3bc68535 JG |
653 | dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", |
654 | RREG32(R_000E40_RBBM_STATUS), | |
655 | RREG32(R_0007C0_CP_STAT)); | |
656 | } | |
657 | /* post */ | |
658 | atom_asic_init(rdev->mode_info.atom_context); | |
659 | /* Resume clock after posting */ | |
660 | rv515_clock_startup(rdev); | |
550e2d92 DA |
661 | /* Initialize surface registers */ |
662 | radeon_surface_init(rdev); | |
3bc68535 JG |
663 | return rs690_startup(rdev); |
664 | } | |
665 | ||
666 | int rs690_suspend(struct radeon_device *rdev) | |
667 | { | |
fe50ac78 | 668 | r600_audio_fini(rdev); |
3bc68535 JG |
669 | r100_cp_disable(rdev); |
670 | r100_wb_disable(rdev); | |
ac447df4 | 671 | rs600_irq_disable(rdev); |
3bc68535 JG |
672 | rs400_gart_disable(rdev); |
673 | return 0; | |
674 | } | |
675 | ||
676 | void rs690_fini(struct radeon_device *rdev) | |
677 | { | |
fe50ac78 | 678 | r600_audio_fini(rdev); |
3bc68535 JG |
679 | r100_cp_fini(rdev); |
680 | r100_wb_fini(rdev); | |
681 | r100_ib_fini(rdev); | |
682 | radeon_gem_fini(rdev); | |
683 | rs400_gart_fini(rdev); | |
684 | radeon_irq_kms_fini(rdev); | |
685 | radeon_fence_driver_fini(rdev); | |
4c788679 | 686 | radeon_bo_fini(rdev); |
3bc68535 JG |
687 | radeon_atombios_fini(rdev); |
688 | kfree(rdev->bios); | |
689 | rdev->bios = NULL; | |
690 | } | |
691 | ||
692 | int rs690_init(struct radeon_device *rdev) | |
693 | { | |
694 | int r; | |
695 | ||
3bc68535 JG |
696 | /* Disable VGA */ |
697 | rv515_vga_render_disable(rdev); | |
698 | /* Initialize scratch registers */ | |
699 | radeon_scratch_init(rdev); | |
700 | /* Initialize surface registers */ | |
701 | radeon_surface_init(rdev); | |
4c712e6c DA |
702 | /* restore some register to sane defaults */ |
703 | r100_restore_sanity(rdev); | |
3bc68535 JG |
704 | /* TODO: disable VGA need to use VGA request */ |
705 | /* BIOS*/ | |
706 | if (!radeon_get_bios(rdev)) { | |
707 | if (ASIC_IS_AVIVO(rdev)) | |
708 | return -EINVAL; | |
709 | } | |
710 | if (rdev->is_atom_bios) { | |
711 | r = radeon_atombios_init(rdev); | |
712 | if (r) | |
713 | return r; | |
714 | } else { | |
715 | dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n"); | |
716 | return -EINVAL; | |
717 | } | |
718 | /* Reset gpu before posting otherwise ATOM will enter infinite loop */ | |
a2d07b74 | 719 | if (radeon_asic_reset(rdev)) { |
3bc68535 JG |
720 | dev_warn(rdev->dev, |
721 | "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n", | |
722 | RREG32(R_000E40_RBBM_STATUS), | |
723 | RREG32(R_0007C0_CP_STAT)); | |
724 | } | |
725 | /* check if cards are posted or not */ | |
72542d77 DA |
726 | if (radeon_boot_test_post_card(rdev) == false) |
727 | return -EINVAL; | |
728 | ||
3bc68535 JG |
729 | /* Initialize clocks */ |
730 | radeon_get_clock_info(rdev->ddev); | |
d594e46a JG |
731 | /* initialize memory controller */ |
732 | rs690_mc_init(rdev); | |
3bc68535 JG |
733 | rv515_debugfs(rdev); |
734 | /* Fence driver */ | |
735 | r = radeon_fence_driver_init(rdev); | |
736 | if (r) | |
737 | return r; | |
738 | r = radeon_irq_kms_init(rdev); | |
739 | if (r) | |
740 | return r; | |
741 | /* Memory manager */ | |
4c788679 | 742 | r = radeon_bo_init(rdev); |
3bc68535 JG |
743 | if (r) |
744 | return r; | |
745 | r = rs400_gart_init(rdev); | |
746 | if (r) | |
747 | return r; | |
748 | rs600_set_safe_registers(rdev); | |
749 | rdev->accel_working = true; | |
750 | r = rs690_startup(rdev); | |
751 | if (r) { | |
752 | /* Somethings want wront with the accel init stop accel */ | |
753 | dev_err(rdev->dev, "Disabling GPU acceleration\n"); | |
3bc68535 JG |
754 | r100_cp_fini(rdev); |
755 | r100_wb_fini(rdev); | |
756 | r100_ib_fini(rdev); | |
757 | rs400_gart_fini(rdev); | |
758 | radeon_irq_kms_fini(rdev); | |
759 | rdev->accel_working = false; | |
760 | } | |
761 | return 0; | |
771fe6b9 | 762 | } |