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WIP FPC-III support
[linux/fpc-iii.git] / drivers / gpu / drm / radeon / rv515.c
blob147e5cf8348de6c41022be2836d9ccb1023d2dbc
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
29 #include <linux/seq_file.h>
30 #include <linux/slab.h>
31
32 #include <drm/drm_debugfs.h>
33 #include <drm/drm_device.h>
34 #include <drm/drm_file.h>
35
36 #include "atom.h"
37 #include "radeon.h"
38 #include "radeon_asic.h"
39 #include "rv515_reg_safe.h"
40 #include "rv515d.h"
41
42 /* This files gather functions specifics to: rv515 */
43 static int rv515_debugfs_pipes_info_init(struct radeon_device *rdev);
44 static int rv515_debugfs_ga_info_init(struct radeon_device *rdev);
45 static void rv515_gpu_init(struct radeon_device *rdev);
46 int rv515_mc_wait_for_idle(struct radeon_device *rdev);
47
48 static const u32 crtc_offsets[2] =
49 {
50 0,
51 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
52 };
53
54 void rv515_debugfs(struct radeon_device *rdev)
55 {
56 if (r100_debugfs_rbbm_init(rdev)) {
57 DRM_ERROR("Failed to register debugfs file for RBBM !\n");
58 }
59 if (rv515_debugfs_pipes_info_init(rdev)) {
60 DRM_ERROR("Failed to register debugfs file for pipes !\n");
61 }
62 if (rv515_debugfs_ga_info_init(rdev)) {
63 DRM_ERROR("Failed to register debugfs file for pipes !\n");
64 }
65 }
66
67 void rv515_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
68 {
69 int r;
70
71 r = radeon_ring_lock(rdev, ring, 64);
72 if (r) {
73 return;
74 }
75 radeon_ring_write(ring, PACKET0(ISYNC_CNTL, 0));
76 radeon_ring_write(ring,
77 ISYNC_ANY2D_IDLE3D |
78 ISYNC_ANY3D_IDLE2D |
79 ISYNC_WAIT_IDLEGUI |
80 ISYNC_CPSCRATCH_IDLEGUI);
81 radeon_ring_write(ring, PACKET0(WAIT_UNTIL, 0));
82 radeon_ring_write(ring, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
83 radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
84 radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
85 radeon_ring_write(ring, PACKET0(GB_SELECT, 0));
86 radeon_ring_write(ring, 0);
87 radeon_ring_write(ring, PACKET0(GB_ENABLE, 0));
88 radeon_ring_write(ring, 0);
89 radeon_ring_write(ring, PACKET0(R500_SU_REG_DEST, 0));
90 radeon_ring_write(ring, (1 << rdev->num_gb_pipes) - 1);
91 radeon_ring_write(ring, PACKET0(VAP_INDEX_OFFSET, 0));
92 radeon_ring_write(ring, 0);
93 radeon_ring_write(ring, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
94 radeon_ring_write(ring, RB3D_DC_FLUSH | RB3D_DC_FREE);
95 radeon_ring_write(ring, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
96 radeon_ring_write(ring, ZC_FLUSH | ZC_FREE);
97 radeon_ring_write(ring, PACKET0(WAIT_UNTIL, 0));
98 radeon_ring_write(ring, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
99 radeon_ring_write(ring, PACKET0(GB_AA_CONFIG, 0));
100 radeon_ring_write(ring, 0);
101 radeon_ring_write(ring, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
102 radeon_ring_write(ring, RB3D_DC_FLUSH | RB3D_DC_FREE);
103 radeon_ring_write(ring, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
104 radeon_ring_write(ring, ZC_FLUSH | ZC_FREE);
105 radeon_ring_write(ring, PACKET0(GB_MSPOS0, 0));
106 radeon_ring_write(ring,
107 ((6 << MS_X0_SHIFT) |
108 (6 << MS_Y0_SHIFT) |
109 (6 << MS_X1_SHIFT) |
110 (6 << MS_Y1_SHIFT) |
111 (6 << MS_X2_SHIFT) |
112 (6 << MS_Y2_SHIFT) |
113 (6 << MSBD0_Y_SHIFT) |
114 (6 << MSBD0_X_SHIFT)));
115 radeon_ring_write(ring, PACKET0(GB_MSPOS1, 0));
116 radeon_ring_write(ring,
117 ((6 << MS_X3_SHIFT) |
118 (6 << MS_Y3_SHIFT) |
119 (6 << MS_X4_SHIFT) |
120 (6 << MS_Y4_SHIFT) |
121 (6 << MS_X5_SHIFT) |
122 (6 << MS_Y5_SHIFT) |
123 (6 << MSBD1_SHIFT)));
124 radeon_ring_write(ring, PACKET0(GA_ENHANCE, 0));
125 radeon_ring_write(ring, GA_DEADLOCK_CNTL | GA_FASTSYNC_CNTL);
126 radeon_ring_write(ring, PACKET0(GA_POLY_MODE, 0));
127 radeon_ring_write(ring, FRONT_PTYPE_TRIANGE | BACK_PTYPE_TRIANGE);
128 radeon_ring_write(ring, PACKET0(GA_ROUND_MODE, 0));
129 radeon_ring_write(ring, GEOMETRY_ROUND_NEAREST | COLOR_ROUND_NEAREST);
130 radeon_ring_write(ring, PACKET0(0x20C8, 0));
131 radeon_ring_write(ring, 0);
132 radeon_ring_unlock_commit(rdev, ring, false);
133 }
134
135 int rv515_mc_wait_for_idle(struct radeon_device *rdev)
136 {
137 unsigned i;
138 uint32_t tmp;
139
140 for (i = 0; i < rdev->usec_timeout; i++) {
141 /* read MC_STATUS */
142 tmp = RREG32_MC(MC_STATUS);
143 if (tmp & MC_STATUS_IDLE) {
144 return 0;
145 }
146 udelay(1);
147 }
148 return -1;
149 }
150
151 void rv515_vga_render_disable(struct radeon_device *rdev)
152 {
153 WREG32(R_000300_VGA_RENDER_CONTROL,
154 RREG32(R_000300_VGA_RENDER_CONTROL) & C_000300_VGA_VSTATUS_CNTL);
155 }
156
157 static void rv515_gpu_init(struct radeon_device *rdev)
158 {
159 unsigned pipe_select_current, gb_pipe_select, tmp;
160
161 if (r100_gui_wait_for_idle(rdev)) {
162 pr_warn("Failed to wait GUI idle while resetting GPU. Bad things might happen.\n");
163 }
164 rv515_vga_render_disable(rdev);
165 r420_pipes_init(rdev);
166 gb_pipe_select = RREG32(R400_GB_PIPE_SELECT);
167 tmp = RREG32(R300_DST_PIPE_CONFIG);
168 pipe_select_current = (tmp >> 2) & 3;
169 tmp = (1 << pipe_select_current) |
170 (((gb_pipe_select >> 8) & 0xF) << 4);
171 WREG32_PLL(0x000D, tmp);
172 if (r100_gui_wait_for_idle(rdev)) {
173 pr_warn("Failed to wait GUI idle while resetting GPU. Bad things might happen.\n");
174 }
175 if (rv515_mc_wait_for_idle(rdev)) {
176 pr_warn("Failed to wait MC idle while programming pipes. Bad things might happen.\n");
177 }
178 }
179
180 static void rv515_vram_get_type(struct radeon_device *rdev)
181 {
182 uint32_t tmp;
183
184 rdev->mc.vram_width = 128;
185 rdev->mc.vram_is_ddr = true;
186 tmp = RREG32_MC(RV515_MC_CNTL) & MEM_NUM_CHANNELS_MASK;
187 switch (tmp) {
188 case 0:
189 rdev->mc.vram_width = 64;
190 break;
191 case 1:
192 rdev->mc.vram_width = 128;
193 break;
194 default:
195 rdev->mc.vram_width = 128;
196 break;
197 }
198 }
199
200 static void rv515_mc_init(struct radeon_device *rdev)
201 {
202
203 rv515_vram_get_type(rdev);
204 r100_vram_init_sizes(rdev);
205 radeon_vram_location(rdev, &rdev->mc, 0);
206 rdev->mc.gtt_base_align = 0;
207 if (!(rdev->flags & RADEON_IS_AGP))
208 radeon_gtt_location(rdev, &rdev->mc);
209 radeon_update_bandwidth_info(rdev);
210 }
211
212 uint32_t rv515_mc_rreg(struct radeon_device *rdev, uint32_t reg)
213 {
214 unsigned long flags;
215 uint32_t r;
216
217 spin_lock_irqsave(&rdev->mc_idx_lock, flags);
218 WREG32(MC_IND_INDEX, 0x7f0000 | (reg & 0xffff));
219 r = RREG32(MC_IND_DATA);
220 WREG32(MC_IND_INDEX, 0);
221 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
222
223 return r;
224 }
225
226 void rv515_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
227 {
228 unsigned long flags;
229
230 spin_lock_irqsave(&rdev->mc_idx_lock, flags);
231 WREG32(MC_IND_INDEX, 0xff0000 | ((reg) & 0xffff));
232 WREG32(MC_IND_DATA, (v));
233 WREG32(MC_IND_INDEX, 0);
234 spin_unlock_irqrestore(&rdev->mc_idx_lock, flags);
235 }
236
237 #if defined(CONFIG_DEBUG_FS)
238 static int rv515_debugfs_pipes_info(struct seq_file *m, void *data)
239 {
240 struct drm_info_node *node = (struct drm_info_node *) m->private;
241 struct drm_device *dev = node->minor->dev;
242 struct radeon_device *rdev = dev->dev_private;
243 uint32_t tmp;
244
245 tmp = RREG32(GB_PIPE_SELECT);
246 seq_printf(m, "GB_PIPE_SELECT 0x%08x\n", tmp);
247 tmp = RREG32(SU_REG_DEST);
248 seq_printf(m, "SU_REG_DEST 0x%08x\n", tmp);
249 tmp = RREG32(GB_TILE_CONFIG);
250 seq_printf(m, "GB_TILE_CONFIG 0x%08x\n", tmp);
251 tmp = RREG32(DST_PIPE_CONFIG);
252 seq_printf(m, "DST_PIPE_CONFIG 0x%08x\n", tmp);
253 return 0;
254 }
255
256 static int rv515_debugfs_ga_info(struct seq_file *m, void *data)
257 {
258 struct drm_info_node *node = (struct drm_info_node *) m->private;
259 struct drm_device *dev = node->minor->dev;
260 struct radeon_device *rdev = dev->dev_private;
261 uint32_t tmp;
262
263 tmp = RREG32(0x2140);
264 seq_printf(m, "VAP_CNTL_STATUS 0x%08x\n", tmp);
265 radeon_asic_reset(rdev);
266 tmp = RREG32(0x425C);
267 seq_printf(m, "GA_IDLE 0x%08x\n", tmp);
268 return 0;
269 }
270
271 static struct drm_info_list rv515_pipes_info_list[] = {
272 {"rv515_pipes_info", rv515_debugfs_pipes_info, 0, NULL},
273 };
274
275 static struct drm_info_list rv515_ga_info_list[] = {
276 {"rv515_ga_info", rv515_debugfs_ga_info, 0, NULL},
277 };
278 #endif
279
280 static int rv515_debugfs_pipes_info_init(struct radeon_device *rdev)
281 {
282 #if defined(CONFIG_DEBUG_FS)
283 return radeon_debugfs_add_files(rdev, rv515_pipes_info_list, 1);
284 #else
285 return 0;
286 #endif
287 }
288
289 static int rv515_debugfs_ga_info_init(struct radeon_device *rdev)
290 {
291 #if defined(CONFIG_DEBUG_FS)
292 return radeon_debugfs_add_files(rdev, rv515_ga_info_list, 1);
293 #else
294 return 0;
295 #endif
296 }
297
298 void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save)
299 {
300 u32 crtc_enabled, tmp, frame_count, blackout;
301 int i, j;
302
303 save->vga_render_control = RREG32(R_000300_VGA_RENDER_CONTROL);
304 save->vga_hdp_control = RREG32(R_000328_VGA_HDP_CONTROL);
305
306 /* disable VGA render */
307 WREG32(R_000300_VGA_RENDER_CONTROL, 0);
308 /* blank the display controllers */
309 for (i = 0; i < rdev->num_crtc; i++) {
310 crtc_enabled = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN;
311 if (crtc_enabled) {
312 save->crtc_enabled[i] = true;
313 tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
314 if (!(tmp & AVIVO_CRTC_DISP_READ_REQUEST_DISABLE)) {
315 radeon_wait_for_vblank(rdev, i);
316 WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
317 tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
318 WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
319 WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
320 }
321 /* wait for the next frame */
322 frame_count = radeon_get_vblank_counter(rdev, i);
323 for (j = 0; j < rdev->usec_timeout; j++) {
324 if (radeon_get_vblank_counter(rdev, i) != frame_count)
325 break;
326 udelay(1);
327 }
328
329 /* XXX this is a hack to avoid strange behavior with EFI on certain systems */
330 WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
331 tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
332 tmp &= ~AVIVO_CRTC_EN;
333 WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
334 WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
335 save->crtc_enabled[i] = false;
336 /* ***** */
337 } else {
338 save->crtc_enabled[i] = false;
339 }
340 }
341
342 radeon_mc_wait_for_idle(rdev);
343
344 if (rdev->family >= CHIP_R600) {
345 if (rdev->family >= CHIP_RV770)
346 blackout = RREG32(R700_MC_CITF_CNTL);
347 else
348 blackout = RREG32(R600_CITF_CNTL);
349 if ((blackout & R600_BLACKOUT_MASK) != R600_BLACKOUT_MASK) {
350 /* Block CPU access */
351 WREG32(R600_BIF_FB_EN, 0);
352 /* blackout the MC */
353 blackout |= R600_BLACKOUT_MASK;
354 if (rdev->family >= CHIP_RV770)
355 WREG32(R700_MC_CITF_CNTL, blackout);
356 else
357 WREG32(R600_CITF_CNTL, blackout);
358 }
359 }
360 /* wait for the MC to settle */
361 udelay(100);
362
363 /* lock double buffered regs */
364 for (i = 0; i < rdev->num_crtc; i++) {
365 if (save->crtc_enabled[i]) {
366 tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
367 if (!(tmp & AVIVO_D1GRPH_UPDATE_LOCK)) {
368 tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
369 WREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i], tmp);
370 }
371 tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i]);
372 if (!(tmp & 1)) {
373 tmp |= 1;
374 WREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
375 }
376 }
377 }
378 }
379
380 void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save)
381 {
382 u32 tmp, frame_count;
383 int i, j;
384
385 /* update crtc base addresses */
386 for (i = 0; i < rdev->num_crtc; i++) {
387 if (rdev->family >= CHIP_RV770) {
388 if (i == 0) {
389 WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH,
390 upper_32_bits(rdev->mc.vram_start));
391 WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH,
392 upper_32_bits(rdev->mc.vram_start));
393 } else {
394 WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH,
395 upper_32_bits(rdev->mc.vram_start));
396 WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH,
397 upper_32_bits(rdev->mc.vram_start));
398 }
399 }
400 WREG32(R_006110_D1GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
401 (u32)rdev->mc.vram_start);
402 WREG32(R_006118_D1GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
403 (u32)rdev->mc.vram_start);
404 }
405 WREG32(R_000310_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
406
407 /* unlock regs and wait for update */
408 for (i = 0; i < rdev->num_crtc; i++) {
409 if (save->crtc_enabled[i]) {
410 tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i]);
411 if ((tmp & 0x7) != 3) {
412 tmp &= ~0x7;
413 tmp |= 0x3;
414 WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i], tmp);
415 }
416 tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
417 if (tmp & AVIVO_D1GRPH_UPDATE_LOCK) {
418 tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
419 WREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i], tmp);
420 }
421 tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i]);
422 if (tmp & 1) {
423 tmp &= ~1;
424 WREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
425 }
426 for (j = 0; j < rdev->usec_timeout; j++) {
427 tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
428 if ((tmp & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING) == 0)
429 break;
430 udelay(1);
431 }
432 }
433 }
434
435 if (rdev->family >= CHIP_R600) {
436 /* unblackout the MC */
437 if (rdev->family >= CHIP_RV770)
438 tmp = RREG32(R700_MC_CITF_CNTL);
439 else
440 tmp = RREG32(R600_CITF_CNTL);
441 tmp &= ~R600_BLACKOUT_MASK;
442 if (rdev->family >= CHIP_RV770)
443 WREG32(R700_MC_CITF_CNTL, tmp);
444 else
445 WREG32(R600_CITF_CNTL, tmp);
446 /* allow CPU access */
447 WREG32(R600_BIF_FB_EN, R600_FB_READ_EN | R600_FB_WRITE_EN);
448 }
449
450 for (i = 0; i < rdev->num_crtc; i++) {
451 if (save->crtc_enabled[i]) {
452 tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
453 tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
454 WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
455 /* wait for the next frame */
456 frame_count = radeon_get_vblank_counter(rdev, i);
457 for (j = 0; j < rdev->usec_timeout; j++) {
458 if (radeon_get_vblank_counter(rdev, i) != frame_count)
459 break;
460 udelay(1);
461 }
462 }
463 }
464 /* Unlock vga access */
465 WREG32(R_000328_VGA_HDP_CONTROL, save->vga_hdp_control);
466 mdelay(1);
467 WREG32(R_000300_VGA_RENDER_CONTROL, save->vga_render_control);
468 }
469
470 static void rv515_mc_program(struct radeon_device *rdev)
471 {
472 struct rv515_mc_save save;
473
474 /* Stops all mc clients */
475 rv515_mc_stop(rdev, &save);
476
477 /* Wait for mc idle */
478 if (rv515_mc_wait_for_idle(rdev))
479 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
480 /* Write VRAM size in case we are limiting it */
481 WREG32(R_0000F8_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
482 /* Program MC, should be a 32bits limited address space */
483 WREG32_MC(R_000001_MC_FB_LOCATION,
484 S_000001_MC_FB_START(rdev->mc.vram_start >> 16) |
485 S_000001_MC_FB_TOP(rdev->mc.vram_end >> 16));
486 WREG32(R_000134_HDP_FB_LOCATION,
487 S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
488 if (rdev->flags & RADEON_IS_AGP) {
489 WREG32_MC(R_000002_MC_AGP_LOCATION,
490 S_000002_MC_AGP_START(rdev->mc.gtt_start >> 16) |
491 S_000002_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
492 WREG32_MC(R_000003_MC_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
493 WREG32_MC(R_000004_MC_AGP_BASE_2,
494 S_000004_AGP_BASE_ADDR_2(upper_32_bits(rdev->mc.agp_base)));
495 } else {
496 WREG32_MC(R_000002_MC_AGP_LOCATION, 0xFFFFFFFF);
497 WREG32_MC(R_000003_MC_AGP_BASE, 0);
498 WREG32_MC(R_000004_MC_AGP_BASE_2, 0);
499 }
500
501 rv515_mc_resume(rdev, &save);
502 }
503
504 void rv515_clock_startup(struct radeon_device *rdev)
505 {
506 if (radeon_dynclks != -1 && radeon_dynclks)
507 radeon_atom_set_clock_gating(rdev, 1);
508 /* We need to force on some of the block */
509 WREG32_PLL(R_00000F_CP_DYN_CNTL,
510 RREG32_PLL(R_00000F_CP_DYN_CNTL) | S_00000F_CP_FORCEON(1));
511 WREG32_PLL(R_000011_E2_DYN_CNTL,
512 RREG32_PLL(R_000011_E2_DYN_CNTL) | S_000011_E2_FORCEON(1));
513 WREG32_PLL(R_000013_IDCT_DYN_CNTL,
514 RREG32_PLL(R_000013_IDCT_DYN_CNTL) | S_000013_IDCT_FORCEON(1));
515 }
516
517 static int rv515_startup(struct radeon_device *rdev)
518 {
519 int r;
520
521 rv515_mc_program(rdev);
522 /* Resume clock */
523 rv515_clock_startup(rdev);
524 /* Initialize GPU configuration (# pipes, ...) */
525 rv515_gpu_init(rdev);
526 /* Initialize GART (initialize after TTM so we can allocate
527 * memory through TTM but finalize after TTM) */
528 if (rdev->flags & RADEON_IS_PCIE) {
529 r = rv370_pcie_gart_enable(rdev);
530 if (r)
531 return r;
532 }
533
534 /* allocate wb buffer */
535 r = radeon_wb_init(rdev);
536 if (r)
537 return r;
538
539 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
540 if (r) {
541 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
542 return r;
543 }
544
545 /* Enable IRQ */
546 if (!rdev->irq.installed) {
547 r = radeon_irq_kms_init(rdev);
548 if (r)
549 return r;
550 }
551
552 rs600_irq_set(rdev);
553 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
554 /* 1M ring buffer */
555 r = r100_cp_init(rdev, 1024 * 1024);
556 if (r) {
557 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
558 return r;
559 }
560
561 r = radeon_ib_pool_init(rdev);
562 if (r) {
563 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
564 return r;
565 }
566
567 return 0;
568 }
569
570 int rv515_resume(struct radeon_device *rdev)
571 {
572 int r;
573
574 /* Make sur GART are not working */
575 if (rdev->flags & RADEON_IS_PCIE)
576 rv370_pcie_gart_disable(rdev);
577 /* Resume clock before doing reset */
578 rv515_clock_startup(rdev);
579 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
580 if (radeon_asic_reset(rdev)) {
581 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
582 RREG32(R_000E40_RBBM_STATUS),
583 RREG32(R_0007C0_CP_STAT));
584 }
585 /* post */
586 atom_asic_init(rdev->mode_info.atom_context);
587 /* Resume clock after posting */
588 rv515_clock_startup(rdev);
589 /* Initialize surface registers */
590 radeon_surface_init(rdev);
591
592 rdev->accel_working = true;
593 r = rv515_startup(rdev);
594 if (r) {
595 rdev->accel_working = false;
596 }
597 return r;
598 }
599
600 int rv515_suspend(struct radeon_device *rdev)
601 {
602 radeon_pm_suspend(rdev);
603 r100_cp_disable(rdev);
604 radeon_wb_disable(rdev);
605 rs600_irq_disable(rdev);
606 if (rdev->flags & RADEON_IS_PCIE)
607 rv370_pcie_gart_disable(rdev);
608 return 0;
609 }
610
611 void rv515_set_safe_registers(struct radeon_device *rdev)
612 {
613 rdev->config.r300.reg_safe_bm = rv515_reg_safe_bm;
614 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rv515_reg_safe_bm);
615 }
616
617 void rv515_fini(struct radeon_device *rdev)
618 {
619 radeon_pm_fini(rdev);
620 r100_cp_fini(rdev);
621 radeon_wb_fini(rdev);
622 radeon_ib_pool_fini(rdev);
623 radeon_gem_fini(rdev);
624 rv370_pcie_gart_fini(rdev);
625 radeon_agp_fini(rdev);
626 radeon_irq_kms_fini(rdev);
627 radeon_fence_driver_fini(rdev);
628 radeon_bo_fini(rdev);
629 radeon_atombios_fini(rdev);
630 kfree(rdev->bios);
631 rdev->bios = NULL;
632 }
633
634 int rv515_init(struct radeon_device *rdev)
635 {
636 int r;
637
638 /* Initialize scratch registers */
639 radeon_scratch_init(rdev);
640 /* Initialize surface registers */
641 radeon_surface_init(rdev);
642 /* TODO: disable VGA need to use VGA request */
643 /* restore some register to sane defaults */
644 r100_restore_sanity(rdev);
645 /* BIOS*/
646 if (!radeon_get_bios(rdev)) {
647 if (ASIC_IS_AVIVO(rdev))
648 return -EINVAL;
649 }
650 if (rdev->is_atom_bios) {
651 r = radeon_atombios_init(rdev);
652 if (r)
653 return r;
654 } else {
655 dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n");
656 return -EINVAL;
657 }
658 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
659 if (radeon_asic_reset(rdev)) {
660 dev_warn(rdev->dev,
661 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
662 RREG32(R_000E40_RBBM_STATUS),
663 RREG32(R_0007C0_CP_STAT));
664 }
665 /* check if cards are posted or not */
666 if (radeon_boot_test_post_card(rdev) == false)
667 return -EINVAL;
668 /* Initialize clocks */
669 radeon_get_clock_info(rdev->ddev);
670 /* initialize AGP */
671 if (rdev->flags & RADEON_IS_AGP) {
672 r = radeon_agp_init(rdev);
673 if (r) {
674 radeon_agp_disable(rdev);
675 }
676 }
677 /* initialize memory controller */
678 rv515_mc_init(rdev);
679 rv515_debugfs(rdev);
680 /* Fence driver */
681 r = radeon_fence_driver_init(rdev);
682 if (r)
683 return r;
684 /* Memory manager */
685 r = radeon_bo_init(rdev);
686 if (r)
687 return r;
688 r = rv370_pcie_gart_init(rdev);
689 if (r)
690 return r;
691 rv515_set_safe_registers(rdev);
692
693 /* Initialize power management */
694 radeon_pm_init(rdev);
695
696 rdev->accel_working = true;
697 r = rv515_startup(rdev);
698 if (r) {
699 /* Somethings want wront with the accel init stop accel */
700 dev_err(rdev->dev, "Disabling GPU acceleration\n");
701 r100_cp_fini(rdev);
702 radeon_wb_fini(rdev);
703 radeon_ib_pool_fini(rdev);
704 radeon_irq_kms_fini(rdev);
705 rv370_pcie_gart_fini(rdev);
706 radeon_agp_fini(rdev);
707 rdev->accel_working = false;
708 }
709 return 0;
710 }
711
712 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *crtc)
713 {
714 int index_reg = 0x6578 + crtc->crtc_offset;
715 int data_reg = 0x657c + crtc->crtc_offset;
716
717 WREG32(0x659C + crtc->crtc_offset, 0x0);
718 WREG32(0x6594 + crtc->crtc_offset, 0x705);
719 WREG32(0x65A4 + crtc->crtc_offset, 0x10001);
720 WREG32(0x65D8 + crtc->crtc_offset, 0x0);
721 WREG32(0x65B0 + crtc->crtc_offset, 0x0);
722 WREG32(0x65C0 + crtc->crtc_offset, 0x0);
723 WREG32(0x65D4 + crtc->crtc_offset, 0x0);
724 WREG32(index_reg, 0x0);
725 WREG32(data_reg, 0x841880A8);
726 WREG32(index_reg, 0x1);
727 WREG32(data_reg, 0x84208680);
728 WREG32(index_reg, 0x2);
729 WREG32(data_reg, 0xBFF880B0);
730 WREG32(index_reg, 0x100);
731 WREG32(data_reg, 0x83D88088);
732 WREG32(index_reg, 0x101);
733 WREG32(data_reg, 0x84608680);
734 WREG32(index_reg, 0x102);
735 WREG32(data_reg, 0xBFF080D0);
736 WREG32(index_reg, 0x200);
737 WREG32(data_reg, 0x83988068);
738 WREG32(index_reg, 0x201);
739 WREG32(data_reg, 0x84A08680);
740 WREG32(index_reg, 0x202);
741 WREG32(data_reg, 0xBFF080F8);
742 WREG32(index_reg, 0x300);
743 WREG32(data_reg, 0x83588058);
744 WREG32(index_reg, 0x301);
745 WREG32(data_reg, 0x84E08660);
746 WREG32(index_reg, 0x302);
747 WREG32(data_reg, 0xBFF88120);
748 WREG32(index_reg, 0x400);
749 WREG32(data_reg, 0x83188040);
750 WREG32(index_reg, 0x401);
751 WREG32(data_reg, 0x85008660);
752 WREG32(index_reg, 0x402);
753 WREG32(data_reg, 0xBFF88150);
754 WREG32(index_reg, 0x500);
755 WREG32(data_reg, 0x82D88030);
756 WREG32(index_reg, 0x501);
757 WREG32(data_reg, 0x85408640);
758 WREG32(index_reg, 0x502);
759 WREG32(data_reg, 0xBFF88180);
760 WREG32(index_reg, 0x600);
761 WREG32(data_reg, 0x82A08018);
762 WREG32(index_reg, 0x601);
763 WREG32(data_reg, 0x85808620);
764 WREG32(index_reg, 0x602);
765 WREG32(data_reg, 0xBFF081B8);
766 WREG32(index_reg, 0x700);
767 WREG32(data_reg, 0x82608010);
768 WREG32(index_reg, 0x701);
769 WREG32(data_reg, 0x85A08600);
770 WREG32(index_reg, 0x702);
771 WREG32(data_reg, 0x800081F0);
772 WREG32(index_reg, 0x800);
773 WREG32(data_reg, 0x8228BFF8);
774 WREG32(index_reg, 0x801);
775 WREG32(data_reg, 0x85E085E0);
776 WREG32(index_reg, 0x802);
777 WREG32(data_reg, 0xBFF88228);
778 WREG32(index_reg, 0x10000);
779 WREG32(data_reg, 0x82A8BF00);
780 WREG32(index_reg, 0x10001);
781 WREG32(data_reg, 0x82A08CC0);
782 WREG32(index_reg, 0x10002);
783 WREG32(data_reg, 0x8008BEF8);
784 WREG32(index_reg, 0x10100);
785 WREG32(data_reg, 0x81F0BF28);
786 WREG32(index_reg, 0x10101);
787 WREG32(data_reg, 0x83608CA0);
788 WREG32(index_reg, 0x10102);
789 WREG32(data_reg, 0x8018BED0);
790 WREG32(index_reg, 0x10200);
791 WREG32(data_reg, 0x8148BF38);
792 WREG32(index_reg, 0x10201);
793 WREG32(data_reg, 0x84408C80);
794 WREG32(index_reg, 0x10202);
795 WREG32(data_reg, 0x8008BEB8);
796 WREG32(index_reg, 0x10300);
797 WREG32(data_reg, 0x80B0BF78);
798 WREG32(index_reg, 0x10301);
799 WREG32(data_reg, 0x85008C20);
800 WREG32(index_reg, 0x10302);
801 WREG32(data_reg, 0x8020BEA0);
802 WREG32(index_reg, 0x10400);
803 WREG32(data_reg, 0x8028BF90);
804 WREG32(index_reg, 0x10401);
805 WREG32(data_reg, 0x85E08BC0);
806 WREG32(index_reg, 0x10402);
807 WREG32(data_reg, 0x8018BE90);
808 WREG32(index_reg, 0x10500);
809 WREG32(data_reg, 0xBFB8BFB0);
810 WREG32(index_reg, 0x10501);
811 WREG32(data_reg, 0x86C08B40);
812 WREG32(index_reg, 0x10502);
813 WREG32(data_reg, 0x8010BE90);
814 WREG32(index_reg, 0x10600);
815 WREG32(data_reg, 0xBF58BFC8);
816 WREG32(index_reg, 0x10601);
817 WREG32(data_reg, 0x87A08AA0);
818 WREG32(index_reg, 0x10602);
819 WREG32(data_reg, 0x8010BE98);
820 WREG32(index_reg, 0x10700);
821 WREG32(data_reg, 0xBF10BFF0);
822 WREG32(index_reg, 0x10701);
823 WREG32(data_reg, 0x886089E0);
824 WREG32(index_reg, 0x10702);
825 WREG32(data_reg, 0x8018BEB0);
826 WREG32(index_reg, 0x10800);
827 WREG32(data_reg, 0xBED8BFE8);
828 WREG32(index_reg, 0x10801);
829 WREG32(data_reg, 0x89408940);
830 WREG32(index_reg, 0x10802);
831 WREG32(data_reg, 0xBFE8BED8);
832 WREG32(index_reg, 0x20000);
833 WREG32(data_reg, 0x80008000);
834 WREG32(index_reg, 0x20001);
835 WREG32(data_reg, 0x90008000);
836 WREG32(index_reg, 0x20002);
837 WREG32(data_reg, 0x80008000);
838 WREG32(index_reg, 0x20003);
839 WREG32(data_reg, 0x80008000);
840 WREG32(index_reg, 0x20100);
841 WREG32(data_reg, 0x80108000);
842 WREG32(index_reg, 0x20101);
843 WREG32(data_reg, 0x8FE0BF70);
844 WREG32(index_reg, 0x20102);
845 WREG32(data_reg, 0xBFE880C0);
846 WREG32(index_reg, 0x20103);
847 WREG32(data_reg, 0x80008000);
848 WREG32(index_reg, 0x20200);
849 WREG32(data_reg, 0x8018BFF8);
850 WREG32(index_reg, 0x20201);
851 WREG32(data_reg, 0x8F80BF08);
852 WREG32(index_reg, 0x20202);
853 WREG32(data_reg, 0xBFD081A0);
854 WREG32(index_reg, 0x20203);
855 WREG32(data_reg, 0xBFF88000);
856 WREG32(index_reg, 0x20300);
857 WREG32(data_reg, 0x80188000);
858 WREG32(index_reg, 0x20301);
859 WREG32(data_reg, 0x8EE0BEC0);
860 WREG32(index_reg, 0x20302);
861 WREG32(data_reg, 0xBFB082A0);
862 WREG32(index_reg, 0x20303);
863 WREG32(data_reg, 0x80008000);
864 WREG32(index_reg, 0x20400);
865 WREG32(data_reg, 0x80188000);
866 WREG32(index_reg, 0x20401);
867 WREG32(data_reg, 0x8E00BEA0);
868 WREG32(index_reg, 0x20402);
869 WREG32(data_reg, 0xBF8883C0);
870 WREG32(index_reg, 0x20403);
871 WREG32(data_reg, 0x80008000);
872 WREG32(index_reg, 0x20500);
873 WREG32(data_reg, 0x80188000);
874 WREG32(index_reg, 0x20501);
875 WREG32(data_reg, 0x8D00BE90);
876 WREG32(index_reg, 0x20502);
877 WREG32(data_reg, 0xBF588500);
878 WREG32(index_reg, 0x20503);
879 WREG32(data_reg, 0x80008008);
880 WREG32(index_reg, 0x20600);
881 WREG32(data_reg, 0x80188000);
882 WREG32(index_reg, 0x20601);
883 WREG32(data_reg, 0x8BC0BE98);
884 WREG32(index_reg, 0x20602);
885 WREG32(data_reg, 0xBF308660);
886 WREG32(index_reg, 0x20603);
887 WREG32(data_reg, 0x80008008);
888 WREG32(index_reg, 0x20700);
889 WREG32(data_reg, 0x80108000);
890 WREG32(index_reg, 0x20701);
891 WREG32(data_reg, 0x8A80BEB0);
892 WREG32(index_reg, 0x20702);
893 WREG32(data_reg, 0xBF0087C0);
894 WREG32(index_reg, 0x20703);
895 WREG32(data_reg, 0x80008008);
896 WREG32(index_reg, 0x20800);
897 WREG32(data_reg, 0x80108000);
898 WREG32(index_reg, 0x20801);
899 WREG32(data_reg, 0x8920BED0);
900 WREG32(index_reg, 0x20802);
901 WREG32(data_reg, 0xBED08920);
902 WREG32(index_reg, 0x20803);
903 WREG32(data_reg, 0x80008010);
904 WREG32(index_reg, 0x30000);
905 WREG32(data_reg, 0x90008000);
906 WREG32(index_reg, 0x30001);
907 WREG32(data_reg, 0x80008000);
908 WREG32(index_reg, 0x30100);
909 WREG32(data_reg, 0x8FE0BF90);
910 WREG32(index_reg, 0x30101);
911 WREG32(data_reg, 0xBFF880A0);
912 WREG32(index_reg, 0x30200);
913 WREG32(data_reg, 0x8F60BF40);
914 WREG32(index_reg, 0x30201);
915 WREG32(data_reg, 0xBFE88180);
916 WREG32(index_reg, 0x30300);
917 WREG32(data_reg, 0x8EC0BF00);
918 WREG32(index_reg, 0x30301);
919 WREG32(data_reg, 0xBFC88280);
920 WREG32(index_reg, 0x30400);
921 WREG32(data_reg, 0x8DE0BEE0);
922 WREG32(index_reg, 0x30401);
923 WREG32(data_reg, 0xBFA083A0);
924 WREG32(index_reg, 0x30500);
925 WREG32(data_reg, 0x8CE0BED0);
926 WREG32(index_reg, 0x30501);
927 WREG32(data_reg, 0xBF7884E0);
928 WREG32(index_reg, 0x30600);
929 WREG32(data_reg, 0x8BA0BED8);
930 WREG32(index_reg, 0x30601);
931 WREG32(data_reg, 0xBF508640);
932 WREG32(index_reg, 0x30700);
933 WREG32(data_reg, 0x8A60BEE8);
934 WREG32(index_reg, 0x30701);
935 WREG32(data_reg, 0xBF2087A0);
936 WREG32(index_reg, 0x30800);
937 WREG32(data_reg, 0x8900BF00);
938 WREG32(index_reg, 0x30801);
939 WREG32(data_reg, 0xBF008900);
940 }
941
942 struct rv515_watermark {
943 u32 lb_request_fifo_depth;
944 fixed20_12 num_line_pair;
945 fixed20_12 estimated_width;
946 fixed20_12 worst_case_latency;
947 fixed20_12 consumption_rate;
948 fixed20_12 active_time;
949 fixed20_12 dbpp;
950 fixed20_12 priority_mark_max;
951 fixed20_12 priority_mark;
952 fixed20_12 sclk;
953 };
954
955 static void rv515_crtc_bandwidth_compute(struct radeon_device *rdev,
956 struct radeon_crtc *crtc,
957 struct rv515_watermark *wm,
958 bool low)
959 {
960 struct drm_display_mode *mode = &crtc->base.mode;
961 fixed20_12 a, b, c;
962 fixed20_12 pclk, request_fifo_depth, tolerable_latency, estimated_width;
963 fixed20_12 consumption_time, line_time, chunk_time, read_delay_latency;
964 fixed20_12 sclk;
965 u32 selected_sclk;
966
967 if (!crtc->base.enabled) {
968 /* FIXME: wouldn't it better to set priority mark to maximum */
969 wm->lb_request_fifo_depth = 4;
970 return;
971 }
972
973 /* rv6xx, rv7xx */
974 if ((rdev->family >= CHIP_RV610) &&
975 (rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled)
976 selected_sclk = radeon_dpm_get_sclk(rdev, low);
977 else
978 selected_sclk = rdev->pm.current_sclk;
979
980 /* sclk in Mhz */
981 a.full = dfixed_const(100);
982 sclk.full = dfixed_const(selected_sclk);
983 sclk.full = dfixed_div(sclk, a);
984
985 if (crtc->vsc.full > dfixed_const(2))
986 wm->num_line_pair.full = dfixed_const(2);
987 else
988 wm->num_line_pair.full = dfixed_const(1);
989
990 b.full = dfixed_const(mode->crtc_hdisplay);
991 c.full = dfixed_const(256);
992 a.full = dfixed_div(b, c);
993 request_fifo_depth.full = dfixed_mul(a, wm->num_line_pair);
994 request_fifo_depth.full = dfixed_ceil(request_fifo_depth);
995 if (a.full < dfixed_const(4)) {
996 wm->lb_request_fifo_depth = 4;
997 } else {
998 wm->lb_request_fifo_depth = dfixed_trunc(request_fifo_depth);
999 }
1000
1001 /* Determine consumption rate
1002 * pclk = pixel clock period(ns) = 1000 / (mode.clock / 1000)
1003 * vtaps = number of vertical taps,
1004 * vsc = vertical scaling ratio, defined as source/destination
1005 * hsc = horizontal scaling ration, defined as source/destination
1006 */
1007 a.full = dfixed_const(mode->clock);
1008 b.full = dfixed_const(1000);
1009 a.full = dfixed_div(a, b);
1010 pclk.full = dfixed_div(b, a);
1011 if (crtc->rmx_type != RMX_OFF) {
1012 b.full = dfixed_const(2);
1013 if (crtc->vsc.full > b.full)
1014 b.full = crtc->vsc.full;
1015 b.full = dfixed_mul(b, crtc->hsc);
1016 c.full = dfixed_const(2);
1017 b.full = dfixed_div(b, c);
1018 consumption_time.full = dfixed_div(pclk, b);
1019 } else {
1020 consumption_time.full = pclk.full;
1021 }
1022 a.full = dfixed_const(1);
1023 wm->consumption_rate.full = dfixed_div(a, consumption_time);
1024
1025
1026 /* Determine line time
1027 * LineTime = total time for one line of displayhtotal
1028 * LineTime = total number of horizontal pixels
1029 * pclk = pixel clock period(ns)
1030 */
1031 a.full = dfixed_const(crtc->base.mode.crtc_htotal);
1032 line_time.full = dfixed_mul(a, pclk);
1033
1034 /* Determine active time
1035 * ActiveTime = time of active region of display within one line,
1036 * hactive = total number of horizontal active pixels
1037 * htotal = total number of horizontal pixels
1038 */
1039 a.full = dfixed_const(crtc->base.mode.crtc_htotal);
1040 b.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
1041 wm->active_time.full = dfixed_mul(line_time, b);
1042 wm->active_time.full = dfixed_div(wm->active_time, a);
1043
1044 /* Determine chunk time
1045 * ChunkTime = the time it takes the DCP to send one chunk of data
1046 * to the LB which consists of pipeline delay and inter chunk gap
1047 * sclk = system clock(Mhz)
1048 */
1049 a.full = dfixed_const(600 * 1000);
1050 chunk_time.full = dfixed_div(a, sclk);
1051 read_delay_latency.full = dfixed_const(1000);
1052
1053 /* Determine the worst case latency
1054 * NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines)
1055 * WorstCaseLatency = worst case time from urgent to when the MC starts
1056 * to return data
1057 * READ_DELAY_IDLE_MAX = constant of 1us
1058 * ChunkTime = time it takes the DCP to send one chunk of data to the LB
1059 * which consists of pipeline delay and inter chunk gap
1060 */
1061 if (dfixed_trunc(wm->num_line_pair) > 1) {
1062 a.full = dfixed_const(3);
1063 wm->worst_case_latency.full = dfixed_mul(a, chunk_time);
1064 wm->worst_case_latency.full += read_delay_latency.full;
1065 } else {
1066 wm->worst_case_latency.full = chunk_time.full + read_delay_latency.full;
1067 }
1068
1069 /* Determine the tolerable latency
1070 * TolerableLatency = Any given request has only 1 line time
1071 * for the data to be returned
1072 * LBRequestFifoDepth = Number of chunk requests the LB can
1073 * put into the request FIFO for a display
1074 * LineTime = total time for one line of display
1075 * ChunkTime = the time it takes the DCP to send one chunk
1076 * of data to the LB which consists of
1077 * pipeline delay and inter chunk gap
1078 */
1079 if ((2+wm->lb_request_fifo_depth) >= dfixed_trunc(request_fifo_depth)) {
1080 tolerable_latency.full = line_time.full;
1081 } else {
1082 tolerable_latency.full = dfixed_const(wm->lb_request_fifo_depth - 2);
1083 tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full;
1084 tolerable_latency.full = dfixed_mul(tolerable_latency, chunk_time);
1085 tolerable_latency.full = line_time.full - tolerable_latency.full;
1086 }
1087 /* We assume worst case 32bits (4 bytes) */
1088 wm->dbpp.full = dfixed_const(2 * 16);
1089
1090 /* Determine the maximum priority mark
1091 * width = viewport width in pixels
1092 */
1093 a.full = dfixed_const(16);
1094 wm->priority_mark_max.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
1095 wm->priority_mark_max.full = dfixed_div(wm->priority_mark_max, a);
1096 wm->priority_mark_max.full = dfixed_ceil(wm->priority_mark_max);
1097
1098 /* Determine estimated width */
1099 estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full;
1100 estimated_width.full = dfixed_div(estimated_width, consumption_time);
1101 if (dfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
1102 wm->priority_mark.full = wm->priority_mark_max.full;
1103 } else {
1104 a.full = dfixed_const(16);
1105 wm->priority_mark.full = dfixed_div(estimated_width, a);
1106 wm->priority_mark.full = dfixed_ceil(wm->priority_mark);
1107 wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full;
1108 }
1109 }
1110
1111 static void rv515_compute_mode_priority(struct radeon_device *rdev,
1112 struct rv515_watermark *wm0,
1113 struct rv515_watermark *wm1,
1114 struct drm_display_mode *mode0,
1115 struct drm_display_mode *mode1,
1116 u32 *d1mode_priority_a_cnt,
1117 u32 *d2mode_priority_a_cnt)
1118 {
1119 fixed20_12 priority_mark02, priority_mark12, fill_rate;
1120 fixed20_12 a, b;
1121
1122 *d1mode_priority_a_cnt = MODE_PRIORITY_OFF;
1123 *d2mode_priority_a_cnt = MODE_PRIORITY_OFF;
1124
1125 if (mode0 && mode1) {
1126 if (dfixed_trunc(wm0->dbpp) > 64)
1127 a.full = dfixed_div(wm0->dbpp, wm0->num_line_pair);
1128 else
1129 a.full = wm0->num_line_pair.full;
1130 if (dfixed_trunc(wm1->dbpp) > 64)
1131 b.full = dfixed_div(wm1->dbpp, wm1->num_line_pair);
1132 else
1133 b.full = wm1->num_line_pair.full;
1134 a.full += b.full;
1135 fill_rate.full = dfixed_div(wm0->sclk, a);
1136 if (wm0->consumption_rate.full > fill_rate.full) {
1137 b.full = wm0->consumption_rate.full - fill_rate.full;
1138 b.full = dfixed_mul(b, wm0->active_time);
1139 a.full = dfixed_const(16);
1140 b.full = dfixed_div(b, a);
1141 a.full = dfixed_mul(wm0->worst_case_latency,
1142 wm0->consumption_rate);
1143 priority_mark02.full = a.full + b.full;
1144 } else {
1145 a.full = dfixed_mul(wm0->worst_case_latency,
1146 wm0->consumption_rate);
1147 b.full = dfixed_const(16 * 1000);
1148 priority_mark02.full = dfixed_div(a, b);
1149 }
1150 if (wm1->consumption_rate.full > fill_rate.full) {
1151 b.full = wm1->consumption_rate.full - fill_rate.full;
1152 b.full = dfixed_mul(b, wm1->active_time);
1153 a.full = dfixed_const(16);
1154 b.full = dfixed_div(b, a);
1155 a.full = dfixed_mul(wm1->worst_case_latency,
1156 wm1->consumption_rate);
1157 priority_mark12.full = a.full + b.full;
1158 } else {
1159 a.full = dfixed_mul(wm1->worst_case_latency,
1160 wm1->consumption_rate);
1161 b.full = dfixed_const(16 * 1000);
1162 priority_mark12.full = dfixed_div(a, b);
1163 }
1164 if (wm0->priority_mark.full > priority_mark02.full)
1165 priority_mark02.full = wm0->priority_mark.full;
1166 if (wm0->priority_mark_max.full > priority_mark02.full)
1167 priority_mark02.full = wm0->priority_mark_max.full;
1168 if (wm1->priority_mark.full > priority_mark12.full)
1169 priority_mark12.full = wm1->priority_mark.full;
1170 if (wm1->priority_mark_max.full > priority_mark12.full)
1171 priority_mark12.full = wm1->priority_mark_max.full;
1172 *d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
1173 *d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
1174 if (rdev->disp_priority == 2) {
1175 *d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1176 *d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1177 }
1178 } else if (mode0) {
1179 if (dfixed_trunc(wm0->dbpp) > 64)
1180 a.full = dfixed_div(wm0->dbpp, wm0->num_line_pair);
1181 else
1182 a.full = wm0->num_line_pair.full;
1183 fill_rate.full = dfixed_div(wm0->sclk, a);
1184 if (wm0->consumption_rate.full > fill_rate.full) {
1185 b.full = wm0->consumption_rate.full - fill_rate.full;
1186 b.full = dfixed_mul(b, wm0->active_time);
1187 a.full = dfixed_const(16);
1188 b.full = dfixed_div(b, a);
1189 a.full = dfixed_mul(wm0->worst_case_latency,
1190 wm0->consumption_rate);
1191 priority_mark02.full = a.full + b.full;
1192 } else {
1193 a.full = dfixed_mul(wm0->worst_case_latency,
1194 wm0->consumption_rate);
1195 b.full = dfixed_const(16);
1196 priority_mark02.full = dfixed_div(a, b);
1197 }
1198 if (wm0->priority_mark.full > priority_mark02.full)
1199 priority_mark02.full = wm0->priority_mark.full;
1200 if (wm0->priority_mark_max.full > priority_mark02.full)
1201 priority_mark02.full = wm0->priority_mark_max.full;
1202 *d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
1203 if (rdev->disp_priority == 2)
1204 *d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1205 } else if (mode1) {
1206 if (dfixed_trunc(wm1->dbpp) > 64)
1207 a.full = dfixed_div(wm1->dbpp, wm1->num_line_pair);
1208 else
1209 a.full = wm1->num_line_pair.full;
1210 fill_rate.full = dfixed_div(wm1->sclk, a);
1211 if (wm1->consumption_rate.full > fill_rate.full) {
1212 b.full = wm1->consumption_rate.full - fill_rate.full;
1213 b.full = dfixed_mul(b, wm1->active_time);
1214 a.full = dfixed_const(16);
1215 b.full = dfixed_div(b, a);
1216 a.full = dfixed_mul(wm1->worst_case_latency,
1217 wm1->consumption_rate);
1218 priority_mark12.full = a.full + b.full;
1219 } else {
1220 a.full = dfixed_mul(wm1->worst_case_latency,
1221 wm1->consumption_rate);
1222 b.full = dfixed_const(16 * 1000);
1223 priority_mark12.full = dfixed_div(a, b);
1224 }
1225 if (wm1->priority_mark.full > priority_mark12.full)
1226 priority_mark12.full = wm1->priority_mark.full;
1227 if (wm1->priority_mark_max.full > priority_mark12.full)
1228 priority_mark12.full = wm1->priority_mark_max.full;
1229 *d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
1230 if (rdev->disp_priority == 2)
1231 *d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1232 }
1233 }
1234
1235 void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
1236 {
1237 struct drm_display_mode *mode0 = NULL;
1238 struct drm_display_mode *mode1 = NULL;
1239 struct rv515_watermark wm0_high, wm0_low;
1240 struct rv515_watermark wm1_high, wm1_low;
1241 u32 tmp;
1242 u32 d1mode_priority_a_cnt, d1mode_priority_b_cnt;
1243 u32 d2mode_priority_a_cnt, d2mode_priority_b_cnt;
1244
1245 if (rdev->mode_info.crtcs[0]->base.enabled)
1246 mode0 = &rdev->mode_info.crtcs[0]->base.mode;
1247 if (rdev->mode_info.crtcs[1]->base.enabled)
1248 mode1 = &rdev->mode_info.crtcs[1]->base.mode;
1249 rs690_line_buffer_adjust(rdev, mode0, mode1);
1250
1251 rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0_high, false);
1252 rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1_high, false);
1253
1254 rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0_low, false);
1255 rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1_low, false);
1256
1257 tmp = wm0_high.lb_request_fifo_depth;
1258 tmp |= wm1_high.lb_request_fifo_depth << 16;
1259 WREG32(LB_MAX_REQ_OUTSTANDING, tmp);
1260
1261 rv515_compute_mode_priority(rdev,
1262 &wm0_high, &wm1_high,
1263 mode0, mode1,
1264 &d1mode_priority_a_cnt, &d2mode_priority_a_cnt);
1265 rv515_compute_mode_priority(rdev,
1266 &wm0_low, &wm1_low,
1267 mode0, mode1,
1268 &d1mode_priority_b_cnt, &d2mode_priority_b_cnt);
1269
1270 WREG32(D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
1271 WREG32(D1MODE_PRIORITY_B_CNT, d1mode_priority_b_cnt);
1272 WREG32(D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
1273 WREG32(D2MODE_PRIORITY_B_CNT, d2mode_priority_b_cnt);
1274 }
1275
1276 void rv515_bandwidth_update(struct radeon_device *rdev)
1277 {
1278 uint32_t tmp;
1279 struct drm_display_mode *mode0 = NULL;
1280 struct drm_display_mode *mode1 = NULL;
1281
1282 if (!rdev->mode_info.mode_config_initialized)
1283 return;
1284
1285 radeon_update_display_priority(rdev);
1286
1287 if (rdev->mode_info.crtcs[0]->base.enabled)
1288 mode0 = &rdev->mode_info.crtcs[0]->base.mode;
1289 if (rdev->mode_info.crtcs[1]->base.enabled)
1290 mode1 = &rdev->mode_info.crtcs[1]->base.mode;
1291 /*
1292 * Set display0/1 priority up in the memory controller for
1293 * modes if the user specifies HIGH for displaypriority
1294 * option.
1295 */
1296 if ((rdev->disp_priority == 2) &&
1297 (rdev->family == CHIP_RV515)) {
1298 tmp = RREG32_MC(MC_MISC_LAT_TIMER);
1299 tmp &= ~MC_DISP1R_INIT_LAT_MASK;
1300 tmp &= ~MC_DISP0R_INIT_LAT_MASK;
1301 if (mode1)
1302 tmp |= (1 << MC_DISP1R_INIT_LAT_SHIFT);
1303 if (mode0)
1304 tmp |= (1 << MC_DISP0R_INIT_LAT_SHIFT);
1305 WREG32_MC(MC_MISC_LAT_TIMER, tmp);
1306 }
1307 rv515_bandwidth_avivo_update(rdev);
1308 }
Linux with added FPC-III support