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/debugfs.h>
30#include <linux/seq_file.h>
31#include <linux/slab.h>
32
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 */
43static void rv515_gpu_init(struct radeon_device *rdev);
44int rv515_mc_wait_for_idle(struct radeon_device *rdev);
45
46static const u32 crtc_offsets[2] = {
47 0,
48 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL
49};
50
51void rv515_ring_start(struct radeon_device *rdev, struct radeon_ring *ring)
52{
53 int r;
54
55 r = radeon_ring_lock(rdev, cp: ring, ndw: 64);
56 if (r) {
57 return;
58 }
59 radeon_ring_write(ring, PACKET0(ISYNC_CNTL, 0));
60 radeon_ring_write(ring,
61 ISYNC_ANY2D_IDLE3D |
62 ISYNC_ANY3D_IDLE2D |
63 ISYNC_WAIT_IDLEGUI |
64 ISYNC_CPSCRATCH_IDLEGUI);
65 radeon_ring_write(ring, PACKET0(WAIT_UNTIL, 0));
66 radeon_ring_write(ring, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
67 radeon_ring_write(ring, PACKET0(R300_DST_PIPE_CONFIG, 0));
68 radeon_ring_write(ring, R300_PIPE_AUTO_CONFIG);
69 radeon_ring_write(ring, PACKET0(GB_SELECT, 0));
70 radeon_ring_write(ring, v: 0);
71 radeon_ring_write(ring, PACKET0(GB_ENABLE, 0));
72 radeon_ring_write(ring, v: 0);
73 radeon_ring_write(ring, PACKET0(R500_SU_REG_DEST, 0));
74 radeon_ring_write(ring, v: (1 << rdev->num_gb_pipes) - 1);
75 radeon_ring_write(ring, PACKET0(VAP_INDEX_OFFSET, 0));
76 radeon_ring_write(ring, v: 0);
77 radeon_ring_write(ring, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
78 radeon_ring_write(ring, RB3D_DC_FLUSH | RB3D_DC_FREE);
79 radeon_ring_write(ring, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
80 radeon_ring_write(ring, ZC_FLUSH | ZC_FREE);
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(GB_AA_CONFIG, 0));
84 radeon_ring_write(ring, v: 0);
85 radeon_ring_write(ring, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
86 radeon_ring_write(ring, RB3D_DC_FLUSH | RB3D_DC_FREE);
87 radeon_ring_write(ring, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
88 radeon_ring_write(ring, ZC_FLUSH | ZC_FREE);
89 radeon_ring_write(ring, PACKET0(GB_MSPOS0, 0));
90 radeon_ring_write(ring,
91 v: ((6 << MS_X0_SHIFT) |
92 (6 << MS_Y0_SHIFT) |
93 (6 << MS_X1_SHIFT) |
94 (6 << MS_Y1_SHIFT) |
95 (6 << MS_X2_SHIFT) |
96 (6 << MS_Y2_SHIFT) |
97 (6 << MSBD0_Y_SHIFT) |
98 (6 << MSBD0_X_SHIFT)));
99 radeon_ring_write(ring, PACKET0(GB_MSPOS1, 0));
100 radeon_ring_write(ring,
101 v: ((6 << MS_X3_SHIFT) |
102 (6 << MS_Y3_SHIFT) |
103 (6 << MS_X4_SHIFT) |
104 (6 << MS_Y4_SHIFT) |
105 (6 << MS_X5_SHIFT) |
106 (6 << MS_Y5_SHIFT) |
107 (6 << MSBD1_SHIFT)));
108 radeon_ring_write(ring, PACKET0(GA_ENHANCE, 0));
109 radeon_ring_write(ring, GA_DEADLOCK_CNTL | GA_FASTSYNC_CNTL);
110 radeon_ring_write(ring, PACKET0(GA_POLY_MODE, 0));
111 radeon_ring_write(ring, FRONT_PTYPE_TRIANGE | BACK_PTYPE_TRIANGE);
112 radeon_ring_write(ring, PACKET0(GA_ROUND_MODE, 0));
113 radeon_ring_write(ring, GEOMETRY_ROUND_NEAREST | COLOR_ROUND_NEAREST);
114 radeon_ring_write(ring, PACKET0(0x20C8, 0));
115 radeon_ring_write(ring, v: 0);
116 radeon_ring_unlock_commit(rdev, cp: ring, hdp_flush: false);
117}
118
119int rv515_mc_wait_for_idle(struct radeon_device *rdev)
120{
121 unsigned i;
122 uint32_t tmp;
123
124 for (i = 0; i < rdev->usec_timeout; i++) {
125 /* read MC_STATUS */
126 tmp = RREG32_MC(MC_STATUS);
127 if (tmp & MC_STATUS_IDLE) {
128 return 0;
129 }
130 udelay(usec: 1);
131 }
132 return -1;
133}
134
135void rv515_vga_render_disable(struct radeon_device *rdev)
136{
137 WREG32(R_000300_VGA_RENDER_CONTROL,
138 RREG32(R_000300_VGA_RENDER_CONTROL) & C_000300_VGA_VSTATUS_CNTL);
139}
140
141static void rv515_gpu_init(struct radeon_device *rdev)
142{
143 unsigned pipe_select_current, gb_pipe_select, tmp;
144
145 if (r100_gui_wait_for_idle(rdev)) {
146 pr_warn("Failed to wait GUI idle while resetting GPU. Bad things might happen.\n");
147 }
148 rv515_vga_render_disable(rdev);
149 r420_pipes_init(rdev);
150 gb_pipe_select = RREG32(R400_GB_PIPE_SELECT);
151 tmp = RREG32(R300_DST_PIPE_CONFIG);
152 pipe_select_current = (tmp >> 2) & 3;
153 tmp = (1 << pipe_select_current) |
154 (((gb_pipe_select >> 8) & 0xF) << 4);
155 WREG32_PLL(0x000D, tmp);
156 if (r100_gui_wait_for_idle(rdev)) {
157 pr_warn("Failed to wait GUI idle while resetting GPU. Bad things might happen.\n");
158 }
159 if (rv515_mc_wait_for_idle(rdev)) {
160 pr_warn("Failed to wait MC idle while programming pipes. Bad things might happen.\n");
161 }
162}
163
164static void rv515_vram_get_type(struct radeon_device *rdev)
165{
166 uint32_t tmp;
167
168 rdev->mc.vram_width = 128;
169 rdev->mc.vram_is_ddr = true;
170 tmp = RREG32_MC(RV515_MC_CNTL) & MEM_NUM_CHANNELS_MASK;
171 switch (tmp) {
172 case 0:
173 rdev->mc.vram_width = 64;
174 break;
175 case 1:
176 rdev->mc.vram_width = 128;
177 break;
178 default:
179 rdev->mc.vram_width = 128;
180 break;
181 }
182}
183
184static void rv515_mc_init(struct radeon_device *rdev)
185{
186
187 rv515_vram_get_type(rdev);
188 r100_vram_init_sizes(rdev);
189 radeon_vram_location(rdev, mc: &rdev->mc, base: 0);
190 rdev->mc.gtt_base_align = 0;
191 if (!(rdev->flags & RADEON_IS_AGP))
192 radeon_gtt_location(rdev, mc: &rdev->mc);
193 radeon_update_bandwidth_info(rdev);
194}
195
196uint32_t rv515_mc_rreg(struct radeon_device *rdev, uint32_t reg)
197{
198 unsigned long flags;
199 uint32_t r;
200
201 spin_lock_irqsave(&rdev->mc_idx_lock, flags);
202 WREG32(MC_IND_INDEX, 0x7f0000 | (reg & 0xffff));
203 r = RREG32(MC_IND_DATA);
204 WREG32(MC_IND_INDEX, 0);
205 spin_unlock_irqrestore(lock: &rdev->mc_idx_lock, flags);
206
207 return r;
208}
209
210void rv515_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
211{
212 unsigned long flags;
213
214 spin_lock_irqsave(&rdev->mc_idx_lock, flags);
215 WREG32(MC_IND_INDEX, 0xff0000 | ((reg) & 0xffff));
216 WREG32(MC_IND_DATA, (v));
217 WREG32(MC_IND_INDEX, 0);
218 spin_unlock_irqrestore(lock: &rdev->mc_idx_lock, flags);
219}
220
221#if defined(CONFIG_DEBUG_FS)
222static int rv515_debugfs_pipes_info_show(struct seq_file *m, void *unused)
223{
224 struct radeon_device *rdev = m->private;
225 uint32_t tmp;
226
227 tmp = RREG32(GB_PIPE_SELECT);
228 seq_printf(m, fmt: "GB_PIPE_SELECT 0x%08x\n", tmp);
229 tmp = RREG32(SU_REG_DEST);
230 seq_printf(m, fmt: "SU_REG_DEST 0x%08x\n", tmp);
231 tmp = RREG32(GB_TILE_CONFIG);
232 seq_printf(m, fmt: "GB_TILE_CONFIG 0x%08x\n", tmp);
233 tmp = RREG32(DST_PIPE_CONFIG);
234 seq_printf(m, fmt: "DST_PIPE_CONFIG 0x%08x\n", tmp);
235 return 0;
236}
237
238static int rv515_debugfs_ga_info_show(struct seq_file *m, void *unused)
239{
240 struct radeon_device *rdev = m->private;
241 uint32_t tmp;
242
243 tmp = RREG32(0x2140);
244 seq_printf(m, fmt: "VAP_CNTL_STATUS 0x%08x\n", tmp);
245 radeon_asic_reset(rdev);
246 tmp = RREG32(0x425C);
247 seq_printf(m, fmt: "GA_IDLE 0x%08x\n", tmp);
248 return 0;
249}
250
251DEFINE_SHOW_ATTRIBUTE(rv515_debugfs_pipes_info);
252DEFINE_SHOW_ATTRIBUTE(rv515_debugfs_ga_info);
253#endif
254
255void rv515_debugfs(struct radeon_device *rdev)
256{
257#if defined(CONFIG_DEBUG_FS)
258 struct dentry *root = rdev_to_drm(rdev)->primary->debugfs_root;
259
260 debugfs_create_file("rv515_pipes_info", 0444, root, rdev,
261 &rv515_debugfs_pipes_info_fops);
262 debugfs_create_file("rv515_ga_info", 0444, root, rdev,
263 &rv515_debugfs_ga_info_fops);
264#endif
265 r100_debugfs_rbbm_init(rdev);
266}
267
268void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save)
269{
270 u32 crtc_enabled, tmp, frame_count, blackout;
271 int i, j;
272
273 save->vga_render_control = RREG32(R_000300_VGA_RENDER_CONTROL);
274 save->vga_hdp_control = RREG32(R_000328_VGA_HDP_CONTROL);
275
276 /* disable VGA render */
277 WREG32(R_000300_VGA_RENDER_CONTROL, 0);
278 /* blank the display controllers */
279 for (i = 0; i < rdev->num_crtc; i++) {
280 crtc_enabled = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]) & AVIVO_CRTC_EN;
281 if (crtc_enabled) {
282 save->crtc_enabled[i] = true;
283 tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
284 if (!(tmp & AVIVO_CRTC_DISP_READ_REQUEST_DISABLE)) {
285 radeon_wait_for_vblank(rdev, i);
286 WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
287 tmp |= AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
288 WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
289 WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
290 }
291 /* wait for the next frame */
292 frame_count = radeon_get_vblank_counter(rdev, i);
293 for (j = 0; j < rdev->usec_timeout; j++) {
294 if (radeon_get_vblank_counter(rdev, i) != frame_count)
295 break;
296 udelay(usec: 1);
297 }
298
299 /* XXX this is a hack to avoid strange behavior with EFI on certain systems */
300 WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 1);
301 tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
302 tmp &= ~AVIVO_CRTC_EN;
303 WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
304 WREG32(AVIVO_D1CRTC_UPDATE_LOCK + crtc_offsets[i], 0);
305 save->crtc_enabled[i] = false;
306 /* ***** */
307 } else {
308 save->crtc_enabled[i] = false;
309 }
310 }
311
312 radeon_mc_wait_for_idle(rdev);
313
314 if (rdev->family >= CHIP_R600) {
315 if (rdev->family >= CHIP_RV770)
316 blackout = RREG32(R700_MC_CITF_CNTL);
317 else
318 blackout = RREG32(R600_CITF_CNTL);
319 if ((blackout & R600_BLACKOUT_MASK) != R600_BLACKOUT_MASK) {
320 /* Block CPU access */
321 WREG32(R600_BIF_FB_EN, 0);
322 /* blackout the MC */
323 blackout |= R600_BLACKOUT_MASK;
324 if (rdev->family >= CHIP_RV770)
325 WREG32(R700_MC_CITF_CNTL, blackout);
326 else
327 WREG32(R600_CITF_CNTL, blackout);
328 }
329 }
330 /* wait for the MC to settle */
331 udelay(usec: 100);
332
333 /* lock double buffered regs */
334 for (i = 0; i < rdev->num_crtc; i++) {
335 if (save->crtc_enabled[i]) {
336 tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
337 if (!(tmp & AVIVO_D1GRPH_UPDATE_LOCK)) {
338 tmp |= AVIVO_D1GRPH_UPDATE_LOCK;
339 WREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i], tmp);
340 }
341 tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i]);
342 if (!(tmp & 1)) {
343 tmp |= 1;
344 WREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
345 }
346 }
347 }
348}
349
350void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save)
351{
352 u32 tmp, frame_count;
353 int i, j;
354
355 /* update crtc base addresses */
356 for (i = 0; i < rdev->num_crtc; i++) {
357 if (rdev->family >= CHIP_RV770) {
358 if (i == 0) {
359 WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH,
360 upper_32_bits(rdev->mc.vram_start));
361 WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH,
362 upper_32_bits(rdev->mc.vram_start));
363 } else {
364 WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH,
365 upper_32_bits(rdev->mc.vram_start));
366 WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH,
367 upper_32_bits(rdev->mc.vram_start));
368 }
369 }
370 WREG32(R_006110_D1GRPH_PRIMARY_SURFACE_ADDRESS + crtc_offsets[i],
371 (u32)rdev->mc.vram_start);
372 WREG32(R_006118_D1GRPH_SECONDARY_SURFACE_ADDRESS + crtc_offsets[i],
373 (u32)rdev->mc.vram_start);
374 }
375 WREG32(R_000310_VGA_MEMORY_BASE_ADDRESS, (u32)rdev->mc.vram_start);
376
377 /* unlock regs and wait for update */
378 for (i = 0; i < rdev->num_crtc; i++) {
379 if (save->crtc_enabled[i]) {
380 tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i]);
381 if ((tmp & 0x7) != 3) {
382 tmp &= ~0x7;
383 tmp |= 0x3;
384 WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + crtc_offsets[i], tmp);
385 }
386 tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
387 if (tmp & AVIVO_D1GRPH_UPDATE_LOCK) {
388 tmp &= ~AVIVO_D1GRPH_UPDATE_LOCK;
389 WREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i], tmp);
390 }
391 tmp = RREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i]);
392 if (tmp & 1) {
393 tmp &= ~1;
394 WREG32(AVIVO_D1MODE_MASTER_UPDATE_LOCK + crtc_offsets[i], tmp);
395 }
396 for (j = 0; j < rdev->usec_timeout; j++) {
397 tmp = RREG32(AVIVO_D1GRPH_UPDATE + crtc_offsets[i]);
398 if ((tmp & AVIVO_D1GRPH_SURFACE_UPDATE_PENDING) == 0)
399 break;
400 udelay(usec: 1);
401 }
402 }
403 }
404
405 if (rdev->family >= CHIP_R600) {
406 /* unblackout the MC */
407 if (rdev->family >= CHIP_RV770)
408 tmp = RREG32(R700_MC_CITF_CNTL);
409 else
410 tmp = RREG32(R600_CITF_CNTL);
411 tmp &= ~R600_BLACKOUT_MASK;
412 if (rdev->family >= CHIP_RV770)
413 WREG32(R700_MC_CITF_CNTL, tmp);
414 else
415 WREG32(R600_CITF_CNTL, tmp);
416 /* allow CPU access */
417 WREG32(R600_BIF_FB_EN, R600_FB_READ_EN | R600_FB_WRITE_EN);
418 }
419
420 for (i = 0; i < rdev->num_crtc; i++) {
421 if (save->crtc_enabled[i]) {
422 tmp = RREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i]);
423 tmp &= ~AVIVO_CRTC_DISP_READ_REQUEST_DISABLE;
424 WREG32(AVIVO_D1CRTC_CONTROL + crtc_offsets[i], tmp);
425 /* wait for the next frame */
426 frame_count = radeon_get_vblank_counter(rdev, i);
427 for (j = 0; j < rdev->usec_timeout; j++) {
428 if (radeon_get_vblank_counter(rdev, i) != frame_count)
429 break;
430 udelay(usec: 1);
431 }
432 }
433 }
434 /* Unlock vga access */
435 WREG32(R_000328_VGA_HDP_CONTROL, save->vga_hdp_control);
436 mdelay(1);
437 WREG32(R_000300_VGA_RENDER_CONTROL, save->vga_render_control);
438}
439
440static void rv515_mc_program(struct radeon_device *rdev)
441{
442 struct rv515_mc_save save;
443
444 /* Stops all mc clients */
445 rv515_mc_stop(rdev, save: &save);
446
447 /* Wait for mc idle */
448 if (rv515_mc_wait_for_idle(rdev))
449 dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
450 /* Write VRAM size in case we are limiting it */
451 WREG32(R_0000F8_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
452 /* Program MC, should be a 32bits limited address space */
453 WREG32_MC(R_000001_MC_FB_LOCATION,
454 S_000001_MC_FB_START(rdev->mc.vram_start >> 16) |
455 S_000001_MC_FB_TOP(rdev->mc.vram_end >> 16));
456 WREG32(R_000134_HDP_FB_LOCATION,
457 S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
458 if (rdev->flags & RADEON_IS_AGP) {
459 WREG32_MC(R_000002_MC_AGP_LOCATION,
460 S_000002_MC_AGP_START(rdev->mc.gtt_start >> 16) |
461 S_000002_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
462 WREG32_MC(R_000003_MC_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
463 WREG32_MC(R_000004_MC_AGP_BASE_2,
464 S_000004_AGP_BASE_ADDR_2(upper_32_bits(rdev->mc.agp_base)));
465 } else {
466 WREG32_MC(R_000002_MC_AGP_LOCATION, 0xFFFFFFFF);
467 WREG32_MC(R_000003_MC_AGP_BASE, 0);
468 WREG32_MC(R_000004_MC_AGP_BASE_2, 0);
469 }
470
471 rv515_mc_resume(rdev, save: &save);
472}
473
474void rv515_clock_startup(struct radeon_device *rdev)
475{
476 if (radeon_dynclks != -1 && radeon_dynclks)
477 radeon_atom_set_clock_gating(rdev, enable: 1);
478 /* We need to force on some of the block */
479 WREG32_PLL(R_00000F_CP_DYN_CNTL,
480 RREG32_PLL(R_00000F_CP_DYN_CNTL) | S_00000F_CP_FORCEON(1));
481 WREG32_PLL(R_000011_E2_DYN_CNTL,
482 RREG32_PLL(R_000011_E2_DYN_CNTL) | S_000011_E2_FORCEON(1));
483 WREG32_PLL(R_000013_IDCT_DYN_CNTL,
484 RREG32_PLL(R_000013_IDCT_DYN_CNTL) | S_000013_IDCT_FORCEON(1));
485}
486
487static int rv515_startup(struct radeon_device *rdev)
488{
489 int r;
490
491 rv515_mc_program(rdev);
492 /* Resume clock */
493 rv515_clock_startup(rdev);
494 /* Initialize GPU configuration (# pipes, ...) */
495 rv515_gpu_init(rdev);
496 /* Initialize GART (initialize after TTM so we can allocate
497 * memory through TTM but finalize after TTM) */
498 if (rdev->flags & RADEON_IS_PCIE) {
499 r = rv370_pcie_gart_enable(rdev);
500 if (r)
501 return r;
502 }
503
504 /* allocate wb buffer */
505 r = radeon_wb_init(rdev);
506 if (r)
507 return r;
508
509 r = radeon_fence_driver_start_ring(rdev, RADEON_RING_TYPE_GFX_INDEX);
510 if (r) {
511 dev_err(rdev->dev, "failed initializing CP fences (%d).\n", r);
512 return r;
513 }
514
515 /* Enable IRQ */
516 if (!rdev->irq.installed) {
517 r = radeon_irq_kms_init(rdev);
518 if (r)
519 return r;
520 }
521
522 rs600_irq_set(rdev);
523 rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
524 /* 1M ring buffer */
525 r = r100_cp_init(rdev, ring_size: 1024 * 1024);
526 if (r) {
527 dev_err(rdev->dev, "failed initializing CP (%d).\n", r);
528 return r;
529 }
530
531 r = radeon_ib_pool_init(rdev);
532 if (r) {
533 dev_err(rdev->dev, "IB initialization failed (%d).\n", r);
534 return r;
535 }
536
537 return 0;
538}
539
540int rv515_resume(struct radeon_device *rdev)
541{
542 int r;
543
544 /* Make sur GART are not working */
545 if (rdev->flags & RADEON_IS_PCIE)
546 rv370_pcie_gart_disable(rdev);
547 /* Resume clock before doing reset */
548 rv515_clock_startup(rdev);
549 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
550 if (radeon_asic_reset(rdev)) {
551 dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
552 RREG32(R_000E40_RBBM_STATUS),
553 RREG32(R_0007C0_CP_STAT));
554 }
555 /* post */
556 atom_asic_init(rdev->mode_info.atom_context);
557 /* Resume clock after posting */
558 rv515_clock_startup(rdev);
559 /* Initialize surface registers */
560 radeon_surface_init(rdev);
561
562 rdev->accel_working = true;
563 r = rv515_startup(rdev);
564 if (r) {
565 rdev->accel_working = false;
566 }
567 return r;
568}
569
570int rv515_suspend(struct radeon_device *rdev)
571{
572 radeon_pm_suspend(rdev);
573 r100_cp_disable(rdev);
574 radeon_wb_disable(rdev);
575 rs600_irq_disable(rdev);
576 if (rdev->flags & RADEON_IS_PCIE)
577 rv370_pcie_gart_disable(rdev);
578 return 0;
579}
580
581void rv515_set_safe_registers(struct radeon_device *rdev)
582{
583 rdev->config.r300.reg_safe_bm = rv515_reg_safe_bm;
584 rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rv515_reg_safe_bm);
585}
586
587void rv515_fini(struct radeon_device *rdev)
588{
589 radeon_pm_fini(rdev);
590 r100_cp_fini(rdev);
591 radeon_wb_fini(rdev);
592 radeon_ib_pool_fini(rdev);
593 radeon_gem_fini(rdev);
594 rv370_pcie_gart_fini(rdev);
595 radeon_agp_fini(rdev);
596 radeon_irq_kms_fini(rdev);
597 radeon_fence_driver_fini(rdev);
598 radeon_bo_fini(rdev);
599 radeon_atombios_fini(rdev);
600 kfree(objp: rdev->bios);
601 rdev->bios = NULL;
602}
603
604int rv515_init(struct radeon_device *rdev)
605{
606 int r;
607
608 /* Initialize scratch registers */
609 radeon_scratch_init(rdev);
610 /* Initialize surface registers */
611 radeon_surface_init(rdev);
612 /* TODO: disable VGA need to use VGA request */
613 /* restore some register to sane defaults */
614 r100_restore_sanity(rdev);
615 /* BIOS*/
616 if (!radeon_get_bios(rdev)) {
617 if (ASIC_IS_AVIVO(rdev))
618 return -EINVAL;
619 }
620 if (rdev->is_atom_bios) {
621 r = radeon_atombios_init(rdev);
622 if (r)
623 return r;
624 } else {
625 dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n");
626 return -EINVAL;
627 }
628 /* Reset gpu before posting otherwise ATOM will enter infinite loop */
629 if (radeon_asic_reset(rdev)) {
630 dev_warn(rdev->dev,
631 "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
632 RREG32(R_000E40_RBBM_STATUS),
633 RREG32(R_0007C0_CP_STAT));
634 }
635 /* check if cards are posted or not */
636 if (radeon_boot_test_post_card(rdev) == false)
637 return -EINVAL;
638 /* Initialize clocks */
639 radeon_get_clock_info(dev: rdev_to_drm(rdev));
640 /* initialize AGP */
641 if (rdev->flags & RADEON_IS_AGP) {
642 r = radeon_agp_init(rdev);
643 if (r) {
644 radeon_agp_disable(rdev);
645 }
646 }
647 /* initialize memory controller */
648 rv515_mc_init(rdev);
649 rv515_debugfs(rdev);
650 /* Fence driver */
651 radeon_fence_driver_init(rdev);
652 /* Memory manager */
653 r = radeon_bo_init(rdev);
654 if (r)
655 return r;
656 r = rv370_pcie_gart_init(rdev);
657 if (r)
658 return r;
659 rv515_set_safe_registers(rdev);
660
661 /* Initialize power management */
662 radeon_pm_init(rdev);
663
664 rdev->accel_working = true;
665 r = rv515_startup(rdev);
666 if (r) {
667 /* Somethings want wront with the accel init stop accel */
668 dev_err(rdev->dev, "Disabling GPU acceleration\n");
669 r100_cp_fini(rdev);
670 radeon_wb_fini(rdev);
671 radeon_ib_pool_fini(rdev);
672 radeon_irq_kms_fini(rdev);
673 rv370_pcie_gart_fini(rdev);
674 radeon_agp_fini(rdev);
675 rdev->accel_working = false;
676 }
677 return 0;
678}
679
680void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *crtc)
681{
682 int index_reg = 0x6578 + crtc->crtc_offset;
683 int data_reg = 0x657c + crtc->crtc_offset;
684
685 WREG32(0x659C + crtc->crtc_offset, 0x0);
686 WREG32(0x6594 + crtc->crtc_offset, 0x705);
687 WREG32(0x65A4 + crtc->crtc_offset, 0x10001);
688 WREG32(0x65D8 + crtc->crtc_offset, 0x0);
689 WREG32(0x65B0 + crtc->crtc_offset, 0x0);
690 WREG32(0x65C0 + crtc->crtc_offset, 0x0);
691 WREG32(0x65D4 + crtc->crtc_offset, 0x0);
692 WREG32(index_reg, 0x0);
693 WREG32(data_reg, 0x841880A8);
694 WREG32(index_reg, 0x1);
695 WREG32(data_reg, 0x84208680);
696 WREG32(index_reg, 0x2);
697 WREG32(data_reg, 0xBFF880B0);
698 WREG32(index_reg, 0x100);
699 WREG32(data_reg, 0x83D88088);
700 WREG32(index_reg, 0x101);
701 WREG32(data_reg, 0x84608680);
702 WREG32(index_reg, 0x102);
703 WREG32(data_reg, 0xBFF080D0);
704 WREG32(index_reg, 0x200);
705 WREG32(data_reg, 0x83988068);
706 WREG32(index_reg, 0x201);
707 WREG32(data_reg, 0x84A08680);
708 WREG32(index_reg, 0x202);
709 WREG32(data_reg, 0xBFF080F8);
710 WREG32(index_reg, 0x300);
711 WREG32(data_reg, 0x83588058);
712 WREG32(index_reg, 0x301);
713 WREG32(data_reg, 0x84E08660);
714 WREG32(index_reg, 0x302);
715 WREG32(data_reg, 0xBFF88120);
716 WREG32(index_reg, 0x400);
717 WREG32(data_reg, 0x83188040);
718 WREG32(index_reg, 0x401);
719 WREG32(data_reg, 0x85008660);
720 WREG32(index_reg, 0x402);
721 WREG32(data_reg, 0xBFF88150);
722 WREG32(index_reg, 0x500);
723 WREG32(data_reg, 0x82D88030);
724 WREG32(index_reg, 0x501);
725 WREG32(data_reg, 0x85408640);
726 WREG32(index_reg, 0x502);
727 WREG32(data_reg, 0xBFF88180);
728 WREG32(index_reg, 0x600);
729 WREG32(data_reg, 0x82A08018);
730 WREG32(index_reg, 0x601);
731 WREG32(data_reg, 0x85808620);
732 WREG32(index_reg, 0x602);
733 WREG32(data_reg, 0xBFF081B8);
734 WREG32(index_reg, 0x700);
735 WREG32(data_reg, 0x82608010);
736 WREG32(index_reg, 0x701);
737 WREG32(data_reg, 0x85A08600);
738 WREG32(index_reg, 0x702);
739 WREG32(data_reg, 0x800081F0);
740 WREG32(index_reg, 0x800);
741 WREG32(data_reg, 0x8228BFF8);
742 WREG32(index_reg, 0x801);
743 WREG32(data_reg, 0x85E085E0);
744 WREG32(index_reg, 0x802);
745 WREG32(data_reg, 0xBFF88228);
746 WREG32(index_reg, 0x10000);
747 WREG32(data_reg, 0x82A8BF00);
748 WREG32(index_reg, 0x10001);
749 WREG32(data_reg, 0x82A08CC0);
750 WREG32(index_reg, 0x10002);
751 WREG32(data_reg, 0x8008BEF8);
752 WREG32(index_reg, 0x10100);
753 WREG32(data_reg, 0x81F0BF28);
754 WREG32(index_reg, 0x10101);
755 WREG32(data_reg, 0x83608CA0);
756 WREG32(index_reg, 0x10102);
757 WREG32(data_reg, 0x8018BED0);
758 WREG32(index_reg, 0x10200);
759 WREG32(data_reg, 0x8148BF38);
760 WREG32(index_reg, 0x10201);
761 WREG32(data_reg, 0x84408C80);
762 WREG32(index_reg, 0x10202);
763 WREG32(data_reg, 0x8008BEB8);
764 WREG32(index_reg, 0x10300);
765 WREG32(data_reg, 0x80B0BF78);
766 WREG32(index_reg, 0x10301);
767 WREG32(data_reg, 0x85008C20);
768 WREG32(index_reg, 0x10302);
769 WREG32(data_reg, 0x8020BEA0);
770 WREG32(index_reg, 0x10400);
771 WREG32(data_reg, 0x8028BF90);
772 WREG32(index_reg, 0x10401);
773 WREG32(data_reg, 0x85E08BC0);
774 WREG32(index_reg, 0x10402);
775 WREG32(data_reg, 0x8018BE90);
776 WREG32(index_reg, 0x10500);
777 WREG32(data_reg, 0xBFB8BFB0);
778 WREG32(index_reg, 0x10501);
779 WREG32(data_reg, 0x86C08B40);
780 WREG32(index_reg, 0x10502);
781 WREG32(data_reg, 0x8010BE90);
782 WREG32(index_reg, 0x10600);
783 WREG32(data_reg, 0xBF58BFC8);
784 WREG32(index_reg, 0x10601);
785 WREG32(data_reg, 0x87A08AA0);
786 WREG32(index_reg, 0x10602);
787 WREG32(data_reg, 0x8010BE98);
788 WREG32(index_reg, 0x10700);
789 WREG32(data_reg, 0xBF10BFF0);
790 WREG32(index_reg, 0x10701);
791 WREG32(data_reg, 0x886089E0);
792 WREG32(index_reg, 0x10702);
793 WREG32(data_reg, 0x8018BEB0);
794 WREG32(index_reg, 0x10800);
795 WREG32(data_reg, 0xBED8BFE8);
796 WREG32(index_reg, 0x10801);
797 WREG32(data_reg, 0x89408940);
798 WREG32(index_reg, 0x10802);
799 WREG32(data_reg, 0xBFE8BED8);
800 WREG32(index_reg, 0x20000);
801 WREG32(data_reg, 0x80008000);
802 WREG32(index_reg, 0x20001);
803 WREG32(data_reg, 0x90008000);
804 WREG32(index_reg, 0x20002);
805 WREG32(data_reg, 0x80008000);
806 WREG32(index_reg, 0x20003);
807 WREG32(data_reg, 0x80008000);
808 WREG32(index_reg, 0x20100);
809 WREG32(data_reg, 0x80108000);
810 WREG32(index_reg, 0x20101);
811 WREG32(data_reg, 0x8FE0BF70);
812 WREG32(index_reg, 0x20102);
813 WREG32(data_reg, 0xBFE880C0);
814 WREG32(index_reg, 0x20103);
815 WREG32(data_reg, 0x80008000);
816 WREG32(index_reg, 0x20200);
817 WREG32(data_reg, 0x8018BFF8);
818 WREG32(index_reg, 0x20201);
819 WREG32(data_reg, 0x8F80BF08);
820 WREG32(index_reg, 0x20202);
821 WREG32(data_reg, 0xBFD081A0);
822 WREG32(index_reg, 0x20203);
823 WREG32(data_reg, 0xBFF88000);
824 WREG32(index_reg, 0x20300);
825 WREG32(data_reg, 0x80188000);
826 WREG32(index_reg, 0x20301);
827 WREG32(data_reg, 0x8EE0BEC0);
828 WREG32(index_reg, 0x20302);
829 WREG32(data_reg, 0xBFB082A0);
830 WREG32(index_reg, 0x20303);
831 WREG32(data_reg, 0x80008000);
832 WREG32(index_reg, 0x20400);
833 WREG32(data_reg, 0x80188000);
834 WREG32(index_reg, 0x20401);
835 WREG32(data_reg, 0x8E00BEA0);
836 WREG32(index_reg, 0x20402);
837 WREG32(data_reg, 0xBF8883C0);
838 WREG32(index_reg, 0x20403);
839 WREG32(data_reg, 0x80008000);
840 WREG32(index_reg, 0x20500);
841 WREG32(data_reg, 0x80188000);
842 WREG32(index_reg, 0x20501);
843 WREG32(data_reg, 0x8D00BE90);
844 WREG32(index_reg, 0x20502);
845 WREG32(data_reg, 0xBF588500);
846 WREG32(index_reg, 0x20503);
847 WREG32(data_reg, 0x80008008);
848 WREG32(index_reg, 0x20600);
849 WREG32(data_reg, 0x80188000);
850 WREG32(index_reg, 0x20601);
851 WREG32(data_reg, 0x8BC0BE98);
852 WREG32(index_reg, 0x20602);
853 WREG32(data_reg, 0xBF308660);
854 WREG32(index_reg, 0x20603);
855 WREG32(data_reg, 0x80008008);
856 WREG32(index_reg, 0x20700);
857 WREG32(data_reg, 0x80108000);
858 WREG32(index_reg, 0x20701);
859 WREG32(data_reg, 0x8A80BEB0);
860 WREG32(index_reg, 0x20702);
861 WREG32(data_reg, 0xBF0087C0);
862 WREG32(index_reg, 0x20703);
863 WREG32(data_reg, 0x80008008);
864 WREG32(index_reg, 0x20800);
865 WREG32(data_reg, 0x80108000);
866 WREG32(index_reg, 0x20801);
867 WREG32(data_reg, 0x8920BED0);
868 WREG32(index_reg, 0x20802);
869 WREG32(data_reg, 0xBED08920);
870 WREG32(index_reg, 0x20803);
871 WREG32(data_reg, 0x80008010);
872 WREG32(index_reg, 0x30000);
873 WREG32(data_reg, 0x90008000);
874 WREG32(index_reg, 0x30001);
875 WREG32(data_reg, 0x80008000);
876 WREG32(index_reg, 0x30100);
877 WREG32(data_reg, 0x8FE0BF90);
878 WREG32(index_reg, 0x30101);
879 WREG32(data_reg, 0xBFF880A0);
880 WREG32(index_reg, 0x30200);
881 WREG32(data_reg, 0x8F60BF40);
882 WREG32(index_reg, 0x30201);
883 WREG32(data_reg, 0xBFE88180);
884 WREG32(index_reg, 0x30300);
885 WREG32(data_reg, 0x8EC0BF00);
886 WREG32(index_reg, 0x30301);
887 WREG32(data_reg, 0xBFC88280);
888 WREG32(index_reg, 0x30400);
889 WREG32(data_reg, 0x8DE0BEE0);
890 WREG32(index_reg, 0x30401);
891 WREG32(data_reg, 0xBFA083A0);
892 WREG32(index_reg, 0x30500);
893 WREG32(data_reg, 0x8CE0BED0);
894 WREG32(index_reg, 0x30501);
895 WREG32(data_reg, 0xBF7884E0);
896 WREG32(index_reg, 0x30600);
897 WREG32(data_reg, 0x8BA0BED8);
898 WREG32(index_reg, 0x30601);
899 WREG32(data_reg, 0xBF508640);
900 WREG32(index_reg, 0x30700);
901 WREG32(data_reg, 0x8A60BEE8);
902 WREG32(index_reg, 0x30701);
903 WREG32(data_reg, 0xBF2087A0);
904 WREG32(index_reg, 0x30800);
905 WREG32(data_reg, 0x8900BF00);
906 WREG32(index_reg, 0x30801);
907 WREG32(data_reg, 0xBF008900);
908}
909
910struct rv515_watermark {
911 u32 lb_request_fifo_depth;
912 fixed20_12 num_line_pair;
913 fixed20_12 estimated_width;
914 fixed20_12 worst_case_latency;
915 fixed20_12 consumption_rate;
916 fixed20_12 active_time;
917 fixed20_12 dbpp;
918 fixed20_12 priority_mark_max;
919 fixed20_12 priority_mark;
920 fixed20_12 sclk;
921};
922
923static void rv515_crtc_bandwidth_compute(struct radeon_device *rdev,
924 struct radeon_crtc *crtc,
925 struct rv515_watermark *wm,
926 bool low)
927{
928 struct drm_display_mode *mode = &crtc->base.mode;
929 fixed20_12 a, b, c;
930 fixed20_12 pclk, request_fifo_depth, tolerable_latency, estimated_width;
931 fixed20_12 consumption_time, line_time, chunk_time, read_delay_latency;
932 fixed20_12 sclk;
933 u32 selected_sclk;
934
935 if (!crtc->base.enabled) {
936 /* FIXME: wouldn't it better to set priority mark to maximum */
937 wm->lb_request_fifo_depth = 4;
938 return;
939 }
940
941 /* rv6xx, rv7xx */
942 if ((rdev->family >= CHIP_RV610) &&
943 (rdev->pm.pm_method == PM_METHOD_DPM) && rdev->pm.dpm_enabled)
944 selected_sclk = radeon_dpm_get_sclk(rdev, low);
945 else
946 selected_sclk = rdev->pm.current_sclk;
947
948 /* sclk in Mhz */
949 a.full = dfixed_const(100);
950 sclk.full = dfixed_const(selected_sclk);
951 sclk.full = dfixed_div(A: sclk, B: a);
952
953 if (crtc->vsc.full > dfixed_const(2))
954 wm->num_line_pair.full = dfixed_const(2);
955 else
956 wm->num_line_pair.full = dfixed_const(1);
957
958 b.full = dfixed_const(mode->crtc_hdisplay);
959 c.full = dfixed_const(256);
960 a.full = dfixed_div(A: b, B: c);
961 request_fifo_depth.full = dfixed_mul(a, wm->num_line_pair);
962 request_fifo_depth.full = dfixed_ceil(A: request_fifo_depth);
963 if (a.full < dfixed_const(4)) {
964 wm->lb_request_fifo_depth = 4;
965 } else {
966 wm->lb_request_fifo_depth = dfixed_trunc(request_fifo_depth);
967 }
968
969 /* Determine consumption rate
970 * pclk = pixel clock period(ns) = 1000 / (mode.clock / 1000)
971 * vtaps = number of vertical taps,
972 * vsc = vertical scaling ratio, defined as source/destination
973 * hsc = horizontal scaling ration, defined as source/destination
974 */
975 a.full = dfixed_const(mode->clock);
976 b.full = dfixed_const(1000);
977 a.full = dfixed_div(A: a, B: b);
978 pclk.full = dfixed_div(A: b, B: a);
979 if (crtc->rmx_type != RMX_OFF) {
980 b.full = dfixed_const(2);
981 if (crtc->vsc.full > b.full)
982 b.full = crtc->vsc.full;
983 b.full = dfixed_mul(b, crtc->hsc);
984 c.full = dfixed_const(2);
985 b.full = dfixed_div(A: b, B: c);
986 consumption_time.full = dfixed_div(A: pclk, B: b);
987 } else {
988 consumption_time.full = pclk.full;
989 }
990 a.full = dfixed_const(1);
991 wm->consumption_rate.full = dfixed_div(A: a, B: consumption_time);
992
993
994 /* Determine line time
995 * LineTime = total time for one line of displayhtotal
996 * LineTime = total number of horizontal pixels
997 * pclk = pixel clock period(ns)
998 */
999 a.full = dfixed_const(crtc->base.mode.crtc_htotal);
1000 line_time.full = dfixed_mul(a, pclk);
1001
1002 /* Determine active time
1003 * ActiveTime = time of active region of display within one line,
1004 * hactive = total number of horizontal active pixels
1005 * htotal = total number of horizontal pixels
1006 */
1007 a.full = dfixed_const(crtc->base.mode.crtc_htotal);
1008 b.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
1009 wm->active_time.full = dfixed_mul(line_time, b);
1010 wm->active_time.full = dfixed_div(A: wm->active_time, B: a);
1011
1012 /* Determine chunk time
1013 * ChunkTime = the time it takes the DCP to send one chunk of data
1014 * to the LB which consists of pipeline delay and inter chunk gap
1015 * sclk = system clock(Mhz)
1016 */
1017 a.full = dfixed_const(600 * 1000);
1018 chunk_time.full = dfixed_div(A: a, B: sclk);
1019 read_delay_latency.full = dfixed_const(1000);
1020
1021 /* Determine the worst case latency
1022 * NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines)
1023 * WorstCaseLatency = worst case time from urgent to when the MC starts
1024 * to return data
1025 * READ_DELAY_IDLE_MAX = constant of 1us
1026 * ChunkTime = time it takes the DCP to send one chunk of data to the LB
1027 * which consists of pipeline delay and inter chunk gap
1028 */
1029 if (dfixed_trunc(wm->num_line_pair) > 1) {
1030 a.full = dfixed_const(3);
1031 wm->worst_case_latency.full = dfixed_mul(a, chunk_time);
1032 wm->worst_case_latency.full += read_delay_latency.full;
1033 } else {
1034 wm->worst_case_latency.full = chunk_time.full + read_delay_latency.full;
1035 }
1036
1037 /* Determine the tolerable latency
1038 * TolerableLatency = Any given request has only 1 line time
1039 * for the data to be returned
1040 * LBRequestFifoDepth = Number of chunk requests the LB can
1041 * put into the request FIFO for a display
1042 * LineTime = total time for one line of display
1043 * ChunkTime = the time it takes the DCP to send one chunk
1044 * of data to the LB which consists of
1045 * pipeline delay and inter chunk gap
1046 */
1047 if ((2+wm->lb_request_fifo_depth) >= dfixed_trunc(request_fifo_depth)) {
1048 tolerable_latency.full = line_time.full;
1049 } else {
1050 tolerable_latency.full = dfixed_const(wm->lb_request_fifo_depth - 2);
1051 tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full;
1052 tolerable_latency.full = dfixed_mul(tolerable_latency, chunk_time);
1053 tolerable_latency.full = line_time.full - tolerable_latency.full;
1054 }
1055 /* We assume worst case 32bits (4 bytes) */
1056 wm->dbpp.full = dfixed_const(2 * 16);
1057
1058 /* Determine the maximum priority mark
1059 * width = viewport width in pixels
1060 */
1061 a.full = dfixed_const(16);
1062 wm->priority_mark_max.full = dfixed_const(crtc->base.mode.crtc_hdisplay);
1063 wm->priority_mark_max.full = dfixed_div(A: wm->priority_mark_max, B: a);
1064 wm->priority_mark_max.full = dfixed_ceil(A: wm->priority_mark_max);
1065
1066 /* Determine estimated width */
1067 estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full;
1068 estimated_width.full = dfixed_div(A: estimated_width, B: consumption_time);
1069 if (dfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
1070 wm->priority_mark.full = wm->priority_mark_max.full;
1071 } else {
1072 a.full = dfixed_const(16);
1073 wm->priority_mark.full = dfixed_div(A: estimated_width, B: a);
1074 wm->priority_mark.full = dfixed_ceil(A: wm->priority_mark);
1075 wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full;
1076 }
1077}
1078
1079static void rv515_compute_mode_priority(struct radeon_device *rdev,
1080 struct rv515_watermark *wm0,
1081 struct rv515_watermark *wm1,
1082 struct drm_display_mode *mode0,
1083 struct drm_display_mode *mode1,
1084 u32 *d1mode_priority_a_cnt,
1085 u32 *d2mode_priority_a_cnt)
1086{
1087 fixed20_12 priority_mark02, priority_mark12, fill_rate;
1088 fixed20_12 a, b;
1089
1090 *d1mode_priority_a_cnt = MODE_PRIORITY_OFF;
1091 *d2mode_priority_a_cnt = MODE_PRIORITY_OFF;
1092
1093 if (mode0 && mode1) {
1094 if (dfixed_trunc(wm0->dbpp) > 64)
1095 a.full = dfixed_div(A: wm0->dbpp, B: wm0->num_line_pair);
1096 else
1097 a.full = wm0->num_line_pair.full;
1098 if (dfixed_trunc(wm1->dbpp) > 64)
1099 b.full = dfixed_div(A: wm1->dbpp, B: wm1->num_line_pair);
1100 else
1101 b.full = wm1->num_line_pair.full;
1102 a.full += b.full;
1103 fill_rate.full = dfixed_div(A: wm0->sclk, B: a);
1104 if (wm0->consumption_rate.full > fill_rate.full) {
1105 b.full = wm0->consumption_rate.full - fill_rate.full;
1106 b.full = dfixed_mul(b, wm0->active_time);
1107 a.full = dfixed_const(16);
1108 b.full = dfixed_div(A: b, B: a);
1109 a.full = dfixed_mul(wm0->worst_case_latency,
1110 wm0->consumption_rate);
1111 priority_mark02.full = a.full + b.full;
1112 } else {
1113 a.full = dfixed_mul(wm0->worst_case_latency,
1114 wm0->consumption_rate);
1115 b.full = dfixed_const(16 * 1000);
1116 priority_mark02.full = dfixed_div(A: a, B: b);
1117 }
1118 if (wm1->consumption_rate.full > fill_rate.full) {
1119 b.full = wm1->consumption_rate.full - fill_rate.full;
1120 b.full = dfixed_mul(b, wm1->active_time);
1121 a.full = dfixed_const(16);
1122 b.full = dfixed_div(A: b, B: a);
1123 a.full = dfixed_mul(wm1->worst_case_latency,
1124 wm1->consumption_rate);
1125 priority_mark12.full = a.full + b.full;
1126 } else {
1127 a.full = dfixed_mul(wm1->worst_case_latency,
1128 wm1->consumption_rate);
1129 b.full = dfixed_const(16 * 1000);
1130 priority_mark12.full = dfixed_div(A: a, B: b);
1131 }
1132 if (wm0->priority_mark.full > priority_mark02.full)
1133 priority_mark02.full = wm0->priority_mark.full;
1134 if (wm0->priority_mark_max.full > priority_mark02.full)
1135 priority_mark02.full = wm0->priority_mark_max.full;
1136 if (wm1->priority_mark.full > priority_mark12.full)
1137 priority_mark12.full = wm1->priority_mark.full;
1138 if (wm1->priority_mark_max.full > priority_mark12.full)
1139 priority_mark12.full = wm1->priority_mark_max.full;
1140 *d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
1141 *d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
1142 if (rdev->disp_priority == 2) {
1143 *d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1144 *d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1145 }
1146 } else if (mode0) {
1147 if (dfixed_trunc(wm0->dbpp) > 64)
1148 a.full = dfixed_div(A: wm0->dbpp, B: wm0->num_line_pair);
1149 else
1150 a.full = wm0->num_line_pair.full;
1151 fill_rate.full = dfixed_div(A: wm0->sclk, B: a);
1152 if (wm0->consumption_rate.full > fill_rate.full) {
1153 b.full = wm0->consumption_rate.full - fill_rate.full;
1154 b.full = dfixed_mul(b, wm0->active_time);
1155 a.full = dfixed_const(16);
1156 b.full = dfixed_div(A: b, B: a);
1157 a.full = dfixed_mul(wm0->worst_case_latency,
1158 wm0->consumption_rate);
1159 priority_mark02.full = a.full + b.full;
1160 } else {
1161 a.full = dfixed_mul(wm0->worst_case_latency,
1162 wm0->consumption_rate);
1163 b.full = dfixed_const(16);
1164 priority_mark02.full = dfixed_div(A: a, B: b);
1165 }
1166 if (wm0->priority_mark.full > priority_mark02.full)
1167 priority_mark02.full = wm0->priority_mark.full;
1168 if (wm0->priority_mark_max.full > priority_mark02.full)
1169 priority_mark02.full = wm0->priority_mark_max.full;
1170 *d1mode_priority_a_cnt = dfixed_trunc(priority_mark02);
1171 if (rdev->disp_priority == 2)
1172 *d1mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1173 } else if (mode1) {
1174 if (dfixed_trunc(wm1->dbpp) > 64)
1175 a.full = dfixed_div(A: wm1->dbpp, B: wm1->num_line_pair);
1176 else
1177 a.full = wm1->num_line_pair.full;
1178 fill_rate.full = dfixed_div(A: wm1->sclk, B: a);
1179 if (wm1->consumption_rate.full > fill_rate.full) {
1180 b.full = wm1->consumption_rate.full - fill_rate.full;
1181 b.full = dfixed_mul(b, wm1->active_time);
1182 a.full = dfixed_const(16);
1183 b.full = dfixed_div(A: b, B: a);
1184 a.full = dfixed_mul(wm1->worst_case_latency,
1185 wm1->consumption_rate);
1186 priority_mark12.full = a.full + b.full;
1187 } else {
1188 a.full = dfixed_mul(wm1->worst_case_latency,
1189 wm1->consumption_rate);
1190 b.full = dfixed_const(16 * 1000);
1191 priority_mark12.full = dfixed_div(A: a, B: b);
1192 }
1193 if (wm1->priority_mark.full > priority_mark12.full)
1194 priority_mark12.full = wm1->priority_mark.full;
1195 if (wm1->priority_mark_max.full > priority_mark12.full)
1196 priority_mark12.full = wm1->priority_mark_max.full;
1197 *d2mode_priority_a_cnt = dfixed_trunc(priority_mark12);
1198 if (rdev->disp_priority == 2)
1199 *d2mode_priority_a_cnt |= MODE_PRIORITY_ALWAYS_ON;
1200 }
1201}
1202
1203void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
1204{
1205 struct drm_display_mode *mode0 = NULL;
1206 struct drm_display_mode *mode1 = NULL;
1207 struct rv515_watermark wm0_high, wm0_low;
1208 struct rv515_watermark wm1_high, wm1_low;
1209 u32 tmp;
1210 u32 d1mode_priority_a_cnt, d1mode_priority_b_cnt;
1211 u32 d2mode_priority_a_cnt, d2mode_priority_b_cnt;
1212
1213 if (rdev->mode_info.crtcs[0]->base.enabled)
1214 mode0 = &rdev->mode_info.crtcs[0]->base.mode;
1215 if (rdev->mode_info.crtcs[1]->base.enabled)
1216 mode1 = &rdev->mode_info.crtcs[1]->base.mode;
1217 rs690_line_buffer_adjust(rdev, mode1: mode0, mode2: mode1);
1218
1219 rv515_crtc_bandwidth_compute(rdev, crtc: rdev->mode_info.crtcs[0], wm: &wm0_high, low: false);
1220 rv515_crtc_bandwidth_compute(rdev, crtc: rdev->mode_info.crtcs[1], wm: &wm1_high, low: false);
1221
1222 rv515_crtc_bandwidth_compute(rdev, crtc: rdev->mode_info.crtcs[0], wm: &wm0_low, low: false);
1223 rv515_crtc_bandwidth_compute(rdev, crtc: rdev->mode_info.crtcs[1], wm: &wm1_low, low: false);
1224
1225 tmp = wm0_high.lb_request_fifo_depth;
1226 tmp |= wm1_high.lb_request_fifo_depth << 16;
1227 WREG32(LB_MAX_REQ_OUTSTANDING, tmp);
1228
1229 rv515_compute_mode_priority(rdev,
1230 wm0: &wm0_high, wm1: &wm1_high,
1231 mode0, mode1,
1232 d1mode_priority_a_cnt: &d1mode_priority_a_cnt, d2mode_priority_a_cnt: &d2mode_priority_a_cnt);
1233 rv515_compute_mode_priority(rdev,
1234 wm0: &wm0_low, wm1: &wm1_low,
1235 mode0, mode1,
1236 d1mode_priority_a_cnt: &d1mode_priority_b_cnt, d2mode_priority_a_cnt: &d2mode_priority_b_cnt);
1237
1238 WREG32(D1MODE_PRIORITY_A_CNT, d1mode_priority_a_cnt);
1239 WREG32(D1MODE_PRIORITY_B_CNT, d1mode_priority_b_cnt);
1240 WREG32(D2MODE_PRIORITY_A_CNT, d2mode_priority_a_cnt);
1241 WREG32(D2MODE_PRIORITY_B_CNT, d2mode_priority_b_cnt);
1242}
1243
1244void rv515_bandwidth_update(struct radeon_device *rdev)
1245{
1246 uint32_t tmp;
1247 struct drm_display_mode *mode0 = NULL;
1248 struct drm_display_mode *mode1 = NULL;
1249
1250 if (!rdev->mode_info.mode_config_initialized)
1251 return;
1252
1253 radeon_update_display_priority(rdev);
1254
1255 if (rdev->mode_info.crtcs[0]->base.enabled)
1256 mode0 = &rdev->mode_info.crtcs[0]->base.mode;
1257 if (rdev->mode_info.crtcs[1]->base.enabled)
1258 mode1 = &rdev->mode_info.crtcs[1]->base.mode;
1259 /*
1260 * Set display0/1 priority up in the memory controller for
1261 * modes if the user specifies HIGH for displaypriority
1262 * option.
1263 */
1264 if ((rdev->disp_priority == 2) &&
1265 (rdev->family == CHIP_RV515)) {
1266 tmp = RREG32_MC(MC_MISC_LAT_TIMER);
1267 tmp &= ~MC_DISP1R_INIT_LAT_MASK;
1268 tmp &= ~MC_DISP0R_INIT_LAT_MASK;
1269 if (mode1)
1270 tmp |= (1 << MC_DISP1R_INIT_LAT_SHIFT);
1271 if (mode0)
1272 tmp |= (1 << MC_DISP0R_INIT_LAT_SHIFT);
1273 WREG32_MC(MC_MISC_LAT_TIMER, tmp);
1274 }
1275 rv515_bandwidth_avivo_update(rdev);
1276}
1277

source code of linux/drivers/gpu/drm/radeon/rv515.c