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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 <linux/seq_file.h> | |
29 | #include "drmP.h" | |
30 | #include "drm.h" | |
31 | #include "radeon_drm.h" | |
32 | #include "radeon_microcode.h" | |
33 | #include "radeon_reg.h" | |
34 | #include "radeon.h" | |
35 | ||
36 | /* This files gather functions specifics to: | |
37 | * r100,rv100,rs100,rv200,rs200,r200,rv250,rs300,rv280 | |
38 | * | |
39 | * Some of these functions might be used by newer ASICs. | |
40 | */ | |
41 | void r100_hdp_reset(struct radeon_device *rdev); | |
42 | void r100_gpu_init(struct radeon_device *rdev); | |
43 | int r100_gui_wait_for_idle(struct radeon_device *rdev); | |
44 | int r100_mc_wait_for_idle(struct radeon_device *rdev); | |
45 | void r100_gpu_wait_for_vsync(struct radeon_device *rdev); | |
46 | void r100_gpu_wait_for_vsync2(struct radeon_device *rdev); | |
47 | int r100_debugfs_mc_info_init(struct radeon_device *rdev); | |
48 | ||
49 | ||
50 | /* | |
51 | * PCI GART | |
52 | */ | |
53 | void r100_pci_gart_tlb_flush(struct radeon_device *rdev) | |
54 | { | |
55 | /* TODO: can we do somethings here ? */ | |
56 | /* It seems hw only cache one entry so we should discard this | |
57 | * entry otherwise if first GPU GART read hit this entry it | |
58 | * could end up in wrong address. */ | |
59 | } | |
60 | ||
61 | int r100_pci_gart_enable(struct radeon_device *rdev) | |
62 | { | |
63 | uint32_t tmp; | |
64 | int r; | |
65 | ||
66 | /* Initialize common gart structure */ | |
67 | r = radeon_gart_init(rdev); | |
68 | if (r) { | |
69 | return r; | |
70 | } | |
71 | if (rdev->gart.table.ram.ptr == NULL) { | |
72 | rdev->gart.table_size = rdev->gart.num_gpu_pages * 4; | |
73 | r = radeon_gart_table_ram_alloc(rdev); | |
74 | if (r) { | |
75 | return r; | |
76 | } | |
77 | } | |
78 | /* discard memory request outside of configured range */ | |
79 | tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS; | |
80 | WREG32(RADEON_AIC_CNTL, tmp); | |
81 | /* set address range for PCI address translate */ | |
82 | WREG32(RADEON_AIC_LO_ADDR, rdev->mc.gtt_location); | |
83 | tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1; | |
84 | WREG32(RADEON_AIC_HI_ADDR, tmp); | |
85 | /* Enable bus mastering */ | |
86 | tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS; | |
87 | WREG32(RADEON_BUS_CNTL, tmp); | |
88 | /* set PCI GART page-table base address */ | |
89 | WREG32(RADEON_AIC_PT_BASE, rdev->gart.table_addr); | |
90 | tmp = RREG32(RADEON_AIC_CNTL) | RADEON_PCIGART_TRANSLATE_EN; | |
91 | WREG32(RADEON_AIC_CNTL, tmp); | |
92 | r100_pci_gart_tlb_flush(rdev); | |
93 | rdev->gart.ready = true; | |
94 | return 0; | |
95 | } | |
96 | ||
97 | void r100_pci_gart_disable(struct radeon_device *rdev) | |
98 | { | |
99 | uint32_t tmp; | |
100 | ||
101 | /* discard memory request outside of configured range */ | |
102 | tmp = RREG32(RADEON_AIC_CNTL) | RADEON_DIS_OUT_OF_PCI_GART_ACCESS; | |
103 | WREG32(RADEON_AIC_CNTL, tmp & ~RADEON_PCIGART_TRANSLATE_EN); | |
104 | WREG32(RADEON_AIC_LO_ADDR, 0); | |
105 | WREG32(RADEON_AIC_HI_ADDR, 0); | |
106 | } | |
107 | ||
108 | int r100_pci_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr) | |
109 | { | |
110 | if (i < 0 || i > rdev->gart.num_gpu_pages) { | |
111 | return -EINVAL; | |
112 | } | |
ed10f95d | 113 | rdev->gart.table.ram.ptr[i] = cpu_to_le32(lower_32_bits(addr)); |
771fe6b9 JG |
114 | return 0; |
115 | } | |
116 | ||
117 | int r100_gart_enable(struct radeon_device *rdev) | |
118 | { | |
119 | if (rdev->flags & RADEON_IS_AGP) { | |
120 | r100_pci_gart_disable(rdev); | |
121 | return 0; | |
122 | } | |
123 | return r100_pci_gart_enable(rdev); | |
124 | } | |
125 | ||
126 | ||
127 | /* | |
128 | * MC | |
129 | */ | |
130 | void r100_mc_disable_clients(struct radeon_device *rdev) | |
131 | { | |
132 | uint32_t ov0_scale_cntl, crtc_ext_cntl, crtc_gen_cntl, crtc2_gen_cntl; | |
133 | ||
134 | /* FIXME: is this function correct for rs100,rs200,rs300 ? */ | |
135 | if (r100_gui_wait_for_idle(rdev)) { | |
136 | printk(KERN_WARNING "Failed to wait GUI idle while " | |
137 | "programming pipes. Bad things might happen.\n"); | |
138 | } | |
139 | ||
140 | /* stop display and memory access */ | |
141 | ov0_scale_cntl = RREG32(RADEON_OV0_SCALE_CNTL); | |
142 | WREG32(RADEON_OV0_SCALE_CNTL, ov0_scale_cntl & ~RADEON_SCALER_ENABLE); | |
143 | crtc_ext_cntl = RREG32(RADEON_CRTC_EXT_CNTL); | |
144 | WREG32(RADEON_CRTC_EXT_CNTL, crtc_ext_cntl | RADEON_CRTC_DISPLAY_DIS); | |
145 | crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL); | |
146 | ||
147 | r100_gpu_wait_for_vsync(rdev); | |
148 | ||
149 | WREG32(RADEON_CRTC_GEN_CNTL, | |
150 | (crtc_gen_cntl & ~(RADEON_CRTC_CUR_EN | RADEON_CRTC_ICON_EN)) | | |
151 | RADEON_CRTC_DISP_REQ_EN_B | RADEON_CRTC_EXT_DISP_EN); | |
152 | ||
153 | if (!(rdev->flags & RADEON_SINGLE_CRTC)) { | |
154 | crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL); | |
155 | ||
156 | r100_gpu_wait_for_vsync2(rdev); | |
157 | WREG32(RADEON_CRTC2_GEN_CNTL, | |
158 | (crtc2_gen_cntl & | |
159 | ~(RADEON_CRTC2_CUR_EN | RADEON_CRTC2_ICON_EN)) | | |
160 | RADEON_CRTC2_DISP_REQ_EN_B); | |
161 | } | |
162 | ||
163 | udelay(500); | |
164 | } | |
165 | ||
166 | void r100_mc_setup(struct radeon_device *rdev) | |
167 | { | |
168 | uint32_t tmp; | |
169 | int r; | |
170 | ||
171 | r = r100_debugfs_mc_info_init(rdev); | |
172 | if (r) { | |
173 | DRM_ERROR("Failed to register debugfs file for R100 MC !\n"); | |
174 | } | |
175 | /* Write VRAM size in case we are limiting it */ | |
7a50f01a DA |
176 | WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size); |
177 | /* Novell bug 204882 for RN50/M6/M7 with 8/16/32MB VRAM, | |
178 | * if the aperture is 64MB but we have 32MB VRAM | |
179 | * we report only 32MB VRAM but we have to set MC_FB_LOCATION | |
180 | * to 64MB, otherwise the gpu accidentially dies */ | |
181 | tmp = rdev->mc.vram_location + rdev->mc.mc_vram_size - 1; | |
771fe6b9 JG |
182 | tmp = REG_SET(RADEON_MC_FB_TOP, tmp >> 16); |
183 | tmp |= REG_SET(RADEON_MC_FB_START, rdev->mc.vram_location >> 16); | |
184 | WREG32(RADEON_MC_FB_LOCATION, tmp); | |
185 | ||
186 | /* Enable bus mastering */ | |
187 | tmp = RREG32(RADEON_BUS_CNTL) & ~RADEON_BUS_MASTER_DIS; | |
188 | WREG32(RADEON_BUS_CNTL, tmp); | |
189 | ||
190 | if (rdev->flags & RADEON_IS_AGP) { | |
191 | tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 1; | |
192 | tmp = REG_SET(RADEON_MC_AGP_TOP, tmp >> 16); | |
193 | tmp |= REG_SET(RADEON_MC_AGP_START, rdev->mc.gtt_location >> 16); | |
194 | WREG32(RADEON_MC_AGP_LOCATION, tmp); | |
195 | WREG32(RADEON_AGP_BASE, rdev->mc.agp_base); | |
196 | } else { | |
197 | WREG32(RADEON_MC_AGP_LOCATION, 0x0FFFFFFF); | |
198 | WREG32(RADEON_AGP_BASE, 0); | |
199 | } | |
200 | ||
201 | tmp = RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL; | |
202 | tmp |= (7 << 28); | |
203 | WREG32(RADEON_HOST_PATH_CNTL, tmp | RADEON_HDP_SOFT_RESET | RADEON_HDP_READ_BUFFER_INVALIDATE); | |
204 | (void)RREG32(RADEON_HOST_PATH_CNTL); | |
205 | WREG32(RADEON_HOST_PATH_CNTL, tmp); | |
206 | (void)RREG32(RADEON_HOST_PATH_CNTL); | |
207 | } | |
208 | ||
209 | int r100_mc_init(struct radeon_device *rdev) | |
210 | { | |
211 | int r; | |
212 | ||
213 | if (r100_debugfs_rbbm_init(rdev)) { | |
214 | DRM_ERROR("Failed to register debugfs file for RBBM !\n"); | |
215 | } | |
216 | ||
217 | r100_gpu_init(rdev); | |
218 | /* Disable gart which also disable out of gart access */ | |
219 | r100_pci_gart_disable(rdev); | |
220 | ||
221 | /* Setup GPU memory space */ | |
771fe6b9 JG |
222 | rdev->mc.gtt_location = 0xFFFFFFFFUL; |
223 | if (rdev->flags & RADEON_IS_AGP) { | |
224 | r = radeon_agp_init(rdev); | |
225 | if (r) { | |
226 | printk(KERN_WARNING "[drm] Disabling AGP\n"); | |
227 | rdev->flags &= ~RADEON_IS_AGP; | |
228 | rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024; | |
229 | } else { | |
230 | rdev->mc.gtt_location = rdev->mc.agp_base; | |
231 | } | |
232 | } | |
233 | r = radeon_mc_setup(rdev); | |
234 | if (r) { | |
235 | return r; | |
236 | } | |
237 | ||
238 | r100_mc_disable_clients(rdev); | |
239 | if (r100_mc_wait_for_idle(rdev)) { | |
240 | printk(KERN_WARNING "Failed to wait MC idle while " | |
241 | "programming pipes. Bad things might happen.\n"); | |
242 | } | |
243 | ||
244 | r100_mc_setup(rdev); | |
245 | return 0; | |
246 | } | |
247 | ||
248 | void r100_mc_fini(struct radeon_device *rdev) | |
249 | { | |
250 | r100_pci_gart_disable(rdev); | |
251 | radeon_gart_table_ram_free(rdev); | |
252 | radeon_gart_fini(rdev); | |
253 | } | |
254 | ||
255 | ||
7ed220d7 MD |
256 | /* |
257 | * Interrupts | |
258 | */ | |
259 | int r100_irq_set(struct radeon_device *rdev) | |
260 | { | |
261 | uint32_t tmp = 0; | |
262 | ||
263 | if (rdev->irq.sw_int) { | |
264 | tmp |= RADEON_SW_INT_ENABLE; | |
265 | } | |
266 | if (rdev->irq.crtc_vblank_int[0]) { | |
267 | tmp |= RADEON_CRTC_VBLANK_MASK; | |
268 | } | |
269 | if (rdev->irq.crtc_vblank_int[1]) { | |
270 | tmp |= RADEON_CRTC2_VBLANK_MASK; | |
271 | } | |
272 | WREG32(RADEON_GEN_INT_CNTL, tmp); | |
273 | return 0; | |
274 | } | |
275 | ||
276 | static inline uint32_t r100_irq_ack(struct radeon_device *rdev) | |
277 | { | |
278 | uint32_t irqs = RREG32(RADEON_GEN_INT_STATUS); | |
279 | uint32_t irq_mask = RADEON_SW_INT_TEST | RADEON_CRTC_VBLANK_STAT | | |
280 | RADEON_CRTC2_VBLANK_STAT; | |
281 | ||
282 | if (irqs) { | |
283 | WREG32(RADEON_GEN_INT_STATUS, irqs); | |
284 | } | |
285 | return irqs & irq_mask; | |
286 | } | |
287 | ||
288 | int r100_irq_process(struct radeon_device *rdev) | |
289 | { | |
290 | uint32_t status; | |
291 | ||
292 | status = r100_irq_ack(rdev); | |
293 | if (!status) { | |
294 | return IRQ_NONE; | |
295 | } | |
296 | while (status) { | |
297 | /* SW interrupt */ | |
298 | if (status & RADEON_SW_INT_TEST) { | |
299 | radeon_fence_process(rdev); | |
300 | } | |
301 | /* Vertical blank interrupts */ | |
302 | if (status & RADEON_CRTC_VBLANK_STAT) { | |
303 | drm_handle_vblank(rdev->ddev, 0); | |
304 | } | |
305 | if (status & RADEON_CRTC2_VBLANK_STAT) { | |
306 | drm_handle_vblank(rdev->ddev, 1); | |
307 | } | |
308 | status = r100_irq_ack(rdev); | |
309 | } | |
310 | return IRQ_HANDLED; | |
311 | } | |
312 | ||
313 | u32 r100_get_vblank_counter(struct radeon_device *rdev, int crtc) | |
314 | { | |
315 | if (crtc == 0) | |
316 | return RREG32(RADEON_CRTC_CRNT_FRAME); | |
317 | else | |
318 | return RREG32(RADEON_CRTC2_CRNT_FRAME); | |
319 | } | |
320 | ||
321 | ||
771fe6b9 JG |
322 | /* |
323 | * Fence emission | |
324 | */ | |
325 | void r100_fence_ring_emit(struct radeon_device *rdev, | |
326 | struct radeon_fence *fence) | |
327 | { | |
328 | /* Who ever call radeon_fence_emit should call ring_lock and ask | |
329 | * for enough space (today caller are ib schedule and buffer move) */ | |
330 | /* Wait until IDLE & CLEAN */ | |
331 | radeon_ring_write(rdev, PACKET0(0x1720, 0)); | |
332 | radeon_ring_write(rdev, (1 << 16) | (1 << 17)); | |
333 | /* Emit fence sequence & fire IRQ */ | |
334 | radeon_ring_write(rdev, PACKET0(rdev->fence_drv.scratch_reg, 0)); | |
335 | radeon_ring_write(rdev, fence->seq); | |
336 | radeon_ring_write(rdev, PACKET0(RADEON_GEN_INT_STATUS, 0)); | |
337 | radeon_ring_write(rdev, RADEON_SW_INT_FIRE); | |
338 | } | |
339 | ||
340 | ||
341 | /* | |
342 | * Writeback | |
343 | */ | |
344 | int r100_wb_init(struct radeon_device *rdev) | |
345 | { | |
346 | int r; | |
347 | ||
348 | if (rdev->wb.wb_obj == NULL) { | |
349 | r = radeon_object_create(rdev, NULL, 4096, | |
350 | true, | |
351 | RADEON_GEM_DOMAIN_GTT, | |
352 | false, &rdev->wb.wb_obj); | |
353 | if (r) { | |
354 | DRM_ERROR("radeon: failed to create WB buffer (%d).\n", r); | |
355 | return r; | |
356 | } | |
357 | r = radeon_object_pin(rdev->wb.wb_obj, | |
358 | RADEON_GEM_DOMAIN_GTT, | |
359 | &rdev->wb.gpu_addr); | |
360 | if (r) { | |
361 | DRM_ERROR("radeon: failed to pin WB buffer (%d).\n", r); | |
362 | return r; | |
363 | } | |
364 | r = radeon_object_kmap(rdev->wb.wb_obj, (void **)&rdev->wb.wb); | |
365 | if (r) { | |
366 | DRM_ERROR("radeon: failed to map WB buffer (%d).\n", r); | |
367 | return r; | |
368 | } | |
369 | } | |
370 | WREG32(0x774, rdev->wb.gpu_addr); | |
371 | WREG32(0x70C, rdev->wb.gpu_addr + 1024); | |
372 | WREG32(0x770, 0xff); | |
373 | return 0; | |
374 | } | |
375 | ||
376 | void r100_wb_fini(struct radeon_device *rdev) | |
377 | { | |
378 | if (rdev->wb.wb_obj) { | |
379 | radeon_object_kunmap(rdev->wb.wb_obj); | |
380 | radeon_object_unpin(rdev->wb.wb_obj); | |
381 | radeon_object_unref(&rdev->wb.wb_obj); | |
382 | rdev->wb.wb = NULL; | |
383 | rdev->wb.wb_obj = NULL; | |
384 | } | |
385 | } | |
386 | ||
387 | int r100_copy_blit(struct radeon_device *rdev, | |
388 | uint64_t src_offset, | |
389 | uint64_t dst_offset, | |
390 | unsigned num_pages, | |
391 | struct radeon_fence *fence) | |
392 | { | |
393 | uint32_t cur_pages; | |
394 | uint32_t stride_bytes = PAGE_SIZE; | |
395 | uint32_t pitch; | |
396 | uint32_t stride_pixels; | |
397 | unsigned ndw; | |
398 | int num_loops; | |
399 | int r = 0; | |
400 | ||
401 | /* radeon limited to 16k stride */ | |
402 | stride_bytes &= 0x3fff; | |
403 | /* radeon pitch is /64 */ | |
404 | pitch = stride_bytes / 64; | |
405 | stride_pixels = stride_bytes / 4; | |
406 | num_loops = DIV_ROUND_UP(num_pages, 8191); | |
407 | ||
408 | /* Ask for enough room for blit + flush + fence */ | |
409 | ndw = 64 + (10 * num_loops); | |
410 | r = radeon_ring_lock(rdev, ndw); | |
411 | if (r) { | |
412 | DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw); | |
413 | return -EINVAL; | |
414 | } | |
415 | while (num_pages > 0) { | |
416 | cur_pages = num_pages; | |
417 | if (cur_pages > 8191) { | |
418 | cur_pages = 8191; | |
419 | } | |
420 | num_pages -= cur_pages; | |
421 | ||
422 | /* pages are in Y direction - height | |
423 | page width in X direction - width */ | |
424 | radeon_ring_write(rdev, PACKET3(PACKET3_BITBLT_MULTI, 8)); | |
425 | radeon_ring_write(rdev, | |
426 | RADEON_GMC_SRC_PITCH_OFFSET_CNTL | | |
427 | RADEON_GMC_DST_PITCH_OFFSET_CNTL | | |
428 | RADEON_GMC_SRC_CLIPPING | | |
429 | RADEON_GMC_DST_CLIPPING | | |
430 | RADEON_GMC_BRUSH_NONE | | |
431 | (RADEON_COLOR_FORMAT_ARGB8888 << 8) | | |
432 | RADEON_GMC_SRC_DATATYPE_COLOR | | |
433 | RADEON_ROP3_S | | |
434 | RADEON_DP_SRC_SOURCE_MEMORY | | |
435 | RADEON_GMC_CLR_CMP_CNTL_DIS | | |
436 | RADEON_GMC_WR_MSK_DIS); | |
437 | radeon_ring_write(rdev, (pitch << 22) | (src_offset >> 10)); | |
438 | radeon_ring_write(rdev, (pitch << 22) | (dst_offset >> 10)); | |
439 | radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16)); | |
440 | radeon_ring_write(rdev, 0); | |
441 | radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16)); | |
442 | radeon_ring_write(rdev, num_pages); | |
443 | radeon_ring_write(rdev, num_pages); | |
444 | radeon_ring_write(rdev, cur_pages | (stride_pixels << 16)); | |
445 | } | |
446 | radeon_ring_write(rdev, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0)); | |
447 | radeon_ring_write(rdev, RADEON_RB2D_DC_FLUSH_ALL); | |
448 | radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0)); | |
449 | radeon_ring_write(rdev, | |
450 | RADEON_WAIT_2D_IDLECLEAN | | |
451 | RADEON_WAIT_HOST_IDLECLEAN | | |
452 | RADEON_WAIT_DMA_GUI_IDLE); | |
453 | if (fence) { | |
454 | r = radeon_fence_emit(rdev, fence); | |
455 | } | |
456 | radeon_ring_unlock_commit(rdev); | |
457 | return r; | |
458 | } | |
459 | ||
460 | ||
461 | /* | |
462 | * CP | |
463 | */ | |
464 | void r100_ring_start(struct radeon_device *rdev) | |
465 | { | |
466 | int r; | |
467 | ||
468 | r = radeon_ring_lock(rdev, 2); | |
469 | if (r) { | |
470 | return; | |
471 | } | |
472 | radeon_ring_write(rdev, PACKET0(RADEON_ISYNC_CNTL, 0)); | |
473 | radeon_ring_write(rdev, | |
474 | RADEON_ISYNC_ANY2D_IDLE3D | | |
475 | RADEON_ISYNC_ANY3D_IDLE2D | | |
476 | RADEON_ISYNC_WAIT_IDLEGUI | | |
477 | RADEON_ISYNC_CPSCRATCH_IDLEGUI); | |
478 | radeon_ring_unlock_commit(rdev); | |
479 | } | |
480 | ||
481 | static void r100_cp_load_microcode(struct radeon_device *rdev) | |
482 | { | |
483 | int i; | |
484 | ||
485 | if (r100_gui_wait_for_idle(rdev)) { | |
486 | printk(KERN_WARNING "Failed to wait GUI idle while " | |
487 | "programming pipes. Bad things might happen.\n"); | |
488 | } | |
489 | ||
490 | WREG32(RADEON_CP_ME_RAM_ADDR, 0); | |
491 | if ((rdev->family == CHIP_R100) || (rdev->family == CHIP_RV100) || | |
492 | (rdev->family == CHIP_RV200) || (rdev->family == CHIP_RS100) || | |
493 | (rdev->family == CHIP_RS200)) { | |
494 | DRM_INFO("Loading R100 Microcode\n"); | |
495 | for (i = 0; i < 256; i++) { | |
496 | WREG32(RADEON_CP_ME_RAM_DATAH, R100_cp_microcode[i][1]); | |
497 | WREG32(RADEON_CP_ME_RAM_DATAL, R100_cp_microcode[i][0]); | |
498 | } | |
499 | } else if ((rdev->family == CHIP_R200) || | |
500 | (rdev->family == CHIP_RV250) || | |
501 | (rdev->family == CHIP_RV280) || | |
502 | (rdev->family == CHIP_RS300)) { | |
503 | DRM_INFO("Loading R200 Microcode\n"); | |
504 | for (i = 0; i < 256; i++) { | |
505 | WREG32(RADEON_CP_ME_RAM_DATAH, R200_cp_microcode[i][1]); | |
506 | WREG32(RADEON_CP_ME_RAM_DATAL, R200_cp_microcode[i][0]); | |
507 | } | |
508 | } else if ((rdev->family == CHIP_R300) || | |
509 | (rdev->family == CHIP_R350) || | |
510 | (rdev->family == CHIP_RV350) || | |
511 | (rdev->family == CHIP_RV380) || | |
512 | (rdev->family == CHIP_RS400) || | |
513 | (rdev->family == CHIP_RS480)) { | |
514 | DRM_INFO("Loading R300 Microcode\n"); | |
515 | for (i = 0; i < 256; i++) { | |
516 | WREG32(RADEON_CP_ME_RAM_DATAH, R300_cp_microcode[i][1]); | |
517 | WREG32(RADEON_CP_ME_RAM_DATAL, R300_cp_microcode[i][0]); | |
518 | } | |
519 | } else if ((rdev->family == CHIP_R420) || | |
520 | (rdev->family == CHIP_R423) || | |
521 | (rdev->family == CHIP_RV410)) { | |
522 | DRM_INFO("Loading R400 Microcode\n"); | |
523 | for (i = 0; i < 256; i++) { | |
524 | WREG32(RADEON_CP_ME_RAM_DATAH, R420_cp_microcode[i][1]); | |
525 | WREG32(RADEON_CP_ME_RAM_DATAL, R420_cp_microcode[i][0]); | |
526 | } | |
527 | } else if ((rdev->family == CHIP_RS690) || | |
528 | (rdev->family == CHIP_RS740)) { | |
529 | DRM_INFO("Loading RS690/RS740 Microcode\n"); | |
530 | for (i = 0; i < 256; i++) { | |
531 | WREG32(RADEON_CP_ME_RAM_DATAH, RS690_cp_microcode[i][1]); | |
532 | WREG32(RADEON_CP_ME_RAM_DATAL, RS690_cp_microcode[i][0]); | |
533 | } | |
534 | } else if (rdev->family == CHIP_RS600) { | |
535 | DRM_INFO("Loading RS600 Microcode\n"); | |
536 | for (i = 0; i < 256; i++) { | |
537 | WREG32(RADEON_CP_ME_RAM_DATAH, RS600_cp_microcode[i][1]); | |
538 | WREG32(RADEON_CP_ME_RAM_DATAL, RS600_cp_microcode[i][0]); | |
539 | } | |
540 | } else if ((rdev->family == CHIP_RV515) || | |
541 | (rdev->family == CHIP_R520) || | |
542 | (rdev->family == CHIP_RV530) || | |
543 | (rdev->family == CHIP_R580) || | |
544 | (rdev->family == CHIP_RV560) || | |
545 | (rdev->family == CHIP_RV570)) { | |
546 | DRM_INFO("Loading R500 Microcode\n"); | |
547 | for (i = 0; i < 256; i++) { | |
548 | WREG32(RADEON_CP_ME_RAM_DATAH, R520_cp_microcode[i][1]); | |
549 | WREG32(RADEON_CP_ME_RAM_DATAL, R520_cp_microcode[i][0]); | |
550 | } | |
551 | } | |
552 | } | |
553 | ||
554 | int r100_cp_init(struct radeon_device *rdev, unsigned ring_size) | |
555 | { | |
556 | unsigned rb_bufsz; | |
557 | unsigned rb_blksz; | |
558 | unsigned max_fetch; | |
559 | unsigned pre_write_timer; | |
560 | unsigned pre_write_limit; | |
561 | unsigned indirect2_start; | |
562 | unsigned indirect1_start; | |
563 | uint32_t tmp; | |
564 | int r; | |
565 | ||
566 | if (r100_debugfs_cp_init(rdev)) { | |
567 | DRM_ERROR("Failed to register debugfs file for CP !\n"); | |
568 | } | |
569 | /* Reset CP */ | |
570 | tmp = RREG32(RADEON_CP_CSQ_STAT); | |
571 | if ((tmp & (1 << 31))) { | |
572 | DRM_INFO("radeon: cp busy (0x%08X) resetting\n", tmp); | |
573 | WREG32(RADEON_CP_CSQ_MODE, 0); | |
574 | WREG32(RADEON_CP_CSQ_CNTL, 0); | |
575 | WREG32(RADEON_RBBM_SOFT_RESET, RADEON_SOFT_RESET_CP); | |
576 | tmp = RREG32(RADEON_RBBM_SOFT_RESET); | |
577 | mdelay(2); | |
578 | WREG32(RADEON_RBBM_SOFT_RESET, 0); | |
579 | tmp = RREG32(RADEON_RBBM_SOFT_RESET); | |
580 | mdelay(2); | |
581 | tmp = RREG32(RADEON_CP_CSQ_STAT); | |
582 | if ((tmp & (1 << 31))) { | |
583 | DRM_INFO("radeon: cp reset failed (0x%08X)\n", tmp); | |
584 | } | |
585 | } else { | |
586 | DRM_INFO("radeon: cp idle (0x%08X)\n", tmp); | |
587 | } | |
588 | /* Align ring size */ | |
589 | rb_bufsz = drm_order(ring_size / 8); | |
590 | ring_size = (1 << (rb_bufsz + 1)) * 4; | |
591 | r100_cp_load_microcode(rdev); | |
592 | r = radeon_ring_init(rdev, ring_size); | |
593 | if (r) { | |
594 | return r; | |
595 | } | |
596 | /* Each time the cp read 1024 bytes (16 dword/quadword) update | |
597 | * the rptr copy in system ram */ | |
598 | rb_blksz = 9; | |
599 | /* cp will read 128bytes at a time (4 dwords) */ | |
600 | max_fetch = 1; | |
601 | rdev->cp.align_mask = 16 - 1; | |
602 | /* Write to CP_RB_WPTR will be delayed for pre_write_timer clocks */ | |
603 | pre_write_timer = 64; | |
604 | /* Force CP_RB_WPTR write if written more than one time before the | |
605 | * delay expire | |
606 | */ | |
607 | pre_write_limit = 0; | |
608 | /* Setup the cp cache like this (cache size is 96 dwords) : | |
609 | * RING 0 to 15 | |
610 | * INDIRECT1 16 to 79 | |
611 | * INDIRECT2 80 to 95 | |
612 | * So ring cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords)) | |
613 | * indirect1 cache size is 64dwords (> (2 * max_fetch = 2 * 4dwords)) | |
614 | * indirect2 cache size is 16dwords (> (2 * max_fetch = 2 * 4dwords)) | |
615 | * Idea being that most of the gpu cmd will be through indirect1 buffer | |
616 | * so it gets the bigger cache. | |
617 | */ | |
618 | indirect2_start = 80; | |
619 | indirect1_start = 16; | |
620 | /* cp setup */ | |
621 | WREG32(0x718, pre_write_timer | (pre_write_limit << 28)); | |
622 | WREG32(RADEON_CP_RB_CNTL, | |
4e484e7d MD |
623 | #ifdef __BIG_ENDIAN |
624 | RADEON_BUF_SWAP_32BIT | | |
625 | #endif | |
771fe6b9 JG |
626 | REG_SET(RADEON_RB_BUFSZ, rb_bufsz) | |
627 | REG_SET(RADEON_RB_BLKSZ, rb_blksz) | | |
628 | REG_SET(RADEON_MAX_FETCH, max_fetch) | | |
629 | RADEON_RB_NO_UPDATE); | |
630 | /* Set ring address */ | |
631 | DRM_INFO("radeon: ring at 0x%016lX\n", (unsigned long)rdev->cp.gpu_addr); | |
632 | WREG32(RADEON_CP_RB_BASE, rdev->cp.gpu_addr); | |
633 | /* Force read & write ptr to 0 */ | |
634 | tmp = RREG32(RADEON_CP_RB_CNTL); | |
635 | WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA); | |
636 | WREG32(RADEON_CP_RB_RPTR_WR, 0); | |
637 | WREG32(RADEON_CP_RB_WPTR, 0); | |
638 | WREG32(RADEON_CP_RB_CNTL, tmp); | |
639 | udelay(10); | |
640 | rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR); | |
641 | rdev->cp.wptr = RREG32(RADEON_CP_RB_WPTR); | |
642 | /* Set cp mode to bus mastering & enable cp*/ | |
643 | WREG32(RADEON_CP_CSQ_MODE, | |
644 | REG_SET(RADEON_INDIRECT2_START, indirect2_start) | | |
645 | REG_SET(RADEON_INDIRECT1_START, indirect1_start)); | |
646 | WREG32(0x718, 0); | |
647 | WREG32(0x744, 0x00004D4D); | |
648 | WREG32(RADEON_CP_CSQ_CNTL, RADEON_CSQ_PRIBM_INDBM); | |
649 | radeon_ring_start(rdev); | |
650 | r = radeon_ring_test(rdev); | |
651 | if (r) { | |
652 | DRM_ERROR("radeon: cp isn't working (%d).\n", r); | |
653 | return r; | |
654 | } | |
655 | rdev->cp.ready = true; | |
656 | return 0; | |
657 | } | |
658 | ||
659 | void r100_cp_fini(struct radeon_device *rdev) | |
660 | { | |
661 | /* Disable ring */ | |
662 | rdev->cp.ready = false; | |
663 | WREG32(RADEON_CP_CSQ_CNTL, 0); | |
664 | radeon_ring_fini(rdev); | |
665 | DRM_INFO("radeon: cp finalized\n"); | |
666 | } | |
667 | ||
668 | void r100_cp_disable(struct radeon_device *rdev) | |
669 | { | |
670 | /* Disable ring */ | |
671 | rdev->cp.ready = false; | |
672 | WREG32(RADEON_CP_CSQ_MODE, 0); | |
673 | WREG32(RADEON_CP_CSQ_CNTL, 0); | |
674 | if (r100_gui_wait_for_idle(rdev)) { | |
675 | printk(KERN_WARNING "Failed to wait GUI idle while " | |
676 | "programming pipes. Bad things might happen.\n"); | |
677 | } | |
678 | } | |
679 | ||
680 | int r100_cp_reset(struct radeon_device *rdev) | |
681 | { | |
682 | uint32_t tmp; | |
683 | bool reinit_cp; | |
684 | int i; | |
685 | ||
686 | reinit_cp = rdev->cp.ready; | |
687 | rdev->cp.ready = false; | |
688 | WREG32(RADEON_CP_CSQ_MODE, 0); | |
689 | WREG32(RADEON_CP_CSQ_CNTL, 0); | |
690 | WREG32(RADEON_RBBM_SOFT_RESET, RADEON_SOFT_RESET_CP); | |
691 | (void)RREG32(RADEON_RBBM_SOFT_RESET); | |
692 | udelay(200); | |
693 | WREG32(RADEON_RBBM_SOFT_RESET, 0); | |
694 | /* Wait to prevent race in RBBM_STATUS */ | |
695 | mdelay(1); | |
696 | for (i = 0; i < rdev->usec_timeout; i++) { | |
697 | tmp = RREG32(RADEON_RBBM_STATUS); | |
698 | if (!(tmp & (1 << 16))) { | |
699 | DRM_INFO("CP reset succeed (RBBM_STATUS=0x%08X)\n", | |
700 | tmp); | |
701 | if (reinit_cp) { | |
702 | return r100_cp_init(rdev, rdev->cp.ring_size); | |
703 | } | |
704 | return 0; | |
705 | } | |
706 | DRM_UDELAY(1); | |
707 | } | |
708 | tmp = RREG32(RADEON_RBBM_STATUS); | |
709 | DRM_ERROR("Failed to reset CP (RBBM_STATUS=0x%08X)!\n", tmp); | |
710 | return -1; | |
711 | } | |
712 | ||
713 | ||
714 | /* | |
715 | * CS functions | |
716 | */ | |
717 | int r100_cs_parse_packet0(struct radeon_cs_parser *p, | |
718 | struct radeon_cs_packet *pkt, | |
068a117c | 719 | const unsigned *auth, unsigned n, |
771fe6b9 JG |
720 | radeon_packet0_check_t check) |
721 | { | |
722 | unsigned reg; | |
723 | unsigned i, j, m; | |
724 | unsigned idx; | |
725 | int r; | |
726 | ||
727 | idx = pkt->idx + 1; | |
728 | reg = pkt->reg; | |
068a117c JG |
729 | /* Check that register fall into register range |
730 | * determined by the number of entry (n) in the | |
731 | * safe register bitmap. | |
732 | */ | |
771fe6b9 JG |
733 | if (pkt->one_reg_wr) { |
734 | if ((reg >> 7) > n) { | |
735 | return -EINVAL; | |
736 | } | |
737 | } else { | |
738 | if (((reg + (pkt->count << 2)) >> 7) > n) { | |
739 | return -EINVAL; | |
740 | } | |
741 | } | |
742 | for (i = 0; i <= pkt->count; i++, idx++) { | |
743 | j = (reg >> 7); | |
744 | m = 1 << ((reg >> 2) & 31); | |
745 | if (auth[j] & m) { | |
746 | r = check(p, pkt, idx, reg); | |
747 | if (r) { | |
748 | return r; | |
749 | } | |
750 | } | |
751 | if (pkt->one_reg_wr) { | |
752 | if (!(auth[j] & m)) { | |
753 | break; | |
754 | } | |
755 | } else { | |
756 | reg += 4; | |
757 | } | |
758 | } | |
759 | return 0; | |
760 | } | |
761 | ||
771fe6b9 JG |
762 | void r100_cs_dump_packet(struct radeon_cs_parser *p, |
763 | struct radeon_cs_packet *pkt) | |
764 | { | |
765 | struct radeon_cs_chunk *ib_chunk; | |
766 | volatile uint32_t *ib; | |
767 | unsigned i; | |
768 | unsigned idx; | |
769 | ||
770 | ib = p->ib->ptr; | |
771 | ib_chunk = &p->chunks[p->chunk_ib_idx]; | |
772 | idx = pkt->idx; | |
773 | for (i = 0; i <= (pkt->count + 1); i++, idx++) { | |
774 | DRM_INFO("ib[%d]=0x%08X\n", idx, ib[idx]); | |
775 | } | |
776 | } | |
777 | ||
778 | /** | |
779 | * r100_cs_packet_parse() - parse cp packet and point ib index to next packet | |
780 | * @parser: parser structure holding parsing context. | |
781 | * @pkt: where to store packet informations | |
782 | * | |
783 | * Assume that chunk_ib_index is properly set. Will return -EINVAL | |
784 | * if packet is bigger than remaining ib size. or if packets is unknown. | |
785 | **/ | |
786 | int r100_cs_packet_parse(struct radeon_cs_parser *p, | |
787 | struct radeon_cs_packet *pkt, | |
788 | unsigned idx) | |
789 | { | |
790 | struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx]; | |
fa99239c | 791 | uint32_t header; |
771fe6b9 JG |
792 | |
793 | if (idx >= ib_chunk->length_dw) { | |
794 | DRM_ERROR("Can not parse packet at %d after CS end %d !\n", | |
795 | idx, ib_chunk->length_dw); | |
796 | return -EINVAL; | |
797 | } | |
fa99239c | 798 | header = ib_chunk->kdata[idx]; |
771fe6b9 JG |
799 | pkt->idx = idx; |
800 | pkt->type = CP_PACKET_GET_TYPE(header); | |
801 | pkt->count = CP_PACKET_GET_COUNT(header); | |
802 | switch (pkt->type) { | |
803 | case PACKET_TYPE0: | |
804 | pkt->reg = CP_PACKET0_GET_REG(header); | |
805 | pkt->one_reg_wr = CP_PACKET0_GET_ONE_REG_WR(header); | |
806 | break; | |
807 | case PACKET_TYPE3: | |
808 | pkt->opcode = CP_PACKET3_GET_OPCODE(header); | |
809 | break; | |
810 | case PACKET_TYPE2: | |
811 | pkt->count = -1; | |
812 | break; | |
813 | default: | |
814 | DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx); | |
815 | return -EINVAL; | |
816 | } | |
817 | if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) { | |
818 | DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n", | |
819 | pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw); | |
820 | return -EINVAL; | |
821 | } | |
822 | return 0; | |
823 | } | |
824 | ||
531369e6 DA |
825 | /** |
826 | * r100_cs_packet_next_vline() - parse userspace VLINE packet | |
827 | * @parser: parser structure holding parsing context. | |
828 | * | |
829 | * Userspace sends a special sequence for VLINE waits. | |
830 | * PACKET0 - VLINE_START_END + value | |
831 | * PACKET0 - WAIT_UNTIL +_value | |
832 | * RELOC (P3) - crtc_id in reloc. | |
833 | * | |
834 | * This function parses this and relocates the VLINE START END | |
835 | * and WAIT UNTIL packets to the correct crtc. | |
836 | * It also detects a switched off crtc and nulls out the | |
837 | * wait in that case. | |
838 | */ | |
839 | int r100_cs_packet_parse_vline(struct radeon_cs_parser *p) | |
840 | { | |
841 | struct radeon_cs_chunk *ib_chunk; | |
842 | struct drm_mode_object *obj; | |
843 | struct drm_crtc *crtc; | |
844 | struct radeon_crtc *radeon_crtc; | |
845 | struct radeon_cs_packet p3reloc, waitreloc; | |
846 | int crtc_id; | |
847 | int r; | |
848 | uint32_t header, h_idx, reg; | |
849 | ||
850 | ib_chunk = &p->chunks[p->chunk_ib_idx]; | |
851 | ||
852 | /* parse the wait until */ | |
853 | r = r100_cs_packet_parse(p, &waitreloc, p->idx); | |
854 | if (r) | |
855 | return r; | |
856 | ||
857 | /* check its a wait until and only 1 count */ | |
858 | if (waitreloc.reg != RADEON_WAIT_UNTIL || | |
859 | waitreloc.count != 0) { | |
860 | DRM_ERROR("vline wait had illegal wait until segment\n"); | |
861 | r = -EINVAL; | |
862 | return r; | |
863 | } | |
864 | ||
865 | if (ib_chunk->kdata[waitreloc.idx + 1] != RADEON_WAIT_CRTC_VLINE) { | |
866 | DRM_ERROR("vline wait had illegal wait until\n"); | |
867 | r = -EINVAL; | |
868 | return r; | |
869 | } | |
870 | ||
871 | /* jump over the NOP */ | |
872 | r = r100_cs_packet_parse(p, &p3reloc, p->idx); | |
873 | if (r) | |
874 | return r; | |
875 | ||
876 | h_idx = p->idx - 2; | |
877 | p->idx += waitreloc.count; | |
878 | p->idx += p3reloc.count; | |
879 | ||
880 | header = ib_chunk->kdata[h_idx]; | |
881 | crtc_id = ib_chunk->kdata[h_idx + 5]; | |
882 | reg = ib_chunk->kdata[h_idx] >> 2; | |
883 | mutex_lock(&p->rdev->ddev->mode_config.mutex); | |
884 | obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC); | |
885 | if (!obj) { | |
886 | DRM_ERROR("cannot find crtc %d\n", crtc_id); | |
887 | r = -EINVAL; | |
888 | goto out; | |
889 | } | |
890 | crtc = obj_to_crtc(obj); | |
891 | radeon_crtc = to_radeon_crtc(crtc); | |
892 | crtc_id = radeon_crtc->crtc_id; | |
893 | ||
894 | if (!crtc->enabled) { | |
895 | /* if the CRTC isn't enabled - we need to nop out the wait until */ | |
896 | ib_chunk->kdata[h_idx + 2] = PACKET2(0); | |
897 | ib_chunk->kdata[h_idx + 3] = PACKET2(0); | |
898 | } else if (crtc_id == 1) { | |
899 | switch (reg) { | |
900 | case AVIVO_D1MODE_VLINE_START_END: | |
901 | header &= R300_CP_PACKET0_REG_MASK; | |
902 | header |= AVIVO_D2MODE_VLINE_START_END >> 2; | |
903 | break; | |
904 | case RADEON_CRTC_GUI_TRIG_VLINE: | |
905 | header &= R300_CP_PACKET0_REG_MASK; | |
906 | header |= RADEON_CRTC2_GUI_TRIG_VLINE >> 2; | |
907 | break; | |
908 | default: | |
909 | DRM_ERROR("unknown crtc reloc\n"); | |
910 | r = -EINVAL; | |
911 | goto out; | |
912 | } | |
913 | ib_chunk->kdata[h_idx] = header; | |
914 | ib_chunk->kdata[h_idx + 3] |= RADEON_ENG_DISPLAY_SELECT_CRTC1; | |
915 | } | |
916 | out: | |
917 | mutex_unlock(&p->rdev->ddev->mode_config.mutex); | |
918 | return r; | |
919 | } | |
920 | ||
771fe6b9 JG |
921 | /** |
922 | * r100_cs_packet_next_reloc() - parse next packet which should be reloc packet3 | |
923 | * @parser: parser structure holding parsing context. | |
924 | * @data: pointer to relocation data | |
925 | * @offset_start: starting offset | |
926 | * @offset_mask: offset mask (to align start offset on) | |
927 | * @reloc: reloc informations | |
928 | * | |
929 | * Check next packet is relocation packet3, do bo validation and compute | |
930 | * GPU offset using the provided start. | |
931 | **/ | |
932 | int r100_cs_packet_next_reloc(struct radeon_cs_parser *p, | |
933 | struct radeon_cs_reloc **cs_reloc) | |
934 | { | |
935 | struct radeon_cs_chunk *ib_chunk; | |
936 | struct radeon_cs_chunk *relocs_chunk; | |
937 | struct radeon_cs_packet p3reloc; | |
938 | unsigned idx; | |
939 | int r; | |
940 | ||
941 | if (p->chunk_relocs_idx == -1) { | |
942 | DRM_ERROR("No relocation chunk !\n"); | |
943 | return -EINVAL; | |
944 | } | |
945 | *cs_reloc = NULL; | |
946 | ib_chunk = &p->chunks[p->chunk_ib_idx]; | |
947 | relocs_chunk = &p->chunks[p->chunk_relocs_idx]; | |
948 | r = r100_cs_packet_parse(p, &p3reloc, p->idx); | |
949 | if (r) { | |
950 | return r; | |
951 | } | |
952 | p->idx += p3reloc.count + 2; | |
953 | if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) { | |
954 | DRM_ERROR("No packet3 for relocation for packet at %d.\n", | |
955 | p3reloc.idx); | |
956 | r100_cs_dump_packet(p, &p3reloc); | |
957 | return -EINVAL; | |
958 | } | |
959 | idx = ib_chunk->kdata[p3reloc.idx + 1]; | |
960 | if (idx >= relocs_chunk->length_dw) { | |
961 | DRM_ERROR("Relocs at %d after relocations chunk end %d !\n", | |
962 | idx, relocs_chunk->length_dw); | |
963 | r100_cs_dump_packet(p, &p3reloc); | |
964 | return -EINVAL; | |
965 | } | |
966 | /* FIXME: we assume reloc size is 4 dwords */ | |
967 | *cs_reloc = p->relocs_ptr[(idx / 4)]; | |
968 | return 0; | |
969 | } | |
970 | ||
971 | static int r100_packet0_check(struct radeon_cs_parser *p, | |
972 | struct radeon_cs_packet *pkt) | |
973 | { | |
974 | struct radeon_cs_chunk *ib_chunk; | |
975 | struct radeon_cs_reloc *reloc; | |
976 | volatile uint32_t *ib; | |
977 | uint32_t tmp; | |
978 | unsigned reg; | |
979 | unsigned i; | |
980 | unsigned idx; | |
981 | bool onereg; | |
982 | int r; | |
e024e110 | 983 | u32 tile_flags = 0; |
771fe6b9 JG |
984 | |
985 | ib = p->ib->ptr; | |
986 | ib_chunk = &p->chunks[p->chunk_ib_idx]; | |
987 | idx = pkt->idx + 1; | |
988 | reg = pkt->reg; | |
989 | onereg = false; | |
990 | if (CP_PACKET0_GET_ONE_REG_WR(ib_chunk->kdata[pkt->idx])) { | |
991 | onereg = true; | |
992 | } | |
993 | for (i = 0; i <= pkt->count; i++, idx++, reg += 4) { | |
994 | switch (reg) { | |
531369e6 DA |
995 | case RADEON_CRTC_GUI_TRIG_VLINE: |
996 | r = r100_cs_packet_parse_vline(p); | |
997 | if (r) { | |
998 | DRM_ERROR("No reloc for ib[%d]=0x%04X\n", | |
999 | idx, reg); | |
1000 | r100_cs_dump_packet(p, pkt); | |
1001 | return r; | |
1002 | } | |
1003 | break; | |
771fe6b9 JG |
1004 | /* FIXME: only allow PACKET3 blit? easier to check for out of |
1005 | * range access */ | |
1006 | case RADEON_DST_PITCH_OFFSET: | |
1007 | case RADEON_SRC_PITCH_OFFSET: | |
1008 | r = r100_cs_packet_next_reloc(p, &reloc); | |
1009 | if (r) { | |
1010 | DRM_ERROR("No reloc for ib[%d]=0x%04X\n", | |
1011 | idx, reg); | |
1012 | r100_cs_dump_packet(p, pkt); | |
1013 | return r; | |
1014 | } | |
1015 | tmp = ib_chunk->kdata[idx] & 0x003fffff; | |
1016 | tmp += (((u32)reloc->lobj.gpu_offset) >> 10); | |
e024e110 DA |
1017 | |
1018 | if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) | |
1019 | tile_flags |= RADEON_DST_TILE_MACRO; | |
1020 | if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) { | |
1021 | if (reg == RADEON_SRC_PITCH_OFFSET) { | |
1022 | DRM_ERROR("Cannot src blit from microtiled surface\n"); | |
1023 | r100_cs_dump_packet(p, pkt); | |
1024 | return -EINVAL; | |
1025 | } | |
1026 | tile_flags |= RADEON_DST_TILE_MICRO; | |
1027 | } | |
1028 | ||
1029 | tmp |= tile_flags; | |
1030 | ib[idx] = (ib_chunk->kdata[idx] & 0x3fc00000) | tmp; | |
771fe6b9 JG |
1031 | break; |
1032 | case RADEON_RB3D_DEPTHOFFSET: | |
1033 | case RADEON_RB3D_COLOROFFSET: | |
1034 | case R300_RB3D_COLOROFFSET0: | |
1035 | case R300_ZB_DEPTHOFFSET: | |
1036 | case R200_PP_TXOFFSET_0: | |
1037 | case R200_PP_TXOFFSET_1: | |
1038 | case R200_PP_TXOFFSET_2: | |
1039 | case R200_PP_TXOFFSET_3: | |
1040 | case R200_PP_TXOFFSET_4: | |
1041 | case R200_PP_TXOFFSET_5: | |
1042 | case RADEON_PP_TXOFFSET_0: | |
1043 | case RADEON_PP_TXOFFSET_1: | |
1044 | case RADEON_PP_TXOFFSET_2: | |
1045 | case R300_TX_OFFSET_0: | |
1046 | case R300_TX_OFFSET_0+4: | |
1047 | case R300_TX_OFFSET_0+8: | |
1048 | case R300_TX_OFFSET_0+12: | |
1049 | case R300_TX_OFFSET_0+16: | |
1050 | case R300_TX_OFFSET_0+20: | |
1051 | case R300_TX_OFFSET_0+24: | |
1052 | case R300_TX_OFFSET_0+28: | |
1053 | case R300_TX_OFFSET_0+32: | |
1054 | case R300_TX_OFFSET_0+36: | |
1055 | case R300_TX_OFFSET_0+40: | |
1056 | case R300_TX_OFFSET_0+44: | |
1057 | case R300_TX_OFFSET_0+48: | |
1058 | case R300_TX_OFFSET_0+52: | |
1059 | case R300_TX_OFFSET_0+56: | |
1060 | case R300_TX_OFFSET_0+60: | |
b995e433 DA |
1061 | /* rn50 has no 3D engine so fail on any 3d setup */ |
1062 | if (ASIC_IS_RN50(p->rdev)) { | |
1063 | DRM_ERROR("attempt to use RN50 3D engine failed\n"); | |
1064 | return -EINVAL; | |
1065 | } | |
771fe6b9 JG |
1066 | r = r100_cs_packet_next_reloc(p, &reloc); |
1067 | if (r) { | |
1068 | DRM_ERROR("No reloc for ib[%d]=0x%04X\n", | |
1069 | idx, reg); | |
1070 | r100_cs_dump_packet(p, pkt); | |
1071 | return r; | |
1072 | } | |
1073 | ib[idx] = ib_chunk->kdata[idx] + ((u32)reloc->lobj.gpu_offset); | |
1074 | break; | |
e024e110 DA |
1075 | case R300_RB3D_COLORPITCH0: |
1076 | case RADEON_RB3D_COLORPITCH: | |
1077 | r = r100_cs_packet_next_reloc(p, &reloc); | |
1078 | if (r) { | |
1079 | DRM_ERROR("No reloc for ib[%d]=0x%04X\n", | |
1080 | idx, reg); | |
1081 | r100_cs_dump_packet(p, pkt); | |
1082 | return r; | |
1083 | } | |
1084 | ||
1085 | if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO) | |
1086 | tile_flags |= RADEON_COLOR_TILE_ENABLE; | |
1087 | if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO) | |
1088 | tile_flags |= RADEON_COLOR_MICROTILE_ENABLE; | |
1089 | ||
1090 | tmp = ib_chunk->kdata[idx] & ~(0x7 << 16); | |
1091 | tmp |= tile_flags; | |
1092 | ib[idx] = tmp; | |
1093 | break; | |
17782d99 DA |
1094 | case RADEON_RB3D_ZPASS_ADDR: |
1095 | r = r100_cs_packet_next_reloc(p, &reloc); | |
1096 | if (r) { | |
1097 | DRM_ERROR("No reloc for ib[%d]=0x%04X\n", | |
1098 | idx, reg); | |
1099 | r100_cs_dump_packet(p, pkt); | |
1100 | return r; | |
1101 | } | |
1102 | ib[idx] = ib_chunk->kdata[idx] + ((u32)reloc->lobj.gpu_offset); | |
1103 | break; | |
771fe6b9 JG |
1104 | default: |
1105 | /* FIXME: we don't want to allow anyothers packet */ | |
1106 | break; | |
1107 | } | |
1108 | if (onereg) { | |
1109 | /* FIXME: forbid onereg write to register on relocate */ | |
1110 | break; | |
1111 | } | |
1112 | } | |
1113 | return 0; | |
1114 | } | |
1115 | ||
068a117c JG |
1116 | int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p, |
1117 | struct radeon_cs_packet *pkt, | |
1118 | struct radeon_object *robj) | |
1119 | { | |
1120 | struct radeon_cs_chunk *ib_chunk; | |
1121 | unsigned idx; | |
1122 | ||
1123 | ib_chunk = &p->chunks[p->chunk_ib_idx]; | |
1124 | idx = pkt->idx + 1; | |
1125 | if ((ib_chunk->kdata[idx+2] + 1) > radeon_object_size(robj)) { | |
1126 | DRM_ERROR("[drm] Buffer too small for PACKET3 INDX_BUFFER " | |
1127 | "(need %u have %lu) !\n", | |
1128 | ib_chunk->kdata[idx+2] + 1, | |
1129 | radeon_object_size(robj)); | |
1130 | return -EINVAL; | |
1131 | } | |
1132 | return 0; | |
1133 | } | |
1134 | ||
771fe6b9 JG |
1135 | static int r100_packet3_check(struct radeon_cs_parser *p, |
1136 | struct radeon_cs_packet *pkt) | |
1137 | { | |
1138 | struct radeon_cs_chunk *ib_chunk; | |
1139 | struct radeon_cs_reloc *reloc; | |
1140 | unsigned idx; | |
1141 | unsigned i, c; | |
1142 | volatile uint32_t *ib; | |
1143 | int r; | |
1144 | ||
1145 | ib = p->ib->ptr; | |
1146 | ib_chunk = &p->chunks[p->chunk_ib_idx]; | |
1147 | idx = pkt->idx + 1; | |
1148 | switch (pkt->opcode) { | |
1149 | case PACKET3_3D_LOAD_VBPNTR: | |
1150 | c = ib_chunk->kdata[idx++]; | |
1151 | for (i = 0; i < (c - 1); i += 2, idx += 3) { | |
1152 | r = r100_cs_packet_next_reloc(p, &reloc); | |
1153 | if (r) { | |
1154 | DRM_ERROR("No reloc for packet3 %d\n", | |
1155 | pkt->opcode); | |
1156 | r100_cs_dump_packet(p, pkt); | |
1157 | return r; | |
1158 | } | |
1159 | ib[idx+1] = ib_chunk->kdata[idx+1] + ((u32)reloc->lobj.gpu_offset); | |
1160 | r = r100_cs_packet_next_reloc(p, &reloc); | |
1161 | if (r) { | |
1162 | DRM_ERROR("No reloc for packet3 %d\n", | |
1163 | pkt->opcode); | |
1164 | r100_cs_dump_packet(p, pkt); | |
1165 | return r; | |
1166 | } | |
1167 | ib[idx+2] = ib_chunk->kdata[idx+2] + ((u32)reloc->lobj.gpu_offset); | |
1168 | } | |
1169 | if (c & 1) { | |
1170 | r = r100_cs_packet_next_reloc(p, &reloc); | |
1171 | if (r) { | |
1172 | DRM_ERROR("No reloc for packet3 %d\n", | |
1173 | pkt->opcode); | |
1174 | r100_cs_dump_packet(p, pkt); | |
1175 | return r; | |
1176 | } | |
1177 | ib[idx+1] = ib_chunk->kdata[idx+1] + ((u32)reloc->lobj.gpu_offset); | |
1178 | } | |
1179 | break; | |
1180 | case PACKET3_INDX_BUFFER: | |
1181 | r = r100_cs_packet_next_reloc(p, &reloc); | |
1182 | if (r) { | |
1183 | DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode); | |
1184 | r100_cs_dump_packet(p, pkt); | |
1185 | return r; | |
1186 | } | |
1187 | ib[idx+1] = ib_chunk->kdata[idx+1] + ((u32)reloc->lobj.gpu_offset); | |
068a117c JG |
1188 | r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj); |
1189 | if (r) { | |
1190 | return r; | |
1191 | } | |
771fe6b9 JG |
1192 | break; |
1193 | case 0x23: | |
1194 | /* FIXME: cleanup */ | |
1195 | /* 3D_RNDR_GEN_INDX_PRIM on r100/r200 */ | |
1196 | r = r100_cs_packet_next_reloc(p, &reloc); | |
1197 | if (r) { | |
1198 | DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode); | |
1199 | r100_cs_dump_packet(p, pkt); | |
1200 | return r; | |
1201 | } | |
1202 | ib[idx] = ib_chunk->kdata[idx] + ((u32)reloc->lobj.gpu_offset); | |
1203 | break; | |
1204 | case PACKET3_3D_DRAW_IMMD: | |
1205 | /* triggers drawing using in-packet vertex data */ | |
1206 | case PACKET3_3D_DRAW_IMMD_2: | |
1207 | /* triggers drawing using in-packet vertex data */ | |
1208 | case PACKET3_3D_DRAW_VBUF_2: | |
1209 | /* triggers drawing of vertex buffers setup elsewhere */ | |
1210 | case PACKET3_3D_DRAW_INDX_2: | |
1211 | /* triggers drawing using indices to vertex buffer */ | |
1212 | case PACKET3_3D_DRAW_VBUF: | |
1213 | /* triggers drawing of vertex buffers setup elsewhere */ | |
1214 | case PACKET3_3D_DRAW_INDX: | |
1215 | /* triggers drawing using indices to vertex buffer */ | |
1216 | case PACKET3_NOP: | |
1217 | break; | |
1218 | default: | |
1219 | DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode); | |
1220 | return -EINVAL; | |
1221 | } | |
1222 | return 0; | |
1223 | } | |
1224 | ||
1225 | int r100_cs_parse(struct radeon_cs_parser *p) | |
1226 | { | |
1227 | struct radeon_cs_packet pkt; | |
1228 | int r; | |
1229 | ||
1230 | do { | |
1231 | r = r100_cs_packet_parse(p, &pkt, p->idx); | |
1232 | if (r) { | |
1233 | return r; | |
1234 | } | |
1235 | p->idx += pkt.count + 2; | |
1236 | switch (pkt.type) { | |
068a117c JG |
1237 | case PACKET_TYPE0: |
1238 | r = r100_packet0_check(p, &pkt); | |
1239 | break; | |
1240 | case PACKET_TYPE2: | |
1241 | break; | |
1242 | case PACKET_TYPE3: | |
1243 | r = r100_packet3_check(p, &pkt); | |
1244 | break; | |
1245 | default: | |
1246 | DRM_ERROR("Unknown packet type %d !\n", | |
1247 | pkt.type); | |
1248 | return -EINVAL; | |
771fe6b9 JG |
1249 | } |
1250 | if (r) { | |
1251 | return r; | |
1252 | } | |
1253 | } while (p->idx < p->chunks[p->chunk_ib_idx].length_dw); | |
1254 | return 0; | |
1255 | } | |
1256 | ||
1257 | ||
1258 | /* | |
1259 | * Global GPU functions | |
1260 | */ | |
1261 | void r100_errata(struct radeon_device *rdev) | |
1262 | { | |
1263 | rdev->pll_errata = 0; | |
1264 | ||
1265 | if (rdev->family == CHIP_RV200 || rdev->family == CHIP_RS200) { | |
1266 | rdev->pll_errata |= CHIP_ERRATA_PLL_DUMMYREADS; | |
1267 | } | |
1268 | ||
1269 | if (rdev->family == CHIP_RV100 || | |
1270 | rdev->family == CHIP_RS100 || | |
1271 | rdev->family == CHIP_RS200) { | |
1272 | rdev->pll_errata |= CHIP_ERRATA_PLL_DELAY; | |
1273 | } | |
1274 | } | |
1275 | ||
1276 | /* Wait for vertical sync on primary CRTC */ | |
1277 | void r100_gpu_wait_for_vsync(struct radeon_device *rdev) | |
1278 | { | |
1279 | uint32_t crtc_gen_cntl, tmp; | |
1280 | int i; | |
1281 | ||
1282 | crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL); | |
1283 | if ((crtc_gen_cntl & RADEON_CRTC_DISP_REQ_EN_B) || | |
1284 | !(crtc_gen_cntl & RADEON_CRTC_EN)) { | |
1285 | return; | |
1286 | } | |
1287 | /* Clear the CRTC_VBLANK_SAVE bit */ | |
1288 | WREG32(RADEON_CRTC_STATUS, RADEON_CRTC_VBLANK_SAVE_CLEAR); | |
1289 | for (i = 0; i < rdev->usec_timeout; i++) { | |
1290 | tmp = RREG32(RADEON_CRTC_STATUS); | |
1291 | if (tmp & RADEON_CRTC_VBLANK_SAVE) { | |
1292 | return; | |
1293 | } | |
1294 | DRM_UDELAY(1); | |
1295 | } | |
1296 | } | |
1297 | ||
1298 | /* Wait for vertical sync on secondary CRTC */ | |
1299 | void r100_gpu_wait_for_vsync2(struct radeon_device *rdev) | |
1300 | { | |
1301 | uint32_t crtc2_gen_cntl, tmp; | |
1302 | int i; | |
1303 | ||
1304 | crtc2_gen_cntl = RREG32(RADEON_CRTC2_GEN_CNTL); | |
1305 | if ((crtc2_gen_cntl & RADEON_CRTC2_DISP_REQ_EN_B) || | |
1306 | !(crtc2_gen_cntl & RADEON_CRTC2_EN)) | |
1307 | return; | |
1308 | ||
1309 | /* Clear the CRTC_VBLANK_SAVE bit */ | |
1310 | WREG32(RADEON_CRTC2_STATUS, RADEON_CRTC2_VBLANK_SAVE_CLEAR); | |
1311 | for (i = 0; i < rdev->usec_timeout; i++) { | |
1312 | tmp = RREG32(RADEON_CRTC2_STATUS); | |
1313 | if (tmp & RADEON_CRTC2_VBLANK_SAVE) { | |
1314 | return; | |
1315 | } | |
1316 | DRM_UDELAY(1); | |
1317 | } | |
1318 | } | |
1319 | ||
1320 | int r100_rbbm_fifo_wait_for_entry(struct radeon_device *rdev, unsigned n) | |
1321 | { | |
1322 | unsigned i; | |
1323 | uint32_t tmp; | |
1324 | ||
1325 | for (i = 0; i < rdev->usec_timeout; i++) { | |
1326 | tmp = RREG32(RADEON_RBBM_STATUS) & RADEON_RBBM_FIFOCNT_MASK; | |
1327 | if (tmp >= n) { | |
1328 | return 0; | |
1329 | } | |
1330 | DRM_UDELAY(1); | |
1331 | } | |
1332 | return -1; | |
1333 | } | |
1334 | ||
1335 | int r100_gui_wait_for_idle(struct radeon_device *rdev) | |
1336 | { | |
1337 | unsigned i; | |
1338 | uint32_t tmp; | |
1339 | ||
1340 | if (r100_rbbm_fifo_wait_for_entry(rdev, 64)) { | |
1341 | printk(KERN_WARNING "radeon: wait for empty RBBM fifo failed !" | |
1342 | " Bad things might happen.\n"); | |
1343 | } | |
1344 | for (i = 0; i < rdev->usec_timeout; i++) { | |
1345 | tmp = RREG32(RADEON_RBBM_STATUS); | |
1346 | if (!(tmp & (1 << 31))) { | |
1347 | return 0; | |
1348 | } | |
1349 | DRM_UDELAY(1); | |
1350 | } | |
1351 | return -1; | |
1352 | } | |
1353 | ||
1354 | int r100_mc_wait_for_idle(struct radeon_device *rdev) | |
1355 | { | |
1356 | unsigned i; | |
1357 | uint32_t tmp; | |
1358 | ||
1359 | for (i = 0; i < rdev->usec_timeout; i++) { | |
1360 | /* read MC_STATUS */ | |
1361 | tmp = RREG32(0x0150); | |
1362 | if (tmp & (1 << 2)) { | |
1363 | return 0; | |
1364 | } | |
1365 | DRM_UDELAY(1); | |
1366 | } | |
1367 | return -1; | |
1368 | } | |
1369 | ||
1370 | void r100_gpu_init(struct radeon_device *rdev) | |
1371 | { | |
1372 | /* TODO: anythings to do here ? pipes ? */ | |
1373 | r100_hdp_reset(rdev); | |
1374 | } | |
1375 | ||
1376 | void r100_hdp_reset(struct radeon_device *rdev) | |
1377 | { | |
1378 | uint32_t tmp; | |
1379 | ||
1380 | tmp = RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL; | |
1381 | tmp |= (7 << 28); | |
1382 | WREG32(RADEON_HOST_PATH_CNTL, tmp | RADEON_HDP_SOFT_RESET | RADEON_HDP_READ_BUFFER_INVALIDATE); | |
1383 | (void)RREG32(RADEON_HOST_PATH_CNTL); | |
1384 | udelay(200); | |
1385 | WREG32(RADEON_RBBM_SOFT_RESET, 0); | |
1386 | WREG32(RADEON_HOST_PATH_CNTL, tmp); | |
1387 | (void)RREG32(RADEON_HOST_PATH_CNTL); | |
1388 | } | |
1389 | ||
1390 | int r100_rb2d_reset(struct radeon_device *rdev) | |
1391 | { | |
1392 | uint32_t tmp; | |
1393 | int i; | |
1394 | ||
1395 | WREG32(RADEON_RBBM_SOFT_RESET, RADEON_SOFT_RESET_E2); | |
1396 | (void)RREG32(RADEON_RBBM_SOFT_RESET); | |
1397 | udelay(200); | |
1398 | WREG32(RADEON_RBBM_SOFT_RESET, 0); | |
1399 | /* Wait to prevent race in RBBM_STATUS */ | |
1400 | mdelay(1); | |
1401 | for (i = 0; i < rdev->usec_timeout; i++) { | |
1402 | tmp = RREG32(RADEON_RBBM_STATUS); | |
1403 | if (!(tmp & (1 << 26))) { | |
1404 | DRM_INFO("RB2D reset succeed (RBBM_STATUS=0x%08X)\n", | |
1405 | tmp); | |
1406 | return 0; | |
1407 | } | |
1408 | DRM_UDELAY(1); | |
1409 | } | |
1410 | tmp = RREG32(RADEON_RBBM_STATUS); | |
1411 | DRM_ERROR("Failed to reset RB2D (RBBM_STATUS=0x%08X)!\n", tmp); | |
1412 | return -1; | |
1413 | } | |
1414 | ||
1415 | int r100_gpu_reset(struct radeon_device *rdev) | |
1416 | { | |
1417 | uint32_t status; | |
1418 | ||
1419 | /* reset order likely matter */ | |
1420 | status = RREG32(RADEON_RBBM_STATUS); | |
1421 | /* reset HDP */ | |
1422 | r100_hdp_reset(rdev); | |
1423 | /* reset rb2d */ | |
1424 | if (status & ((1 << 17) | (1 << 18) | (1 << 27))) { | |
1425 | r100_rb2d_reset(rdev); | |
1426 | } | |
1427 | /* TODO: reset 3D engine */ | |
1428 | /* reset CP */ | |
1429 | status = RREG32(RADEON_RBBM_STATUS); | |
1430 | if (status & (1 << 16)) { | |
1431 | r100_cp_reset(rdev); | |
1432 | } | |
1433 | /* Check if GPU is idle */ | |
1434 | status = RREG32(RADEON_RBBM_STATUS); | |
1435 | if (status & (1 << 31)) { | |
1436 | DRM_ERROR("Failed to reset GPU (RBBM_STATUS=0x%08X)\n", status); | |
1437 | return -1; | |
1438 | } | |
1439 | DRM_INFO("GPU reset succeed (RBBM_STATUS=0x%08X)\n", status); | |
1440 | return 0; | |
1441 | } | |
1442 | ||
1443 | ||
1444 | /* | |
1445 | * VRAM info | |
1446 | */ | |
1447 | static void r100_vram_get_type(struct radeon_device *rdev) | |
1448 | { | |
1449 | uint32_t tmp; | |
1450 | ||
1451 | rdev->mc.vram_is_ddr = false; | |
1452 | if (rdev->flags & RADEON_IS_IGP) | |
1453 | rdev->mc.vram_is_ddr = true; | |
1454 | else if (RREG32(RADEON_MEM_SDRAM_MODE_REG) & RADEON_MEM_CFG_TYPE_DDR) | |
1455 | rdev->mc.vram_is_ddr = true; | |
1456 | if ((rdev->family == CHIP_RV100) || | |
1457 | (rdev->family == CHIP_RS100) || | |
1458 | (rdev->family == CHIP_RS200)) { | |
1459 | tmp = RREG32(RADEON_MEM_CNTL); | |
1460 | if (tmp & RV100_HALF_MODE) { | |
1461 | rdev->mc.vram_width = 32; | |
1462 | } else { | |
1463 | rdev->mc.vram_width = 64; | |
1464 | } | |
1465 | if (rdev->flags & RADEON_SINGLE_CRTC) { | |
1466 | rdev->mc.vram_width /= 4; | |
1467 | rdev->mc.vram_is_ddr = true; | |
1468 | } | |
1469 | } else if (rdev->family <= CHIP_RV280) { | |
1470 | tmp = RREG32(RADEON_MEM_CNTL); | |
1471 | if (tmp & RADEON_MEM_NUM_CHANNELS_MASK) { | |
1472 | rdev->mc.vram_width = 128; | |
1473 | } else { | |
1474 | rdev->mc.vram_width = 64; | |
1475 | } | |
1476 | } else { | |
1477 | /* newer IGPs */ | |
1478 | rdev->mc.vram_width = 128; | |
1479 | } | |
1480 | } | |
1481 | ||
2a0f8918 | 1482 | static u32 r100_get_accessible_vram(struct radeon_device *rdev) |
771fe6b9 | 1483 | { |
2a0f8918 DA |
1484 | u32 aper_size; |
1485 | u8 byte; | |
1486 | ||
1487 | aper_size = RREG32(RADEON_CONFIG_APER_SIZE); | |
1488 | ||
1489 | /* Set HDP_APER_CNTL only on cards that are known not to be broken, | |
1490 | * that is has the 2nd generation multifunction PCI interface | |
1491 | */ | |
1492 | if (rdev->family == CHIP_RV280 || | |
1493 | rdev->family >= CHIP_RV350) { | |
1494 | WREG32_P(RADEON_HOST_PATH_CNTL, RADEON_HDP_APER_CNTL, | |
1495 | ~RADEON_HDP_APER_CNTL); | |
1496 | DRM_INFO("Generation 2 PCI interface, using max accessible memory\n"); | |
1497 | return aper_size * 2; | |
1498 | } | |
1499 | ||
1500 | /* Older cards have all sorts of funny issues to deal with. First | |
1501 | * check if it's a multifunction card by reading the PCI config | |
1502 | * header type... Limit those to one aperture size | |
1503 | */ | |
1504 | pci_read_config_byte(rdev->pdev, 0xe, &byte); | |
1505 | if (byte & 0x80) { | |
1506 | DRM_INFO("Generation 1 PCI interface in multifunction mode\n"); | |
1507 | DRM_INFO("Limiting VRAM to one aperture\n"); | |
1508 | return aper_size; | |
1509 | } | |
1510 | ||
1511 | /* Single function older card. We read HDP_APER_CNTL to see how the BIOS | |
1512 | * have set it up. We don't write this as it's broken on some ASICs but | |
1513 | * we expect the BIOS to have done the right thing (might be too optimistic...) | |
1514 | */ | |
1515 | if (RREG32(RADEON_HOST_PATH_CNTL) & RADEON_HDP_APER_CNTL) | |
1516 | return aper_size * 2; | |
1517 | return aper_size; | |
1518 | } | |
1519 | ||
1520 | void r100_vram_init_sizes(struct radeon_device *rdev) | |
1521 | { | |
1522 | u64 config_aper_size; | |
1523 | u32 accessible; | |
1524 | ||
1525 | config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE); | |
771fe6b9 JG |
1526 | |
1527 | if (rdev->flags & RADEON_IS_IGP) { | |
1528 | uint32_t tom; | |
1529 | /* read NB_TOM to get the amount of ram stolen for the GPU */ | |
1530 | tom = RREG32(RADEON_NB_TOM); | |
7a50f01a | 1531 | rdev->mc.real_vram_size = (((tom >> 16) - (tom & 0xffff) + 1) << 16); |
3e43d821 DA |
1532 | /* for IGPs we need to keep VRAM where it was put by the BIOS */ |
1533 | rdev->mc.vram_location = (tom & 0xffff) << 16; | |
7a50f01a DA |
1534 | WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size); |
1535 | rdev->mc.mc_vram_size = rdev->mc.real_vram_size; | |
771fe6b9 | 1536 | } else { |
7a50f01a | 1537 | rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE); |
771fe6b9 JG |
1538 | /* Some production boards of m6 will report 0 |
1539 | * if it's 8 MB | |
1540 | */ | |
7a50f01a DA |
1541 | if (rdev->mc.real_vram_size == 0) { |
1542 | rdev->mc.real_vram_size = 8192 * 1024; | |
1543 | WREG32(RADEON_CONFIG_MEMSIZE, rdev->mc.real_vram_size); | |
771fe6b9 | 1544 | } |
3e43d821 DA |
1545 | /* let driver place VRAM */ |
1546 | rdev->mc.vram_location = 0xFFFFFFFFUL; | |
2a0f8918 DA |
1547 | /* Fix for RN50, M6, M7 with 8/16/32(??) MBs of VRAM - |
1548 | * Novell bug 204882 + along with lots of ubuntu ones */ | |
7a50f01a DA |
1549 | if (config_aper_size > rdev->mc.real_vram_size) |
1550 | rdev->mc.mc_vram_size = config_aper_size; | |
1551 | else | |
1552 | rdev->mc.mc_vram_size = rdev->mc.real_vram_size; | |
771fe6b9 JG |
1553 | } |
1554 | ||
2a0f8918 DA |
1555 | /* work out accessible VRAM */ |
1556 | accessible = r100_get_accessible_vram(rdev); | |
1557 | ||
771fe6b9 JG |
1558 | rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0); |
1559 | rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0); | |
2a0f8918 DA |
1560 | |
1561 | if (accessible > rdev->mc.aper_size) | |
1562 | accessible = rdev->mc.aper_size; | |
1563 | ||
7a50f01a DA |
1564 | if (rdev->mc.mc_vram_size > rdev->mc.aper_size) |
1565 | rdev->mc.mc_vram_size = rdev->mc.aper_size; | |
1566 | ||
1567 | if (rdev->mc.real_vram_size > rdev->mc.aper_size) | |
1568 | rdev->mc.real_vram_size = rdev->mc.aper_size; | |
2a0f8918 DA |
1569 | } |
1570 | ||
1571 | void r100_vram_info(struct radeon_device *rdev) | |
1572 | { | |
1573 | r100_vram_get_type(rdev); | |
1574 | ||
1575 | r100_vram_init_sizes(rdev); | |
771fe6b9 JG |
1576 | } |
1577 | ||
1578 | ||
1579 | /* | |
1580 | * Indirect registers accessor | |
1581 | */ | |
1582 | void r100_pll_errata_after_index(struct radeon_device *rdev) | |
1583 | { | |
1584 | if (!(rdev->pll_errata & CHIP_ERRATA_PLL_DUMMYREADS)) { | |
1585 | return; | |
1586 | } | |
1587 | (void)RREG32(RADEON_CLOCK_CNTL_DATA); | |
1588 | (void)RREG32(RADEON_CRTC_GEN_CNTL); | |
1589 | } | |
1590 | ||
1591 | static void r100_pll_errata_after_data(struct radeon_device *rdev) | |
1592 | { | |
1593 | /* This workarounds is necessary on RV100, RS100 and RS200 chips | |
1594 | * or the chip could hang on a subsequent access | |
1595 | */ | |
1596 | if (rdev->pll_errata & CHIP_ERRATA_PLL_DELAY) { | |
1597 | udelay(5000); | |
1598 | } | |
1599 | ||
1600 | /* This function is required to workaround a hardware bug in some (all?) | |
1601 | * revisions of the R300. This workaround should be called after every | |
1602 | * CLOCK_CNTL_INDEX register access. If not, register reads afterward | |
1603 | * may not be correct. | |
1604 | */ | |
1605 | if (rdev->pll_errata & CHIP_ERRATA_R300_CG) { | |
1606 | uint32_t save, tmp; | |
1607 | ||
1608 | save = RREG32(RADEON_CLOCK_CNTL_INDEX); | |
1609 | tmp = save & ~(0x3f | RADEON_PLL_WR_EN); | |
1610 | WREG32(RADEON_CLOCK_CNTL_INDEX, tmp); | |
1611 | tmp = RREG32(RADEON_CLOCK_CNTL_DATA); | |
1612 | WREG32(RADEON_CLOCK_CNTL_INDEX, save); | |
1613 | } | |
1614 | } | |
1615 | ||
1616 | uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg) | |
1617 | { | |
1618 | uint32_t data; | |
1619 | ||
1620 | WREG8(RADEON_CLOCK_CNTL_INDEX, reg & 0x3f); | |
1621 | r100_pll_errata_after_index(rdev); | |
1622 | data = RREG32(RADEON_CLOCK_CNTL_DATA); | |
1623 | r100_pll_errata_after_data(rdev); | |
1624 | return data; | |
1625 | } | |
1626 | ||
1627 | void r100_pll_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v) | |
1628 | { | |
1629 | WREG8(RADEON_CLOCK_CNTL_INDEX, ((reg & 0x3f) | RADEON_PLL_WR_EN)); | |
1630 | r100_pll_errata_after_index(rdev); | |
1631 | WREG32(RADEON_CLOCK_CNTL_DATA, v); | |
1632 | r100_pll_errata_after_data(rdev); | |
1633 | } | |
1634 | ||
068a117c JG |
1635 | int r100_init(struct radeon_device *rdev) |
1636 | { | |
1637 | return 0; | |
1638 | } | |
1639 | ||
771fe6b9 JG |
1640 | /* |
1641 | * Debugfs info | |
1642 | */ | |
1643 | #if defined(CONFIG_DEBUG_FS) | |
1644 | static int r100_debugfs_rbbm_info(struct seq_file *m, void *data) | |
1645 | { | |
1646 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
1647 | struct drm_device *dev = node->minor->dev; | |
1648 | struct radeon_device *rdev = dev->dev_private; | |
1649 | uint32_t reg, value; | |
1650 | unsigned i; | |
1651 | ||
1652 | seq_printf(m, "RBBM_STATUS 0x%08x\n", RREG32(RADEON_RBBM_STATUS)); | |
1653 | seq_printf(m, "RBBM_CMDFIFO_STAT 0x%08x\n", RREG32(0xE7C)); | |
1654 | seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT)); | |
1655 | for (i = 0; i < 64; i++) { | |
1656 | WREG32(RADEON_RBBM_CMDFIFO_ADDR, i | 0x100); | |
1657 | reg = (RREG32(RADEON_RBBM_CMDFIFO_DATA) - 1) >> 2; | |
1658 | WREG32(RADEON_RBBM_CMDFIFO_ADDR, i); | |
1659 | value = RREG32(RADEON_RBBM_CMDFIFO_DATA); | |
1660 | seq_printf(m, "[0x%03X] 0x%04X=0x%08X\n", i, reg, value); | |
1661 | } | |
1662 | return 0; | |
1663 | } | |
1664 | ||
1665 | static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data) | |
1666 | { | |
1667 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
1668 | struct drm_device *dev = node->minor->dev; | |
1669 | struct radeon_device *rdev = dev->dev_private; | |
1670 | uint32_t rdp, wdp; | |
1671 | unsigned count, i, j; | |
1672 | ||
1673 | radeon_ring_free_size(rdev); | |
1674 | rdp = RREG32(RADEON_CP_RB_RPTR); | |
1675 | wdp = RREG32(RADEON_CP_RB_WPTR); | |
1676 | count = (rdp + rdev->cp.ring_size - wdp) & rdev->cp.ptr_mask; | |
1677 | seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT)); | |
1678 | seq_printf(m, "CP_RB_WPTR 0x%08x\n", wdp); | |
1679 | seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp); | |
1680 | seq_printf(m, "%u free dwords in ring\n", rdev->cp.ring_free_dw); | |
1681 | seq_printf(m, "%u dwords in ring\n", count); | |
1682 | for (j = 0; j <= count; j++) { | |
1683 | i = (rdp + j) & rdev->cp.ptr_mask; | |
1684 | seq_printf(m, "r[%04d]=0x%08x\n", i, rdev->cp.ring[i]); | |
1685 | } | |
1686 | return 0; | |
1687 | } | |
1688 | ||
1689 | ||
1690 | static int r100_debugfs_cp_csq_fifo(struct seq_file *m, void *data) | |
1691 | { | |
1692 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
1693 | struct drm_device *dev = node->minor->dev; | |
1694 | struct radeon_device *rdev = dev->dev_private; | |
1695 | uint32_t csq_stat, csq2_stat, tmp; | |
1696 | unsigned r_rptr, r_wptr, ib1_rptr, ib1_wptr, ib2_rptr, ib2_wptr; | |
1697 | unsigned i; | |
1698 | ||
1699 | seq_printf(m, "CP_STAT 0x%08x\n", RREG32(RADEON_CP_STAT)); | |
1700 | seq_printf(m, "CP_CSQ_MODE 0x%08x\n", RREG32(RADEON_CP_CSQ_MODE)); | |
1701 | csq_stat = RREG32(RADEON_CP_CSQ_STAT); | |
1702 | csq2_stat = RREG32(RADEON_CP_CSQ2_STAT); | |
1703 | r_rptr = (csq_stat >> 0) & 0x3ff; | |
1704 | r_wptr = (csq_stat >> 10) & 0x3ff; | |
1705 | ib1_rptr = (csq_stat >> 20) & 0x3ff; | |
1706 | ib1_wptr = (csq2_stat >> 0) & 0x3ff; | |
1707 | ib2_rptr = (csq2_stat >> 10) & 0x3ff; | |
1708 | ib2_wptr = (csq2_stat >> 20) & 0x3ff; | |
1709 | seq_printf(m, "CP_CSQ_STAT 0x%08x\n", csq_stat); | |
1710 | seq_printf(m, "CP_CSQ2_STAT 0x%08x\n", csq2_stat); | |
1711 | seq_printf(m, "Ring rptr %u\n", r_rptr); | |
1712 | seq_printf(m, "Ring wptr %u\n", r_wptr); | |
1713 | seq_printf(m, "Indirect1 rptr %u\n", ib1_rptr); | |
1714 | seq_printf(m, "Indirect1 wptr %u\n", ib1_wptr); | |
1715 | seq_printf(m, "Indirect2 rptr %u\n", ib2_rptr); | |
1716 | seq_printf(m, "Indirect2 wptr %u\n", ib2_wptr); | |
1717 | /* FIXME: 0, 128, 640 depends on fifo setup see cp_init_kms | |
1718 | * 128 = indirect1_start * 8 & 640 = indirect2_start * 8 */ | |
1719 | seq_printf(m, "Ring fifo:\n"); | |
1720 | for (i = 0; i < 256; i++) { | |
1721 | WREG32(RADEON_CP_CSQ_ADDR, i << 2); | |
1722 | tmp = RREG32(RADEON_CP_CSQ_DATA); | |
1723 | seq_printf(m, "rfifo[%04d]=0x%08X\n", i, tmp); | |
1724 | } | |
1725 | seq_printf(m, "Indirect1 fifo:\n"); | |
1726 | for (i = 256; i <= 512; i++) { | |
1727 | WREG32(RADEON_CP_CSQ_ADDR, i << 2); | |
1728 | tmp = RREG32(RADEON_CP_CSQ_DATA); | |
1729 | seq_printf(m, "ib1fifo[%04d]=0x%08X\n", i, tmp); | |
1730 | } | |
1731 | seq_printf(m, "Indirect2 fifo:\n"); | |
1732 | for (i = 640; i < ib1_wptr; i++) { | |
1733 | WREG32(RADEON_CP_CSQ_ADDR, i << 2); | |
1734 | tmp = RREG32(RADEON_CP_CSQ_DATA); | |
1735 | seq_printf(m, "ib2fifo[%04d]=0x%08X\n", i, tmp); | |
1736 | } | |
1737 | return 0; | |
1738 | } | |
1739 | ||
1740 | static int r100_debugfs_mc_info(struct seq_file *m, void *data) | |
1741 | { | |
1742 | struct drm_info_node *node = (struct drm_info_node *) m->private; | |
1743 | struct drm_device *dev = node->minor->dev; | |
1744 | struct radeon_device *rdev = dev->dev_private; | |
1745 | uint32_t tmp; | |
1746 | ||
1747 | tmp = RREG32(RADEON_CONFIG_MEMSIZE); | |
1748 | seq_printf(m, "CONFIG_MEMSIZE 0x%08x\n", tmp); | |
1749 | tmp = RREG32(RADEON_MC_FB_LOCATION); | |
1750 | seq_printf(m, "MC_FB_LOCATION 0x%08x\n", tmp); | |
1751 | tmp = RREG32(RADEON_BUS_CNTL); | |
1752 | seq_printf(m, "BUS_CNTL 0x%08x\n", tmp); | |
1753 | tmp = RREG32(RADEON_MC_AGP_LOCATION); | |
1754 | seq_printf(m, "MC_AGP_LOCATION 0x%08x\n", tmp); | |
1755 | tmp = RREG32(RADEON_AGP_BASE); | |
1756 | seq_printf(m, "AGP_BASE 0x%08x\n", tmp); | |
1757 | tmp = RREG32(RADEON_HOST_PATH_CNTL); | |
1758 | seq_printf(m, "HOST_PATH_CNTL 0x%08x\n", tmp); | |
1759 | tmp = RREG32(0x01D0); | |
1760 | seq_printf(m, "AIC_CTRL 0x%08x\n", tmp); | |
1761 | tmp = RREG32(RADEON_AIC_LO_ADDR); | |
1762 | seq_printf(m, "AIC_LO_ADDR 0x%08x\n", tmp); | |
1763 | tmp = RREG32(RADEON_AIC_HI_ADDR); | |
1764 | seq_printf(m, "AIC_HI_ADDR 0x%08x\n", tmp); | |
1765 | tmp = RREG32(0x01E4); | |
1766 | seq_printf(m, "AIC_TLB_ADDR 0x%08x\n", tmp); | |
1767 | return 0; | |
1768 | } | |
1769 | ||
1770 | static struct drm_info_list r100_debugfs_rbbm_list[] = { | |
1771 | {"r100_rbbm_info", r100_debugfs_rbbm_info, 0, NULL}, | |
1772 | }; | |
1773 | ||
1774 | static struct drm_info_list r100_debugfs_cp_list[] = { | |
1775 | {"r100_cp_ring_info", r100_debugfs_cp_ring_info, 0, NULL}, | |
1776 | {"r100_cp_csq_fifo", r100_debugfs_cp_csq_fifo, 0, NULL}, | |
1777 | }; | |
1778 | ||
1779 | static struct drm_info_list r100_debugfs_mc_info_list[] = { | |
1780 | {"r100_mc_info", r100_debugfs_mc_info, 0, NULL}, | |
1781 | }; | |
1782 | #endif | |
1783 | ||
1784 | int r100_debugfs_rbbm_init(struct radeon_device *rdev) | |
1785 | { | |
1786 | #if defined(CONFIG_DEBUG_FS) | |
1787 | return radeon_debugfs_add_files(rdev, r100_debugfs_rbbm_list, 1); | |
1788 | #else | |
1789 | return 0; | |
1790 | #endif | |
1791 | } | |
1792 | ||
1793 | int r100_debugfs_cp_init(struct radeon_device *rdev) | |
1794 | { | |
1795 | #if defined(CONFIG_DEBUG_FS) | |
1796 | return radeon_debugfs_add_files(rdev, r100_debugfs_cp_list, 2); | |
1797 | #else | |
1798 | return 0; | |
1799 | #endif | |
1800 | } | |
1801 | ||
1802 | int r100_debugfs_mc_info_init(struct radeon_device *rdev) | |
1803 | { | |
1804 | #if defined(CONFIG_DEBUG_FS) | |
1805 | return radeon_debugfs_add_files(rdev, r100_debugfs_mc_info_list, 1); | |
1806 | #else | |
1807 | return 0; | |
1808 | #endif | |
1809 | } | |
e024e110 DA |
1810 | |
1811 | int r100_set_surface_reg(struct radeon_device *rdev, int reg, | |
1812 | uint32_t tiling_flags, uint32_t pitch, | |
1813 | uint32_t offset, uint32_t obj_size) | |
1814 | { | |
1815 | int surf_index = reg * 16; | |
1816 | int flags = 0; | |
1817 | ||
1818 | /* r100/r200 divide by 16 */ | |
1819 | if (rdev->family < CHIP_R300) | |
1820 | flags = pitch / 16; | |
1821 | else | |
1822 | flags = pitch / 8; | |
1823 | ||
1824 | if (rdev->family <= CHIP_RS200) { | |
1825 | if ((tiling_flags & (RADEON_TILING_MACRO|RADEON_TILING_MICRO)) | |
1826 | == (RADEON_TILING_MACRO|RADEON_TILING_MICRO)) | |
1827 | flags |= RADEON_SURF_TILE_COLOR_BOTH; | |
1828 | if (tiling_flags & RADEON_TILING_MACRO) | |
1829 | flags |= RADEON_SURF_TILE_COLOR_MACRO; | |
1830 | } else if (rdev->family <= CHIP_RV280) { | |
1831 | if (tiling_flags & (RADEON_TILING_MACRO)) | |
1832 | flags |= R200_SURF_TILE_COLOR_MACRO; | |
1833 | if (tiling_flags & RADEON_TILING_MICRO) | |
1834 | flags |= R200_SURF_TILE_COLOR_MICRO; | |
1835 | } else { | |
1836 | if (tiling_flags & RADEON_TILING_MACRO) | |
1837 | flags |= R300_SURF_TILE_MACRO; | |
1838 | if (tiling_flags & RADEON_TILING_MICRO) | |
1839 | flags |= R300_SURF_TILE_MICRO; | |
1840 | } | |
1841 | ||
1842 | DRM_DEBUG("writing surface %d %d %x %x\n", reg, flags, offset, offset+obj_size-1); | |
1843 | WREG32(RADEON_SURFACE0_INFO + surf_index, flags); | |
1844 | WREG32(RADEON_SURFACE0_LOWER_BOUND + surf_index, offset); | |
1845 | WREG32(RADEON_SURFACE0_UPPER_BOUND + surf_index, offset + obj_size - 1); | |
1846 | return 0; | |
1847 | } | |
1848 | ||
1849 | void r100_clear_surface_reg(struct radeon_device *rdev, int reg) | |
1850 | { | |
1851 | int surf_index = reg * 16; | |
1852 | WREG32(RADEON_SURFACE0_INFO + surf_index, 0); | |
1853 | } | |
c93bb85b JG |
1854 | |
1855 | void r100_bandwidth_update(struct radeon_device *rdev) | |
1856 | { | |
1857 | fixed20_12 trcd_ff, trp_ff, tras_ff, trbs_ff, tcas_ff; | |
1858 | fixed20_12 sclk_ff, mclk_ff, sclk_eff_ff, sclk_delay_ff; | |
1859 | fixed20_12 peak_disp_bw, mem_bw, pix_clk, pix_clk2, temp_ff, crit_point_ff; | |
1860 | uint32_t temp, data, mem_trcd, mem_trp, mem_tras; | |
1861 | fixed20_12 memtcas_ff[8] = { | |
1862 | fixed_init(1), | |
1863 | fixed_init(2), | |
1864 | fixed_init(3), | |
1865 | fixed_init(0), | |
1866 | fixed_init_half(1), | |
1867 | fixed_init_half(2), | |
1868 | fixed_init(0), | |
1869 | }; | |
1870 | fixed20_12 memtcas_rs480_ff[8] = { | |
1871 | fixed_init(0), | |
1872 | fixed_init(1), | |
1873 | fixed_init(2), | |
1874 | fixed_init(3), | |
1875 | fixed_init(0), | |
1876 | fixed_init_half(1), | |
1877 | fixed_init_half(2), | |
1878 | fixed_init_half(3), | |
1879 | }; | |
1880 | fixed20_12 memtcas2_ff[8] = { | |
1881 | fixed_init(0), | |
1882 | fixed_init(1), | |
1883 | fixed_init(2), | |
1884 | fixed_init(3), | |
1885 | fixed_init(4), | |
1886 | fixed_init(5), | |
1887 | fixed_init(6), | |
1888 | fixed_init(7), | |
1889 | }; | |
1890 | fixed20_12 memtrbs[8] = { | |
1891 | fixed_init(1), | |
1892 | fixed_init_half(1), | |
1893 | fixed_init(2), | |
1894 | fixed_init_half(2), | |
1895 | fixed_init(3), | |
1896 | fixed_init_half(3), | |
1897 | fixed_init(4), | |
1898 | fixed_init_half(4) | |
1899 | }; | |
1900 | fixed20_12 memtrbs_r4xx[8] = { | |
1901 | fixed_init(4), | |
1902 | fixed_init(5), | |
1903 | fixed_init(6), | |
1904 | fixed_init(7), | |
1905 | fixed_init(8), | |
1906 | fixed_init(9), | |
1907 | fixed_init(10), | |
1908 | fixed_init(11) | |
1909 | }; | |
1910 | fixed20_12 min_mem_eff; | |
1911 | fixed20_12 mc_latency_sclk, mc_latency_mclk, k1; | |
1912 | fixed20_12 cur_latency_mclk, cur_latency_sclk; | |
1913 | fixed20_12 disp_latency, disp_latency_overhead, disp_drain_rate, | |
1914 | disp_drain_rate2, read_return_rate; | |
1915 | fixed20_12 time_disp1_drop_priority; | |
1916 | int c; | |
1917 | int cur_size = 16; /* in octawords */ | |
1918 | int critical_point = 0, critical_point2; | |
1919 | /* uint32_t read_return_rate, time_disp1_drop_priority; */ | |
1920 | int stop_req, max_stop_req; | |
1921 | struct drm_display_mode *mode1 = NULL; | |
1922 | struct drm_display_mode *mode2 = NULL; | |
1923 | uint32_t pixel_bytes1 = 0; | |
1924 | uint32_t pixel_bytes2 = 0; | |
1925 | ||
1926 | if (rdev->mode_info.crtcs[0]->base.enabled) { | |
1927 | mode1 = &rdev->mode_info.crtcs[0]->base.mode; | |
1928 | pixel_bytes1 = rdev->mode_info.crtcs[0]->base.fb->bits_per_pixel / 8; | |
1929 | } | |
1930 | if (rdev->mode_info.crtcs[1]->base.enabled) { | |
1931 | mode2 = &rdev->mode_info.crtcs[1]->base.mode; | |
1932 | pixel_bytes2 = rdev->mode_info.crtcs[1]->base.fb->bits_per_pixel / 8; | |
1933 | } | |
1934 | ||
1935 | min_mem_eff.full = rfixed_const_8(0); | |
1936 | /* get modes */ | |
1937 | if ((rdev->disp_priority == 2) && ASIC_IS_R300(rdev)) { | |
1938 | uint32_t mc_init_misc_lat_timer = RREG32(R300_MC_INIT_MISC_LAT_TIMER); | |
1939 | mc_init_misc_lat_timer &= ~(R300_MC_DISP1R_INIT_LAT_MASK << R300_MC_DISP1R_INIT_LAT_SHIFT); | |
1940 | mc_init_misc_lat_timer &= ~(R300_MC_DISP0R_INIT_LAT_MASK << R300_MC_DISP0R_INIT_LAT_SHIFT); | |
1941 | /* check crtc enables */ | |
1942 | if (mode2) | |
1943 | mc_init_misc_lat_timer |= (1 << R300_MC_DISP1R_INIT_LAT_SHIFT); | |
1944 | if (mode1) | |
1945 | mc_init_misc_lat_timer |= (1 << R300_MC_DISP0R_INIT_LAT_SHIFT); | |
1946 | WREG32(R300_MC_INIT_MISC_LAT_TIMER, mc_init_misc_lat_timer); | |
1947 | } | |
1948 | ||
1949 | /* | |
1950 | * determine is there is enough bw for current mode | |
1951 | */ | |
1952 | mclk_ff.full = rfixed_const(rdev->clock.default_mclk); | |
1953 | temp_ff.full = rfixed_const(100); | |
1954 | mclk_ff.full = rfixed_div(mclk_ff, temp_ff); | |
1955 | sclk_ff.full = rfixed_const(rdev->clock.default_sclk); | |
1956 | sclk_ff.full = rfixed_div(sclk_ff, temp_ff); | |
1957 | ||
1958 | temp = (rdev->mc.vram_width / 8) * (rdev->mc.vram_is_ddr ? 2 : 1); | |
1959 | temp_ff.full = rfixed_const(temp); | |
1960 | mem_bw.full = rfixed_mul(mclk_ff, temp_ff); | |
1961 | ||
1962 | pix_clk.full = 0; | |
1963 | pix_clk2.full = 0; | |
1964 | peak_disp_bw.full = 0; | |
1965 | if (mode1) { | |
1966 | temp_ff.full = rfixed_const(1000); | |
1967 | pix_clk.full = rfixed_const(mode1->clock); /* convert to fixed point */ | |
1968 | pix_clk.full = rfixed_div(pix_clk, temp_ff); | |
1969 | temp_ff.full = rfixed_const(pixel_bytes1); | |
1970 | peak_disp_bw.full += rfixed_mul(pix_clk, temp_ff); | |
1971 | } | |
1972 | if (mode2) { | |
1973 | temp_ff.full = rfixed_const(1000); | |
1974 | pix_clk2.full = rfixed_const(mode2->clock); /* convert to fixed point */ | |
1975 | pix_clk2.full = rfixed_div(pix_clk2, temp_ff); | |
1976 | temp_ff.full = rfixed_const(pixel_bytes2); | |
1977 | peak_disp_bw.full += rfixed_mul(pix_clk2, temp_ff); | |
1978 | } | |
1979 | ||
1980 | mem_bw.full = rfixed_mul(mem_bw, min_mem_eff); | |
1981 | if (peak_disp_bw.full >= mem_bw.full) { | |
1982 | DRM_ERROR("You may not have enough display bandwidth for current mode\n" | |
1983 | "If you have flickering problem, try to lower resolution, refresh rate, or color depth\n"); | |
1984 | } | |
1985 | ||
1986 | /* Get values from the EXT_MEM_CNTL register...converting its contents. */ | |
1987 | temp = RREG32(RADEON_MEM_TIMING_CNTL); | |
1988 | if ((rdev->family == CHIP_RV100) || (rdev->flags & RADEON_IS_IGP)) { /* RV100, M6, IGPs */ | |
1989 | mem_trcd = ((temp >> 2) & 0x3) + 1; | |
1990 | mem_trp = ((temp & 0x3)) + 1; | |
1991 | mem_tras = ((temp & 0x70) >> 4) + 1; | |
1992 | } else if (rdev->family == CHIP_R300 || | |
1993 | rdev->family == CHIP_R350) { /* r300, r350 */ | |
1994 | mem_trcd = (temp & 0x7) + 1; | |
1995 | mem_trp = ((temp >> 8) & 0x7) + 1; | |
1996 | mem_tras = ((temp >> 11) & 0xf) + 4; | |
1997 | } else if (rdev->family == CHIP_RV350 || | |
1998 | rdev->family <= CHIP_RV380) { | |
1999 | /* rv3x0 */ | |
2000 | mem_trcd = (temp & 0x7) + 3; | |
2001 | mem_trp = ((temp >> 8) & 0x7) + 3; | |
2002 | mem_tras = ((temp >> 11) & 0xf) + 6; | |
2003 | } else if (rdev->family == CHIP_R420 || | |
2004 | rdev->family == CHIP_R423 || | |
2005 | rdev->family == CHIP_RV410) { | |
2006 | /* r4xx */ | |
2007 | mem_trcd = (temp & 0xf) + 3; | |
2008 | if (mem_trcd > 15) | |
2009 | mem_trcd = 15; | |
2010 | mem_trp = ((temp >> 8) & 0xf) + 3; | |
2011 | if (mem_trp > 15) | |
2012 | mem_trp = 15; | |
2013 | mem_tras = ((temp >> 12) & 0x1f) + 6; | |
2014 | if (mem_tras > 31) | |
2015 | mem_tras = 31; | |
2016 | } else { /* RV200, R200 */ | |
2017 | mem_trcd = (temp & 0x7) + 1; | |
2018 | mem_trp = ((temp >> 8) & 0x7) + 1; | |
2019 | mem_tras = ((temp >> 12) & 0xf) + 4; | |
2020 | } | |
2021 | /* convert to FF */ | |
2022 | trcd_ff.full = rfixed_const(mem_trcd); | |
2023 | trp_ff.full = rfixed_const(mem_trp); | |
2024 | tras_ff.full = rfixed_const(mem_tras); | |
2025 | ||
2026 | /* Get values from the MEM_SDRAM_MODE_REG register...converting its */ | |
2027 | temp = RREG32(RADEON_MEM_SDRAM_MODE_REG); | |
2028 | data = (temp & (7 << 20)) >> 20; | |
2029 | if ((rdev->family == CHIP_RV100) || rdev->flags & RADEON_IS_IGP) { | |
2030 | if (rdev->family == CHIP_RS480) /* don't think rs400 */ | |
2031 | tcas_ff = memtcas_rs480_ff[data]; | |
2032 | else | |
2033 | tcas_ff = memtcas_ff[data]; | |
2034 | } else | |
2035 | tcas_ff = memtcas2_ff[data]; | |
2036 | ||
2037 | if (rdev->family == CHIP_RS400 || | |
2038 | rdev->family == CHIP_RS480) { | |
2039 | /* extra cas latency stored in bits 23-25 0-4 clocks */ | |
2040 | data = (temp >> 23) & 0x7; | |
2041 | if (data < 5) | |
2042 | tcas_ff.full += rfixed_const(data); | |
2043 | } | |
2044 | ||
2045 | if (ASIC_IS_R300(rdev) && !(rdev->flags & RADEON_IS_IGP)) { | |
2046 | /* on the R300, Tcas is included in Trbs. | |
2047 | */ | |
2048 | temp = RREG32(RADEON_MEM_CNTL); | |
2049 | data = (R300_MEM_NUM_CHANNELS_MASK & temp); | |
2050 | if (data == 1) { | |
2051 | if (R300_MEM_USE_CD_CH_ONLY & temp) { | |
2052 | temp = RREG32(R300_MC_IND_INDEX); | |
2053 | temp &= ~R300_MC_IND_ADDR_MASK; | |
2054 | temp |= R300_MC_READ_CNTL_CD_mcind; | |
2055 | WREG32(R300_MC_IND_INDEX, temp); | |
2056 | temp = RREG32(R300_MC_IND_DATA); | |
2057 | data = (R300_MEM_RBS_POSITION_C_MASK & temp); | |
2058 | } else { | |
2059 | temp = RREG32(R300_MC_READ_CNTL_AB); | |
2060 | data = (R300_MEM_RBS_POSITION_A_MASK & temp); | |
2061 | } | |
2062 | } else { | |
2063 | temp = RREG32(R300_MC_READ_CNTL_AB); | |
2064 | data = (R300_MEM_RBS_POSITION_A_MASK & temp); | |
2065 | } | |
2066 | if (rdev->family == CHIP_RV410 || | |
2067 | rdev->family == CHIP_R420 || | |
2068 | rdev->family == CHIP_R423) | |
2069 | trbs_ff = memtrbs_r4xx[data]; | |
2070 | else | |
2071 | trbs_ff = memtrbs[data]; | |
2072 | tcas_ff.full += trbs_ff.full; | |
2073 | } | |
2074 | ||
2075 | sclk_eff_ff.full = sclk_ff.full; | |
2076 | ||
2077 | if (rdev->flags & RADEON_IS_AGP) { | |
2078 | fixed20_12 agpmode_ff; | |
2079 | agpmode_ff.full = rfixed_const(radeon_agpmode); | |
2080 | temp_ff.full = rfixed_const_666(16); | |
2081 | sclk_eff_ff.full -= rfixed_mul(agpmode_ff, temp_ff); | |
2082 | } | |
2083 | /* TODO PCIE lanes may affect this - agpmode == 16?? */ | |
2084 | ||
2085 | if (ASIC_IS_R300(rdev)) { | |
2086 | sclk_delay_ff.full = rfixed_const(250); | |
2087 | } else { | |
2088 | if ((rdev->family == CHIP_RV100) || | |
2089 | rdev->flags & RADEON_IS_IGP) { | |
2090 | if (rdev->mc.vram_is_ddr) | |
2091 | sclk_delay_ff.full = rfixed_const(41); | |
2092 | else | |
2093 | sclk_delay_ff.full = rfixed_const(33); | |
2094 | } else { | |
2095 | if (rdev->mc.vram_width == 128) | |
2096 | sclk_delay_ff.full = rfixed_const(57); | |
2097 | else | |
2098 | sclk_delay_ff.full = rfixed_const(41); | |
2099 | } | |
2100 | } | |
2101 | ||
2102 | mc_latency_sclk.full = rfixed_div(sclk_delay_ff, sclk_eff_ff); | |
2103 | ||
2104 | if (rdev->mc.vram_is_ddr) { | |
2105 | if (rdev->mc.vram_width == 32) { | |
2106 | k1.full = rfixed_const(40); | |
2107 | c = 3; | |
2108 | } else { | |
2109 | k1.full = rfixed_const(20); | |
2110 | c = 1; | |
2111 | } | |
2112 | } else { | |
2113 | k1.full = rfixed_const(40); | |
2114 | c = 3; | |
2115 | } | |
2116 | ||
2117 | temp_ff.full = rfixed_const(2); | |
2118 | mc_latency_mclk.full = rfixed_mul(trcd_ff, temp_ff); | |
2119 | temp_ff.full = rfixed_const(c); | |
2120 | mc_latency_mclk.full += rfixed_mul(tcas_ff, temp_ff); | |
2121 | temp_ff.full = rfixed_const(4); | |
2122 | mc_latency_mclk.full += rfixed_mul(tras_ff, temp_ff); | |
2123 | mc_latency_mclk.full += rfixed_mul(trp_ff, temp_ff); | |
2124 | mc_latency_mclk.full += k1.full; | |
2125 | ||
2126 | mc_latency_mclk.full = rfixed_div(mc_latency_mclk, mclk_ff); | |
2127 | mc_latency_mclk.full += rfixed_div(temp_ff, sclk_eff_ff); | |
2128 | ||
2129 | /* | |
2130 | HW cursor time assuming worst case of full size colour cursor. | |
2131 | */ | |
2132 | temp_ff.full = rfixed_const((2 * (cur_size - (rdev->mc.vram_is_ddr + 1)))); | |
2133 | temp_ff.full += trcd_ff.full; | |
2134 | if (temp_ff.full < tras_ff.full) | |
2135 | temp_ff.full = tras_ff.full; | |
2136 | cur_latency_mclk.full = rfixed_div(temp_ff, mclk_ff); | |
2137 | ||
2138 | temp_ff.full = rfixed_const(cur_size); | |
2139 | cur_latency_sclk.full = rfixed_div(temp_ff, sclk_eff_ff); | |
2140 | /* | |
2141 | Find the total latency for the display data. | |
2142 | */ | |
2143 | disp_latency_overhead.full = rfixed_const(80); | |
2144 | disp_latency_overhead.full = rfixed_div(disp_latency_overhead, sclk_ff); | |
2145 | mc_latency_mclk.full += disp_latency_overhead.full + cur_latency_mclk.full; | |
2146 | mc_latency_sclk.full += disp_latency_overhead.full + cur_latency_sclk.full; | |
2147 | ||
2148 | if (mc_latency_mclk.full > mc_latency_sclk.full) | |
2149 | disp_latency.full = mc_latency_mclk.full; | |
2150 | else | |
2151 | disp_latency.full = mc_latency_sclk.full; | |
2152 | ||
2153 | /* setup Max GRPH_STOP_REQ default value */ | |
2154 | if (ASIC_IS_RV100(rdev)) | |
2155 | max_stop_req = 0x5c; | |
2156 | else | |
2157 | max_stop_req = 0x7c; | |
2158 | ||
2159 | if (mode1) { | |
2160 | /* CRTC1 | |
2161 | Set GRPH_BUFFER_CNTL register using h/w defined optimal values. | |
2162 | GRPH_STOP_REQ <= MIN[ 0x7C, (CRTC_H_DISP + 1) * (bit depth) / 0x10 ] | |
2163 | */ | |
2164 | stop_req = mode1->hdisplay * pixel_bytes1 / 16; | |
2165 | ||
2166 | if (stop_req > max_stop_req) | |
2167 | stop_req = max_stop_req; | |
2168 | ||
2169 | /* | |
2170 | Find the drain rate of the display buffer. | |
2171 | */ | |
2172 | temp_ff.full = rfixed_const((16/pixel_bytes1)); | |
2173 | disp_drain_rate.full = rfixed_div(pix_clk, temp_ff); | |
2174 | ||
2175 | /* | |
2176 | Find the critical point of the display buffer. | |
2177 | */ | |
2178 | crit_point_ff.full = rfixed_mul(disp_drain_rate, disp_latency); | |
2179 | crit_point_ff.full += rfixed_const_half(0); | |
2180 | ||
2181 | critical_point = rfixed_trunc(crit_point_ff); | |
2182 | ||
2183 | if (rdev->disp_priority == 2) { | |
2184 | critical_point = 0; | |
2185 | } | |
2186 | ||
2187 | /* | |
2188 | The critical point should never be above max_stop_req-4. Setting | |
2189 | GRPH_CRITICAL_CNTL = 0 will thus force high priority all the time. | |
2190 | */ | |
2191 | if (max_stop_req - critical_point < 4) | |
2192 | critical_point = 0; | |
2193 | ||
2194 | if (critical_point == 0 && mode2 && rdev->family == CHIP_R300) { | |
2195 | /* some R300 cards have problem with this set to 0, when CRTC2 is enabled.*/ | |
2196 | critical_point = 0x10; | |
2197 | } | |
2198 | ||
2199 | temp = RREG32(RADEON_GRPH_BUFFER_CNTL); | |
2200 | temp &= ~(RADEON_GRPH_STOP_REQ_MASK); | |
2201 | temp |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT); | |
2202 | temp &= ~(RADEON_GRPH_START_REQ_MASK); | |
2203 | if ((rdev->family == CHIP_R350) && | |
2204 | (stop_req > 0x15)) { | |
2205 | stop_req -= 0x10; | |
2206 | } | |
2207 | temp |= (stop_req << RADEON_GRPH_START_REQ_SHIFT); | |
2208 | temp |= RADEON_GRPH_BUFFER_SIZE; | |
2209 | temp &= ~(RADEON_GRPH_CRITICAL_CNTL | | |
2210 | RADEON_GRPH_CRITICAL_AT_SOF | | |
2211 | RADEON_GRPH_STOP_CNTL); | |
2212 | /* | |
2213 | Write the result into the register. | |
2214 | */ | |
2215 | WREG32(RADEON_GRPH_BUFFER_CNTL, ((temp & ~RADEON_GRPH_CRITICAL_POINT_MASK) | | |
2216 | (critical_point << RADEON_GRPH_CRITICAL_POINT_SHIFT))); | |
2217 | ||
2218 | #if 0 | |
2219 | if ((rdev->family == CHIP_RS400) || | |
2220 | (rdev->family == CHIP_RS480)) { | |
2221 | /* attempt to program RS400 disp regs correctly ??? */ | |
2222 | temp = RREG32(RS400_DISP1_REG_CNTL); | |
2223 | temp &= ~(RS400_DISP1_START_REQ_LEVEL_MASK | | |
2224 | RS400_DISP1_STOP_REQ_LEVEL_MASK); | |
2225 | WREG32(RS400_DISP1_REQ_CNTL1, (temp | | |
2226 | (critical_point << RS400_DISP1_START_REQ_LEVEL_SHIFT) | | |
2227 | (critical_point << RS400_DISP1_STOP_REQ_LEVEL_SHIFT))); | |
2228 | temp = RREG32(RS400_DMIF_MEM_CNTL1); | |
2229 | temp &= ~(RS400_DISP1_CRITICAL_POINT_START_MASK | | |
2230 | RS400_DISP1_CRITICAL_POINT_STOP_MASK); | |
2231 | WREG32(RS400_DMIF_MEM_CNTL1, (temp | | |
2232 | (critical_point << RS400_DISP1_CRITICAL_POINT_START_SHIFT) | | |
2233 | (critical_point << RS400_DISP1_CRITICAL_POINT_STOP_SHIFT))); | |
2234 | } | |
2235 | #endif | |
2236 | ||
2237 | DRM_DEBUG("GRPH_BUFFER_CNTL from to %x\n", | |
2238 | /* (unsigned int)info->SavedReg->grph_buffer_cntl, */ | |
2239 | (unsigned int)RREG32(RADEON_GRPH_BUFFER_CNTL)); | |
2240 | } | |
2241 | ||
2242 | if (mode2) { | |
2243 | u32 grph2_cntl; | |
2244 | stop_req = mode2->hdisplay * pixel_bytes2 / 16; | |
2245 | ||
2246 | if (stop_req > max_stop_req) | |
2247 | stop_req = max_stop_req; | |
2248 | ||
2249 | /* | |
2250 | Find the drain rate of the display buffer. | |
2251 | */ | |
2252 | temp_ff.full = rfixed_const((16/pixel_bytes2)); | |
2253 | disp_drain_rate2.full = rfixed_div(pix_clk2, temp_ff); | |
2254 | ||
2255 | grph2_cntl = RREG32(RADEON_GRPH2_BUFFER_CNTL); | |
2256 | grph2_cntl &= ~(RADEON_GRPH_STOP_REQ_MASK); | |
2257 | grph2_cntl |= (stop_req << RADEON_GRPH_STOP_REQ_SHIFT); | |
2258 | grph2_cntl &= ~(RADEON_GRPH_START_REQ_MASK); | |
2259 | if ((rdev->family == CHIP_R350) && | |
2260 | (stop_req > 0x15)) { | |
2261 | stop_req -= 0x10; | |
2262 | } | |
2263 | grph2_cntl |= (stop_req << RADEON_GRPH_START_REQ_SHIFT); | |
2264 | grph2_cntl |= RADEON_GRPH_BUFFER_SIZE; | |
2265 | grph2_cntl &= ~(RADEON_GRPH_CRITICAL_CNTL | | |
2266 | RADEON_GRPH_CRITICAL_AT_SOF | | |
2267 | RADEON_GRPH_STOP_CNTL); | |
2268 | ||
2269 | if ((rdev->family == CHIP_RS100) || | |
2270 | (rdev->family == CHIP_RS200)) | |
2271 | critical_point2 = 0; | |
2272 | else { | |
2273 | temp = (rdev->mc.vram_width * rdev->mc.vram_is_ddr + 1)/128; | |
2274 | temp_ff.full = rfixed_const(temp); | |
2275 | temp_ff.full = rfixed_mul(mclk_ff, temp_ff); | |
2276 | if (sclk_ff.full < temp_ff.full) | |
2277 | temp_ff.full = sclk_ff.full; | |
2278 | ||
2279 | read_return_rate.full = temp_ff.full; | |
2280 | ||
2281 | if (mode1) { | |
2282 | temp_ff.full = read_return_rate.full - disp_drain_rate.full; | |
2283 | time_disp1_drop_priority.full = rfixed_div(crit_point_ff, temp_ff); | |
2284 | } else { | |
2285 | time_disp1_drop_priority.full = 0; | |
2286 | } | |
2287 | crit_point_ff.full = disp_latency.full + time_disp1_drop_priority.full + disp_latency.full; | |
2288 | crit_point_ff.full = rfixed_mul(crit_point_ff, disp_drain_rate2); | |
2289 | crit_point_ff.full += rfixed_const_half(0); | |
2290 | ||
2291 | critical_point2 = rfixed_trunc(crit_point_ff); | |
2292 | ||
2293 | if (rdev->disp_priority == 2) { | |
2294 | critical_point2 = 0; | |
2295 | } | |
2296 | ||
2297 | if (max_stop_req - critical_point2 < 4) | |
2298 | critical_point2 = 0; | |
2299 | ||
2300 | } | |
2301 | ||
2302 | if (critical_point2 == 0 && rdev->family == CHIP_R300) { | |
2303 | /* some R300 cards have problem with this set to 0 */ | |
2304 | critical_point2 = 0x10; | |
2305 | } | |
2306 | ||
2307 | WREG32(RADEON_GRPH2_BUFFER_CNTL, ((grph2_cntl & ~RADEON_GRPH_CRITICAL_POINT_MASK) | | |
2308 | (critical_point2 << RADEON_GRPH_CRITICAL_POINT_SHIFT))); | |
2309 | ||
2310 | if ((rdev->family == CHIP_RS400) || | |
2311 | (rdev->family == CHIP_RS480)) { | |
2312 | #if 0 | |
2313 | /* attempt to program RS400 disp2 regs correctly ??? */ | |
2314 | temp = RREG32(RS400_DISP2_REQ_CNTL1); | |
2315 | temp &= ~(RS400_DISP2_START_REQ_LEVEL_MASK | | |
2316 | RS400_DISP2_STOP_REQ_LEVEL_MASK); | |
2317 | WREG32(RS400_DISP2_REQ_CNTL1, (temp | | |
2318 | (critical_point2 << RS400_DISP1_START_REQ_LEVEL_SHIFT) | | |
2319 | (critical_point2 << RS400_DISP1_STOP_REQ_LEVEL_SHIFT))); | |
2320 | temp = RREG32(RS400_DISP2_REQ_CNTL2); | |
2321 | temp &= ~(RS400_DISP2_CRITICAL_POINT_START_MASK | | |
2322 | RS400_DISP2_CRITICAL_POINT_STOP_MASK); | |
2323 | WREG32(RS400_DISP2_REQ_CNTL2, (temp | | |
2324 | (critical_point2 << RS400_DISP2_CRITICAL_POINT_START_SHIFT) | | |
2325 | (critical_point2 << RS400_DISP2_CRITICAL_POINT_STOP_SHIFT))); | |
2326 | #endif | |
2327 | WREG32(RS400_DISP2_REQ_CNTL1, 0x105DC1CC); | |
2328 | WREG32(RS400_DISP2_REQ_CNTL2, 0x2749D000); | |
2329 | WREG32(RS400_DMIF_MEM_CNTL1, 0x29CA71DC); | |
2330 | WREG32(RS400_DISP1_REQ_CNTL1, 0x28FBC3AC); | |
2331 | } | |
2332 | ||
2333 | DRM_DEBUG("GRPH2_BUFFER_CNTL from to %x\n", | |
2334 | (unsigned int)RREG32(RADEON_GRPH2_BUFFER_CNTL)); | |
2335 | } | |
2336 | } |