1 /* r600_cp.c -- CP support for Radeon -*- linux-c -*- */
3 * Copyright 2008 Advanced Micro Devices, Inc.
4 * Copyright 2008 Red Hat Inc.
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:
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE COPYRIGHT HOLDER(S) AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23 * DEALINGS IN THE SOFTWARE.
26 * Dave Airlie <airlied@redhat.com>
27 * Alex Deucher <alexander.deucher@amd.com>
32 #include "radeon_drm.h"
33 #include "radeon_drv.h"
36 #include "r600_microcode.h"
38 # define ATI_PCIGART_PAGE_SIZE 4096 /**< PCI GART page size */
39 # define ATI_PCIGART_PAGE_MASK (~(ATI_PCIGART_PAGE_SIZE-1))
41 #define R600_PTE_VALID (1 << 0)
42 #define R600_PTE_SYSTEM (1 << 1)
43 #define R600_PTE_SNOOPED (1 << 2)
44 #define R600_PTE_READABLE (1 << 5)
45 #define R600_PTE_WRITEABLE (1 << 6)
47 /* MAX values used for gfx init */
48 #define R6XX_MAX_SH_GPRS 256
49 #define R6XX_MAX_TEMP_GPRS 16
50 #define R6XX_MAX_SH_THREADS 256
51 #define R6XX_MAX_SH_STACK_ENTRIES 4096
52 #define R6XX_MAX_BACKENDS 8
53 #define R6XX_MAX_BACKENDS_MASK 0xff
54 #define R6XX_MAX_SIMDS 8
55 #define R6XX_MAX_SIMDS_MASK 0xff
56 #define R6XX_MAX_PIPES 8
57 #define R6XX_MAX_PIPES_MASK 0xff
59 #define R7XX_MAX_SH_GPRS 256
60 #define R7XX_MAX_TEMP_GPRS 16
61 #define R7XX_MAX_SH_THREADS 256
62 #define R7XX_MAX_SH_STACK_ENTRIES 4096
63 #define R7XX_MAX_BACKENDS 8
64 #define R7XX_MAX_BACKENDS_MASK 0xff
65 #define R7XX_MAX_SIMDS 16
66 #define R7XX_MAX_SIMDS_MASK 0xffff
67 #define R7XX_MAX_PIPES 8
68 #define R7XX_MAX_PIPES_MASK 0xff
70 static int r600_do_wait_for_fifo(drm_radeon_private_t
*dev_priv
, int entries
)
74 dev_priv
->stats
.boxes
|= RADEON_BOX_WAIT_IDLE
;
76 for (i
= 0; i
< dev_priv
->usec_timeout
; i
++) {
78 if ((dev_priv
->flags
& RADEON_FAMILY_MASK
) >= CHIP_RV770
)
79 slots
= (RADEON_READ(R600_GRBM_STATUS
)
80 & R700_CMDFIFO_AVAIL_MASK
);
82 slots
= (RADEON_READ(R600_GRBM_STATUS
)
83 & R600_CMDFIFO_AVAIL_MASK
);
88 DRM_INFO("wait for fifo failed status : 0x%08X 0x%08X\n",
89 RADEON_READ(R600_GRBM_STATUS
),
90 RADEON_READ(R600_GRBM_STATUS2
));
95 static int r600_do_wait_for_idle(drm_radeon_private_t
*dev_priv
)
99 dev_priv
->stats
.boxes
|= RADEON_BOX_WAIT_IDLE
;
101 if ((dev_priv
->flags
& RADEON_FAMILY_MASK
) >= CHIP_RV770
)
102 ret
= r600_do_wait_for_fifo(dev_priv
, 8);
104 ret
= r600_do_wait_for_fifo(dev_priv
, 16);
107 for (i
= 0; i
< dev_priv
->usec_timeout
; i
++) {
108 if (!(RADEON_READ(R600_GRBM_STATUS
) & R600_GUI_ACTIVE
))
112 DRM_INFO("wait idle failed status : 0x%08X 0x%08X\n",
113 RADEON_READ(R600_GRBM_STATUS
),
114 RADEON_READ(R600_GRBM_STATUS2
));
119 void r600_page_table_cleanup(struct drm_device
*dev
, struct drm_ati_pcigart_info
*gart_info
)
122 struct drm_sg_mem
*entry
= dev
->sg
;
131 if (gart_info
->bus_addr
) {
133 max_pages
= (gart_info
->table_size
/ sizeof(u64
));
134 pages
= (entry
->pages
<= max_pages
)
135 ? entry
->pages
: max_pages
;
137 for (i
= 0; i
< pages
; i
++) {
138 if (!entry
->busaddr
[i
])
140 pci_unmap_page(dev
->pdev
, entry
->busaddr
[i
],
141 PAGE_SIZE
, PCI_DMA_BIDIRECTIONAL
);
144 if (gart_info
->gart_table_location
== DRM_ATI_GART_MAIN
)
145 gart_info
->bus_addr
= 0;
149 /* R600 has page table setup */
150 int r600_page_table_init(struct drm_device
*dev
)
152 drm_radeon_private_t
*dev_priv
= dev
->dev_private
;
153 struct drm_ati_pcigart_info
*gart_info
= &dev_priv
->gart_info
;
154 struct drm_sg_mem
*entry
= dev
->sg
;
157 int max_pages
, pages
;
158 u64
*pci_gart
, page_base
;
159 dma_addr_t entry_addr
;
161 /* okay page table is available - lets rock */
163 /* PTEs are 64-bits */
164 pci_gart
= (u64
*)gart_info
->addr
;
166 max_pages
= (gart_info
->table_size
/ sizeof(u64
));
167 pages
= (entry
->pages
<= max_pages
) ? entry
->pages
: max_pages
;
169 memset(pci_gart
, 0, max_pages
* sizeof(u64
));
171 for (i
= 0; i
< pages
; i
++) {
173 entry
->busaddr
[i
] = pci_map_page(dev
->pdev
,
174 entry
->pagelist
[i
], 0,
175 PAGE_SIZE
, PCI_DMA_BIDIRECTIONAL
);
176 if (entry
->busaddr
[i
] == 0) {
177 DRM_ERROR("unable to map PCIGART pages!\n");
178 r600_page_table_cleanup(dev
, gart_info
);
182 entry_addr
= entry
->busaddr
[i
];
183 for (j
= 0; j
< (PAGE_SIZE
/ ATI_PCIGART_PAGE_SIZE
); j
++) {
184 page_base
= (u64
) entry_addr
& ATI_PCIGART_PAGE_MASK
;
185 page_base
|= R600_PTE_VALID
| R600_PTE_SYSTEM
| R600_PTE_SNOOPED
;
186 page_base
|= R600_PTE_READABLE
| R600_PTE_WRITEABLE
;
188 *pci_gart
= page_base
;
191 DRM_DEBUG("page entry %d: 0x%016llx\n",
192 i
, (unsigned long long)page_base
);
194 entry_addr
+= ATI_PCIGART_PAGE_SIZE
;
204 static void r600_vm_flush_gart_range(struct drm_device
*dev
)
206 drm_radeon_private_t
*dev_priv
= dev
->dev_private
;
207 u32 resp
, countdown
= 1000;
208 RADEON_WRITE(R600_VM_CONTEXT0_INVALIDATION_LOW_ADDR
, dev_priv
->gart_vm_start
>> 12);
209 RADEON_WRITE(R600_VM_CONTEXT0_INVALIDATION_HIGH_ADDR
, (dev_priv
->gart_vm_start
+ dev_priv
->gart_size
- 1) >> 12);
210 RADEON_WRITE(R600_VM_CONTEXT0_REQUEST_RESPONSE
, 2);
213 resp
= RADEON_READ(R600_VM_CONTEXT0_REQUEST_RESPONSE
);
216 } while (((resp
& 0xf0) == 0) && countdown
);
219 static void r600_vm_init(struct drm_device
*dev
)
221 drm_radeon_private_t
*dev_priv
= dev
->dev_private
;
222 /* initialise the VM to use the page table we constructed up there */
225 u32 vm_l2_cntl
, vm_l2_cntl3
;
226 /* okay set up the PCIE aperture type thingo */
227 RADEON_WRITE(R600_MC_VM_SYSTEM_APERTURE_LOW_ADDR
, dev_priv
->gart_vm_start
>> 12);
228 RADEON_WRITE(R600_MC_VM_SYSTEM_APERTURE_HIGH_ADDR
, (dev_priv
->gart_vm_start
+ dev_priv
->gart_size
- 1) >> 12);
229 RADEON_WRITE(R600_MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR
, 0);
232 mc_rd_a
= R600_MCD_L1_TLB
| R600_MCD_L1_FRAG_PROC
| R600_MCD_SYSTEM_ACCESS_MODE_IN_SYS
|
233 R600_MCD_SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU
| R600_MCD_EFFECTIVE_L1_TLB_SIZE(5) |
234 R600_MCD_EFFECTIVE_L1_QUEUE_SIZE(5) | R600_MCD_WAIT_L2_QUERY
;
236 RADEON_WRITE(R600_MCD_RD_A_CNTL
, mc_rd_a
);
237 RADEON_WRITE(R600_MCD_RD_B_CNTL
, mc_rd_a
);
239 RADEON_WRITE(R600_MCD_WR_A_CNTL
, mc_rd_a
);
240 RADEON_WRITE(R600_MCD_WR_B_CNTL
, mc_rd_a
);
242 RADEON_WRITE(R600_MCD_RD_GFX_CNTL
, mc_rd_a
);
243 RADEON_WRITE(R600_MCD_WR_GFX_CNTL
, mc_rd_a
);
245 RADEON_WRITE(R600_MCD_RD_SYS_CNTL
, mc_rd_a
);
246 RADEON_WRITE(R600_MCD_WR_SYS_CNTL
, mc_rd_a
);
248 RADEON_WRITE(R600_MCD_RD_HDP_CNTL
, mc_rd_a
| R600_MCD_L1_STRICT_ORDERING
);
249 RADEON_WRITE(R600_MCD_WR_HDP_CNTL
, mc_rd_a
/*| R600_MCD_L1_STRICT_ORDERING*/);
251 RADEON_WRITE(R600_MCD_RD_PDMA_CNTL
, mc_rd_a
);
252 RADEON_WRITE(R600_MCD_WR_PDMA_CNTL
, mc_rd_a
);
254 RADEON_WRITE(R600_MCD_RD_SEM_CNTL
, mc_rd_a
| R600_MCD_SEMAPHORE_MODE
);
255 RADEON_WRITE(R600_MCD_WR_SEM_CNTL
, mc_rd_a
);
257 vm_l2_cntl
= R600_VM_L2_CACHE_EN
| R600_VM_L2_FRAG_PROC
| R600_VM_ENABLE_PTE_CACHE_LRU_W
;
258 vm_l2_cntl
|= R600_VM_L2_CNTL_QUEUE_SIZE(7);
259 RADEON_WRITE(R600_VM_L2_CNTL
, vm_l2_cntl
);
261 RADEON_WRITE(R600_VM_L2_CNTL2
, 0);
262 vm_l2_cntl3
= R600_VM_L2_CNTL3_BANK_SELECT_0(0) |
263 R600_VM_L2_CNTL3_BANK_SELECT_1(1) |
264 R600_VM_L2_CNTL3_CACHE_UPDATE_MODE(2);
265 RADEON_WRITE(R600_VM_L2_CNTL3
, vm_l2_cntl3
);
267 vm_c0
= R600_VM_ENABLE_CONTEXT
| R600_VM_PAGE_TABLE_DEPTH_FLAT
;
269 RADEON_WRITE(R600_VM_CONTEXT0_CNTL
, vm_c0
);
271 vm_c0
&= ~R600_VM_ENABLE_CONTEXT
;
273 /* disable all other contexts */
274 for (i
= 1; i
< 8; i
++)
275 RADEON_WRITE(R600_VM_CONTEXT0_CNTL
+ (i
* 4), vm_c0
);
277 RADEON_WRITE(R600_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR
, dev_priv
->gart_info
.bus_addr
>> 12);
278 RADEON_WRITE(R600_VM_CONTEXT0_PAGE_TABLE_START_ADDR
, dev_priv
->gart_vm_start
>> 12);
279 RADEON_WRITE(R600_VM_CONTEXT0_PAGE_TABLE_END_ADDR
, (dev_priv
->gart_vm_start
+ dev_priv
->gart_size
- 1) >> 12);
281 r600_vm_flush_gart_range(dev
);
284 /* load r600 microcode */
285 static void r600_cp_load_microcode(drm_radeon_private_t
* dev_priv
)
291 switch (dev_priv
->flags
& RADEON_FAMILY_MASK
) {
293 DRM_INFO("Loading R600 Microcode\n");
294 cp
= R600_cp_microcode
;
295 pfp
= R600_pfp_microcode
;
298 DRM_INFO("Loading RV610 Microcode\n");
299 cp
= RV610_cp_microcode
;
300 pfp
= RV610_pfp_microcode
;
303 DRM_INFO("Loading RV630 Microcode\n");
304 cp
= RV630_cp_microcode
;
305 pfp
= RV630_pfp_microcode
;
308 DRM_INFO("Loading RV620 Microcode\n");
309 cp
= RV620_cp_microcode
;
310 pfp
= RV620_pfp_microcode
;
313 DRM_INFO("Loading RV635 Microcode\n");
314 cp
= RV635_cp_microcode
;
315 pfp
= RV635_pfp_microcode
;
318 DRM_INFO("Loading RV670 Microcode\n");
319 cp
= RV670_cp_microcode
;
320 pfp
= RV670_pfp_microcode
;
323 DRM_INFO("Loading RS780 Microcode\n");
324 cp
= RS780_cp_microcode
;
325 pfp
= RS780_pfp_microcode
;
331 r600_do_cp_stop(dev_priv
);
333 RADEON_WRITE(R600_CP_RB_CNTL
,
338 RADEON_WRITE(R600_GRBM_SOFT_RESET
, R600_SOFT_RESET_CP
);
339 RADEON_READ(R600_GRBM_SOFT_RESET
);
341 RADEON_WRITE(R600_GRBM_SOFT_RESET
, 0);
343 RADEON_WRITE(R600_CP_ME_RAM_WADDR
, 0);
345 for (i
= 0; i
< PM4_UCODE_SIZE
; i
++) {
346 RADEON_WRITE(R600_CP_ME_RAM_DATA
, cp
[i
][0]);
347 RADEON_WRITE(R600_CP_ME_RAM_DATA
, cp
[i
][1]);
348 RADEON_WRITE(R600_CP_ME_RAM_DATA
, cp
[i
][2]);
351 RADEON_WRITE(R600_CP_PFP_UCODE_ADDR
, 0);
352 for (i
= 0; i
< PFP_UCODE_SIZE
; i
++)
353 RADEON_WRITE(R600_CP_PFP_UCODE_DATA
, pfp
[i
]);
355 RADEON_WRITE(R600_CP_PFP_UCODE_ADDR
, 0);
356 RADEON_WRITE(R600_CP_ME_RAM_WADDR
, 0);
357 RADEON_WRITE(R600_CP_ME_RAM_RADDR
, 0);
361 static void r700_vm_init(struct drm_device
*dev
)
363 drm_radeon_private_t
*dev_priv
= dev
->dev_private
;
364 /* initialise the VM to use the page table we constructed up there */
367 u32 vm_l2_cntl
, vm_l2_cntl3
;
368 /* okay set up the PCIE aperture type thingo */
369 RADEON_WRITE(R700_MC_VM_SYSTEM_APERTURE_LOW_ADDR
, dev_priv
->gart_vm_start
>> 12);
370 RADEON_WRITE(R700_MC_VM_SYSTEM_APERTURE_HIGH_ADDR
, (dev_priv
->gart_vm_start
+ dev_priv
->gart_size
- 1) >> 12);
371 RADEON_WRITE(R700_MC_VM_SYSTEM_APERTURE_DEFAULT_ADDR
, 0);
373 mc_vm_md_l1
= R700_ENABLE_L1_TLB
|
374 R700_ENABLE_L1_FRAGMENT_PROCESSING
|
375 R700_SYSTEM_ACCESS_MODE_IN_SYS
|
376 R700_SYSTEM_APERTURE_UNMAPPED_ACCESS_PASS_THRU
|
377 R700_EFFECTIVE_L1_TLB_SIZE(5) |
378 R700_EFFECTIVE_L1_QUEUE_SIZE(5);
380 RADEON_WRITE(R700_MC_VM_MD_L1_TLB0_CNTL
, mc_vm_md_l1
);
381 RADEON_WRITE(R700_MC_VM_MD_L1_TLB1_CNTL
, mc_vm_md_l1
);
382 RADEON_WRITE(R700_MC_VM_MD_L1_TLB2_CNTL
, mc_vm_md_l1
);
383 RADEON_WRITE(R700_MC_VM_MB_L1_TLB0_CNTL
, mc_vm_md_l1
);
384 RADEON_WRITE(R700_MC_VM_MB_L1_TLB1_CNTL
, mc_vm_md_l1
);
385 RADEON_WRITE(R700_MC_VM_MB_L1_TLB2_CNTL
, mc_vm_md_l1
);
386 RADEON_WRITE(R700_MC_VM_MB_L1_TLB3_CNTL
, mc_vm_md_l1
);
388 vm_l2_cntl
= R600_VM_L2_CACHE_EN
| R600_VM_L2_FRAG_PROC
| R600_VM_ENABLE_PTE_CACHE_LRU_W
;
389 vm_l2_cntl
|= R700_VM_L2_CNTL_QUEUE_SIZE(7);
390 RADEON_WRITE(R600_VM_L2_CNTL
, vm_l2_cntl
);
392 RADEON_WRITE(R600_VM_L2_CNTL2
, 0);
393 vm_l2_cntl3
= R700_VM_L2_CNTL3_BANK_SELECT(0) |
394 R700_VM_L2_CNTL3_CACHE_UPDATE_MODE(2);
395 RADEON_WRITE(R600_VM_L2_CNTL3
, vm_l2_cntl3
);
397 vm_c0
= R600_VM_ENABLE_CONTEXT
| R600_VM_PAGE_TABLE_DEPTH_FLAT
;
399 RADEON_WRITE(R600_VM_CONTEXT0_CNTL
, vm_c0
);
401 vm_c0
&= ~R600_VM_ENABLE_CONTEXT
;
403 /* disable all other contexts */
404 for (i
= 1; i
< 8; i
++)
405 RADEON_WRITE(R600_VM_CONTEXT0_CNTL
+ (i
* 4), vm_c0
);
407 RADEON_WRITE(R700_VM_CONTEXT0_PAGE_TABLE_BASE_ADDR
, dev_priv
->gart_info
.bus_addr
>> 12);
408 RADEON_WRITE(R700_VM_CONTEXT0_PAGE_TABLE_START_ADDR
, dev_priv
->gart_vm_start
>> 12);
409 RADEON_WRITE(R700_VM_CONTEXT0_PAGE_TABLE_END_ADDR
, (dev_priv
->gart_vm_start
+ dev_priv
->gart_size
- 1) >> 12);
411 r600_vm_flush_gart_range(dev
);
414 /* load r600 microcode */
415 static void r700_cp_load_microcode(drm_radeon_private_t
* dev_priv
)
421 switch (dev_priv
->flags
& RADEON_FAMILY_MASK
) {
423 DRM_INFO("Loading RV770/RV790 Microcode\n");
424 pfp
= RV770_pfp_microcode
;
425 cp
= RV770_cp_microcode
;
428 DRM_INFO("Loading RV730 Microcode\n");
429 pfp
= RV730_pfp_microcode
;
430 cp
= RV730_cp_microcode
;
433 DRM_INFO("Loading RV710 Microcode\n");
434 pfp
= RV710_pfp_microcode
;
435 cp
= RV710_cp_microcode
;
441 r600_do_cp_stop(dev_priv
);
443 RADEON_WRITE(R600_CP_RB_CNTL
,
448 RADEON_WRITE(R600_GRBM_SOFT_RESET
, R600_SOFT_RESET_CP
);
449 RADEON_READ(R600_GRBM_SOFT_RESET
);
451 RADEON_WRITE(R600_GRBM_SOFT_RESET
, 0);
453 RADEON_WRITE(R600_CP_PFP_UCODE_ADDR
, 0);
454 for (i
= 0; i
< R700_PFP_UCODE_SIZE
; i
++)
455 RADEON_WRITE(R600_CP_PFP_UCODE_DATA
, pfp
[i
]);
456 RADEON_WRITE(R600_CP_PFP_UCODE_ADDR
, 0);
458 RADEON_WRITE(R600_CP_ME_RAM_WADDR
, 0);
459 for (i
= 0; i
< R700_PM4_UCODE_SIZE
; i
++)
460 RADEON_WRITE(R600_CP_ME_RAM_DATA
, cp
[i
]);
461 RADEON_WRITE(R600_CP_ME_RAM_WADDR
, 0);
463 RADEON_WRITE(R600_CP_PFP_UCODE_ADDR
, 0);
464 RADEON_WRITE(R600_CP_ME_RAM_WADDR
, 0);
465 RADEON_WRITE(R600_CP_ME_RAM_RADDR
, 0);
469 static void r600_test_writeback(drm_radeon_private_t
* dev_priv
)
473 /* Writeback doesn't seem to work everywhere, test it here and possibly
474 * enable it if it appears to work
476 DRM_WRITE32(dev_priv
->ring_rptr
, R600_SCRATCHOFF(1), 0);
477 RADEON_WRITE(R600_SCRATCH_REG1
, 0xdeadbeef);
479 for (tmp
= 0; tmp
< dev_priv
->usec_timeout
; tmp
++) {
480 if (DRM_READ32(dev_priv
->ring_rptr
, R600_SCRATCHOFF(1)) ==
486 if (tmp
< dev_priv
->usec_timeout
) {
487 dev_priv
->writeback_works
= 1;
488 DRM_INFO("writeback test succeeded in %d usecs\n", tmp
);
490 dev_priv
->writeback_works
= 0;
492 for (tmp
= 0; tmp
< 512; tmp
+=16 )
493 DRM_DEBUG("%d %x %x %x %x\n", tmp
, DRM_READ32(dev_priv
->ring_rptr
, tmp
),
494 DRM_READ32(dev_priv
->ring_rptr
, tmp
+ 4),
495 DRM_READ32(dev_priv
->ring_rptr
, tmp
+ 8),
496 DRM_READ32(dev_priv
->ring_rptr
, tmp
+ 16));
498 DRM_INFO("writeback test failed %x %x\n", DRM_READ32(dev_priv
->ring_rptr
, R600_SCRATCHOFF(1)), RADEON_READ(R600_SCRATCH_REG1
));
500 if (radeon_no_wb
== 1) {
501 dev_priv
->writeback_works
= 0;
502 DRM_INFO("writeback forced off\n");
505 if (!dev_priv
->writeback_works
) {
506 /* Disable writeback to avoid unnecessary bus master transfers */
507 RADEON_WRITE(R600_CP_RB_CNTL
, RADEON_READ(R600_CP_RB_CNTL
) | RADEON_RB_NO_UPDATE
);
508 RADEON_WRITE(R600_SCRATCH_UMSK
, 0);
512 int r600_do_engine_reset(struct drm_device
* dev
)
514 drm_radeon_private_t
*dev_priv
= dev
->dev_private
;
515 u32 cp_ptr
, cp_me_cntl
, cp_rb_cntl
;
517 DRM_INFO("Resetting GPU\n");
519 cp_ptr
= RADEON_READ(R600_CP_RB_WPTR
);
520 cp_me_cntl
= RADEON_READ(R600_CP_ME_CNTL
);
521 RADEON_WRITE(R600_CP_ME_CNTL
, R600_CP_ME_HALT
);
523 RADEON_WRITE(R600_GRBM_SOFT_RESET
, 0x7fff);
524 RADEON_READ(R600_GRBM_SOFT_RESET
);
526 RADEON_WRITE(R600_GRBM_SOFT_RESET
, 0);
527 RADEON_READ(R600_GRBM_SOFT_RESET
);
529 RADEON_WRITE(R600_CP_RB_WPTR_DELAY
, 0);
530 cp_rb_cntl
= RADEON_READ(R600_CP_RB_CNTL
);
531 RADEON_WRITE(R600_CP_RB_CNTL
, R600_RB_RPTR_WR_ENA
);
533 RADEON_WRITE(R600_CP_RB_RPTR_WR
, cp_ptr
);
534 RADEON_WRITE(R600_CP_RB_WPTR
, cp_ptr
);
535 RADEON_WRITE(R600_CP_RB_CNTL
, cp_rb_cntl
);
536 RADEON_WRITE(R600_CP_ME_CNTL
, cp_me_cntl
);
538 /* Reset the CP ring */
539 r600_do_cp_reset(dev_priv
);
541 /* The CP is no longer running after an engine reset */
542 dev_priv
->cp_running
= 0;
544 /* Reset any pending vertex, indirect buffers */
545 radeon_freelist_reset(dev
);
551 static u32
r600_get_tile_pipe_to_backend_map(u32 num_tile_pipes
,
553 u32 backend_disable_mask
)
556 u32 enabled_backends_mask
;
557 u32 enabled_backends_count
;
559 u32 swizzle_pipe
[R6XX_MAX_PIPES
];
563 if (num_tile_pipes
> R6XX_MAX_PIPES
)
564 num_tile_pipes
= R6XX_MAX_PIPES
;
565 if (num_tile_pipes
< 1)
567 if (num_backends
> R6XX_MAX_BACKENDS
)
568 num_backends
= R6XX_MAX_BACKENDS
;
569 if (num_backends
< 1)
572 enabled_backends_mask
= 0;
573 enabled_backends_count
= 0;
574 for (i
= 0; i
< R6XX_MAX_BACKENDS
; ++i
) {
575 if (((backend_disable_mask
>> i
) & 1) == 0) {
576 enabled_backends_mask
|= (1 << i
);
577 ++enabled_backends_count
;
579 if (enabled_backends_count
== num_backends
)
583 if (enabled_backends_count
== 0) {
584 enabled_backends_mask
= 1;
585 enabled_backends_count
= 1;
588 if (enabled_backends_count
!= num_backends
)
589 num_backends
= enabled_backends_count
;
591 memset((uint8_t *)&swizzle_pipe
[0], 0, sizeof(u32
) * R6XX_MAX_PIPES
);
592 switch (num_tile_pipes
) {
648 for (cur_pipe
=0; cur_pipe
<num_tile_pipes
; ++cur_pipe
) {
649 while (((1 << cur_backend
) & enabled_backends_mask
) == 0)
650 cur_backend
= (cur_backend
+ 1) % R6XX_MAX_BACKENDS
;
652 backend_map
|= (u32
)(((cur_backend
& 3) << (swizzle_pipe
[cur_pipe
] * 2)));
654 cur_backend
= (cur_backend
+ 1) % R6XX_MAX_BACKENDS
;
660 static int r600_count_pipe_bits (uint32_t val
)
663 for (i
= 0; i
< 32; i
++) {
670 static void r600_gfx_init(struct drm_device
* dev
,
671 drm_radeon_private_t
* dev_priv
)
673 int i
, j
, num_qd_pipes
;
677 u32 num_gs_verts_per_thread
;
679 u32 gs_prim_buffer_depth
= 0;
680 u32 sq_ms_fifo_sizes
;
682 u32 sq_gpr_resource_mgmt_1
= 0;
683 u32 sq_gpr_resource_mgmt_2
= 0;
684 u32 sq_thread_resource_mgmt
= 0;
685 u32 sq_stack_resource_mgmt_1
= 0;
686 u32 sq_stack_resource_mgmt_2
= 0;
687 u32 hdp_host_path_cntl
;
689 u32 gb_tiling_config
= 0;
690 u32 cc_rb_backend_disable
= 0;
691 u32 cc_gc_shader_pipe_config
= 0;
694 /* setup chip specs */
695 switch (dev_priv
->flags
& RADEON_FAMILY_MASK
) {
697 dev_priv
->r600_max_pipes
= 4;
698 dev_priv
->r600_max_tile_pipes
= 8;
699 dev_priv
->r600_max_simds
= 4;
700 dev_priv
->r600_max_backends
= 4;
701 dev_priv
->r600_max_gprs
= 256;
702 dev_priv
->r600_max_threads
= 192;
703 dev_priv
->r600_max_stack_entries
= 256;
704 dev_priv
->r600_max_hw_contexts
= 8;
705 dev_priv
->r600_max_gs_threads
= 16;
706 dev_priv
->r600_sx_max_export_size
= 128;
707 dev_priv
->r600_sx_max_export_pos_size
= 16;
708 dev_priv
->r600_sx_max_export_smx_size
= 128;
709 dev_priv
->r600_sq_num_cf_insts
= 2;
713 dev_priv
->r600_max_pipes
= 2;
714 dev_priv
->r600_max_tile_pipes
= 2;
715 dev_priv
->r600_max_simds
= 3;
716 dev_priv
->r600_max_backends
= 1;
717 dev_priv
->r600_max_gprs
= 128;
718 dev_priv
->r600_max_threads
= 192;
719 dev_priv
->r600_max_stack_entries
= 128;
720 dev_priv
->r600_max_hw_contexts
= 8;
721 dev_priv
->r600_max_gs_threads
= 4;
722 dev_priv
->r600_sx_max_export_size
= 128;
723 dev_priv
->r600_sx_max_export_pos_size
= 16;
724 dev_priv
->r600_sx_max_export_smx_size
= 128;
725 dev_priv
->r600_sq_num_cf_insts
= 2;
730 dev_priv
->r600_max_pipes
= 1;
731 dev_priv
->r600_max_tile_pipes
= 1;
732 dev_priv
->r600_max_simds
= 2;
733 dev_priv
->r600_max_backends
= 1;
734 dev_priv
->r600_max_gprs
= 128;
735 dev_priv
->r600_max_threads
= 192;
736 dev_priv
->r600_max_stack_entries
= 128;
737 dev_priv
->r600_max_hw_contexts
= 4;
738 dev_priv
->r600_max_gs_threads
= 4;
739 dev_priv
->r600_sx_max_export_size
= 128;
740 dev_priv
->r600_sx_max_export_pos_size
= 16;
741 dev_priv
->r600_sx_max_export_smx_size
= 128;
742 dev_priv
->r600_sq_num_cf_insts
= 1;
745 dev_priv
->r600_max_pipes
= 4;
746 dev_priv
->r600_max_tile_pipes
= 4;
747 dev_priv
->r600_max_simds
= 4;
748 dev_priv
->r600_max_backends
= 4;
749 dev_priv
->r600_max_gprs
= 192;
750 dev_priv
->r600_max_threads
= 192;
751 dev_priv
->r600_max_stack_entries
= 256;
752 dev_priv
->r600_max_hw_contexts
= 8;
753 dev_priv
->r600_max_gs_threads
= 16;
754 dev_priv
->r600_sx_max_export_size
= 128;
755 dev_priv
->r600_sx_max_export_pos_size
= 16;
756 dev_priv
->r600_sx_max_export_smx_size
= 128;
757 dev_priv
->r600_sq_num_cf_insts
= 2;
765 for (i
= 0; i
< 32; i
++) {
766 RADEON_WRITE((0x2c14 + j
), 0x00000000);
767 RADEON_WRITE((0x2c18 + j
), 0x00000000);
768 RADEON_WRITE((0x2c1c + j
), 0x00000000);
769 RADEON_WRITE((0x2c20 + j
), 0x00000000);
770 RADEON_WRITE((0x2c24 + j
), 0x00000000);
774 RADEON_WRITE(R600_GRBM_CNTL
, R600_GRBM_READ_TIMEOUT(0xff));
776 /* setup tiling, simd, pipe config */
777 ramcfg
= RADEON_READ(R600_RAMCFG
);
779 switch (dev_priv
->r600_max_tile_pipes
) {
781 gb_tiling_config
|= R600_PIPE_TILING(0);
784 gb_tiling_config
|= R600_PIPE_TILING(1);
787 gb_tiling_config
|= R600_PIPE_TILING(2);
790 gb_tiling_config
|= R600_PIPE_TILING(3);
796 gb_tiling_config
|= R600_BANK_TILING((ramcfg
>> R600_NOOFBANK_SHIFT
) & R600_NOOFBANK_MASK
);
798 gb_tiling_config
|= R600_GROUP_SIZE(0);
800 if (((ramcfg
>> R600_NOOFROWS_SHIFT
) & R600_NOOFROWS_MASK
) > 3) {
801 gb_tiling_config
|= R600_ROW_TILING(3);
802 gb_tiling_config
|= R600_SAMPLE_SPLIT(3);
805 R600_ROW_TILING(((ramcfg
>> R600_NOOFROWS_SHIFT
) & R600_NOOFROWS_MASK
));
807 R600_SAMPLE_SPLIT(((ramcfg
>> R600_NOOFROWS_SHIFT
) & R600_NOOFROWS_MASK
));
810 gb_tiling_config
|= R600_BANK_SWAPS(1);
812 backend_map
= r600_get_tile_pipe_to_backend_map(dev_priv
->r600_max_tile_pipes
,
813 dev_priv
->r600_max_backends
,
814 (0xff << dev_priv
->r600_max_backends
) & 0xff);
815 gb_tiling_config
|= R600_BACKEND_MAP(backend_map
);
817 cc_gc_shader_pipe_config
=
818 R600_INACTIVE_QD_PIPES((R6XX_MAX_PIPES_MASK
<< dev_priv
->r600_max_pipes
) & R6XX_MAX_PIPES_MASK
);
819 cc_gc_shader_pipe_config
|=
820 R600_INACTIVE_SIMDS((R6XX_MAX_SIMDS_MASK
<< dev_priv
->r600_max_simds
) & R6XX_MAX_SIMDS_MASK
);
822 cc_rb_backend_disable
=
823 R600_BACKEND_DISABLE((R6XX_MAX_BACKENDS_MASK
<< dev_priv
->r600_max_backends
) & R6XX_MAX_BACKENDS_MASK
);
825 RADEON_WRITE(R600_GB_TILING_CONFIG
, gb_tiling_config
);
826 RADEON_WRITE(R600_DCP_TILING_CONFIG
, (gb_tiling_config
& 0xffff));
827 RADEON_WRITE(R600_HDP_TILING_CONFIG
, (gb_tiling_config
& 0xffff));
829 RADEON_WRITE(R600_CC_RB_BACKEND_DISABLE
, cc_rb_backend_disable
);
830 RADEON_WRITE(R600_CC_GC_SHADER_PIPE_CONFIG
, cc_gc_shader_pipe_config
);
831 RADEON_WRITE(R600_GC_USER_SHADER_PIPE_CONFIG
, cc_gc_shader_pipe_config
);
834 R6XX_MAX_BACKENDS
- r600_count_pipe_bits(cc_gc_shader_pipe_config
& R600_INACTIVE_QD_PIPES_MASK
);
835 RADEON_WRITE(R600_VGT_OUT_DEALLOC_CNTL
, (num_qd_pipes
* 4) & R600_DEALLOC_DIST_MASK
);
836 RADEON_WRITE(R600_VGT_VERTEX_REUSE_BLOCK_CNTL
, ((num_qd_pipes
* 4) - 2) & R600_VTX_REUSE_DEPTH_MASK
);
838 /* set HW defaults for 3D engine */
839 RADEON_WRITE(R600_CP_QUEUE_THRESHOLDS
, (R600_ROQ_IB1_START(0x16) |
840 R600_ROQ_IB2_START(0x2b)));
842 RADEON_WRITE(R600_CP_MEQ_THRESHOLDS
, (R600_MEQ_END(0x40) |
843 R600_ROQ_END(0x40)));
845 RADEON_WRITE(R600_TA_CNTL_AUX
, (R600_DISABLE_CUBE_ANISO
|
850 if ((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_RV670
)
851 RADEON_WRITE(R600_ARB_GDEC_RD_CNTL
, 0x00000021);
853 sx_debug_1
= RADEON_READ(R600_SX_DEBUG_1
);
854 sx_debug_1
|= R600_SMX_EVENT_RELEASE
;
855 if (((dev_priv
->flags
& RADEON_FAMILY_MASK
) > CHIP_R600
))
856 sx_debug_1
|= R600_ENABLE_NEW_SMX_ADDRESS
;
857 RADEON_WRITE(R600_SX_DEBUG_1
, sx_debug_1
);
859 if (((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_R600
) ||
860 ((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_RV630
) ||
861 ((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_RV610
) ||
862 ((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_RV620
) ||
863 ((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_RS780
))
864 RADEON_WRITE(R600_DB_DEBUG
, R600_PREZ_MUST_WAIT_FOR_POSTZ_DONE
);
866 RADEON_WRITE(R600_DB_DEBUG
, 0);
868 RADEON_WRITE(R600_DB_WATERMARKS
, (R600_DEPTH_FREE(4) |
869 R600_DEPTH_FLUSH(16) |
870 R600_DEPTH_PENDING_FREE(4) |
871 R600_DEPTH_CACHELINE_FREE(16)));
872 RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL
, 0);
873 RADEON_WRITE(R600_VGT_NUM_INSTANCES
, 0);
875 RADEON_WRITE(R600_SPI_CONFIG_CNTL
, R600_GPR_WRITE_PRIORITY(0));
876 RADEON_WRITE(R600_SPI_CONFIG_CNTL_1
, R600_VTX_DONE_DELAY(0));
878 sq_ms_fifo_sizes
= RADEON_READ(R600_SQ_MS_FIFO_SIZES
);
879 if (((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_RV610
) ||
880 ((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_RV620
) ||
881 ((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_RS780
)) {
882 sq_ms_fifo_sizes
= (R600_CACHE_FIFO_SIZE(0xa) |
883 R600_FETCH_FIFO_HIWATER(0xa) |
884 R600_DONE_FIFO_HIWATER(0xe0) |
885 R600_ALU_UPDATE_FIFO_HIWATER(0x8));
886 } else if (((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_R600
) ||
887 ((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_RV630
)) {
888 sq_ms_fifo_sizes
&= ~R600_DONE_FIFO_HIWATER(0xff);
889 sq_ms_fifo_sizes
|= R600_DONE_FIFO_HIWATER(0x4);
891 RADEON_WRITE(R600_SQ_MS_FIFO_SIZES
, sq_ms_fifo_sizes
);
893 /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
894 * should be adjusted as needed by the 2D/3D drivers. This just sets default values
896 sq_config
= RADEON_READ(R600_SQ_CONFIG
);
897 sq_config
&= ~(R600_PS_PRIO(3) |
901 sq_config
|= (R600_DX9_CONSTS
|
908 if ((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_R600
) {
909 sq_gpr_resource_mgmt_1
= (R600_NUM_PS_GPRS(124) |
910 R600_NUM_VS_GPRS(124) |
911 R600_NUM_CLAUSE_TEMP_GPRS(4));
912 sq_gpr_resource_mgmt_2
= (R600_NUM_GS_GPRS(0) |
913 R600_NUM_ES_GPRS(0));
914 sq_thread_resource_mgmt
= (R600_NUM_PS_THREADS(136) |
915 R600_NUM_VS_THREADS(48) |
916 R600_NUM_GS_THREADS(4) |
917 R600_NUM_ES_THREADS(4));
918 sq_stack_resource_mgmt_1
= (R600_NUM_PS_STACK_ENTRIES(128) |
919 R600_NUM_VS_STACK_ENTRIES(128));
920 sq_stack_resource_mgmt_2
= (R600_NUM_GS_STACK_ENTRIES(0) |
921 R600_NUM_ES_STACK_ENTRIES(0));
922 } else if (((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_RV610
) ||
923 ((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_RV620
) ||
924 ((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_RS780
)) {
925 /* no vertex cache */
926 sq_config
&= ~R600_VC_ENABLE
;
928 sq_gpr_resource_mgmt_1
= (R600_NUM_PS_GPRS(44) |
929 R600_NUM_VS_GPRS(44) |
930 R600_NUM_CLAUSE_TEMP_GPRS(2));
931 sq_gpr_resource_mgmt_2
= (R600_NUM_GS_GPRS(17) |
932 R600_NUM_ES_GPRS(17));
933 sq_thread_resource_mgmt
= (R600_NUM_PS_THREADS(79) |
934 R600_NUM_VS_THREADS(78) |
935 R600_NUM_GS_THREADS(4) |
936 R600_NUM_ES_THREADS(31));
937 sq_stack_resource_mgmt_1
= (R600_NUM_PS_STACK_ENTRIES(40) |
938 R600_NUM_VS_STACK_ENTRIES(40));
939 sq_stack_resource_mgmt_2
= (R600_NUM_GS_STACK_ENTRIES(32) |
940 R600_NUM_ES_STACK_ENTRIES(16));
941 } else if (((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_RV630
) ||
942 ((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_RV635
)){
943 sq_gpr_resource_mgmt_1
= (R600_NUM_PS_GPRS(44) |
944 R600_NUM_VS_GPRS(44) |
945 R600_NUM_CLAUSE_TEMP_GPRS(2));
946 sq_gpr_resource_mgmt_2
= (R600_NUM_GS_GPRS(18) |
947 R600_NUM_ES_GPRS(18));
948 sq_thread_resource_mgmt
= (R600_NUM_PS_THREADS(79) |
949 R600_NUM_VS_THREADS(78) |
950 R600_NUM_GS_THREADS(4) |
951 R600_NUM_ES_THREADS(31));
952 sq_stack_resource_mgmt_1
= (R600_NUM_PS_STACK_ENTRIES(40) |
953 R600_NUM_VS_STACK_ENTRIES(40));
954 sq_stack_resource_mgmt_2
= (R600_NUM_GS_STACK_ENTRIES(32) |
955 R600_NUM_ES_STACK_ENTRIES(16));
956 } else if ((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_RV670
) {
957 sq_gpr_resource_mgmt_1
= (R600_NUM_PS_GPRS(44) |
958 R600_NUM_VS_GPRS(44) |
959 R600_NUM_CLAUSE_TEMP_GPRS(2));
960 sq_gpr_resource_mgmt_2
= (R600_NUM_GS_GPRS(17) |
961 R600_NUM_ES_GPRS(17));
962 sq_thread_resource_mgmt
= (R600_NUM_PS_THREADS(79) |
963 R600_NUM_VS_THREADS(78) |
964 R600_NUM_GS_THREADS(4) |
965 R600_NUM_ES_THREADS(31));
966 sq_stack_resource_mgmt_1
= (R600_NUM_PS_STACK_ENTRIES(64) |
967 R600_NUM_VS_STACK_ENTRIES(64));
968 sq_stack_resource_mgmt_2
= (R600_NUM_GS_STACK_ENTRIES(64) |
969 R600_NUM_ES_STACK_ENTRIES(64));
972 RADEON_WRITE(R600_SQ_CONFIG
, sq_config
);
973 RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_1
, sq_gpr_resource_mgmt_1
);
974 RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_2
, sq_gpr_resource_mgmt_2
);
975 RADEON_WRITE(R600_SQ_THREAD_RESOURCE_MGMT
, sq_thread_resource_mgmt
);
976 RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_1
, sq_stack_resource_mgmt_1
);
977 RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_2
, sq_stack_resource_mgmt_2
);
979 if (((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_RV610
) ||
980 ((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_RV620
) ||
981 ((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_RS780
))
982 RADEON_WRITE(R600_VGT_CACHE_INVALIDATION
, R600_CACHE_INVALIDATION(R600_TC_ONLY
));
984 RADEON_WRITE(R600_VGT_CACHE_INVALIDATION
, R600_CACHE_INVALIDATION(R600_VC_AND_TC
));
986 RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_2S
, (R600_S0_X(0xc) |
990 RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_4S
, (R600_S0_X(0xe) |
998 RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_8S_WD0
, (R600_S0_X(0xe) |
1006 RADEON_WRITE(R600_PA_SC_AA_SAMPLE_LOCS_8S_WD1
, (R600_S4_X(0x6) |
1015 switch (dev_priv
->flags
& RADEON_FAMILY_MASK
) {
1019 gs_prim_buffer_depth
= 0;
1024 gs_prim_buffer_depth
= 32;
1027 gs_prim_buffer_depth
= 128;
1033 num_gs_verts_per_thread
= dev_priv
->r600_max_pipes
* 16;
1034 vgt_gs_per_es
= gs_prim_buffer_depth
+ num_gs_verts_per_thread
;
1035 /* Max value for this is 256 */
1036 if (vgt_gs_per_es
> 256)
1037 vgt_gs_per_es
= 256;
1039 RADEON_WRITE(R600_VGT_ES_PER_GS
, 128);
1040 RADEON_WRITE(R600_VGT_GS_PER_ES
, vgt_gs_per_es
);
1041 RADEON_WRITE(R600_VGT_GS_PER_VS
, 2);
1042 RADEON_WRITE(R600_VGT_GS_VERTEX_REUSE
, 16);
1044 /* more default values. 2D/3D driver should adjust as needed */
1045 RADEON_WRITE(R600_PA_SC_LINE_STIPPLE_STATE
, 0);
1046 RADEON_WRITE(R600_VGT_STRMOUT_EN
, 0);
1047 RADEON_WRITE(R600_SX_MISC
, 0);
1048 RADEON_WRITE(R600_PA_SC_MODE_CNTL
, 0);
1049 RADEON_WRITE(R600_PA_SC_AA_CONFIG
, 0);
1050 RADEON_WRITE(R600_PA_SC_LINE_STIPPLE
, 0);
1051 RADEON_WRITE(R600_SPI_INPUT_Z
, 0);
1052 RADEON_WRITE(R600_SPI_PS_IN_CONTROL_0
, R600_NUM_INTERP(2));
1053 RADEON_WRITE(R600_CB_COLOR7_FRAG
, 0);
1055 /* clear render buffer base addresses */
1056 RADEON_WRITE(R600_CB_COLOR0_BASE
, 0);
1057 RADEON_WRITE(R600_CB_COLOR1_BASE
, 0);
1058 RADEON_WRITE(R600_CB_COLOR2_BASE
, 0);
1059 RADEON_WRITE(R600_CB_COLOR3_BASE
, 0);
1060 RADEON_WRITE(R600_CB_COLOR4_BASE
, 0);
1061 RADEON_WRITE(R600_CB_COLOR5_BASE
, 0);
1062 RADEON_WRITE(R600_CB_COLOR6_BASE
, 0);
1063 RADEON_WRITE(R600_CB_COLOR7_BASE
, 0);
1065 switch (dev_priv
->flags
& RADEON_FAMILY_MASK
) {
1069 tc_cntl
= R600_TC_L2_SIZE(8);
1073 tc_cntl
= R600_TC_L2_SIZE(4);
1076 tc_cntl
= R600_TC_L2_SIZE(0) | R600_L2_DISABLE_LATE_HIT
;
1079 tc_cntl
= R600_TC_L2_SIZE(0);
1083 RADEON_WRITE(R600_TC_CNTL
, tc_cntl
);
1085 hdp_host_path_cntl
= RADEON_READ(R600_HDP_HOST_PATH_CNTL
);
1086 RADEON_WRITE(R600_HDP_HOST_PATH_CNTL
, hdp_host_path_cntl
);
1088 arb_pop
= RADEON_READ(R600_ARB_POP
);
1089 arb_pop
|= R600_ENABLE_TC128
;
1090 RADEON_WRITE(R600_ARB_POP
, arb_pop
);
1092 RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL
, 0);
1093 RADEON_WRITE(R600_PA_CL_ENHANCE
, (R600_CLIP_VTX_REORDER_ENA
|
1094 R600_NUM_CLIP_SEQ(3)));
1095 RADEON_WRITE(R600_PA_SC_ENHANCE
, R600_FORCE_EOV_MAX_CLK_CNT(4095));
1099 static u32
r700_get_tile_pipe_to_backend_map(u32 num_tile_pipes
,
1101 u32 backend_disable_mask
)
1103 u32 backend_map
= 0;
1104 u32 enabled_backends_mask
;
1105 u32 enabled_backends_count
;
1107 u32 swizzle_pipe
[R7XX_MAX_PIPES
];
1111 if (num_tile_pipes
> R7XX_MAX_PIPES
)
1112 num_tile_pipes
= R7XX_MAX_PIPES
;
1113 if (num_tile_pipes
< 1)
1115 if (num_backends
> R7XX_MAX_BACKENDS
)
1116 num_backends
= R7XX_MAX_BACKENDS
;
1117 if (num_backends
< 1)
1120 enabled_backends_mask
= 0;
1121 enabled_backends_count
= 0;
1122 for (i
= 0; i
< R7XX_MAX_BACKENDS
; ++i
) {
1123 if (((backend_disable_mask
>> i
) & 1) == 0) {
1124 enabled_backends_mask
|= (1 << i
);
1125 ++enabled_backends_count
;
1127 if (enabled_backends_count
== num_backends
)
1131 if (enabled_backends_count
== 0) {
1132 enabled_backends_mask
= 1;
1133 enabled_backends_count
= 1;
1136 if (enabled_backends_count
!= num_backends
)
1137 num_backends
= enabled_backends_count
;
1139 memset((uint8_t *)&swizzle_pipe
[0], 0, sizeof(u32
) * R7XX_MAX_PIPES
);
1140 switch (num_tile_pipes
) {
1142 swizzle_pipe
[0] = 0;
1145 swizzle_pipe
[0] = 0;
1146 swizzle_pipe
[1] = 1;
1149 swizzle_pipe
[0] = 0;
1150 swizzle_pipe
[1] = 2;
1151 swizzle_pipe
[2] = 1;
1154 swizzle_pipe
[0] = 0;
1155 swizzle_pipe
[1] = 2;
1156 swizzle_pipe
[2] = 3;
1157 swizzle_pipe
[3] = 1;
1160 swizzle_pipe
[0] = 0;
1161 swizzle_pipe
[1] = 2;
1162 swizzle_pipe
[2] = 4;
1163 swizzle_pipe
[3] = 1;
1164 swizzle_pipe
[4] = 3;
1167 swizzle_pipe
[0] = 0;
1168 swizzle_pipe
[1] = 2;
1169 swizzle_pipe
[2] = 4;
1170 swizzle_pipe
[3] = 5;
1171 swizzle_pipe
[4] = 3;
1172 swizzle_pipe
[5] = 1;
1175 swizzle_pipe
[0] = 0;
1176 swizzle_pipe
[1] = 2;
1177 swizzle_pipe
[2] = 4;
1178 swizzle_pipe
[3] = 6;
1179 swizzle_pipe
[4] = 3;
1180 swizzle_pipe
[5] = 1;
1181 swizzle_pipe
[6] = 5;
1184 swizzle_pipe
[0] = 0;
1185 swizzle_pipe
[1] = 2;
1186 swizzle_pipe
[2] = 4;
1187 swizzle_pipe
[3] = 6;
1188 swizzle_pipe
[4] = 3;
1189 swizzle_pipe
[5] = 1;
1190 swizzle_pipe
[6] = 7;
1191 swizzle_pipe
[7] = 5;
1196 for (cur_pipe
= 0; cur_pipe
< num_tile_pipes
; ++cur_pipe
) {
1197 while (((1 << cur_backend
) & enabled_backends_mask
) == 0)
1198 cur_backend
= (cur_backend
+ 1) % R7XX_MAX_BACKENDS
;
1200 backend_map
|= (u32
)(((cur_backend
& 3) << (swizzle_pipe
[cur_pipe
] * 2)));
1202 cur_backend
= (cur_backend
+ 1) % R7XX_MAX_BACKENDS
;
1208 static void r700_gfx_init(struct drm_device
* dev
,
1209 drm_radeon_private_t
* dev_priv
)
1211 int i
, j
, num_qd_pipes
;
1214 u32 num_gs_verts_per_thread
;
1216 u32 gs_prim_buffer_depth
= 0;
1217 u32 sq_ms_fifo_sizes
;
1219 u32 sq_thread_resource_mgmt
;
1220 u32 hdp_host_path_cntl
;
1221 u32 sq_dyn_gpr_size_simd_ab_0
;
1223 u32 gb_tiling_config
= 0;
1224 u32 cc_rb_backend_disable
= 0;
1225 u32 cc_gc_shader_pipe_config
= 0;
1229 /* setup chip specs */
1230 switch (dev_priv
->flags
& RADEON_FAMILY_MASK
) {
1232 dev_priv
->r600_max_pipes
= 4;
1233 dev_priv
->r600_max_tile_pipes
= 8;
1234 dev_priv
->r600_max_simds
= 10;
1235 dev_priv
->r600_max_backends
= 4;
1236 dev_priv
->r600_max_gprs
= 256;
1237 dev_priv
->r600_max_threads
= 248;
1238 dev_priv
->r600_max_stack_entries
= 512;
1239 dev_priv
->r600_max_hw_contexts
= 8;
1240 dev_priv
->r600_max_gs_threads
= 16 * 2;
1241 dev_priv
->r600_sx_max_export_size
= 128;
1242 dev_priv
->r600_sx_max_export_pos_size
= 16;
1243 dev_priv
->r600_sx_max_export_smx_size
= 112;
1244 dev_priv
->r600_sq_num_cf_insts
= 2;
1246 dev_priv
->r700_sx_num_of_sets
= 7;
1247 dev_priv
->r700_sc_prim_fifo_size
= 0xF9;
1248 dev_priv
->r700_sc_hiz_tile_fifo_size
= 0x30;
1249 dev_priv
->r700_sc_earlyz_tile_fifo_fize
= 0x130;
1252 dev_priv
->r600_max_pipes
= 2;
1253 dev_priv
->r600_max_tile_pipes
= 4;
1254 dev_priv
->r600_max_simds
= 8;
1255 dev_priv
->r600_max_backends
= 2;
1256 dev_priv
->r600_max_gprs
= 128;
1257 dev_priv
->r600_max_threads
= 248;
1258 dev_priv
->r600_max_stack_entries
= 256;
1259 dev_priv
->r600_max_hw_contexts
= 8;
1260 dev_priv
->r600_max_gs_threads
= 16 * 2;
1261 dev_priv
->r600_sx_max_export_size
= 256;
1262 dev_priv
->r600_sx_max_export_pos_size
= 32;
1263 dev_priv
->r600_sx_max_export_smx_size
= 224;
1264 dev_priv
->r600_sq_num_cf_insts
= 2;
1266 dev_priv
->r700_sx_num_of_sets
= 7;
1267 dev_priv
->r700_sc_prim_fifo_size
= 0xf9;
1268 dev_priv
->r700_sc_hiz_tile_fifo_size
= 0x30;
1269 dev_priv
->r700_sc_earlyz_tile_fifo_fize
= 0x130;
1272 dev_priv
->r600_max_pipes
= 2;
1273 dev_priv
->r600_max_tile_pipes
= 2;
1274 dev_priv
->r600_max_simds
= 2;
1275 dev_priv
->r600_max_backends
= 1;
1276 dev_priv
->r600_max_gprs
= 256;
1277 dev_priv
->r600_max_threads
= 192;
1278 dev_priv
->r600_max_stack_entries
= 256;
1279 dev_priv
->r600_max_hw_contexts
= 4;
1280 dev_priv
->r600_max_gs_threads
= 8 * 2;
1281 dev_priv
->r600_sx_max_export_size
= 128;
1282 dev_priv
->r600_sx_max_export_pos_size
= 16;
1283 dev_priv
->r600_sx_max_export_smx_size
= 112;
1284 dev_priv
->r600_sq_num_cf_insts
= 1;
1286 dev_priv
->r700_sx_num_of_sets
= 7;
1287 dev_priv
->r700_sc_prim_fifo_size
= 0x40;
1288 dev_priv
->r700_sc_hiz_tile_fifo_size
= 0x30;
1289 dev_priv
->r700_sc_earlyz_tile_fifo_fize
= 0x130;
1295 /* Initialize HDP */
1297 for (i
= 0; i
< 32; i
++) {
1298 RADEON_WRITE((0x2c14 + j
), 0x00000000);
1299 RADEON_WRITE((0x2c18 + j
), 0x00000000);
1300 RADEON_WRITE((0x2c1c + j
), 0x00000000);
1301 RADEON_WRITE((0x2c20 + j
), 0x00000000);
1302 RADEON_WRITE((0x2c24 + j
), 0x00000000);
1306 RADEON_WRITE(R600_GRBM_CNTL
, R600_GRBM_READ_TIMEOUT(0xff));
1308 /* setup tiling, simd, pipe config */
1309 mc_arb_ramcfg
= RADEON_READ(R700_MC_ARB_RAMCFG
);
1311 switch (dev_priv
->r600_max_tile_pipes
) {
1313 gb_tiling_config
|= R600_PIPE_TILING(0);
1316 gb_tiling_config
|= R600_PIPE_TILING(1);
1319 gb_tiling_config
|= R600_PIPE_TILING(2);
1322 gb_tiling_config
|= R600_PIPE_TILING(3);
1328 if ((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_RV770
)
1329 gb_tiling_config
|= R600_BANK_TILING(1);
1331 gb_tiling_config
|= R600_BANK_TILING((mc_arb_ramcfg
>> R700_NOOFBANK_SHIFT
) & R700_NOOFBANK_MASK
);
1333 gb_tiling_config
|= R600_GROUP_SIZE(0);
1335 if (((mc_arb_ramcfg
>> R700_NOOFROWS_SHIFT
) & R700_NOOFROWS_MASK
) > 3) {
1336 gb_tiling_config
|= R600_ROW_TILING(3);
1337 gb_tiling_config
|= R600_SAMPLE_SPLIT(3);
1340 R600_ROW_TILING(((mc_arb_ramcfg
>> R700_NOOFROWS_SHIFT
) & R700_NOOFROWS_MASK
));
1342 R600_SAMPLE_SPLIT(((mc_arb_ramcfg
>> R700_NOOFROWS_SHIFT
) & R700_NOOFROWS_MASK
));
1345 gb_tiling_config
|= R600_BANK_SWAPS(1);
1347 backend_map
= r700_get_tile_pipe_to_backend_map(dev_priv
->r600_max_tile_pipes
,
1348 dev_priv
->r600_max_backends
,
1349 (0xff << dev_priv
->r600_max_backends
) & 0xff);
1350 gb_tiling_config
|= R600_BACKEND_MAP(backend_map
);
1352 cc_gc_shader_pipe_config
=
1353 R600_INACTIVE_QD_PIPES((R7XX_MAX_PIPES_MASK
<< dev_priv
->r600_max_pipes
) & R7XX_MAX_PIPES_MASK
);
1354 cc_gc_shader_pipe_config
|=
1355 R600_INACTIVE_SIMDS((R7XX_MAX_SIMDS_MASK
<< dev_priv
->r600_max_simds
) & R7XX_MAX_SIMDS_MASK
);
1357 cc_rb_backend_disable
=
1358 R600_BACKEND_DISABLE((R7XX_MAX_BACKENDS_MASK
<< dev_priv
->r600_max_backends
) & R7XX_MAX_BACKENDS_MASK
);
1360 RADEON_WRITE(R600_GB_TILING_CONFIG
, gb_tiling_config
);
1361 RADEON_WRITE(R600_DCP_TILING_CONFIG
, (gb_tiling_config
& 0xffff));
1362 RADEON_WRITE(R600_HDP_TILING_CONFIG
, (gb_tiling_config
& 0xffff));
1364 RADEON_WRITE(R600_CC_RB_BACKEND_DISABLE
, cc_rb_backend_disable
);
1365 RADEON_WRITE(R600_CC_GC_SHADER_PIPE_CONFIG
, cc_gc_shader_pipe_config
);
1366 RADEON_WRITE(R600_GC_USER_SHADER_PIPE_CONFIG
, cc_gc_shader_pipe_config
);
1368 RADEON_WRITE(R700_CC_SYS_RB_BACKEND_DISABLE
, cc_rb_backend_disable
);
1369 RADEON_WRITE(R700_CGTS_SYS_TCC_DISABLE
, 0);
1370 RADEON_WRITE(R700_CGTS_TCC_DISABLE
, 0);
1371 RADEON_WRITE(R700_CGTS_USER_SYS_TCC_DISABLE
, 0);
1372 RADEON_WRITE(R700_CGTS_USER_TCC_DISABLE
, 0);
1375 R7XX_MAX_BACKENDS
- r600_count_pipe_bits(cc_gc_shader_pipe_config
& R600_INACTIVE_QD_PIPES_MASK
);
1376 RADEON_WRITE(R600_VGT_OUT_DEALLOC_CNTL
, (num_qd_pipes
* 4) & R600_DEALLOC_DIST_MASK
);
1377 RADEON_WRITE(R600_VGT_VERTEX_REUSE_BLOCK_CNTL
, ((num_qd_pipes
* 4) - 2) & R600_VTX_REUSE_DEPTH_MASK
);
1379 /* set HW defaults for 3D engine */
1380 RADEON_WRITE(R600_CP_QUEUE_THRESHOLDS
, (R600_ROQ_IB1_START(0x16) |
1381 R600_ROQ_IB2_START(0x2b)));
1383 RADEON_WRITE(R600_CP_MEQ_THRESHOLDS
, R700_STQ_SPLIT(0x30));
1385 RADEON_WRITE(R600_TA_CNTL_AUX
, (R600_DISABLE_CUBE_ANISO
|
1386 R600_SYNC_GRADIENT
|
1388 R600_SYNC_ALIGNER
));
1390 sx_debug_1
= RADEON_READ(R700_SX_DEBUG_1
);
1391 sx_debug_1
|= R700_ENABLE_NEW_SMX_ADDRESS
;
1392 RADEON_WRITE(R700_SX_DEBUG_1
, sx_debug_1
);
1394 smx_dc_ctl0
= RADEON_READ(R600_SMX_DC_CTL0
);
1395 smx_dc_ctl0
&= ~R700_CACHE_DEPTH(0x1ff);
1396 smx_dc_ctl0
|= R700_CACHE_DEPTH((dev_priv
->r700_sx_num_of_sets
* 64) - 1);
1397 RADEON_WRITE(R600_SMX_DC_CTL0
, smx_dc_ctl0
);
1399 RADEON_WRITE(R700_SMX_EVENT_CTL
, (R700_ES_FLUSH_CTL(4) |
1400 R700_GS_FLUSH_CTL(4) |
1401 R700_ACK_FLUSH_CTL(3) |
1402 R700_SYNC_FLUSH_CTL
));
1404 if ((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_RV770
)
1405 RADEON_WRITE(R700_DB_DEBUG3
, R700_DB_CLK_OFF_DELAY(0x1f));
1407 db_debug4
= RADEON_READ(RV700_DB_DEBUG4
);
1408 db_debug4
|= RV700_DISABLE_TILE_COVERED_FOR_PS_ITER
;
1409 RADEON_WRITE(RV700_DB_DEBUG4
, db_debug4
);
1412 RADEON_WRITE(R600_SX_EXPORT_BUFFER_SIZES
, (R600_COLOR_BUFFER_SIZE((dev_priv
->r600_sx_max_export_size
/ 4) - 1) |
1413 R600_POSITION_BUFFER_SIZE((dev_priv
->r600_sx_max_export_pos_size
/ 4) - 1) |
1414 R600_SMX_BUFFER_SIZE((dev_priv
->r600_sx_max_export_smx_size
/ 4) - 1)));
1416 RADEON_WRITE(R700_PA_SC_FIFO_SIZE_R7XX
, (R700_SC_PRIM_FIFO_SIZE(dev_priv
->r700_sc_prim_fifo_size
) |
1417 R700_SC_HIZ_TILE_FIFO_SIZE(dev_priv
->r700_sc_hiz_tile_fifo_size
) |
1418 R700_SC_EARLYZ_TILE_FIFO_SIZE(dev_priv
->r700_sc_earlyz_tile_fifo_fize
)));
1420 RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL
, 0);
1422 RADEON_WRITE(R600_VGT_NUM_INSTANCES
, 1);
1424 RADEON_WRITE(R600_SPI_CONFIG_CNTL
, R600_GPR_WRITE_PRIORITY(0));
1426 RADEON_WRITE(R600_SPI_CONFIG_CNTL_1
, R600_VTX_DONE_DELAY(4));
1428 RADEON_WRITE(R600_CP_PERFMON_CNTL
, 0);
1430 sq_ms_fifo_sizes
= (R600_CACHE_FIFO_SIZE(16 * dev_priv
->r600_sq_num_cf_insts
) |
1431 R600_DONE_FIFO_HIWATER(0xe0) |
1432 R600_ALU_UPDATE_FIFO_HIWATER(0x8));
1433 switch (dev_priv
->flags
& RADEON_FAMILY_MASK
) {
1435 sq_ms_fifo_sizes
|= R600_FETCH_FIFO_HIWATER(0x1);
1440 sq_ms_fifo_sizes
|= R600_FETCH_FIFO_HIWATER(0x4);
1443 RADEON_WRITE(R600_SQ_MS_FIFO_SIZES
, sq_ms_fifo_sizes
);
1445 /* SQ_CONFIG, SQ_GPR_RESOURCE_MGMT, SQ_THREAD_RESOURCE_MGMT, SQ_STACK_RESOURCE_MGMT
1446 * should be adjusted as needed by the 2D/3D drivers. This just sets default values
1448 sq_config
= RADEON_READ(R600_SQ_CONFIG
);
1449 sq_config
&= ~(R600_PS_PRIO(3) |
1453 sq_config
|= (R600_DX9_CONSTS
|
1460 if ((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_RV710
)
1461 /* no vertex cache */
1462 sq_config
&= ~R600_VC_ENABLE
;
1464 RADEON_WRITE(R600_SQ_CONFIG
, sq_config
);
1466 RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_1
, (R600_NUM_PS_GPRS((dev_priv
->r600_max_gprs
* 24)/64) |
1467 R600_NUM_VS_GPRS((dev_priv
->r600_max_gprs
* 24)/64) |
1468 R600_NUM_CLAUSE_TEMP_GPRS(((dev_priv
->r600_max_gprs
* 24)/64)/2)));
1470 RADEON_WRITE(R600_SQ_GPR_RESOURCE_MGMT_2
, (R600_NUM_GS_GPRS((dev_priv
->r600_max_gprs
* 7)/64) |
1471 R600_NUM_ES_GPRS((dev_priv
->r600_max_gprs
* 7)/64)));
1473 sq_thread_resource_mgmt
= (R600_NUM_PS_THREADS((dev_priv
->r600_max_threads
* 4)/8) |
1474 R600_NUM_VS_THREADS((dev_priv
->r600_max_threads
* 2)/8) |
1475 R600_NUM_ES_THREADS((dev_priv
->r600_max_threads
* 1)/8));
1476 if (((dev_priv
->r600_max_threads
* 1) / 8) > dev_priv
->r600_max_gs_threads
)
1477 sq_thread_resource_mgmt
|= R600_NUM_GS_THREADS(dev_priv
->r600_max_gs_threads
);
1479 sq_thread_resource_mgmt
|= R600_NUM_GS_THREADS((dev_priv
->r600_max_gs_threads
* 1)/8);
1480 RADEON_WRITE(R600_SQ_THREAD_RESOURCE_MGMT
, sq_thread_resource_mgmt
);
1482 RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_1
, (R600_NUM_PS_STACK_ENTRIES((dev_priv
->r600_max_stack_entries
* 1)/4) |
1483 R600_NUM_VS_STACK_ENTRIES((dev_priv
->r600_max_stack_entries
* 1)/4)));
1485 RADEON_WRITE(R600_SQ_STACK_RESOURCE_MGMT_2
, (R600_NUM_GS_STACK_ENTRIES((dev_priv
->r600_max_stack_entries
* 1)/4) |
1486 R600_NUM_ES_STACK_ENTRIES((dev_priv
->r600_max_stack_entries
* 1)/4)));
1488 sq_dyn_gpr_size_simd_ab_0
= (R700_SIMDA_RING0((dev_priv
->r600_max_gprs
* 38)/64) |
1489 R700_SIMDA_RING1((dev_priv
->r600_max_gprs
* 38)/64) |
1490 R700_SIMDB_RING0((dev_priv
->r600_max_gprs
* 38)/64) |
1491 R700_SIMDB_RING1((dev_priv
->r600_max_gprs
* 38)/64));
1493 RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_0
, sq_dyn_gpr_size_simd_ab_0
);
1494 RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_1
, sq_dyn_gpr_size_simd_ab_0
);
1495 RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_2
, sq_dyn_gpr_size_simd_ab_0
);
1496 RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_3
, sq_dyn_gpr_size_simd_ab_0
);
1497 RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_4
, sq_dyn_gpr_size_simd_ab_0
);
1498 RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_5
, sq_dyn_gpr_size_simd_ab_0
);
1499 RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_6
, sq_dyn_gpr_size_simd_ab_0
);
1500 RADEON_WRITE(R700_SQ_DYN_GPR_SIZE_SIMD_AB_7
, sq_dyn_gpr_size_simd_ab_0
);
1502 RADEON_WRITE(R700_PA_SC_FORCE_EOV_MAX_CNTS
, (R700_FORCE_EOV_MAX_CLK_CNT(4095) |
1503 R700_FORCE_EOV_MAX_REZ_CNT(255)));
1505 if ((dev_priv
->flags
& RADEON_FAMILY_MASK
) == CHIP_RV710
)
1506 RADEON_WRITE(R600_VGT_CACHE_INVALIDATION
, (R600_CACHE_INVALIDATION(R600_TC_ONLY
) |
1507 R700_AUTO_INVLD_EN(R700_ES_AND_GS_AUTO
)));
1509 RADEON_WRITE(R600_VGT_CACHE_INVALIDATION
, (R600_CACHE_INVALIDATION(R600_VC_AND_TC
) |
1510 R700_AUTO_INVLD_EN(R700_ES_AND_GS_AUTO
)));
1512 switch (dev_priv
->flags
& RADEON_FAMILY_MASK
) {
1515 gs_prim_buffer_depth
= 384;
1518 gs_prim_buffer_depth
= 128;
1524 num_gs_verts_per_thread
= dev_priv
->r600_max_pipes
* 16;
1525 vgt_gs_per_es
= gs_prim_buffer_depth
+ num_gs_verts_per_thread
;
1526 /* Max value for this is 256 */
1527 if (vgt_gs_per_es
> 256)
1528 vgt_gs_per_es
= 256;
1530 RADEON_WRITE(R600_VGT_ES_PER_GS
, 128);
1531 RADEON_WRITE(R600_VGT_GS_PER_ES
, vgt_gs_per_es
);
1532 RADEON_WRITE(R600_VGT_GS_PER_VS
, 2);
1534 /* more default values. 2D/3D driver should adjust as needed */
1535 RADEON_WRITE(R600_VGT_GS_VERTEX_REUSE
, 16);
1536 RADEON_WRITE(R600_PA_SC_LINE_STIPPLE_STATE
, 0);
1537 RADEON_WRITE(R600_VGT_STRMOUT_EN
, 0);
1538 RADEON_WRITE(R600_SX_MISC
, 0);
1539 RADEON_WRITE(R600_PA_SC_MODE_CNTL
, 0);
1540 RADEON_WRITE(R700_PA_SC_EDGERULE
, 0xaaaaaaaa);
1541 RADEON_WRITE(R600_PA_SC_AA_CONFIG
, 0);
1542 RADEON_WRITE(R600_PA_SC_CLIPRECT_RULE
, 0xffff);
1543 RADEON_WRITE(R600_PA_SC_LINE_STIPPLE
, 0);
1544 RADEON_WRITE(R600_SPI_INPUT_Z
, 0);
1545 RADEON_WRITE(R600_SPI_PS_IN_CONTROL_0
, R600_NUM_INTERP(2));
1546 RADEON_WRITE(R600_CB_COLOR7_FRAG
, 0);
1548 /* clear render buffer base addresses */
1549 RADEON_WRITE(R600_CB_COLOR0_BASE
, 0);
1550 RADEON_WRITE(R600_CB_COLOR1_BASE
, 0);
1551 RADEON_WRITE(R600_CB_COLOR2_BASE
, 0);
1552 RADEON_WRITE(R600_CB_COLOR3_BASE
, 0);
1553 RADEON_WRITE(R600_CB_COLOR4_BASE
, 0);
1554 RADEON_WRITE(R600_CB_COLOR5_BASE
, 0);
1555 RADEON_WRITE(R600_CB_COLOR6_BASE
, 0);
1556 RADEON_WRITE(R600_CB_COLOR7_BASE
, 0);
1558 RADEON_WRITE(R700_TCP_CNTL
, 0);
1560 hdp_host_path_cntl
= RADEON_READ(R600_HDP_HOST_PATH_CNTL
);
1561 RADEON_WRITE(R600_HDP_HOST_PATH_CNTL
, hdp_host_path_cntl
);
1563 RADEON_WRITE(R600_PA_SC_MULTI_CHIP_CNTL
, 0);
1565 RADEON_WRITE(R600_PA_CL_ENHANCE
, (R600_CLIP_VTX_REORDER_ENA
|
1566 R600_NUM_CLIP_SEQ(3)));
1570 static void r600_cp_init_ring_buffer(struct drm_device
* dev
,
1571 drm_radeon_private_t
* dev_priv
)
1575 /*u32 cur_read_ptr;*/
1578 if (((dev_priv
->flags
& RADEON_FAMILY_MASK
) >= CHIP_RV770
))
1579 r700_gfx_init(dev
, dev_priv
);
1581 r600_gfx_init(dev
, dev_priv
);
1583 RADEON_WRITE(R600_GRBM_SOFT_RESET
, R600_SOFT_RESET_CP
);
1584 RADEON_READ(R600_GRBM_SOFT_RESET
);
1586 RADEON_WRITE(R600_GRBM_SOFT_RESET
, 0);
1589 /* Set ring buffer size */
1591 RADEON_WRITE(R600_CP_RB_CNTL
,
1592 RADEON_BUF_SWAP_32BIT
|
1593 RADEON_RB_NO_UPDATE
|
1594 (dev_priv
->ring
.rptr_update_l2qw
<< 8) |
1595 dev_priv
->ring
.size_l2qw
);
1597 RADEON_WRITE(R600_CP_RB_CNTL
,
1598 RADEON_RB_NO_UPDATE
|
1599 (dev_priv
->ring
.rptr_update_l2qw
<< 8) |
1600 dev_priv
->ring
.size_l2qw
);
1603 RADEON_WRITE(R600_CP_SEM_WAIT_TIMER
, 0x4);
1605 /* Set the write pointer delay */
1606 RADEON_WRITE(R600_CP_RB_WPTR_DELAY
, 0);
1609 RADEON_WRITE(R600_CP_RB_CNTL
,
1610 RADEON_BUF_SWAP_32BIT
|
1611 RADEON_RB_NO_UPDATE
|
1612 RADEON_RB_RPTR_WR_ENA
|
1613 (dev_priv
->ring
.rptr_update_l2qw
<< 8) |
1614 dev_priv
->ring
.size_l2qw
);
1616 RADEON_WRITE(R600_CP_RB_CNTL
,
1617 RADEON_RB_NO_UPDATE
|
1618 RADEON_RB_RPTR_WR_ENA
|
1619 (dev_priv
->ring
.rptr_update_l2qw
<< 8) |
1620 dev_priv
->ring
.size_l2qw
);
1623 /* Initialize the ring buffer's read and write pointers */
1625 cur_read_ptr
= RADEON_READ(R600_CP_RB_RPTR
);
1626 RADEON_WRITE(R600_CP_RB_WPTR
, cur_read_ptr
);
1627 SET_RING_HEAD(dev_priv
, cur_read_ptr
);
1628 dev_priv
->ring
.tail
= cur_read_ptr
;
1632 RADEON_WRITE(R600_CP_RB_RPTR_WR
, 0);
1633 RADEON_WRITE(R600_CP_RB_WPTR
, 0);
1634 SET_RING_HEAD(dev_priv
, 0);
1635 dev_priv
->ring
.tail
= 0;
1638 if (dev_priv
->flags
& RADEON_IS_AGP
) {
1639 rptr_addr
= dev_priv
->ring_rptr
->offset
1641 dev_priv
->gart_vm_start
;
1645 rptr_addr
= dev_priv
->ring_rptr
->offset
1646 - ((unsigned long) dev
->sg
->virtual)
1647 + dev_priv
->gart_vm_start
;
1650 RADEON_WRITE(R600_CP_RB_RPTR_ADDR
,
1651 rptr_addr
& 0xffffffff);
1652 RADEON_WRITE(R600_CP_RB_RPTR_ADDR_HI
,
1653 upper_32_bits(rptr_addr
));
1656 RADEON_WRITE(R600_CP_RB_CNTL
,
1657 RADEON_BUF_SWAP_32BIT
|
1658 (dev_priv
->ring
.rptr_update_l2qw
<< 8) |
1659 dev_priv
->ring
.size_l2qw
);
1661 RADEON_WRITE(R600_CP_RB_CNTL
,
1662 (dev_priv
->ring
.rptr_update_l2qw
<< 8) |
1663 dev_priv
->ring
.size_l2qw
);
1667 if (dev_priv
->flags
& RADEON_IS_AGP
) {
1669 radeon_write_agp_base(dev_priv
, dev
->agp
->base
);
1672 radeon_write_agp_location(dev_priv
,
1673 (((dev_priv
->gart_vm_start
- 1 +
1674 dev_priv
->gart_size
) & 0xffff0000) |
1675 (dev_priv
->gart_vm_start
>> 16)));
1677 ring_start
= (dev_priv
->cp_ring
->offset
1679 + dev_priv
->gart_vm_start
);
1682 ring_start
= (dev_priv
->cp_ring
->offset
1683 - (unsigned long)dev
->sg
->virtual
1684 + dev_priv
->gart_vm_start
);
1686 RADEON_WRITE(R600_CP_RB_BASE
, ring_start
>> 8);
1688 RADEON_WRITE(R600_CP_ME_CNTL
, 0xff);
1690 RADEON_WRITE(R600_CP_DEBUG
, (1 << 27) | (1 << 28));
1692 /* Initialize the scratch register pointer. This will cause
1693 * the scratch register values to be written out to memory
1694 * whenever they are updated.
1696 * We simply put this behind the ring read pointer, this works
1697 * with PCI GART as well as (whatever kind of) AGP GART
1703 scratch_addr
= RADEON_READ(R600_CP_RB_RPTR_ADDR
);
1704 scratch_addr
|= ((u64
)RADEON_READ(R600_CP_RB_RPTR_ADDR_HI
)) << 32;
1705 scratch_addr
+= R600_SCRATCH_REG_OFFSET
;
1707 scratch_addr
&= 0xffffffff;
1709 RADEON_WRITE(R600_SCRATCH_ADDR
, (uint32_t)scratch_addr
);
1712 dev_priv
->scratch
= ((__volatile__ u32
*)
1713 dev_priv
->ring_rptr
->handle
+
1714 (R600_SCRATCH_REG_OFFSET
/ sizeof(u32
)));
1716 RADEON_WRITE(R600_SCRATCH_UMSK
, 0x7);
1718 dev_priv
->sarea_priv
->last_frame
= dev_priv
->scratch
[0] = 0;
1719 RADEON_WRITE(R600_LAST_FRAME_REG
, dev_priv
->sarea_priv
->last_frame
);
1721 dev_priv
->sarea_priv
->last_dispatch
= dev_priv
->scratch
[1] = 0;
1722 RADEON_WRITE(R600_LAST_DISPATCH_REG
,
1723 dev_priv
->sarea_priv
->last_dispatch
);
1725 dev_priv
->sarea_priv
->last_clear
= dev_priv
->scratch
[2] = 0;
1726 RADEON_WRITE(R600_LAST_CLEAR_REG
, dev_priv
->sarea_priv
->last_clear
);
1728 r600_do_wait_for_idle(dev_priv
);
1732 int r600_do_cleanup_cp(struct drm_device
* dev
)
1734 drm_radeon_private_t
*dev_priv
= dev
->dev_private
;
1737 /* Make sure interrupts are disabled here because the uninstall ioctl
1738 * may not have been called from userspace and after dev_private
1739 * is freed, it's too late.
1741 if (dev
->irq_enabled
)
1742 drm_irq_uninstall(dev
);
1745 if (dev_priv
->flags
& RADEON_IS_AGP
) {
1746 if (dev_priv
->cp_ring
!= NULL
) {
1747 drm_core_ioremapfree(dev_priv
->cp_ring
, dev
);
1748 dev_priv
->cp_ring
= NULL
;
1750 if (dev_priv
->ring_rptr
!= NULL
) {
1751 drm_core_ioremapfree(dev_priv
->ring_rptr
, dev
);
1752 dev_priv
->ring_rptr
= NULL
;
1754 if (dev
->agp_buffer_map
!= NULL
) {
1755 drm_core_ioremapfree(dev
->agp_buffer_map
, dev
);
1756 dev
->agp_buffer_map
= NULL
;
1762 if (dev_priv
->gart_info
.mapping
.handle
) {
1763 r600_page_table_cleanup(dev
, &dev_priv
->gart_info
);
1764 drm_core_ioremapfree(&dev_priv
->gart_info
.mapping
, dev
);
1765 dev_priv
->gart_info
.addr
= 0;
1766 dev_priv
->gart_info
.mapping
.handle
= 0;
1769 /* only clear to the start of flags */
1770 memset(dev_priv
, 0, offsetof(drm_radeon_private_t
, flags
));
1775 int r600_do_init_cp(struct drm_device
* dev
, drm_radeon_init_t
* init
)
1777 drm_radeon_private_t
*dev_priv
= dev
->dev_private
;
1781 /* if we require new memory map but we don't have it fail */
1782 if ((dev_priv
->flags
& RADEON_NEW_MEMMAP
) && !dev_priv
->new_memmap
) {
1783 DRM_ERROR("Cannot initialise DRM on this card\nThis card requires a new X.org DDX for 3D\n");
1784 r600_do_cleanup_cp(dev
);
1788 if (init
->is_pci
&& (dev_priv
->flags
& RADEON_IS_AGP
))
1790 DRM_DEBUG("Forcing AGP card to PCI mode\n");
1791 dev_priv
->flags
&= ~RADEON_IS_AGP
;
1792 /* The writeback test succeeds, but when writeback is enabled,
1793 * the ring buffer read ptr update fails after first 128 bytes.
1797 else if (!(dev_priv
->flags
& (RADEON_IS_AGP
| RADEON_IS_PCI
| RADEON_IS_PCIE
))
1800 DRM_DEBUG("Restoring AGP flag\n");
1801 dev_priv
->flags
|= RADEON_IS_AGP
;
1804 dev_priv
->usec_timeout
= init
->usec_timeout
;
1805 if (dev_priv
->usec_timeout
< 1 ||
1806 dev_priv
->usec_timeout
> RADEON_MAX_USEC_TIMEOUT
) {
1807 DRM_DEBUG("TIMEOUT problem!\n");
1808 r600_do_cleanup_cp(dev
);
1812 /* Enable vblank on CRTC1 for older X servers
1814 dev_priv
->vblank_crtc
= DRM_RADEON_VBLANK_CRTC1
;
1816 dev_priv
->cp_mode
= init
->cp_mode
;
1818 /* We don't support anything other than bus-mastering ring mode,
1819 * but the ring can be in either AGP or PCI space for the ring
1822 if ((init
->cp_mode
!= RADEON_CSQ_PRIBM_INDDIS
) &&
1823 (init
->cp_mode
!= RADEON_CSQ_PRIBM_INDBM
)) {
1824 DRM_DEBUG("BAD cp_mode (%x)!\n", init
->cp_mode
);
1825 r600_do_cleanup_cp(dev
);
1829 switch (init
->fb_bpp
) {
1831 dev_priv
->color_fmt
= RADEON_COLOR_FORMAT_RGB565
;
1835 dev_priv
->color_fmt
= RADEON_COLOR_FORMAT_ARGB8888
;
1838 dev_priv
->front_offset
= init
->front_offset
;
1839 dev_priv
->front_pitch
= init
->front_pitch
;
1840 dev_priv
->back_offset
= init
->back_offset
;
1841 dev_priv
->back_pitch
= init
->back_pitch
;
1843 dev_priv
->ring_offset
= init
->ring_offset
;
1844 dev_priv
->ring_rptr_offset
= init
->ring_rptr_offset
;
1845 dev_priv
->buffers_offset
= init
->buffers_offset
;
1846 dev_priv
->gart_textures_offset
= init
->gart_textures_offset
;
1848 dev_priv
->sarea
= drm_getsarea(dev
);
1849 if (!dev_priv
->sarea
) {
1850 DRM_ERROR("could not find sarea!\n");
1851 r600_do_cleanup_cp(dev
);
1855 dev_priv
->cp_ring
= drm_core_findmap(dev
, init
->ring_offset
);
1856 if (!dev_priv
->cp_ring
) {
1857 DRM_ERROR("could not find cp ring region!\n");
1858 r600_do_cleanup_cp(dev
);
1861 dev_priv
->ring_rptr
= drm_core_findmap(dev
, init
->ring_rptr_offset
);
1862 if (!dev_priv
->ring_rptr
) {
1863 DRM_ERROR("could not find ring read pointer!\n");
1864 r600_do_cleanup_cp(dev
);
1867 dev
->agp_buffer_token
= init
->buffers_offset
;
1868 dev
->agp_buffer_map
= drm_core_findmap(dev
, init
->buffers_offset
);
1869 if (!dev
->agp_buffer_map
) {
1870 DRM_ERROR("could not find dma buffer region!\n");
1871 r600_do_cleanup_cp(dev
);
1875 if (init
->gart_textures_offset
) {
1876 dev_priv
->gart_textures
=
1877 drm_core_findmap(dev
, init
->gart_textures_offset
);
1878 if (!dev_priv
->gart_textures
) {
1879 DRM_ERROR("could not find GART texture region!\n");
1880 r600_do_cleanup_cp(dev
);
1885 dev_priv
->sarea_priv
=
1886 (drm_radeon_sarea_t
*) ((u8
*) dev_priv
->sarea
->handle
+
1887 init
->sarea_priv_offset
);
1891 if (dev_priv
->flags
& RADEON_IS_AGP
) {
1892 drm_core_ioremap_wc(dev_priv
->cp_ring
, dev
);
1893 drm_core_ioremap_wc(dev_priv
->ring_rptr
, dev
);
1894 drm_core_ioremap_wc(dev
->agp_buffer_map
, dev
);
1895 if (!dev_priv
->cp_ring
->handle
||
1896 !dev_priv
->ring_rptr
->handle
||
1897 !dev
->agp_buffer_map
->handle
) {
1898 DRM_ERROR("could not find ioremap agp regions!\n");
1899 r600_do_cleanup_cp(dev
);
1905 dev_priv
->cp_ring
->handle
= (void *)dev_priv
->cp_ring
->offset
;
1906 dev_priv
->ring_rptr
->handle
=
1907 (void *)dev_priv
->ring_rptr
->offset
;
1908 dev
->agp_buffer_map
->handle
=
1909 (void *)dev
->agp_buffer_map
->offset
;
1911 DRM_DEBUG("dev_priv->cp_ring->handle %p\n",
1912 dev_priv
->cp_ring
->handle
);
1913 DRM_DEBUG("dev_priv->ring_rptr->handle %p\n",
1914 dev_priv
->ring_rptr
->handle
);
1915 DRM_DEBUG("dev->agp_buffer_map->handle %p\n",
1916 dev
->agp_buffer_map
->handle
);
1919 dev_priv
->fb_location
= (radeon_read_fb_location(dev_priv
) & 0xffff) << 24;
1921 (((radeon_read_fb_location(dev_priv
) & 0xffff0000u
) << 8) + 0x1000000)
1922 - dev_priv
->fb_location
;
1924 dev_priv
->front_pitch_offset
= (((dev_priv
->front_pitch
/ 64) << 22) |
1925 ((dev_priv
->front_offset
1926 + dev_priv
->fb_location
) >> 10));
1928 dev_priv
->back_pitch_offset
= (((dev_priv
->back_pitch
/ 64) << 22) |
1929 ((dev_priv
->back_offset
1930 + dev_priv
->fb_location
) >> 10));
1932 dev_priv
->depth_pitch_offset
= (((dev_priv
->depth_pitch
/ 64) << 22) |
1933 ((dev_priv
->depth_offset
1934 + dev_priv
->fb_location
) >> 10));
1936 dev_priv
->gart_size
= init
->gart_size
;
1938 /* New let's set the memory map ... */
1939 if (dev_priv
->new_memmap
) {
1942 DRM_INFO("Setting GART location based on new memory map\n");
1944 /* If using AGP, try to locate the AGP aperture at the same
1945 * location in the card and on the bus, though we have to
1950 if (dev_priv
->flags
& RADEON_IS_AGP
) {
1951 base
= dev
->agp
->base
;
1952 /* Check if valid */
1953 if ((base
+ dev_priv
->gart_size
- 1) >= dev_priv
->fb_location
&&
1954 base
< (dev_priv
->fb_location
+ dev_priv
->fb_size
- 1)) {
1955 DRM_INFO("Can't use AGP base @0x%08lx, won't fit\n",
1961 /* If not or if AGP is at 0 (Macs), try to put it elsewhere */
1963 base
= dev_priv
->fb_location
+ dev_priv
->fb_size
;
1964 if (base
< dev_priv
->fb_location
||
1965 ((base
+ dev_priv
->gart_size
) & 0xfffffffful
) < base
)
1966 base
= dev_priv
->fb_location
1967 - dev_priv
->gart_size
;
1969 dev_priv
->gart_vm_start
= base
& 0xffc00000u
;
1970 if (dev_priv
->gart_vm_start
!= base
)
1971 DRM_INFO("GART aligned down from 0x%08x to 0x%08x\n",
1972 base
, dev_priv
->gart_vm_start
);
1977 if (dev_priv
->flags
& RADEON_IS_AGP
)
1978 dev_priv
->gart_buffers_offset
= (dev
->agp_buffer_map
->offset
1980 + dev_priv
->gart_vm_start
);
1983 dev_priv
->gart_buffers_offset
= (dev
->agp_buffer_map
->offset
1984 - (unsigned long)dev
->sg
->virtual
1985 + dev_priv
->gart_vm_start
);
1987 DRM_DEBUG("fb 0x%08x size %d\n",
1988 (unsigned int) dev_priv
->fb_location
,
1989 (unsigned int) dev_priv
->fb_size
);
1990 DRM_DEBUG("dev_priv->gart_size %d\n", dev_priv
->gart_size
);
1991 DRM_DEBUG("dev_priv->gart_vm_start 0x%08x\n",
1992 (unsigned int) dev_priv
->gart_vm_start
);
1993 DRM_DEBUG("dev_priv->gart_buffers_offset 0x%08lx\n",
1994 dev_priv
->gart_buffers_offset
);
1996 dev_priv
->ring
.start
= (u32
*) dev_priv
->cp_ring
->handle
;
1997 dev_priv
->ring
.end
= ((u32
*) dev_priv
->cp_ring
->handle
1998 + init
->ring_size
/ sizeof(u32
));
1999 dev_priv
->ring
.size
= init
->ring_size
;
2000 dev_priv
->ring
.size_l2qw
= drm_order(init
->ring_size
/ 8);
2002 dev_priv
->ring
.rptr_update
= /* init->rptr_update */ 4096;
2003 dev_priv
->ring
.rptr_update_l2qw
= drm_order( /* init->rptr_update */ 4096 / 8);
2005 dev_priv
->ring
.fetch_size
= /* init->fetch_size */ 32;
2006 dev_priv
->ring
.fetch_size_l2ow
= drm_order( /* init->fetch_size */ 32 / 16);
2008 dev_priv
->ring
.tail_mask
= (dev_priv
->ring
.size
/ sizeof(u32
)) - 1;
2010 dev_priv
->ring
.high_mark
= RADEON_RING_HIGH_MARK
;
2013 if (dev_priv
->flags
& RADEON_IS_AGP
) {
2014 // XXX turn off pcie gart
2018 dev_priv
->gart_info
.table_mask
= DMA_BIT_MASK(32);
2019 /* if we have an offset set from userspace */
2020 if (!dev_priv
->pcigart_offset_set
) {
2021 DRM_ERROR("Need gart offset from userspace\n");
2022 r600_do_cleanup_cp(dev
);
2026 DRM_DEBUG("Using gart offset 0x%08lx\n", dev_priv
->pcigart_offset
);
2028 dev_priv
->gart_info
.bus_addr
=
2029 dev_priv
->pcigart_offset
+ dev_priv
->fb_location
;
2030 dev_priv
->gart_info
.mapping
.offset
=
2031 dev_priv
->pcigart_offset
+ dev_priv
->fb_aper_offset
;
2032 dev_priv
->gart_info
.mapping
.size
=
2033 dev_priv
->gart_info
.table_size
;
2035 drm_core_ioremap_wc(&dev_priv
->gart_info
.mapping
, dev
);
2036 if (!dev_priv
->gart_info
.mapping
.handle
) {
2037 DRM_ERROR("ioremap failed.\n");
2038 r600_do_cleanup_cp(dev
);
2042 dev_priv
->gart_info
.addr
=
2043 dev_priv
->gart_info
.mapping
.handle
;
2045 DRM_DEBUG("Setting phys_pci_gart to %p %08lX\n",
2046 dev_priv
->gart_info
.addr
,
2047 dev_priv
->pcigart_offset
);
2049 if (!r600_page_table_init(dev
)) {
2050 DRM_ERROR("Failed to init GART table\n");
2051 r600_do_cleanup_cp(dev
);
2055 if (((dev_priv
->flags
& RADEON_FAMILY_MASK
) >= CHIP_RV770
))
2061 if (((dev_priv
->flags
& RADEON_FAMILY_MASK
) >= CHIP_RV770
))
2062 r700_cp_load_microcode(dev_priv
);
2064 r600_cp_load_microcode(dev_priv
);
2066 r600_cp_init_ring_buffer(dev
, dev_priv
);
2068 dev_priv
->last_buf
= 0;
2070 r600_do_engine_reset(dev
);
2071 r600_test_writeback(dev_priv
);
2076 int r600_do_resume_cp(struct drm_device
* dev
)
2078 drm_radeon_private_t
*dev_priv
= dev
->dev_private
;
2081 if (((dev_priv
->flags
& RADEON_FAMILY_MASK
) >= CHIP_RV770
)) {
2083 r700_cp_load_microcode(dev_priv
);
2086 r600_cp_load_microcode(dev_priv
);
2088 r600_cp_init_ring_buffer(dev
, dev_priv
);
2089 r600_do_engine_reset(dev
);
2094 /* Wait for the CP to go idle.
2096 int r600_do_cp_idle(drm_radeon_private_t
*dev_priv
)
2102 OUT_RING(CP_PACKET3(R600_IT_EVENT_WRITE
, 0));
2103 OUT_RING(R600_CACHE_FLUSH_AND_INV_EVENT
);
2104 /* wait for 3D idle clean */
2105 OUT_RING(CP_PACKET3(R600_IT_SET_CONFIG_REG
, 1));
2106 OUT_RING((R600_WAIT_UNTIL
- R600_SET_CONFIG_REG_OFFSET
) >> 2);
2107 OUT_RING(RADEON_WAIT_3D_IDLE
| RADEON_WAIT_3D_IDLECLEAN
);
2112 return r600_do_wait_for_idle(dev_priv
);
2115 /* Start the Command Processor.
2117 void r600_do_cp_start(drm_radeon_private_t
* dev_priv
)
2124 OUT_RING(CP_PACKET3(R600_IT_ME_INITIALIZE
, 5));
2125 OUT_RING(0x00000001);
2126 if (((dev_priv
->flags
& RADEON_FAMILY_MASK
) < CHIP_RV770
))
2127 OUT_RING(0x00000003);
2129 OUT_RING(0x00000000);
2130 OUT_RING((dev_priv
->r600_max_hw_contexts
- 1));
2131 OUT_RING(R600_ME_INITIALIZE_DEVICE_ID(1));
2132 OUT_RING(0x00000000);
2133 OUT_RING(0x00000000);
2137 /* set the mux and reset the halt bit */
2139 RADEON_WRITE(R600_CP_ME_CNTL
, cp_me
);
2141 dev_priv
->cp_running
= 1;
2145 void r600_do_cp_reset(drm_radeon_private_t
* dev_priv
)
2150 cur_read_ptr
= RADEON_READ(R600_CP_RB_RPTR
);
2151 RADEON_WRITE(R600_CP_RB_WPTR
, cur_read_ptr
);
2152 SET_RING_HEAD(dev_priv
, cur_read_ptr
);
2153 dev_priv
->ring
.tail
= cur_read_ptr
;
2156 void r600_do_cp_stop(drm_radeon_private_t
* dev_priv
)
2162 cp_me
= 0xff | R600_CP_ME_HALT
;
2164 RADEON_WRITE(R600_CP_ME_CNTL
, cp_me
);
2166 dev_priv
->cp_running
= 0;
2169 int r600_cp_dispatch_indirect(struct drm_device
*dev
,
2170 struct drm_buf
*buf
, int start
, int end
)
2172 drm_radeon_private_t
*dev_priv
= dev
->dev_private
;
2176 unsigned long offset
= (dev_priv
->gart_buffers_offset
2177 + buf
->offset
+ start
);
2178 int dwords
= (end
- start
+ 3) / sizeof(u32
);
2180 DRM_DEBUG("dwords:%d\n", dwords
);
2181 DRM_DEBUG("offset 0x%lx\n", offset
);
2184 /* Indirect buffer data must be a multiple of 16 dwords.
2185 * pad the data with a Type-2 CP packet.
2187 while (dwords
& 0xf) {
2189 ((char *)dev
->agp_buffer_map
->handle
2190 + buf
->offset
+ start
);
2191 data
[dwords
++] = RADEON_CP_PACKET2
;
2194 /* Fire off the indirect buffer */
2196 OUT_RING(CP_PACKET3(R600_IT_INDIRECT_BUFFER
, 2));
2197 OUT_RING((offset
& 0xfffffffc));
2198 OUT_RING((upper_32_bits(offset
) & 0xff));