2 * Copyright 2014 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
23 #include <linux/firmware.h>
29 #include "amdgpu_ucode.h"
31 #include "bif/bif_4_1_d.h"
32 #include "bif/bif_4_1_sh_mask.h"
34 #include "gmc/gmc_7_1_d.h"
35 #include "gmc/gmc_7_1_sh_mask.h"
37 #include "oss/oss_2_0_d.h"
38 #include "oss/oss_2_0_sh_mask.h"
40 static void gmc_v7_0_set_gart_funcs(struct amdgpu_device
*adev
);
41 static void gmc_v7_0_set_irq_funcs(struct amdgpu_device
*adev
);
42 static int gmc_v7_0_wait_for_idle(void *handle
);
44 MODULE_FIRMWARE("radeon/bonaire_mc.bin");
45 MODULE_FIRMWARE("radeon/hawaii_mc.bin");
46 MODULE_FIRMWARE("amdgpu/topaz_mc.bin");
48 static const u32 golden_settings_iceland_a11
[] =
50 mmVM_PRT_APERTURE0_LOW_ADDR
, 0x0fffffff, 0x0fffffff,
51 mmVM_PRT_APERTURE1_LOW_ADDR
, 0x0fffffff, 0x0fffffff,
52 mmVM_PRT_APERTURE2_LOW_ADDR
, 0x0fffffff, 0x0fffffff,
53 mmVM_PRT_APERTURE3_LOW_ADDR
, 0x0fffffff, 0x0fffffff
56 static const u32 iceland_mgcg_cgcg_init
[] =
58 mmMC_MEM_POWER_LS
, 0xffffffff, 0x00000104
61 static void gmc_v7_0_init_golden_registers(struct amdgpu_device
*adev
)
63 switch (adev
->asic_type
) {
65 amdgpu_program_register_sequence(adev
,
66 iceland_mgcg_cgcg_init
,
67 (const u32
)ARRAY_SIZE(iceland_mgcg_cgcg_init
));
68 amdgpu_program_register_sequence(adev
,
69 golden_settings_iceland_a11
,
70 (const u32
)ARRAY_SIZE(golden_settings_iceland_a11
));
77 static void gmc_v7_0_mc_stop(struct amdgpu_device
*adev
,
78 struct amdgpu_mode_mc_save
*save
)
82 if (adev
->mode_info
.num_crtc
)
83 amdgpu_display_stop_mc_access(adev
, save
);
85 gmc_v7_0_wait_for_idle((void *)adev
);
87 blackout
= RREG32(mmMC_SHARED_BLACKOUT_CNTL
);
88 if (REG_GET_FIELD(blackout
, MC_SHARED_BLACKOUT_CNTL
, BLACKOUT_MODE
) != 1) {
89 /* Block CPU access */
90 WREG32(mmBIF_FB_EN
, 0);
92 blackout
= REG_SET_FIELD(blackout
,
93 MC_SHARED_BLACKOUT_CNTL
, BLACKOUT_MODE
, 0);
94 WREG32(mmMC_SHARED_BLACKOUT_CNTL
, blackout
| 1);
96 /* wait for the MC to settle */
100 static void gmc_v7_0_mc_resume(struct amdgpu_device
*adev
,
101 struct amdgpu_mode_mc_save
*save
)
105 /* unblackout the MC */
106 tmp
= RREG32(mmMC_SHARED_BLACKOUT_CNTL
);
107 tmp
= REG_SET_FIELD(tmp
, MC_SHARED_BLACKOUT_CNTL
, BLACKOUT_MODE
, 0);
108 WREG32(mmMC_SHARED_BLACKOUT_CNTL
, tmp
);
109 /* allow CPU access */
110 tmp
= REG_SET_FIELD(0, BIF_FB_EN
, FB_READ_EN
, 1);
111 tmp
= REG_SET_FIELD(tmp
, BIF_FB_EN
, FB_WRITE_EN
, 1);
112 WREG32(mmBIF_FB_EN
, tmp
);
114 if (adev
->mode_info
.num_crtc
)
115 amdgpu_display_resume_mc_access(adev
, save
);
119 * gmc_v7_0_init_microcode - load ucode images from disk
121 * @adev: amdgpu_device pointer
123 * Use the firmware interface to load the ucode images into
124 * the driver (not loaded into hw).
125 * Returns 0 on success, error on failure.
127 static int gmc_v7_0_init_microcode(struct amdgpu_device
*adev
)
129 const char *chip_name
;
135 switch (adev
->asic_type
) {
137 chip_name
= "bonaire";
140 chip_name
= "hawaii";
152 if (adev
->asic_type
== CHIP_TOPAZ
)
153 snprintf(fw_name
, sizeof(fw_name
), "amdgpu/%s_mc.bin", chip_name
);
155 snprintf(fw_name
, sizeof(fw_name
), "radeon/%s_mc.bin", chip_name
);
157 err
= request_firmware(&adev
->mc
.fw
, fw_name
, adev
->dev
);
160 err
= amdgpu_ucode_validate(adev
->mc
.fw
);
165 "cik_mc: Failed to load firmware \"%s\"\n",
167 release_firmware(adev
->mc
.fw
);
174 * gmc_v7_0_mc_load_microcode - load MC ucode into the hw
176 * @adev: amdgpu_device pointer
178 * Load the GDDR MC ucode into the hw (CIK).
179 * Returns 0 on success, error on failure.
181 static int gmc_v7_0_mc_load_microcode(struct amdgpu_device
*adev
)
183 const struct mc_firmware_header_v1_0
*hdr
;
184 const __le32
*fw_data
= NULL
;
185 const __le32
*io_mc_regs
= NULL
;
186 u32 running
, blackout
= 0;
187 int i
, ucode_size
, regs_size
;
192 hdr
= (const struct mc_firmware_header_v1_0
*)adev
->mc
.fw
->data
;
193 amdgpu_ucode_print_mc_hdr(&hdr
->header
);
195 adev
->mc
.fw_version
= le32_to_cpu(hdr
->header
.ucode_version
);
196 regs_size
= le32_to_cpu(hdr
->io_debug_size_bytes
) / (4 * 2);
197 io_mc_regs
= (const __le32
*)
198 (adev
->mc
.fw
->data
+ le32_to_cpu(hdr
->io_debug_array_offset_bytes
));
199 ucode_size
= le32_to_cpu(hdr
->header
.ucode_size_bytes
) / 4;
200 fw_data
= (const __le32
*)
201 (adev
->mc
.fw
->data
+ le32_to_cpu(hdr
->header
.ucode_array_offset_bytes
));
203 running
= REG_GET_FIELD(RREG32(mmMC_SEQ_SUP_CNTL
), MC_SEQ_SUP_CNTL
, RUN
);
207 blackout
= RREG32(mmMC_SHARED_BLACKOUT_CNTL
);
208 WREG32(mmMC_SHARED_BLACKOUT_CNTL
, blackout
| 1);
211 /* reset the engine and set to writable */
212 WREG32(mmMC_SEQ_SUP_CNTL
, 0x00000008);
213 WREG32(mmMC_SEQ_SUP_CNTL
, 0x00000010);
215 /* load mc io regs */
216 for (i
= 0; i
< regs_size
; i
++) {
217 WREG32(mmMC_SEQ_IO_DEBUG_INDEX
, le32_to_cpup(io_mc_regs
++));
218 WREG32(mmMC_SEQ_IO_DEBUG_DATA
, le32_to_cpup(io_mc_regs
++));
220 /* load the MC ucode */
221 for (i
= 0; i
< ucode_size
; i
++)
222 WREG32(mmMC_SEQ_SUP_PGM
, le32_to_cpup(fw_data
++));
224 /* put the engine back into the active state */
225 WREG32(mmMC_SEQ_SUP_CNTL
, 0x00000008);
226 WREG32(mmMC_SEQ_SUP_CNTL
, 0x00000004);
227 WREG32(mmMC_SEQ_SUP_CNTL
, 0x00000001);
229 /* wait for training to complete */
230 for (i
= 0; i
< adev
->usec_timeout
; i
++) {
231 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL
),
232 MC_SEQ_TRAIN_WAKEUP_CNTL
, TRAIN_DONE_D0
))
236 for (i
= 0; i
< adev
->usec_timeout
; i
++) {
237 if (REG_GET_FIELD(RREG32(mmMC_SEQ_TRAIN_WAKEUP_CNTL
),
238 MC_SEQ_TRAIN_WAKEUP_CNTL
, TRAIN_DONE_D1
))
244 WREG32(mmMC_SHARED_BLACKOUT_CNTL
, blackout
);
250 static void gmc_v7_0_vram_gtt_location(struct amdgpu_device
*adev
,
251 struct amdgpu_mc
*mc
)
253 if (mc
->mc_vram_size
> 0xFFC0000000ULL
) {
254 /* leave room for at least 1024M GTT */
255 dev_warn(adev
->dev
, "limiting VRAM\n");
256 mc
->real_vram_size
= 0xFFC0000000ULL
;
257 mc
->mc_vram_size
= 0xFFC0000000ULL
;
259 amdgpu_vram_location(adev
, &adev
->mc
, 0);
260 adev
->mc
.gtt_base_align
= 0;
261 amdgpu_gtt_location(adev
, mc
);
265 * gmc_v7_0_mc_program - program the GPU memory controller
267 * @adev: amdgpu_device pointer
269 * Set the location of vram, gart, and AGP in the GPU's
270 * physical address space (CIK).
272 static void gmc_v7_0_mc_program(struct amdgpu_device
*adev
)
274 struct amdgpu_mode_mc_save save
;
279 for (i
= 0, j
= 0; i
< 32; i
++, j
+= 0x6) {
280 WREG32((0xb05 + j
), 0x00000000);
281 WREG32((0xb06 + j
), 0x00000000);
282 WREG32((0xb07 + j
), 0x00000000);
283 WREG32((0xb08 + j
), 0x00000000);
284 WREG32((0xb09 + j
), 0x00000000);
286 WREG32(mmHDP_REG_COHERENCY_FLUSH_CNTL
, 0);
288 if (adev
->mode_info
.num_crtc
)
289 amdgpu_display_set_vga_render_state(adev
, false);
291 gmc_v7_0_mc_stop(adev
, &save
);
292 if (gmc_v7_0_wait_for_idle((void *)adev
)) {
293 dev_warn(adev
->dev
, "Wait for MC idle timedout !\n");
295 /* Update configuration */
296 WREG32(mmMC_VM_SYSTEM_APERTURE_LOW_ADDR
,
297 adev
->mc
.vram_start
>> 12);
298 WREG32(mmMC_VM_SYSTEM_APERTURE_HIGH_ADDR
,
299 adev
->mc
.vram_end
>> 12);
300 WREG32(mmMC_VM_SYSTEM_APERTURE_DEFAULT_ADDR
,
301 adev
->vram_scratch
.gpu_addr
>> 12);
302 tmp
= ((adev
->mc
.vram_end
>> 24) & 0xFFFF) << 16;
303 tmp
|= ((adev
->mc
.vram_start
>> 24) & 0xFFFF);
304 WREG32(mmMC_VM_FB_LOCATION
, tmp
);
305 /* XXX double check these! */
306 WREG32(mmHDP_NONSURFACE_BASE
, (adev
->mc
.vram_start
>> 8));
307 WREG32(mmHDP_NONSURFACE_INFO
, (2 << 7) | (1 << 30));
308 WREG32(mmHDP_NONSURFACE_SIZE
, 0x3FFFFFFF);
309 WREG32(mmMC_VM_AGP_BASE
, 0);
310 WREG32(mmMC_VM_AGP_TOP
, 0x0FFFFFFF);
311 WREG32(mmMC_VM_AGP_BOT
, 0x0FFFFFFF);
312 if (gmc_v7_0_wait_for_idle((void *)adev
)) {
313 dev_warn(adev
->dev
, "Wait for MC idle timedout !\n");
315 gmc_v7_0_mc_resume(adev
, &save
);
317 WREG32(mmBIF_FB_EN
, BIF_FB_EN__FB_READ_EN_MASK
| BIF_FB_EN__FB_WRITE_EN_MASK
);
319 tmp
= RREG32(mmHDP_MISC_CNTL
);
320 tmp
= REG_SET_FIELD(tmp
, HDP_MISC_CNTL
, FLUSH_INVALIDATE_CACHE
, 0);
321 WREG32(mmHDP_MISC_CNTL
, tmp
);
323 tmp
= RREG32(mmHDP_HOST_PATH_CNTL
);
324 WREG32(mmHDP_HOST_PATH_CNTL
, tmp
);
328 * gmc_v7_0_mc_init - initialize the memory controller driver params
330 * @adev: amdgpu_device pointer
332 * Look up the amount of vram, vram width, and decide how to place
333 * vram and gart within the GPU's physical address space (CIK).
334 * Returns 0 for success.
336 static int gmc_v7_0_mc_init(struct amdgpu_device
*adev
)
339 int chansize
, numchan
;
341 /* Get VRAM informations */
342 tmp
= RREG32(mmMC_ARB_RAMCFG
);
343 if (REG_GET_FIELD(tmp
, MC_ARB_RAMCFG
, CHANSIZE
)) {
348 tmp
= RREG32(mmMC_SHARED_CHMAP
);
349 switch (REG_GET_FIELD(tmp
, MC_SHARED_CHMAP
, NOOFCHAN
)) {
379 adev
->mc
.vram_width
= numchan
* chansize
;
380 /* Could aper size report 0 ? */
381 adev
->mc
.aper_base
= pci_resource_start(adev
->pdev
, 0);
382 adev
->mc
.aper_size
= pci_resource_len(adev
->pdev
, 0);
383 /* size in MB on si */
384 adev
->mc
.mc_vram_size
= RREG32(mmCONFIG_MEMSIZE
) * 1024ULL * 1024ULL;
385 adev
->mc
.real_vram_size
= RREG32(mmCONFIG_MEMSIZE
) * 1024ULL * 1024ULL;
386 adev
->mc
.visible_vram_size
= adev
->mc
.aper_size
;
388 /* In case the PCI BAR is larger than the actual amount of vram */
389 if (adev
->mc
.visible_vram_size
> adev
->mc
.real_vram_size
)
390 adev
->mc
.visible_vram_size
= adev
->mc
.real_vram_size
;
392 /* unless the user had overridden it, set the gart
393 * size equal to the 1024 or vram, whichever is larger.
395 if (amdgpu_gart_size
== -1)
396 adev
->mc
.gtt_size
= max((1024ULL << 20), adev
->mc
.mc_vram_size
);
398 adev
->mc
.gtt_size
= (uint64_t)amdgpu_gart_size
<< 20;
400 gmc_v7_0_vram_gtt_location(adev
, &adev
->mc
);
407 * VMID 0 is the physical GPU addresses as used by the kernel.
408 * VMIDs 1-15 are used for userspace clients and are handled
409 * by the amdgpu vm/hsa code.
413 * gmc_v7_0_gart_flush_gpu_tlb - gart tlb flush callback
415 * @adev: amdgpu_device pointer
416 * @vmid: vm instance to flush
418 * Flush the TLB for the requested page table (CIK).
420 static void gmc_v7_0_gart_flush_gpu_tlb(struct amdgpu_device
*adev
,
423 /* flush hdp cache */
424 WREG32(mmHDP_MEM_COHERENCY_FLUSH_CNTL
, 0);
426 /* bits 0-15 are the VM contexts0-15 */
427 WREG32(mmVM_INVALIDATE_REQUEST
, 1 << vmid
);
431 * gmc_v7_0_gart_set_pte_pde - update the page tables using MMIO
433 * @adev: amdgpu_device pointer
434 * @cpu_pt_addr: cpu address of the page table
435 * @gpu_page_idx: entry in the page table to update
436 * @addr: dst addr to write into pte/pde
437 * @flags: access flags
439 * Update the page tables using the CPU.
441 static int gmc_v7_0_gart_set_pte_pde(struct amdgpu_device
*adev
,
443 uint32_t gpu_page_idx
,
447 void __iomem
*ptr
= (void *)cpu_pt_addr
;
450 value
= addr
& 0xFFFFFFFFFFFFF000ULL
;
452 writeq(value
, ptr
+ (gpu_page_idx
* 8));
458 * gmc_v8_0_set_fault_enable_default - update VM fault handling
460 * @adev: amdgpu_device pointer
461 * @value: true redirects VM faults to the default page
463 static void gmc_v7_0_set_fault_enable_default(struct amdgpu_device
*adev
,
468 tmp
= RREG32(mmVM_CONTEXT1_CNTL
);
469 tmp
= REG_SET_FIELD(tmp
, VM_CONTEXT1_CNTL
,
470 RANGE_PROTECTION_FAULT_ENABLE_DEFAULT
, value
);
471 tmp
= REG_SET_FIELD(tmp
, VM_CONTEXT1_CNTL
,
472 DUMMY_PAGE_PROTECTION_FAULT_ENABLE_DEFAULT
, value
);
473 tmp
= REG_SET_FIELD(tmp
, VM_CONTEXT1_CNTL
,
474 PDE0_PROTECTION_FAULT_ENABLE_DEFAULT
, value
);
475 tmp
= REG_SET_FIELD(tmp
, VM_CONTEXT1_CNTL
,
476 VALID_PROTECTION_FAULT_ENABLE_DEFAULT
, value
);
477 tmp
= REG_SET_FIELD(tmp
, VM_CONTEXT1_CNTL
,
478 READ_PROTECTION_FAULT_ENABLE_DEFAULT
, value
);
479 tmp
= REG_SET_FIELD(tmp
, VM_CONTEXT1_CNTL
,
480 WRITE_PROTECTION_FAULT_ENABLE_DEFAULT
, value
);
481 WREG32(mmVM_CONTEXT1_CNTL
, tmp
);
485 * gmc_v7_0_gart_enable - gart enable
487 * @adev: amdgpu_device pointer
489 * This sets up the TLBs, programs the page tables for VMID0,
490 * sets up the hw for VMIDs 1-15 which are allocated on
491 * demand, and sets up the global locations for the LDS, GDS,
492 * and GPUVM for FSA64 clients (CIK).
493 * Returns 0 for success, errors for failure.
495 static int gmc_v7_0_gart_enable(struct amdgpu_device
*adev
)
500 if (adev
->gart
.robj
== NULL
) {
501 dev_err(adev
->dev
, "No VRAM object for PCIE GART.\n");
504 r
= amdgpu_gart_table_vram_pin(adev
);
507 /* Setup TLB control */
508 tmp
= RREG32(mmMC_VM_MX_L1_TLB_CNTL
);
509 tmp
= REG_SET_FIELD(tmp
, MC_VM_MX_L1_TLB_CNTL
, ENABLE_L1_TLB
, 1);
510 tmp
= REG_SET_FIELD(tmp
, MC_VM_MX_L1_TLB_CNTL
, ENABLE_L1_FRAGMENT_PROCESSING
, 1);
511 tmp
= REG_SET_FIELD(tmp
, MC_VM_MX_L1_TLB_CNTL
, SYSTEM_ACCESS_MODE
, 3);
512 tmp
= REG_SET_FIELD(tmp
, MC_VM_MX_L1_TLB_CNTL
, ENABLE_ADVANCED_DRIVER_MODEL
, 1);
513 tmp
= REG_SET_FIELD(tmp
, MC_VM_MX_L1_TLB_CNTL
, SYSTEM_APERTURE_UNMAPPED_ACCESS
, 0);
514 WREG32(mmMC_VM_MX_L1_TLB_CNTL
, tmp
);
516 tmp
= RREG32(mmVM_L2_CNTL
);
517 tmp
= REG_SET_FIELD(tmp
, VM_L2_CNTL
, ENABLE_L2_CACHE
, 1);
518 tmp
= REG_SET_FIELD(tmp
, VM_L2_CNTL
, ENABLE_L2_FRAGMENT_PROCESSING
, 1);
519 tmp
= REG_SET_FIELD(tmp
, VM_L2_CNTL
, ENABLE_L2_PTE_CACHE_LRU_UPDATE_BY_WRITE
, 1);
520 tmp
= REG_SET_FIELD(tmp
, VM_L2_CNTL
, ENABLE_L2_PDE0_CACHE_LRU_UPDATE_BY_WRITE
, 1);
521 tmp
= REG_SET_FIELD(tmp
, VM_L2_CNTL
, EFFECTIVE_L2_QUEUE_SIZE
, 7);
522 tmp
= REG_SET_FIELD(tmp
, VM_L2_CNTL
, CONTEXT1_IDENTITY_ACCESS_MODE
, 1);
523 tmp
= REG_SET_FIELD(tmp
, VM_L2_CNTL
, ENABLE_DEFAULT_PAGE_OUT_TO_SYSTEM_MEMORY
, 1);
524 WREG32(mmVM_L2_CNTL
, tmp
);
525 tmp
= REG_SET_FIELD(0, VM_L2_CNTL2
, INVALIDATE_ALL_L1_TLBS
, 1);
526 tmp
= REG_SET_FIELD(tmp
, VM_L2_CNTL2
, INVALIDATE_L2_CACHE
, 1);
527 WREG32(mmVM_L2_CNTL2
, tmp
);
528 tmp
= RREG32(mmVM_L2_CNTL3
);
529 tmp
= REG_SET_FIELD(tmp
, VM_L2_CNTL3
, L2_CACHE_BIGK_ASSOCIATIVITY
, 1);
530 tmp
= REG_SET_FIELD(tmp
, VM_L2_CNTL3
, BANK_SELECT
, 4);
531 tmp
= REG_SET_FIELD(tmp
, VM_L2_CNTL3
, L2_CACHE_BIGK_FRAGMENT_SIZE
, 4);
532 WREG32(mmVM_L2_CNTL3
, tmp
);
534 WREG32(mmVM_CONTEXT0_PAGE_TABLE_START_ADDR
, adev
->mc
.gtt_start
>> 12);
535 WREG32(mmVM_CONTEXT0_PAGE_TABLE_END_ADDR
, adev
->mc
.gtt_end
>> 12);
536 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR
, adev
->gart
.table_addr
>> 12);
537 WREG32(mmVM_CONTEXT0_PROTECTION_FAULT_DEFAULT_ADDR
,
538 (u32
)(adev
->dummy_page
.addr
>> 12));
539 WREG32(mmVM_CONTEXT0_CNTL2
, 0);
540 tmp
= RREG32(mmVM_CONTEXT0_CNTL
);
541 tmp
= REG_SET_FIELD(tmp
, VM_CONTEXT0_CNTL
, ENABLE_CONTEXT
, 1);
542 tmp
= REG_SET_FIELD(tmp
, VM_CONTEXT0_CNTL
, PAGE_TABLE_DEPTH
, 0);
543 tmp
= REG_SET_FIELD(tmp
, VM_CONTEXT0_CNTL
, RANGE_PROTECTION_FAULT_ENABLE_DEFAULT
, 1);
544 WREG32(mmVM_CONTEXT0_CNTL
, tmp
);
550 /* empty context1-15 */
551 /* FIXME start with 4G, once using 2 level pt switch to full
554 /* set vm size, must be a multiple of 4 */
555 WREG32(mmVM_CONTEXT1_PAGE_TABLE_START_ADDR
, 0);
556 WREG32(mmVM_CONTEXT1_PAGE_TABLE_END_ADDR
, adev
->vm_manager
.max_pfn
- 1);
557 for (i
= 1; i
< 16; i
++) {
559 WREG32(mmVM_CONTEXT0_PAGE_TABLE_BASE_ADDR
+ i
,
560 adev
->gart
.table_addr
>> 12);
562 WREG32(mmVM_CONTEXT8_PAGE_TABLE_BASE_ADDR
+ i
- 8,
563 adev
->gart
.table_addr
>> 12);
566 /* enable context1-15 */
567 WREG32(mmVM_CONTEXT1_PROTECTION_FAULT_DEFAULT_ADDR
,
568 (u32
)(adev
->dummy_page
.addr
>> 12));
569 WREG32(mmVM_CONTEXT1_CNTL2
, 4);
570 tmp
= RREG32(mmVM_CONTEXT1_CNTL
);
571 tmp
= REG_SET_FIELD(tmp
, VM_CONTEXT1_CNTL
, ENABLE_CONTEXT
, 1);
572 tmp
= REG_SET_FIELD(tmp
, VM_CONTEXT1_CNTL
, PAGE_TABLE_DEPTH
, 1);
573 tmp
= REG_SET_FIELD(tmp
, VM_CONTEXT1_CNTL
, PAGE_TABLE_BLOCK_SIZE
,
574 amdgpu_vm_block_size
- 9);
575 WREG32(mmVM_CONTEXT1_CNTL
, tmp
);
576 if (amdgpu_vm_fault_stop
== AMDGPU_VM_FAULT_STOP_ALWAYS
)
577 gmc_v7_0_set_fault_enable_default(adev
, false);
579 gmc_v7_0_set_fault_enable_default(adev
, true);
581 if (adev
->asic_type
== CHIP_KAVERI
) {
582 tmp
= RREG32(mmCHUB_CONTROL
);
584 WREG32(mmCHUB_CONTROL
, tmp
);
587 gmc_v7_0_gart_flush_gpu_tlb(adev
, 0);
588 DRM_INFO("PCIE GART of %uM enabled (table at 0x%016llX).\n",
589 (unsigned)(adev
->mc
.gtt_size
>> 20),
590 (unsigned long long)adev
->gart
.table_addr
);
591 adev
->gart
.ready
= true;
595 static int gmc_v7_0_gart_init(struct amdgpu_device
*adev
)
599 if (adev
->gart
.robj
) {
600 WARN(1, "R600 PCIE GART already initialized\n");
603 /* Initialize common gart structure */
604 r
= amdgpu_gart_init(adev
);
607 adev
->gart
.table_size
= adev
->gart
.num_gpu_pages
* 8;
608 return amdgpu_gart_table_vram_alloc(adev
);
612 * gmc_v7_0_gart_disable - gart disable
614 * @adev: amdgpu_device pointer
616 * This disables all VM page table (CIK).
618 static void gmc_v7_0_gart_disable(struct amdgpu_device
*adev
)
622 /* Disable all tables */
623 WREG32(mmVM_CONTEXT0_CNTL
, 0);
624 WREG32(mmVM_CONTEXT1_CNTL
, 0);
625 /* Setup TLB control */
626 tmp
= RREG32(mmMC_VM_MX_L1_TLB_CNTL
);
627 tmp
= REG_SET_FIELD(tmp
, MC_VM_MX_L1_TLB_CNTL
, ENABLE_L1_TLB
, 0);
628 tmp
= REG_SET_FIELD(tmp
, MC_VM_MX_L1_TLB_CNTL
, ENABLE_L1_FRAGMENT_PROCESSING
, 0);
629 tmp
= REG_SET_FIELD(tmp
, MC_VM_MX_L1_TLB_CNTL
, ENABLE_ADVANCED_DRIVER_MODEL
, 0);
630 WREG32(mmMC_VM_MX_L1_TLB_CNTL
, tmp
);
632 tmp
= RREG32(mmVM_L2_CNTL
);
633 tmp
= REG_SET_FIELD(tmp
, VM_L2_CNTL
, ENABLE_L2_CACHE
, 0);
634 WREG32(mmVM_L2_CNTL
, tmp
);
635 WREG32(mmVM_L2_CNTL2
, 0);
636 amdgpu_gart_table_vram_unpin(adev
);
640 * gmc_v7_0_gart_fini - vm fini callback
642 * @adev: amdgpu_device pointer
644 * Tears down the driver GART/VM setup (CIK).
646 static void gmc_v7_0_gart_fini(struct amdgpu_device
*adev
)
648 amdgpu_gart_table_vram_free(adev
);
649 amdgpu_gart_fini(adev
);
654 * VMID 0 is the physical GPU addresses as used by the kernel.
655 * VMIDs 1-15 are used for userspace clients and are handled
656 * by the amdgpu vm/hsa code.
659 * gmc_v7_0_vm_init - cik vm init callback
661 * @adev: amdgpu_device pointer
663 * Inits cik specific vm parameters (number of VMs, base of vram for
665 * Returns 0 for success.
667 static int gmc_v7_0_vm_init(struct amdgpu_device
*adev
)
671 * VMID 0 is reserved for System
672 * amdgpu graphics/compute will use VMIDs 1-7
673 * amdkfd will use VMIDs 8-15
675 adev
->vm_manager
.num_ids
= AMDGPU_NUM_OF_VMIDS
;
676 amdgpu_vm_manager_init(adev
);
678 /* base offset of vram pages */
679 if (adev
->flags
& AMD_IS_APU
) {
680 u64 tmp
= RREG32(mmMC_VM_FB_OFFSET
);
682 adev
->vm_manager
.vram_base_offset
= tmp
;
684 adev
->vm_manager
.vram_base_offset
= 0;
690 * gmc_v7_0_vm_fini - cik vm fini callback
692 * @adev: amdgpu_device pointer
694 * Tear down any asic specific VM setup (CIK).
696 static void gmc_v7_0_vm_fini(struct amdgpu_device
*adev
)
701 * gmc_v7_0_vm_decode_fault - print human readable fault info
703 * @adev: amdgpu_device pointer
704 * @status: VM_CONTEXT1_PROTECTION_FAULT_STATUS register value
705 * @addr: VM_CONTEXT1_PROTECTION_FAULT_ADDR register value
707 * Print human readable fault information (CIK).
709 static void gmc_v7_0_vm_decode_fault(struct amdgpu_device
*adev
,
710 u32 status
, u32 addr
, u32 mc_client
)
713 u32 vmid
= REG_GET_FIELD(status
, VM_CONTEXT1_PROTECTION_FAULT_STATUS
, VMID
);
714 u32 protections
= REG_GET_FIELD(status
, VM_CONTEXT1_PROTECTION_FAULT_STATUS
,
716 char block
[5] = { mc_client
>> 24, (mc_client
>> 16) & 0xff,
717 (mc_client
>> 8) & 0xff, mc_client
& 0xff, 0 };
719 mc_id
= REG_GET_FIELD(status
, VM_CONTEXT1_PROTECTION_FAULT_STATUS
,
722 printk("VM fault (0x%02x, vmid %d) at page %u, %s from '%s' (0x%08x) (%d)\n",
723 protections
, vmid
, addr
,
724 REG_GET_FIELD(status
, VM_CONTEXT1_PROTECTION_FAULT_STATUS
,
726 "write" : "read", block
, mc_client
, mc_id
);
730 static const u32 mc_cg_registers
[] = {
731 mmMC_HUB_MISC_HUB_CG
,
732 mmMC_HUB_MISC_SIP_CG
,
736 mmMC_CITF_MISC_WR_CG
,
737 mmMC_CITF_MISC_RD_CG
,
738 mmMC_CITF_MISC_VM_CG
,
742 static const u32 mc_cg_ls_en
[] = {
743 MC_HUB_MISC_HUB_CG__MEM_LS_ENABLE_MASK
,
744 MC_HUB_MISC_SIP_CG__MEM_LS_ENABLE_MASK
,
745 MC_HUB_MISC_VM_CG__MEM_LS_ENABLE_MASK
,
746 MC_XPB_CLK_GAT__MEM_LS_ENABLE_MASK
,
747 ATC_MISC_CG__MEM_LS_ENABLE_MASK
,
748 MC_CITF_MISC_WR_CG__MEM_LS_ENABLE_MASK
,
749 MC_CITF_MISC_RD_CG__MEM_LS_ENABLE_MASK
,
750 MC_CITF_MISC_VM_CG__MEM_LS_ENABLE_MASK
,
751 VM_L2_CG__MEM_LS_ENABLE_MASK
,
754 static const u32 mc_cg_en
[] = {
755 MC_HUB_MISC_HUB_CG__ENABLE_MASK
,
756 MC_HUB_MISC_SIP_CG__ENABLE_MASK
,
757 MC_HUB_MISC_VM_CG__ENABLE_MASK
,
758 MC_XPB_CLK_GAT__ENABLE_MASK
,
759 ATC_MISC_CG__ENABLE_MASK
,
760 MC_CITF_MISC_WR_CG__ENABLE_MASK
,
761 MC_CITF_MISC_RD_CG__ENABLE_MASK
,
762 MC_CITF_MISC_VM_CG__ENABLE_MASK
,
763 VM_L2_CG__ENABLE_MASK
,
766 static void gmc_v7_0_enable_mc_ls(struct amdgpu_device
*adev
,
772 for (i
= 0; i
< ARRAY_SIZE(mc_cg_registers
); i
++) {
773 orig
= data
= RREG32(mc_cg_registers
[i
]);
774 if (enable
&& (adev
->cg_flags
& AMD_CG_SUPPORT_MC_LS
))
775 data
|= mc_cg_ls_en
[i
];
777 data
&= ~mc_cg_ls_en
[i
];
779 WREG32(mc_cg_registers
[i
], data
);
783 static void gmc_v7_0_enable_mc_mgcg(struct amdgpu_device
*adev
,
789 for (i
= 0; i
< ARRAY_SIZE(mc_cg_registers
); i
++) {
790 orig
= data
= RREG32(mc_cg_registers
[i
]);
791 if (enable
&& (adev
->cg_flags
& AMD_CG_SUPPORT_MC_MGCG
))
794 data
&= ~mc_cg_en
[i
];
796 WREG32(mc_cg_registers
[i
], data
);
800 static void gmc_v7_0_enable_bif_mgls(struct amdgpu_device
*adev
,
805 orig
= data
= RREG32_PCIE(ixPCIE_CNTL2
);
807 if (enable
&& (adev
->cg_flags
& AMD_CG_SUPPORT_BIF_LS
)) {
808 data
= REG_SET_FIELD(data
, PCIE_CNTL2
, SLV_MEM_LS_EN
, 1);
809 data
= REG_SET_FIELD(data
, PCIE_CNTL2
, MST_MEM_LS_EN
, 1);
810 data
= REG_SET_FIELD(data
, PCIE_CNTL2
, REPLAY_MEM_LS_EN
, 1);
811 data
= REG_SET_FIELD(data
, PCIE_CNTL2
, SLV_MEM_AGGRESSIVE_LS_EN
, 1);
813 data
= REG_SET_FIELD(data
, PCIE_CNTL2
, SLV_MEM_LS_EN
, 0);
814 data
= REG_SET_FIELD(data
, PCIE_CNTL2
, MST_MEM_LS_EN
, 0);
815 data
= REG_SET_FIELD(data
, PCIE_CNTL2
, REPLAY_MEM_LS_EN
, 0);
816 data
= REG_SET_FIELD(data
, PCIE_CNTL2
, SLV_MEM_AGGRESSIVE_LS_EN
, 0);
820 WREG32_PCIE(ixPCIE_CNTL2
, data
);
823 static void gmc_v7_0_enable_hdp_mgcg(struct amdgpu_device
*adev
,
828 orig
= data
= RREG32(mmHDP_HOST_PATH_CNTL
);
830 if (enable
&& (adev
->cg_flags
& AMD_CG_SUPPORT_HDP_MGCG
))
831 data
= REG_SET_FIELD(data
, HDP_HOST_PATH_CNTL
, CLOCK_GATING_DIS
, 0);
833 data
= REG_SET_FIELD(data
, HDP_HOST_PATH_CNTL
, CLOCK_GATING_DIS
, 1);
836 WREG32(mmHDP_HOST_PATH_CNTL
, data
);
839 static void gmc_v7_0_enable_hdp_ls(struct amdgpu_device
*adev
,
844 orig
= data
= RREG32(mmHDP_MEM_POWER_LS
);
846 if (enable
&& (adev
->cg_flags
& AMD_CG_SUPPORT_HDP_LS
))
847 data
= REG_SET_FIELD(data
, HDP_MEM_POWER_LS
, LS_ENABLE
, 1);
849 data
= REG_SET_FIELD(data
, HDP_MEM_POWER_LS
, LS_ENABLE
, 0);
852 WREG32(mmHDP_MEM_POWER_LS
, data
);
855 static int gmc_v7_0_convert_vram_type(int mc_seq_vram_type
)
857 switch (mc_seq_vram_type
) {
858 case MC_SEQ_MISC0__MT__GDDR1
:
859 return AMDGPU_VRAM_TYPE_GDDR1
;
860 case MC_SEQ_MISC0__MT__DDR2
:
861 return AMDGPU_VRAM_TYPE_DDR2
;
862 case MC_SEQ_MISC0__MT__GDDR3
:
863 return AMDGPU_VRAM_TYPE_GDDR3
;
864 case MC_SEQ_MISC0__MT__GDDR4
:
865 return AMDGPU_VRAM_TYPE_GDDR4
;
866 case MC_SEQ_MISC0__MT__GDDR5
:
867 return AMDGPU_VRAM_TYPE_GDDR5
;
868 case MC_SEQ_MISC0__MT__HBM
:
869 return AMDGPU_VRAM_TYPE_HBM
;
870 case MC_SEQ_MISC0__MT__DDR3
:
871 return AMDGPU_VRAM_TYPE_DDR3
;
873 return AMDGPU_VRAM_TYPE_UNKNOWN
;
877 static int gmc_v7_0_early_init(void *handle
)
879 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
881 gmc_v7_0_set_gart_funcs(adev
);
882 gmc_v7_0_set_irq_funcs(adev
);
887 static int gmc_v7_0_late_init(void *handle
)
889 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
891 if (amdgpu_vm_fault_stop
!= AMDGPU_VM_FAULT_STOP_ALWAYS
)
892 return amdgpu_irq_get(adev
, &adev
->mc
.vm_fault
, 0);
897 static int gmc_v7_0_sw_init(void *handle
)
901 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
903 if (adev
->flags
& AMD_IS_APU
) {
904 adev
->mc
.vram_type
= AMDGPU_VRAM_TYPE_UNKNOWN
;
906 u32 tmp
= RREG32(mmMC_SEQ_MISC0
);
907 tmp
&= MC_SEQ_MISC0__MT__MASK
;
908 adev
->mc
.vram_type
= gmc_v7_0_convert_vram_type(tmp
);
911 r
= amdgpu_irq_add_id(adev
, 146, &adev
->mc
.vm_fault
);
915 r
= amdgpu_irq_add_id(adev
, 147, &adev
->mc
.vm_fault
);
919 /* Adjust VM size here.
920 * Currently set to 4GB ((1 << 20) 4k pages).
921 * Max GPUVM size for cayman and SI is 40 bits.
923 adev
->vm_manager
.max_pfn
= amdgpu_vm_size
<< 18;
925 /* Set the internal MC address mask
926 * This is the max address of the GPU's
927 * internal address space.
929 adev
->mc
.mc_mask
= 0xffffffffffULL
; /* 40 bit MC */
931 /* set DMA mask + need_dma32 flags.
932 * PCIE - can handle 40-bits.
933 * IGP - can handle 40-bits
934 * PCI - dma32 for legacy pci gart, 40 bits on newer asics
936 adev
->need_dma32
= false;
937 dma_bits
= adev
->need_dma32
? 32 : 40;
938 r
= pci_set_dma_mask(adev
->pdev
, DMA_BIT_MASK(dma_bits
));
940 adev
->need_dma32
= true;
942 printk(KERN_WARNING
"amdgpu: No suitable DMA available.\n");
944 r
= pci_set_consistent_dma_mask(adev
->pdev
, DMA_BIT_MASK(dma_bits
));
946 pci_set_consistent_dma_mask(adev
->pdev
, DMA_BIT_MASK(32));
947 printk(KERN_WARNING
"amdgpu: No coherent DMA available.\n");
950 r
= gmc_v7_0_init_microcode(adev
);
952 DRM_ERROR("Failed to load mc firmware!\n");
956 r
= gmc_v7_0_mc_init(adev
);
961 r
= amdgpu_bo_init(adev
);
965 r
= gmc_v7_0_gart_init(adev
);
969 if (!adev
->vm_manager
.enabled
) {
970 r
= gmc_v7_0_vm_init(adev
);
972 dev_err(adev
->dev
, "vm manager initialization failed (%d).\n", r
);
975 adev
->vm_manager
.enabled
= true;
981 static int gmc_v7_0_sw_fini(void *handle
)
983 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
985 if (adev
->vm_manager
.enabled
) {
986 amdgpu_vm_manager_fini(adev
);
987 gmc_v7_0_vm_fini(adev
);
988 adev
->vm_manager
.enabled
= false;
990 gmc_v7_0_gart_fini(adev
);
991 amdgpu_gem_force_release(adev
);
992 amdgpu_bo_fini(adev
);
997 static int gmc_v7_0_hw_init(void *handle
)
1000 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
1002 gmc_v7_0_init_golden_registers(adev
);
1004 gmc_v7_0_mc_program(adev
);
1006 if (!(adev
->flags
& AMD_IS_APU
)) {
1007 r
= gmc_v7_0_mc_load_microcode(adev
);
1009 DRM_ERROR("Failed to load MC firmware!\n");
1014 r
= gmc_v7_0_gart_enable(adev
);
1021 static int gmc_v7_0_hw_fini(void *handle
)
1023 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
1025 amdgpu_irq_put(adev
, &adev
->mc
.vm_fault
, 0);
1026 gmc_v7_0_gart_disable(adev
);
1031 static int gmc_v7_0_suspend(void *handle
)
1033 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
1035 if (adev
->vm_manager
.enabled
) {
1036 gmc_v7_0_vm_fini(adev
);
1037 adev
->vm_manager
.enabled
= false;
1039 gmc_v7_0_hw_fini(adev
);
1044 static int gmc_v7_0_resume(void *handle
)
1047 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
1049 r
= gmc_v7_0_hw_init(adev
);
1053 if (!adev
->vm_manager
.enabled
) {
1054 r
= gmc_v7_0_vm_init(adev
);
1056 dev_err(adev
->dev
, "vm manager initialization failed (%d).\n", r
);
1059 adev
->vm_manager
.enabled
= true;
1065 static bool gmc_v7_0_is_idle(void *handle
)
1067 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
1068 u32 tmp
= RREG32(mmSRBM_STATUS
);
1070 if (tmp
& (SRBM_STATUS__MCB_BUSY_MASK
| SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK
|
1071 SRBM_STATUS__MCC_BUSY_MASK
| SRBM_STATUS__MCD_BUSY_MASK
| SRBM_STATUS__VMC_BUSY_MASK
))
1077 static int gmc_v7_0_wait_for_idle(void *handle
)
1081 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
1083 for (i
= 0; i
< adev
->usec_timeout
; i
++) {
1084 /* read MC_STATUS */
1085 tmp
= RREG32(mmSRBM_STATUS
) & (SRBM_STATUS__MCB_BUSY_MASK
|
1086 SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK
|
1087 SRBM_STATUS__MCC_BUSY_MASK
|
1088 SRBM_STATUS__MCD_BUSY_MASK
|
1089 SRBM_STATUS__VMC_BUSY_MASK
);
1098 static int gmc_v7_0_soft_reset(void *handle
)
1100 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
1101 struct amdgpu_mode_mc_save save
;
1102 u32 srbm_soft_reset
= 0;
1103 u32 tmp
= RREG32(mmSRBM_STATUS
);
1105 if (tmp
& SRBM_STATUS__VMC_BUSY_MASK
)
1106 srbm_soft_reset
= REG_SET_FIELD(srbm_soft_reset
,
1107 SRBM_SOFT_RESET
, SOFT_RESET_VMC
, 1);
1109 if (tmp
& (SRBM_STATUS__MCB_BUSY_MASK
| SRBM_STATUS__MCB_NON_DISPLAY_BUSY_MASK
|
1110 SRBM_STATUS__MCC_BUSY_MASK
| SRBM_STATUS__MCD_BUSY_MASK
)) {
1111 if (!(adev
->flags
& AMD_IS_APU
))
1112 srbm_soft_reset
= REG_SET_FIELD(srbm_soft_reset
,
1113 SRBM_SOFT_RESET
, SOFT_RESET_MC
, 1);
1116 if (srbm_soft_reset
) {
1117 gmc_v7_0_mc_stop(adev
, &save
);
1118 if (gmc_v7_0_wait_for_idle((void *)adev
)) {
1119 dev_warn(adev
->dev
, "Wait for GMC idle timed out !\n");
1123 tmp
= RREG32(mmSRBM_SOFT_RESET
);
1124 tmp
|= srbm_soft_reset
;
1125 dev_info(adev
->dev
, "SRBM_SOFT_RESET=0x%08X\n", tmp
);
1126 WREG32(mmSRBM_SOFT_RESET
, tmp
);
1127 tmp
= RREG32(mmSRBM_SOFT_RESET
);
1131 tmp
&= ~srbm_soft_reset
;
1132 WREG32(mmSRBM_SOFT_RESET
, tmp
);
1133 tmp
= RREG32(mmSRBM_SOFT_RESET
);
1135 /* Wait a little for things to settle down */
1138 gmc_v7_0_mc_resume(adev
, &save
);
1145 static int gmc_v7_0_vm_fault_interrupt_state(struct amdgpu_device
*adev
,
1146 struct amdgpu_irq_src
*src
,
1148 enum amdgpu_interrupt_state state
)
1151 u32 bits
= (VM_CONTEXT1_CNTL__RANGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK
|
1152 VM_CONTEXT1_CNTL__DUMMY_PAGE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK
|
1153 VM_CONTEXT1_CNTL__PDE0_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK
|
1154 VM_CONTEXT1_CNTL__VALID_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK
|
1155 VM_CONTEXT1_CNTL__READ_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK
|
1156 VM_CONTEXT1_CNTL__WRITE_PROTECTION_FAULT_ENABLE_INTERRUPT_MASK
);
1159 case AMDGPU_IRQ_STATE_DISABLE
:
1160 /* system context */
1161 tmp
= RREG32(mmVM_CONTEXT0_CNTL
);
1163 WREG32(mmVM_CONTEXT0_CNTL
, tmp
);
1165 tmp
= RREG32(mmVM_CONTEXT1_CNTL
);
1167 WREG32(mmVM_CONTEXT1_CNTL
, tmp
);
1169 case AMDGPU_IRQ_STATE_ENABLE
:
1170 /* system context */
1171 tmp
= RREG32(mmVM_CONTEXT0_CNTL
);
1173 WREG32(mmVM_CONTEXT0_CNTL
, tmp
);
1175 tmp
= RREG32(mmVM_CONTEXT1_CNTL
);
1177 WREG32(mmVM_CONTEXT1_CNTL
, tmp
);
1186 static int gmc_v7_0_process_interrupt(struct amdgpu_device
*adev
,
1187 struct amdgpu_irq_src
*source
,
1188 struct amdgpu_iv_entry
*entry
)
1190 u32 addr
, status
, mc_client
;
1192 addr
= RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_ADDR
);
1193 status
= RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_STATUS
);
1194 mc_client
= RREG32(mmVM_CONTEXT1_PROTECTION_FAULT_MCCLIENT
);
1195 /* reset addr and status */
1196 WREG32_P(mmVM_CONTEXT1_CNTL2
, 1, ~1);
1198 if (!addr
&& !status
)
1201 if (amdgpu_vm_fault_stop
== AMDGPU_VM_FAULT_STOP_FIRST
)
1202 gmc_v7_0_set_fault_enable_default(adev
, false);
1204 dev_err(adev
->dev
, "GPU fault detected: %d 0x%08x\n",
1205 entry
->src_id
, entry
->src_data
);
1206 dev_err(adev
->dev
, " VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x%08X\n",
1208 dev_err(adev
->dev
, " VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x%08X\n",
1210 gmc_v7_0_vm_decode_fault(adev
, status
, addr
, mc_client
);
1215 static int gmc_v7_0_set_clockgating_state(void *handle
,
1216 enum amd_clockgating_state state
)
1219 struct amdgpu_device
*adev
= (struct amdgpu_device
*)handle
;
1221 if (state
== AMD_CG_STATE_GATE
)
1224 if (!(adev
->flags
& AMD_IS_APU
)) {
1225 gmc_v7_0_enable_mc_mgcg(adev
, gate
);
1226 gmc_v7_0_enable_mc_ls(adev
, gate
);
1228 gmc_v7_0_enable_bif_mgls(adev
, gate
);
1229 gmc_v7_0_enable_hdp_mgcg(adev
, gate
);
1230 gmc_v7_0_enable_hdp_ls(adev
, gate
);
1235 static int gmc_v7_0_set_powergating_state(void *handle
,
1236 enum amd_powergating_state state
)
1241 const struct amd_ip_funcs gmc_v7_0_ip_funcs
= {
1243 .early_init
= gmc_v7_0_early_init
,
1244 .late_init
= gmc_v7_0_late_init
,
1245 .sw_init
= gmc_v7_0_sw_init
,
1246 .sw_fini
= gmc_v7_0_sw_fini
,
1247 .hw_init
= gmc_v7_0_hw_init
,
1248 .hw_fini
= gmc_v7_0_hw_fini
,
1249 .suspend
= gmc_v7_0_suspend
,
1250 .resume
= gmc_v7_0_resume
,
1251 .is_idle
= gmc_v7_0_is_idle
,
1252 .wait_for_idle
= gmc_v7_0_wait_for_idle
,
1253 .soft_reset
= gmc_v7_0_soft_reset
,
1254 .set_clockgating_state
= gmc_v7_0_set_clockgating_state
,
1255 .set_powergating_state
= gmc_v7_0_set_powergating_state
,
1258 static const struct amdgpu_gart_funcs gmc_v7_0_gart_funcs
= {
1259 .flush_gpu_tlb
= gmc_v7_0_gart_flush_gpu_tlb
,
1260 .set_pte_pde
= gmc_v7_0_gart_set_pte_pde
,
1263 static const struct amdgpu_irq_src_funcs gmc_v7_0_irq_funcs
= {
1264 .set
= gmc_v7_0_vm_fault_interrupt_state
,
1265 .process
= gmc_v7_0_process_interrupt
,
1268 static void gmc_v7_0_set_gart_funcs(struct amdgpu_device
*adev
)
1270 if (adev
->gart
.gart_funcs
== NULL
)
1271 adev
->gart
.gart_funcs
= &gmc_v7_0_gart_funcs
;
1274 static void gmc_v7_0_set_irq_funcs(struct amdgpu_device
*adev
)
1276 adev
->mc
.vm_fault
.num_types
= 1;
1277 adev
->mc
.vm_fault
.funcs
= &gmc_v7_0_irq_funcs
;