2 * Copyright 2008 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 * Copyright 2009 Jerome Glisse.
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 shall be included in
14 * all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
24 * Authors: Dave Airlie
28 #include <linux/kthread.h>
29 #include <linux/console.h>
30 #include <linux/slab.h>
31 #include <linux/debugfs.h>
33 #include <drm/drm_crtc_helper.h>
34 #include <drm/drm_atomic_helper.h>
35 #include <drm/amdgpu_drm.h>
36 #include <linux/vgaarb.h>
37 #include <linux/vga_switcheroo.h>
38 #include <linux/efi.h>
40 #include "amdgpu_trace.h"
41 #include "amdgpu_i2c.h"
43 #include "amdgpu_atombios.h"
44 #include "amdgpu_atomfirmware.h"
46 #ifdef CONFIG_DRM_AMDGPU_SI
49 #ifdef CONFIG_DRM_AMDGPU_CIK
54 #include "bif/bif_4_1_d.h"
55 #include <linux/pci.h>
56 #include <linux/firmware.h>
57 #include "amdgpu_vf_error.h"
59 #include "amdgpu_amdkfd.h"
60 #include "amdgpu_pm.h"
62 MODULE_FIRMWARE("amdgpu/vega10_gpu_info.bin");
63 MODULE_FIRMWARE("amdgpu/raven_gpu_info.bin");
65 #define AMDGPU_RESUME_MS 2000
67 static int amdgpu_debugfs_regs_init(struct amdgpu_device
*adev
);
68 static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device
*adev
);
69 static int amdgpu_debugfs_test_ib_ring_init(struct amdgpu_device
*adev
);
70 static int amdgpu_debugfs_vbios_dump_init(struct amdgpu_device
*adev
);
72 static const char *amdgpu_asic_name
[] = {
96 bool amdgpu_device_is_px(struct drm_device
*dev
)
98 struct amdgpu_device
*adev
= dev
->dev_private
;
100 if (adev
->flags
& AMD_IS_PX
)
106 * MMIO register access helper functions.
108 uint32_t amdgpu_mm_rreg(struct amdgpu_device
*adev
, uint32_t reg
,
113 if (!(acc_flags
& AMDGPU_REGS_NO_KIQ
) && amdgpu_sriov_runtime(adev
))
114 return amdgpu_virt_kiq_rreg(adev
, reg
);
116 if ((reg
* 4) < adev
->rmmio_size
&& !(acc_flags
& AMDGPU_REGS_IDX
))
117 ret
= readl(((void __iomem
*)adev
->rmmio
) + (reg
* 4));
121 spin_lock_irqsave(&adev
->mmio_idx_lock
, flags
);
122 writel((reg
* 4), ((void __iomem
*)adev
->rmmio
) + (mmMM_INDEX
* 4));
123 ret
= readl(((void __iomem
*)adev
->rmmio
) + (mmMM_DATA
* 4));
124 spin_unlock_irqrestore(&adev
->mmio_idx_lock
, flags
);
126 trace_amdgpu_mm_rreg(adev
->pdev
->device
, reg
, ret
);
130 void amdgpu_mm_wreg(struct amdgpu_device
*adev
, uint32_t reg
, uint32_t v
,
133 trace_amdgpu_mm_wreg(adev
->pdev
->device
, reg
, v
);
135 if (adev
->asic_type
>= CHIP_VEGA10
&& reg
== 0) {
136 adev
->last_mm_index
= v
;
139 if (!(acc_flags
& AMDGPU_REGS_NO_KIQ
) && amdgpu_sriov_runtime(adev
))
140 return amdgpu_virt_kiq_wreg(adev
, reg
, v
);
142 if ((reg
* 4) < adev
->rmmio_size
&& !(acc_flags
& AMDGPU_REGS_IDX
))
143 writel(v
, ((void __iomem
*)adev
->rmmio
) + (reg
* 4));
147 spin_lock_irqsave(&adev
->mmio_idx_lock
, flags
);
148 writel((reg
* 4), ((void __iomem
*)adev
->rmmio
) + (mmMM_INDEX
* 4));
149 writel(v
, ((void __iomem
*)adev
->rmmio
) + (mmMM_DATA
* 4));
150 spin_unlock_irqrestore(&adev
->mmio_idx_lock
, flags
);
153 if (adev
->asic_type
>= CHIP_VEGA10
&& reg
== 1 && adev
->last_mm_index
== 0x5702C) {
158 u32
amdgpu_io_rreg(struct amdgpu_device
*adev
, u32 reg
)
160 if ((reg
* 4) < adev
->rio_mem_size
)
161 return ioread32(adev
->rio_mem
+ (reg
* 4));
163 iowrite32((reg
* 4), adev
->rio_mem
+ (mmMM_INDEX
* 4));
164 return ioread32(adev
->rio_mem
+ (mmMM_DATA
* 4));
168 void amdgpu_io_wreg(struct amdgpu_device
*adev
, u32 reg
, u32 v
)
170 if (adev
->asic_type
>= CHIP_VEGA10
&& reg
== 0) {
171 adev
->last_mm_index
= v
;
174 if ((reg
* 4) < adev
->rio_mem_size
)
175 iowrite32(v
, adev
->rio_mem
+ (reg
* 4));
177 iowrite32((reg
* 4), adev
->rio_mem
+ (mmMM_INDEX
* 4));
178 iowrite32(v
, adev
->rio_mem
+ (mmMM_DATA
* 4));
181 if (adev
->asic_type
>= CHIP_VEGA10
&& reg
== 1 && adev
->last_mm_index
== 0x5702C) {
187 * amdgpu_mm_rdoorbell - read a doorbell dword
189 * @adev: amdgpu_device pointer
190 * @index: doorbell index
192 * Returns the value in the doorbell aperture at the
193 * requested doorbell index (CIK).
195 u32
amdgpu_mm_rdoorbell(struct amdgpu_device
*adev
, u32 index
)
197 if (index
< adev
->doorbell
.num_doorbells
) {
198 return readl(adev
->doorbell
.ptr
+ index
);
200 DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index
);
206 * amdgpu_mm_wdoorbell - write a doorbell dword
208 * @adev: amdgpu_device pointer
209 * @index: doorbell index
212 * Writes @v to the doorbell aperture at the
213 * requested doorbell index (CIK).
215 void amdgpu_mm_wdoorbell(struct amdgpu_device
*adev
, u32 index
, u32 v
)
217 if (index
< adev
->doorbell
.num_doorbells
) {
218 writel(v
, adev
->doorbell
.ptr
+ index
);
220 DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index
);
225 * amdgpu_mm_rdoorbell64 - read a doorbell Qword
227 * @adev: amdgpu_device pointer
228 * @index: doorbell index
230 * Returns the value in the doorbell aperture at the
231 * requested doorbell index (VEGA10+).
233 u64
amdgpu_mm_rdoorbell64(struct amdgpu_device
*adev
, u32 index
)
235 if (index
< adev
->doorbell
.num_doorbells
) {
236 return atomic64_read((atomic64_t
*)(adev
->doorbell
.ptr
+ index
));
238 DRM_ERROR("reading beyond doorbell aperture: 0x%08x!\n", index
);
244 * amdgpu_mm_wdoorbell64 - write a doorbell Qword
246 * @adev: amdgpu_device pointer
247 * @index: doorbell index
250 * Writes @v to the doorbell aperture at the
251 * requested doorbell index (VEGA10+).
253 void amdgpu_mm_wdoorbell64(struct amdgpu_device
*adev
, u32 index
, u64 v
)
255 if (index
< adev
->doorbell
.num_doorbells
) {
256 atomic64_set((atomic64_t
*)(adev
->doorbell
.ptr
+ index
), v
);
258 DRM_ERROR("writing beyond doorbell aperture: 0x%08x!\n", index
);
263 * amdgpu_invalid_rreg - dummy reg read function
265 * @adev: amdgpu device pointer
266 * @reg: offset of register
268 * Dummy register read function. Used for register blocks
269 * that certain asics don't have (all asics).
270 * Returns the value in the register.
272 static uint32_t amdgpu_invalid_rreg(struct amdgpu_device
*adev
, uint32_t reg
)
274 DRM_ERROR("Invalid callback to read register 0x%04X\n", reg
);
280 * amdgpu_invalid_wreg - dummy reg write function
282 * @adev: amdgpu device pointer
283 * @reg: offset of register
284 * @v: value to write to the register
286 * Dummy register read function. Used for register blocks
287 * that certain asics don't have (all asics).
289 static void amdgpu_invalid_wreg(struct amdgpu_device
*adev
, uint32_t reg
, uint32_t v
)
291 DRM_ERROR("Invalid callback to write register 0x%04X with 0x%08X\n",
297 * amdgpu_block_invalid_rreg - dummy reg read function
299 * @adev: amdgpu device pointer
300 * @block: offset of instance
301 * @reg: offset of register
303 * Dummy register read function. Used for register blocks
304 * that certain asics don't have (all asics).
305 * Returns the value in the register.
307 static uint32_t amdgpu_block_invalid_rreg(struct amdgpu_device
*adev
,
308 uint32_t block
, uint32_t reg
)
310 DRM_ERROR("Invalid callback to read register 0x%04X in block 0x%04X\n",
317 * amdgpu_block_invalid_wreg - dummy reg write function
319 * @adev: amdgpu device pointer
320 * @block: offset of instance
321 * @reg: offset of register
322 * @v: value to write to the register
324 * Dummy register read function. Used for register blocks
325 * that certain asics don't have (all asics).
327 static void amdgpu_block_invalid_wreg(struct amdgpu_device
*adev
,
329 uint32_t reg
, uint32_t v
)
331 DRM_ERROR("Invalid block callback to write register 0x%04X in block 0x%04X with 0x%08X\n",
336 static int amdgpu_vram_scratch_init(struct amdgpu_device
*adev
)
338 return amdgpu_bo_create_kernel(adev
, AMDGPU_GPU_PAGE_SIZE
,
339 PAGE_SIZE
, AMDGPU_GEM_DOMAIN_VRAM
,
340 &adev
->vram_scratch
.robj
,
341 &adev
->vram_scratch
.gpu_addr
,
342 (void **)&adev
->vram_scratch
.ptr
);
345 static void amdgpu_vram_scratch_fini(struct amdgpu_device
*adev
)
347 amdgpu_bo_free_kernel(&adev
->vram_scratch
.robj
, NULL
, NULL
);
351 * amdgpu_program_register_sequence - program an array of registers.
353 * @adev: amdgpu_device pointer
354 * @registers: pointer to the register array
355 * @array_size: size of the register array
357 * Programs an array or registers with and and or masks.
358 * This is a helper for setting golden registers.
360 void amdgpu_program_register_sequence(struct amdgpu_device
*adev
,
361 const u32
*registers
,
362 const u32 array_size
)
364 u32 tmp
, reg
, and_mask
, or_mask
;
370 for (i
= 0; i
< array_size
; i
+=3) {
371 reg
= registers
[i
+ 0];
372 and_mask
= registers
[i
+ 1];
373 or_mask
= registers
[i
+ 2];
375 if (and_mask
== 0xffffffff) {
386 void amdgpu_pci_config_reset(struct amdgpu_device
*adev
)
388 pci_write_config_dword(adev
->pdev
, 0x7c, AMDGPU_ASIC_RESET_DATA
);
392 * GPU doorbell aperture helpers function.
395 * amdgpu_doorbell_init - Init doorbell driver information.
397 * @adev: amdgpu_device pointer
399 * Init doorbell driver information (CIK)
400 * Returns 0 on success, error on failure.
402 static int amdgpu_doorbell_init(struct amdgpu_device
*adev
)
404 /* No doorbell on SI hardware generation */
405 if (adev
->asic_type
< CHIP_BONAIRE
) {
406 adev
->doorbell
.base
= 0;
407 adev
->doorbell
.size
= 0;
408 adev
->doorbell
.num_doorbells
= 0;
409 adev
->doorbell
.ptr
= NULL
;
413 /* doorbell bar mapping */
414 adev
->doorbell
.base
= pci_resource_start(adev
->pdev
, 2);
415 adev
->doorbell
.size
= pci_resource_len(adev
->pdev
, 2);
417 adev
->doorbell
.num_doorbells
= min_t(u32
, adev
->doorbell
.size
/ sizeof(u32
),
418 AMDGPU_DOORBELL_MAX_ASSIGNMENT
+1);
419 if (adev
->doorbell
.num_doorbells
== 0)
422 adev
->doorbell
.ptr
= ioremap(adev
->doorbell
.base
,
423 adev
->doorbell
.num_doorbells
*
425 if (adev
->doorbell
.ptr
== NULL
)
432 * amdgpu_doorbell_fini - Tear down doorbell driver information.
434 * @adev: amdgpu_device pointer
436 * Tear down doorbell driver information (CIK)
438 static void amdgpu_doorbell_fini(struct amdgpu_device
*adev
)
440 iounmap(adev
->doorbell
.ptr
);
441 adev
->doorbell
.ptr
= NULL
;
445 * amdgpu_doorbell_get_kfd_info - Report doorbell configuration required to
448 * @adev: amdgpu_device pointer
449 * @aperture_base: output returning doorbell aperture base physical address
450 * @aperture_size: output returning doorbell aperture size in bytes
451 * @start_offset: output returning # of doorbell bytes reserved for amdgpu.
453 * amdgpu and amdkfd share the doorbell aperture. amdgpu sets it up,
454 * takes doorbells required for its own rings and reports the setup to amdkfd.
455 * amdgpu reserved doorbells are at the start of the doorbell aperture.
457 void amdgpu_doorbell_get_kfd_info(struct amdgpu_device
*adev
,
458 phys_addr_t
*aperture_base
,
459 size_t *aperture_size
,
460 size_t *start_offset
)
463 * The first num_doorbells are used by amdgpu.
464 * amdkfd takes whatever's left in the aperture.
466 if (adev
->doorbell
.size
> adev
->doorbell
.num_doorbells
* sizeof(u32
)) {
467 *aperture_base
= adev
->doorbell
.base
;
468 *aperture_size
= adev
->doorbell
.size
;
469 *start_offset
= adev
->doorbell
.num_doorbells
* sizeof(u32
);
479 * Writeback is the method by which the GPU updates special pages in memory
480 * with the status of certain GPU events (fences, ring pointers,etc.).
484 * amdgpu_wb_fini - Disable Writeback and free memory
486 * @adev: amdgpu_device pointer
488 * Disables Writeback and frees the Writeback memory (all asics).
489 * Used at driver shutdown.
491 static void amdgpu_wb_fini(struct amdgpu_device
*adev
)
493 if (adev
->wb
.wb_obj
) {
494 amdgpu_bo_free_kernel(&adev
->wb
.wb_obj
,
496 (void **)&adev
->wb
.wb
);
497 adev
->wb
.wb_obj
= NULL
;
502 * amdgpu_wb_init- Init Writeback driver info and allocate memory
504 * @adev: amdgpu_device pointer
506 * Initializes writeback and allocates writeback memory (all asics).
507 * Used at driver startup.
508 * Returns 0 on success or an -error on failure.
510 static int amdgpu_wb_init(struct amdgpu_device
*adev
)
514 if (adev
->wb
.wb_obj
== NULL
) {
515 /* AMDGPU_MAX_WB * sizeof(uint32_t) * 8 = AMDGPU_MAX_WB 256bit slots */
516 r
= amdgpu_bo_create_kernel(adev
, AMDGPU_MAX_WB
* sizeof(uint32_t) * 8,
517 PAGE_SIZE
, AMDGPU_GEM_DOMAIN_GTT
,
518 &adev
->wb
.wb_obj
, &adev
->wb
.gpu_addr
,
519 (void **)&adev
->wb
.wb
);
521 dev_warn(adev
->dev
, "(%d) create WB bo failed\n", r
);
525 adev
->wb
.num_wb
= AMDGPU_MAX_WB
;
526 memset(&adev
->wb
.used
, 0, sizeof(adev
->wb
.used
));
528 /* clear wb memory */
529 memset((char *)adev
->wb
.wb
, 0, AMDGPU_MAX_WB
* sizeof(uint32_t));
536 * amdgpu_wb_get - Allocate a wb entry
538 * @adev: amdgpu_device pointer
541 * Allocate a wb slot for use by the driver (all asics).
542 * Returns 0 on success or -EINVAL on failure.
544 int amdgpu_wb_get(struct amdgpu_device
*adev
, u32
*wb
)
546 unsigned long offset
= find_first_zero_bit(adev
->wb
.used
, adev
->wb
.num_wb
);
548 if (offset
< adev
->wb
.num_wb
) {
549 __set_bit(offset
, adev
->wb
.used
);
550 *wb
= offset
<< 3; /* convert to dw offset */
558 * amdgpu_wb_free - Free a wb entry
560 * @adev: amdgpu_device pointer
563 * Free a wb slot allocated for use by the driver (all asics)
565 void amdgpu_wb_free(struct amdgpu_device
*adev
, u32 wb
)
567 if (wb
< adev
->wb
.num_wb
)
568 __clear_bit(wb
>> 3, adev
->wb
.used
);
572 * amdgpu_vram_location - try to find VRAM location
573 * @adev: amdgpu device structure holding all necessary informations
574 * @mc: memory controller structure holding memory informations
575 * @base: base address at which to put VRAM
577 * Function will try to place VRAM at base address provided
578 * as parameter (which is so far either PCI aperture address or
579 * for IGP TOM base address).
581 * If there is not enough space to fit the unvisible VRAM in the 32bits
582 * address space then we limit the VRAM size to the aperture.
584 * Note: We don't explicitly enforce VRAM start to be aligned on VRAM size,
585 * this shouldn't be a problem as we are using the PCI aperture as a reference.
586 * Otherwise this would be needed for rv280, all r3xx, and all r4xx, but
589 * Note: we use mc_vram_size as on some board we need to program the mc to
590 * cover the whole aperture even if VRAM size is inferior to aperture size
591 * Novell bug 204882 + along with lots of ubuntu ones
593 * Note: when limiting vram it's safe to overwritte real_vram_size because
594 * we are not in case where real_vram_size is inferior to mc_vram_size (ie
595 * note afected by bogus hw of Novell bug 204882 + along with lots of ubuntu
598 * Note: IGP TOM addr should be the same as the aperture addr, we don't
599 * explicitly check for that though.
601 * FIXME: when reducing VRAM size align new size on power of 2.
603 void amdgpu_vram_location(struct amdgpu_device
*adev
, struct amdgpu_mc
*mc
, u64 base
)
605 uint64_t limit
= (uint64_t)amdgpu_vram_limit
<< 20;
607 mc
->vram_start
= base
;
608 if (mc
->mc_vram_size
> (adev
->mc
.mc_mask
- base
+ 1)) {
609 dev_warn(adev
->dev
, "limiting VRAM to PCI aperture size\n");
610 mc
->real_vram_size
= mc
->aper_size
;
611 mc
->mc_vram_size
= mc
->aper_size
;
613 mc
->vram_end
= mc
->vram_start
+ mc
->mc_vram_size
- 1;
614 if (limit
&& limit
< mc
->real_vram_size
)
615 mc
->real_vram_size
= limit
;
616 dev_info(adev
->dev
, "VRAM: %lluM 0x%016llX - 0x%016llX (%lluM used)\n",
617 mc
->mc_vram_size
>> 20, mc
->vram_start
,
618 mc
->vram_end
, mc
->real_vram_size
>> 20);
622 * amdgpu_gart_location - try to find GTT location
623 * @adev: amdgpu device structure holding all necessary informations
624 * @mc: memory controller structure holding memory informations
626 * Function will place try to place GTT before or after VRAM.
628 * If GTT size is bigger than space left then we ajust GTT size.
629 * Thus function will never fails.
631 * FIXME: when reducing GTT size align new size on power of 2.
633 void amdgpu_gart_location(struct amdgpu_device
*adev
, struct amdgpu_mc
*mc
)
635 u64 size_af
, size_bf
;
637 size_af
= adev
->mc
.mc_mask
- mc
->vram_end
;
638 size_bf
= mc
->vram_start
;
639 if (size_bf
> size_af
) {
640 if (mc
->gart_size
> size_bf
) {
641 dev_warn(adev
->dev
, "limiting GTT\n");
642 mc
->gart_size
= size_bf
;
646 if (mc
->gart_size
> size_af
) {
647 dev_warn(adev
->dev
, "limiting GTT\n");
648 mc
->gart_size
= size_af
;
650 mc
->gart_start
= mc
->vram_end
+ 1;
652 mc
->gart_end
= mc
->gart_start
+ mc
->gart_size
- 1;
653 dev_info(adev
->dev
, "GTT: %lluM 0x%016llX - 0x%016llX\n",
654 mc
->gart_size
>> 20, mc
->gart_start
, mc
->gart_end
);
658 * Firmware Reservation functions
661 * amdgpu_fw_reserve_vram_fini - free fw reserved vram
663 * @adev: amdgpu_device pointer
665 * free fw reserved vram if it has been reserved.
667 void amdgpu_fw_reserve_vram_fini(struct amdgpu_device
*adev
)
669 amdgpu_bo_free_kernel(&adev
->fw_vram_usage
.reserved_bo
,
670 NULL
, &adev
->fw_vram_usage
.va
);
674 * amdgpu_fw_reserve_vram_init - create bo vram reservation from fw
676 * @adev: amdgpu_device pointer
678 * create bo vram reservation from fw.
680 int amdgpu_fw_reserve_vram_init(struct amdgpu_device
*adev
)
684 u64 vram_size
= adev
->mc
.visible_vram_size
;
686 adev
->fw_vram_usage
.va
= NULL
;
687 adev
->fw_vram_usage
.reserved_bo
= NULL
;
689 if (adev
->fw_vram_usage
.size
> 0 &&
690 adev
->fw_vram_usage
.size
<= vram_size
) {
692 r
= amdgpu_bo_create(adev
, adev
->fw_vram_usage
.size
,
694 AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED
|
695 AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS
, NULL
, NULL
, 0,
696 &adev
->fw_vram_usage
.reserved_bo
);
700 r
= amdgpu_bo_reserve(adev
->fw_vram_usage
.reserved_bo
, false);
703 r
= amdgpu_bo_pin_restricted(adev
->fw_vram_usage
.reserved_bo
,
704 AMDGPU_GEM_DOMAIN_VRAM
,
705 adev
->fw_vram_usage
.start_offset
,
706 (adev
->fw_vram_usage
.start_offset
+
707 adev
->fw_vram_usage
.size
), &gpu_addr
);
710 r
= amdgpu_bo_kmap(adev
->fw_vram_usage
.reserved_bo
,
711 &adev
->fw_vram_usage
.va
);
715 amdgpu_bo_unreserve(adev
->fw_vram_usage
.reserved_bo
);
720 amdgpu_bo_unpin(adev
->fw_vram_usage
.reserved_bo
);
722 amdgpu_bo_unreserve(adev
->fw_vram_usage
.reserved_bo
);
724 amdgpu_bo_unref(&adev
->fw_vram_usage
.reserved_bo
);
726 adev
->fw_vram_usage
.va
= NULL
;
727 adev
->fw_vram_usage
.reserved_bo
= NULL
;
733 * GPU helpers function.
736 * amdgpu_need_post - check if the hw need post or not
738 * @adev: amdgpu_device pointer
740 * Check if the asic has been initialized (all asics) at driver startup
741 * or post is needed if hw reset is performed.
742 * Returns true if need or false if not.
744 bool amdgpu_need_post(struct amdgpu_device
*adev
)
748 if (amdgpu_sriov_vf(adev
))
751 if (amdgpu_passthrough(adev
)) {
752 /* for FIJI: In whole GPU pass-through virtualization case, after VM reboot
753 * some old smc fw still need driver do vPost otherwise gpu hang, while
754 * those smc fw version above 22.15 doesn't have this flaw, so we force
755 * vpost executed for smc version below 22.15
757 if (adev
->asic_type
== CHIP_FIJI
) {
760 err
= request_firmware(&adev
->pm
.fw
, "amdgpu/fiji_smc.bin", adev
->dev
);
761 /* force vPost if error occured */
765 fw_ver
= *((uint32_t *)adev
->pm
.fw
->data
+ 69);
766 if (fw_ver
< 0x00160e00)
771 if (adev
->has_hw_reset
) {
772 adev
->has_hw_reset
= false;
776 /* bios scratch used on CIK+ */
777 if (adev
->asic_type
>= CHIP_BONAIRE
)
778 return amdgpu_atombios_scratch_need_asic_init(adev
);
780 /* check MEM_SIZE for older asics */
781 reg
= amdgpu_asic_get_config_memsize(adev
);
783 if ((reg
!= 0) && (reg
!= 0xffffffff))
790 * amdgpu_dummy_page_init - init dummy page used by the driver
792 * @adev: amdgpu_device pointer
794 * Allocate the dummy page used by the driver (all asics).
795 * This dummy page is used by the driver as a filler for gart entries
796 * when pages are taken out of the GART
797 * Returns 0 on sucess, -ENOMEM on failure.
799 int amdgpu_dummy_page_init(struct amdgpu_device
*adev
)
801 if (adev
->dummy_page
.page
)
803 adev
->dummy_page
.page
= alloc_page(GFP_DMA32
| GFP_KERNEL
| __GFP_ZERO
);
804 if (adev
->dummy_page
.page
== NULL
)
806 adev
->dummy_page
.addr
= pci_map_page(adev
->pdev
, adev
->dummy_page
.page
,
807 0, PAGE_SIZE
, PCI_DMA_BIDIRECTIONAL
);
808 if (pci_dma_mapping_error(adev
->pdev
, adev
->dummy_page
.addr
)) {
809 dev_err(&adev
->pdev
->dev
, "Failed to DMA MAP the dummy page\n");
810 __free_page(adev
->dummy_page
.page
);
811 adev
->dummy_page
.page
= NULL
;
818 * amdgpu_dummy_page_fini - free dummy page used by the driver
820 * @adev: amdgpu_device pointer
822 * Frees the dummy page used by the driver (all asics).
824 void amdgpu_dummy_page_fini(struct amdgpu_device
*adev
)
826 if (adev
->dummy_page
.page
== NULL
)
828 pci_unmap_page(adev
->pdev
, adev
->dummy_page
.addr
,
829 PAGE_SIZE
, PCI_DMA_BIDIRECTIONAL
);
830 __free_page(adev
->dummy_page
.page
);
831 adev
->dummy_page
.page
= NULL
;
835 /* ATOM accessor methods */
837 * ATOM is an interpreted byte code stored in tables in the vbios. The
838 * driver registers callbacks to access registers and the interpreter
839 * in the driver parses the tables and executes then to program specific
840 * actions (set display modes, asic init, etc.). See amdgpu_atombios.c,
841 * atombios.h, and atom.c
845 * cail_pll_read - read PLL register
847 * @info: atom card_info pointer
848 * @reg: PLL register offset
850 * Provides a PLL register accessor for the atom interpreter (r4xx+).
851 * Returns the value of the PLL register.
853 static uint32_t cail_pll_read(struct card_info
*info
, uint32_t reg
)
859 * cail_pll_write - write PLL register
861 * @info: atom card_info pointer
862 * @reg: PLL register offset
863 * @val: value to write to the pll register
865 * Provides a PLL register accessor for the atom interpreter (r4xx+).
867 static void cail_pll_write(struct card_info
*info
, uint32_t reg
, uint32_t val
)
873 * cail_mc_read - read MC (Memory Controller) register
875 * @info: atom card_info pointer
876 * @reg: MC register offset
878 * Provides an MC register accessor for the atom interpreter (r4xx+).
879 * Returns the value of the MC register.
881 static uint32_t cail_mc_read(struct card_info
*info
, uint32_t reg
)
887 * cail_mc_write - write MC (Memory Controller) register
889 * @info: atom card_info pointer
890 * @reg: MC register offset
891 * @val: value to write to the pll register
893 * Provides a MC register accessor for the atom interpreter (r4xx+).
895 static void cail_mc_write(struct card_info
*info
, uint32_t reg
, uint32_t val
)
901 * cail_reg_write - write MMIO register
903 * @info: atom card_info pointer
904 * @reg: MMIO register offset
905 * @val: value to write to the pll register
907 * Provides a MMIO register accessor for the atom interpreter (r4xx+).
909 static void cail_reg_write(struct card_info
*info
, uint32_t reg
, uint32_t val
)
911 struct amdgpu_device
*adev
= info
->dev
->dev_private
;
917 * cail_reg_read - read MMIO register
919 * @info: atom card_info pointer
920 * @reg: MMIO register offset
922 * Provides an MMIO register accessor for the atom interpreter (r4xx+).
923 * Returns the value of the MMIO register.
925 static uint32_t cail_reg_read(struct card_info
*info
, uint32_t reg
)
927 struct amdgpu_device
*adev
= info
->dev
->dev_private
;
935 * cail_ioreg_write - write IO register
937 * @info: atom card_info pointer
938 * @reg: IO register offset
939 * @val: value to write to the pll register
941 * Provides a IO register accessor for the atom interpreter (r4xx+).
943 static void cail_ioreg_write(struct card_info
*info
, uint32_t reg
, uint32_t val
)
945 struct amdgpu_device
*adev
= info
->dev
->dev_private
;
951 * cail_ioreg_read - read IO register
953 * @info: atom card_info pointer
954 * @reg: IO register offset
956 * Provides an IO register accessor for the atom interpreter (r4xx+).
957 * Returns the value of the IO register.
959 static uint32_t cail_ioreg_read(struct card_info
*info
, uint32_t reg
)
961 struct amdgpu_device
*adev
= info
->dev
->dev_private
;
968 static ssize_t
amdgpu_atombios_get_vbios_version(struct device
*dev
,
969 struct device_attribute
*attr
,
972 struct drm_device
*ddev
= dev_get_drvdata(dev
);
973 struct amdgpu_device
*adev
= ddev
->dev_private
;
974 struct atom_context
*ctx
= adev
->mode_info
.atom_context
;
976 return snprintf(buf
, PAGE_SIZE
, "%s\n", ctx
->vbios_version
);
979 static DEVICE_ATTR(vbios_version
, 0444, amdgpu_atombios_get_vbios_version
,
983 * amdgpu_atombios_fini - free the driver info and callbacks for atombios
985 * @adev: amdgpu_device pointer
987 * Frees the driver info and register access callbacks for the ATOM
988 * interpreter (r4xx+).
989 * Called at driver shutdown.
991 static void amdgpu_atombios_fini(struct amdgpu_device
*adev
)
993 if (adev
->mode_info
.atom_context
) {
994 kfree(adev
->mode_info
.atom_context
->scratch
);
995 kfree(adev
->mode_info
.atom_context
->iio
);
997 kfree(adev
->mode_info
.atom_context
);
998 adev
->mode_info
.atom_context
= NULL
;
999 kfree(adev
->mode_info
.atom_card_info
);
1000 adev
->mode_info
.atom_card_info
= NULL
;
1001 device_remove_file(adev
->dev
, &dev_attr_vbios_version
);
1005 * amdgpu_atombios_init - init the driver info and callbacks for atombios
1007 * @adev: amdgpu_device pointer
1009 * Initializes the driver info and register access callbacks for the
1010 * ATOM interpreter (r4xx+).
1011 * Returns 0 on sucess, -ENOMEM on failure.
1012 * Called at driver startup.
1014 static int amdgpu_atombios_init(struct amdgpu_device
*adev
)
1016 struct card_info
*atom_card_info
=
1017 kzalloc(sizeof(struct card_info
), GFP_KERNEL
);
1020 if (!atom_card_info
)
1023 adev
->mode_info
.atom_card_info
= atom_card_info
;
1024 atom_card_info
->dev
= adev
->ddev
;
1025 atom_card_info
->reg_read
= cail_reg_read
;
1026 atom_card_info
->reg_write
= cail_reg_write
;
1027 /* needed for iio ops */
1028 if (adev
->rio_mem
) {
1029 atom_card_info
->ioreg_read
= cail_ioreg_read
;
1030 atom_card_info
->ioreg_write
= cail_ioreg_write
;
1032 DRM_INFO("PCI I/O BAR is not found. Using MMIO to access ATOM BIOS\n");
1033 atom_card_info
->ioreg_read
= cail_reg_read
;
1034 atom_card_info
->ioreg_write
= cail_reg_write
;
1036 atom_card_info
->mc_read
= cail_mc_read
;
1037 atom_card_info
->mc_write
= cail_mc_write
;
1038 atom_card_info
->pll_read
= cail_pll_read
;
1039 atom_card_info
->pll_write
= cail_pll_write
;
1041 adev
->mode_info
.atom_context
= amdgpu_atom_parse(atom_card_info
, adev
->bios
);
1042 if (!adev
->mode_info
.atom_context
) {
1043 amdgpu_atombios_fini(adev
);
1047 mutex_init(&adev
->mode_info
.atom_context
->mutex
);
1048 if (adev
->is_atom_fw
) {
1049 amdgpu_atomfirmware_scratch_regs_init(adev
);
1050 amdgpu_atomfirmware_allocate_fb_scratch(adev
);
1052 amdgpu_atombios_scratch_regs_init(adev
);
1053 amdgpu_atombios_allocate_fb_scratch(adev
);
1056 ret
= device_create_file(adev
->dev
, &dev_attr_vbios_version
);
1058 DRM_ERROR("Failed to create device file for VBIOS version\n");
1065 /* if we get transitioned to only one device, take VGA back */
1067 * amdgpu_vga_set_decode - enable/disable vga decode
1069 * @cookie: amdgpu_device pointer
1070 * @state: enable/disable vga decode
1072 * Enable/disable vga decode (all asics).
1073 * Returns VGA resource flags.
1075 static unsigned int amdgpu_vga_set_decode(void *cookie
, bool state
)
1077 struct amdgpu_device
*adev
= cookie
;
1078 amdgpu_asic_set_vga_state(adev
, state
);
1080 return VGA_RSRC_LEGACY_IO
| VGA_RSRC_LEGACY_MEM
|
1081 VGA_RSRC_NORMAL_IO
| VGA_RSRC_NORMAL_MEM
;
1083 return VGA_RSRC_NORMAL_IO
| VGA_RSRC_NORMAL_MEM
;
1086 static void amdgpu_check_block_size(struct amdgpu_device
*adev
)
1088 /* defines number of bits in page table versus page directory,
1089 * a page is 4KB so we have 12 bits offset, minimum 9 bits in the
1090 * page table and the remaining bits are in the page directory */
1091 if (amdgpu_vm_block_size
== -1)
1094 if (amdgpu_vm_block_size
< 9) {
1095 dev_warn(adev
->dev
, "VM page table size (%d) too small\n",
1096 amdgpu_vm_block_size
);
1100 if (amdgpu_vm_block_size
> 24 ||
1101 (amdgpu_vm_size
* 1024) < (1ull << amdgpu_vm_block_size
)) {
1102 dev_warn(adev
->dev
, "VM page table size (%d) too large\n",
1103 amdgpu_vm_block_size
);
1110 amdgpu_vm_block_size
= -1;
1113 static void amdgpu_check_vm_size(struct amdgpu_device
*adev
)
1115 /* no need to check the default value */
1116 if (amdgpu_vm_size
== -1)
1119 if (!is_power_of_2(amdgpu_vm_size
)) {
1120 dev_warn(adev
->dev
, "VM size (%d) must be a power of 2\n",
1125 if (amdgpu_vm_size
< 1) {
1126 dev_warn(adev
->dev
, "VM size (%d) too small, min is 1GB\n",
1132 * Max GPUVM size for Cayman, SI, CI VI are 40 bits.
1134 if (amdgpu_vm_size
> 1024) {
1135 dev_warn(adev
->dev
, "VM size (%d) too large, max is 1TB\n",
1143 amdgpu_vm_size
= -1;
1147 * amdgpu_check_arguments - validate module params
1149 * @adev: amdgpu_device pointer
1151 * Validates certain module parameters and updates
1152 * the associated values used by the driver (all asics).
1154 static void amdgpu_check_arguments(struct amdgpu_device
*adev
)
1156 if (amdgpu_sched_jobs
< 4) {
1157 dev_warn(adev
->dev
, "sched jobs (%d) must be at least 4\n",
1159 amdgpu_sched_jobs
= 4;
1160 } else if (!is_power_of_2(amdgpu_sched_jobs
)){
1161 dev_warn(adev
->dev
, "sched jobs (%d) must be a power of 2\n",
1163 amdgpu_sched_jobs
= roundup_pow_of_two(amdgpu_sched_jobs
);
1166 if (amdgpu_gart_size
!= -1 && amdgpu_gart_size
< 32) {
1167 /* gart size must be greater or equal to 32M */
1168 dev_warn(adev
->dev
, "gart size (%d) too small\n",
1170 amdgpu_gart_size
= -1;
1173 if (amdgpu_gtt_size
!= -1 && amdgpu_gtt_size
< 32) {
1174 /* gtt size must be greater or equal to 32M */
1175 dev_warn(adev
->dev
, "gtt size (%d) too small\n",
1177 amdgpu_gtt_size
= -1;
1180 /* valid range is between 4 and 9 inclusive */
1181 if (amdgpu_vm_fragment_size
!= -1 &&
1182 (amdgpu_vm_fragment_size
> 9 || amdgpu_vm_fragment_size
< 4)) {
1183 dev_warn(adev
->dev
, "valid range is between 4 and 9\n");
1184 amdgpu_vm_fragment_size
= -1;
1187 amdgpu_check_vm_size(adev
);
1189 amdgpu_check_block_size(adev
);
1191 if (amdgpu_vram_page_split
!= -1 && (amdgpu_vram_page_split
< 16 ||
1192 !is_power_of_2(amdgpu_vram_page_split
))) {
1193 dev_warn(adev
->dev
, "invalid VRAM page split (%d)\n",
1194 amdgpu_vram_page_split
);
1195 amdgpu_vram_page_split
= 1024;
1200 * amdgpu_switcheroo_set_state - set switcheroo state
1202 * @pdev: pci dev pointer
1203 * @state: vga_switcheroo state
1205 * Callback for the switcheroo driver. Suspends or resumes the
1206 * the asics before or after it is powered up using ACPI methods.
1208 static void amdgpu_switcheroo_set_state(struct pci_dev
*pdev
, enum vga_switcheroo_state state
)
1210 struct drm_device
*dev
= pci_get_drvdata(pdev
);
1212 if (amdgpu_device_is_px(dev
) && state
== VGA_SWITCHEROO_OFF
)
1215 if (state
== VGA_SWITCHEROO_ON
) {
1216 pr_info("amdgpu: switched on\n");
1217 /* don't suspend or resume card normally */
1218 dev
->switch_power_state
= DRM_SWITCH_POWER_CHANGING
;
1220 amdgpu_device_resume(dev
, true, true);
1222 dev
->switch_power_state
= DRM_SWITCH_POWER_ON
;
1223 drm_kms_helper_poll_enable(dev
);
1225 pr_info("amdgpu: switched off\n");
1226 drm_kms_helper_poll_disable(dev
);
1227 dev
->switch_power_state
= DRM_SWITCH_POWER_CHANGING
;
1228 amdgpu_device_suspend(dev
, true, true);
1229 dev
->switch_power_state
= DRM_SWITCH_POWER_OFF
;
1234 * amdgpu_switcheroo_can_switch - see if switcheroo state can change
1236 * @pdev: pci dev pointer
1238 * Callback for the switcheroo driver. Check of the switcheroo
1239 * state can be changed.
1240 * Returns true if the state can be changed, false if not.
1242 static bool amdgpu_switcheroo_can_switch(struct pci_dev
*pdev
)
1244 struct drm_device
*dev
= pci_get_drvdata(pdev
);
1247 * FIXME: open_count is protected by drm_global_mutex but that would lead to
1248 * locking inversion with the driver load path. And the access here is
1249 * completely racy anyway. So don't bother with locking for now.
1251 return dev
->open_count
== 0;
1254 static const struct vga_switcheroo_client_ops amdgpu_switcheroo_ops
= {
1255 .set_gpu_state
= amdgpu_switcheroo_set_state
,
1257 .can_switch
= amdgpu_switcheroo_can_switch
,
1260 int amdgpu_set_clockgating_state(struct amdgpu_device
*adev
,
1261 enum amd_ip_block_type block_type
,
1262 enum amd_clockgating_state state
)
1266 for (i
= 0; i
< adev
->num_ip_blocks
; i
++) {
1267 if (!adev
->ip_blocks
[i
].status
.valid
)
1269 if (adev
->ip_blocks
[i
].version
->type
!= block_type
)
1271 if (!adev
->ip_blocks
[i
].version
->funcs
->set_clockgating_state
)
1273 r
= adev
->ip_blocks
[i
].version
->funcs
->set_clockgating_state(
1274 (void *)adev
, state
);
1276 DRM_ERROR("set_clockgating_state of IP block <%s> failed %d\n",
1277 adev
->ip_blocks
[i
].version
->funcs
->name
, r
);
1282 int amdgpu_set_powergating_state(struct amdgpu_device
*adev
,
1283 enum amd_ip_block_type block_type
,
1284 enum amd_powergating_state state
)
1288 for (i
= 0; i
< adev
->num_ip_blocks
; i
++) {
1289 if (!adev
->ip_blocks
[i
].status
.valid
)
1291 if (adev
->ip_blocks
[i
].version
->type
!= block_type
)
1293 if (!adev
->ip_blocks
[i
].version
->funcs
->set_powergating_state
)
1295 r
= adev
->ip_blocks
[i
].version
->funcs
->set_powergating_state(
1296 (void *)adev
, state
);
1298 DRM_ERROR("set_powergating_state of IP block <%s> failed %d\n",
1299 adev
->ip_blocks
[i
].version
->funcs
->name
, r
);
1304 void amdgpu_get_clockgating_state(struct amdgpu_device
*adev
, u32
*flags
)
1308 for (i
= 0; i
< adev
->num_ip_blocks
; i
++) {
1309 if (!adev
->ip_blocks
[i
].status
.valid
)
1311 if (adev
->ip_blocks
[i
].version
->funcs
->get_clockgating_state
)
1312 adev
->ip_blocks
[i
].version
->funcs
->get_clockgating_state((void *)adev
, flags
);
1316 int amdgpu_wait_for_idle(struct amdgpu_device
*adev
,
1317 enum amd_ip_block_type block_type
)
1321 for (i
= 0; i
< adev
->num_ip_blocks
; i
++) {
1322 if (!adev
->ip_blocks
[i
].status
.valid
)
1324 if (adev
->ip_blocks
[i
].version
->type
== block_type
) {
1325 r
= adev
->ip_blocks
[i
].version
->funcs
->wait_for_idle((void *)adev
);
1335 bool amdgpu_is_idle(struct amdgpu_device
*adev
,
1336 enum amd_ip_block_type block_type
)
1340 for (i
= 0; i
< adev
->num_ip_blocks
; i
++) {
1341 if (!adev
->ip_blocks
[i
].status
.valid
)
1343 if (adev
->ip_blocks
[i
].version
->type
== block_type
)
1344 return adev
->ip_blocks
[i
].version
->funcs
->is_idle((void *)adev
);
1350 struct amdgpu_ip_block
* amdgpu_get_ip_block(struct amdgpu_device
*adev
,
1351 enum amd_ip_block_type type
)
1355 for (i
= 0; i
< adev
->num_ip_blocks
; i
++)
1356 if (adev
->ip_blocks
[i
].version
->type
== type
)
1357 return &adev
->ip_blocks
[i
];
1363 * amdgpu_ip_block_version_cmp
1365 * @adev: amdgpu_device pointer
1366 * @type: enum amd_ip_block_type
1367 * @major: major version
1368 * @minor: minor version
1370 * return 0 if equal or greater
1371 * return 1 if smaller or the ip_block doesn't exist
1373 int amdgpu_ip_block_version_cmp(struct amdgpu_device
*adev
,
1374 enum amd_ip_block_type type
,
1375 u32 major
, u32 minor
)
1377 struct amdgpu_ip_block
*ip_block
= amdgpu_get_ip_block(adev
, type
);
1379 if (ip_block
&& ((ip_block
->version
->major
> major
) ||
1380 ((ip_block
->version
->major
== major
) &&
1381 (ip_block
->version
->minor
>= minor
))))
1388 * amdgpu_ip_block_add
1390 * @adev: amdgpu_device pointer
1391 * @ip_block_version: pointer to the IP to add
1393 * Adds the IP block driver information to the collection of IPs
1396 int amdgpu_ip_block_add(struct amdgpu_device
*adev
,
1397 const struct amdgpu_ip_block_version
*ip_block_version
)
1399 if (!ip_block_version
)
1402 DRM_DEBUG("add ip block number %d <%s>\n", adev
->num_ip_blocks
,
1403 ip_block_version
->funcs
->name
);
1405 adev
->ip_blocks
[adev
->num_ip_blocks
++].version
= ip_block_version
;
1410 static void amdgpu_device_enable_virtual_display(struct amdgpu_device
*adev
)
1412 adev
->enable_virtual_display
= false;
1414 if (amdgpu_virtual_display
) {
1415 struct drm_device
*ddev
= adev
->ddev
;
1416 const char *pci_address_name
= pci_name(ddev
->pdev
);
1417 char *pciaddstr
, *pciaddstr_tmp
, *pciaddname_tmp
, *pciaddname
;
1419 pciaddstr
= kstrdup(amdgpu_virtual_display
, GFP_KERNEL
);
1420 pciaddstr_tmp
= pciaddstr
;
1421 while ((pciaddname_tmp
= strsep(&pciaddstr_tmp
, ";"))) {
1422 pciaddname
= strsep(&pciaddname_tmp
, ",");
1423 if (!strcmp("all", pciaddname
)
1424 || !strcmp(pci_address_name
, pciaddname
)) {
1428 adev
->enable_virtual_display
= true;
1431 res
= kstrtol(pciaddname_tmp
, 10,
1439 adev
->mode_info
.num_crtc
= num_crtc
;
1441 adev
->mode_info
.num_crtc
= 1;
1447 DRM_INFO("virtual display string:%s, %s:virtual_display:%d, num_crtc:%d\n",
1448 amdgpu_virtual_display
, pci_address_name
,
1449 adev
->enable_virtual_display
, adev
->mode_info
.num_crtc
);
1455 static int amdgpu_device_parse_gpu_info_fw(struct amdgpu_device
*adev
)
1457 const char *chip_name
;
1460 const struct gpu_info_firmware_header_v1_0
*hdr
;
1462 adev
->firmware
.gpu_info_fw
= NULL
;
1464 switch (adev
->asic_type
) {
1468 case CHIP_POLARIS11
:
1469 case CHIP_POLARIS10
:
1470 case CHIP_POLARIS12
:
1473 #ifdef CONFIG_DRM_AMDGPU_SI
1480 #ifdef CONFIG_DRM_AMDGPU_CIK
1490 chip_name
= "vega10";
1493 chip_name
= "raven";
1497 snprintf(fw_name
, sizeof(fw_name
), "amdgpu/%s_gpu_info.bin", chip_name
);
1498 err
= request_firmware(&adev
->firmware
.gpu_info_fw
, fw_name
, adev
->dev
);
1501 "Failed to load gpu_info firmware \"%s\"\n",
1505 err
= amdgpu_ucode_validate(adev
->firmware
.gpu_info_fw
);
1508 "Failed to validate gpu_info firmware \"%s\"\n",
1513 hdr
= (const struct gpu_info_firmware_header_v1_0
*)adev
->firmware
.gpu_info_fw
->data
;
1514 amdgpu_ucode_print_gpu_info_hdr(&hdr
->header
);
1516 switch (hdr
->version_major
) {
1519 const struct gpu_info_firmware_v1_0
*gpu_info_fw
=
1520 (const struct gpu_info_firmware_v1_0
*)(adev
->firmware
.gpu_info_fw
->data
+
1521 le32_to_cpu(hdr
->header
.ucode_array_offset_bytes
));
1523 adev
->gfx
.config
.max_shader_engines
= le32_to_cpu(gpu_info_fw
->gc_num_se
);
1524 adev
->gfx
.config
.max_cu_per_sh
= le32_to_cpu(gpu_info_fw
->gc_num_cu_per_sh
);
1525 adev
->gfx
.config
.max_sh_per_se
= le32_to_cpu(gpu_info_fw
->gc_num_sh_per_se
);
1526 adev
->gfx
.config
.max_backends_per_se
= le32_to_cpu(gpu_info_fw
->gc_num_rb_per_se
);
1527 adev
->gfx
.config
.max_texture_channel_caches
=
1528 le32_to_cpu(gpu_info_fw
->gc_num_tccs
);
1529 adev
->gfx
.config
.max_gprs
= le32_to_cpu(gpu_info_fw
->gc_num_gprs
);
1530 adev
->gfx
.config
.max_gs_threads
= le32_to_cpu(gpu_info_fw
->gc_num_max_gs_thds
);
1531 adev
->gfx
.config
.gs_vgt_table_depth
= le32_to_cpu(gpu_info_fw
->gc_gs_table_depth
);
1532 adev
->gfx
.config
.gs_prim_buffer_depth
= le32_to_cpu(gpu_info_fw
->gc_gsprim_buff_depth
);
1533 adev
->gfx
.config
.double_offchip_lds_buf
=
1534 le32_to_cpu(gpu_info_fw
->gc_double_offchip_lds_buffer
);
1535 adev
->gfx
.cu_info
.wave_front_size
= le32_to_cpu(gpu_info_fw
->gc_wave_size
);
1536 adev
->gfx
.cu_info
.max_waves_per_simd
=
1537 le32_to_cpu(gpu_info_fw
->gc_max_waves_per_simd
);
1538 adev
->gfx
.cu_info
.max_scratch_slots_per_cu
=
1539 le32_to_cpu(gpu_info_fw
->gc_max_scratch_slots_per_cu
);
1540 adev
->gfx
.cu_info
.lds_size
= le32_to_cpu(gpu_info_fw
->gc_lds_size
);
1545 "Unsupported gpu_info table %d\n", hdr
->header
.ucode_version
);
1553 static int amdgpu_early_init(struct amdgpu_device
*adev
)
1557 amdgpu_device_enable_virtual_display(adev
);
1559 switch (adev
->asic_type
) {
1563 case CHIP_POLARIS11
:
1564 case CHIP_POLARIS10
:
1565 case CHIP_POLARIS12
:
1568 if (adev
->asic_type
== CHIP_CARRIZO
|| adev
->asic_type
== CHIP_STONEY
)
1569 adev
->family
= AMDGPU_FAMILY_CZ
;
1571 adev
->family
= AMDGPU_FAMILY_VI
;
1573 r
= vi_set_ip_blocks(adev
);
1577 #ifdef CONFIG_DRM_AMDGPU_SI
1583 adev
->family
= AMDGPU_FAMILY_SI
;
1584 r
= si_set_ip_blocks(adev
);
1589 #ifdef CONFIG_DRM_AMDGPU_CIK
1595 if ((adev
->asic_type
== CHIP_BONAIRE
) || (adev
->asic_type
== CHIP_HAWAII
))
1596 adev
->family
= AMDGPU_FAMILY_CI
;
1598 adev
->family
= AMDGPU_FAMILY_KV
;
1600 r
= cik_set_ip_blocks(adev
);
1607 if (adev
->asic_type
== CHIP_RAVEN
)
1608 adev
->family
= AMDGPU_FAMILY_RV
;
1610 adev
->family
= AMDGPU_FAMILY_AI
;
1612 r
= soc15_set_ip_blocks(adev
);
1617 /* FIXME: not supported yet */
1621 r
= amdgpu_device_parse_gpu_info_fw(adev
);
1625 if (amdgpu_sriov_vf(adev
)) {
1626 r
= amdgpu_virt_request_full_gpu(adev
, true);
1631 for (i
= 0; i
< adev
->num_ip_blocks
; i
++) {
1632 if ((amdgpu_ip_block_mask
& (1 << i
)) == 0) {
1633 DRM_ERROR("disabled ip block: %d <%s>\n",
1634 i
, adev
->ip_blocks
[i
].version
->funcs
->name
);
1635 adev
->ip_blocks
[i
].status
.valid
= false;
1637 if (adev
->ip_blocks
[i
].version
->funcs
->early_init
) {
1638 r
= adev
->ip_blocks
[i
].version
->funcs
->early_init((void *)adev
);
1640 adev
->ip_blocks
[i
].status
.valid
= false;
1642 DRM_ERROR("early_init of IP block <%s> failed %d\n",
1643 adev
->ip_blocks
[i
].version
->funcs
->name
, r
);
1646 adev
->ip_blocks
[i
].status
.valid
= true;
1649 adev
->ip_blocks
[i
].status
.valid
= true;
1654 adev
->cg_flags
&= amdgpu_cg_mask
;
1655 adev
->pg_flags
&= amdgpu_pg_mask
;
1660 static int amdgpu_init(struct amdgpu_device
*adev
)
1664 for (i
= 0; i
< adev
->num_ip_blocks
; i
++) {
1665 if (!adev
->ip_blocks
[i
].status
.valid
)
1667 r
= adev
->ip_blocks
[i
].version
->funcs
->sw_init((void *)adev
);
1669 DRM_ERROR("sw_init of IP block <%s> failed %d\n",
1670 adev
->ip_blocks
[i
].version
->funcs
->name
, r
);
1673 adev
->ip_blocks
[i
].status
.sw
= true;
1674 /* need to do gmc hw init early so we can allocate gpu mem */
1675 if (adev
->ip_blocks
[i
].version
->type
== AMD_IP_BLOCK_TYPE_GMC
) {
1676 r
= amdgpu_vram_scratch_init(adev
);
1678 DRM_ERROR("amdgpu_vram_scratch_init failed %d\n", r
);
1681 r
= adev
->ip_blocks
[i
].version
->funcs
->hw_init((void *)adev
);
1683 DRM_ERROR("hw_init %d failed %d\n", i
, r
);
1686 r
= amdgpu_wb_init(adev
);
1688 DRM_ERROR("amdgpu_wb_init failed %d\n", r
);
1691 adev
->ip_blocks
[i
].status
.hw
= true;
1693 /* right after GMC hw init, we create CSA */
1694 if (amdgpu_sriov_vf(adev
)) {
1695 r
= amdgpu_allocate_static_csa(adev
);
1697 DRM_ERROR("allocate CSA failed %d\n", r
);
1704 for (i
= 0; i
< adev
->num_ip_blocks
; i
++) {
1705 if (!adev
->ip_blocks
[i
].status
.sw
)
1707 /* gmc hw init is done early */
1708 if (adev
->ip_blocks
[i
].version
->type
== AMD_IP_BLOCK_TYPE_GMC
)
1710 r
= adev
->ip_blocks
[i
].version
->funcs
->hw_init((void *)adev
);
1712 DRM_ERROR("hw_init of IP block <%s> failed %d\n",
1713 adev
->ip_blocks
[i
].version
->funcs
->name
, r
);
1716 adev
->ip_blocks
[i
].status
.hw
= true;
1722 static void amdgpu_fill_reset_magic(struct amdgpu_device
*adev
)
1724 memcpy(adev
->reset_magic
, adev
->gart
.ptr
, AMDGPU_RESET_MAGIC_NUM
);
1727 static bool amdgpu_check_vram_lost(struct amdgpu_device
*adev
)
1729 return !!memcmp(adev
->gart
.ptr
, adev
->reset_magic
,
1730 AMDGPU_RESET_MAGIC_NUM
);
1733 static int amdgpu_late_set_cg_state(struct amdgpu_device
*adev
)
1737 for (i
= 0; i
< adev
->num_ip_blocks
; i
++) {
1738 if (!adev
->ip_blocks
[i
].status
.valid
)
1740 /* skip CG for VCE/UVD, it's handled specially */
1741 if (adev
->ip_blocks
[i
].version
->type
!= AMD_IP_BLOCK_TYPE_UVD
&&
1742 adev
->ip_blocks
[i
].version
->type
!= AMD_IP_BLOCK_TYPE_VCE
) {
1743 /* enable clockgating to save power */
1744 r
= adev
->ip_blocks
[i
].version
->funcs
->set_clockgating_state((void *)adev
,
1747 DRM_ERROR("set_clockgating_state(gate) of IP block <%s> failed %d\n",
1748 adev
->ip_blocks
[i
].version
->funcs
->name
, r
);
1756 static int amdgpu_late_init(struct amdgpu_device
*adev
)
1760 for (i
= 0; i
< adev
->num_ip_blocks
; i
++) {
1761 if (!adev
->ip_blocks
[i
].status
.valid
)
1763 if (adev
->ip_blocks
[i
].version
->funcs
->late_init
) {
1764 r
= adev
->ip_blocks
[i
].version
->funcs
->late_init((void *)adev
);
1766 DRM_ERROR("late_init of IP block <%s> failed %d\n",
1767 adev
->ip_blocks
[i
].version
->funcs
->name
, r
);
1770 adev
->ip_blocks
[i
].status
.late_initialized
= true;
1774 mod_delayed_work(system_wq
, &adev
->late_init_work
,
1775 msecs_to_jiffies(AMDGPU_RESUME_MS
));
1777 amdgpu_fill_reset_magic(adev
);
1782 static int amdgpu_fini(struct amdgpu_device
*adev
)
1786 /* need to disable SMC first */
1787 for (i
= 0; i
< adev
->num_ip_blocks
; i
++) {
1788 if (!adev
->ip_blocks
[i
].status
.hw
)
1790 if (adev
->ip_blocks
[i
].version
->type
== AMD_IP_BLOCK_TYPE_SMC
) {
1791 /* ungate blocks before hw fini so that we can shutdown the blocks safely */
1792 r
= adev
->ip_blocks
[i
].version
->funcs
->set_clockgating_state((void *)adev
,
1793 AMD_CG_STATE_UNGATE
);
1795 DRM_ERROR("set_clockgating_state(ungate) of IP block <%s> failed %d\n",
1796 adev
->ip_blocks
[i
].version
->funcs
->name
, r
);
1799 r
= adev
->ip_blocks
[i
].version
->funcs
->hw_fini((void *)adev
);
1800 /* XXX handle errors */
1802 DRM_DEBUG("hw_fini of IP block <%s> failed %d\n",
1803 adev
->ip_blocks
[i
].version
->funcs
->name
, r
);
1805 adev
->ip_blocks
[i
].status
.hw
= false;
1810 for (i
= adev
->num_ip_blocks
- 1; i
>= 0; i
--) {
1811 if (!adev
->ip_blocks
[i
].status
.hw
)
1813 if (adev
->ip_blocks
[i
].version
->type
== AMD_IP_BLOCK_TYPE_GMC
) {
1814 amdgpu_wb_fini(adev
);
1815 amdgpu_vram_scratch_fini(adev
);
1818 if (adev
->ip_blocks
[i
].version
->type
!= AMD_IP_BLOCK_TYPE_UVD
&&
1819 adev
->ip_blocks
[i
].version
->type
!= AMD_IP_BLOCK_TYPE_VCE
) {
1820 /* ungate blocks before hw fini so that we can shutdown the blocks safely */
1821 r
= adev
->ip_blocks
[i
].version
->funcs
->set_clockgating_state((void *)adev
,
1822 AMD_CG_STATE_UNGATE
);
1824 DRM_ERROR("set_clockgating_state(ungate) of IP block <%s> failed %d\n",
1825 adev
->ip_blocks
[i
].version
->funcs
->name
, r
);
1830 r
= adev
->ip_blocks
[i
].version
->funcs
->hw_fini((void *)adev
);
1831 /* XXX handle errors */
1833 DRM_DEBUG("hw_fini of IP block <%s> failed %d\n",
1834 adev
->ip_blocks
[i
].version
->funcs
->name
, r
);
1837 adev
->ip_blocks
[i
].status
.hw
= false;
1840 if (adev
->firmware
.load_type
== AMDGPU_FW_LOAD_SMU
)
1841 amdgpu_ucode_fini_bo(adev
);
1843 for (i
= adev
->num_ip_blocks
- 1; i
>= 0; i
--) {
1844 if (!adev
->ip_blocks
[i
].status
.sw
)
1846 r
= adev
->ip_blocks
[i
].version
->funcs
->sw_fini((void *)adev
);
1847 /* XXX handle errors */
1849 DRM_DEBUG("sw_fini of IP block <%s> failed %d\n",
1850 adev
->ip_blocks
[i
].version
->funcs
->name
, r
);
1852 adev
->ip_blocks
[i
].status
.sw
= false;
1853 adev
->ip_blocks
[i
].status
.valid
= false;
1856 for (i
= adev
->num_ip_blocks
- 1; i
>= 0; i
--) {
1857 if (!adev
->ip_blocks
[i
].status
.late_initialized
)
1859 if (adev
->ip_blocks
[i
].version
->funcs
->late_fini
)
1860 adev
->ip_blocks
[i
].version
->funcs
->late_fini((void *)adev
);
1861 adev
->ip_blocks
[i
].status
.late_initialized
= false;
1864 if (amdgpu_sriov_vf(adev
))
1865 amdgpu_virt_release_full_gpu(adev
, false);
1870 static void amdgpu_late_init_func_handler(struct work_struct
*work
)
1872 struct amdgpu_device
*adev
=
1873 container_of(work
, struct amdgpu_device
, late_init_work
.work
);
1874 amdgpu_late_set_cg_state(adev
);
1877 int amdgpu_suspend(struct amdgpu_device
*adev
)
1881 if (amdgpu_sriov_vf(adev
))
1882 amdgpu_virt_request_full_gpu(adev
, false);
1884 /* ungate SMC block first */
1885 r
= amdgpu_set_clockgating_state(adev
, AMD_IP_BLOCK_TYPE_SMC
,
1886 AMD_CG_STATE_UNGATE
);
1888 DRM_ERROR("set_clockgating_state(ungate) SMC failed %d\n",r
);
1891 for (i
= adev
->num_ip_blocks
- 1; i
>= 0; i
--) {
1892 if (!adev
->ip_blocks
[i
].status
.valid
)
1894 /* ungate blocks so that suspend can properly shut them down */
1895 if (i
!= AMD_IP_BLOCK_TYPE_SMC
) {
1896 r
= adev
->ip_blocks
[i
].version
->funcs
->set_clockgating_state((void *)adev
,
1897 AMD_CG_STATE_UNGATE
);
1899 DRM_ERROR("set_clockgating_state(ungate) of IP block <%s> failed %d\n",
1900 adev
->ip_blocks
[i
].version
->funcs
->name
, r
);
1903 /* XXX handle errors */
1904 r
= adev
->ip_blocks
[i
].version
->funcs
->suspend(adev
);
1905 /* XXX handle errors */
1907 DRM_ERROR("suspend of IP block <%s> failed %d\n",
1908 adev
->ip_blocks
[i
].version
->funcs
->name
, r
);
1912 if (amdgpu_sriov_vf(adev
))
1913 amdgpu_virt_release_full_gpu(adev
, false);
1918 static int amdgpu_sriov_reinit_early(struct amdgpu_device
*adev
)
1922 static enum amd_ip_block_type ip_order
[] = {
1923 AMD_IP_BLOCK_TYPE_GMC
,
1924 AMD_IP_BLOCK_TYPE_COMMON
,
1925 AMD_IP_BLOCK_TYPE_IH
,
1928 for (i
= 0; i
< ARRAY_SIZE(ip_order
); i
++) {
1930 struct amdgpu_ip_block
*block
;
1932 for (j
= 0; j
< adev
->num_ip_blocks
; j
++) {
1933 block
= &adev
->ip_blocks
[j
];
1935 if (block
->version
->type
!= ip_order
[i
] ||
1936 !block
->status
.valid
)
1939 r
= block
->version
->funcs
->hw_init(adev
);
1940 DRM_INFO("RE-INIT: %s %s\n", block
->version
->funcs
->name
, r
?"failed":"successed");
1947 static int amdgpu_sriov_reinit_late(struct amdgpu_device
*adev
)
1951 static enum amd_ip_block_type ip_order
[] = {
1952 AMD_IP_BLOCK_TYPE_SMC
,
1953 AMD_IP_BLOCK_TYPE_PSP
,
1954 AMD_IP_BLOCK_TYPE_DCE
,
1955 AMD_IP_BLOCK_TYPE_GFX
,
1956 AMD_IP_BLOCK_TYPE_SDMA
,
1957 AMD_IP_BLOCK_TYPE_UVD
,
1958 AMD_IP_BLOCK_TYPE_VCE
1961 for (i
= 0; i
< ARRAY_SIZE(ip_order
); i
++) {
1963 struct amdgpu_ip_block
*block
;
1965 for (j
= 0; j
< adev
->num_ip_blocks
; j
++) {
1966 block
= &adev
->ip_blocks
[j
];
1968 if (block
->version
->type
!= ip_order
[i
] ||
1969 !block
->status
.valid
)
1972 r
= block
->version
->funcs
->hw_init(adev
);
1973 DRM_INFO("RE-INIT: %s %s\n", block
->version
->funcs
->name
, r
?"failed":"successed");
1980 static int amdgpu_resume_phase1(struct amdgpu_device
*adev
)
1984 for (i
= 0; i
< adev
->num_ip_blocks
; i
++) {
1985 if (!adev
->ip_blocks
[i
].status
.valid
)
1987 if (adev
->ip_blocks
[i
].version
->type
== AMD_IP_BLOCK_TYPE_COMMON
||
1988 adev
->ip_blocks
[i
].version
->type
== AMD_IP_BLOCK_TYPE_GMC
||
1989 adev
->ip_blocks
[i
].version
->type
==
1990 AMD_IP_BLOCK_TYPE_IH
) {
1991 r
= adev
->ip_blocks
[i
].version
->funcs
->resume(adev
);
1993 DRM_ERROR("resume of IP block <%s> failed %d\n",
1994 adev
->ip_blocks
[i
].version
->funcs
->name
, r
);
2003 static int amdgpu_resume_phase2(struct amdgpu_device
*adev
)
2007 for (i
= 0; i
< adev
->num_ip_blocks
; i
++) {
2008 if (!adev
->ip_blocks
[i
].status
.valid
)
2010 if (adev
->ip_blocks
[i
].version
->type
== AMD_IP_BLOCK_TYPE_COMMON
||
2011 adev
->ip_blocks
[i
].version
->type
== AMD_IP_BLOCK_TYPE_GMC
||
2012 adev
->ip_blocks
[i
].version
->type
== AMD_IP_BLOCK_TYPE_IH
)
2014 r
= adev
->ip_blocks
[i
].version
->funcs
->resume(adev
);
2016 DRM_ERROR("resume of IP block <%s> failed %d\n",
2017 adev
->ip_blocks
[i
].version
->funcs
->name
, r
);
2025 static int amdgpu_resume(struct amdgpu_device
*adev
)
2029 r
= amdgpu_resume_phase1(adev
);
2032 r
= amdgpu_resume_phase2(adev
);
2037 static void amdgpu_device_detect_sriov_bios(struct amdgpu_device
*adev
)
2039 if (amdgpu_sriov_vf(adev
)) {
2040 if (adev
->is_atom_fw
) {
2041 if (amdgpu_atomfirmware_gpu_supports_virtualization(adev
))
2042 adev
->virt
.caps
|= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS
;
2044 if (amdgpu_atombios_has_gpu_virtualization_table(adev
))
2045 adev
->virt
.caps
|= AMDGPU_SRIOV_CAPS_SRIOV_VBIOS
;
2048 if (!(adev
->virt
.caps
& AMDGPU_SRIOV_CAPS_SRIOV_VBIOS
))
2049 amdgpu_vf_error_put(adev
, AMDGIM_ERROR_VF_NO_VBIOS
, 0, 0);
2053 bool amdgpu_device_asic_has_dc_support(enum amd_asic_type asic_type
)
2055 switch (asic_type
) {
2056 #if defined(CONFIG_DRM_AMD_DC)
2062 case CHIP_POLARIS11
:
2063 case CHIP_POLARIS10
:
2064 case CHIP_POLARIS12
:
2067 #if defined(CONFIG_DRM_AMD_DC_PRE_VEGA)
2068 return amdgpu_dc
!= 0;
2072 return amdgpu_dc
> 0;
2074 #if defined(CONFIG_DRM_AMD_DC_DCN1_0)
2077 return amdgpu_dc
!= 0;
2085 * amdgpu_device_has_dc_support - check if dc is supported
2087 * @adev: amdgpu_device_pointer
2089 * Returns true for supported, false for not supported
2091 bool amdgpu_device_has_dc_support(struct amdgpu_device
*adev
)
2093 if (amdgpu_sriov_vf(adev
))
2096 return amdgpu_device_asic_has_dc_support(adev
->asic_type
);
2100 * amdgpu_device_init - initialize the driver
2102 * @adev: amdgpu_device pointer
2103 * @pdev: drm dev pointer
2104 * @pdev: pci dev pointer
2105 * @flags: driver flags
2107 * Initializes the driver info and hw (all asics).
2108 * Returns 0 for success or an error on failure.
2109 * Called at driver startup.
2111 int amdgpu_device_init(struct amdgpu_device
*adev
,
2112 struct drm_device
*ddev
,
2113 struct pci_dev
*pdev
,
2117 bool runtime
= false;
2120 adev
->shutdown
= false;
2121 adev
->dev
= &pdev
->dev
;
2124 adev
->flags
= flags
;
2125 adev
->asic_type
= flags
& AMD_ASIC_MASK
;
2126 adev
->usec_timeout
= AMDGPU_MAX_USEC_TIMEOUT
;
2127 adev
->mc
.gart_size
= 512 * 1024 * 1024;
2128 adev
->accel_working
= false;
2129 adev
->num_rings
= 0;
2130 adev
->mman
.buffer_funcs
= NULL
;
2131 adev
->mman
.buffer_funcs_ring
= NULL
;
2132 adev
->vm_manager
.vm_pte_funcs
= NULL
;
2133 adev
->vm_manager
.vm_pte_num_rings
= 0;
2134 adev
->gart
.gart_funcs
= NULL
;
2135 adev
->fence_context
= dma_fence_context_alloc(AMDGPU_MAX_RINGS
);
2136 bitmap_zero(adev
->gfx
.pipe_reserve_bitmap
, AMDGPU_MAX_COMPUTE_QUEUES
);
2138 adev
->smc_rreg
= &amdgpu_invalid_rreg
;
2139 adev
->smc_wreg
= &amdgpu_invalid_wreg
;
2140 adev
->pcie_rreg
= &amdgpu_invalid_rreg
;
2141 adev
->pcie_wreg
= &amdgpu_invalid_wreg
;
2142 adev
->pciep_rreg
= &amdgpu_invalid_rreg
;
2143 adev
->pciep_wreg
= &amdgpu_invalid_wreg
;
2144 adev
->uvd_ctx_rreg
= &amdgpu_invalid_rreg
;
2145 adev
->uvd_ctx_wreg
= &amdgpu_invalid_wreg
;
2146 adev
->didt_rreg
= &amdgpu_invalid_rreg
;
2147 adev
->didt_wreg
= &amdgpu_invalid_wreg
;
2148 adev
->gc_cac_rreg
= &amdgpu_invalid_rreg
;
2149 adev
->gc_cac_wreg
= &amdgpu_invalid_wreg
;
2150 adev
->audio_endpt_rreg
= &amdgpu_block_invalid_rreg
;
2151 adev
->audio_endpt_wreg
= &amdgpu_block_invalid_wreg
;
2153 DRM_INFO("initializing kernel modesetting (%s 0x%04X:0x%04X 0x%04X:0x%04X 0x%02X).\n",
2154 amdgpu_asic_name
[adev
->asic_type
], pdev
->vendor
, pdev
->device
,
2155 pdev
->subsystem_vendor
, pdev
->subsystem_device
, pdev
->revision
);
2157 /* mutex initialization are all done here so we
2158 * can recall function without having locking issues */
2159 atomic_set(&adev
->irq
.ih
.lock
, 0);
2160 mutex_init(&adev
->firmware
.mutex
);
2161 mutex_init(&adev
->pm
.mutex
);
2162 mutex_init(&adev
->gfx
.gpu_clock_mutex
);
2163 mutex_init(&adev
->srbm_mutex
);
2164 mutex_init(&adev
->gfx
.pipe_reserve_mutex
);
2165 mutex_init(&adev
->grbm_idx_mutex
);
2166 mutex_init(&adev
->mn_lock
);
2167 mutex_init(&adev
->virt
.vf_errors
.lock
);
2168 hash_init(adev
->mn_hash
);
2170 amdgpu_check_arguments(adev
);
2172 spin_lock_init(&adev
->mmio_idx_lock
);
2173 spin_lock_init(&adev
->smc_idx_lock
);
2174 spin_lock_init(&adev
->pcie_idx_lock
);
2175 spin_lock_init(&adev
->uvd_ctx_idx_lock
);
2176 spin_lock_init(&adev
->didt_idx_lock
);
2177 spin_lock_init(&adev
->gc_cac_idx_lock
);
2178 spin_lock_init(&adev
->se_cac_idx_lock
);
2179 spin_lock_init(&adev
->audio_endpt_idx_lock
);
2180 spin_lock_init(&adev
->mm_stats
.lock
);
2182 INIT_LIST_HEAD(&adev
->shadow_list
);
2183 mutex_init(&adev
->shadow_list_lock
);
2185 INIT_LIST_HEAD(&adev
->gtt_list
);
2186 spin_lock_init(&adev
->gtt_list_lock
);
2188 INIT_LIST_HEAD(&adev
->ring_lru_list
);
2189 spin_lock_init(&adev
->ring_lru_list_lock
);
2191 INIT_DELAYED_WORK(&adev
->late_init_work
, amdgpu_late_init_func_handler
);
2193 /* Registers mapping */
2194 /* TODO: block userspace mapping of io register */
2195 if (adev
->asic_type
>= CHIP_BONAIRE
) {
2196 adev
->rmmio_base
= pci_resource_start(adev
->pdev
, 5);
2197 adev
->rmmio_size
= pci_resource_len(adev
->pdev
, 5);
2199 adev
->rmmio_base
= pci_resource_start(adev
->pdev
, 2);
2200 adev
->rmmio_size
= pci_resource_len(adev
->pdev
, 2);
2203 adev
->rmmio
= ioremap(adev
->rmmio_base
, adev
->rmmio_size
);
2204 if (adev
->rmmio
== NULL
) {
2207 DRM_INFO("register mmio base: 0x%08X\n", (uint32_t)adev
->rmmio_base
);
2208 DRM_INFO("register mmio size: %u\n", (unsigned)adev
->rmmio_size
);
2210 /* doorbell bar mapping */
2211 amdgpu_doorbell_init(adev
);
2213 /* io port mapping */
2214 for (i
= 0; i
< DEVICE_COUNT_RESOURCE
; i
++) {
2215 if (pci_resource_flags(adev
->pdev
, i
) & IORESOURCE_IO
) {
2216 adev
->rio_mem_size
= pci_resource_len(adev
->pdev
, i
);
2217 adev
->rio_mem
= pci_iomap(adev
->pdev
, i
, adev
->rio_mem_size
);
2221 if (adev
->rio_mem
== NULL
)
2222 DRM_INFO("PCI I/O BAR is not found.\n");
2224 /* early init functions */
2225 r
= amdgpu_early_init(adev
);
2229 /* if we have > 1 VGA cards, then disable the amdgpu VGA resources */
2230 /* this will fail for cards that aren't VGA class devices, just
2232 vga_client_register(adev
->pdev
, adev
, NULL
, amdgpu_vga_set_decode
);
2234 if (amdgpu_runtime_pm
== 1)
2236 if (amdgpu_device_is_px(ddev
))
2238 if (!pci_is_thunderbolt_attached(adev
->pdev
))
2239 vga_switcheroo_register_client(adev
->pdev
,
2240 &amdgpu_switcheroo_ops
, runtime
);
2242 vga_switcheroo_init_domain_pm_ops(adev
->dev
, &adev
->vga_pm_domain
);
2245 if (!amdgpu_get_bios(adev
)) {
2250 r
= amdgpu_atombios_init(adev
);
2252 dev_err(adev
->dev
, "amdgpu_atombios_init failed\n");
2253 amdgpu_vf_error_put(adev
, AMDGIM_ERROR_VF_ATOMBIOS_INIT_FAIL
, 0, 0);
2257 /* detect if we are with an SRIOV vbios */
2258 amdgpu_device_detect_sriov_bios(adev
);
2260 /* Post card if necessary */
2261 if (amdgpu_need_post(adev
)) {
2263 dev_err(adev
->dev
, "no vBIOS found\n");
2267 DRM_INFO("GPU posting now...\n");
2268 r
= amdgpu_atom_asic_init(adev
->mode_info
.atom_context
);
2270 dev_err(adev
->dev
, "gpu post error!\n");
2274 DRM_INFO("GPU post is not needed\n");
2277 if (adev
->is_atom_fw
) {
2278 /* Initialize clocks */
2279 r
= amdgpu_atomfirmware_get_clock_info(adev
);
2281 dev_err(adev
->dev
, "amdgpu_atomfirmware_get_clock_info failed\n");
2282 amdgpu_vf_error_put(adev
, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL
, 0, 0);
2286 /* Initialize clocks */
2287 r
= amdgpu_atombios_get_clock_info(adev
);
2289 dev_err(adev
->dev
, "amdgpu_atombios_get_clock_info failed\n");
2290 amdgpu_vf_error_put(adev
, AMDGIM_ERROR_VF_ATOMBIOS_GET_CLOCK_FAIL
, 0, 0);
2293 /* init i2c buses */
2294 if (!amdgpu_device_has_dc_support(adev
))
2295 amdgpu_atombios_i2c_init(adev
);
2299 r
= amdgpu_fence_driver_init(adev
);
2301 dev_err(adev
->dev
, "amdgpu_fence_driver_init failed\n");
2302 amdgpu_vf_error_put(adev
, AMDGIM_ERROR_VF_FENCE_INIT_FAIL
, 0, 0);
2306 /* init the mode config */
2307 drm_mode_config_init(adev
->ddev
);
2309 r
= amdgpu_init(adev
);
2311 dev_err(adev
->dev
, "amdgpu_init failed\n");
2312 amdgpu_vf_error_put(adev
, AMDGIM_ERROR_VF_AMDGPU_INIT_FAIL
, 0, 0);
2317 adev
->accel_working
= true;
2319 amdgpu_vm_check_compute_bug(adev
);
2321 /* Initialize the buffer migration limit. */
2322 if (amdgpu_moverate
>= 0)
2323 max_MBps
= amdgpu_moverate
;
2325 max_MBps
= 8; /* Allow 8 MB/s. */
2326 /* Get a log2 for easy divisions. */
2327 adev
->mm_stats
.log2_max_MBps
= ilog2(max(1u, max_MBps
));
2329 r
= amdgpu_ib_pool_init(adev
);
2331 dev_err(adev
->dev
, "IB initialization failed (%d).\n", r
);
2332 amdgpu_vf_error_put(adev
, AMDGIM_ERROR_VF_IB_INIT_FAIL
, 0, r
);
2336 r
= amdgpu_ib_ring_tests(adev
);
2338 DRM_ERROR("ib ring test failed (%d).\n", r
);
2340 if (amdgpu_sriov_vf(adev
))
2341 amdgpu_virt_init_data_exchange(adev
);
2343 amdgpu_fbdev_init(adev
);
2345 r
= amdgpu_pm_sysfs_init(adev
);
2347 DRM_ERROR("registering pm debugfs failed (%d).\n", r
);
2349 r
= amdgpu_gem_debugfs_init(adev
);
2351 DRM_ERROR("registering gem debugfs failed (%d).\n", r
);
2353 r
= amdgpu_debugfs_regs_init(adev
);
2355 DRM_ERROR("registering register debugfs failed (%d).\n", r
);
2357 r
= amdgpu_debugfs_test_ib_ring_init(adev
);
2359 DRM_ERROR("registering register test ib ring debugfs failed (%d).\n", r
);
2361 r
= amdgpu_debugfs_firmware_init(adev
);
2363 DRM_ERROR("registering firmware debugfs failed (%d).\n", r
);
2365 r
= amdgpu_debugfs_vbios_dump_init(adev
);
2367 DRM_ERROR("Creating vbios dump debugfs failed (%d).\n", r
);
2369 if ((amdgpu_testing
& 1)) {
2370 if (adev
->accel_working
)
2371 amdgpu_test_moves(adev
);
2373 DRM_INFO("amdgpu: acceleration disabled, skipping move tests\n");
2375 if (amdgpu_benchmarking
) {
2376 if (adev
->accel_working
)
2377 amdgpu_benchmark(adev
, amdgpu_benchmarking
);
2379 DRM_INFO("amdgpu: acceleration disabled, skipping benchmarks\n");
2382 /* enable clockgating, etc. after ib tests, etc. since some blocks require
2383 * explicit gating rather than handling it automatically.
2385 r
= amdgpu_late_init(adev
);
2387 dev_err(adev
->dev
, "amdgpu_late_init failed\n");
2388 amdgpu_vf_error_put(adev
, AMDGIM_ERROR_VF_AMDGPU_LATE_INIT_FAIL
, 0, r
);
2395 amdgpu_vf_error_trans_all(adev
);
2397 vga_switcheroo_fini_domain_pm_ops(adev
->dev
);
2402 * amdgpu_device_fini - tear down the driver
2404 * @adev: amdgpu_device pointer
2406 * Tear down the driver info (all asics).
2407 * Called at driver shutdown.
2409 void amdgpu_device_fini(struct amdgpu_device
*adev
)
2413 DRM_INFO("amdgpu: finishing device.\n");
2414 adev
->shutdown
= true;
2415 if (adev
->mode_info
.mode_config_initialized
)
2416 drm_crtc_force_disable_all(adev
->ddev
);
2417 /* evict vram memory */
2418 amdgpu_bo_evict_vram(adev
);
2419 amdgpu_ib_pool_fini(adev
);
2420 amdgpu_fw_reserve_vram_fini(adev
);
2421 amdgpu_fence_driver_fini(adev
);
2422 amdgpu_fbdev_fini(adev
);
2423 r
= amdgpu_fini(adev
);
2424 if (adev
->firmware
.gpu_info_fw
) {
2425 release_firmware(adev
->firmware
.gpu_info_fw
);
2426 adev
->firmware
.gpu_info_fw
= NULL
;
2428 adev
->accel_working
= false;
2429 cancel_delayed_work_sync(&adev
->late_init_work
);
2430 /* free i2c buses */
2431 if (!amdgpu_device_has_dc_support(adev
))
2432 amdgpu_i2c_fini(adev
);
2433 amdgpu_atombios_fini(adev
);
2436 if (!pci_is_thunderbolt_attached(adev
->pdev
))
2437 vga_switcheroo_unregister_client(adev
->pdev
);
2438 if (adev
->flags
& AMD_IS_PX
)
2439 vga_switcheroo_fini_domain_pm_ops(adev
->dev
);
2440 vga_client_register(adev
->pdev
, NULL
, NULL
, NULL
);
2442 pci_iounmap(adev
->pdev
, adev
->rio_mem
);
2443 adev
->rio_mem
= NULL
;
2444 iounmap(adev
->rmmio
);
2446 amdgpu_doorbell_fini(adev
);
2447 amdgpu_pm_sysfs_fini(adev
);
2448 amdgpu_debugfs_regs_cleanup(adev
);
2456 * amdgpu_device_suspend - initiate device suspend
2458 * @pdev: drm dev pointer
2459 * @state: suspend state
2461 * Puts the hw in the suspend state (all asics).
2462 * Returns 0 for success or an error on failure.
2463 * Called at driver suspend.
2465 int amdgpu_device_suspend(struct drm_device
*dev
, bool suspend
, bool fbcon
)
2467 struct amdgpu_device
*adev
;
2468 struct drm_crtc
*crtc
;
2469 struct drm_connector
*connector
;
2472 if (dev
== NULL
|| dev
->dev_private
== NULL
) {
2476 adev
= dev
->dev_private
;
2478 if (dev
->switch_power_state
== DRM_SWITCH_POWER_OFF
)
2481 drm_kms_helper_poll_disable(dev
);
2483 if (!amdgpu_device_has_dc_support(adev
)) {
2484 /* turn off display hw */
2485 drm_modeset_lock_all(dev
);
2486 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
2487 drm_helper_connector_dpms(connector
, DRM_MODE_DPMS_OFF
);
2489 drm_modeset_unlock_all(dev
);
2492 amdgpu_amdkfd_suspend(adev
);
2494 /* unpin the front buffers and cursors */
2495 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
2496 struct amdgpu_crtc
*amdgpu_crtc
= to_amdgpu_crtc(crtc
);
2497 struct amdgpu_framebuffer
*rfb
= to_amdgpu_framebuffer(crtc
->primary
->fb
);
2498 struct amdgpu_bo
*robj
;
2500 if (amdgpu_crtc
->cursor_bo
) {
2501 struct amdgpu_bo
*aobj
= gem_to_amdgpu_bo(amdgpu_crtc
->cursor_bo
);
2502 r
= amdgpu_bo_reserve(aobj
, true);
2504 amdgpu_bo_unpin(aobj
);
2505 amdgpu_bo_unreserve(aobj
);
2509 if (rfb
== NULL
|| rfb
->obj
== NULL
) {
2512 robj
= gem_to_amdgpu_bo(rfb
->obj
);
2513 /* don't unpin kernel fb objects */
2514 if (!amdgpu_fbdev_robj_is_fb(adev
, robj
)) {
2515 r
= amdgpu_bo_reserve(robj
, true);
2517 amdgpu_bo_unpin(robj
);
2518 amdgpu_bo_unreserve(robj
);
2522 /* evict vram memory */
2523 amdgpu_bo_evict_vram(adev
);
2525 amdgpu_fence_driver_suspend(adev
);
2527 r
= amdgpu_suspend(adev
);
2529 /* evict remaining vram memory
2530 * This second call to evict vram is to evict the gart page table
2533 amdgpu_bo_evict_vram(adev
);
2535 amdgpu_atombios_scratch_regs_save(adev
);
2536 pci_save_state(dev
->pdev
);
2538 /* Shut down the device */
2539 pci_disable_device(dev
->pdev
);
2540 pci_set_power_state(dev
->pdev
, PCI_D3hot
);
2542 r
= amdgpu_asic_reset(adev
);
2544 DRM_ERROR("amdgpu asic reset failed\n");
2549 amdgpu_fbdev_set_suspend(adev
, 1);
2556 * amdgpu_device_resume - initiate device resume
2558 * @pdev: drm dev pointer
2560 * Bring the hw back to operating state (all asics).
2561 * Returns 0 for success or an error on failure.
2562 * Called at driver resume.
2564 int amdgpu_device_resume(struct drm_device
*dev
, bool resume
, bool fbcon
)
2566 struct drm_connector
*connector
;
2567 struct amdgpu_device
*adev
= dev
->dev_private
;
2568 struct drm_crtc
*crtc
;
2571 if (dev
->switch_power_state
== DRM_SWITCH_POWER_OFF
)
2578 pci_set_power_state(dev
->pdev
, PCI_D0
);
2579 pci_restore_state(dev
->pdev
);
2580 r
= pci_enable_device(dev
->pdev
);
2584 amdgpu_atombios_scratch_regs_restore(adev
);
2587 if (amdgpu_need_post(adev
)) {
2588 r
= amdgpu_atom_asic_init(adev
->mode_info
.atom_context
);
2590 DRM_ERROR("amdgpu asic init failed\n");
2593 r
= amdgpu_resume(adev
);
2595 DRM_ERROR("amdgpu_resume failed (%d).\n", r
);
2598 amdgpu_fence_driver_resume(adev
);
2601 r
= amdgpu_ib_ring_tests(adev
);
2603 DRM_ERROR("ib ring test failed (%d).\n", r
);
2606 r
= amdgpu_late_init(adev
);
2611 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
2612 struct amdgpu_crtc
*amdgpu_crtc
= to_amdgpu_crtc(crtc
);
2614 if (amdgpu_crtc
->cursor_bo
) {
2615 struct amdgpu_bo
*aobj
= gem_to_amdgpu_bo(amdgpu_crtc
->cursor_bo
);
2616 r
= amdgpu_bo_reserve(aobj
, true);
2618 r
= amdgpu_bo_pin(aobj
,
2619 AMDGPU_GEM_DOMAIN_VRAM
,
2620 &amdgpu_crtc
->cursor_addr
);
2622 DRM_ERROR("Failed to pin cursor BO (%d)\n", r
);
2623 amdgpu_bo_unreserve(aobj
);
2627 r
= amdgpu_amdkfd_resume(adev
);
2631 /* blat the mode back in */
2633 if (!amdgpu_device_has_dc_support(adev
)) {
2635 drm_helper_resume_force_mode(dev
);
2637 /* turn on display hw */
2638 drm_modeset_lock_all(dev
);
2639 list_for_each_entry(connector
, &dev
->mode_config
.connector_list
, head
) {
2640 drm_helper_connector_dpms(connector
, DRM_MODE_DPMS_ON
);
2642 drm_modeset_unlock_all(dev
);
2645 * There is no equivalent atomic helper to turn on
2646 * display, so we defined our own function for this,
2647 * once suspend resume is supported by the atomic
2648 * framework this will be reworked
2650 amdgpu_dm_display_resume(adev
);
2654 drm_kms_helper_poll_enable(dev
);
2657 * Most of the connector probing functions try to acquire runtime pm
2658 * refs to ensure that the GPU is powered on when connector polling is
2659 * performed. Since we're calling this from a runtime PM callback,
2660 * trying to acquire rpm refs will cause us to deadlock.
2662 * Since we're guaranteed to be holding the rpm lock, it's safe to
2663 * temporarily disable the rpm helpers so this doesn't deadlock us.
2666 dev
->dev
->power
.disable_depth
++;
2668 if (!amdgpu_device_has_dc_support(adev
))
2669 drm_helper_hpd_irq_event(dev
);
2671 drm_kms_helper_hotplug_event(dev
);
2673 dev
->dev
->power
.disable_depth
--;
2677 amdgpu_fbdev_set_suspend(adev
, 0);
2686 static bool amdgpu_check_soft_reset(struct amdgpu_device
*adev
)
2689 bool asic_hang
= false;
2691 if (amdgpu_sriov_vf(adev
))
2694 for (i
= 0; i
< adev
->num_ip_blocks
; i
++) {
2695 if (!adev
->ip_blocks
[i
].status
.valid
)
2697 if (adev
->ip_blocks
[i
].version
->funcs
->check_soft_reset
)
2698 adev
->ip_blocks
[i
].status
.hang
=
2699 adev
->ip_blocks
[i
].version
->funcs
->check_soft_reset(adev
);
2700 if (adev
->ip_blocks
[i
].status
.hang
) {
2701 DRM_INFO("IP block:%s is hung!\n", adev
->ip_blocks
[i
].version
->funcs
->name
);
2708 static int amdgpu_pre_soft_reset(struct amdgpu_device
*adev
)
2712 for (i
= 0; i
< adev
->num_ip_blocks
; i
++) {
2713 if (!adev
->ip_blocks
[i
].status
.valid
)
2715 if (adev
->ip_blocks
[i
].status
.hang
&&
2716 adev
->ip_blocks
[i
].version
->funcs
->pre_soft_reset
) {
2717 r
= adev
->ip_blocks
[i
].version
->funcs
->pre_soft_reset(adev
);
2726 static bool amdgpu_need_full_reset(struct amdgpu_device
*adev
)
2730 for (i
= 0; i
< adev
->num_ip_blocks
; i
++) {
2731 if (!adev
->ip_blocks
[i
].status
.valid
)
2733 if ((adev
->ip_blocks
[i
].version
->type
== AMD_IP_BLOCK_TYPE_GMC
) ||
2734 (adev
->ip_blocks
[i
].version
->type
== AMD_IP_BLOCK_TYPE_SMC
) ||
2735 (adev
->ip_blocks
[i
].version
->type
== AMD_IP_BLOCK_TYPE_ACP
) ||
2736 (adev
->ip_blocks
[i
].version
->type
== AMD_IP_BLOCK_TYPE_DCE
) ||
2737 adev
->ip_blocks
[i
].version
->type
== AMD_IP_BLOCK_TYPE_PSP
) {
2738 if (adev
->ip_blocks
[i
].status
.hang
) {
2739 DRM_INFO("Some block need full reset!\n");
2747 static int amdgpu_soft_reset(struct amdgpu_device
*adev
)
2751 for (i
= 0; i
< adev
->num_ip_blocks
; i
++) {
2752 if (!adev
->ip_blocks
[i
].status
.valid
)
2754 if (adev
->ip_blocks
[i
].status
.hang
&&
2755 adev
->ip_blocks
[i
].version
->funcs
->soft_reset
) {
2756 r
= adev
->ip_blocks
[i
].version
->funcs
->soft_reset(adev
);
2765 static int amdgpu_post_soft_reset(struct amdgpu_device
*adev
)
2769 for (i
= 0; i
< adev
->num_ip_blocks
; i
++) {
2770 if (!adev
->ip_blocks
[i
].status
.valid
)
2772 if (adev
->ip_blocks
[i
].status
.hang
&&
2773 adev
->ip_blocks
[i
].version
->funcs
->post_soft_reset
)
2774 r
= adev
->ip_blocks
[i
].version
->funcs
->post_soft_reset(adev
);
2782 bool amdgpu_need_backup(struct amdgpu_device
*adev
)
2784 if (adev
->flags
& AMD_IS_APU
)
2787 return amdgpu_lockup_timeout
> 0 ? true : false;
2790 static int amdgpu_recover_vram_from_shadow(struct amdgpu_device
*adev
,
2791 struct amdgpu_ring
*ring
,
2792 struct amdgpu_bo
*bo
,
2793 struct dma_fence
**fence
)
2801 r
= amdgpu_bo_reserve(bo
, true);
2804 domain
= amdgpu_mem_type_to_domain(bo
->tbo
.mem
.mem_type
);
2805 /* if bo has been evicted, then no need to recover */
2806 if (domain
== AMDGPU_GEM_DOMAIN_VRAM
) {
2807 r
= amdgpu_bo_validate(bo
->shadow
);
2809 DRM_ERROR("bo validate failed!\n");
2813 r
= amdgpu_bo_restore_from_shadow(adev
, ring
, bo
,
2816 DRM_ERROR("recover page table failed!\n");
2821 amdgpu_bo_unreserve(bo
);
2826 * amdgpu_sriov_gpu_reset - reset the asic
2828 * @adev: amdgpu device pointer
2829 * @job: which job trigger hang
2831 * Attempt the reset the GPU if it has hung (all asics).
2833 * Returns 0 for success or an error on failure.
2835 int amdgpu_sriov_gpu_reset(struct amdgpu_device
*adev
, struct amdgpu_job
*job
)
2839 struct amdgpu_bo
*bo
, *tmp
;
2840 struct amdgpu_ring
*ring
;
2841 struct dma_fence
*fence
= NULL
, *next
= NULL
;
2843 mutex_lock(&adev
->virt
.lock_reset
);
2844 atomic_inc(&adev
->gpu_reset_counter
);
2845 adev
->in_sriov_reset
= true;
2848 resched
= ttm_bo_lock_delayed_workqueue(&adev
->mman
.bdev
);
2850 /* we start from the ring trigger GPU hang */
2851 j
= job
? job
->ring
->idx
: 0;
2853 /* block scheduler */
2854 for (i
= j
; i
< j
+ AMDGPU_MAX_RINGS
; ++i
) {
2855 ring
= adev
->rings
[i
% AMDGPU_MAX_RINGS
];
2856 if (!ring
|| !ring
->sched
.thread
)
2859 kthread_park(ring
->sched
.thread
);
2864 /* here give the last chance to check if job removed from mirror-list
2865 * since we already pay some time on kthread_park */
2866 if (job
&& list_empty(&job
->base
.node
)) {
2867 kthread_unpark(ring
->sched
.thread
);
2871 if (amd_sched_invalidate_job(&job
->base
, amdgpu_job_hang_limit
))
2872 amd_sched_job_kickout(&job
->base
);
2874 /* only do job_reset on the hang ring if @job not NULL */
2875 amd_sched_hw_job_reset(&ring
->sched
);
2877 /* after all hw jobs are reset, hw fence is meaningless, so force_completion */
2878 amdgpu_fence_driver_force_completion_ring(ring
);
2881 /* request to take full control of GPU before re-initialization */
2883 amdgpu_virt_reset_gpu(adev
);
2885 amdgpu_virt_request_full_gpu(adev
, true);
2888 /* Resume IP prior to SMC */
2889 amdgpu_sriov_reinit_early(adev
);
2891 /* we need recover gart prior to run SMC/CP/SDMA resume */
2892 amdgpu_ttm_recover_gart(adev
);
2894 /* now we are okay to resume SMC/CP/SDMA */
2895 amdgpu_sriov_reinit_late(adev
);
2897 amdgpu_irq_gpu_reset_resume_helper(adev
);
2899 if (amdgpu_ib_ring_tests(adev
))
2900 dev_err(adev
->dev
, "[GPU_RESET] ib ring test failed (%d).\n", r
);
2902 /* release full control of GPU after ib test */
2903 amdgpu_virt_release_full_gpu(adev
, true);
2905 DRM_INFO("recover vram bo from shadow\n");
2907 ring
= adev
->mman
.buffer_funcs_ring
;
2908 mutex_lock(&adev
->shadow_list_lock
);
2909 list_for_each_entry_safe(bo
, tmp
, &adev
->shadow_list
, shadow_list
) {
2911 amdgpu_recover_vram_from_shadow(adev
, ring
, bo
, &next
);
2913 r
= dma_fence_wait(fence
, false);
2915 WARN(r
, "recovery from shadow isn't completed\n");
2920 dma_fence_put(fence
);
2923 mutex_unlock(&adev
->shadow_list_lock
);
2926 r
= dma_fence_wait(fence
, false);
2928 WARN(r
, "recovery from shadow isn't completed\n");
2930 dma_fence_put(fence
);
2932 for (i
= j
; i
< j
+ AMDGPU_MAX_RINGS
; ++i
) {
2933 ring
= adev
->rings
[i
% AMDGPU_MAX_RINGS
];
2934 if (!ring
|| !ring
->sched
.thread
)
2937 if (job
&& j
!= i
) {
2938 kthread_unpark(ring
->sched
.thread
);
2942 amd_sched_job_recovery(&ring
->sched
);
2943 kthread_unpark(ring
->sched
.thread
);
2946 drm_helper_resume_force_mode(adev
->ddev
);
2948 ttm_bo_unlock_delayed_workqueue(&adev
->mman
.bdev
, resched
);
2950 /* bad news, how to tell it to userspace ? */
2951 dev_info(adev
->dev
, "GPU reset failed\n");
2953 dev_info(adev
->dev
, "GPU reset successed!\n");
2956 adev
->in_sriov_reset
= false;
2957 mutex_unlock(&adev
->virt
.lock_reset
);
2962 * amdgpu_gpu_reset - reset the asic
2964 * @adev: amdgpu device pointer
2966 * Attempt the reset the GPU if it has hung (all asics).
2967 * Returns 0 for success or an error on failure.
2969 int amdgpu_gpu_reset(struct amdgpu_device
*adev
)
2971 struct drm_atomic_state
*state
= NULL
;
2974 bool need_full_reset
, vram_lost
= false;
2976 if (!amdgpu_check_soft_reset(adev
)) {
2977 DRM_INFO("No hardware hang detected. Did some blocks stall?\n");
2981 atomic_inc(&adev
->gpu_reset_counter
);
2984 resched
= ttm_bo_lock_delayed_workqueue(&adev
->mman
.bdev
);
2985 /* store modesetting */
2986 if (amdgpu_device_has_dc_support(adev
))
2987 state
= drm_atomic_helper_suspend(adev
->ddev
);
2989 /* block scheduler */
2990 for (i
= 0; i
< AMDGPU_MAX_RINGS
; ++i
) {
2991 struct amdgpu_ring
*ring
= adev
->rings
[i
];
2993 if (!ring
|| !ring
->sched
.thread
)
2995 kthread_park(ring
->sched
.thread
);
2996 amd_sched_hw_job_reset(&ring
->sched
);
2998 /* after all hw jobs are reset, hw fence is meaningless, so force_completion */
2999 amdgpu_fence_driver_force_completion(adev
);
3001 need_full_reset
= amdgpu_need_full_reset(adev
);
3003 if (!need_full_reset
) {
3004 amdgpu_pre_soft_reset(adev
);
3005 r
= amdgpu_soft_reset(adev
);
3006 amdgpu_post_soft_reset(adev
);
3007 if (r
|| amdgpu_check_soft_reset(adev
)) {
3008 DRM_INFO("soft reset failed, will fallback to full reset!\n");
3009 need_full_reset
= true;
3013 if (need_full_reset
) {
3014 r
= amdgpu_suspend(adev
);
3017 amdgpu_atombios_scratch_regs_save(adev
);
3018 r
= amdgpu_asic_reset(adev
);
3019 amdgpu_atombios_scratch_regs_restore(adev
);
3021 amdgpu_atom_asic_init(adev
->mode_info
.atom_context
);
3024 dev_info(adev
->dev
, "GPU reset succeeded, trying to resume\n");
3025 r
= amdgpu_resume_phase1(adev
);
3028 vram_lost
= amdgpu_check_vram_lost(adev
);
3030 DRM_ERROR("VRAM is lost!\n");
3031 atomic_inc(&adev
->vram_lost_counter
);
3033 r
= amdgpu_ttm_recover_gart(adev
);
3036 r
= amdgpu_resume_phase2(adev
);
3040 amdgpu_fill_reset_magic(adev
);
3045 amdgpu_irq_gpu_reset_resume_helper(adev
);
3046 r
= amdgpu_ib_ring_tests(adev
);
3048 dev_err(adev
->dev
, "ib ring test failed (%d).\n", r
);
3049 r
= amdgpu_suspend(adev
);
3050 need_full_reset
= true;
3054 * recovery vm page tables, since we cannot depend on VRAM is
3055 * consistent after gpu full reset.
3057 if (need_full_reset
&& amdgpu_need_backup(adev
)) {
3058 struct amdgpu_ring
*ring
= adev
->mman
.buffer_funcs_ring
;
3059 struct amdgpu_bo
*bo
, *tmp
;
3060 struct dma_fence
*fence
= NULL
, *next
= NULL
;
3062 DRM_INFO("recover vram bo from shadow\n");
3063 mutex_lock(&adev
->shadow_list_lock
);
3064 list_for_each_entry_safe(bo
, tmp
, &adev
->shadow_list
, shadow_list
) {
3066 amdgpu_recover_vram_from_shadow(adev
, ring
, bo
, &next
);
3068 r
= dma_fence_wait(fence
, false);
3070 WARN(r
, "recovery from shadow isn't completed\n");
3075 dma_fence_put(fence
);
3078 mutex_unlock(&adev
->shadow_list_lock
);
3080 r
= dma_fence_wait(fence
, false);
3082 WARN(r
, "recovery from shadow isn't completed\n");
3084 dma_fence_put(fence
);
3086 for (i
= 0; i
< AMDGPU_MAX_RINGS
; ++i
) {
3087 struct amdgpu_ring
*ring
= adev
->rings
[i
];
3089 if (!ring
|| !ring
->sched
.thread
)
3092 amd_sched_job_recovery(&ring
->sched
);
3093 kthread_unpark(ring
->sched
.thread
);
3096 dev_err(adev
->dev
, "asic resume failed (%d).\n", r
);
3097 for (i
= 0; i
< AMDGPU_MAX_RINGS
; ++i
) {
3098 if (adev
->rings
[i
] && adev
->rings
[i
]->sched
.thread
) {
3099 kthread_unpark(adev
->rings
[i
]->sched
.thread
);
3104 if (amdgpu_device_has_dc_support(adev
)) {
3105 r
= drm_atomic_helper_resume(adev
->ddev
, state
);
3106 amdgpu_dm_display_resume(adev
);
3108 drm_helper_resume_force_mode(adev
->ddev
);
3110 ttm_bo_unlock_delayed_workqueue(&adev
->mman
.bdev
, resched
);
3112 /* bad news, how to tell it to userspace ? */
3113 dev_info(adev
->dev
, "GPU reset failed\n");
3116 dev_info(adev
->dev
, "GPU reset successed!\n");
3119 amdgpu_vf_error_trans_all(adev
);
3123 void amdgpu_get_pcie_info(struct amdgpu_device
*adev
)
3128 if (amdgpu_pcie_gen_cap
)
3129 adev
->pm
.pcie_gen_mask
= amdgpu_pcie_gen_cap
;
3131 if (amdgpu_pcie_lane_cap
)
3132 adev
->pm
.pcie_mlw_mask
= amdgpu_pcie_lane_cap
;
3134 /* covers APUs as well */
3135 if (pci_is_root_bus(adev
->pdev
->bus
)) {
3136 if (adev
->pm
.pcie_gen_mask
== 0)
3137 adev
->pm
.pcie_gen_mask
= AMDGPU_DEFAULT_PCIE_GEN_MASK
;
3138 if (adev
->pm
.pcie_mlw_mask
== 0)
3139 adev
->pm
.pcie_mlw_mask
= AMDGPU_DEFAULT_PCIE_MLW_MASK
;
3143 if (adev
->pm
.pcie_gen_mask
== 0) {
3144 ret
= drm_pcie_get_speed_cap_mask(adev
->ddev
, &mask
);
3146 adev
->pm
.pcie_gen_mask
= (CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN1
|
3147 CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN2
|
3148 CAIL_ASIC_PCIE_LINK_SPEED_SUPPORT_GEN3
);
3150 if (mask
& DRM_PCIE_SPEED_25
)
3151 adev
->pm
.pcie_gen_mask
|= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN1
;
3152 if (mask
& DRM_PCIE_SPEED_50
)
3153 adev
->pm
.pcie_gen_mask
|= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2
;
3154 if (mask
& DRM_PCIE_SPEED_80
)
3155 adev
->pm
.pcie_gen_mask
|= CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3
;
3157 adev
->pm
.pcie_gen_mask
= AMDGPU_DEFAULT_PCIE_GEN_MASK
;
3160 if (adev
->pm
.pcie_mlw_mask
== 0) {
3161 ret
= drm_pcie_get_max_link_width(adev
->ddev
, &mask
);
3165 adev
->pm
.pcie_mlw_mask
= (CAIL_PCIE_LINK_WIDTH_SUPPORT_X32
|
3166 CAIL_PCIE_LINK_WIDTH_SUPPORT_X16
|
3167 CAIL_PCIE_LINK_WIDTH_SUPPORT_X12
|
3168 CAIL_PCIE_LINK_WIDTH_SUPPORT_X8
|
3169 CAIL_PCIE_LINK_WIDTH_SUPPORT_X4
|
3170 CAIL_PCIE_LINK_WIDTH_SUPPORT_X2
|
3171 CAIL_PCIE_LINK_WIDTH_SUPPORT_X1
);
3174 adev
->pm
.pcie_mlw_mask
= (CAIL_PCIE_LINK_WIDTH_SUPPORT_X16
|
3175 CAIL_PCIE_LINK_WIDTH_SUPPORT_X12
|
3176 CAIL_PCIE_LINK_WIDTH_SUPPORT_X8
|
3177 CAIL_PCIE_LINK_WIDTH_SUPPORT_X4
|
3178 CAIL_PCIE_LINK_WIDTH_SUPPORT_X2
|
3179 CAIL_PCIE_LINK_WIDTH_SUPPORT_X1
);
3182 adev
->pm
.pcie_mlw_mask
= (CAIL_PCIE_LINK_WIDTH_SUPPORT_X12
|
3183 CAIL_PCIE_LINK_WIDTH_SUPPORT_X8
|
3184 CAIL_PCIE_LINK_WIDTH_SUPPORT_X4
|
3185 CAIL_PCIE_LINK_WIDTH_SUPPORT_X2
|
3186 CAIL_PCIE_LINK_WIDTH_SUPPORT_X1
);
3189 adev
->pm
.pcie_mlw_mask
= (CAIL_PCIE_LINK_WIDTH_SUPPORT_X8
|
3190 CAIL_PCIE_LINK_WIDTH_SUPPORT_X4
|
3191 CAIL_PCIE_LINK_WIDTH_SUPPORT_X2
|
3192 CAIL_PCIE_LINK_WIDTH_SUPPORT_X1
);
3195 adev
->pm
.pcie_mlw_mask
= (CAIL_PCIE_LINK_WIDTH_SUPPORT_X4
|
3196 CAIL_PCIE_LINK_WIDTH_SUPPORT_X2
|
3197 CAIL_PCIE_LINK_WIDTH_SUPPORT_X1
);
3200 adev
->pm
.pcie_mlw_mask
= (CAIL_PCIE_LINK_WIDTH_SUPPORT_X2
|
3201 CAIL_PCIE_LINK_WIDTH_SUPPORT_X1
);
3204 adev
->pm
.pcie_mlw_mask
= CAIL_PCIE_LINK_WIDTH_SUPPORT_X1
;
3210 adev
->pm
.pcie_mlw_mask
= AMDGPU_DEFAULT_PCIE_MLW_MASK
;
3218 int amdgpu_debugfs_add_files(struct amdgpu_device
*adev
,
3219 const struct drm_info_list
*files
,
3224 for (i
= 0; i
< adev
->debugfs_count
; i
++) {
3225 if (adev
->debugfs
[i
].files
== files
) {
3226 /* Already registered */
3231 i
= adev
->debugfs_count
+ 1;
3232 if (i
> AMDGPU_DEBUGFS_MAX_COMPONENTS
) {
3233 DRM_ERROR("Reached maximum number of debugfs components.\n");
3234 DRM_ERROR("Report so we increase "
3235 "AMDGPU_DEBUGFS_MAX_COMPONENTS.\n");
3238 adev
->debugfs
[adev
->debugfs_count
].files
= files
;
3239 adev
->debugfs
[adev
->debugfs_count
].num_files
= nfiles
;
3240 adev
->debugfs_count
= i
;
3241 #if defined(CONFIG_DEBUG_FS)
3242 drm_debugfs_create_files(files
, nfiles
,
3243 adev
->ddev
->primary
->debugfs_root
,
3244 adev
->ddev
->primary
);
3249 #if defined(CONFIG_DEBUG_FS)
3251 static ssize_t
amdgpu_debugfs_regs_read(struct file
*f
, char __user
*buf
,
3252 size_t size
, loff_t
*pos
)
3254 struct amdgpu_device
*adev
= file_inode(f
)->i_private
;
3257 bool pm_pg_lock
, use_bank
;
3258 unsigned instance_bank
, sh_bank
, se_bank
;
3260 if (size
& 0x3 || *pos
& 0x3)
3263 /* are we reading registers for which a PG lock is necessary? */
3264 pm_pg_lock
= (*pos
>> 23) & 1;
3266 if (*pos
& (1ULL << 62)) {
3267 se_bank
= (*pos
& GENMASK_ULL(33, 24)) >> 24;
3268 sh_bank
= (*pos
& GENMASK_ULL(43, 34)) >> 34;
3269 instance_bank
= (*pos
& GENMASK_ULL(53, 44)) >> 44;
3271 if (se_bank
== 0x3FF)
3272 se_bank
= 0xFFFFFFFF;
3273 if (sh_bank
== 0x3FF)
3274 sh_bank
= 0xFFFFFFFF;
3275 if (instance_bank
== 0x3FF)
3276 instance_bank
= 0xFFFFFFFF;
3282 *pos
&= (1UL << 22) - 1;
3285 if ((sh_bank
!= 0xFFFFFFFF && sh_bank
>= adev
->gfx
.config
.max_sh_per_se
) ||
3286 (se_bank
!= 0xFFFFFFFF && se_bank
>= adev
->gfx
.config
.max_shader_engines
))
3288 mutex_lock(&adev
->grbm_idx_mutex
);
3289 amdgpu_gfx_select_se_sh(adev
, se_bank
,
3290 sh_bank
, instance_bank
);
3294 mutex_lock(&adev
->pm
.mutex
);
3299 if (*pos
> adev
->rmmio_size
)
3302 value
= RREG32(*pos
>> 2);
3303 r
= put_user(value
, (uint32_t *)buf
);
3317 amdgpu_gfx_select_se_sh(adev
, 0xffffffff, 0xffffffff, 0xffffffff);
3318 mutex_unlock(&adev
->grbm_idx_mutex
);
3322 mutex_unlock(&adev
->pm
.mutex
);
3327 static ssize_t
amdgpu_debugfs_regs_write(struct file
*f
, const char __user
*buf
,
3328 size_t size
, loff_t
*pos
)
3330 struct amdgpu_device
*adev
= file_inode(f
)->i_private
;
3333 bool pm_pg_lock
, use_bank
;
3334 unsigned instance_bank
, sh_bank
, se_bank
;
3336 if (size
& 0x3 || *pos
& 0x3)
3339 /* are we reading registers for which a PG lock is necessary? */
3340 pm_pg_lock
= (*pos
>> 23) & 1;
3342 if (*pos
& (1ULL << 62)) {
3343 se_bank
= (*pos
& GENMASK_ULL(33, 24)) >> 24;
3344 sh_bank
= (*pos
& GENMASK_ULL(43, 34)) >> 34;
3345 instance_bank
= (*pos
& GENMASK_ULL(53, 44)) >> 44;
3347 if (se_bank
== 0x3FF)
3348 se_bank
= 0xFFFFFFFF;
3349 if (sh_bank
== 0x3FF)
3350 sh_bank
= 0xFFFFFFFF;
3351 if (instance_bank
== 0x3FF)
3352 instance_bank
= 0xFFFFFFFF;
3358 *pos
&= (1UL << 22) - 1;
3361 if ((sh_bank
!= 0xFFFFFFFF && sh_bank
>= adev
->gfx
.config
.max_sh_per_se
) ||
3362 (se_bank
!= 0xFFFFFFFF && se_bank
>= adev
->gfx
.config
.max_shader_engines
))
3364 mutex_lock(&adev
->grbm_idx_mutex
);
3365 amdgpu_gfx_select_se_sh(adev
, se_bank
,
3366 sh_bank
, instance_bank
);
3370 mutex_lock(&adev
->pm
.mutex
);
3375 if (*pos
> adev
->rmmio_size
)
3378 r
= get_user(value
, (uint32_t *)buf
);
3382 WREG32(*pos
>> 2, value
);
3391 amdgpu_gfx_select_se_sh(adev
, 0xffffffff, 0xffffffff, 0xffffffff);
3392 mutex_unlock(&adev
->grbm_idx_mutex
);
3396 mutex_unlock(&adev
->pm
.mutex
);
3401 static ssize_t
amdgpu_debugfs_regs_pcie_read(struct file
*f
, char __user
*buf
,
3402 size_t size
, loff_t
*pos
)
3404 struct amdgpu_device
*adev
= file_inode(f
)->i_private
;
3408 if (size
& 0x3 || *pos
& 0x3)
3414 value
= RREG32_PCIE(*pos
>> 2);
3415 r
= put_user(value
, (uint32_t *)buf
);
3428 static ssize_t
amdgpu_debugfs_regs_pcie_write(struct file
*f
, const char __user
*buf
,
3429 size_t size
, loff_t
*pos
)
3431 struct amdgpu_device
*adev
= file_inode(f
)->i_private
;
3435 if (size
& 0x3 || *pos
& 0x3)
3441 r
= get_user(value
, (uint32_t *)buf
);
3445 WREG32_PCIE(*pos
>> 2, value
);
3456 static ssize_t
amdgpu_debugfs_regs_didt_read(struct file
*f
, char __user
*buf
,
3457 size_t size
, loff_t
*pos
)
3459 struct amdgpu_device
*adev
= file_inode(f
)->i_private
;
3463 if (size
& 0x3 || *pos
& 0x3)
3469 value
= RREG32_DIDT(*pos
>> 2);
3470 r
= put_user(value
, (uint32_t *)buf
);
3483 static ssize_t
amdgpu_debugfs_regs_didt_write(struct file
*f
, const char __user
*buf
,
3484 size_t size
, loff_t
*pos
)
3486 struct amdgpu_device
*adev
= file_inode(f
)->i_private
;
3490 if (size
& 0x3 || *pos
& 0x3)
3496 r
= get_user(value
, (uint32_t *)buf
);
3500 WREG32_DIDT(*pos
>> 2, value
);
3511 static ssize_t
amdgpu_debugfs_regs_smc_read(struct file
*f
, char __user
*buf
,
3512 size_t size
, loff_t
*pos
)
3514 struct amdgpu_device
*adev
= file_inode(f
)->i_private
;
3518 if (size
& 0x3 || *pos
& 0x3)
3524 value
= RREG32_SMC(*pos
);
3525 r
= put_user(value
, (uint32_t *)buf
);
3538 static ssize_t
amdgpu_debugfs_regs_smc_write(struct file
*f
, const char __user
*buf
,
3539 size_t size
, loff_t
*pos
)
3541 struct amdgpu_device
*adev
= file_inode(f
)->i_private
;
3545 if (size
& 0x3 || *pos
& 0x3)
3551 r
= get_user(value
, (uint32_t *)buf
);
3555 WREG32_SMC(*pos
, value
);
3566 static ssize_t
amdgpu_debugfs_gca_config_read(struct file
*f
, char __user
*buf
,
3567 size_t size
, loff_t
*pos
)
3569 struct amdgpu_device
*adev
= file_inode(f
)->i_private
;
3572 uint32_t *config
, no_regs
= 0;
3574 if (size
& 0x3 || *pos
& 0x3)
3577 config
= kmalloc_array(256, sizeof(*config
), GFP_KERNEL
);
3581 /* version, increment each time something is added */
3582 config
[no_regs
++] = 3;
3583 config
[no_regs
++] = adev
->gfx
.config
.max_shader_engines
;
3584 config
[no_regs
++] = adev
->gfx
.config
.max_tile_pipes
;
3585 config
[no_regs
++] = adev
->gfx
.config
.max_cu_per_sh
;
3586 config
[no_regs
++] = adev
->gfx
.config
.max_sh_per_se
;
3587 config
[no_regs
++] = adev
->gfx
.config
.max_backends_per_se
;
3588 config
[no_regs
++] = adev
->gfx
.config
.max_texture_channel_caches
;
3589 config
[no_regs
++] = adev
->gfx
.config
.max_gprs
;
3590 config
[no_regs
++] = adev
->gfx
.config
.max_gs_threads
;
3591 config
[no_regs
++] = adev
->gfx
.config
.max_hw_contexts
;
3592 config
[no_regs
++] = adev
->gfx
.config
.sc_prim_fifo_size_frontend
;
3593 config
[no_regs
++] = adev
->gfx
.config
.sc_prim_fifo_size_backend
;
3594 config
[no_regs
++] = adev
->gfx
.config
.sc_hiz_tile_fifo_size
;
3595 config
[no_regs
++] = adev
->gfx
.config
.sc_earlyz_tile_fifo_size
;
3596 config
[no_regs
++] = adev
->gfx
.config
.num_tile_pipes
;
3597 config
[no_regs
++] = adev
->gfx
.config
.backend_enable_mask
;
3598 config
[no_regs
++] = adev
->gfx
.config
.mem_max_burst_length_bytes
;
3599 config
[no_regs
++] = adev
->gfx
.config
.mem_row_size_in_kb
;
3600 config
[no_regs
++] = adev
->gfx
.config
.shader_engine_tile_size
;
3601 config
[no_regs
++] = adev
->gfx
.config
.num_gpus
;
3602 config
[no_regs
++] = adev
->gfx
.config
.multi_gpu_tile_size
;
3603 config
[no_regs
++] = adev
->gfx
.config
.mc_arb_ramcfg
;
3604 config
[no_regs
++] = adev
->gfx
.config
.gb_addr_config
;
3605 config
[no_regs
++] = adev
->gfx
.config
.num_rbs
;
3608 config
[no_regs
++] = adev
->rev_id
;
3609 config
[no_regs
++] = adev
->pg_flags
;
3610 config
[no_regs
++] = adev
->cg_flags
;
3613 config
[no_regs
++] = adev
->family
;
3614 config
[no_regs
++] = adev
->external_rev_id
;
3617 config
[no_regs
++] = adev
->pdev
->device
;
3618 config
[no_regs
++] = adev
->pdev
->revision
;
3619 config
[no_regs
++] = adev
->pdev
->subsystem_device
;
3620 config
[no_regs
++] = adev
->pdev
->subsystem_vendor
;
3622 while (size
&& (*pos
< no_regs
* 4)) {
3625 value
= config
[*pos
>> 2];
3626 r
= put_user(value
, (uint32_t *)buf
);
3642 static ssize_t
amdgpu_debugfs_sensor_read(struct file
*f
, char __user
*buf
,
3643 size_t size
, loff_t
*pos
)
3645 struct amdgpu_device
*adev
= file_inode(f
)->i_private
;
3646 int idx
, x
, outsize
, r
, valuesize
;
3647 uint32_t values
[16];
3649 if (size
& 3 || *pos
& 0x3)
3652 if (amdgpu_dpm
== 0)
3655 /* convert offset to sensor number */
3658 valuesize
= sizeof(values
);
3659 if (adev
->powerplay
.pp_funcs
&& adev
->powerplay
.pp_funcs
->read_sensor
)
3660 r
= amdgpu_dpm_read_sensor(adev
, idx
, &values
[0], &valuesize
);
3664 if (size
> valuesize
)
3671 r
= put_user(values
[x
++], (int32_t *)buf
);
3678 return !r
? outsize
: r
;
3681 static ssize_t
amdgpu_debugfs_wave_read(struct file
*f
, char __user
*buf
,
3682 size_t size
, loff_t
*pos
)
3684 struct amdgpu_device
*adev
= f
->f_inode
->i_private
;
3687 uint32_t offset
, se
, sh
, cu
, wave
, simd
, data
[32];
3689 if (size
& 3 || *pos
& 3)
3693 offset
= (*pos
& GENMASK_ULL(6, 0));
3694 se
= (*pos
& GENMASK_ULL(14, 7)) >> 7;
3695 sh
= (*pos
& GENMASK_ULL(22, 15)) >> 15;
3696 cu
= (*pos
& GENMASK_ULL(30, 23)) >> 23;
3697 wave
= (*pos
& GENMASK_ULL(36, 31)) >> 31;
3698 simd
= (*pos
& GENMASK_ULL(44, 37)) >> 37;
3700 /* switch to the specific se/sh/cu */
3701 mutex_lock(&adev
->grbm_idx_mutex
);
3702 amdgpu_gfx_select_se_sh(adev
, se
, sh
, cu
);
3705 if (adev
->gfx
.funcs
->read_wave_data
)
3706 adev
->gfx
.funcs
->read_wave_data(adev
, simd
, wave
, data
, &x
);
3708 amdgpu_gfx_select_se_sh(adev
, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF);
3709 mutex_unlock(&adev
->grbm_idx_mutex
);
3714 while (size
&& (offset
< x
* 4)) {
3717 value
= data
[offset
>> 2];
3718 r
= put_user(value
, (uint32_t *)buf
);
3731 static ssize_t
amdgpu_debugfs_gpr_read(struct file
*f
, char __user
*buf
,
3732 size_t size
, loff_t
*pos
)
3734 struct amdgpu_device
*adev
= f
->f_inode
->i_private
;
3737 uint32_t offset
, se
, sh
, cu
, wave
, simd
, thread
, bank
, *data
;
3739 if (size
& 3 || *pos
& 3)
3743 offset
= *pos
& GENMASK_ULL(11, 0);
3744 se
= (*pos
& GENMASK_ULL(19, 12)) >> 12;
3745 sh
= (*pos
& GENMASK_ULL(27, 20)) >> 20;
3746 cu
= (*pos
& GENMASK_ULL(35, 28)) >> 28;
3747 wave
= (*pos
& GENMASK_ULL(43, 36)) >> 36;
3748 simd
= (*pos
& GENMASK_ULL(51, 44)) >> 44;
3749 thread
= (*pos
& GENMASK_ULL(59, 52)) >> 52;
3750 bank
= (*pos
& GENMASK_ULL(61, 60)) >> 60;
3752 data
= kmalloc_array(1024, sizeof(*data
), GFP_KERNEL
);
3756 /* switch to the specific se/sh/cu */
3757 mutex_lock(&adev
->grbm_idx_mutex
);
3758 amdgpu_gfx_select_se_sh(adev
, se
, sh
, cu
);
3761 if (adev
->gfx
.funcs
->read_wave_vgprs
)
3762 adev
->gfx
.funcs
->read_wave_vgprs(adev
, simd
, wave
, thread
, offset
, size
>>2, data
);
3764 if (adev
->gfx
.funcs
->read_wave_sgprs
)
3765 adev
->gfx
.funcs
->read_wave_sgprs(adev
, simd
, wave
, offset
, size
>>2, data
);
3768 amdgpu_gfx_select_se_sh(adev
, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF);
3769 mutex_unlock(&adev
->grbm_idx_mutex
);
3774 value
= data
[offset
++];
3775 r
= put_user(value
, (uint32_t *)buf
);
3791 static const struct file_operations amdgpu_debugfs_regs_fops
= {
3792 .owner
= THIS_MODULE
,
3793 .read
= amdgpu_debugfs_regs_read
,
3794 .write
= amdgpu_debugfs_regs_write
,
3795 .llseek
= default_llseek
3797 static const struct file_operations amdgpu_debugfs_regs_didt_fops
= {
3798 .owner
= THIS_MODULE
,
3799 .read
= amdgpu_debugfs_regs_didt_read
,
3800 .write
= amdgpu_debugfs_regs_didt_write
,
3801 .llseek
= default_llseek
3803 static const struct file_operations amdgpu_debugfs_regs_pcie_fops
= {
3804 .owner
= THIS_MODULE
,
3805 .read
= amdgpu_debugfs_regs_pcie_read
,
3806 .write
= amdgpu_debugfs_regs_pcie_write
,
3807 .llseek
= default_llseek
3809 static const struct file_operations amdgpu_debugfs_regs_smc_fops
= {
3810 .owner
= THIS_MODULE
,
3811 .read
= amdgpu_debugfs_regs_smc_read
,
3812 .write
= amdgpu_debugfs_regs_smc_write
,
3813 .llseek
= default_llseek
3816 static const struct file_operations amdgpu_debugfs_gca_config_fops
= {
3817 .owner
= THIS_MODULE
,
3818 .read
= amdgpu_debugfs_gca_config_read
,
3819 .llseek
= default_llseek
3822 static const struct file_operations amdgpu_debugfs_sensors_fops
= {
3823 .owner
= THIS_MODULE
,
3824 .read
= amdgpu_debugfs_sensor_read
,
3825 .llseek
= default_llseek
3828 static const struct file_operations amdgpu_debugfs_wave_fops
= {
3829 .owner
= THIS_MODULE
,
3830 .read
= amdgpu_debugfs_wave_read
,
3831 .llseek
= default_llseek
3833 static const struct file_operations amdgpu_debugfs_gpr_fops
= {
3834 .owner
= THIS_MODULE
,
3835 .read
= amdgpu_debugfs_gpr_read
,
3836 .llseek
= default_llseek
3839 static const struct file_operations
*debugfs_regs
[] = {
3840 &amdgpu_debugfs_regs_fops
,
3841 &amdgpu_debugfs_regs_didt_fops
,
3842 &amdgpu_debugfs_regs_pcie_fops
,
3843 &amdgpu_debugfs_regs_smc_fops
,
3844 &amdgpu_debugfs_gca_config_fops
,
3845 &amdgpu_debugfs_sensors_fops
,
3846 &amdgpu_debugfs_wave_fops
,
3847 &amdgpu_debugfs_gpr_fops
,
3850 static const char *debugfs_regs_names
[] = {
3855 "amdgpu_gca_config",
3861 static int amdgpu_debugfs_regs_init(struct amdgpu_device
*adev
)
3863 struct drm_minor
*minor
= adev
->ddev
->primary
;
3864 struct dentry
*ent
, *root
= minor
->debugfs_root
;
3867 for (i
= 0; i
< ARRAY_SIZE(debugfs_regs
); i
++) {
3868 ent
= debugfs_create_file(debugfs_regs_names
[i
],
3869 S_IFREG
| S_IRUGO
, root
,
3870 adev
, debugfs_regs
[i
]);
3872 for (j
= 0; j
< i
; j
++) {
3873 debugfs_remove(adev
->debugfs_regs
[i
]);
3874 adev
->debugfs_regs
[i
] = NULL
;
3876 return PTR_ERR(ent
);
3880 i_size_write(ent
->d_inode
, adev
->rmmio_size
);
3881 adev
->debugfs_regs
[i
] = ent
;
3887 static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device
*adev
)
3891 for (i
= 0; i
< ARRAY_SIZE(debugfs_regs
); i
++) {
3892 if (adev
->debugfs_regs
[i
]) {
3893 debugfs_remove(adev
->debugfs_regs
[i
]);
3894 adev
->debugfs_regs
[i
] = NULL
;
3899 static int amdgpu_debugfs_test_ib(struct seq_file
*m
, void *data
)
3901 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
3902 struct drm_device
*dev
= node
->minor
->dev
;
3903 struct amdgpu_device
*adev
= dev
->dev_private
;
3906 /* hold on the scheduler */
3907 for (i
= 0; i
< AMDGPU_MAX_RINGS
; i
++) {
3908 struct amdgpu_ring
*ring
= adev
->rings
[i
];
3910 if (!ring
|| !ring
->sched
.thread
)
3912 kthread_park(ring
->sched
.thread
);
3915 seq_printf(m
, "run ib test:\n");
3916 r
= amdgpu_ib_ring_tests(adev
);
3918 seq_printf(m
, "ib ring tests failed (%d).\n", r
);
3920 seq_printf(m
, "ib ring tests passed.\n");
3922 /* go on the scheduler */
3923 for (i
= 0; i
< AMDGPU_MAX_RINGS
; i
++) {
3924 struct amdgpu_ring
*ring
= adev
->rings
[i
];
3926 if (!ring
|| !ring
->sched
.thread
)
3928 kthread_unpark(ring
->sched
.thread
);
3934 static const struct drm_info_list amdgpu_debugfs_test_ib_ring_list
[] = {
3935 {"amdgpu_test_ib", &amdgpu_debugfs_test_ib
}
3938 static int amdgpu_debugfs_test_ib_ring_init(struct amdgpu_device
*adev
)
3940 return amdgpu_debugfs_add_files(adev
,
3941 amdgpu_debugfs_test_ib_ring_list
, 1);
3944 int amdgpu_debugfs_init(struct drm_minor
*minor
)
3949 static int amdgpu_debugfs_get_vbios_dump(struct seq_file
*m
, void *data
)
3951 struct drm_info_node
*node
= (struct drm_info_node
*) m
->private;
3952 struct drm_device
*dev
= node
->minor
->dev
;
3953 struct amdgpu_device
*adev
= dev
->dev_private
;
3955 seq_write(m
, adev
->bios
, adev
->bios_size
);
3959 static const struct drm_info_list amdgpu_vbios_dump_list
[] = {
3961 amdgpu_debugfs_get_vbios_dump
,
3965 static int amdgpu_debugfs_vbios_dump_init(struct amdgpu_device
*adev
)
3967 return amdgpu_debugfs_add_files(adev
,
3968 amdgpu_vbios_dump_list
, 1);
3971 static int amdgpu_debugfs_test_ib_ring_init(struct amdgpu_device
*adev
)
3975 static int amdgpu_debugfs_regs_init(struct amdgpu_device
*adev
)
3979 static int amdgpu_debugfs_vbios_dump_init(struct amdgpu_device
*adev
)
3983 static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device
*adev
) { }