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.
26 #include <linux/kthread.h>
28 #include <linux/debugfs.h>
32 * amdgpu_debugfs_add_files - Add simple debugfs entries
34 * @adev: Device to attach debugfs entries to
35 * @files: Array of function callbacks that respond to reads
36 * @nfiles: Number of callbacks to register
39 int amdgpu_debugfs_add_files(struct amdgpu_device *adev,
40 const struct drm_info_list *files,
45 for (i = 0; i < adev->debugfs_count; i++) {
46 if (adev->debugfs[i].files == files) {
47 /* Already registered */
52 i = adev->debugfs_count + 1;
53 if (i > AMDGPU_DEBUGFS_MAX_COMPONENTS) {
54 DRM_ERROR("Reached maximum number of debugfs components.\n");
55 DRM_ERROR("Report so we increase "
56 "AMDGPU_DEBUGFS_MAX_COMPONENTS.\n");
59 adev->debugfs[adev->debugfs_count].files = files;
60 adev->debugfs[adev->debugfs_count].num_files = nfiles;
61 adev->debugfs_count = i;
62 #if defined(CONFIG_DEBUG_FS)
63 drm_debugfs_create_files(files, nfiles,
64 adev->ddev->primary->debugfs_root,
70 #if defined(CONFIG_DEBUG_FS)
73 * amdgpu_debugfs_process_reg_op - Handle MMIO register reads/writes
75 * @read: True if reading
76 * @f: open file handle
77 * @buf: User buffer to write/read to
78 * @size: Number of bytes to write/read
79 * @pos: Offset to seek to
81 * This debugfs entry has special meaning on the offset being sought.
82 * Various bits have different meanings:
84 * Bit 62: Indicates a GRBM bank switch is needed
85 * Bit 61: Indicates a SRBM bank switch is needed (implies bit 62 is
87 * Bits 24..33: The SE or ME selector if needed
88 * Bits 34..43: The SH (or SA) or PIPE selector if needed
89 * Bits 44..53: The INSTANCE (or CU/WGP) or QUEUE selector if needed
91 * Bit 23: Indicates that the PM power gating lock should be held
92 * This is necessary to read registers that might be
93 * unreliable during a power gating transistion.
95 * The lower bits are the BYTE offset of the register to read. This
96 * allows reading multiple registers in a single call and having
97 * the returned size reflect that.
99 static int amdgpu_debugfs_process_reg_op(bool read, struct file *f,
100 char __user *buf, size_t size, loff_t *pos)
102 struct amdgpu_device *adev = file_inode(f)->i_private;
105 bool pm_pg_lock, use_bank, use_ring;
106 unsigned instance_bank, sh_bank, se_bank, me, pipe, queue;
108 pm_pg_lock = use_bank = use_ring = false;
109 instance_bank = sh_bank = se_bank = me = pipe = queue = 0;
111 if (size & 0x3 || *pos & 0x3 ||
112 ((*pos & (1ULL << 62)) && (*pos & (1ULL << 61))))
115 /* are we reading registers for which a PG lock is necessary? */
116 pm_pg_lock = (*pos >> 23) & 1;
118 if (*pos & (1ULL << 62)) {
119 se_bank = (*pos & GENMASK_ULL(33, 24)) >> 24;
120 sh_bank = (*pos & GENMASK_ULL(43, 34)) >> 34;
121 instance_bank = (*pos & GENMASK_ULL(53, 44)) >> 44;
123 if (se_bank == 0x3FF)
124 se_bank = 0xFFFFFFFF;
125 if (sh_bank == 0x3FF)
126 sh_bank = 0xFFFFFFFF;
127 if (instance_bank == 0x3FF)
128 instance_bank = 0xFFFFFFFF;
130 } else if (*pos & (1ULL << 61)) {
132 me = (*pos & GENMASK_ULL(33, 24)) >> 24;
133 pipe = (*pos & GENMASK_ULL(43, 34)) >> 34;
134 queue = (*pos & GENMASK_ULL(53, 44)) >> 44;
138 use_bank = use_ring = 0;
141 *pos &= (1UL << 22) - 1;
144 if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) ||
145 (se_bank != 0xFFFFFFFF && se_bank >= adev->gfx.config.max_shader_engines))
147 mutex_lock(&adev->grbm_idx_mutex);
148 amdgpu_gfx_select_se_sh(adev, se_bank,
149 sh_bank, instance_bank);
150 } else if (use_ring) {
151 mutex_lock(&adev->srbm_mutex);
152 amdgpu_gfx_select_me_pipe_q(adev, me, pipe, queue);
156 mutex_lock(&adev->pm.mutex);
161 if (*pos > adev->rmmio_size)
165 value = RREG32(*pos >> 2);
166 r = put_user(value, (uint32_t *)buf);
168 r = get_user(value, (uint32_t *)buf);
170 WREG32(*pos >> 2, value);
185 amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
186 mutex_unlock(&adev->grbm_idx_mutex);
187 } else if (use_ring) {
188 amdgpu_gfx_select_me_pipe_q(adev, 0, 0, 0);
189 mutex_unlock(&adev->srbm_mutex);
193 mutex_unlock(&adev->pm.mutex);
199 * amdgpu_debugfs_regs_read - Callback for reading MMIO registers
201 static ssize_t amdgpu_debugfs_regs_read(struct file *f, char __user *buf,
202 size_t size, loff_t *pos)
204 return amdgpu_debugfs_process_reg_op(true, f, buf, size, pos);
208 * amdgpu_debugfs_regs_write - Callback for writing MMIO registers
210 static ssize_t amdgpu_debugfs_regs_write(struct file *f, const char __user *buf,
211 size_t size, loff_t *pos)
213 return amdgpu_debugfs_process_reg_op(false, f, (char __user *)buf, size, pos);
218 * amdgpu_debugfs_regs_pcie_read - Read from a PCIE register
220 * @f: open file handle
221 * @buf: User buffer to store read data in
222 * @size: Number of bytes to read
223 * @pos: Offset to seek to
225 * The lower bits are the BYTE offset of the register to read. This
226 * allows reading multiple registers in a single call and having
227 * the returned size reflect that.
229 static ssize_t amdgpu_debugfs_regs_pcie_read(struct file *f, char __user *buf,
230 size_t size, loff_t *pos)
232 struct amdgpu_device *adev = file_inode(f)->i_private;
236 if (size & 0x3 || *pos & 0x3)
242 value = RREG32_PCIE(*pos);
243 r = put_user(value, (uint32_t *)buf);
257 * amdgpu_debugfs_regs_pcie_write - Write to a PCIE register
259 * @f: open file handle
260 * @buf: User buffer to write data from
261 * @size: Number of bytes to write
262 * @pos: Offset to seek to
264 * The lower bits are the BYTE offset of the register to write. This
265 * allows writing multiple registers in a single call and having
266 * the returned size reflect that.
268 static ssize_t amdgpu_debugfs_regs_pcie_write(struct file *f, const char __user *buf,
269 size_t size, loff_t *pos)
271 struct amdgpu_device *adev = file_inode(f)->i_private;
275 if (size & 0x3 || *pos & 0x3)
281 r = get_user(value, (uint32_t *)buf);
285 WREG32_PCIE(*pos, value);
297 * amdgpu_debugfs_regs_didt_read - Read from a DIDT register
299 * @f: open file handle
300 * @buf: User buffer to store read data in
301 * @size: Number of bytes to read
302 * @pos: Offset to seek to
304 * The lower bits are the BYTE offset of the register to read. This
305 * allows reading multiple registers in a single call and having
306 * the returned size reflect that.
308 static ssize_t amdgpu_debugfs_regs_didt_read(struct file *f, char __user *buf,
309 size_t size, loff_t *pos)
311 struct amdgpu_device *adev = file_inode(f)->i_private;
315 if (size & 0x3 || *pos & 0x3)
321 value = RREG32_DIDT(*pos >> 2);
322 r = put_user(value, (uint32_t *)buf);
336 * amdgpu_debugfs_regs_didt_write - Write to a DIDT register
338 * @f: open file handle
339 * @buf: User buffer to write data from
340 * @size: Number of bytes to write
341 * @pos: Offset to seek to
343 * The lower bits are the BYTE offset of the register to write. This
344 * allows writing multiple registers in a single call and having
345 * the returned size reflect that.
347 static ssize_t amdgpu_debugfs_regs_didt_write(struct file *f, const char __user *buf,
348 size_t size, loff_t *pos)
350 struct amdgpu_device *adev = file_inode(f)->i_private;
354 if (size & 0x3 || *pos & 0x3)
360 r = get_user(value, (uint32_t *)buf);
364 WREG32_DIDT(*pos >> 2, value);
376 * amdgpu_debugfs_regs_smc_read - Read from a SMC register
378 * @f: open file handle
379 * @buf: User buffer to store read data in
380 * @size: Number of bytes to read
381 * @pos: Offset to seek to
383 * The lower bits are the BYTE offset of the register to read. This
384 * allows reading multiple registers in a single call and having
385 * the returned size reflect that.
387 static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf,
388 size_t size, loff_t *pos)
390 struct amdgpu_device *adev = file_inode(f)->i_private;
397 if (size & 0x3 || *pos & 0x3)
403 value = RREG32_SMC(*pos);
404 r = put_user(value, (uint32_t *)buf);
418 * amdgpu_debugfs_regs_smc_write - Write to a SMC register
420 * @f: open file handle
421 * @buf: User buffer to write data from
422 * @size: Number of bytes to write
423 * @pos: Offset to seek to
425 * The lower bits are the BYTE offset of the register to write. This
426 * allows writing multiple registers in a single call and having
427 * the returned size reflect that.
429 static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user *buf,
430 size_t size, loff_t *pos)
432 struct amdgpu_device *adev = file_inode(f)->i_private;
439 if (size & 0x3 || *pos & 0x3)
445 r = get_user(value, (uint32_t *)buf);
449 WREG32_SMC(*pos, value);
461 * amdgpu_debugfs_gca_config_read - Read from gfx config data
463 * @f: open file handle
464 * @buf: User buffer to store read data in
465 * @size: Number of bytes to read
466 * @pos: Offset to seek to
468 * This file is used to access configuration data in a somewhat
469 * stable fashion. The format is a series of DWORDs with the first
470 * indicating which revision it is. New content is appended to the
471 * end so that older software can still read the data.
474 static ssize_t amdgpu_debugfs_gca_config_read(struct file *f, char __user *buf,
475 size_t size, loff_t *pos)
477 struct amdgpu_device *adev = file_inode(f)->i_private;
480 uint32_t *config, no_regs = 0;
482 if (size & 0x3 || *pos & 0x3)
485 config = kmalloc_array(256, sizeof(*config), GFP_KERNEL);
489 /* version, increment each time something is added */
490 config[no_regs++] = 3;
491 config[no_regs++] = adev->gfx.config.max_shader_engines;
492 config[no_regs++] = adev->gfx.config.max_tile_pipes;
493 config[no_regs++] = adev->gfx.config.max_cu_per_sh;
494 config[no_regs++] = adev->gfx.config.max_sh_per_se;
495 config[no_regs++] = adev->gfx.config.max_backends_per_se;
496 config[no_regs++] = adev->gfx.config.max_texture_channel_caches;
497 config[no_regs++] = adev->gfx.config.max_gprs;
498 config[no_regs++] = adev->gfx.config.max_gs_threads;
499 config[no_regs++] = adev->gfx.config.max_hw_contexts;
500 config[no_regs++] = adev->gfx.config.sc_prim_fifo_size_frontend;
501 config[no_regs++] = adev->gfx.config.sc_prim_fifo_size_backend;
502 config[no_regs++] = adev->gfx.config.sc_hiz_tile_fifo_size;
503 config[no_regs++] = adev->gfx.config.sc_earlyz_tile_fifo_size;
504 config[no_regs++] = adev->gfx.config.num_tile_pipes;
505 config[no_regs++] = adev->gfx.config.backend_enable_mask;
506 config[no_regs++] = adev->gfx.config.mem_max_burst_length_bytes;
507 config[no_regs++] = adev->gfx.config.mem_row_size_in_kb;
508 config[no_regs++] = adev->gfx.config.shader_engine_tile_size;
509 config[no_regs++] = adev->gfx.config.num_gpus;
510 config[no_regs++] = adev->gfx.config.multi_gpu_tile_size;
511 config[no_regs++] = adev->gfx.config.mc_arb_ramcfg;
512 config[no_regs++] = adev->gfx.config.gb_addr_config;
513 config[no_regs++] = adev->gfx.config.num_rbs;
516 config[no_regs++] = adev->rev_id;
517 config[no_regs++] = adev->pg_flags;
518 config[no_regs++] = adev->cg_flags;
521 config[no_regs++] = adev->family;
522 config[no_regs++] = adev->external_rev_id;
525 config[no_regs++] = adev->pdev->device;
526 config[no_regs++] = adev->pdev->revision;
527 config[no_regs++] = adev->pdev->subsystem_device;
528 config[no_regs++] = adev->pdev->subsystem_vendor;
530 while (size && (*pos < no_regs * 4)) {
533 value = config[*pos >> 2];
534 r = put_user(value, (uint32_t *)buf);
551 * amdgpu_debugfs_sensor_read - Read from the powerplay sensors
553 * @f: open file handle
554 * @buf: User buffer to store read data in
555 * @size: Number of bytes to read
556 * @pos: Offset to seek to
558 * The offset is treated as the BYTE address of one of the sensors
559 * enumerated in amd/include/kgd_pp_interface.h under the
560 * 'amd_pp_sensors' enumeration. For instance to read the UVD VCLK
561 * you would use the offset 3 * 4 = 12.
563 static ssize_t amdgpu_debugfs_sensor_read(struct file *f, char __user *buf,
564 size_t size, loff_t *pos)
566 struct amdgpu_device *adev = file_inode(f)->i_private;
567 int idx, x, outsize, r, valuesize;
570 if (size & 3 || *pos & 0x3)
573 if (!adev->pm.dpm_enabled)
576 /* convert offset to sensor number */
579 valuesize = sizeof(values);
580 if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->read_sensor)
581 r = amdgpu_dpm_read_sensor(adev, idx, &values[0], &valuesize);
585 if (size > valuesize)
592 r = put_user(values[x++], (int32_t *)buf);
599 return !r ? outsize : r;
602 /** amdgpu_debugfs_wave_read - Read WAVE STATUS data
604 * @f: open file handle
605 * @buf: User buffer to store read data in
606 * @size: Number of bytes to read
607 * @pos: Offset to seek to
609 * The offset being sought changes which wave that the status data
610 * will be returned for. The bits are used as follows:
612 * Bits 0..6: Byte offset into data
613 * Bits 7..14: SE selector
614 * Bits 15..22: SH/SA selector
615 * Bits 23..30: CU/{WGP+SIMD} selector
616 * Bits 31..36: WAVE ID selector
617 * Bits 37..44: SIMD ID selector
619 * The returned data begins with one DWORD of version information
620 * Followed by WAVE STATUS registers relevant to the GFX IP version
621 * being used. See gfx_v8_0_read_wave_data() for an example output.
623 static ssize_t amdgpu_debugfs_wave_read(struct file *f, char __user *buf,
624 size_t size, loff_t *pos)
626 struct amdgpu_device *adev = f->f_inode->i_private;
629 uint32_t offset, se, sh, cu, wave, simd, data[32];
631 if (size & 3 || *pos & 3)
635 offset = (*pos & GENMASK_ULL(6, 0));
636 se = (*pos & GENMASK_ULL(14, 7)) >> 7;
637 sh = (*pos & GENMASK_ULL(22, 15)) >> 15;
638 cu = (*pos & GENMASK_ULL(30, 23)) >> 23;
639 wave = (*pos & GENMASK_ULL(36, 31)) >> 31;
640 simd = (*pos & GENMASK_ULL(44, 37)) >> 37;
642 /* switch to the specific se/sh/cu */
643 mutex_lock(&adev->grbm_idx_mutex);
644 amdgpu_gfx_select_se_sh(adev, se, sh, cu);
647 if (adev->gfx.funcs->read_wave_data)
648 adev->gfx.funcs->read_wave_data(adev, simd, wave, data, &x);
650 amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF);
651 mutex_unlock(&adev->grbm_idx_mutex);
656 while (size && (offset < x * 4)) {
659 value = data[offset >> 2];
660 r = put_user(value, (uint32_t *)buf);
673 /** amdgpu_debugfs_gpr_read - Read wave gprs
675 * @f: open file handle
676 * @buf: User buffer to store read data in
677 * @size: Number of bytes to read
678 * @pos: Offset to seek to
680 * The offset being sought changes which wave that the status data
681 * will be returned for. The bits are used as follows:
683 * Bits 0..11: Byte offset into data
684 * Bits 12..19: SE selector
685 * Bits 20..27: SH/SA selector
686 * Bits 28..35: CU/{WGP+SIMD} selector
687 * Bits 36..43: WAVE ID selector
688 * Bits 37..44: SIMD ID selector
689 * Bits 52..59: Thread selector
690 * Bits 60..61: Bank selector (VGPR=0,SGPR=1)
692 * The return data comes from the SGPR or VGPR register bank for
693 * the selected operational unit.
695 static ssize_t amdgpu_debugfs_gpr_read(struct file *f, char __user *buf,
696 size_t size, loff_t *pos)
698 struct amdgpu_device *adev = f->f_inode->i_private;
701 uint32_t offset, se, sh, cu, wave, simd, thread, bank, *data;
703 if (size > 4096 || size & 3 || *pos & 3)
707 offset = (*pos & GENMASK_ULL(11, 0)) >> 2;
708 se = (*pos & GENMASK_ULL(19, 12)) >> 12;
709 sh = (*pos & GENMASK_ULL(27, 20)) >> 20;
710 cu = (*pos & GENMASK_ULL(35, 28)) >> 28;
711 wave = (*pos & GENMASK_ULL(43, 36)) >> 36;
712 simd = (*pos & GENMASK_ULL(51, 44)) >> 44;
713 thread = (*pos & GENMASK_ULL(59, 52)) >> 52;
714 bank = (*pos & GENMASK_ULL(61, 60)) >> 60;
716 data = kcalloc(1024, sizeof(*data), GFP_KERNEL);
720 /* switch to the specific se/sh/cu */
721 mutex_lock(&adev->grbm_idx_mutex);
722 amdgpu_gfx_select_se_sh(adev, se, sh, cu);
725 if (adev->gfx.funcs->read_wave_vgprs)
726 adev->gfx.funcs->read_wave_vgprs(adev, simd, wave, thread, offset, size>>2, data);
728 if (adev->gfx.funcs->read_wave_sgprs)
729 adev->gfx.funcs->read_wave_sgprs(adev, simd, wave, offset, size>>2, data);
732 amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF);
733 mutex_unlock(&adev->grbm_idx_mutex);
738 value = data[result >> 2];
739 r = put_user(value, (uint32_t *)buf);
755 static const struct file_operations amdgpu_debugfs_regs_fops = {
756 .owner = THIS_MODULE,
757 .read = amdgpu_debugfs_regs_read,
758 .write = amdgpu_debugfs_regs_write,
759 .llseek = default_llseek
761 static const struct file_operations amdgpu_debugfs_regs_didt_fops = {
762 .owner = THIS_MODULE,
763 .read = amdgpu_debugfs_regs_didt_read,
764 .write = amdgpu_debugfs_regs_didt_write,
765 .llseek = default_llseek
767 static const struct file_operations amdgpu_debugfs_regs_pcie_fops = {
768 .owner = THIS_MODULE,
769 .read = amdgpu_debugfs_regs_pcie_read,
770 .write = amdgpu_debugfs_regs_pcie_write,
771 .llseek = default_llseek
773 static const struct file_operations amdgpu_debugfs_regs_smc_fops = {
774 .owner = THIS_MODULE,
775 .read = amdgpu_debugfs_regs_smc_read,
776 .write = amdgpu_debugfs_regs_smc_write,
777 .llseek = default_llseek
780 static const struct file_operations amdgpu_debugfs_gca_config_fops = {
781 .owner = THIS_MODULE,
782 .read = amdgpu_debugfs_gca_config_read,
783 .llseek = default_llseek
786 static const struct file_operations amdgpu_debugfs_sensors_fops = {
787 .owner = THIS_MODULE,
788 .read = amdgpu_debugfs_sensor_read,
789 .llseek = default_llseek
792 static const struct file_operations amdgpu_debugfs_wave_fops = {
793 .owner = THIS_MODULE,
794 .read = amdgpu_debugfs_wave_read,
795 .llseek = default_llseek
797 static const struct file_operations amdgpu_debugfs_gpr_fops = {
798 .owner = THIS_MODULE,
799 .read = amdgpu_debugfs_gpr_read,
800 .llseek = default_llseek
803 static const struct file_operations *debugfs_regs[] = {
804 &amdgpu_debugfs_regs_fops,
805 &amdgpu_debugfs_regs_didt_fops,
806 &amdgpu_debugfs_regs_pcie_fops,
807 &amdgpu_debugfs_regs_smc_fops,
808 &amdgpu_debugfs_gca_config_fops,
809 &amdgpu_debugfs_sensors_fops,
810 &amdgpu_debugfs_wave_fops,
811 &amdgpu_debugfs_gpr_fops,
814 static const char *debugfs_regs_names[] = {
826 * amdgpu_debugfs_regs_init - Initialize debugfs entries that provide
829 * @adev: The device to attach the debugfs entries to
831 int amdgpu_debugfs_regs_init(struct amdgpu_device *adev)
833 struct drm_minor *minor = adev->ddev->primary;
834 struct dentry *ent, *root = minor->debugfs_root;
837 for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) {
838 ent = debugfs_create_file(debugfs_regs_names[i],
839 S_IFREG | S_IRUGO, root,
840 adev, debugfs_regs[i]);
842 for (j = 0; j < i; j++) {
843 debugfs_remove(adev->debugfs_regs[i]);
844 adev->debugfs_regs[i] = NULL;
850 i_size_write(ent->d_inode, adev->rmmio_size);
851 adev->debugfs_regs[i] = ent;
857 void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev)
861 for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) {
862 if (adev->debugfs_regs[i]) {
863 debugfs_remove(adev->debugfs_regs[i]);
864 adev->debugfs_regs[i] = NULL;
869 static int amdgpu_debugfs_test_ib(struct seq_file *m, void *data)
871 struct drm_info_node *node = (struct drm_info_node *) m->private;
872 struct drm_device *dev = node->minor->dev;
873 struct amdgpu_device *adev = dev->dev_private;
876 /* hold on the scheduler */
877 for (i = 0; i < AMDGPU_MAX_RINGS; i++) {
878 struct amdgpu_ring *ring = adev->rings[i];
880 if (!ring || !ring->sched.thread)
882 kthread_park(ring->sched.thread);
885 seq_printf(m, "run ib test:\n");
886 r = amdgpu_ib_ring_tests(adev);
888 seq_printf(m, "ib ring tests failed (%d).\n", r);
890 seq_printf(m, "ib ring tests passed.\n");
892 /* go on the scheduler */
893 for (i = 0; i < AMDGPU_MAX_RINGS; i++) {
894 struct amdgpu_ring *ring = adev->rings[i];
896 if (!ring || !ring->sched.thread)
898 kthread_unpark(ring->sched.thread);
904 static int amdgpu_debugfs_get_vbios_dump(struct seq_file *m, void *data)
906 struct drm_info_node *node = (struct drm_info_node *) m->private;
907 struct drm_device *dev = node->minor->dev;
908 struct amdgpu_device *adev = dev->dev_private;
910 seq_write(m, adev->bios, adev->bios_size);
914 static int amdgpu_debugfs_evict_vram(struct seq_file *m, void *data)
916 struct drm_info_node *node = (struct drm_info_node *)m->private;
917 struct drm_device *dev = node->minor->dev;
918 struct amdgpu_device *adev = dev->dev_private;
920 seq_printf(m, "(%d)\n", amdgpu_bo_evict_vram(adev));
924 static int amdgpu_debugfs_evict_gtt(struct seq_file *m, void *data)
926 struct drm_info_node *node = (struct drm_info_node *)m->private;
927 struct drm_device *dev = node->minor->dev;
928 struct amdgpu_device *adev = dev->dev_private;
930 seq_printf(m, "(%d)\n", ttm_bo_evict_mm(&adev->mman.bdev, TTM_PL_TT));
934 static const struct drm_info_list amdgpu_debugfs_list[] = {
935 {"amdgpu_vbios", amdgpu_debugfs_get_vbios_dump},
936 {"amdgpu_test_ib", &amdgpu_debugfs_test_ib},
937 {"amdgpu_evict_vram", &amdgpu_debugfs_evict_vram},
938 {"amdgpu_evict_gtt", &amdgpu_debugfs_evict_gtt},
941 int amdgpu_debugfs_init(struct amdgpu_device *adev)
943 return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_list,
944 ARRAY_SIZE(amdgpu_debugfs_list));
948 int amdgpu_debugfs_init(struct amdgpu_device *adev)
952 int amdgpu_debugfs_regs_init(struct amdgpu_device *adev)
956 void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev) { }