diff --git a/drivers/gpu/drm/amd/amdgpu/Makefile b/drivers/gpu/drm/amd/amdgpu/Makefile index f778a3b4abe6..d8da12c114b1 100644 --- a/drivers/gpu/drm/amd/amdgpu/Makefile +++ b/drivers/gpu/drm/amd/amdgpu/Makefile @@ -52,7 +52,7 @@ amdgpu-y += amdgpu_device.o amdgpu_kms.o \ amdgpu_prime.o amdgpu_vm.o amdgpu_ib.o amdgpu_pll.o \ amdgpu_ucode.o amdgpu_bo_list.o amdgpu_ctx.o amdgpu_sync.o \ amdgpu_gtt_mgr.o amdgpu_vram_mgr.o amdgpu_virt.o amdgpu_atomfirmware.o \ - amdgpu_queue_mgr.o amdgpu_vf_error.o amdgpu_sched.o + amdgpu_queue_mgr.o amdgpu_vf_error.o amdgpu_sched.o amdgpu_debugfs.o # add asic specific block amdgpu-$(CONFIG_DRM_AMDGPU_CIK)+= cik.o cik_ih.o kv_smc.o kv_dpm.o \ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h index 169c71d48d49..c15b9441190f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h @@ -71,7 +71,7 @@ #include "amdgpu_dm.h" #include "amdgpu_virt.h" #include "amdgpu_gart.h" - +#include "amdgpu_debugfs.h" /* * Modules parameters. @@ -425,7 +425,6 @@ struct reservation_object *amdgpu_gem_prime_res_obj(struct drm_gem_object *); void *amdgpu_gem_prime_vmap(struct drm_gem_object *obj); void amdgpu_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); int amdgpu_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma); -int amdgpu_gem_debugfs_init(struct amdgpu_device *adev); /* sub-allocation manager, it has to be protected by another lock. * By conception this is an helper for other part of the driver @@ -1240,19 +1239,6 @@ void amdgpu_benchmark(struct amdgpu_device *adev, int test_number); */ void amdgpu_test_moves(struct amdgpu_device *adev); -/* - * Debugfs - */ -struct amdgpu_debugfs { - const struct drm_info_list *files; - unsigned num_files; -}; - -int amdgpu_debugfs_add_files(struct amdgpu_device *adev, - const struct drm_info_list *files, - unsigned nfiles); -int amdgpu_debugfs_fence_init(struct amdgpu_device *adev); -int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev); /* * amdgpu smumgr functions diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c new file mode 100644 index 000000000000..ee76b468774a --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -0,0 +1,792 @@ +/* + * Copyright 2008 Advanced Micro Devices, Inc. + * Copyright 2008 Red Hat Inc. + * Copyright 2009 Jerome Glisse. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +#include +#include +#include +#include "amdgpu.h" + +/* + * Debugfs + */ +int amdgpu_debugfs_add_files(struct amdgpu_device *adev, + const struct drm_info_list *files, + unsigned nfiles) +{ + unsigned i; + + for (i = 0; i < adev->debugfs_count; i++) { + if (adev->debugfs[i].files == files) { + /* Already registered */ + return 0; + } + } + + i = adev->debugfs_count + 1; + if (i > AMDGPU_DEBUGFS_MAX_COMPONENTS) { + DRM_ERROR("Reached maximum number of debugfs components.\n"); + DRM_ERROR("Report so we increase " + "AMDGPU_DEBUGFS_MAX_COMPONENTS.\n"); + return -EINVAL; + } + adev->debugfs[adev->debugfs_count].files = files; + adev->debugfs[adev->debugfs_count].num_files = nfiles; + adev->debugfs_count = i; +#if defined(CONFIG_DEBUG_FS) + drm_debugfs_create_files(files, nfiles, + adev->ddev->primary->debugfs_root, + adev->ddev->primary); +#endif + return 0; +} + +#if defined(CONFIG_DEBUG_FS) + +static ssize_t amdgpu_debugfs_regs_read(struct file *f, char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_device *adev = file_inode(f)->i_private; + ssize_t result = 0; + int r; + bool pm_pg_lock, use_bank; + unsigned instance_bank, sh_bank, se_bank; + + if (size & 0x3 || *pos & 0x3) + return -EINVAL; + + /* are we reading registers for which a PG lock is necessary? */ + pm_pg_lock = (*pos >> 23) & 1; + + if (*pos & (1ULL << 62)) { + se_bank = (*pos & GENMASK_ULL(33, 24)) >> 24; + sh_bank = (*pos & GENMASK_ULL(43, 34)) >> 34; + instance_bank = (*pos & GENMASK_ULL(53, 44)) >> 44; + + if (se_bank == 0x3FF) + se_bank = 0xFFFFFFFF; + if (sh_bank == 0x3FF) + sh_bank = 0xFFFFFFFF; + if (instance_bank == 0x3FF) + instance_bank = 0xFFFFFFFF; + use_bank = 1; + } else { + use_bank = 0; + } + + *pos &= (1UL << 22) - 1; + + if (use_bank) { + if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) || + (se_bank != 0xFFFFFFFF && se_bank >= adev->gfx.config.max_shader_engines)) + return -EINVAL; + mutex_lock(&adev->grbm_idx_mutex); + amdgpu_gfx_select_se_sh(adev, se_bank, + sh_bank, instance_bank); + } + + if (pm_pg_lock) + mutex_lock(&adev->pm.mutex); + + while (size) { + uint32_t value; + + if (*pos > adev->rmmio_size) + goto end; + + value = RREG32(*pos >> 2); + r = put_user(value, (uint32_t *)buf); + if (r) { + result = r; + goto end; + } + + result += 4; + buf += 4; + *pos += 4; + size -= 4; + } + +end: + if (use_bank) { + amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); + mutex_unlock(&adev->grbm_idx_mutex); + } + + if (pm_pg_lock) + mutex_unlock(&adev->pm.mutex); + + return result; +} + +static ssize_t amdgpu_debugfs_regs_write(struct file *f, const char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_device *adev = file_inode(f)->i_private; + ssize_t result = 0; + int r; + bool pm_pg_lock, use_bank; + unsigned instance_bank, sh_bank, se_bank; + + if (size & 0x3 || *pos & 0x3) + return -EINVAL; + + /* are we reading registers for which a PG lock is necessary? */ + pm_pg_lock = (*pos >> 23) & 1; + + if (*pos & (1ULL << 62)) { + se_bank = (*pos & GENMASK_ULL(33, 24)) >> 24; + sh_bank = (*pos & GENMASK_ULL(43, 34)) >> 34; + instance_bank = (*pos & GENMASK_ULL(53, 44)) >> 44; + + if (se_bank == 0x3FF) + se_bank = 0xFFFFFFFF; + if (sh_bank == 0x3FF) + sh_bank = 0xFFFFFFFF; + if (instance_bank == 0x3FF) + instance_bank = 0xFFFFFFFF; + use_bank = 1; + } else { + use_bank = 0; + } + + *pos &= (1UL << 22) - 1; + + if (use_bank) { + if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) || + (se_bank != 0xFFFFFFFF && se_bank >= adev->gfx.config.max_shader_engines)) + return -EINVAL; + mutex_lock(&adev->grbm_idx_mutex); + amdgpu_gfx_select_se_sh(adev, se_bank, + sh_bank, instance_bank); + } + + if (pm_pg_lock) + mutex_lock(&adev->pm.mutex); + + while (size) { + uint32_t value; + + if (*pos > adev->rmmio_size) + return result; + + r = get_user(value, (uint32_t *)buf); + if (r) + return r; + + WREG32(*pos >> 2, value); + + result += 4; + buf += 4; + *pos += 4; + size -= 4; + } + + if (use_bank) { + amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); + mutex_unlock(&adev->grbm_idx_mutex); + } + + if (pm_pg_lock) + mutex_unlock(&adev->pm.mutex); + + return result; +} + +static ssize_t amdgpu_debugfs_regs_pcie_read(struct file *f, char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_device *adev = file_inode(f)->i_private; + ssize_t result = 0; + int r; + + if (size & 0x3 || *pos & 0x3) + return -EINVAL; + + while (size) { + uint32_t value; + + value = RREG32_PCIE(*pos >> 2); + r = put_user(value, (uint32_t *)buf); + if (r) + return r; + + result += 4; + buf += 4; + *pos += 4; + size -= 4; + } + + return result; +} + +static ssize_t amdgpu_debugfs_regs_pcie_write(struct file *f, const char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_device *adev = file_inode(f)->i_private; + ssize_t result = 0; + int r; + + if (size & 0x3 || *pos & 0x3) + return -EINVAL; + + while (size) { + uint32_t value; + + r = get_user(value, (uint32_t *)buf); + if (r) + return r; + + WREG32_PCIE(*pos >> 2, value); + + result += 4; + buf += 4; + *pos += 4; + size -= 4; + } + + return result; +} + +static ssize_t amdgpu_debugfs_regs_didt_read(struct file *f, char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_device *adev = file_inode(f)->i_private; + ssize_t result = 0; + int r; + + if (size & 0x3 || *pos & 0x3) + return -EINVAL; + + while (size) { + uint32_t value; + + value = RREG32_DIDT(*pos >> 2); + r = put_user(value, (uint32_t *)buf); + if (r) + return r; + + result += 4; + buf += 4; + *pos += 4; + size -= 4; + } + + return result; +} + +static ssize_t amdgpu_debugfs_regs_didt_write(struct file *f, const char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_device *adev = file_inode(f)->i_private; + ssize_t result = 0; + int r; + + if (size & 0x3 || *pos & 0x3) + return -EINVAL; + + while (size) { + uint32_t value; + + r = get_user(value, (uint32_t *)buf); + if (r) + return r; + + WREG32_DIDT(*pos >> 2, value); + + result += 4; + buf += 4; + *pos += 4; + size -= 4; + } + + return result; +} + +static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_device *adev = file_inode(f)->i_private; + ssize_t result = 0; + int r; + + if (size & 0x3 || *pos & 0x3) + return -EINVAL; + + while (size) { + uint32_t value; + + value = RREG32_SMC(*pos); + r = put_user(value, (uint32_t *)buf); + if (r) + return r; + + result += 4; + buf += 4; + *pos += 4; + size -= 4; + } + + return result; +} + +static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_device *adev = file_inode(f)->i_private; + ssize_t result = 0; + int r; + + if (size & 0x3 || *pos & 0x3) + return -EINVAL; + + while (size) { + uint32_t value; + + r = get_user(value, (uint32_t *)buf); + if (r) + return r; + + WREG32_SMC(*pos, value); + + result += 4; + buf += 4; + *pos += 4; + size -= 4; + } + + return result; +} + +static ssize_t amdgpu_debugfs_gca_config_read(struct file *f, char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_device *adev = file_inode(f)->i_private; + ssize_t result = 0; + int r; + uint32_t *config, no_regs = 0; + + if (size & 0x3 || *pos & 0x3) + return -EINVAL; + + config = kmalloc_array(256, sizeof(*config), GFP_KERNEL); + if (!config) + return -ENOMEM; + + /* version, increment each time something is added */ + config[no_regs++] = 3; + config[no_regs++] = adev->gfx.config.max_shader_engines; + config[no_regs++] = adev->gfx.config.max_tile_pipes; + config[no_regs++] = adev->gfx.config.max_cu_per_sh; + config[no_regs++] = adev->gfx.config.max_sh_per_se; + config[no_regs++] = adev->gfx.config.max_backends_per_se; + config[no_regs++] = adev->gfx.config.max_texture_channel_caches; + config[no_regs++] = adev->gfx.config.max_gprs; + config[no_regs++] = adev->gfx.config.max_gs_threads; + config[no_regs++] = adev->gfx.config.max_hw_contexts; + config[no_regs++] = adev->gfx.config.sc_prim_fifo_size_frontend; + config[no_regs++] = adev->gfx.config.sc_prim_fifo_size_backend; + config[no_regs++] = adev->gfx.config.sc_hiz_tile_fifo_size; + config[no_regs++] = adev->gfx.config.sc_earlyz_tile_fifo_size; + config[no_regs++] = adev->gfx.config.num_tile_pipes; + config[no_regs++] = adev->gfx.config.backend_enable_mask; + config[no_regs++] = adev->gfx.config.mem_max_burst_length_bytes; + config[no_regs++] = adev->gfx.config.mem_row_size_in_kb; + config[no_regs++] = adev->gfx.config.shader_engine_tile_size; + config[no_regs++] = adev->gfx.config.num_gpus; + config[no_regs++] = adev->gfx.config.multi_gpu_tile_size; + config[no_regs++] = adev->gfx.config.mc_arb_ramcfg; + config[no_regs++] = adev->gfx.config.gb_addr_config; + config[no_regs++] = adev->gfx.config.num_rbs; + + /* rev==1 */ + config[no_regs++] = adev->rev_id; + config[no_regs++] = adev->pg_flags; + config[no_regs++] = adev->cg_flags; + + /* rev==2 */ + config[no_regs++] = adev->family; + config[no_regs++] = adev->external_rev_id; + + /* rev==3 */ + config[no_regs++] = adev->pdev->device; + config[no_regs++] = adev->pdev->revision; + config[no_regs++] = adev->pdev->subsystem_device; + config[no_regs++] = adev->pdev->subsystem_vendor; + + while (size && (*pos < no_regs * 4)) { + uint32_t value; + + value = config[*pos >> 2]; + r = put_user(value, (uint32_t *)buf); + if (r) { + kfree(config); + return r; + } + + result += 4; + buf += 4; + *pos += 4; + size -= 4; + } + + kfree(config); + return result; +} + +static ssize_t amdgpu_debugfs_sensor_read(struct file *f, char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_device *adev = file_inode(f)->i_private; + int idx, x, outsize, r, valuesize; + uint32_t values[16]; + + if (size & 3 || *pos & 0x3) + return -EINVAL; + + if (amdgpu_dpm == 0) + return -EINVAL; + + /* convert offset to sensor number */ + idx = *pos >> 2; + + valuesize = sizeof(values); + if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->read_sensor) + r = amdgpu_dpm_read_sensor(adev, idx, &values[0], &valuesize); + else + return -EINVAL; + + if (size > valuesize) + return -EINVAL; + + outsize = 0; + x = 0; + if (!r) { + while (size) { + r = put_user(values[x++], (int32_t *)buf); + buf += 4; + size -= 4; + outsize += 4; + } + } + + return !r ? outsize : r; +} + +static ssize_t amdgpu_debugfs_wave_read(struct file *f, char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_device *adev = f->f_inode->i_private; + int r, x; + ssize_t result=0; + uint32_t offset, se, sh, cu, wave, simd, data[32]; + + if (size & 3 || *pos & 3) + return -EINVAL; + + /* decode offset */ + offset = (*pos & GENMASK_ULL(6, 0)); + se = (*pos & GENMASK_ULL(14, 7)) >> 7; + sh = (*pos & GENMASK_ULL(22, 15)) >> 15; + cu = (*pos & GENMASK_ULL(30, 23)) >> 23; + wave = (*pos & GENMASK_ULL(36, 31)) >> 31; + simd = (*pos & GENMASK_ULL(44, 37)) >> 37; + + /* switch to the specific se/sh/cu */ + mutex_lock(&adev->grbm_idx_mutex); + amdgpu_gfx_select_se_sh(adev, se, sh, cu); + + x = 0; + if (adev->gfx.funcs->read_wave_data) + adev->gfx.funcs->read_wave_data(adev, simd, wave, data, &x); + + amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF); + mutex_unlock(&adev->grbm_idx_mutex); + + if (!x) + return -EINVAL; + + while (size && (offset < x * 4)) { + uint32_t value; + + value = data[offset >> 2]; + r = put_user(value, (uint32_t *)buf); + if (r) + return r; + + result += 4; + buf += 4; + offset += 4; + size -= 4; + } + + return result; +} + +static ssize_t amdgpu_debugfs_gpr_read(struct file *f, char __user *buf, + size_t size, loff_t *pos) +{ + struct amdgpu_device *adev = f->f_inode->i_private; + int r; + ssize_t result = 0; + uint32_t offset, se, sh, cu, wave, simd, thread, bank, *data; + + if (size & 3 || *pos & 3) + return -EINVAL; + + /* decode offset */ + offset = *pos & GENMASK_ULL(11, 0); + se = (*pos & GENMASK_ULL(19, 12)) >> 12; + sh = (*pos & GENMASK_ULL(27, 20)) >> 20; + cu = (*pos & GENMASK_ULL(35, 28)) >> 28; + wave = (*pos & GENMASK_ULL(43, 36)) >> 36; + simd = (*pos & GENMASK_ULL(51, 44)) >> 44; + thread = (*pos & GENMASK_ULL(59, 52)) >> 52; + bank = (*pos & GENMASK_ULL(61, 60)) >> 60; + + data = kmalloc_array(1024, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + /* switch to the specific se/sh/cu */ + mutex_lock(&adev->grbm_idx_mutex); + amdgpu_gfx_select_se_sh(adev, se, sh, cu); + + if (bank == 0) { + if (adev->gfx.funcs->read_wave_vgprs) + adev->gfx.funcs->read_wave_vgprs(adev, simd, wave, thread, offset, size>>2, data); + } else { + if (adev->gfx.funcs->read_wave_sgprs) + adev->gfx.funcs->read_wave_sgprs(adev, simd, wave, offset, size>>2, data); + } + + amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF); + mutex_unlock(&adev->grbm_idx_mutex); + + while (size) { + uint32_t value; + + value = data[offset++]; + r = put_user(value, (uint32_t *)buf); + if (r) { + result = r; + goto err; + } + + result += 4; + buf += 4; + size -= 4; + } + +err: + kfree(data); + return result; +} + +static const struct file_operations amdgpu_debugfs_regs_fops = { + .owner = THIS_MODULE, + .read = amdgpu_debugfs_regs_read, + .write = amdgpu_debugfs_regs_write, + .llseek = default_llseek +}; +static const struct file_operations amdgpu_debugfs_regs_didt_fops = { + .owner = THIS_MODULE, + .read = amdgpu_debugfs_regs_didt_read, + .write = amdgpu_debugfs_regs_didt_write, + .llseek = default_llseek +}; +static const struct file_operations amdgpu_debugfs_regs_pcie_fops = { + .owner = THIS_MODULE, + .read = amdgpu_debugfs_regs_pcie_read, + .write = amdgpu_debugfs_regs_pcie_write, + .llseek = default_llseek +}; +static const struct file_operations amdgpu_debugfs_regs_smc_fops = { + .owner = THIS_MODULE, + .read = amdgpu_debugfs_regs_smc_read, + .write = amdgpu_debugfs_regs_smc_write, + .llseek = default_llseek +}; + +static const struct file_operations amdgpu_debugfs_gca_config_fops = { + .owner = THIS_MODULE, + .read = amdgpu_debugfs_gca_config_read, + .llseek = default_llseek +}; + +static const struct file_operations amdgpu_debugfs_sensors_fops = { + .owner = THIS_MODULE, + .read = amdgpu_debugfs_sensor_read, + .llseek = default_llseek +}; + +static const struct file_operations amdgpu_debugfs_wave_fops = { + .owner = THIS_MODULE, + .read = amdgpu_debugfs_wave_read, + .llseek = default_llseek +}; +static const struct file_operations amdgpu_debugfs_gpr_fops = { + .owner = THIS_MODULE, + .read = amdgpu_debugfs_gpr_read, + .llseek = default_llseek +}; + +static const struct file_operations *debugfs_regs[] = { + &amdgpu_debugfs_regs_fops, + &amdgpu_debugfs_regs_didt_fops, + &amdgpu_debugfs_regs_pcie_fops, + &amdgpu_debugfs_regs_smc_fops, + &amdgpu_debugfs_gca_config_fops, + &amdgpu_debugfs_sensors_fops, + &amdgpu_debugfs_wave_fops, + &amdgpu_debugfs_gpr_fops, +}; + +static const char *debugfs_regs_names[] = { + "amdgpu_regs", + "amdgpu_regs_didt", + "amdgpu_regs_pcie", + "amdgpu_regs_smc", + "amdgpu_gca_config", + "amdgpu_sensors", + "amdgpu_wave", + "amdgpu_gpr", +}; + +int amdgpu_debugfs_regs_init(struct amdgpu_device *adev) +{ + struct drm_minor *minor = adev->ddev->primary; + struct dentry *ent, *root = minor->debugfs_root; + unsigned i, j; + + for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) { + ent = debugfs_create_file(debugfs_regs_names[i], + S_IFREG | S_IRUGO, root, + adev, debugfs_regs[i]); + if (IS_ERR(ent)) { + for (j = 0; j < i; j++) { + debugfs_remove(adev->debugfs_regs[i]); + adev->debugfs_regs[i] = NULL; + } + return PTR_ERR(ent); + } + + if (!i) + i_size_write(ent->d_inode, adev->rmmio_size); + adev->debugfs_regs[i] = ent; + } + + return 0; +} + +void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev) +{ + unsigned i; + + for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) { + if (adev->debugfs_regs[i]) { + debugfs_remove(adev->debugfs_regs[i]); + adev->debugfs_regs[i] = NULL; + } + } +} + +static int amdgpu_debugfs_test_ib(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + struct amdgpu_device *adev = dev->dev_private; + int r = 0, i; + + /* hold on the scheduler */ + for (i = 0; i < AMDGPU_MAX_RINGS; i++) { + struct amdgpu_ring *ring = adev->rings[i]; + + if (!ring || !ring->sched.thread) + continue; + kthread_park(ring->sched.thread); + } + + seq_printf(m, "run ib test:\n"); + r = amdgpu_ib_ring_tests(adev); + if (r) + seq_printf(m, "ib ring tests failed (%d).\n", r); + else + seq_printf(m, "ib ring tests passed.\n"); + + /* go on the scheduler */ + for (i = 0; i < AMDGPU_MAX_RINGS; i++) { + struct amdgpu_ring *ring = adev->rings[i]; + + if (!ring || !ring->sched.thread) + continue; + kthread_unpark(ring->sched.thread); + } + + return 0; +} + +static int amdgpu_debugfs_get_vbios_dump(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + struct amdgpu_device *adev = dev->dev_private; + + seq_write(m, adev->bios, adev->bios_size); + return 0; +} + +static int amdgpu_debugfs_evict_vram(struct seq_file *m, void *data) +{ + struct drm_info_node *node = (struct drm_info_node *)m->private; + struct drm_device *dev = node->minor->dev; + struct amdgpu_device *adev = dev->dev_private; + + seq_printf(m, "(%d)\n", amdgpu_bo_evict_vram(adev)); + return 0; +} + +static const struct drm_info_list amdgpu_debugfs_list[] = { + {"amdgpu_vbios", amdgpu_debugfs_get_vbios_dump}, + {"amdgpu_test_ib", &amdgpu_debugfs_test_ib}, + {"amdgpu_evict_vram", &amdgpu_debugfs_evict_vram} +}; + +int amdgpu_debugfs_init(struct amdgpu_device *adev) +{ + return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_list, + ARRAY_SIZE(amdgpu_debugfs_list)); +} + +#else +int amdgpu_debugfs_init(struct amdgpu_device *adev) +{ + return 0; +} +int amdgpu_debugfs_regs_init(struct amdgpu_device *adev) +{ + return 0; +} +void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev) { } +#endif diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.h new file mode 100644 index 000000000000..8260d8073c26 --- /dev/null +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.h @@ -0,0 +1,42 @@ +/* + * Copyright 2008 Advanced Micro Devices, Inc. + * Copyright 2008 Red Hat Inc. + * Copyright 2009 Jerome Glisse. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + */ + +/* + * Debugfs + */ +struct amdgpu_debugfs { + const struct drm_info_list *files; + unsigned num_files; +}; + +int amdgpu_debugfs_regs_init(struct amdgpu_device *adev); +void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev); +int amdgpu_debugfs_init(struct amdgpu_device *adev); +int amdgpu_debugfs_add_files(struct amdgpu_device *adev, + const struct drm_info_list *files, + unsigned nfiles); +int amdgpu_debugfs_fence_init(struct amdgpu_device *adev); +int amdgpu_debugfs_firmware_init(struct amdgpu_device *adev); +int amdgpu_debugfs_gem_init(struct amdgpu_device *adev); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 3beea322bc12..ec078a9a5de8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -28,7 +28,6 @@ #include #include #include -#include #include #include #include @@ -64,10 +63,6 @@ MODULE_FIRMWARE("amdgpu/raven_gpu_info.bin"); #define AMDGPU_RESUME_MS 2000 -static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev); -static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev); -static int amdgpu_debugfs_init(struct amdgpu_device *adev); - static const char *amdgpu_asic_name[] = { "TAHITI", "PITCAIRN", @@ -2171,7 +2166,7 @@ int amdgpu_device_init(struct amdgpu_device *adev, if (r) DRM_ERROR("registering pm debugfs failed (%d).\n", r); - r = amdgpu_gem_debugfs_init(adev); + r = amdgpu_debugfs_gem_init(adev); if (r) DRM_ERROR("registering gem debugfs failed (%d).\n", r); @@ -3020,765 +3015,3 @@ void amdgpu_get_pcie_info(struct amdgpu_device *adev) } } -/* - * Debugfs - */ -int amdgpu_debugfs_add_files(struct amdgpu_device *adev, - const struct drm_info_list *files, - unsigned nfiles) -{ - unsigned i; - - for (i = 0; i < adev->debugfs_count; i++) { - if (adev->debugfs[i].files == files) { - /* Already registered */ - return 0; - } - } - - i = adev->debugfs_count + 1; - if (i > AMDGPU_DEBUGFS_MAX_COMPONENTS) { - DRM_ERROR("Reached maximum number of debugfs components.\n"); - DRM_ERROR("Report so we increase " - "AMDGPU_DEBUGFS_MAX_COMPONENTS.\n"); - return -EINVAL; - } - adev->debugfs[adev->debugfs_count].files = files; - adev->debugfs[adev->debugfs_count].num_files = nfiles; - adev->debugfs_count = i; -#if defined(CONFIG_DEBUG_FS) - drm_debugfs_create_files(files, nfiles, - adev->ddev->primary->debugfs_root, - adev->ddev->primary); -#endif - return 0; -} - -#if defined(CONFIG_DEBUG_FS) - -static ssize_t amdgpu_debugfs_regs_read(struct file *f, char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = file_inode(f)->i_private; - ssize_t result = 0; - int r; - bool pm_pg_lock, use_bank; - unsigned instance_bank, sh_bank, se_bank; - - if (size & 0x3 || *pos & 0x3) - return -EINVAL; - - /* are we reading registers for which a PG lock is necessary? */ - pm_pg_lock = (*pos >> 23) & 1; - - if (*pos & (1ULL << 62)) { - se_bank = (*pos & GENMASK_ULL(33, 24)) >> 24; - sh_bank = (*pos & GENMASK_ULL(43, 34)) >> 34; - instance_bank = (*pos & GENMASK_ULL(53, 44)) >> 44; - - if (se_bank == 0x3FF) - se_bank = 0xFFFFFFFF; - if (sh_bank == 0x3FF) - sh_bank = 0xFFFFFFFF; - if (instance_bank == 0x3FF) - instance_bank = 0xFFFFFFFF; - use_bank = 1; - } else { - use_bank = 0; - } - - *pos &= (1UL << 22) - 1; - - if (use_bank) { - if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) || - (se_bank != 0xFFFFFFFF && se_bank >= adev->gfx.config.max_shader_engines)) - return -EINVAL; - mutex_lock(&adev->grbm_idx_mutex); - amdgpu_gfx_select_se_sh(adev, se_bank, - sh_bank, instance_bank); - } - - if (pm_pg_lock) - mutex_lock(&adev->pm.mutex); - - while (size) { - uint32_t value; - - if (*pos > adev->rmmio_size) - goto end; - - value = RREG32(*pos >> 2); - r = put_user(value, (uint32_t *)buf); - if (r) { - result = r; - goto end; - } - - result += 4; - buf += 4; - *pos += 4; - size -= 4; - } - -end: - if (use_bank) { - amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); - mutex_unlock(&adev->grbm_idx_mutex); - } - - if (pm_pg_lock) - mutex_unlock(&adev->pm.mutex); - - return result; -} - -static ssize_t amdgpu_debugfs_regs_write(struct file *f, const char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = file_inode(f)->i_private; - ssize_t result = 0; - int r; - bool pm_pg_lock, use_bank; - unsigned instance_bank, sh_bank, se_bank; - - if (size & 0x3 || *pos & 0x3) - return -EINVAL; - - /* are we reading registers for which a PG lock is necessary? */ - pm_pg_lock = (*pos >> 23) & 1; - - if (*pos & (1ULL << 62)) { - se_bank = (*pos & GENMASK_ULL(33, 24)) >> 24; - sh_bank = (*pos & GENMASK_ULL(43, 34)) >> 34; - instance_bank = (*pos & GENMASK_ULL(53, 44)) >> 44; - - if (se_bank == 0x3FF) - se_bank = 0xFFFFFFFF; - if (sh_bank == 0x3FF) - sh_bank = 0xFFFFFFFF; - if (instance_bank == 0x3FF) - instance_bank = 0xFFFFFFFF; - use_bank = 1; - } else { - use_bank = 0; - } - - *pos &= (1UL << 22) - 1; - - if (use_bank) { - if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) || - (se_bank != 0xFFFFFFFF && se_bank >= adev->gfx.config.max_shader_engines)) - return -EINVAL; - mutex_lock(&adev->grbm_idx_mutex); - amdgpu_gfx_select_se_sh(adev, se_bank, - sh_bank, instance_bank); - } - - if (pm_pg_lock) - mutex_lock(&adev->pm.mutex); - - while (size) { - uint32_t value; - - if (*pos > adev->rmmio_size) - return result; - - r = get_user(value, (uint32_t *)buf); - if (r) - return r; - - WREG32(*pos >> 2, value); - - result += 4; - buf += 4; - *pos += 4; - size -= 4; - } - - if (use_bank) { - amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); - mutex_unlock(&adev->grbm_idx_mutex); - } - - if (pm_pg_lock) - mutex_unlock(&adev->pm.mutex); - - return result; -} - -static ssize_t amdgpu_debugfs_regs_pcie_read(struct file *f, char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = file_inode(f)->i_private; - ssize_t result = 0; - int r; - - if (size & 0x3 || *pos & 0x3) - return -EINVAL; - - while (size) { - uint32_t value; - - value = RREG32_PCIE(*pos >> 2); - r = put_user(value, (uint32_t *)buf); - if (r) - return r; - - result += 4; - buf += 4; - *pos += 4; - size -= 4; - } - - return result; -} - -static ssize_t amdgpu_debugfs_regs_pcie_write(struct file *f, const char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = file_inode(f)->i_private; - ssize_t result = 0; - int r; - - if (size & 0x3 || *pos & 0x3) - return -EINVAL; - - while (size) { - uint32_t value; - - r = get_user(value, (uint32_t *)buf); - if (r) - return r; - - WREG32_PCIE(*pos >> 2, value); - - result += 4; - buf += 4; - *pos += 4; - size -= 4; - } - - return result; -} - -static ssize_t amdgpu_debugfs_regs_didt_read(struct file *f, char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = file_inode(f)->i_private; - ssize_t result = 0; - int r; - - if (size & 0x3 || *pos & 0x3) - return -EINVAL; - - while (size) { - uint32_t value; - - value = RREG32_DIDT(*pos >> 2); - r = put_user(value, (uint32_t *)buf); - if (r) - return r; - - result += 4; - buf += 4; - *pos += 4; - size -= 4; - } - - return result; -} - -static ssize_t amdgpu_debugfs_regs_didt_write(struct file *f, const char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = file_inode(f)->i_private; - ssize_t result = 0; - int r; - - if (size & 0x3 || *pos & 0x3) - return -EINVAL; - - while (size) { - uint32_t value; - - r = get_user(value, (uint32_t *)buf); - if (r) - return r; - - WREG32_DIDT(*pos >> 2, value); - - result += 4; - buf += 4; - *pos += 4; - size -= 4; - } - - return result; -} - -static ssize_t amdgpu_debugfs_regs_smc_read(struct file *f, char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = file_inode(f)->i_private; - ssize_t result = 0; - int r; - - if (size & 0x3 || *pos & 0x3) - return -EINVAL; - - while (size) { - uint32_t value; - - value = RREG32_SMC(*pos); - r = put_user(value, (uint32_t *)buf); - if (r) - return r; - - result += 4; - buf += 4; - *pos += 4; - size -= 4; - } - - return result; -} - -static ssize_t amdgpu_debugfs_regs_smc_write(struct file *f, const char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = file_inode(f)->i_private; - ssize_t result = 0; - int r; - - if (size & 0x3 || *pos & 0x3) - return -EINVAL; - - while (size) { - uint32_t value; - - r = get_user(value, (uint32_t *)buf); - if (r) - return r; - - WREG32_SMC(*pos, value); - - result += 4; - buf += 4; - *pos += 4; - size -= 4; - } - - return result; -} - -static ssize_t amdgpu_debugfs_gca_config_read(struct file *f, char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = file_inode(f)->i_private; - ssize_t result = 0; - int r; - uint32_t *config, no_regs = 0; - - if (size & 0x3 || *pos & 0x3) - return -EINVAL; - - config = kmalloc_array(256, sizeof(*config), GFP_KERNEL); - if (!config) - return -ENOMEM; - - /* version, increment each time something is added */ - config[no_regs++] = 3; - config[no_regs++] = adev->gfx.config.max_shader_engines; - config[no_regs++] = adev->gfx.config.max_tile_pipes; - config[no_regs++] = adev->gfx.config.max_cu_per_sh; - config[no_regs++] = adev->gfx.config.max_sh_per_se; - config[no_regs++] = adev->gfx.config.max_backends_per_se; - config[no_regs++] = adev->gfx.config.max_texture_channel_caches; - config[no_regs++] = adev->gfx.config.max_gprs; - config[no_regs++] = adev->gfx.config.max_gs_threads; - config[no_regs++] = adev->gfx.config.max_hw_contexts; - config[no_regs++] = adev->gfx.config.sc_prim_fifo_size_frontend; - config[no_regs++] = adev->gfx.config.sc_prim_fifo_size_backend; - config[no_regs++] = adev->gfx.config.sc_hiz_tile_fifo_size; - config[no_regs++] = adev->gfx.config.sc_earlyz_tile_fifo_size; - config[no_regs++] = adev->gfx.config.num_tile_pipes; - config[no_regs++] = adev->gfx.config.backend_enable_mask; - config[no_regs++] = adev->gfx.config.mem_max_burst_length_bytes; - config[no_regs++] = adev->gfx.config.mem_row_size_in_kb; - config[no_regs++] = adev->gfx.config.shader_engine_tile_size; - config[no_regs++] = adev->gfx.config.num_gpus; - config[no_regs++] = adev->gfx.config.multi_gpu_tile_size; - config[no_regs++] = adev->gfx.config.mc_arb_ramcfg; - config[no_regs++] = adev->gfx.config.gb_addr_config; - config[no_regs++] = adev->gfx.config.num_rbs; - - /* rev==1 */ - config[no_regs++] = adev->rev_id; - config[no_regs++] = adev->pg_flags; - config[no_regs++] = adev->cg_flags; - - /* rev==2 */ - config[no_regs++] = adev->family; - config[no_regs++] = adev->external_rev_id; - - /* rev==3 */ - config[no_regs++] = adev->pdev->device; - config[no_regs++] = adev->pdev->revision; - config[no_regs++] = adev->pdev->subsystem_device; - config[no_regs++] = adev->pdev->subsystem_vendor; - - while (size && (*pos < no_regs * 4)) { - uint32_t value; - - value = config[*pos >> 2]; - r = put_user(value, (uint32_t *)buf); - if (r) { - kfree(config); - return r; - } - - result += 4; - buf += 4; - *pos += 4; - size -= 4; - } - - kfree(config); - return result; -} - -static ssize_t amdgpu_debugfs_sensor_read(struct file *f, char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = file_inode(f)->i_private; - int idx, x, outsize, r, valuesize; - uint32_t values[16]; - - if (size & 3 || *pos & 0x3) - return -EINVAL; - - if (amdgpu_dpm == 0) - return -EINVAL; - - /* convert offset to sensor number */ - idx = *pos >> 2; - - valuesize = sizeof(values); - if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->read_sensor) - r = amdgpu_dpm_read_sensor(adev, idx, &values[0], &valuesize); - else - return -EINVAL; - - if (size > valuesize) - return -EINVAL; - - outsize = 0; - x = 0; - if (!r) { - while (size) { - r = put_user(values[x++], (int32_t *)buf); - buf += 4; - size -= 4; - outsize += 4; - } - } - - return !r ? outsize : r; -} - -static ssize_t amdgpu_debugfs_wave_read(struct file *f, char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = f->f_inode->i_private; - int r, x; - ssize_t result=0; - uint32_t offset, se, sh, cu, wave, simd, data[32]; - - if (size & 3 || *pos & 3) - return -EINVAL; - - /* decode offset */ - offset = (*pos & GENMASK_ULL(6, 0)); - se = (*pos & GENMASK_ULL(14, 7)) >> 7; - sh = (*pos & GENMASK_ULL(22, 15)) >> 15; - cu = (*pos & GENMASK_ULL(30, 23)) >> 23; - wave = (*pos & GENMASK_ULL(36, 31)) >> 31; - simd = (*pos & GENMASK_ULL(44, 37)) >> 37; - - /* switch to the specific se/sh/cu */ - mutex_lock(&adev->grbm_idx_mutex); - amdgpu_gfx_select_se_sh(adev, se, sh, cu); - - x = 0; - if (adev->gfx.funcs->read_wave_data) - adev->gfx.funcs->read_wave_data(adev, simd, wave, data, &x); - - amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF); - mutex_unlock(&adev->grbm_idx_mutex); - - if (!x) - return -EINVAL; - - while (size && (offset < x * 4)) { - uint32_t value; - - value = data[offset >> 2]; - r = put_user(value, (uint32_t *)buf); - if (r) - return r; - - result += 4; - buf += 4; - offset += 4; - size -= 4; - } - - return result; -} - -static ssize_t amdgpu_debugfs_gpr_read(struct file *f, char __user *buf, - size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = f->f_inode->i_private; - int r; - ssize_t result = 0; - uint32_t offset, se, sh, cu, wave, simd, thread, bank, *data; - - if (size & 3 || *pos & 3) - return -EINVAL; - - /* decode offset */ - offset = *pos & GENMASK_ULL(11, 0); - se = (*pos & GENMASK_ULL(19, 12)) >> 12; - sh = (*pos & GENMASK_ULL(27, 20)) >> 20; - cu = (*pos & GENMASK_ULL(35, 28)) >> 28; - wave = (*pos & GENMASK_ULL(43, 36)) >> 36; - simd = (*pos & GENMASK_ULL(51, 44)) >> 44; - thread = (*pos & GENMASK_ULL(59, 52)) >> 52; - bank = (*pos & GENMASK_ULL(61, 60)) >> 60; - - data = kmalloc_array(1024, sizeof(*data), GFP_KERNEL); - if (!data) - return -ENOMEM; - - /* switch to the specific se/sh/cu */ - mutex_lock(&adev->grbm_idx_mutex); - amdgpu_gfx_select_se_sh(adev, se, sh, cu); - - if (bank == 0) { - if (adev->gfx.funcs->read_wave_vgprs) - adev->gfx.funcs->read_wave_vgprs(adev, simd, wave, thread, offset, size>>2, data); - } else { - if (adev->gfx.funcs->read_wave_sgprs) - adev->gfx.funcs->read_wave_sgprs(adev, simd, wave, offset, size>>2, data); - } - - amdgpu_gfx_select_se_sh(adev, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF); - mutex_unlock(&adev->grbm_idx_mutex); - - while (size) { - uint32_t value; - - value = data[offset++]; - r = put_user(value, (uint32_t *)buf); - if (r) { - result = r; - goto err; - } - - result += 4; - buf += 4; - size -= 4; - } - -err: - kfree(data); - return result; -} - -static const struct file_operations amdgpu_debugfs_regs_fops = { - .owner = THIS_MODULE, - .read = amdgpu_debugfs_regs_read, - .write = amdgpu_debugfs_regs_write, - .llseek = default_llseek -}; -static const struct file_operations amdgpu_debugfs_regs_didt_fops = { - .owner = THIS_MODULE, - .read = amdgpu_debugfs_regs_didt_read, - .write = amdgpu_debugfs_regs_didt_write, - .llseek = default_llseek -}; -static const struct file_operations amdgpu_debugfs_regs_pcie_fops = { - .owner = THIS_MODULE, - .read = amdgpu_debugfs_regs_pcie_read, - .write = amdgpu_debugfs_regs_pcie_write, - .llseek = default_llseek -}; -static const struct file_operations amdgpu_debugfs_regs_smc_fops = { - .owner = THIS_MODULE, - .read = amdgpu_debugfs_regs_smc_read, - .write = amdgpu_debugfs_regs_smc_write, - .llseek = default_llseek -}; - -static const struct file_operations amdgpu_debugfs_gca_config_fops = { - .owner = THIS_MODULE, - .read = amdgpu_debugfs_gca_config_read, - .llseek = default_llseek -}; - -static const struct file_operations amdgpu_debugfs_sensors_fops = { - .owner = THIS_MODULE, - .read = amdgpu_debugfs_sensor_read, - .llseek = default_llseek -}; - -static const struct file_operations amdgpu_debugfs_wave_fops = { - .owner = THIS_MODULE, - .read = amdgpu_debugfs_wave_read, - .llseek = default_llseek -}; -static const struct file_operations amdgpu_debugfs_gpr_fops = { - .owner = THIS_MODULE, - .read = amdgpu_debugfs_gpr_read, - .llseek = default_llseek -}; - -static const struct file_operations *debugfs_regs[] = { - &amdgpu_debugfs_regs_fops, - &amdgpu_debugfs_regs_didt_fops, - &amdgpu_debugfs_regs_pcie_fops, - &amdgpu_debugfs_regs_smc_fops, - &amdgpu_debugfs_gca_config_fops, - &amdgpu_debugfs_sensors_fops, - &amdgpu_debugfs_wave_fops, - &amdgpu_debugfs_gpr_fops, -}; - -static const char *debugfs_regs_names[] = { - "amdgpu_regs", - "amdgpu_regs_didt", - "amdgpu_regs_pcie", - "amdgpu_regs_smc", - "amdgpu_gca_config", - "amdgpu_sensors", - "amdgpu_wave", - "amdgpu_gpr", -}; - -static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev) -{ - struct drm_minor *minor = adev->ddev->primary; - struct dentry *ent, *root = minor->debugfs_root; - unsigned i, j; - - for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) { - ent = debugfs_create_file(debugfs_regs_names[i], - S_IFREG | S_IRUGO, root, - adev, debugfs_regs[i]); - if (IS_ERR(ent)) { - for (j = 0; j < i; j++) { - debugfs_remove(adev->debugfs_regs[i]); - adev->debugfs_regs[i] = NULL; - } - return PTR_ERR(ent); - } - - if (!i) - i_size_write(ent->d_inode, adev->rmmio_size); - adev->debugfs_regs[i] = ent; - } - - return 0; -} - -static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev) -{ - unsigned i; - - for (i = 0; i < ARRAY_SIZE(debugfs_regs); i++) { - if (adev->debugfs_regs[i]) { - debugfs_remove(adev->debugfs_regs[i]); - adev->debugfs_regs[i] = NULL; - } - } -} - -static int amdgpu_debugfs_test_ib(struct seq_file *m, void *data) -{ - struct drm_info_node *node = (struct drm_info_node *) m->private; - struct drm_device *dev = node->minor->dev; - struct amdgpu_device *adev = dev->dev_private; - int r = 0, i; - - /* hold on the scheduler */ - for (i = 0; i < AMDGPU_MAX_RINGS; i++) { - struct amdgpu_ring *ring = adev->rings[i]; - - if (!ring || !ring->sched.thread) - continue; - kthread_park(ring->sched.thread); - } - - seq_printf(m, "run ib test:\n"); - r = amdgpu_ib_ring_tests(adev); - if (r) - seq_printf(m, "ib ring tests failed (%d).\n", r); - else - seq_printf(m, "ib ring tests passed.\n"); - - /* go on the scheduler */ - for (i = 0; i < AMDGPU_MAX_RINGS; i++) { - struct amdgpu_ring *ring = adev->rings[i]; - - if (!ring || !ring->sched.thread) - continue; - kthread_unpark(ring->sched.thread); - } - - return 0; -} - -static int amdgpu_debugfs_get_vbios_dump(struct seq_file *m, void *data) -{ - struct drm_info_node *node = (struct drm_info_node *) m->private; - struct drm_device *dev = node->minor->dev; - struct amdgpu_device *adev = dev->dev_private; - - seq_write(m, adev->bios, adev->bios_size); - return 0; -} - -static int amdgpu_debugfs_evict_vram(struct seq_file *m, void *data) -{ - struct drm_info_node *node = (struct drm_info_node *)m->private; - struct drm_device *dev = node->minor->dev; - struct amdgpu_device *adev = dev->dev_private; - - seq_printf(m, "(%d)\n", amdgpu_bo_evict_vram(adev)); - return 0; -} - -static const struct drm_info_list amdgpu_debugfs_list[] = { - {"amdgpu_vbios", amdgpu_debugfs_get_vbios_dump}, - {"amdgpu_test_ib", &amdgpu_debugfs_test_ib}, - {"amdgpu_evict_vram", &amdgpu_debugfs_evict_vram} -}; - -static int amdgpu_debugfs_init(struct amdgpu_device *adev) -{ - return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_list, - ARRAY_SIZE(amdgpu_debugfs_list)); -} - -#else -static int amdgpu_debugfs_init(struct amdgpu_device *adev) -{ - return 0; -} -static int amdgpu_debugfs_regs_init(struct amdgpu_device *adev) -{ - return 0; -} -static void amdgpu_debugfs_regs_cleanup(struct amdgpu_device *adev) { } -#endif diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c index eb75eb44efc6..10805edcf964 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c @@ -851,7 +851,7 @@ static const struct drm_info_list amdgpu_debugfs_gem_list[] = { }; #endif -int amdgpu_gem_debugfs_init(struct amdgpu_device *adev) +int amdgpu_debugfs_gem_init(struct amdgpu_device *adev) { #if defined(CONFIG_DEBUG_FS) return amdgpu_debugfs_add_files(adev, amdgpu_debugfs_gem_list, 1);