diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c')
-rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 96 |
1 files changed, 0 insertions, 96 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index 0e1a11b6b989..cbef720de779 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -2026,100 +2026,6 @@ DEFINE_DEBUGFS_ATTRIBUTE(fops_ib_preempt, NULL, DEFINE_DEBUGFS_ATTRIBUTE(fops_sclk_set, NULL, amdgpu_debugfs_sclk_set, "%llu\n"); -static ssize_t amdgpu_reset_dump_register_list_read(struct file *f, - char __user *buf, size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = (struct amdgpu_device *)file_inode(f)->i_private; - char reg_offset[12]; - int i, ret, len = 0; - - if (*pos) - return 0; - - memset(reg_offset, 0, 12); - ret = down_read_killable(&adev->reset_domain->sem); - if (ret) - return ret; - - for (i = 0; i < adev->reset_info.num_regs; i++) { - sprintf(reg_offset, "0x%x\n", adev->reset_info.reset_dump_reg_list[i]); - up_read(&adev->reset_domain->sem); - if (copy_to_user(buf + len, reg_offset, strlen(reg_offset))) - return -EFAULT; - - len += strlen(reg_offset); - ret = down_read_killable(&adev->reset_domain->sem); - if (ret) - return ret; - } - - up_read(&adev->reset_domain->sem); - *pos += len; - - return len; -} - -static ssize_t amdgpu_reset_dump_register_list_write(struct file *f, - const char __user *buf, size_t size, loff_t *pos) -{ - struct amdgpu_device *adev = (struct amdgpu_device *)file_inode(f)->i_private; - char reg_offset[11]; - uint32_t *new = NULL, *tmp = NULL; - unsigned int len = 0; - int ret, i = 0; - - do { - memset(reg_offset, 0, 11); - if (copy_from_user(reg_offset, buf + len, - min(10, (size-len)))) { - ret = -EFAULT; - goto error_free; - } - - new = krealloc_array(tmp, i + 1, sizeof(uint32_t), GFP_KERNEL); - if (!new) { - ret = -ENOMEM; - goto error_free; - } - tmp = new; - if (sscanf(reg_offset, "%X %n", &tmp[i], &ret) != 1) { - ret = -EINVAL; - goto error_free; - } - - len += ret; - i++; - } while (len < size); - - new = kmalloc_array(i, sizeof(uint32_t), GFP_KERNEL); - if (!new) { - ret = -ENOMEM; - goto error_free; - } - ret = down_write_killable(&adev->reset_domain->sem); - if (ret) - goto error_free; - - swap(adev->reset_info.reset_dump_reg_list, tmp); - swap(adev->reset_info.reset_dump_reg_value, new); - adev->reset_info.num_regs = i; - up_write(&adev->reset_domain->sem); - ret = size; - -error_free: - if (tmp != new) - kfree(tmp); - kfree(new); - return ret; -} - -static const struct file_operations amdgpu_reset_dump_register_list = { - .owner = THIS_MODULE, - .read = amdgpu_reset_dump_register_list_read, - .write = amdgpu_reset_dump_register_list_write, - .llseek = default_llseek -}; - int amdgpu_debugfs_init(struct amdgpu_device *adev) { struct dentry *root = adev_to_drm(adev)->primary->debugfs_root; @@ -2204,8 +2110,6 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev) &amdgpu_debugfs_vm_info_fops); debugfs_create_file("amdgpu_benchmark", 0200, root, adev, &amdgpu_benchmark_fops); - debugfs_create_file("amdgpu_reset_dump_register_list", 0644, root, adev, - &amdgpu_reset_dump_register_list); adev->debugfs_vbios_blob.data = adev->bios; adev->debugfs_vbios_blob.size = adev->bios_size; |