diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c index dac4b926e7be..e49890a23ef6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c @@ -2131,6 +2131,55 @@ int amdgpu_debugfs_init(struct amdgpu_device *adev) return 0; } +static int amdgpu_pt_info_read(struct seq_file *m, void *unused) +{ + struct drm_file *file; + struct amdgpu_fpriv *fpriv; + struct amdgpu_bo *root_bo; + int r; + + file = m->private; + if (!file) + return -EINVAL; + + fpriv = file->driver_priv; + if (!fpriv && !fpriv->vm.root.bo) + return -ENODEV; + + root_bo = amdgpu_bo_ref(fpriv->vm.root.bo); + r = amdgpu_bo_reserve(root_bo, true); + if (r) { + amdgpu_bo_unref(&root_bo); + return -EINVAL; + } + + seq_printf(m, "gpu_address: 0x%llx\n", amdgpu_bo_gpu_offset(fpriv->vm.root.bo)); + + amdgpu_bo_unreserve(root_bo); + amdgpu_bo_unref(&root_bo); + + return 0; +} + +static int amdgpu_pt_info_open(struct inode *inode, struct file *file) +{ + return single_open(file, amdgpu_pt_info_read, inode->i_private); +} + +static const struct file_operations amdgpu_pt_info_fops = { + .owner = THIS_MODULE, + .open = amdgpu_pt_info_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +void amdgpu_debugfs_vm_init(struct drm_file *file) +{ + debugfs_create_file("vm_pagetable_info", 0444, file->debugfs_client, file, + &amdgpu_pt_info_fops); +} + #else int amdgpu_debugfs_init(struct amdgpu_device *adev) { @@ -2140,4 +2189,7 @@ int amdgpu_debugfs_regs_init(struct amdgpu_device *adev) { return 0; } +void amdgpu_debugfs_vm_init(struct drm_file *file) +{ +} #endif |