[PATCH 1/2] drm/amdgpu: add more information in debugfs to pagetable dump

Sunil Khatri sunil.khatri at amd.com
Thu Aug 14 08:12:47 UTC 2025


Add more information in the debugfs which is needed to dump
a pagetable correctly for userqueues where vmid is not known
in the kernel.

Signed-off-by: Sunil Khatri <sunil.khatri at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
index 63cd790b1d7b..6d52832fa9b6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_debugfs.c
@@ -2136,12 +2136,14 @@ 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;
+	struct amdgpu_device *adev;
 	int r;
 
 	file = m->private;
 	if (!file)
 		return -EINVAL;
 
+	adev = drm_to_adev(file->minor->dev);
 	fpriv = file->driver_priv;
 	if (!fpriv || !fpriv->vm.root.bo)
 		return -ENODEV;
@@ -2154,6 +2156,10 @@ static int amdgpu_pt_info_read(struct seq_file *m, void *unused)
 	}
 
 	seq_printf(m, "gpu_address: 0x%llx\n", amdgpu_bo_gpu_offset(fpriv->vm.root.bo));
+	seq_printf(m, "max_pfn: 0x%llx\n", adev->vm_manager.max_pfn);
+	seq_printf(m, "num_level: 0x%x\n", adev->vm_manager.num_level);
+	seq_printf(m, "block_size: 0x%x\n", adev->vm_manager.block_size);
+	seq_printf(m, "fragment_size: 0x%x\n", adev->vm_manager.fragment_size);
 
 	amdgpu_bo_unreserve(root_bo);
 	amdgpu_bo_unref(&root_bo);
-- 
2.34.1



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