drm/vmwgfx: Add debugfs entries for various ttm resource managers

Use the newly added TTM's ability to automatically create debugfs entries for specified placements. This creates debugfs files that can be read to get information about various TTM resource managers which are used by vmwgfx. Signed-off-by: Zack Rusin <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] Reviewed-by: Christian König <[email protected]>
kdave · Apr 21, 2022 · af4a25b · af4a25b
1 parent 8cd9efd
commit af4a25b
Showing 1 changed file with 18 additions and 0 deletions.
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -1385,6 +1385,23 @@ static void vmw_remove(struct pci_dev *pdev)
 	vmw_driver_unload(dev);
 }
 
+static void vmw_debugfs_resource_managers_init(struct vmw_private *vmw)
+{
+	struct drm_minor *minor = vmw->drm.primary;
+	struct dentry *root = minor->debugfs_root;
+
+	ttm_resource_manager_create_debugfs(ttm_manager_type(&vmw->bdev, TTM_PL_SYSTEM),
+					    root, "system_ttm");
+	ttm_resource_manager_create_debugfs(ttm_manager_type(&vmw->bdev, TTM_PL_VRAM),
+					    root, "vram_ttm");
+	ttm_resource_manager_create_debugfs(ttm_manager_type(&vmw->bdev, VMW_PL_GMR),
+					    root, "gmr_ttm");
+	ttm_resource_manager_create_debugfs(ttm_manager_type(&vmw->bdev, VMW_PL_MOB),
+					    root, "mob_ttm");
+	ttm_resource_manager_create_debugfs(ttm_manager_type(&vmw->bdev, VMW_PL_SYSTEM),
+					    root, "system_mob_ttm");
+}
+
 static unsigned long
 vmw_get_unmapped_area(struct file *file, unsigned long uaddr,
 		      unsigned long len, unsigned long pgoff,
@@ -1632,6 +1649,7 @@ static int vmw_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		goto out_unload;
 
 	vmw_debugfs_gem_init(vmw);
+	vmw_debugfs_resource_managers_init(vmw);
 
 	return 0;
 out_unload: