drm/ttm: make ttm_mem_type_manager_func debug more useful

Provide the drm printer directly instead of just the callback.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_gtt_mgr.c

@@ -253,18 +253,17 @@ static void amdgpu_gtt_mgr_del(struct ttm_mem_type_manager *man,
  * amdgpu_gtt_mgr_debug - dump VRAM table
  *
  * @man: TTM memory type manager
- * @prefix: text prefix
+ * @printer: DRM printer to use
  *
  * Dump the table content using printk.
  */
 static void amdgpu_gtt_mgr_debug(struct ttm_mem_type_manager *man,
-				  const char *prefix)
+				 struct drm_printer *printer)
 {
 	struct amdgpu_gtt_mgr *mgr = man->priv;
-	struct drm_printer p = drm_debug_printer(prefix);
 
 	spin_lock(&mgr->lock);
-	drm_mm_print(&mgr->mm, &p);
+	drm_mm_print(&mgr->mm, printer);
 	spin_unlock(&mgr->lock);
 }
 

drivers/gpu/drm/amd/amdgpu/amdgpu_vram_mgr.c

@@ -204,18 +204,17 @@ static void amdgpu_vram_mgr_del(struct ttm_mem_type_manager *man,
  * amdgpu_vram_mgr_debug - dump VRAM table
  *
  * @man: TTM memory type manager
- * @prefix: text prefix
+ * @printer: DRM printer to use
  *
  * Dump the table content using printk.
  */
 static void amdgpu_vram_mgr_debug(struct ttm_mem_type_manager *man,
-				  const char *prefix)
+				  struct drm_printer *printer)
 {
 	struct amdgpu_vram_mgr *mgr = man->priv;
-	struct drm_printer p = drm_debug_printer(prefix);
 
 	spin_lock(&mgr->lock);
-	drm_mm_print(&mgr->mm, &p);
+	drm_mm_print(&mgr->mm, printer);
 	spin_unlock(&mgr->lock);
 }
 

drivers/gpu/drm/nouveau/nouveau_ttm.c

@@ -179,7 +179,8 @@ nouveau_gart_manager_new(struct ttm_mem_type_manager *man,
 }
 
 static void
-nouveau_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
+nouveau_gart_manager_debug(struct ttm_mem_type_manager *man,
+			   struct drm_printer *printer)
 {
 }
 
@@ -252,7 +253,8 @@ nv04_gart_manager_new(struct ttm_mem_type_manager *man,
 }
 
 static void
-nv04_gart_manager_debug(struct ttm_mem_type_manager *man, const char *prefix)
+nv04_gart_manager_debug(struct ttm_mem_type_manager *man,
+			struct drm_printer *printer)
 {
 }
 

drivers/gpu/drm/ttm/ttm_bo.c

@@ -70,6 +70,7 @@ static inline int ttm_mem_type_from_place(const struct ttm_place *place,
 static void ttm_mem_type_debug(struct ttm_bo_device *bdev, int mem_type)
 {
 	struct ttm_mem_type_manager *man = &bdev->man[mem_type];
+	struct drm_printer p = drm_debug_printer(TTM_PFX);
 
 	pr_err("    has_type: %d\n", man->has_type);
 	pr_err("    use_type: %d\n", man->use_type);
@@ -79,7 +80,7 @@ static void ttm_mem_type_debug(struct ttm_bo_device *bdev, int mem_type)
 	pr_err("    available_caching: 0x%08X\n", man->available_caching);
 	pr_err("    default_caching: 0x%08X\n", man->default_caching);
 	if (mem_type != TTM_PL_SYSTEM)
-		(*man->func->debug)(man, TTM_PFX);
+		(*man->func->debug)(man, &p);
 }
 
 static void ttm_bo_mem_space_debug(struct ttm_buffer_object *bo,

drivers/gpu/drm/ttm/ttm_bo_manager.c

@@ -136,13 +136,12 @@ static int ttm_bo_man_takedown(struct ttm_mem_type_manager *man)
 }
 
 static void ttm_bo_man_debug(struct ttm_mem_type_manager *man,
-			     const char *prefix)
+			     struct drm_printer *printer)
 {
 	struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv;
-	struct drm_printer p = drm_debug_printer(prefix);
 
 	spin_lock(&rman->lock);
-	drm_mm_print(&rman->mm, &p);
+	drm_mm_print(&rman->mm, printer);
 	spin_unlock(&rman->lock);
 }
 

drivers/gpu/drm/virtio/virtgpu_ttm.c

@@ -192,7 +192,7 @@ static int ttm_bo_man_takedown(struct ttm_mem_type_manager *man)
 }
 
 static void ttm_bo_man_debug(struct ttm_mem_type_manager *man,
-			     const char *prefix)
+			     struct drm_printer *printer)
 {
 }
 

drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c

@@ -157,9 +157,9 @@ static int vmw_gmrid_man_takedown(struct ttm_mem_type_manager *man)
 }
 
 static void vmw_gmrid_man_debug(struct ttm_mem_type_manager *man,
-				const char *prefix)
+				struct drm_printer *printer)
 {
-	pr_info("%s: No debug info available for the GMR id manager\n", prefix);
+	drm_printf(printer, "No debug info available for the GMR id manager\n");
 }
 
 const struct ttm_mem_type_manager_func vmw_gmrid_manager_func = {

include/drm/ttm/ttm_bo_driver.h

@@ -229,13 +229,14 @@ struct ttm_mem_type_manager_func {
 	 * struct ttm_mem_type_manager member debug
 	 *
 	 * @man: Pointer to a memory type manager.
-	 * @prefix: Prefix to be used in printout to identify the caller.
+	 * @printer: Prefix to be used in printout to identify the caller.
 	 *
 	 * This function is called to print out the state of the memory
 	 * type manager to aid debugging of out-of-memory conditions.
 	 * It may not be called from within atomic context.
 	 */
-	void (*debug)(struct ttm_mem_type_manager *man, const char *prefix);
+	void (*debug)(struct ttm_mem_type_manager *man,
+		      struct drm_printer *printer);
 };
 
 /**