drm/ttm: nuke ttm_bo_evict_mm and rename mgr function v3

Make it more clear what the resource manager function
does and nuke the wrapper function.

v2: nuke the wrapper
v3: fix typo in radeon, rebased

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> (v2)
Link: https://patchwork.freedesktop.org/patch/393914/

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

@@ -1319,6 +1319,7 @@ static int amdgpu_debugfs_evict_gtt(struct seq_file *m, void *data)
 	struct drm_info_node *node = (struct drm_info_node *)m->private;
 	struct drm_device *dev = node->minor->dev;
 	struct amdgpu_device *adev = drm_to_adev(dev);
+	struct ttm_resource_manager *man;
 	int r;
 
 	r = pm_runtime_get_sync(dev->dev);
@@ -1327,7 +1328,9 @@ static int amdgpu_debugfs_evict_gtt(struct seq_file *m, void *data)
 		return r;
 	}
 
-	seq_printf(m, "(%d)\n", ttm_bo_evict_mm(&adev->mman.bdev, TTM_PL_TT));
+	man = ttm_manager_type(&adev->mman.bdev, TTM_PL_TT);
+	r = ttm_resource_manager_evict_all(&adev->mman.bdev, man);
+	seq_printf(m, "(%d)\n", r);
 
 	pm_runtime_mark_last_busy(dev->dev);
 	pm_runtime_put_autosuspend(dev->dev);

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

@@ -136,7 +136,7 @@ void amdgpu_gtt_mgr_fini(struct amdgpu_device *adev)
 
 	ttm_resource_manager_set_used(man, false);
 
-	ret = ttm_resource_manager_force_list_clean(&adev->mman.bdev, man);
+	ret = ttm_resource_manager_evict_all(&adev->mman.bdev, man);
 	if (ret)
 		return;
 

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

@@ -1029,6 +1029,8 @@ void amdgpu_bo_unpin(struct amdgpu_bo *bo)
  */
 int amdgpu_bo_evict_vram(struct amdgpu_device *adev)
 {
+	struct ttm_resource_manager *man;
+
 	/* late 2.6.33 fix IGP hibernate - we need pm ops to do this correct */
 #ifndef CONFIG_HIBERNATION
 	if (adev->flags & AMD_IS_APU) {
@@ -1036,7 +1038,9 @@ int amdgpu_bo_evict_vram(struct amdgpu_device *adev)
 		return 0;
 	}
 #endif
-	return ttm_bo_evict_mm(&adev->mman.bdev, TTM_PL_VRAM);
+
+	man = ttm_manager_type(&adev->mman.bdev, TTM_PL_VRAM);
+	return ttm_resource_manager_evict_all(&adev->mman.bdev, man);
 }
 
 static const char *amdgpu_vram_names[] = {

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

@@ -212,7 +212,7 @@ void amdgpu_vram_mgr_fini(struct amdgpu_device *adev)
 
 	ttm_resource_manager_set_used(man, false);
 
-	ret = ttm_resource_manager_force_list_clean(&adev->mman.bdev, man);
+	ret = ttm_resource_manager_evict_all(&adev->mman.bdev, man);
 	if (ret)
 		return;
 

drivers/gpu/drm/nouveau/nouveau_drm.c

@@ -820,6 +820,7 @@ static int
 nouveau_do_suspend(struct drm_device *dev, bool runtime)
 {
 	struct nouveau_drm *drm = nouveau_drm(dev);
+	struct ttm_resource_manager *man;
 	int ret;
 
 	nouveau_svm_suspend(drm);
@@ -836,7 +837,9 @@ nouveau_do_suspend(struct drm_device *dev, bool runtime)
 	}
 
 	NV_DEBUG(drm, "evicting buffers...\n");
-	ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);
+
+	man = ttm_manager_type(&drm->ttm.bdev, TTM_PL_VRAM);
+	ttm_resource_manager_evict_all(&drm->ttm.bdev, man);
 
 	NV_DEBUG(drm, "waiting for kernel channels to go idle...\n");
 	if (drm->cechan) {

drivers/gpu/drm/nouveau/nouveau_ttm.c

@@ -222,7 +222,7 @@ nouveau_ttm_fini_vram(struct nouveau_drm *drm)
 
 	if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
 		ttm_resource_manager_set_used(man, false);
-		ttm_resource_manager_force_list_clean(&drm->ttm.bdev, man);
+		ttm_resource_manager_evict_all(&drm->ttm.bdev, man);
 		ttm_resource_manager_cleanup(man);
 		ttm_set_driver_manager(&drm->ttm.bdev, TTM_PL_VRAM, NULL);
 		kfree(man);
@@ -267,7 +267,7 @@ nouveau_ttm_fini_gtt(struct nouveau_drm *drm)
 		ttm_range_man_fini(&drm->ttm.bdev, TTM_PL_TT);
 	else {
 		ttm_resource_manager_set_used(man, false);
-		ttm_resource_manager_force_list_clean(&drm->ttm.bdev, man);
+		ttm_resource_manager_evict_all(&drm->ttm.bdev, man);
 		ttm_resource_manager_cleanup(man);
 		ttm_set_driver_manager(&drm->ttm.bdev, TTM_PL_TT, NULL);
 		kfree(man);

drivers/gpu/drm/qxl/qxl_object.c

@@ -351,10 +351,16 @@ int qxl_bo_check_id(struct qxl_device *qdev, struct qxl_bo *bo)
 
 int qxl_surf_evict(struct qxl_device *qdev)
 {
-	return ttm_bo_evict_mm(&qdev->mman.bdev, TTM_PL_PRIV);
+	struct ttm_resource_manager *man;
+
+	man = ttm_manager_type(&qdev->mman.bdev, TTM_PL_PRIV);
+	return ttm_resource_manager_evict_all(&qdev->mman.bdev, man);
 }
 
 int qxl_vram_evict(struct qxl_device *qdev)
 {
-	return ttm_bo_evict_mm(&qdev->mman.bdev, TTM_PL_VRAM);
+	struct ttm_resource_manager *man;
+
+	man = ttm_manager_type(&qdev->mman.bdev, TTM_PL_VRAM);
+	return ttm_resource_manager_evict_all(&qdev->mman.bdev, man);
 }

drivers/gpu/drm/radeon/radeon_object.c

@@ -402,6 +402,9 @@ void radeon_bo_unpin(struct radeon_bo *bo)
 
 int radeon_bo_evict_vram(struct radeon_device *rdev)
 {
+	struct ttm_bo_device *bdev = &rdev->mman.bdev;
+	struct ttm_resource_manager *man;
+
 	/* late 2.6.33 fix IGP hibernate - we need pm ops to do this correct */
 #ifndef CONFIG_HIBERNATION
 	if (rdev->flags & RADEON_IS_IGP) {
@@ -410,7 +413,8 @@ int radeon_bo_evict_vram(struct radeon_device *rdev)
 			return 0;
 	}
 #endif
-	return ttm_bo_evict_mm(&rdev->mman.bdev, TTM_PL_VRAM);
+	man = ttm_manager_type(bdev, TTM_PL_VRAM);
+	return ttm_resource_manager_evict_all(bdev, man);
 }
 
 void radeon_bo_force_delete(struct radeon_device *rdev)

drivers/gpu/drm/ttm/ttm_bo.c

@@ -1249,24 +1249,6 @@ size_t ttm_bo_dma_acc_size(struct ttm_bo_device *bdev,
 }
 EXPORT_SYMBOL(ttm_bo_dma_acc_size);
 
-int ttm_bo_evict_mm(struct ttm_bo_device *bdev, unsigned mem_type)
-{
-	struct ttm_resource_manager *man = ttm_manager_type(bdev, mem_type);
-
-	if (mem_type == 0 || mem_type >= TTM_NUM_MEM_TYPES) {
-		pr_err("Illegal memory manager memory type %u\n", mem_type);
-		return -EINVAL;
-	}
-
-	if (!man) {
-		pr_err("Memory type %u has not been initialized\n", mem_type);
-		return 0;
-	}
-
-	return ttm_resource_manager_force_list_clean(bdev, man);
-}
-EXPORT_SYMBOL(ttm_bo_evict_mm);
-
 static void ttm_bo_global_kobj_release(struct kobject *kobj)
 {
 	struct ttm_bo_global *glob =

drivers/gpu/drm/ttm/ttm_range_manager.c

@@ -149,7 +149,7 @@ int ttm_range_man_fini(struct ttm_bo_device *bdev,
 
 	ttm_resource_manager_set_used(man, false);
 
-	ret = ttm_resource_manager_force_list_clean(bdev, man);
+	ret = ttm_resource_manager_evict_all(bdev, man);
 	if (ret)
 		return ret;
 

drivers/gpu/drm/ttm/ttm_resource.c

@@ -75,16 +75,16 @@ void ttm_resource_manager_init(struct ttm_resource_manager *man,
 EXPORT_SYMBOL(ttm_resource_manager_init);
 
 /*
- * ttm_resource_manager_force_list_clean
+ * ttm_resource_manager_evict_all
  *
  * @bdev - device to use
  * @man - manager to use
  *
- * Force all the objects out of a memory manager until clean.
+ * Evict all the objects out of a memory manager until it is empty.
  * Part of memory manager cleanup sequence.
  */
-int ttm_resource_manager_force_list_clean(struct ttm_bo_device *bdev,
-					  struct ttm_resource_manager *man)
+int ttm_resource_manager_evict_all(struct ttm_bo_device *bdev,
+				   struct ttm_resource_manager *man)
 {
 	struct ttm_operation_ctx ctx = {
 		.interruptible = false,
@@ -126,7 +126,7 @@ int ttm_resource_manager_force_list_clean(struct ttm_bo_device *bdev,
 
 	return 0;
 }
-EXPORT_SYMBOL(ttm_resource_manager_force_list_clean);
+EXPORT_SYMBOL(ttm_resource_manager_evict_all);
 
 /**
  * ttm_resource_manager_debug

drivers/gpu/drm/vmwgfx/vmwgfx_drv.c

@@ -468,7 +468,10 @@ out_no_query_bo:
 	if (dev_priv->cman)
 		vmw_cmdbuf_remove_pool(dev_priv->cman);
 	if (dev_priv->has_mob) {
-		(void) ttm_bo_evict_mm(&dev_priv->bdev, VMW_PL_MOB);
+		struct ttm_resource_manager *man;
+
+		man = ttm_manager_type(&dev_priv->bdev, VMW_PL_MOB);
+		ttm_resource_manager_evict_all(&dev_priv->bdev, man);
 		vmw_otables_takedown(dev_priv);
 	}
 	if (dev_priv->cman)
@@ -501,7 +504,10 @@ static void vmw_release_device_early(struct vmw_private *dev_priv)
 		vmw_cmdbuf_remove_pool(dev_priv->cman);
 
 	if (dev_priv->has_mob) {
-		ttm_bo_evict_mm(&dev_priv->bdev, VMW_PL_MOB);
+		struct ttm_resource_manager *man;
+
+		man = ttm_manager_type(&dev_priv->bdev, VMW_PL_MOB);
+		ttm_resource_manager_evict_all(&dev_priv->bdev, man);
 		vmw_otables_takedown(dev_priv);
 	}
 }
@@ -1257,7 +1263,7 @@ void vmw_svga_disable(struct vmw_private *dev_priv)
 	if (ttm_resource_manager_used(man)) {
 		ttm_resource_manager_set_used(man, false);
 		spin_unlock(&dev_priv->svga_lock);
-		if (ttm_bo_evict_mm(&dev_priv->bdev, TTM_PL_VRAM))
+		if (ttm_resource_manager_evict_all(&dev_priv->bdev, man))
 			DRM_ERROR("Failed evicting VRAM buffers.\n");
 		vmw_write(dev_priv, SVGA_REG_ENABLE,
 			  SVGA_REG_ENABLE_HIDE |

drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c

@@ -143,7 +143,7 @@ void vmw_gmrid_man_fini(struct vmw_private *dev_priv, int type)
 
 	ttm_resource_manager_set_used(man, false);
 
-	ttm_resource_manager_force_list_clean(&dev_priv->bdev, man);
+	ttm_resource_manager_evict_all(&dev_priv->bdev, man);
 
 	ttm_resource_manager_cleanup(man);
 

drivers/gpu/drm/vmwgfx/vmwgfx_thp.c

@@ -149,7 +149,7 @@ void vmw_thp_fini(struct vmw_private *dev_priv)
 
 	ttm_resource_manager_set_used(man, false);
 
-	ret = ttm_resource_manager_force_list_clean(&dev_priv->bdev, man);
+	ret = ttm_resource_manager_evict_all(&dev_priv->bdev, man);
 	if (ret)
 		return;
 	spin_lock(&rman->lock);

include/drm/ttm/ttm_bo_api.h

@@ -448,26 +448,6 @@ int ttm_bo_init(struct ttm_bo_device *bdev, struct ttm_buffer_object *bo,
 		struct sg_table *sg, struct dma_resv *resv,
 		void (*destroy) (struct ttm_buffer_object *));
 
-/**
- * ttm_bo_evict_mm
- *
- * @bdev: Pointer to a ttm_bo_device struct.
- * @mem_type: The memory type.
- *
- * Evicts all buffers on the lru list of the memory type.
- * This is normally part of a VT switch or an
- * out-of-memory-space-due-to-fragmentation handler.
- * The caller must make sure that there are no other processes
- * currently validating buffers, and can do that by taking the
- * struct ttm_bo_device::ttm_lock in write mode.
- *
- * Returns:
- * -EINVAL: Invalid or uninitialized memory type.
- * -ERESTARTSYS: The call was interrupted by a signal while waiting to
- * evict a buffer.
- */
-int ttm_bo_evict_mm(struct ttm_bo_device *bdev, unsigned mem_type);
-
 /**
  * ttm_kmap_obj_virtual
  *

include/drm/ttm/ttm_resource.h

@@ -228,8 +228,8 @@ void ttm_resource_free(struct ttm_buffer_object *bo, struct ttm_resource *res);
 void ttm_resource_manager_init(struct ttm_resource_manager *man,
 			       unsigned long p_size);
 
-int ttm_resource_manager_force_list_clean(struct ttm_bo_device *bdev,
-					  struct ttm_resource_manager *man);
+int ttm_resource_manager_evict_all(struct ttm_bo_device *bdev,
+				   struct ttm_resource_manager *man);
 
 void ttm_resource_manager_debug(struct ttm_resource_manager *man,
 				struct drm_printer *p);