diff options
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/drm_bo.c | 17 | 
1 files changed, 14 insertions, 3 deletions
| diff --git a/linux-core/drm_bo.c b/linux-core/drm_bo.c index 2107a3a8..a379c741 100644 --- a/linux-core/drm_bo.c +++ b/linux-core/drm_bo.c @@ -89,6 +89,9 @@ static int drm_bo_vm_pre_move(drm_buffer_object_t * bo, int old_is_pci)  #ifdef DRM_ODD_MM_COMPAT  	int ret; +	if (!bo->map_list.map) +		return 0; +  	ret = drm_bo_lock_kmm(bo);  	if (ret)  		return ret; @@ -96,6 +99,9 @@ static int drm_bo_vm_pre_move(drm_buffer_object_t * bo, int old_is_pci)  	if (old_is_pci)  		drm_bo_finish_unmap(bo);  #else +	if (!bo->map_list.map) +		return 0; +  	drm_bo_unmap_virtual(bo);  #endif  	return 0; @@ -106,6 +112,9 @@ static void drm_bo_vm_post_move(drm_buffer_object_t * bo)  #ifdef DRM_ODD_MM_COMPAT  	int ret; +	if (!bo->map_list.map) +		return; +  	ret = drm_bo_remap_bound(bo);  	if (ret) {  		DRM_ERROR("Failed to remap a bound buffer object.\n" @@ -131,6 +140,11 @@ static int drm_bo_add_ttm(drm_buffer_object_t * bo)  		if (!bo->ttm)  			ret = -ENOMEM;  		break; +	case drm_bo_type_kernel: +		bo->ttm = drm_ttm_init(dev, bo->mem.num_pages << PAGE_SHIFT); +		if (!bo->ttm) +			ret = -ENOMEM; +		break;  	case drm_bo_type_user:  	case drm_bo_type_fake:  		break; @@ -2302,9 +2316,6 @@ void drm_bo_unmap_virtual(drm_buffer_object_t * bo)  	loff_t offset = ((loff_t) bo->map_list.hash.key) << PAGE_SHIFT;  	loff_t holelen = ((loff_t) bo->mem.num_pages) << PAGE_SHIFT; -	if (!dev->dev_mapping) -		return; -  	unmap_mapping_range(dev->dev_mapping, offset, holelen, 1);  } | 
