diff options
Diffstat (limited to 'drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c')
| -rw-r--r-- | drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c | 19 |
1 files changed, 3 insertions, 16 deletions
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c index dd383267884c..1ee339e0e1db 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* Hisilicon Hibmc SoC drm driver * * Based on the bochs drm driver. @@ -8,12 +9,6 @@ * Rongrong Zou <zourongrong@huawei.com> * Rongrong Zou <zourongrong@gmail.com> * Jianhua Li <lijianhua@huawei.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * */ #include <drm/drm_atomic_helper.h> @@ -21,8 +16,6 @@ #include "hibmc_drm_drv.h" -#define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT) - static inline struct hibmc_drm_private * hibmc_bdev(struct ttm_bo_device *bd) { @@ -191,7 +184,6 @@ int hibmc_mm_init(struct hibmc_drm_private *hibmc) ret = ttm_bo_device_init(&hibmc->bdev, &hibmc_bo_driver, dev->anon_inode->i_mapping, - DRM_FILE_PAGE_OFFSET, true); if (ret) { DRM_ERROR("error initializing bo driver: %d\n", ret); @@ -322,14 +314,9 @@ int hibmc_bo_unpin(struct hibmc_bo *bo) int hibmc_mmap(struct file *filp, struct vm_area_struct *vma) { - struct drm_file *file_priv; - struct hibmc_drm_private *hibmc; - - if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET)) - return -EINVAL; + struct drm_file *file_priv = filp->private_data; + struct hibmc_drm_private *hibmc = file_priv->minor->dev->dev_private; - file_priv = filp->private_data; - hibmc = file_priv->minor->dev->dev_private; return ttm_bo_mmap(filp, vma, &hibmc->bdev); } |