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2023-12-09 b22da3d8526a935aa31e086e63f60ff3246cb61c

 kernel/drivers/gpu/drm/mediatek/mtk_drm_gem.h
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@@ -1,14 +1,6 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Copyright (c) 2015 MediaTek Inc.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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  */
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 #ifndef _MTK_DRM_GEM_H_
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@@ -37,6 +29,7 @@
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 	dma_addr_t		dma_addr;
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 	unsigned long		dma_attrs;
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 	struct sg_table		*sg;
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+	struct page		**pages;
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 };
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 #define to_mtk_gem_obj(x)	container_of(x, struct mtk_drm_gem_obj, base)
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@@ -52,5 +45,7 @@
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 struct sg_table *mtk_gem_prime_get_sg_table(struct drm_gem_object *obj);
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 struct drm_gem_object *mtk_gem_prime_import_sg_table(struct drm_device *dev,
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 			struct dma_buf_attachment *attach, struct sg_table *sg);
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+void *mtk_drm_gem_prime_vmap(struct drm_gem_object *obj);
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+void mtk_drm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr);
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 #endif