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| author | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2024-05-28 23:21:34 +0300 |
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| committer | Maarten Lankhorst <maarten.lankhorst@linux.intel.com> | 2024-05-28 23:21:34 +0300 |
| commit | f73a058be5d70dd81a43f16b2bbff4b1576a7af8 (patch) | |
| tree | b7959c01cf7a5d95c7c4d5b61929ff9123370322 /drivers/gpu/drm/mediatek/mtk_gem.h | |
| parent | 6cb05d89fd62a76a9b74bd16211fb0930e89fea8 (diff) | |
| parent | 3e049b6b8f32f25c6967f4cffd8eac6e1e5316f6 (diff) | |
| download | linux-f73a058be5d70dd81a43f16b2bbff4b1576a7af8.tar.xz | |
Merge remote-tracking branch 'drm/drm-fixes' into drm-misc-fixes
v6.10-rc1 is released, forward from v6.9
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Diffstat (limited to 'drivers/gpu/drm/mediatek/mtk_gem.h')
| -rw-r--r-- | drivers/gpu/drm/mediatek/mtk_gem.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/drivers/gpu/drm/mediatek/mtk_gem.h b/drivers/gpu/drm/mediatek/mtk_gem.h new file mode 100644 index 000000000000..66e5f154f698 --- /dev/null +++ b/drivers/gpu/drm/mediatek/mtk_gem.h @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2015 MediaTek Inc. + */ + +#ifndef _MTK_GEM_H_ +#define _MTK_GEM_H_ + +#include <drm/drm_gem.h> + +/* + * mtk drm buffer structure. + * + * @base: a gem object. + * - a new handle to this gem object would be created + * by drm_gem_handle_create(). + * @cookie: the return value of dma_alloc_attrs(), keep it for dma_free_attrs() + * @kvaddr: kernel virtual address of gem buffer. + * @dma_addr: dma address of gem buffer. + * @dma_attrs: dma attributes of gem buffer. + * + * P.S. this object would be transferred to user as kms_bo.handle so + * user can access the buffer through kms_bo.handle. + */ +struct mtk_gem_obj { + struct drm_gem_object base; + void *cookie; + void *kvaddr; + dma_addr_t dma_addr; + unsigned long dma_attrs; + struct sg_table *sg; + struct page **pages; +}; + +#define to_mtk_gem_obj(x) container_of(x, struct mtk_gem_obj, base) + +void mtk_gem_free_object(struct drm_gem_object *gem); +struct mtk_gem_obj *mtk_gem_create(struct drm_device *dev, size_t size, + bool alloc_kmap); +int mtk_gem_dumb_create(struct drm_file *file_priv, struct drm_device *dev, + struct drm_mode_create_dumb *args); +struct sg_table *mtk_gem_prime_get_sg_table(struct drm_gem_object *obj); +struct drm_gem_object *mtk_gem_prime_import_sg_table(struct drm_device *dev, + struct dma_buf_attachment *attach, struct sg_table *sg); +int mtk_gem_prime_vmap(struct drm_gem_object *obj, struct iosys_map *map); +void mtk_gem_prime_vunmap(struct drm_gem_object *obj, struct iosys_map *map); + +#endif |