diff options
Diffstat (limited to 'drivers/gpu/drm/exynos/exynos_drm_gem.h')
| -rw-r--r-- | drivers/gpu/drm/exynos/exynos_drm_gem.h | 33 |
1 files changed, 7 insertions, 26 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.h b/drivers/gpu/drm/exynos/exynos_drm_gem.h index d46a62c30812..79d7e1a87419 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.h +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.h @@ -1,12 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ /* exynos_drm_gem.h * * Copyright (c) 2011 Samsung Electronics Co., Ltd. * Authoer: Inki Dae <inki.dae@samsung.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. */ #ifndef _EXYNOS_DRM_GEM_H_ @@ -25,20 +21,15 @@ * @base: a gem object. * - a new handle to this gem object would be created * by drm_gem_handle_create(). - * @buffer: a pointer to exynos_drm_gem_buffer object. - * - contain the information to memory region allocated - * by user request or at framebuffer creation. - * continuous memory region allocated by user request - * or at framebuffer creation. * @flags: indicate memory type to allocated buffer and cache attruibute. * @size: size requested from user, in bytes and this size is aligned * in page unit. * @cookie: cookie returned by dma_alloc_attrs - * @kvaddr: kernel virtual address to allocated memory region. + * @kvaddr: kernel virtual address to allocated memory region (for fbdev) * @dma_addr: bus address(accessed by dma) to allocated memory region. * - this address could be physical address without IOMMU and * device address with IOMMU. - * @pages: Array of backing pages. + * @dma_attrs: attrs passed dma mapping framework * @sgt: Imported sg_table. * * P.S. this object would be transferred to user as kms_bo.handle so @@ -49,10 +40,9 @@ struct exynos_drm_gem { unsigned int flags; unsigned long size; void *cookie; - void __iomem *kvaddr; + void *kvaddr; dma_addr_t dma_addr; unsigned long dma_attrs; - struct page **pages; struct sg_table *sgt; }; @@ -62,7 +52,8 @@ void exynos_drm_gem_destroy(struct exynos_drm_gem *exynos_gem); /* create a new buffer with gem object */ struct exynos_drm_gem *exynos_drm_gem_create(struct drm_device *dev, unsigned int flags, - unsigned long size); + unsigned long size, + bool kvmap); /* * request gem object creation and buffer allocation as the size @@ -90,7 +81,7 @@ struct exynos_drm_gem *exynos_drm_gem_get(struct drm_file *filp, */ static inline void exynos_drm_gem_put(struct exynos_drm_gem *exynos_gem) { - drm_gem_object_put_unlocked(&exynos_gem->base); + drm_gem_object_put(&exynos_gem->base); } /* get buffer information to memory region allocated by gem. */ @@ -105,12 +96,6 @@ int exynos_drm_gem_dumb_create(struct drm_file *file_priv, struct drm_device *dev, struct drm_mode_create_dumb *args); -/* page fault handler and mmap fault address(virtual) to physical memory. */ -vm_fault_t exynos_drm_gem_fault(struct vm_fault *vmf); - -/* set vm_flags and we can change the vm attribute to other one at here. */ -int exynos_drm_gem_mmap(struct file *filp, struct vm_area_struct *vma); - /* low-level interface prime helpers */ struct drm_gem_object *exynos_drm_gem_prime_import(struct drm_device *dev, struct dma_buf *dma_buf); @@ -119,9 +104,5 @@ struct drm_gem_object * exynos_drm_gem_prime_import_sg_table(struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sgt); -void *exynos_drm_gem_prime_vmap(struct drm_gem_object *obj); -void exynos_drm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); -int exynos_drm_gem_prime_mmap(struct drm_gem_object *obj, - struct vm_area_struct *vma); #endif |