cregit-Linux how code gets into the kernel

Release 4.11 drivers/gpu/drm/msm/msm_gem_prime.c

/*
 * Copyright (C) 2013 Red Hat
 * Author: Rob Clark <robdclark@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include "msm_drv.h"
#include "msm_gem.h"

#include <linux/dma-buf.h>


struct sg_table *msm_gem_prime_get_sg_table(struct drm_gem_object *obj) { struct msm_gem_object *msm_obj = to_msm_bo(obj); int npages = obj->size >> PAGE_SHIFT; if (WARN_ON(!msm_obj->pages)) /* should have already pinned! */ return NULL; return drm_prime_pages_to_sg(msm_obj->pages, npages); }

Contributors

PersonTokensPropCommitsCommitProp
Rob Clark55100.00%2100.00%
Total55100.00%2100.00%


void *msm_gem_prime_vmap(struct drm_gem_object *obj) { return msm_gem_get_vaddr(obj); }

Contributors

PersonTokensPropCommitsCommitProp
Rob Clark17100.00%2100.00%
Total17100.00%2100.00%


void msm_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr) { msm_gem_put_vaddr(obj); }

Contributors

PersonTokensPropCommitsCommitProp
Rob Clark19100.00%2100.00%
Total19100.00%2100.00%


int msm_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *vma) { int ret; ret = drm_gem_mmap_obj(obj, obj->size, vma); if (ret < 0) return ret; return msm_gem_mmap_obj(vma->vm_private_data, vma); }

Contributors

PersonTokensPropCommitsCommitProp
Daniel R Thompson50100.00%1100.00%
Total50100.00%1100.00%


struct drm_gem_object *msm_gem_prime_import_sg_table(struct drm_device *dev, struct dma_buf_attachment *attach, struct sg_table *sg) { return msm_gem_import(dev, attach->dmabuf, sg); }

Contributors

PersonTokensPropCommitsCommitProp
Rob Clark2779.41%150.00%
Maarten Lankhorst720.59%150.00%
Total34100.00%2100.00%


int msm_gem_prime_pin(struct drm_gem_object *obj) { if (!obj->import_attach) msm_gem_get_pages(obj); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Rob Clark25100.00%1100.00%
Total25100.00%1100.00%


void msm_gem_prime_unpin(struct drm_gem_object *obj) { if (!obj->import_attach) msm_gem_put_pages(obj); }

Contributors

PersonTokensPropCommitsCommitProp
Rob Clark22100.00%1100.00%
Total22100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Rob Clark17274.14%360.00%
Daniel R Thompson5021.55%120.00%
Maarten Lankhorst104.31%120.00%
Total232100.00%5100.00%
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