Release 4.7 drivers/gpu/drm/nouveau/nouveau_prime.c
/*
* Copyright 2011 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Dave Airlie
*/
#include <drm/drmP.h>
#include <linux/dma-buf.h>
#include "nouveau_drv.h"
#include "nouveau_gem.h"
struct sg_table *nouveau_gem_prime_get_sg_table(struct drm_gem_object *obj)
{
struct nouveau_bo *nvbo = nouveau_gem_object(obj);
int npages = nvbo->bo.num_pages;
return drm_prime_pages_to_sg(nvbo->bo.ttm->pages, npages);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| dave airlie | dave airlie | 37 | 82.22% | 2 | 66.67% |
| aaron plattner | aaron plattner | 8 | 17.78% | 1 | 33.33% |
| Total | 45 | 100.00% | 3 | 100.00% |
void *nouveau_gem_prime_vmap(struct drm_gem_object *obj)
{
struct nouveau_bo *nvbo = nouveau_gem_object(obj);
int ret;
ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.num_pages,
&nvbo->dma_buf_vmap);
if (ret)
return ERR_PTR(ret);
return nvbo->dma_buf_vmap.virtual;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| dave airlie | dave airlie | 58 | 90.62% | 1 | 50.00% |
| aaron plattner | aaron plattner | 6 | 9.38% | 1 | 50.00% |
| Total | 64 | 100.00% | 2 | 100.00% |
void nouveau_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr)
{
struct nouveau_bo *nvbo = nouveau_gem_object(obj);
ttm_bo_kunmap(&nvbo->dma_buf_vmap);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| dave airlie | dave airlie | 20 | 62.50% | 1 | 50.00% |
| aaron plattner | aaron plattner | 12 | 37.50% | 1 | 50.00% |
| Total | 32 | 100.00% | 2 | 100.00% |
struct drm_gem_object *nouveau_gem_prime_import_sg_table(struct drm_device *dev,
struct dma_buf_attachment *attach,
struct sg_table *sg)
{
struct nouveau_bo *nvbo;
struct reservation_object *robj = attach->dmabuf->resv;
u32 flags = 0;
int ret;
flags = TTM_PL_FLAG_TT;
ww_mutex_lock(&robj->lock, NULL);
ret = nouveau_bo_new(dev, attach->dmabuf->size, 0, flags, 0, 0,
sg, robj, &nvbo);
ww_mutex_unlock(&robj->lock);
if (ret)
return ERR_PTR(ret);
nvbo->valid_domains = NOUVEAU_GEM_DOMAIN_GART;
/* Initialize the embedded gem-object. We return a single gem-reference
* to the caller, instead of a normal nouveau_bo ttm reference. */
ret = drm_gem_object_init(dev, &nvbo->gem, nvbo->bo.mem.size);
if (ret) {
nouveau_bo_ref(NULL, &nvbo);
return ERR_PTR(-ENOMEM);
}
return &nvbo->gem;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| dave airlie | dave airlie | 94 | 58.75% | 1 | 20.00% |
| maarten lankhorst | maarten lankhorst | 39 | 24.38% | 2 | 40.00% |
| aaron plattner | aaron plattner | 17 | 10.62% | 1 | 20.00% |
| david herrmann | david herrmann | 10 | 6.25% | 1 | 20.00% |
| Total | 160 | 100.00% | 5 | 100.00% |
int nouveau_gem_prime_pin(struct drm_gem_object *obj)
{
struct nouveau_bo *nvbo = nouveau_gem_object(obj);
int ret;
/* pin buffer into GTT */
ret = nouveau_bo_pin(nvbo, TTM_PL_FLAG_TT, false);
if (ret)
return -EINVAL;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| dave airlie | dave airlie | 41 | 89.13% | 1 | 33.33% |
| aaron plattner | aaron plattner | 3 | 6.52% | 1 | 33.33% |
| ben skeggs | ben skeggs | 2 | 4.35% | 1 | 33.33% |
| Total | 46 | 100.00% | 3 | 100.00% |
void nouveau_gem_prime_unpin(struct drm_gem_object *obj)
{
struct nouveau_bo *nvbo = nouveau_gem_object(obj);
nouveau_bo_unpin(nvbo);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| maarten lankhorst | maarten lankhorst | 25 | 100.00% | 1 | 100.00% |
| Total | 25 | 100.00% | 1 | 100.00% |
struct reservation_object *nouveau_gem_prime_res_obj(struct drm_gem_object *obj)
{
struct nouveau_bo *nvbo = nouveau_gem_object(obj);
return nvbo->bo.resv;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| maarten lankhorst | maarten lankhorst | 29 | 100.00% | 1 | 100.00% |
| Total | 29 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| dave airlie | dave airlie | 257 | 62.08% | 4 | 28.57% |
| maarten lankhorst | maarten lankhorst | 96 | 23.19% | 4 | 28.57% |
| aaron plattner | aaron plattner | 46 | 11.11% | 1 | 7.14% |
| david herrmann | david herrmann | 10 | 2.42% | 1 | 7.14% |
| ben skeggs | ben skeggs | 4 | 0.97% | 3 | 21.43% |
| linus torvalds | linus torvalds | 1 | 0.24% | 1 | 7.14% |
| Total | 414 | 100.00% | 14 | 100.00% |
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