Dave Airlie | e9bf5f3 | 2012-06-27 09:26:01 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2011 Red Hat Inc. |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | * copy of this software and associated documentation files (the "Software"), |
| 6 | * to deal in the Software without restriction, including without limitation |
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
| 9 | * Software is furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice shall be included in |
| 12 | * all copies or substantial portions of the Software. |
| 13 | * |
| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 20 | * OTHER DEALINGS IN THE SOFTWARE. |
| 21 | * |
| 22 | * Authors: Dave Airlie |
| 23 | */ |
Dave Airlie | 22b33e8 | 2012-04-02 11:53:06 +0100 | [diff] [blame] | 24 | |
David Howells | 760285e | 2012-10-02 18:01:07 +0100 | [diff] [blame] | 25 | #include <drm/drmP.h> |
Dave Airlie | 22b33e8 | 2012-04-02 11:53:06 +0100 | [diff] [blame] | 26 | |
Ben Skeggs | 77145f1 | 2012-07-31 16:16:21 +1000 | [diff] [blame] | 27 | #include "nouveau_drm.h" |
| 28 | #include "nouveau_gem.h" |
Dave Airlie | 22b33e8 | 2012-04-02 11:53:06 +0100 | [diff] [blame] | 29 | |
Aaron Plattner | ab9ccb9 | 2013-01-15 20:47:43 +0000 | [diff] [blame] | 30 | struct sg_table *nouveau_gem_prime_get_sg_table(struct drm_gem_object *obj) |
Dave Airlie | 22b33e8 | 2012-04-02 11:53:06 +0100 | [diff] [blame] | 31 | { |
Aaron Plattner | ab9ccb9 | 2013-01-15 20:47:43 +0000 | [diff] [blame] | 32 | struct nouveau_bo *nvbo = nouveau_gem_object(obj); |
Dave Airlie | 22b33e8 | 2012-04-02 11:53:06 +0100 | [diff] [blame] | 33 | int npages = nvbo->bo.num_pages; |
Dave Airlie | 22b33e8 | 2012-04-02 11:53:06 +0100 | [diff] [blame] | 34 | |
Aaron Plattner | ab9ccb9 | 2013-01-15 20:47:43 +0000 | [diff] [blame] | 35 | return drm_prime_pages_to_sg(nvbo->bo.ttm->pages, npages); |
Dave Airlie | 22b33e8 | 2012-04-02 11:53:06 +0100 | [diff] [blame] | 36 | } |
| 37 | |
Aaron Plattner | ab9ccb9 | 2013-01-15 20:47:43 +0000 | [diff] [blame] | 38 | void *nouveau_gem_prime_vmap(struct drm_gem_object *obj) |
Dave Airlie | 22b33e8 | 2012-04-02 11:53:06 +0100 | [diff] [blame] | 39 | { |
Aaron Plattner | ab9ccb9 | 2013-01-15 20:47:43 +0000 | [diff] [blame] | 40 | struct nouveau_bo *nvbo = nouveau_gem_object(obj); |
Dave Airlie | 35916ac | 2012-05-31 13:52:17 +0100 | [diff] [blame] | 41 | int ret; |
| 42 | |
Dave Airlie | 35916ac | 2012-05-31 13:52:17 +0100 | [diff] [blame] | 43 | ret = ttm_bo_kmap(&nvbo->bo, 0, nvbo->bo.num_pages, |
| 44 | &nvbo->dma_buf_vmap); |
Aaron Plattner | ab9ccb9 | 2013-01-15 20:47:43 +0000 | [diff] [blame] | 45 | if (ret) |
Dave Airlie | 35916ac | 2012-05-31 13:52:17 +0100 | [diff] [blame] | 46 | return ERR_PTR(ret); |
Aaron Plattner | ab9ccb9 | 2013-01-15 20:47:43 +0000 | [diff] [blame] | 47 | |
Dave Airlie | 35916ac | 2012-05-31 13:52:17 +0100 | [diff] [blame] | 48 | return nvbo->dma_buf_vmap.virtual; |
| 49 | } |
| 50 | |
Aaron Plattner | ab9ccb9 | 2013-01-15 20:47:43 +0000 | [diff] [blame] | 51 | void nouveau_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr) |
Dave Airlie | 35916ac | 2012-05-31 13:52:17 +0100 | [diff] [blame] | 52 | { |
Aaron Plattner | ab9ccb9 | 2013-01-15 20:47:43 +0000 | [diff] [blame] | 53 | struct nouveau_bo *nvbo = nouveau_gem_object(obj); |
Dave Airlie | 35916ac | 2012-05-31 13:52:17 +0100 | [diff] [blame] | 54 | |
Aaron Plattner | ab9ccb9 | 2013-01-15 20:47:43 +0000 | [diff] [blame] | 55 | ttm_bo_kunmap(&nvbo->dma_buf_vmap); |
Dave Airlie | 35916ac | 2012-05-31 13:52:17 +0100 | [diff] [blame] | 56 | } |
| 57 | |
Aaron Plattner | ab9ccb9 | 2013-01-15 20:47:43 +0000 | [diff] [blame] | 58 | struct drm_gem_object *nouveau_gem_prime_import_sg_table(struct drm_device *dev, |
| 59 | size_t size, |
| 60 | struct sg_table *sg) |
Dave Airlie | 22b33e8 | 2012-04-02 11:53:06 +0100 | [diff] [blame] | 61 | { |
| 62 | struct nouveau_bo *nvbo; |
| 63 | u32 flags = 0; |
| 64 | int ret; |
| 65 | |
| 66 | flags = TTM_PL_FLAG_TT; |
| 67 | |
| 68 | ret = nouveau_bo_new(dev, size, 0, flags, 0, 0, |
Aaron Plattner | ab9ccb9 | 2013-01-15 20:47:43 +0000 | [diff] [blame] | 69 | sg, &nvbo); |
Dave Airlie | 22b33e8 | 2012-04-02 11:53:06 +0100 | [diff] [blame] | 70 | if (ret) |
Aaron Plattner | ab9ccb9 | 2013-01-15 20:47:43 +0000 | [diff] [blame] | 71 | return ERR_PTR(ret); |
Dave Airlie | 22b33e8 | 2012-04-02 11:53:06 +0100 | [diff] [blame] | 72 | |
Dave Airlie | 22b33e8 | 2012-04-02 11:53:06 +0100 | [diff] [blame] | 73 | nvbo->valid_domains = NOUVEAU_GEM_DOMAIN_GART; |
| 74 | nvbo->gem = drm_gem_object_alloc(dev, nvbo->bo.mem.size); |
| 75 | if (!nvbo->gem) { |
Aaron Plattner | ab9ccb9 | 2013-01-15 20:47:43 +0000 | [diff] [blame] | 76 | nouveau_bo_ref(NULL, &nvbo); |
| 77 | return ERR_PTR(-ENOMEM); |
Dave Airlie | 22b33e8 | 2012-04-02 11:53:06 +0100 | [diff] [blame] | 78 | } |
| 79 | |
| 80 | nvbo->gem->driver_private = nvbo; |
Aaron Plattner | ab9ccb9 | 2013-01-15 20:47:43 +0000 | [diff] [blame] | 81 | return nvbo->gem; |
Dave Airlie | 22b33e8 | 2012-04-02 11:53:06 +0100 | [diff] [blame] | 82 | } |
| 83 | |
Aaron Plattner | ab9ccb9 | 2013-01-15 20:47:43 +0000 | [diff] [blame] | 84 | int nouveau_gem_prime_pin(struct drm_gem_object *obj) |
Dave Airlie | 22b33e8 | 2012-04-02 11:53:06 +0100 | [diff] [blame] | 85 | { |
| 86 | struct nouveau_bo *nvbo = nouveau_gem_object(obj); |
| 87 | int ret = 0; |
| 88 | |
| 89 | /* pin buffer into GTT */ |
| 90 | ret = nouveau_bo_pin(nvbo, TTM_PL_FLAG_TT); |
| 91 | if (ret) |
Aaron Plattner | ab9ccb9 | 2013-01-15 20:47:43 +0000 | [diff] [blame] | 92 | return -EINVAL; |
Dave Airlie | 22b33e8 | 2012-04-02 11:53:06 +0100 | [diff] [blame] | 93 | |
Aaron Plattner | ab9ccb9 | 2013-01-15 20:47:43 +0000 | [diff] [blame] | 94 | return 0; |
Dave Airlie | 22b33e8 | 2012-04-02 11:53:06 +0100 | [diff] [blame] | 95 | } |