/* * 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_ringbuffer.h" #include "msm_gpu.h"
struct msm_ringbuffer *msm_ringbuffer_new(struct msm_gpu *gpu, int size) { struct msm_ringbuffer *ring; int ret; if (WARN_ON(!is_power_of_2(size))) return ERR_PTR(-EINVAL); ring = kzalloc(sizeof(*ring), GFP_KERNEL); if (!ring) { ret = -ENOMEM; goto fail; } ring->gpu = gpu; ring->bo = msm_gem_new(gpu->dev, size, MSM_BO_WC); if (IS_ERR(ring->bo)) { ret = PTR_ERR(ring->bo); ring->bo = NULL; goto fail; } ring->start = msm_gem_get_vaddr_locked(ring->bo); if (IS_ERR(ring->start)) { ret = PTR_ERR(ring->start); goto fail; } ring->end = ring->start + (size / 4); ring->cur = ring->start; ring->size = size; return ring; fail: if (ring) msm_ringbuffer_destroy(ring); return ERR_PTR(ret); }Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Rob Clark | 186 | 92.54% | 3 | 75.00% |
| Jordan Crouse | 15 | 7.46% | 1 | 25.00% |
| Total | 201 | 100.00% | 4 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Rob Clark | 37 | 100.00% | 3 | 100.00% |
| Total | 37 | 100.00% | 3 | 100.00% |
| Person | Tokens | Prop | Commits | CommitProp |
| Rob Clark | 230 | 93.88% | 4 | 80.00% |
| Jordan Crouse | 15 | 6.12% | 1 | 20.00% |
| Total | 245 | 100.00% | 5 | 100.00% |