Release 4.17 drivers/gpu/drm/nouveau/nouveau_ttm.c
/*
* Copyright (c) 2007-2008 Tungsten Graphics, Inc., Cedar Park, TX., USA,
* All Rights Reserved.
* Copyright (c) 2009 VMware, Inc., Palo Alto, CA., USA,
* All Rights Reserved.
*
* 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, sub license,
* 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 (including the
* next paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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.
*/
#include "nouveau_drv.h"
#include "nouveau_gem.h"
#include "nouveau_mem.h"
#include "nouveau_ttm.h"
#include <drm/drm_legacy.h>
#include <core/tegra.h>
static int
nouveau_manager_init(struct ttm_mem_type_manager *man, unsigned long psize)
{
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 18 | 100.00% | 2 | 100.00% |
| Total | 18 | 100.00% | 2 | 100.00% |
static int
nouveau_manager_fini(struct ttm_mem_type_manager *man)
{
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 14 | 100.00% | 2 | 100.00% |
| Total | 14 | 100.00% | 2 | 100.00% |
static void
nouveau_manager_del(struct ttm_mem_type_manager *man, struct ttm_mem_reg *reg)
{
nouveau_mem_del(reg);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 21 | 100.00% | 3 | 100.00% |
| Total | 21 | 100.00% | 3 | 100.00% |
static void
nouveau_manager_debug(struct ttm_mem_type_manager *man,
struct drm_printer *printer)
{
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 15 | 100.00% | 3 | 100.00% |
| Total | 15 | 100.00% | 3 | 100.00% |
static int
nouveau_vram_manager_new(struct ttm_mem_type_manager *man,
struct ttm_buffer_object *bo,
const struct ttm_place *place,
struct ttm_mem_reg *reg)
{
struct nouveau_bo *nvbo = nouveau_bo(bo);
struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
struct nouveau_mem *mem;
int ret;
if (drm->client.device.info.ram_size == 0)
return -ENOMEM;
ret = nouveau_mem_new(&drm->master, nvbo->kind, nvbo->comp, reg);
mem = nouveau_mem(reg);
if (ret)
return ret;
ret = nouveau_mem_vram(reg, nvbo->contig, nvbo->page);
if (ret) {
nouveau_mem_del(reg);
if (ret == -ENOSPC) {
reg->mm_node = NULL;
return 0;
}
return ret;
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 141 | 88.68% | 8 | 72.73% |
| Alexandre Courbot | 14 | 8.81% | 1 | 9.09% |
| Christian König | 4 | 2.52% | 2 | 18.18% |
| Total | 159 | 100.00% | 11 | 100.00% |
const struct ttm_mem_type_manager_func nouveau_vram_manager = {
.init = nouveau_manager_init,
.takedown = nouveau_manager_fini,
.get_node = nouveau_vram_manager_new,
.put_node = nouveau_manager_del,
.debug = nouveau_manager_debug,
};
static int
nouveau_gart_manager_new(struct ttm_mem_type_manager *man,
struct ttm_buffer_object *bo,
const struct ttm_place *place,
struct ttm_mem_reg *reg)
{
struct nouveau_bo *nvbo = nouveau_bo(bo);
struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
struct nouveau_mem *mem;
int ret;
ret = nouveau_mem_new(&drm->master, nvbo->kind, nvbo->comp, reg);
mem = nouveau_mem(reg);
if (ret)
return ret;
reg->start = 0;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 92 | 92.00% | 6 | 66.67% |
| Alexandre Courbot | 4 | 4.00% | 1 | 11.11% |
| Christian König | 4 | 4.00% | 2 | 22.22% |
| Total | 100 | 100.00% | 9 | 100.00% |
const struct ttm_mem_type_manager_func nouveau_gart_manager = {
.init = nouveau_manager_init,
.takedown = nouveau_manager_fini,
.get_node = nouveau_gart_manager_new,
.put_node = nouveau_manager_del,
.debug = nouveau_manager_debug
};
static int
nv04_gart_manager_new(struct ttm_mem_type_manager *man,
struct ttm_buffer_object *bo,
const struct ttm_place *place,
struct ttm_mem_reg *reg)
{
struct nouveau_bo *nvbo = nouveau_bo(bo);
struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
struct nouveau_mem *mem;
int ret;
ret = nouveau_mem_new(&drm->master, nvbo->kind, nvbo->comp, reg);
mem = nouveau_mem(reg);
if (ret)
return ret;
ret = nvif_vmm_get(&mem->cli->vmm.vmm, PTES, false, 12, 0,
reg->num_pages << PAGE_SHIFT, &mem->vma[0]);
if (ret) {
nouveau_mem_del(reg);
if (ret == -ENOSPC) {
reg->mm_node = NULL;
return 0;
}
return ret;
}
reg->start = mem->vma[0].addr >> PAGE_SHIFT;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 173 | 97.74% | 7 | 77.78% |
| Christian König | 4 | 2.26% | 2 | 22.22% |
| Total | 177 | 100.00% | 9 | 100.00% |
const struct ttm_mem_type_manager_func nv04_gart_manager = {
.init = nouveau_manager_init,
.takedown = nouveau_manager_fini,
.get_node = nv04_gart_manager_new,
.put_node = nouveau_manager_del,
.debug = nouveau_manager_debug
};
int
nouveau_ttm_mmap(struct file *filp, struct vm_area_struct *vma)
{
struct drm_file *file_priv = filp->private_data;
struct nouveau_drm *drm = nouveau_drm(file_priv->minor->dev);
if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET))
return drm_legacy_mmap(filp, vma);
return ttm_bo_mmap(filp, vma, &drm->ttm.bdev);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 66 | 91.67% | 4 | 80.00% |
| Dave Airlie | 6 | 8.33% | 1 | 20.00% |
| Total | 72 | 100.00% | 5 | 100.00% |
static int
nouveau_ttm_mem_global_init(struct drm_global_reference *ref)
{
return ttm_mem_global_init(ref->object);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 18 | 94.74% | 1 | 50.00% |
| Dave Airlie | 1 | 5.26% | 1 | 50.00% |
| Total | 19 | 100.00% | 2 | 100.00% |
static void
nouveau_ttm_mem_global_release(struct drm_global_reference *ref)
{
ttm_mem_global_release(ref->object);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 17 | 94.44% | 1 | 50.00% |
| Dave Airlie | 1 | 5.56% | 1 | 50.00% |
| Total | 18 | 100.00% | 2 | 100.00% |
int
nouveau_ttm_global_init(struct nouveau_drm *drm)
{
struct drm_global_reference *global_ref;
int ret;
global_ref = &drm->ttm.mem_global_ref;
global_ref->global_type = DRM_GLOBAL_TTM_MEM;
global_ref->size = sizeof(struct ttm_mem_global);
global_ref->init = &nouveau_ttm_mem_global_init;
global_ref->release = &nouveau_ttm_mem_global_release;
ret = drm_global_item_ref(global_ref);
if (unlikely(ret != 0)) {
DRM_ERROR("Failed setting up TTM memory accounting\n");
drm->ttm.mem_global_ref.release = NULL;
return ret;
}
drm->ttm.bo_global_ref.mem_glob = global_ref->object;
global_ref = &drm->ttm.bo_global_ref.ref;
global_ref->global_type = DRM_GLOBAL_TTM_BO;
global_ref->size = sizeof(struct ttm_bo_global);
global_ref->init = &ttm_bo_global_init;
global_ref->release = &ttm_bo_global_release;
ret = drm_global_item_ref(global_ref);
if (unlikely(ret != 0)) {
DRM_ERROR("Failed setting up TTM BO subsystem\n");
drm_global_item_unref(&drm->ttm.mem_global_ref);
drm->ttm.mem_global_ref.release = NULL;
return ret;
}
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 189 | 96.92% | 2 | 66.67% |
| Dave Airlie | 6 | 3.08% | 1 | 33.33% |
| Total | 195 | 100.00% | 3 | 100.00% |
void
nouveau_ttm_global_release(struct nouveau_drm *drm)
{
if (drm->ttm.mem_global_ref.release == NULL)
return;
drm_global_item_unref(&drm->ttm.bo_global_ref.ref);
drm_global_item_unref(&drm->ttm.mem_global_ref);
drm->ttm.mem_global_ref.release = NULL;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 53 | 96.36% | 2 | 66.67% |
| Dave Airlie | 2 | 3.64% | 1 | 33.33% |
| Total | 55 | 100.00% | 3 | 100.00% |
static int
nouveau_ttm_init_host(struct nouveau_drm *drm, u8 kind)
{
struct nvif_mmu *mmu = &drm->client.mmu;
int typei;
typei = nvif_mmu_type(mmu, NVIF_MEM_HOST | NVIF_MEM_MAPPABLE |
kind | NVIF_MEM_COHERENT);
if (typei < 0)
return -ENOSYS;
drm->ttm.type_host[!!kind] = typei;
typei = nvif_mmu_type(mmu, NVIF_MEM_HOST | NVIF_MEM_MAPPABLE | kind);
if (typei < 0)
return -ENOSYS;
drm->ttm.type_ncoh[!!kind] = typei;
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 106 | 100.00% | 3 | 100.00% |
| Total | 106 | 100.00% | 3 | 100.00% |
int
nouveau_ttm_init(struct nouveau_drm *drm)
{
struct nvkm_device *device = nvxx_device(&drm->client.device);
struct nvkm_pci *pci = device->pci;
struct nvif_mmu *mmu = &drm->client.mmu;
struct drm_device *dev = drm->dev;
int typei, ret;
ret = nouveau_ttm_init_host(drm, 0);
if (ret)
return ret;
if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA &&
drm->client.device.info.chipset != 0x50) {
ret = nouveau_ttm_init_host(drm, NVIF_MEM_KIND);
if (ret)
return ret;
}
if (drm->client.device.info.platform != NV_DEVICE_INFO_V0_SOC &&
drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
typei = nvif_mmu_type(mmu, NVIF_MEM_VRAM | NVIF_MEM_MAPPABLE |
NVIF_MEM_KIND |
NVIF_MEM_COMP |
NVIF_MEM_DISP);
if (typei < 0)
return -ENOSYS;
drm->ttm.type_vram = typei;
} else {
drm->ttm.type_vram = -1;
}
if (pci && pci->agp.bridge) {
drm->agp.bridge = pci->agp.bridge;
drm->agp.base = pci->agp.base;
drm->agp.size = pci->agp.size;
drm->agp.cma = pci->agp.cma;
}
ret = nouveau_ttm_global_init(drm);
if (ret)
return ret;
ret = ttm_bo_device_init(&drm->ttm.bdev,
drm->ttm.bo_global_ref.ref.object,
&nouveau_bo_driver,
dev->anon_inode->i_mapping,
DRM_FILE_PAGE_OFFSET,
drm->client.mmu.dmabits <= 32 ? true : false);
if (ret) {
NV_ERROR(drm, "error initialising bo driver, %d\n", ret);
return ret;
}
/* VRAM init */
drm->gem.vram_available = drm->client.device.info.ram_user;
arch_io_reserve_memtype_wc(device->func->resource_addr(device, 1),
device->func->resource_size(device, 1));
ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_VRAM,
drm->gem.vram_available >> PAGE_SHIFT);
if (ret) {
NV_ERROR(drm, "VRAM mm init failed, %d\n", ret);
return ret;
}
drm->ttm.mtrr = arch_phys_wc_add(device->func->resource_addr(device, 1),
device->func->resource_size(device, 1));
/* GART init */
if (!drm->agp.bridge) {
drm->gem.gart_available = drm->client.vmm.vmm.limit;
} else {
drm->gem.gart_available = drm->agp.size;
}
ret = ttm_bo_init_mm(&drm->ttm.bdev, TTM_PL_TT,
drm->gem.gart_available >> PAGE_SHIFT);
if (ret) {
NV_ERROR(drm, "GART mm init failed, %d\n", ret);
return ret;
}
NV_INFO(drm, "VRAM: %d MiB\n", (u32)(drm->gem.vram_available >> 20));
NV_INFO(drm, "GART: %d MiB\n", (u32)(drm->gem.gart_available >> 20));
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 539 | 94.07% | 10 | 71.43% |
| Dave Airlie | 25 | 4.36% | 1 | 7.14% |
| David Herrmann | 6 | 1.05% | 1 | 7.14% |
| Alexandre Courbot | 2 | 0.35% | 1 | 7.14% |
| Andrew Lutomirski | 1 | 0.17% | 1 | 7.14% |
| Total | 573 | 100.00% | 14 | 100.00% |
void
nouveau_ttm_fini(struct nouveau_drm *drm)
{
struct nvkm_device *device = nvxx_device(&drm->client.device);
ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_VRAM);
ttm_bo_clean_mm(&drm->ttm.bdev, TTM_PL_TT);
ttm_bo_device_release(&drm->ttm.bdev);
nouveau_ttm_global_release(drm);
arch_phys_wc_del(drm->ttm.mtrr);
drm->ttm.mtrr = 0;
arch_io_free_memtype_wc(device->func->resource_addr(device, 1),
device->func->resource_size(device, 1));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 66 | 62.26% | 2 | 50.00% |
| Dave Airlie | 38 | 35.85% | 1 | 25.00% |
| Andrew Lutomirski | 2 | 1.89% | 1 | 25.00% |
| Total | 106 | 100.00% | 4 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ben Skeggs | 1595 | 90.47% | 25 | 65.79% |
| Dave Airlie | 81 | 4.59% | 3 | 7.89% |
| Kees Cook | 42 | 2.38% | 1 | 2.63% |
| Alexandre Courbot | 23 | 1.30% | 4 | 10.53% |
| Christian König | 12 | 0.68% | 2 | 5.26% |
| David Herrmann | 6 | 0.34% | 1 | 2.63% |
| Andrew Lutomirski | 3 | 0.17% | 1 | 2.63% |
| Masahiro Yamada | 1 | 0.06% | 1 | 2.63% |
| Total | 1763 | 100.00% | 38 | 100.00% |
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.