diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2017-10-31 20:56:20 +0300 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2017-11-02 06:32:32 +0300 |
| commit | 658c71f4e7cabce658692a81732563e74de0c952 (patch) | |
| tree | f49c2daf73130456703be80917a7f9521c301be6 /drivers | |
| parent | 325a72827c2c000f6f3810a3e680fa1101d94456 (diff) | |
| download | linux-658c71f4e7cabce658692a81732563e74de0c952.tar.xz | |
drm/nouveau: fetch memory type indices that we care about for ttm
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_drv.h | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_ttm.c | 30 |
2 files changed, 32 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index ac5c66e60b2a..6d6795b5b3ef 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -140,6 +140,9 @@ struct nouveau_drm { struct nouveau_channel *chan; struct nvif_object copy; int mtrr; + int type_vram; + int type_host; + int type_ncoh; } ttm; /* GEM interface support */ diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.c b/drivers/gpu/drm/nouveau/nouveau_ttm.c index 3211f78da4dd..f64a55421a96 100644 --- a/drivers/gpu/drm/nouveau/nouveau_ttm.c +++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c @@ -252,8 +252,36 @@ 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 ret; + int typei, ret; + + typei = nvif_mmu_type(mmu, NVIF_MEM_HOST | NVIF_MEM_MAPPABLE | + NVIF_MEM_COHERENT); + if (typei < 0) + return -ENOSYS; + + drm->ttm.type_host = typei; + + typei = nvif_mmu_type(mmu, NVIF_MEM_HOST | NVIF_MEM_MAPPABLE); + if (typei < 0) + return -ENOSYS; + + drm->ttm.type_ncoh = typei; + + 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; |