diff options
| author | Ben Skeggs <bskeggs@redhat.com> | 2017-12-14 11:19:27 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2017-12-19 10:16:37 +1000 |
| commit | 74a39954a4900a7dea7010e3063e2bf16b23934b (patch) | |
| tree | f0f9dca38aec24eacabe89fa6cfb1b06d335627c /drivers/gpu/drm/nouveau/nouveau_drv.h | |
| parent | f29f18eb952bc3e71deedf8bd8fc902f66853c48 (diff) | |
drm/nouveau: use alternate memory type for system-memory buffers with kind != 0
Fixes bug on Tegra where we'd strip kind information from system memory
(ie. all) buffers, resulting in misrendering.
Behaviour on dGPU should be unchanged.
Reported-by: Thierry Reding <treding@nvidia.com>
Fixes: d7722134b8 ("drm/nouveau: switch over to new memory and vmm interfaces")
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Tested-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_drv.h')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_drv.h | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drv.h b/drivers/gpu/drm/nouveau/nouveau_drv.h index e86b8220a4bb..6a1b1debe5b8 100644 --- a/drivers/gpu/drm/nouveau/nouveau_drv.h +++ b/drivers/gpu/drm/nouveau/nouveau_drv.h @@ -156,8 +156,8 @@ struct nouveau_drm { struct nvif_object copy; int mtrr; int type_vram; - int type_host; - int type_ncoh; + int type_host[2]; + int type_ncoh[2]; } ttm; /* GEM interface support */ @@ -216,6 +216,13 @@ nouveau_drm(struct drm_device *dev) return dev->dev_private; } +static inline bool +nouveau_drm_use_coherent_gpu_mapping(struct nouveau_drm *drm) +{ + struct nvif_mmu *mmu = &drm->client.mmu; + return !(mmu->type[drm->ttm.type_host[0]].type & NVIF_MEM_UNCACHED); +} + int nouveau_pmops_suspend(struct device *); int nouveau_pmops_resume(struct device *); bool nouveau_pmops_runtime(void); |