diff options
| author | Alexandre Courbot <acourbot@nvidia.com> | 2014-06-27 19:28:50 +0900 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2014-08-10 05:11:10 +1000 |
| commit | e2a4e78cdccc4bb2d3729981313da237ad4ad43f (patch) | |
| tree | f31bc60fc691f6afc18542fafdd0a9eeeb2dad97 /drivers/gpu/drm/nouveau/core/include/subdev | |
| parent | 8ba9ff11632cb05d6f55555711d8425e32ee44b0 (diff) | |
| download | op-kernel-dev-e2a4e78cdccc4bb2d3729981313da237ad4ad43f.zip op-kernel-dev-e2a4e78cdccc4bb2d3729981313da237ad4ad43f.tar.gz | |
drm/nouveau/bar: add noncached ioremap property
Some BARs (like GK20A's) do not support being ioremapped write-combined.
Add a boolean property to the BAR structure and handle that case in the
Nouveau BO implementation.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/include/subdev')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/include/subdev/bar.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/include/subdev/bar.h b/drivers/gpu/drm/nouveau/core/include/subdev/bar.h index 9faa98e..9002cbb 100644 --- a/drivers/gpu/drm/nouveau/core/include/subdev/bar.h +++ b/drivers/gpu/drm/nouveau/core/include/subdev/bar.h @@ -20,6 +20,9 @@ struct nouveau_bar { u32 flags, struct nouveau_vma *); void (*unmap)(struct nouveau_bar *, struct nouveau_vma *); void (*flush)(struct nouveau_bar *); + + /* whether the BAR supports to be ioremapped WC or should be uncached */ + bool iomap_uncached; }; static inline struct nouveau_bar * |
