diff options
| author | Maarten Maathuis <madman2003@gmail.com> | 2008-02-22 13:35:13 +0100 |
|---|---|---|
| committer | Maarten Maathuis <madman2003@gmail.com> | 2008-02-22 19:28:54 +0100 |
| commit | 7e5f9c8bd33c503fef9bea20b955a5a48e255621 (patch) | |
| tree | 12dfd34aa0e95581c8d104b24148e32b1aba7be9 /shared-core/nouveau_drm.h | |
| parent | b7086e6ae5632ad3c0f7c54ffd641519959d84a6 (diff) | |
nouveau: A single define of dma skips is more than enough.
Diffstat (limited to 'shared-core/nouveau_drm.h')
| -rw-r--r-- | shared-core/nouveau_drm.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/shared-core/nouveau_drm.h b/shared-core/nouveau_drm.h index 3bf40089..5f07fcbc 100644 --- a/shared-core/nouveau_drm.h +++ b/shared-core/nouveau_drm.h @@ -70,6 +70,12 @@ struct drm_nouveau_gpuobj_free { uint32_t handle; }; +/* This is needed to avoid a race condition. + * Otherwise you may be writing in the fetch area. + * Is this large enough, as it's only 32 bytes, and the maximum fetch size is 256 bytes? + */ +#define NOUVEAU_DMA_SKIPS 8 + #define NOUVEAU_MEM_FB 0x00000001 #define NOUVEAU_MEM_AGP 0x00000002 #define NOUVEAU_MEM_FB_ACCEPTABLE 0x00000004 |