diff options
| author | Ben Skeggs <skeggsb@gmail.com> | 2008-03-12 23:37:29 +1100 |
|---|---|---|
| committer | Ben Skeggs <skeggsb@gmail.com> | 2008-03-13 00:23:52 +1100 |
| commit | 1766e1c07b03c6ccf545469663334be762c0bddf (patch) | |
| tree | e60ee35ad5f843a882a1f4b65700ab66eea76c60 /shared-core/nouveau_drm.h | |
| parent | 88bd1e4a350d011ec44f6786e0bfdf8fb386800c (diff) | |
nv50: force channel vram access through vm
If we ever want to be able to use the 3D engine we have no choice. It
appears that the tiling setup (required for 3D on G8x) is in the page tables.
The immediate benefit of this change however is that it's now not possible
for a client to use the GPU to render over the top of important engine setup
tables, which also live in VRAM.
G8x VRAM size is limited to 512MiB at the moment, as we use a 1-1 mapping
of real vram pages to their offset within the start of a channel's VRAM
DMA object and only populate a single PDE for VRAM use.
Diffstat (limited to 'shared-core/nouveau_drm.h')
| -rw-r--r-- | shared-core/nouveau_drm.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/shared-core/nouveau_drm.h b/shared-core/nouveau_drm.h index 5f07fcbc..cf762052 100644 --- a/shared-core/nouveau_drm.h +++ b/shared-core/nouveau_drm.h @@ -87,6 +87,10 @@ struct drm_nouveau_gpuobj_free { #define NOUVEAU_MEM_MAPPED 0x00000100 #define NOUVEAU_MEM_INSTANCE 0x00000200 /* internal */ #define NOUVEAU_MEM_NOTIFIER 0x00000400 /* internal */ +#define NOUVEAU_MEM_NOVM 0x00000800 /* internal */ +#define NOUVEAU_MEM_INTERNAL (NOUVEAU_MEM_INSTANCE | \ + NOUVEAU_MEM_NOTIFIER | \ + NOUVEAU_MEM_NOVM) struct drm_nouveau_mem_alloc { int flags; |