diff options
| author | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2006-10-12 12:09:16 +0200 |
|---|---|---|
| committer | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2006-10-12 12:09:16 +0200 |
| commit | 10150df02b7062b9975661ccd82b475cd23c8839 (patch) | |
| tree | 26e4c7f9e56ab7fe56a32d7be96c82f4fef9ec16 /linux-core/drm_ttm.h | |
| parent | 30703893674b3da5b862dee2acd6efca13424398 (diff) | |
Simplify the AGP backend interface somewhat.
Fix buffer bound caching policy changing, Allow
on-the-fly changing of caching policy on bound buffers if the hardware
supports it.
Allow drivers to use driver-specific AGP memory types for TTM AGP pages.
Will make AGP drivers much easier to migrate.
Diffstat (limited to 'linux-core/drm_ttm.h')
| -rw-r--r-- | linux-core/drm_ttm.h | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/linux-core/drm_ttm.h b/linux-core/drm_ttm.h index 5421c52a..e5501d9c 100644 --- a/linux-core/drm_ttm.h +++ b/linux-core/drm_ttm.h @@ -44,16 +44,21 @@ * Most device drivers will let this point to the standard AGP implementation. */ +#define DRM_BE_FLAG_NEEDS_FREE 0x00000001 +#define DRM_BE_FLAG_BOUND_CACHED 0x00000002 +#define DRM_BE_FLAG_CBA 0x00000004 + typedef struct drm_ttm_backend { unsigned long aperture_base; void *private; - int needs_free; + uint32_t flags; uint32_t drm_map_type; - int (*needs_cache_adjust) (struct drm_ttm_backend * backend); + int (*needs_ub_cache_adjust) (struct drm_ttm_backend * backend); int (*populate) (struct drm_ttm_backend * backend, unsigned long num_pages, struct page ** pages); void (*clear) (struct drm_ttm_backend * backend); - int (*bind) (struct drm_ttm_backend * backend, unsigned long offset); + int (*bind) (struct drm_ttm_backend * backend, + unsigned long offset, int cached); int (*unbind) (struct drm_ttm_backend * backend); void (*destroy) (struct drm_ttm_backend * backend); } drm_ttm_backend_t; @@ -88,7 +93,7 @@ typedef struct drm_ttm_object { } drm_ttm_object_t; extern int drm_ttm_object_create(struct drm_device *dev, unsigned long size, - uint32_t flags, int cached, + uint32_t flags, drm_ttm_object_t ** ttm_object); extern void drm_ttm_object_deref_locked(struct drm_device *dev, drm_ttm_object_t * to); @@ -97,7 +102,7 @@ extern void drm_ttm_object_deref_unlocked(struct drm_device *dev, extern drm_ttm_object_t *drm_lookup_ttm_object(drm_file_t * priv, uint32_t handle, int check_owner); -extern int drm_bind_ttm(drm_ttm_t * ttm, +extern int drm_bind_ttm(drm_ttm_t * ttm, int cached, unsigned long aper_offset); extern int drm_unbind_ttm(drm_ttm_t * ttm); |