diff options
| author | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2006-08-31 21:42:29 +0200 |
|---|---|---|
| committer | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2006-08-31 21:42:29 +0200 |
| commit | 44f6d08988a77a640bea40d09cb61eec7566a5ce (patch) | |
| tree | 0ce4e08474993190dd3065edb96b8976b04242df /linux-core/i915_buffer.c | |
| parent | 03c137c5f8d44c374406efe19c01105fcf34d583 (diff) | |
Validation and fencing.
Diffstat (limited to 'linux-core/i915_buffer.c')
| -rw-r--r-- | linux-core/i915_buffer.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/linux-core/i915_buffer.c b/linux-core/i915_buffer.c index bedbd41c..ecc6cf8d 100644 --- a/linux-core/i915_buffer.c +++ b/linux-core/i915_buffer.c @@ -30,6 +30,8 @@ */ #include "drmP.h" +#include "i915_drm.h" +#include "i915_drv.h" drm_ttm_backend_t *i915_create_ttm_backend_entry(drm_device_t *dev, int cached) { @@ -38,3 +40,25 @@ drm_ttm_backend_t *i915_create_ttm_backend_entry(drm_device_t *dev, int cached) else return drm_agp_init_ttm_uncached(dev); } + +int i915_fence_types(uint32_t buffer_flags, uint32_t *class, uint32_t *type) +{ + *class = 0; + if (buffer_flags & (DRM_BO_FLAG_READ | DRM_BO_FLAG_WRITE)) + *type = 1; + else + *type = 3; + return 0; +} + +int i915_invalidate_caches(drm_device_t *dev, uint32_t flags) +{ + uint32_t flush_cmd = MI_NO_WRITE_FLUSH; + + if (flags & DRM_BO_FLAG_READ) + flush_cmd |= MI_READ_FLUSH; + if (flags & DRM_BO_FLAG_EXE) + flush_cmd |= MI_EXE_FLUSH; + + return i915_emit_mi_flush(dev, flush_cmd); +} |