diff options
| author | Jesse Barnes <jesse.barnes@intel.com> | 2007-11-01 15:27:55 -0700 |
|---|---|---|
| committer | Jesse Barnes <jesse.barnes@intel.com> | 2007-11-01 15:27:55 -0700 |
| commit | 629c8b0dbf975632473d848f60606baf309f2f3b (patch) | |
| tree | 9b85064c2673527cb7515af7e356bb47aaa4639f /linux-core/i915_buffer.c | |
| parent | 90d8f792794d46d1a8e998856bc7bbe54596114b (diff) | |
| parent | 5766d81074d6faa7f14b45635765cdb7209597fc (diff) | |
Merge branch 'master' into modesetting-101
Conflicts:
linux-core/Makefile.kernel
linux-core/drm_stub.c
linux-core/i915_drv.c
shared-core/i915_dma.c
shared-core/i915_drv.h
Fixup suspend/resume conflicts (basically use what's in DRM master for now).
Also fix up a few other conflicts that snuck in (i915_dma changes etc.).
Diffstat (limited to 'linux-core/i915_buffer.c')
| -rw-r--r-- | linux-core/i915_buffer.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/linux-core/i915_buffer.c b/linux-core/i915_buffer.c index 01fae64a..e73b4383 100644 --- a/linux-core/i915_buffer.c +++ b/linux-core/i915_buffer.c @@ -252,3 +252,36 @@ int i915_move(struct drm_buffer_object * bo, } return 0; } + +#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)) +static inline void clflush(volatile void *__p) +{ + asm volatile("clflush %0" : "+m" (*(char __force *)__p)); +} +#endif + +static inline void drm_cache_flush_addr(void *virt) +{ + int i; + + for (i = 0; i < PAGE_SIZE; i += boot_cpu_data.x86_clflush_size) + clflush(virt+i); +} + +static inline void drm_cache_flush_page(struct page *p) +{ + drm_cache_flush_addr(page_address(p)); +} + +void i915_flush_ttm(struct drm_ttm *ttm) +{ + int i; + + if (!ttm) + return; + + DRM_MEMORYBARRIER(); + for (i = ttm->num_pages-1; i >= 0; i--) + drm_cache_flush_page(drm_ttm_get_page(ttm, i)); + DRM_MEMORYBARRIER(); +} |