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| author | Dave Airlie <airlied@redhat.com> | 2008-10-07 13:41:49 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@linux.ie> | 2008-10-18 07:10:53 +1000 |
| commit | e0f0754ff6128570dcf38032f5bfb1f195e5bbee (patch) | |
| tree | b0d51d92ff9fa01868cd7f00cae458adbcfd60d1 /drivers/gpu | |
| parent | e7d22bc3cb57126196c4f475d4e55aa44e151784 (diff) | |
| download | linux-e0f0754ff6128570dcf38032f5bfb1f195e5bbee.tar.gz linux-e0f0754ff6128570dcf38032f5bfb1f195e5bbee.tar.bz2 linux-e0f0754ff6128570dcf38032f5bfb1f195e5bbee.zip | |
drm: wbinvd is cache coherent.
doing an ipi for the wbinvd case isn't necessary.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/drm_cache.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/drivers/gpu/drm/drm_cache.c b/drivers/gpu/drm/drm_cache.c index 9475f7d9901d..0e994a0e46d4 100644 --- a/drivers/gpu/drm/drm_cache.c +++ b/drivers/gpu/drm/drm_cache.c @@ -47,12 +47,6 @@ drm_clflush_page(struct page *page) } #endif -static void -drm_clflush_ipi_handler(void *null) -{ - wbinvd(); -} - void drm_clflush_pages(struct page *pages[], unsigned long num_pages) { @@ -68,9 +62,8 @@ drm_clflush_pages(struct page *pages[], unsigned long num_pages) return; } -#endif - if (on_each_cpu(drm_clflush_ipi_handler, NULL, 1) != 0) - DRM_ERROR("Timed out waiting for cache flush.\n"); + wbinvd(); +#endif } EXPORT_SYMBOL(drm_clflush_pages); |