diff options
| author | Keith Packard <keithp@keithp.com> | 2008-05-25 20:44:19 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2008-05-25 20:44:19 -0700 |
| commit | 6d1d11704ab36e4ee50b2c1d3b984ab6bb691417 (patch) | |
| tree | d723c4f4259009cef3ecf3fb106b15947bf5bcbf /linux-core | |
| parent | c69b81df62cb7e04f956f2cf77091216754c3632 (diff) | |
[intel-gem] Compute npages instead of nbytes in flush_pwrite
i915_gem_flush_pwrite optimizes short writes to the buffer by clflushing
only the modified pages, but it was miscomputing the number of pages.
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/i915_gem.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/linux-core/i915_gem.c b/linux-core/i915_gem.c index c53a39ec..b5c87747 100644 --- a/linux-core/i915_gem.c +++ b/linux-core/i915_gem.c @@ -1523,7 +1523,7 @@ i915_gem_flush_pwrite(struct drm_gem_object *obj, if ((size < obj->size >> 1) && obj_priv->page_list != NULL) { unsigned long first_page = offset / PAGE_SIZE; - unsigned long beyond_page = roundup(offset + size, PAGE_SIZE); + unsigned long beyond_page = roundup(offset + size, PAGE_SIZE) / PAGE_SIZE; drm_ttm_cache_flush(obj_priv->page_list + first_page, beyond_page - first_page); |