[Intel-gfx] [PATCH 4/5] drm/i915: rewrite shmem_pwrite_slow to use copy_from_user
Daniel Vetter
daniel at ffwll.ch
Sat Sep 17 22:52:20 CEST 2011
On Sat, Sep 17, 2011 at 08:55:48PM +0200, Daniel Vetter wrote:
> out:
> - for (i = 0; i < pinned_pages; i++)
> - page_cache_release(user_pages[i]);
> - drm_free_large(user_pages);
> + mutex_lock(&dev->struct_mutex);
> + /* Fixup: Kill any reinstated backing storage pages */
> + if (obj->madv == __I915_MADV_PURGED)
> + i915_gem_object_truncate(obj);
> + /* and flush dirty cachelines in case the object isn't in the cpu write
> + * domain anymore. */
> + if (obj->base.write_domain != I915_GEM_DOMAIN_CPU)
> + i915_gem_clflush_object(obj);
Meh, just noticed that I'm missing an intel_gtt_chipset_flush() here ...
-Daniel
--
Daniel Vetter
Mail: daniel at ffwll.ch
Mobile: +41 (0)79 365 57 48
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