[Intel-gfx] [PATCH 12/16] drm/i915: use uncached writes in pwrite

[Daniel Vetter]

It's around 20% faster.

Signed-Off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
 drivers/gpu/drm/i915/i915_gem.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index ce53769..d413675 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -662,9 +662,9 @@ i915_gem_shmem_pwrite(struct drm_device *dev,
 			if (partial_cacheline_write)
 				drm_clflush_virt_range(vaddr + shmem_page_offset,
 						       page_length);
-			ret = __copy_from_user_inatomic(vaddr + shmem_page_offset,
-							user_data,
-							page_length);
+			ret = __copy_from_user_inatomic_nocache(vaddr + shmem_page_offset,
+								user_data,
+								page_length);
 			if (needs_clflush_after)
 				drm_clflush_virt_range(vaddr + shmem_page_offset,
 						       page_length);
-- 
1.7.7.6