It's too expensive to move it around just for that pwrite, especially
when we're trashing on the mappable gtt part like crazy.
Signed-Off-by: Daniel Vetter <daniel.vetter at ffwll.ch>
---
drivers/gpu/drm/i915/i915_gem.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index e7f76f1..48bef0b 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -788,6 +788,7 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
if (obj->gtt_space &&
obj->cache_level == I915_CACHE_NONE &&
+ obj->map_and_fenceable &&
obj->base.write_domain != I915_GEM_DOMAIN_CPU) {
ret = i915_gem_gtt_pwrite_fast(dev, obj, args, file);
/* Note that the gtt paths might fail with non-page-backed user
--
1.7.7.5
