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authorDave Airlie <airlied@redhat.com>2017-11-02 12:40:41 +1000
committerDave Airlie <airlied@redhat.com>2017-11-02 12:40:41 +1000
commit7a88cbd8d65d622c00bd76ba4ae1d893b292c91c (patch)
tree826df7ac42ca13c33828d0142046186b91df686b /drivers/gpu/drm/i915/i915_gem.c
parent0a4334c9e5405f836c46375c6e279cfdda7da6b5 (diff)
parent0b07194bb55ed836c2cc7c22e866b87a14681984 (diff)
Backmerge tag 'v4.14-rc7' into drm-next
Linux 4.14-rc7 Requested by Ben Skeggs for nouveau to avoid major conflicts, and things were getting a bit conflicty already, esp around amdgpu reverts.
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 20fcac37c85a..49762bc21ed6 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2718,6 +2718,9 @@ i915_gem_object_pwrite_gtt(struct drm_i915_gem_object *obj,
if (READ_ONCE(obj->mm.pages))
return -ENODEV;
+ if (obj->mm.madv != I915_MADV_WILLNEED)
+ return -EFAULT;
+
/* Before the pages are instantiated the object is treated as being
* in the CPU domain. The pages will be clflushed as required before
* use, and we can freely write into the pages directly. If userspace