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[0217/1094] drm/i915: Reject NEEDS_GTT relocations with full ppgtt

Message ID 1413889294-31328-218-git-send-email-dheerajx.s.jamwal@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Dheeraj Jamwal Oct. 21, 2014, 10:46 a.m. UTC 
From: Daniel Vetter <daniel.vetter@ffwll.ch>

Doesn't make sense. Spotted while fixing an issue Chris
noticed in the same area.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---
 drivers/gpu/drm/i915/i915_gem_execbuffer.c |    6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 0cb940e..85a9918 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -128,6 +128,12 @@  eb_lookup_vmas(struct eb_vmas *eb,
 		struct i915_vma *vma;
 		struct i915_address_space *bind_vm = vm;
 
+		if (exec[i].flags & EXEC_OBJECT_NEEDS_GTT &&
+		    USES_FULL_PPGTT(vm->dev)) {
+			ret = -EINVAL;
+			goto err;
+		}
+
 		/* If we have secure dispatch, or the userspace assures us that
 		 * they know what they're doing, use the GGTT VM.
 		 */