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-rw-r--r--lib/igt_gt.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/igt_gt.c b/lib/igt_gt.c
index d5e8b557..b3f3b380 100644
--- a/lib/igt_gt.c
+++ b/lib/igt_gt.c
@@ -557,6 +557,9 @@ bool gem_can_store_dword(int fd, unsigned int engine)
if (gen <= 2) /* requires physical addresses */
return false;
+ if (gen == 3 && (info->is_grantsdale || info->is_alviso))
+ return false; /* only supports physical addresses */
+
if (gen == 6 && (engine & ~(3<<13)) == I915_EXEC_BSD)
return false; /* kills the machine! */